Update man pages

Checking against "trailers" is enough for now.

.clang-format

@@ -0,0 +1,57 @@
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
+AccessModifierOffset: -2
+ConstructorInitializerIndentWidth: 4
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AlwaysBreakTemplateDeclarations: false
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: false
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: true
+ColumnLimit:     80
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+DerivePointerAlignment: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+IndentWrappedFunctionNames: false
+IndentFunctionDeclarationAfterType: false
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: true
+NamespaceIndentation: None
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 120
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+SpacesBeforeTrailingComments: 1
+Cpp11BracedListStyle: true
+Standard:        Cpp11
+IndentWidth:     2
+TabWidth:        8
+UseTab:          Never
+BreakBeforeBraces: Attach
+SpacesInParentheses: false
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+CommentPragmas:  '^ IWYU pragma:'
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+SpaceBeforeParens: ControlStatements
+DisableFormat:   false
+...
+

.gitignore

@@ -21,6 +21,7 @@ install-sh
 .libs
 lib/includes/nghttp2/nghttp2ver.h
 lib/libnghttp2.pc
+src/libnghttp2_asio.pc
 ltmain.sh
 stamp-h1
 .deps/
@@ -40,3 +41,9 @@ doc/h2load-howto.rst
 doc/tutorial-hpack.rst
 doc/python-apiref.rst
 doc/building-android-binary.rst
+doc/asio_http2.h.rst
+doc/libnghttp2_asio.rst
+doc/contribute.rst
+python/setup.py
+python/dist
+python/MANIFEST

.travis.yml

@@ -3,8 +3,6 @@ compiler:
   - clang
 #Disable gcc build for the moment...
 #  - gcc
-python:
- - "3.4" 
 before_install:
   - $CC --version
   - sudo add-apt-repository --yes ppa:ubuntu-toolchain-r/test
@@ -23,6 +21,7 @@ before_install:
       libcunit1-dev
       libssl-dev
       libxml2-dev
+      libev-dev
       libevent-dev
       libjansson-dev
       libjemalloc-dev

Dockerfile.android

@@ -0,0 +1,103 @@
+# Dockerfile to build nghttp2 android binary
+#
+# $ sudo docker build -t nghttp2-android - < Dockerfile.android
+#
+# After successful build, android binaries are located under
+# /root/build/nghttp2.  You can copy the binary using docker cp.  For
+# example, to copy nghttpx binary to host file system location
+# /path/to/dest, do this:
+#
+# $ sudo docker run -v /path/to/dest:/out nghttp2-android cp /root/build/nghttp2/src/nghttpx /out
+
+FROM ubuntu
+
+MAINTAINER Tatsuhiro Tsujikawa
+
+ENV ANDROID_HOME /root/android
+ENV PREFIX $ANDROID_HOME/usr/local
+ENV TOOLCHAIN $ANDROID_HOME/toolchain
+ENV PATH $TOOLCHAIN/bin:$PATH
+
+# It would be better to use nearest ubuntu archive mirror for faster
+# downloads.
+# RUN sed -ie 's/archive\.ubuntu/jp.archive.ubuntu/g' /etc/apt/sources.list
+
+RUN apt-get update
+# genisoimage, libc6-i386 and lib32stdc++6 are required to decompress ndk.
+RUN apt-get install -y make binutils autoconf automake autotools-dev libtool \
+    pkg-config git curl dpkg-dev libxml2-dev \
+    genisoimage libc6-i386 lib32stdc++6
+
+WORKDIR /root/build
+RUN curl -L -O http://dl.google.com/android/ndk/android-ndk-r10c-linux-x86_64.bin
+RUN chmod a+x android-ndk-r10c-linux-x86_64.bin
+RUN ./android-ndk-r10c-linux-x86_64.bin
+
+WORKDIR /root/build/android-ndk-r10c
+RUN /bin/bash build/tools/make-standalone-toolchain.sh \
+    --install-dir=$ANDROID_HOME/toolchain \
+    --toolchain=arm-linux-androideabi-4.9 --llvm-version=3.5 \
+    --system=linux-x86_64
+
+WORKDIR /root/build
+RUN git clone https://github.com/tatsuhiro-t/spdylay
+WORKDIR /root/build/spdylay
+RUN autoreconf -i && \
+    ./configure \
+    --disable-shared \
+    --host=arm-linux-androideabi \
+    --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --prefix=$PREFIX \
+    --without-libxml2 \
+    --disable-src \
+    --disable-examples \
+    CPPFLAGS="-I$PREFIX/include" \
+    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
+    LDFLAGS="-L$PREFIX/lib" && \
+    make install
+
+WORKDIR /root/build
+RUN curl -L -O https://www.openssl.org/source/openssl-1.0.1j.tar.gz
+RUN tar xf openssl-1.0.1j.tar.gz
+WORKDIR /root/build/openssl-1.0.1j
+RUN export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi- && \
+    ./Configure --prefix=$PREFIX android && \
+    make && make install_sw
+
+WORKDIR /root/build
+RUN curl -L -O http://dist.schmorp.de/libev/libev-4.19.tar.gz
+RUN curl -L -O https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed/raw/80a8f003b5d1091eae497c5995bbaa68096e739b/libev-4.19-android.patch
+RUN tar xf libev-4.19.tar.gz
+WORKDIR /root/build/libev-4.19
+RUN patch -p1 < ../libev-4.19-android.patch
+RUN ./configure \
+    --host=arm-linux-androideabi \
+    --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --prefix=$PREFIX \
+    --disable-shared \
+    --enable-static \
+    CPPFLAGS=-I$PREFIX/include \
+    LDFLAGS=-L$PREFIX/lib && \
+    make install
+
+WORKDIR /root/build
+RUN git clone https://github.com/tatsuhiro-t/nghttp2
+WORKDIR /root/build/nghttp2
+RUN autoreconf -i && \
+    ./configure \
+    --disable-shared \
+    --host=arm-linux-androideabi \
+    --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --with-xml-prefix="$PREFIX" \
+    --without-libxml2 \
+    --disable-python-bindings \
+    --disable-examples \
+    --disable-threads \
+    LIBSPDYLAY_CFLAGS=-I$PREFIX/usr/local/include \
+    LIBSPDYLAY_LIBS="-L$PREFIX/usr/local/lib -lspdylay" \
+    CPPFLAGS="-I$PREFIX/include" \
+    CXXFLAGS="-fno-strict-aliasing" \
+    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
+    LDFLAGS="-L$PREFIX/lib" && \
+    make && \
+    arm-linux-androideabi-strip src/nghttpx src/nghttpd src/nghttp

Makefile.am

@@ -20,11 +20,24 @@
 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-SUBDIRS = lib third-party src examples python tests doc
+SUBDIRS = lib third-party src examples python tests integration-tests \
+	doc contrib
 
 ACLOCAL_AMFLAGS = -I m4
 
 dist_doc_DATA = README.rst
 
 EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
-	Makefile.msvc
+	Dockerfile.android
+
+.PHONY: clang-format
+
+# Format source files using clang-format.  Don't format source files
+# under third-party directory since we are not responsible for thier
+# coding style.
+clang-format:
+	CLANGFORMAT=`git config --get clangformat.binary`; \
+	test -z $${CLANGFORMAT} && CLANGFORMAT="clang-format"; \
+	$${CLANGFORMAT} -i lib/*.{c,h} lib/includes/nghttp2/*.h \
+	src/*.{c,cc,h} src/includes/nghttp2/*.h examples/*.{c,cc} \
+	tests/*.{c,h}

README.rst

@@ -4,12 +4,14 @@ nghttp2 - HTTP/2 C Library
 This is an implementation of Hypertext Transfer Protocol version 2
 in C.
 
-The framing layer of HTTP/2 is implemented as form of reusable C
+The framing layer of HTTP/2 is implemented as a form of reusable C
 library.  On top of that, we have implemented HTTP/2 client, server
-and proxy.  Also we have developed load test/benchmarking tool for
+and proxy.  We have also developed load test and benchmarking tool for
 HTTP/2 and SPDY.
 
-HPACK encoding and decoding are available as public API.
+HPACK encoder and decoder are available as public API.
+
+The experimental high level C++ library is also available.
 
 We have Python binding of this libary, but we have not covered
 everything yet.
@@ -20,9 +22,7 @@ Development Status
 We started to implement h2-14
 (http://tools.ietf.org/html/draft-ietf-httpbis-http2-14), the header
 compression
-(http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-09)
-and HTTP Alternative Services
-(http://tools.ietf.org/html/draft-ietf-httpbis-alt-svc-02).
+(http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-09).
 
 The nghttp2 code base was forked from spdylay project.
 
@@ -32,7 +32,6 @@ HTTP/2 Features             Support
 Core frames handling        Yes
 Dependency Tree             Yes
 Large header (CONTINUATION) Yes
-ALTSVC extension            Yes
 =========================== =======
 
 Public Test Server
@@ -45,15 +44,11 @@ implementation.
 
   NPN offer ``h2-14``, ``spdy/3.1`` and ``http/1.1``.
 
-  This endpoint requires TLSv1.2 and DHE or EDCHE with GCM cipher
-  suite for HTTP/2 connection.
+  This endpoint requires TLSv1.2 for HTTP/2 connection.
 
 * http://nghttp2.org/ (Upgrade / Direct)
 
-  ``h2c-14`` and ``http/1.1``.  We configured this server to send
-  ALTSVC frame or Alt-Svc header field to announce that alternative
-  service is available at port 443.
-
+  ``h2c-14`` and ``http/1.1``.
 
 Requirements
 ------------
@@ -76,7 +71,7 @@ To build and run the application programs (``nghttp``, ``nghttpd`` and
 required:
 
 * OpenSSL >= 1.0.1
-* libevent-openssl >= 2.0.8
+* libev >= 4.15
 * zlib >= 1.2.3
 
 ALPN support requires unreleased version OpenSSL >= 1.0.2.
@@ -95,11 +90,20 @@ The HPACK tools require the following package:
 
 * jansson >= 2.5
 
+To build sources under examples directory, libevent is required:
+
+* libevent-openssl >= 2.0.8
+
 To mitigate heap fragmentation in long running server programs
 (``nghttpd`` and ``nghttpx``), jemalloc is recommended:
 
 * jemalloc
 
+libnghttp2_asio C++ library requires the following packages:
+
+* libboost-dev >= 1.54.0
+* libboost-thread-dev >= 1.54.0
+
 The Python bindings require the following packages:
 
 * cython >= 0.19
@@ -108,6 +112,8 @@ The Python bindings require the following packages:
 If you are using Ubuntu 14.04 LTS, you need the following packages
 installed:
 
+* make
+* binutils
 * autoconf
 * automake
 * autotools-dev
@@ -117,6 +123,7 @@ installed:
 * libcunit1-dev
 * libssl-dev
 * libxml2-dev
+* libev-dev
 * libevent-dev
 * libjansson-dev
 * libjemalloc-dev
@@ -165,6 +172,34 @@ The generated documents will not be installed with ``make install``.
 The online documentation is available at
 https://nghttp2.org/documentation/
 
+Unit tests
+----------
+
+Unit tests are done by simply running `make check`.
+
+Integration tests
+-----------------
+
+We have the integration tests for nghttpx proxy server.  The tests are
+written in `Go programming language <http://golang.org/>`_ and uses
+its testing framework.  We depend on the following libraries:
+
+* https://github.com/bradfitz/http2
+* https://github.com/tatsuhiro-t/go-nghttp2
+* https://golang.org/x/net/spdy
+
+To download the above packages, after settings ``GOPATH``, run the
+following command under ``integration-tests`` directory::
+
+    $ make itprep
+
+To run the tests, run the following command under
+``integration-tests`` directory::
+
+    $ make it
+
+Inside the tests, we use port 3009 to run test subject server.
+
 Client, Server and Proxy programs
 ---------------------------------
 
@@ -275,8 +310,6 @@ The HTTP Upgrade is performed like this::
               (niv=2)
               [SETTINGS_MAX_CONCURRENT_STREAMS(3):100]
               [SETTINGS_INITIAL_WINDOW_SIZE(4):65535]
-    [  0.024] recv ALTSVC frame <length=43, flags=0x00, stream_id=0>
-              (max-age=86400, port=443, protocol_id=h2-14, host=nghttp2.org, origin=http://nghttp2.org)
     [  0.024] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
               ; ACK
               (niv=0)
@@ -429,7 +462,7 @@ SPDY proxy)::
     Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Proxy
                                            [secure proxy]          (e.g., Squid, ATS)
 
-The ``Client`` in the above is needs to be configured to use
+The ``Client`` in the above needs to be configured to use
 ``nghttpx`` as secure proxy.
 
 At the time of this writing, Chrome is the only browser which supports
@@ -961,6 +994,45 @@ associated value includes the state of dynamic header table after the
 corresponding header set was processed.  The format is the same as
 ``deflatehd``.
 
+libnghttp2_asio: High level HTTP/2 C++ library
+----------------------------------------------
+
+libnghttp2_asio is C++ library built on top of libnghttp2 and provides
+high level abstraction API to build HTTP/2 applications.  It depends
+on Boost::ASIO library and OpenSSL.  Currently libnghttp2_asio
+provides server side API.
+
+libnghttp2_asio is not built by default.  Use ``--enable-asio-lib``
+configure flag to build libnghttp2_asio.  The required Boost libraries
+are:
+
+* Boost::Asio
+* Boost::System
+* Boost::Thread
+
+Server API is designed to build HTTP/2 server very easily to utilize
+C++11 anonymous function and closure.  The bare minimum example of
+HTTP/2 server looks like this:
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      http2 server;
+
+      server.listen("*", 3000, [](const std::shared_ptr<request> &req,
+                                  const std::shared_ptr<response> &res) {
+        res->write_head(200);
+        res->end("hello, world");
+      });
+    }
+
+For more details, see the documentation of libnghttp2_asio.
+
 Python bindings
 ---------------
 
@@ -1098,3 +1170,7 @@ to hand over that patch/code to us.  We will credit you for your
 changes as far as possible, to give credit but also to keep a trace
 back to who made what changes.  Please always provide us with your
 full real name when contributing!
+
+See `Contribution Guidelines
+<https://nghttp2.org/documentation/contribute.html>`_ for more
+details.

android-config

@@ -39,9 +39,8 @@ PATH=$TOOLCHAIN/bin:$PATH
     --without-libxml2 \
     --disable-python-bindings \
     --disable-examples \
-    --disable-threads \
-    CC=arm-linux-androideabi-clang \
-    CXX=arm-linux-androideabi-clang++ \
+    CC=clang \
+    CXX=clang++ \
     CPPFLAGS="-I$PREFIX/include" \
     PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
     LDFLAGS="-L$PREFIX/lib"

configure.ac

@@ -1,6 +1,6 @@
 dnl nghttp2 - HTTP/2 C Library
 
-dnl Copyright (c) 2012, 2013 Tatsuhiro Tsujikawa
+dnl Copyright (c) 2012, 2013, 2014, 2015 Tatsuhiro Tsujikawa
 
 dnl Permission is hereby granted, free of charge, to any person obtaining
 dnl a copy of this software and associated documentation files (the
@@ -20,15 +20,19 @@ dnl NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 dnl LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 dnl OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 dnl WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+dnl Do not change user variables!
+dnl http://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html
+
 AC_PREREQ(2.61)
-AC_INIT([nghttp2], [0.6.1], [t-tujikawa@users.sourceforge.net])
+AC_INIT([nghttp2], [0.7.3], [t-tujikawa@users.sourceforge.net])
 LT_PREREQ([2.2.6])
 LT_INIT()
 dnl See versioning rule:
 dnl  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST(LT_CURRENT, 5)
+AC_SUBST(LT_CURRENT, 9)
 AC_SUBST(LT_REVISION, 0)
-AC_SUBST(LT_AGE, 0)
+AC_SUBST(LT_AGE, 4)
 
 major=`echo $PACKAGE_VERSION |cut -d. -f1 | sed -e "s/[^0-9]//g"`
 minor=`echo $PACKAGE_VERSION |cut -d. -f2 | sed -e "s/[^0-9]//g"`
@@ -45,6 +49,9 @@ AC_CANONICAL_TARGET
 AC_CONFIG_MACRO_DIR([m4])
 
 AM_INIT_AUTOMAKE([subdir-objects])
+# comment out for now since this requires automake 1.13 or higher and
+# travis has older one.
+# AM_EXTRA_RECURSIVE_TARGETS([it])
 
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
@@ -76,6 +83,11 @@ AC_ARG_ENABLE([hpack-tools],
                     [Build HPACK tools [default=check]])],
     [request_hpack_tools=$enableval], [request_hpack_tools=check])
 
+AC_ARG_ENABLE([asio-lib],
+    [AS_HELP_STRING([--enable-asio-lib],
+                    [Build C++ libnghttp2_asio library [default=no]])],
+    [request_asio_lib=$enableval], [request_asio_lib=no])
+
 AC_ARG_ENABLE([examples],
     [AS_HELP_STRING([--enable-examples],
                     [Build examples [default=check]])],
@@ -87,9 +99,9 @@ AC_ARG_ENABLE([python-bindings],
     [request_python_bindings=$enableval], [request_python_bindings=check])
 
 AC_ARG_ENABLE([failmalloc],
-    [AS_HELP_STRING([--enable-failmalloc],
-                    [Build failmalloc test program [default=no]])],
-    [request_failmalloc=$enableval], [request_failmalloc=no])
+    [AS_HELP_STRING([--disable-failmalloc],
+                    [Do not build failmalloc test program])],
+    [request_failmalloc=$enableval], [request_failmalloc=yes])
 
 AC_ARG_WITH([libxml2],
     [AS_HELP_STRING([--with-libxml2],
@@ -135,6 +147,20 @@ else
   AC_SUBST([CYTHON])
 fi
 
+#
+# If we're running GCC or clang define _U_ to be "__attribute__((unused))"
+# so we can use _U_ to flag unused function parameters and not get warnings
+# about them. Otherwise, define _U_ to be an empty string so that _U_ used
+# to flag an unused function parameters will compile with other compilers.
+#
+# XXX - similar hints for other compilers?
+#
+if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
+  AC_DEFINE([_U_], [__attribute__((unused))], [Hint to the compiler that a function parameters is not used])
+else
+  AC_DEFINE([_U_], , [Hint to the compiler that a function parameters is not used])
+fi
+
 AX_CXX_COMPILE_STDCXX_11([noext], [optional])
 
 AC_LANG_PUSH(C++)
@@ -174,46 +200,77 @@ std::vector<std::future<int>> v;
     [have_std_future=no
      AC_MSG_RESULT([no])])
 
+# Check that thread_local is available.
+AC_MSG_CHECKING([whether thread_local is available])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+]],
+[[
+thread_local int n;
+]])],
+    [AC_DEFINE([HAVE_THREAD_LOCAL], [1],
+               [Define to 1 if you have the `thread_local`.])
+     have_thread_local=yes
+     AC_MSG_RESULT([yes])],
+    [have_thread_local=no
+     AC_MSG_RESULT([no])])
+
+# Check that std::map::emplace is available for g++-4.7.
+AC_MSG_CHECKING([whether std::map::emplace is available])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+#include <map>
+]],
+[[
+std::map<int, int>().emplace(1, 2);
+]])],
+    [AC_DEFINE([HAVE_STD_MAP_EMPLACE], [1],
+               [Define to 1 if you have the `std::map::emplace`.])
+     have_std_map_emplace=yes
+     AC_MSG_RESULT([yes])],
+    [have_std_map_emplace=no
+     AC_MSG_RESULT([no])])
+
 AC_LANG_POP()
 
 # Checks for libraries.
 
 # Additional libraries required for tests.
-TESTS_LIBS=
+TESTLDADD=
 
 # Additional libraries required for programs under src directory.
-SRC_LIBS=
+APPLDFLAGS=
 
 LIBS_OLD=$LIBS
 # Search for dlsym function, which is used in tests. Linux needs -ldl,
 # but netbsd does not need it.
 AC_SEARCH_LIBS([dlsym], [dl])
-TESTS_LIBS="$LIBS $TESTS_LIBS"
+TESTLDADD="$LIBS $TESTLDADD"
 LIBS=$LIBS_OLD
 
 LIBS_OLD=$LIBS
 AC_SEARCH_LIBS([clock_gettime], [rt],
                [AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
                           [Define to 1 if you have the `clock_gettime`.])])
-SRC_LIBS="$LIBS $SRC_LIBS"
+APPLDFLAGS="$LIBS $APPLDFLAGS"
 LIBS=$LIBS_OLD
 
 case "$host" in
   *android*)
     android_build=yes
-    # android does not need -pthread, but needs followng 2 libs for C++
-    SRC_LIBS="$SRC_LIBS -lstdc++ -lsupc++"
+    # android does not need -pthread, but needs followng 3 libs for C++
+    APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
     ;;
   *)
     PTHREAD_LDFLAGS="-pthread"
-    SRC_LIBS="$SRC_LIBS $PTHREAD_LDFLAGS"
+    APPLDFLAGS="$APPLDFLAGS $PTHREAD_LDFLAGS"
     ;;
 esac
 
 # zlib
 if test "x$android_build" = "xyes"; then
   # Use zlib provided by NDK
-  SRC_LIBS="-lz $SRC_LIBS"
+  APPLDFLAGS="-lz $APPLDFLAGS"
   have_zlib=yes
 else
   PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3], [have_zlib=yes], [have_zlib=no])
@@ -252,6 +309,22 @@ fi
 
 AM_CONDITIONAL([HAVE_CUNIT], [ test "x${have_cunit}" = "xyes" ])
 
+# libev (for src)
+# libev does not have pkg-config file.  Check it in an old way.
+LIBS_OLD=$LIBS
+# android requires -lm for floor
+AC_CHECK_LIB([ev], [ev_time], [have_libev=yes], [have_libev=no], [-lm])
+if test "x${have_libev}" = "xyes"; then
+  AC_CHECK_HEADER([ev.h], [have_libev=yes], [have_libev=no])
+  if test "x${have_libev}" = "xyes"; then
+    LIBEV_LIBS=-lev
+    LIBEV_CFLAGS=
+    AC_SUBST([LIBEV_LIBS])
+    AC_SUBST([LIBEV_CFLAGS])
+  fi
+fi
+LIBS=$LIBS_OLD
+
 # openssl (for src)
 PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1],
                   [have_openssl=yes], [have_openssl=no])
@@ -259,7 +332,7 @@ if test "x${have_openssl}" = "xno"; then
   AC_MSG_NOTICE($OPENSSL_PKG_ERRORS)
 fi
 
-# libevent_openssl (for src)
+# libevent_openssl (for examples)
 # 2.0.8 is required because we use evconnlistener_set_error_cb()
 PKG_CHECK_MODULES([LIBEVENT_OPENSSL], [libevent_openssl >= 2.0.8],
                   [have_libevent_openssl=yes], [have_libevent_openssl=no])
@@ -267,10 +340,13 @@ if test "x${have_libevent_openssl}" = "xno"; then
   AC_MSG_NOTICE($LIBEVENT_OPENSSL_PKG_ERRORS)
 fi
 
-# jansson (for hdtest/deflatehd and hdtest/inflatehd)
+# jansson (for src/nghttp, src/deflatehd and src/inflatehd)
 PKG_CHECK_MODULES([JANSSON], [jansson >= 2.5],
                   [have_jansson=yes], [have_jansson=no])
-if test "x${have_jansson}" == "xno"; then
+if test "x${have_jansson}" == "xyes"; then
+  AC_DEFINE([HAVE_JANSSON], [1],
+            [Define to 1 if you have `libjansson` library.])
+else
   AC_MSG_NOTICE($JANSSON_PKG_ERRORS)
 fi
 
@@ -329,13 +405,32 @@ fi
 
 AM_CONDITIONAL([HAVE_SPDYLAY], [ test "x${have_spdylay}" = "xyes" ])
 
+# Check Boost Asio library
+have_asio_lib=no
+
+if test "x${request_asio_lib}" = "xyes"; then
+  AX_BOOST_BASE([1.54.0], [have_boost_base=yes], [have_boost_base=no])
+
+  if test "x${have_boost_base}" = "xyes"; then
+    AX_BOOST_ASIO()
+    AX_BOOST_SYSTEM()
+    AX_BOOST_THREAD()
+
+    if test "x${ax_cv_boost_asio}" = "xyes" &&
+       test "x${ax_cv_boost_system}" = "xyes" &&
+       test "x${ax_cv_boost_thread}" = "xyes"; then
+      have_asio_lib=yes
+    fi
+  fi
+fi
+
 # The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL
-# and libevent_openssl
+# and libev
 enable_app=no
 if test "x${request_app}" != "xno" &&
    test "x${have_zlib}" = "xyes" &&
    test "x${have_openssl}" = "xyes" &&
-   test "x${have_libevent_openssl}" = "xyes"; then
+   test "x${have_libev}" = "xyes"; then
   enable_app=yes
 fi
 
@@ -345,7 +440,6 @@ if test "x${request_app}" = "xyes" &&
 fi
 
 AM_CONDITIONAL([ENABLE_APP], [ test "x${enable_app}" = "xyes" ])
-AM_CONDITIONAL([ENABLE_H2LOAD], [ test "x${have_std_future}" = "xyes" ])
 
 enable_hpack_tools=no
 # HPACK tools requires jansson
@@ -361,6 +455,16 @@ fi
 
 AM_CONDITIONAL([ENABLE_HPACK_TOOLS], [ test "x${enable_hpack_tools}" = "xyes" ])
 
+# C++ library libnghttp2_asio
+
+enable_asio_lib=no
+if test "x${request_asio_lib}" != "xno" &&
+   test "x${have_asio_lib}" = "xyes"; then
+  enable_asio_lib=yes
+fi
+
+AM_CONDITIONAL([ENABLE_ASIO_LIB], [ test "x${enable_asio_lib}" = "xyes" ])
+
 # The example programs depend on OpenSSL and libevent_openssl
 enable_examples=no
 if test "x${request_examples}" != "xno" &&
@@ -398,6 +502,11 @@ AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS],
 AM_CONDITIONAL([HAVE_CYTHON], [test "x${CYTHON}" != "x"])
 
 # failmalloc tests
+enable_failmalloc=no
+if test "x${request_failmalloc}" = "xyes"; then
+  enable_failmalloc=yes
+fi
+
 AM_CONDITIONAL([ENABLE_FAILMALLOC], [ test "x${enable_failmalloc}" = "xyes" ])
 
 # Checks for header files.
@@ -432,17 +541,40 @@ AC_CHECK_TYPES([ptrdiff_t])
 AC_C_BIGENDIAN
 AC_SYS_LARGEFILE
 
+AC_CHECK_MEMBER([struct tm.tm_gmtoff], [have_struct_tm_tm_gmtoff=yes],
+                [have_struct_tm_tm_gmtoff=no], [[#include <time.h>]])
+
+if test "x$have_struct_tm_tm_gmtoff" = "xyes"; then
+  AC_DEFINE([HAVE_STRUCT_TM_TM_GMTOFF], [1],
+            [Define to 1 if you have `struct tm.tm_gmtoff` member.])
+fi
+
 # Checks for library functions.
 if test "x$cross_compiling" != "xyes"; then
   AC_FUNC_MALLOC
 fi
 AC_CHECK_FUNCS([ \
+  _Exit \
+  accept4 \
   getpwnam \
   memmove \
   memset \
   timegm \
 ])
 
+# timerfd_create was added in linux kernel 2.6.25
+
+AC_CHECK_FUNC([timerfd_create],
+              [have_timerfd_create=yes], [have_timerfd_create=no])
+
+
+# Checks for epoll availability, primarily for examples/tiny-nghttpd
+AX_HAVE_EPOLL([have_epoll=yes], [have_epoll=no])
+
+AM_CONDITIONAL([ENABLE_TINY_NGHTTPD],
+               [ test "x${have_epoll}" = "xyes" &&
+                 test "x${have_timerfd_create}" = "xyes"])
+
 dnl Windows library for winsock2
 case "${host}" in
   *mingw*)
@@ -450,6 +582,9 @@ case "${host}" in
     ;;
 esac
 
+ac_save_CFLAGS=$CFLAGS
+CFLAGS=
+
 if test "x$werror" != "xno"; then
     AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
     AX_CHECK_COMPILE_FLAG([-Wextra], [CFLAGS="$CFLAGS -Wextra"])
@@ -471,7 +606,6 @@ if test "x$werror" != "xno"; then
     AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"])
     AX_CHECK_COMPILE_FLAG([-Wclobbered], [CFLAGS="$CFLAGS -Wclobbered"])
     AX_CHECK_COMPILE_FLAG([-Wvla], [CFLAGS="$CFLAGS -Wvla"])
-    AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter], [CFLAGS="$CFLAGS -Wno-unused-parameter"])
     AX_CHECK_COMPILE_FLAG([-Wpragmas], [CFLAGS="$CFLAGS -Wpragmas"])
     AX_CHECK_COMPILE_FLAG([-Wunreachable-code], [CFLAGS="$CFLAGS -Wunreachable-code"])
     AX_CHECK_COMPILE_FLAG([-Waddress], [CFLAGS="$CFLAGS -Waddress"])
@@ -483,16 +617,27 @@ if test "x$werror" != "xno"; then
     AX_CHECK_COMPILE_FLAG([-Wheader-guard], [CFLAGS="$CFLAGS -Wheader-guard"])
 fi
 
+WARNCFLAGS=$CFLAGS
+CFLAGS=$ac_save_CFLAGS
+
+AC_SUBST([WARNCFLAGS])
+
 if test "x$debug" != "xno"; then
     AC_DEFINE([DEBUGBUILD], [1], [Define to 1 to enable debug output.])
 fi
 
-if test "x$threads" != "xyes"; then
+enable_threads=yes
+# Some platform does not have working std::future or thread_local.  We
+# disable threading for those platforms.
+if test "x$threads" != "xyes" ||
+   test "x$have_std_future" != "xyes" ||
+   test "x$have_thread_local" != "xyes"; then
+    enable_threads=no
     AC_DEFINE([NOTHREADS], [1], [Define to 1 if you want to disable threads.])
 fi
 
-AC_SUBST([TESTS_LIBS])
-AC_SUBST([SRC_LIBS])
+AC_SUBST([TESTLDADD])
+AC_SUBST([APPLDFLAGS])
 
 AC_CONFIG_FILES([
   Makefile
@@ -504,9 +649,14 @@ AC_CONFIG_FILES([
   tests/testdata/Makefile
   third-party/Makefile
   src/Makefile
+  src/includes/Makefile
+  src/libnghttp2_asio.pc
   examples/Makefile
   python/Makefile
   python/setup.py
+  integration-tests/Makefile
+  integration-tests/config.go
+  integration-tests/setenv
   doc/Makefile
   doc/conf.py
   doc/index.rst
@@ -516,10 +666,14 @@ AC_CONFIG_FILES([
   doc/tutorial-hpack.rst
   doc/nghttpx-howto.rst
   doc/h2load-howto.rst
+  doc/libnghttp2_asio.rst
   doc/python-apiref.rst
   doc/building-android-binary.rst
   doc/nghttp2.h.rst
   doc/nghttp2ver.h.rst
+  doc/asio_http2.h.rst
+  doc/contribute.rst
+  contrib/Makefile
 ])
 AC_OUTPUT
 
@@ -530,6 +684,7 @@ AC_MSG_NOTICE([summary of build options:
     Install prefix: ${prefix}
     C compiler:     ${CC}
     CFLAGS:         ${CFLAGS}
+    WARNCFLAGS:     ${WARNCFLAGS}
     LDFLAGS:        ${LDFLAGS}
     LIBS:           ${LIBS}
     CPPFLAGS:       ${CPPFLAGS}
@@ -538,6 +693,7 @@ AC_MSG_NOTICE([summary of build options:
     CXXFLAGS:       ${CXXFLAGS}
     CXXCPP:         ${CXXCPP}
     Library types:  Shared=${enable_shared}, Static=${enable_static}
+    Python:
       Python:         ${PYTHON}
       PYTHON_VERSION: ${PYTHON_VERSION}
       pyexecdir:      ${pyexecdir}
@@ -545,16 +701,27 @@ AC_MSG_NOTICE([summary of build options:
       PYTHON_CPPFLAGS:${PYTHON_CPPFLAGS}
       PYTHON_LDFLAGS: ${PYTHON_LDFLAGS}
       Cython:         ${CYTHON}
+    Test:
       CUnit:          ${have_cunit}
+      Failmalloc:     ${enable_failmalloc}
+    Libs:
       OpenSSL:        ${have_openssl}
       Libxml2:        ${have_libxml2}
+      Libev:          ${have_libev}
       Libevent(SSL):  ${have_libevent_openssl}
       Spdylay:        ${have_spdylay}
       Jansson:        ${have_jansson}
       Jemalloc:       ${have_jemalloc}
+      Boost CPPFLAGS: ${BOOST_CPPFLAGS}
+      Boost LDFLAGS:  ${BOOST_LDFLAGS}
+      Boost::ASIO:    ${BOOST_ASIO_LIB}
+      Boost::System:  ${BOOST_SYSTEM_LIB}
+      Boost::Thread:  ${BOOST_THREAD_LIB}
+    Features:
       Applications:   ${enable_app}
       HPACK tools:    ${enable_hpack_tools}
+      Libnghttp2_asio:${enable_asio_lib}
       Examples:       ${enable_examples}
       Python bindings:${enable_python_bindings}
-    Failmalloc:     ${request_failmalloc}
+      Threading:      ${enable_threads}
 ])

contrib/.gitignore

@@ -0,0 +1 @@
+nghttpx-init

contrib/Makefile.am

@@ -0,0 +1,39 @@
+# nghttp2 - HTTP/2 C Library
+
+# Copyright (c) 2014 Tatsuhiro Tsujikawa
+
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+EXTRA_DIST = nghttpx-init.in nghttpx-logrotate
+
+edit = sed -e 's|@bindir[@]|$(bindir)|g'
+
+nghttpx-init: Makefile
+	rm -f $@ $@.tmp
+	$(edit) $(srcdir)/$@.in > $@.tmp
+	chmod +x $@.tmp
+	mv $@.tmp $@
+
+nghttpx-init: $(srcdir)/nghttpx-init.in
+
+all-local: nghttpx-init
+
+clean-local:
+	-rm -f nghttpx-init nghttpx-init.tmp

contrib/nghttpx-init.in

@@ -0,0 +1,173 @@
+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          nghttpx
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: nghttpx initscript
+# Description:       nghttpx initscript
+### END INIT INFO
+
+# Author: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
+#
+# Do NOT "set -e"
+
+# PATH should only include /usr/* if it runs after the mountnfs.sh script
+PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin
+DESC="HTTP/2 reverse proxy"
+NAME=nghttpx
+# Depending on the configuration, binary may be located under @sbindir@
+DAEMON=@bindir@/$NAME
+PIDFILE=/var/run/$NAME.pid
+DAEMON_ARGS="--conf /etc/nghttpx/nghttpx.conf --pid-file=$PIDFILE"
+SCRIPTNAME=/etc/init.d/$NAME
+
+# Exit if the package is not installed
+[ -x "$DAEMON" ] || exit 0
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+# Define LSB log_* functions.
+# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
+# and status_of_proc is working.
+. /lib/lsb/init-functions
+
+#
+# Function that starts the daemon/service
+#
+do_start()
+{
+	# Return
+	#   0 if daemon has been started
+	#   1 if daemon was already running
+	#   2 if daemon could not be started
+	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
+		|| return 1
+	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
+		$DAEMON_ARGS \
+		|| return 2
+	# Add code here, if necessary, that waits for the process to be ready
+	# to handle requests from services started subsequently which depend
+	# on this one.  As a last resort, sleep for some time.
+}
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+	# Return
+	#   0 if daemon has been stopped
+	#   1 if daemon was already stopped
+	#   2 if daemon could not be stopped
+	#   other if a failure occurred
+	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
+	RETVAL="$?"
+	[ "$RETVAL" = 2 ] && return 2
+
+	# Wait for children to finish too if this is a daemon that forks
+	# and if the daemon is only ever run from this initscript.
+	# If the above conditions are not satisfied then add some other code
+	# that waits for the process to drop all resources that could be
+	# needed by services started subsequently.  A last resort is to
+	# sleep for some time.
+	#start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
+	#[ "$?" = 2 ] && return 2
+	# Many daemons don't delete their pidfiles when they exit.
+	rm -f $PIDFILE
+	return "$RETVAL"
+}
+
+#
+# Function that sends a SIGHUP to the daemon/service
+#
+do_reload() {
+	#
+	# If the daemon can reload its configuration without
+	# restarting (for example, when it is sent a SIGHUP),
+	# then implement that here.
+	#
+	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
+	return 0
+}
+
+case "$1" in
+  start)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
+	do_start
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  stop)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
+	do_stop
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  status)
+       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
+       ;;
+  upgrade)
+        log_daemon_msg "Upgrade $DESC" "$NAME"
+        pid=`pidofproc -p $PIDFILE $NAME`
+        case "$?" in
+                0) echo "Sending USR2 signal to $pid"
+                   kill -USR2 $pid
+                   echo "Waiting for new binary..."
+                   sleep 5
+                   echo "Sending QUIT signal to $pid"
+                   kill -QUIT $pid
+                   log_end_msg 0
+                   ;;
+                *) echo "pidofproc() failed"
+                   log_end_msg 1
+                   ;;
+        esac
+        ;;
+  #reload|force-reload)
+	#
+	# If do_reload() is not implemented then leave this commented out
+	# and leave 'force-reload' as an alias for 'restart'.
+	#
+	#log_daemon_msg "Reloading $DESC" "$NAME"
+	#do_reload
+	#log_end_msg $?
+	#;;
+  restart|force-reload)
+	#
+	# If the "reload" option is implemented then remove the
+	# 'force-reload' alias
+	#
+	log_daemon_msg "Restarting $DESC" "$NAME"
+	do_stop
+	case "$?" in
+	  0|1)
+		do_start
+		case "$?" in
+			0) log_end_msg 0 ;;
+			1) log_end_msg 1 ;; # Old process is still running
+			*) log_end_msg 1 ;; # Failed to start
+		esac
+		;;
+	  *)
+	  	# Failed to stop
+		log_end_msg 1
+		;;
+	esac
+	;;
+  *)
+	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload|upgrade}" >&2
+	exit 3
+	;;
+esac
+
+:

contrib/nghttpx-logrotate

@@ -0,0 +1,18 @@
+/var/log/nghttpx/*.log {
+        weekly
+        missingok
+        rotate 52
+        compress
+        delaycompress
+        notifempty
+        create 0640 www-data adm
+        sharedscripts
+        prerotate
+                if [ -d /etc/logrotate.d/httpd-prerotate ]; then \
+                        run-parts /etc/logrotate.d/httpd-prerotate; \
+                fi \
+        endscript
+        postrotate
+                [ -s /run/nghttpx.pid ] && kill -USR1 `cat /run/nghttpx.pid`
+        endscript
+}

doc/Makefile.am

@@ -37,8 +37,10 @@ EXTRA_DIST = \
 	sources/tutorial-hpack.rst \
 	sources/nghttpx-howto.rst \
 	sources/h2load-howto.rst \
+	sources/libnghttp2_asio.rst \
 	sources/python-apiref.rst \
 	sources/building-android-binary.rst \
+	sources/contribute.rst \
 	_themes/sphinx_rtd_theme/footer.html \
 	_themes/sphinx_rtd_theme/theme.conf \
 	_themes/sphinx_rtd_theme/layout_old.html \
@@ -174,7 +176,7 @@ text:
 	@echo
 	@echo "Build finished. The text files are in $(BUILDDIR)/text."
 
-man:
+man: apiref.rst
 	$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
 	@echo
 	@echo "Build finished. The manual pages are in $(BUILDDIR)/man."

doc/_themes/sphinx_rtd_theme/footer.html

@@ -28,5 +28,6 @@
     </p>
   </div>
 
-  {% trans %}<a href="https://github.com/snide/sphinx_rtd_theme">Sphinx theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>{% endtrans %}
+  {% trans %}Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>{% endtrans %}.
+  
 </footer>

doc/_themes/sphinx_rtd_theme/layout.html

@@ -23,7 +23,7 @@
   {% endif %}
 
   {# CSS #}
-  <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700' rel='stylesheet' type='text/css'>
+  <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'>
 
   {# OPENSEARCH #}
   {% if not embedded %}
@@ -89,6 +89,7 @@
       </div>
 
       <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
+        {% block menu %}
           {% set toctree = toctree(maxdepth=2, collapse=False, includehidden=True) %}
           {% if toctree %}
               {{ toctree }}
@@ -96,6 +97,7 @@
               <!-- Local TOC -->
               <div class="local-toc">{{ toc }}</div>
           {% endif %}
+        {% endblock %}
       </div>
       &nbsp;
     </nav>

doc/_themes/sphinx_rtd_theme/searchbox.html

@@ -1,7 +1,9 @@
+{%- if builder != 'singlehtml' %}
 <div role="search">
-  <form id ="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
+  <form id="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
     <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
+{%- endif %}

doc/apiref-header.rst

@@ -26,6 +26,8 @@ do not send client connection preface
 responsible to send it before sending any HTTP/2 frames using these
 functions if :type:`nghttp2_session` is configured as client.
 Similarly, `nghttp2_session_recv()` and `nghttp2_session_mem_recv()`
-do not consume client connection preface.  The applications are
-responsible to receive it before calling these functions if
-:type:`nghttp2_session` is configured as server.
+do not consume client connection preface unless
+`nghttp2_option_set_recv_client_preface()` is used with nonzero option
+value.  The applications are responsible to receive it before calling
+these functions if :type:`nghttp2_session` is configured as server and
+`nghttp2_option_set_recv_client_preface()` is not used.

doc/asio_http2.h.rst.in

@@ -0,0 +1,5 @@
+asio_http2.h
+============
+
+.. literalinclude:: @top_srcdir@/src/includes/nghttp2/asio_http2.h
+   :language: cpp

doc/conf.py.in

@@ -64,7 +64,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'nghttp2'
-copyright = u'2012, 2014, Tatsuhiro Tsujikawa'
+copyright = u'2012, 2015, Tatsuhiro Tsujikawa'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -155,7 +155,7 @@ html_theme_path = ['@top_srcdir@/doc/_themes']
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
-#html_use_smartypants = True
+html_use_smartypants = False
 
 # Custom sidebar templates, maps document names to template names.
 html_sidebars = {
@@ -242,6 +242,12 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('index', 'nghttp2', u'nghttp2 Documentation',
+    ('nghttp.1', 'nghttp', u'HTTP/2 experimental client',
+     [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpd.1', 'nghttpd', u'HTTP/2 experimental server',
+     [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpx.1', 'nghttpx', u'HTTP/2 experimental proxy',
+     [u'Tatsuhiro Tsujikawa'], 1),
+    ('h2load.1', 'h2load', u'HTTP/2 benchmarking tool',
      [u'Tatsuhiro Tsujikawa'], 1)
 ]

doc/contribute.rst.in

@@ -0,0 +1 @@
+.. include:: @top_srcdir@/doc/sources/contribute.rst

doc/h2load.1

@@ -1,61 +1,142 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.1.
-.TH H2LOAD "1" "September 2014" "h2load nghttp2/0.6.1" "User Commands"
+.\" Man page generated from reStructuredText.
+.
+.TH "H2LOAD" "1" "January 25, 2015" "0.7.3" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
+.
+.nr rst2man-indent-level 0
+.
+.de1 rstReportMargin
+\\$1 \\n[an-margin]
+level \\n[rst2man-indent-level]
+level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
+-
+\\n[rst2man-indent0]
+\\n[rst2man-indent1]
+\\n[rst2man-indent2]
+..
+.de1 INDENT
+.\" .rstReportMargin pre:
+. RS \\$1
+. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
+. nr rst2man-indent-level +1
+.\" .rstReportMargin post:
+..
+.de UNINDENT
+. RE
+.\" indent \\n[an-margin]
+.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
+.nr rst2man-indent-level -1
+.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
+.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
+..
 .SH SYNOPSIS
-.B h2load
-[\fI\,OPTIONS\/\fR]... \fI\,<URI>\/\fR...
+.sp
+\fBh2load\fP [OPTIONS]... [URI]...
 .SH DESCRIPTION
+.sp
 benchmarking tool for HTTP/2 and SPDY server
+.INDENT 0.0
 .TP
-<URI>
-Specify  URI to  access.   Multiple  URIs can  be
-specified.  URIs are used  in this order for each
-client.   All URIs  are used,  then first  URI is
-used and  then 2nd URI,  and so on.   The scheme,
-host and port in the subsequent URIs, if present,
-are  ignored.  Those  in the  first URI  are used
-solely.
-.SH OPTIONS
-.HP
-\fB\-n\fR, \fB\-\-requests=\fR<N> Number of requests. Default: 1
+.B <URI>
+Specify URI to access.   Multiple URIs can be specified.
+URIs are used  in this order for each  client.  All URIs
+are used, then  first URI is used and then  2nd URI, and
+so  on.  The  scheme, host  and port  in the  subsequent
+URIs, if present,  are ignored.  Those in  the first URI
+are used solely.
+.UNINDENT
+.SH OPTIONS:
+.INDENT 0.0
 .TP
-\fB\-c\fR, \fB\-\-clients=\fR<N>
-Number of concurrent clients. Default: 1
+.B \-n, \-\-requests=<N>
+Number of requests.
+.sp
+Default: \fB1\fP
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-t\fR, \fB\-\-threads=\fR<N>
-Number of native threads. Default: 1
+.B \-c, \-\-clients=<N>
+Number of concurrent clients.
+.sp
+Default: \fB1\fP
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-m\fR, \fB\-\-max\-concurrent\-streams=\fR(auto|<N>)
-Max concurrent streams to  issue per session.  If
-"auto"  is given,  the  number of  given URIs  is
-used.  Default: auto
+.B \-t, \-\-threads=<N>
+Number of native threads.
+.sp
+Default: \fB1\fP
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-w\fR, \fB\-\-window\-bits=\fR<N>
-Sets  the stream  level  initial  window size  to
-(2**<N>)\-1.  For SPDY, 2**<N> is used instead.
+.B \-i, \-\-input\-file=<FILE>
+Path of a file with multiple URIs are seperated by EOLs.
+This option will disable URIs getting from command\-line.
+If \(aq\-\(aq is given as <FILE>, URIs will be read from stdin.
+URIs are used  in this order for each  client.  All URIs
+are used, then  first URI is used and then  2nd URI, and
+so  on.  The  scheme, host  and port  in the  subsequent
+URIs, if present,  are ignored.  Those in  the first URI
+are used solely.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-W\fR, \fB\-\-connection\-window\-bits=\fR<N>
+.B \-m, \-\-max\-concurrent\-streams=(auto|<N>)
+Max concurrent streams to  issue per session.  If "auto"
+is given, the number of given URIs is used.
+.sp
+Default: \fBauto\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-w, \-\-window\-bits=<N>
+Sets the stream level initial window size to (2**<N>)\-1.
+For SPDY, 2**<N> is used instead.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-W, \-\-connection\-window\-bits=<N>
 Sets  the  connection  level   initial  window  size  to
-(2**<N>)\-1.  For  SPDY, if  <N> is  strictly less
-than  16,  this  option  is  ignored.   Otherwise
-2**<N> is used for SPDY.
+(2**<N>)\-1.  For SPDY, if <N>  is strictly less than 16,
+this option  is ignored.   Otherwise 2**<N> is  used for
+SPDY.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-p\fR, \fB\-\-no\-tls\-proto=\fR<PROTOID>
-Specify  ALPN identifier  of the  protocol to  be
-used  when accessing  http  URI without  SSL/TLS.
-Available protocols: spdy/2, spdy/3, spdy/3.1 and
-h2c\-14
-Default: h2c\-14
+.B \-H, \-\-header=<HEADER>
+Add/Override a header to the requests.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-v\fR, \fB\-\-verbose\fR
+.B \-p, \-\-no\-tls\-proto=<PROTOID>
+Specify ALPN identifier of the  protocol to be used when
+accessing http URI without SSL/TLS.
+Available protocols: spdy/2, spdy/3, spdy/3.1 and h2c\-14
+.sp
+Default: \fBh2c\-14\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-v, \-\-verbose
 Output debug information.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-version\fR
+.B \-\-version
 Display version information and exit.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-h\fR, \fB\-\-help\fR
+.B \-h, \-\-help
 Display this help and exit.
-.SH "SEE ALSO"
-
-nghttp(1), nghttpd(1), nghttpx(1)
+.UNINDENT
+.SH SEE ALSO
+.sp
+\fInghttp(1)\fP, \fInghttpd(1)\fP, \fInghttpx(1)\fP
+.SH AUTHOR
+Tatsuhiro Tsujikawa
+.SH COPYRIGHT
+2012, 2015, Tatsuhiro Tsujikawa
+.\" Generated by docutils manpage writer.
+.

doc/h2load.1.rst

@@ -1,93 +1,102 @@
-.. program:: h2load
 
 h2load(1)
 =========
 
-NAME
-----
-h2load - HTTP/2 benchmarking tool
-
 SYNOPSIS
 --------
-**h2load** [OPTIONS]... <URI>...
+
+**h2load** [OPTIONS]... [URI]...
 
 DESCRIPTION
 -----------
+
 benchmarking tool for HTTP/2 and SPDY server
 
-.. option:: URI
+.. describe:: <URI>
 
-    Specify  URI to  access.   Multiple  URIs can  be
-    specified.  URIs are used  in this order for each
-    client.   All URIs  are used,  then first  URI is
-    used and  then 2nd URI,  and so on.   The scheme,
-    host and port in the subsequent URIs, if present,
-    are  ignored.  Those  in the  first URI  are used
-    solely.
+    Specify URI to access.   Multiple URIs can be specified.
+    URIs are used  in this order for each  client.  All URIs
+    are used, then  first URI is used and then  2nd URI, and
+    so  on.  The  scheme, host  and port  in the  subsequent
+    URIs, if present,  are ignored.  Those in  the first URI
+    are used solely.
 
-OPTIONS
--------
+OPTIONS:
+--------
 
 .. option:: -n, --requests=<N>
 
-    Number of requests. Default: 1
+    Number of requests.
+
+    Default: ``1``
 
 .. option:: -c, --clients=<N>
 
+    Number of concurrent clients.
 
-    Number of concurrent clients. Default: 1
+    Default: ``1``
 
 .. option:: -t, --threads=<N>
 
+    Number of native threads.
 
-    Number of native threads. Default: 1
+    Default: ``1``
+
+.. option:: -i, --input-file=<FILE>
+
+    Path of a file with multiple URIs are seperated by EOLs.
+    This option will disable URIs getting from command-line.
+    If '-' is given as <FILE>, URIs will be read from stdin.
+    URIs are used  in this order for each  client.  All URIs
+    are used, then  first URI is used and then  2nd URI, and
+    so  on.  The  scheme, host  and port  in the  subsequent
+    URIs, if present,  are ignored.  Those in  the first URI
+    are used solely.
 
 .. option:: -m, --max-concurrent-streams=(auto|<N>)
 
+    Max concurrent streams to  issue per session.  If "auto"
+    is given, the number of given URIs is used.
 
-    Max concurrent streams to  issue per session.  If
-    "auto"  is given,  the  number of  given URIs  is
-    used.  Default: auto
+    Default: ``auto``
 
 .. option:: -w, --window-bits=<N>
 
-    
-    Sets  the stream  level  initial  window size  to
-    (2\*\*<N>)-1.  For SPDY, 2\*\*<N> is used instead.
+    Sets the stream level initial window size to (2\*\*<N>)-1.
+    For SPDY, 2**<N> is used instead.
 
 .. option:: -W, --connection-window-bits=<N>
 
-    
     Sets  the  connection  level   initial  window  size  to
-    (2\*\*<N>)-1.  For  SPDY, if  <N> is  strictly less
-    than  16,  this  option  is  ignored.   Otherwise
-    2\*\*<N> is used for SPDY.
+    (2**<N>)-1.  For SPDY, if <N>  is strictly less than 16,
+    this option  is ignored.   Otherwise 2\*\*<N> is  used for
+    SPDY.
+
+.. option:: -H, --header=<HEADER>
+
+    Add/Override a header to the requests.
 
 .. option:: -p, --no-tls-proto=<PROTOID>
 
+    Specify ALPN identifier of the  protocol to be used when
+    accessing http URI without SSL/TLS.
+    Available protocols: spdy/2, spdy/3, spdy/3.1 and h2c-14
 
-    Specify  ALPN identifier  of the  protocol to  be
-    used  when accessing  http  URI without  SSL/TLS.
-    Available protocols: spdy/2, spdy/3, spdy/3.1 and
-    h2c-14
-    Default: h2c-14
+    Default: ``h2c-14``
 
 .. option:: -v, --verbose
 
-    
     Output debug information.
 
 .. option:: --version
 
-    
     Display version information and exit.
 
 .. option:: -h, --help
 
-    
     Display this help and exit.
 
 SEE ALSO
 --------
 
-nghttp(1), nghttpd(1), nghttpx(1)
+:manpage:`nghttp(1)`, :manpage:`nghttpd(1)`, :manpage:`nghttpx(1)`

doc/h2load.h2m

@@ -1,3 +0,0 @@
-[SEE ALSO]
-
-nghttp(1), nghttpd(1), nghttpx(1)

doc/h2load.h2r

@@ -0,0 +1,4 @@
+SEE ALSO
+--------
+
+:manpage:`nghttp(1)`, :manpage:`nghttpd(1)`, :manpage:`nghttpx(1)`

doc/libnghttp2_asio.rst.in

@@ -0,0 +1 @@
+.. include:: @top_srcdir@/doc/sources/libnghttp2_asio.rst

doc/nghttp.1

@@ -1,108 +1,211 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.1.
-.TH NGHTTP "1" "September 2014" "nghttp nghttp2/0.6.1" "User Commands"
+.\" Man page generated from reStructuredText.
+.
+.TH "NGHTTP" "1" "January 25, 2015" "0.7.3" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 experimental client
+.
+.nr rst2man-indent-level 0
+.
+.de1 rstReportMargin
+\\$1 \\n[an-margin]
+level \\n[rst2man-indent-level]
+level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
+-
+\\n[rst2man-indent0]
+\\n[rst2man-indent1]
+\\n[rst2man-indent2]
+..
+.de1 INDENT
+.\" .rstReportMargin pre:
+. RS \\$1
+. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
+. nr rst2man-indent-level +1
+.\" .rstReportMargin post:
+..
+.de UNINDENT
+. RE
+.\" indent \\n[an-margin]
+.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
+.nr rst2man-indent-level -1
+.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
+.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
+..
 .SH SYNOPSIS
-.B nghttp
-[\fI\,OPTIONS\/\fR]... \fI\,<URI>\/\fR...
+.sp
+\fBnghttp\fP [OPTIONS]... <URI>...
 .SH DESCRIPTION
+.sp
 HTTP/2 experimental client
+.INDENT 0.0
 .TP
-<URI>
+.B <URI>
 Specify URI to access.
-.SH OPTIONS
+.UNINDENT
+.SH OPTIONS:
+.INDENT 0.0
 .TP
-\fB\-v\fR, \fB\-\-verbose\fR
+.B \-v, \-\-verbose
 Print   debug   information   such  as   reception   and
-transmission of frames and name/value pairs.
+transmission of frames and name/value pairs.  Specifying
+this option multiple times increases verbosity.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-n\fR, \fB\-\-null\-out\fR
+.B \-n, \-\-null\-out
 Discard downloaded data.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-O\fR, \fB\-\-remote\-name\fR
+.B \-O, \-\-remote\-name
 Save  download  data  in  the  current  directory.   The
-filename is dereived from  URI.  If URI ends with
-\&'/',  'index.html' is  used as  a filename.   Not
-implemented yet.
+filename is  dereived from URI.   If URI ends  with \(aq\fI/\fP\(aq,
+\(aqindex.html\(aq  is used  as a  filename.  Not  implemented
+yet.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-t\fR, \fB\-\-timeout=\fR<N>
-Timeout each request after <N> seconds.
+.B \-t, \-\-timeout=<SEC>
+Timeout each request after <SEC> seconds.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-w\fR, \fB\-\-window\-bits=\fR<N>
-Sets  the stream  level  initial  window size  to
-2**<N>\-1.
+.B \-w, \-\-window\-bits=<N>
+Sets the stream level initial window size to 2**<N>\-1.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-W\fR, \fB\-\-connection\-window\-bits=\fR<N>
+.B \-W, \-\-connection\-window\-bits=<N>
 Sets  the  connection  level   initial  window  size  to
 2**<N>\-1.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-a\fR, \fB\-\-get\-assets\fR
-Download assets  such as stylesheets,  images and
-script files linked from the downloaded resource.
-Only links  whose origins  are the same  with the
-linking resource will be downloaded.
+.B \-a, \-\-get\-assets
+Download assets  such as stylesheets, images  and script
+files linked  from the downloaded resource.   Only links
+whose  origins are  the same  with the  linking resource
+will be downloaded.   nghttp prioritizes resources using
+HTTP/2 dependency  based priority.  The  priority order,
+from highest to lowest,  is html itself, css, javascript
+and images.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-s\fR, \fB\-\-stat\fR
+.B \-s, \-\-stat
 Print statistics.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-H\fR, \fB\-\-header\fR
-Add a header to the requests.
+.B \-H, \-\-header=<HEADER>
+Add a header to the requests.  Example: \fI\%\-H\fP\(aq:method: PUT\(aq
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-cert=\fR<CERT>
-Use the  specified client certificate  file.  The
-file must be in PEM format.
+.B \-\-cert=<CERT>
+Use  the specified  client certificate  file.  The  file
+must be in PEM format.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-key=\fR<KEY>
-Use the  client private key file.   The file must
-be in PEM format.
+.B \-\-key=<KEY>
+Use the  client private key  file.  The file must  be in
+PEM format.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-d\fR, \fB\-\-data=\fR<FILE>
-Post FILE to  server. If '\-' is  given, data will
-be read from stdin.
+.B \-d, \-\-data=<FILE>
+Post FILE to server. If \(aq\-\(aq  is given, data will be read
+from stdin.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-m\fR, \fB\-\-multiply=\fR<N> Request each URI <N> times.
-By default, same URI
-is not requested twice.   This option disables it
-too.
+.B \-m, \-\-multiply=<N>
+Request each URI <N> times.  By default, same URI is not
+requested twice.  This option disables it too.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-u\fR, \fB\-\-upgrade\fR
-Perform HTTP Upgrade for  HTTP/2.  This option is
-ignored if the request  URI has https scheme.  If
-\fB\-d\fR is used, the HTTP upgrade request is performed
-with OPTIONS method.
+.B \-u, \-\-upgrade
+Perform HTTP Upgrade for HTTP/2.  This option is ignored
+if the request URI has https scheme.  If \fI\-d\fP is used, the
+HTTP upgrade request is performed with OPTIONS method.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-p\fR, \fB\-\-weight=\fR<WEIGHT>
-Sets  priority  group  weight.  The  valid  value
-range is [1, 256], inclusive.
-Default: 16
+.B \-p, \-\-weight=<WEIGHT>
+Sets priority group weight.  The valid value range is
+[1, 256], inclusive.
+.sp
+Default: \fB16\fP
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-M\fR, \fB\-\-peer\-max\-concurrent\-streams=\fR<N>
-Use <N>  as SETTINGS_MAX_CONCURRENT_STREAMS value
-of  remote  endpoint  as  if it  is  received  in
-SETTINGS frame.   The default is large  enough as
-it is seen as unlimited.
+.B \-M, \-\-peer\-max\-concurrent\-streams=<N>
+Use  <N>  as  SETTINGS_MAX_CONCURRENT_STREAMS  value  of
+remote endpoint as if it  is received in SETTINGS frame.
+The default is large enough as it is seen as unlimited.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-c\fR, \fB\-\-header\-table\-size=\fR<N>
+.B \-c, \-\-header\-table\-size=<SIZE>
 Specify decoder header table size.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-b\fR, \fB\-\-padding=\fR<N>
-Add  at most  <N>  bytes to  a  frame payload  as
-padding.  Specify 0 to disable padding.
+.B \-b, \-\-padding=<N>
+Add at  most <N>  bytes to a  frame payload  as padding.
+Specify 0 to disable padding.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-color\fR
+.B \-r, \-\-har=<FILE>
+Output HTTP  transactions <FILE> in HAR  format.  If \(aq\-\(aq
+is given, data is written to stdout.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-color
 Force colored log output.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-continuation\fR
+.B \-\-continuation
 Send large header to test CONTINUATION.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-no\-content\-length\fR
-Don't send content\-length header field.
+.B \-\-no\-content\-length
+Don\(aqt send content\-length header field.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-version\fR
+.B \-\-no\-dep
+Don\(aqt send dependency based priority hint to server.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-dep\-idle
+Use idle streams as anchor nodes to express priority.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-version
 Display version information and exit.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-h\fR, \fB\-\-help\fR
+.B \-h, \-\-help
 Display this help and exit.
-.SH "SEE ALSO"
-
-nghttpd(1), nghttpx(1), h2load(1)
+.UNINDENT
+.sp
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+.SH SEE ALSO
+.sp
+\fInghttpd(1)\fP, \fInghttpx(1)\fP, \fIh2load(1)\fP
+.SH AUTHOR
+Tatsuhiro Tsujikawa
+.SH COPYRIGHT
+2012, 2015, Tatsuhiro Tsujikawa
+.\" Generated by docutils manpage writer.
+.

doc/nghttp.1.rst

@@ -1,166 +1,158 @@
-.. program:: nghttp
 
 nghttp(1)
 =========
 
-NAME
-----
-nghttp - HTTP/2 experimental client
-
 SYNOPSIS
 --------
+
 **nghttp** [OPTIONS]... <URI>...
 
 DESCRIPTION
 -----------
+
 HTTP/2 experimental client
 
-.. option:: URI
+.. describe:: <URI>
 
     Specify URI to access.
 
-OPTIONS
--------
+OPTIONS:
+--------
 
 .. option:: -v, --verbose
 
-    
     Print   debug   information   such  as   reception   and
-    transmission of frames and name/value pairs.
+    transmission of frames and name/value pairs.  Specifying
+    this option multiple times increases verbosity.
 
 .. option:: -n, --null-out
 
-    
     Discard downloaded data.
 
 .. option:: -O, --remote-name
 
-    
     Save  download  data  in  the  current  directory.   The
-    filename is dereived from  URI.  If URI ends with
-    \&'/',  'index.html' is  used as  a filename.   Not
-    implemented yet.
+    filename is  dereived from URI.   If URI ends  with '*/*',
+    'index.html'  is used  as a  filename.  Not  implemented
+    yet.
 
-.. option:: -t, --timeout=<N>
+.. option:: -t, --timeout=<SEC>
 
-    
-    Timeout each request after <N> seconds.
+    Timeout each request after <SEC> seconds.
 
 .. option:: -w, --window-bits=<N>
 
-    
-    Sets  the stream  level  initial  window size  to
-    2\*\*<N>-1.
+    Sets the stream level initial window size to 2\*\*<N>-1.
 
 .. option:: -W, --connection-window-bits=<N>
 
-    
     Sets  the  connection  level   initial  window  size  to
     2\*\*<N>-1.
 
 .. option:: -a, --get-assets
 
-    
-    Download assets  such as stylesheets,  images and
-    script files linked from the downloaded resource.
-    Only links  whose origins  are the same  with the
-    linking resource will be downloaded.
+    Download assets  such as stylesheets, images  and script
+    files linked  from the downloaded resource.   Only links
+    whose  origins are  the same  with the  linking resource
+    will be downloaded.   nghttp prioritizes resources using
+    HTTP/2 dependency  based priority.  The  priority order,
+    from highest to lowest,  is html itself, css, javascript
+    and images.
 
 .. option:: -s, --stat
 
-    
     Print statistics.
 
-.. option:: -H, --header
+.. option:: -H, --header=<HEADER>
 
-    
-    Add a header to the requests.
+    Add a header to the requests.  Example: :option:`-H`\':method: PUT'
 
 .. option:: --cert=<CERT>
 
-    
-    Use the  specified client certificate  file.  The
-    file must be in PEM format.
+    Use  the specified  client certificate  file.  The  file
+    must be in PEM format.
 
 .. option:: --key=<KEY>
 
-    
-    Use the  client private key file.   The file must
-    be in PEM format.
+    Use the  client private key  file.  The file must  be in
+    PEM format.
 
 .. option:: -d, --data=<FILE>
 
-    
-    Post FILE to  server. If '-' is  given, data will
-    be read from stdin.
+    Post FILE to server. If '-'  is given, data will be read
+    from stdin.
 
 .. option:: -m, --multiply=<N>
 
-    Request each URI <N> times.
-    By default, same URI
-    is not requested twice.   This option disables it
-    too.
+    Request each URI <N> times.  By default, same URI is not
+    requested twice.  This option disables it too.
 
 .. option:: -u, --upgrade
 
-    
-    Perform HTTP Upgrade for  HTTP/2.  This option is
-    ignored if the request  URI has https scheme.  If
-    :option:`-d` is used, the HTTP upgrade request is performed
-    with OPTIONS method.
+    Perform HTTP Upgrade for HTTP/2.  This option is ignored
+    if the request URI has https scheme.  If :option:`-d` is used, the
+    HTTP upgrade request is performed with OPTIONS method.
 
 .. option:: -p, --weight=<WEIGHT>
 
+    Sets priority group weight.  The valid value range is
+    [1, 256], inclusive.
 
-    Sets  priority  group  weight.  The  valid  value
-    range is [1, 256], inclusive.
-    Default: 16
+    Default: ``16``
 
 .. option:: -M, --peer-max-concurrent-streams=<N>
 
+    Use  <N>  as  SETTINGS_MAX_CONCURRENT_STREAMS  value  of
+    remote endpoint as if it  is received in SETTINGS frame.
+    The default is large enough as it is seen as unlimited.
 
-    Use <N>  as SETTINGS_MAX_CONCURRENT_STREAMS value
-    of  remote  endpoint  as  if it  is  received  in
-    SETTINGS frame.   The default is large  enough as
-    it is seen as unlimited.
-
-.. option:: -c, --header-table-size=<N>
-
+.. option:: -c, --header-table-size=<SIZE>
 
     Specify decoder header table size.
 
 .. option:: -b, --padding=<N>
 
+    Add at  most <N>  bytes to a  frame payload  as padding.
+    Specify 0 to disable padding.
 
-    Add  at most  <N>  bytes to  a  frame payload  as
-    padding.  Specify 0 to disable padding.
+.. option:: -r, --har=<FILE>
+
+    Output HTTP  transactions <FILE> in HAR  format.  If '-'
+    is given, data is written to stdout.
 
 .. option:: --color
 
-    
     Force colored log output.
 
 .. option:: --continuation
 
-    
     Send large header to test CONTINUATION.
 
 .. option:: --no-content-length
 
-    
     Don't send content-length header field.
 
-.. option:: --version
+.. option:: --no-dep
 
+    Don't send dependency based priority hint to server.
+
+.. option:: --dep-idle
+
+    Use idle streams as anchor nodes to express priority.
+
+.. option:: --version
 
     Display version information and exit.
 
 .. option:: -h, --help
 
-    
     Display this help and exit.
 
+
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+
 SEE ALSO
 --------
 
-nghttpd(1), nghttpx(1), h2load(1)
+:manpage:`nghttpd(1)`, :manpage:`nghttpx(1)`, :manpage:`h2load(1)`

doc/nghttp.h2m

@@ -1,3 +0,0 @@
-[SEE ALSO]
-
-nghttpd(1), nghttpx(1), h2load(1)

doc/nghttp.h2r

@@ -0,0 +1,4 @@
+SEE ALSO
+--------
+
+:manpage:`nghttpd(1)`, :manpage:`nghttpx(1)`, :manpage:`h2load(1)`

doc/nghttpd.1

@@ -1,93 +1,160 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.1.
-.TH NGHTTPD "1" "September 2014" "nghttpd nghttp2/0.6.1" "User Commands"
+.\" Man page generated from reStructuredText.
+.
+.TH "NGHTTPD" "1" "January 25, 2015" "0.7.3" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 experimental server
+.
+.nr rst2man-indent-level 0
+.
+.de1 rstReportMargin
+\\$1 \\n[an-margin]
+level \\n[rst2man-indent-level]
+level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
+-
+\\n[rst2man-indent0]
+\\n[rst2man-indent1]
+\\n[rst2man-indent2]
+..
+.de1 INDENT
+.\" .rstReportMargin pre:
+. RS \\$1
+. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
+. nr rst2man-indent-level +1
+.\" .rstReportMargin post:
+..
+.de UNINDENT
+. RE
+.\" indent \\n[an-margin]
+.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
+.nr rst2man-indent-level -1
+.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
+.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
+..
 .SH SYNOPSIS
-.B nghttpd
-[\fI\,OPTION\/\fR]... \fI\,<PORT> <PRIVATE_KEY> <CERT>\/\fR
-.br
-.B nghttpd
-\fI\,--no-tls \/\fR[\fI\,OPTION\/\fR]... \fI\,<PORT>\/\fR
+.sp
+\fBnghttpd\fP [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>]
 .SH DESCRIPTION
+.sp
 HTTP/2 experimental server
+.INDENT 0.0
 .TP
-<PORT>
+.B <PORT>
 Specify listening port number.
+.UNINDENT
+.INDENT 0.0
 .TP
-<PRIVATE_KEY>
-Set  path  to  server's  private  key.   Required
-unless \fB\-\-no\-tls\fR is specified.
+.B <PRIVATE_KEY>
+Set  path  to  server\(aqs private  key.   Required  unless
+\fI\%\-\-no\-tls\fP is specified.
+.UNINDENT
+.INDENT 0.0
 .TP
-<CERT>
-Set  path  to   server's  certificate.   Required
-unless \fB\-\-no\-tls\fR is specified.
-.SH OPTIONS
+.B <CERT>
+Set  path  to  server\(aqs  certificate.   Required  unless
+\fI\%\-\-no\-tls\fP is specified.
+.UNINDENT
+.SH OPTIONS:
+.INDENT 0.0
 .TP
-\fB\-D\fR, \fB\-\-daemon\fR
-Run in a background.  If  \fB\-D\fR is used, the current
-working directory  is changed to  '/'.  Therefore
-if  this  option  is  used,  \fB\-d\fR  option  must  be
-specified.
+.B \-D, \-\-daemon
+Run in a background.  If \fI\-D\fP is used, the current working
+directory is  changed to \(aq\fI/\fP\(aq.  Therefore  if this option
+is used, \fI\%\-d\fP option must be specified.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-V\fR, \fB\-\-verify\-client\fR
-The  server sends  a client  certificate request.
-If the  client did not return  a certificate, the
-handshake is terminated.   Currently, this option
-just requests  a client certificate and  does not
-verify it.
+.B \-V, \-\-verify\-client
+The server  sends a client certificate  request.  If the
+client did  not return  a certificate, the  handshake is
+terminated.   Currently,  this  option just  requests  a
+client certificate and does not verify it.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-d\fR, \fB\-\-htdocs=\fR<PATH>
-Specify  document root.   If this  option is  not
-specified,  the  document  root  is  the  current
-working directory.
+.B \-d, \-\-htdocs=<PATH>
+Specify document root.  If this option is not specified,
+the document root is the current working directory.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-v\fR, \fB\-\-verbose\fR
-Print  debug   information  such   as  reception/
-transmission of frames and name/value pairs.
+.B \-v, \-\-verbose
+Print debug information  such as reception/ transmission
+of frames and name/value pairs.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-no\-tls\fR
+.B \-\-no\-tls
 Disable SSL/TLS.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-c\fR, \fB\-\-header\-table\-size=\fR<N>
+.B \-c, \-\-header\-table\-size=<SIZE>
 Specify decoder header table size.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-color\fR
+.B \-\-color
 Force colored log output.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-p\fR, \fB\-\-push=\fR<PATH>=<PUSH_PATH,...>
-Push  resources   <PUSH_PATH>s  when   <PATH>  is
-requested.  This option can be used repeatedly to
-specify multiple push configurations.  <PATH> and
-<PUSH_PATH>s are relative  to document root.  See
-\fB\-\-htdocs\fR    option.      Example:    \fB\-p\fR/=/foo.png
-\fB\-p\fR/doc=/bar.css
+.B \-p, \-\-push=<PATH>=<PUSH_PATH,...>
+Push  resources <PUSH_PATH>s  when <PATH>  is requested.
+This option  can be used repeatedly  to specify multiple
+push  configurations.    <PATH>  and   <PUSH_PATH>s  are
+relative  to   document  root.   See   \fI\%\-\-htdocs\fP  option.
+Example: \fI\-p\fP/=/foo.png \fI\-p\fP/doc=/bar.css
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-b\fR, \fB\-\-padding=\fR<N>
-Add  at most  <N>  bytes to  a  frame payload  as
-padding.  Specify 0 to disable padding.
+.B \-b, \-\-padding=<N>
+Add at  most <N>  bytes to a  frame payload  as padding.
+Specify 0 to disable padding.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-n\fR, \fB\-\-workers=\fR<CORE>
+.B \-n, \-\-workers=<N>
 Set the number of worker threads.
-Default: 1
+.sp
+Default: \fB1\fP
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-e\fR, \fB\-\-error\-gzip\fR
+.B \-e, \-\-error\-gzip
 Make error response gzipped.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-dh\-param\-file=\fR<PATH>
-Path to  file that contains DH  parameters in PEM
-format.  Without  this option, DHE  cipher suites
-are not available.
+.B \-\-dh\-param\-file=<PATH>
+Path to file that contains  DH parameters in PEM format.
+Without  this   option,  DHE   cipher  suites   are  not
+available.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-early\-response\fR
-Start  sending response  when request  HEADERS is
-received,   rather  than   complete  request   is
-received.
+.B \-\-early\-response
+Start sending response when request HEADERS is received,
+rather than complete request is received.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-\-version\fR
+.B \-\-version
 Display version information and exit.
+.UNINDENT
+.INDENT 0.0
 .TP
-\fB\-h\fR, \fB\-\-help\fR
+.B \-h, \-\-help
 Display this help and exit.
-.SH "SEE ALSO"
-
-nghttp(1), nghttpx(1), h2load(1)
+.UNINDENT
+.sp
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+.SH SEE ALSO
+.sp
+\fInghttp(1)\fP, \fInghttpx(1)\fP, \fIh2load(1)\fP
+.SH AUTHOR
+Tatsuhiro Tsujikawa
+.SH COPYRIGHT
+2012, 2015, Tatsuhiro Tsujikawa
+.\" Generated by docutils manpage writer.
+.

doc/nghttpd.1.rst

@@ -1,136 +1,117 @@
-.. program:: nghttpd
 
 nghttpd(1)
 ==========
 
-NAME
-----
-nghttpd - HTTP/2 experimental server
-
 SYNOPSIS
 --------
-**nghttpd** [OPTION]... <PORT> <PRIVATE_KEY> <CERT>
 
-**nghttpd** --no-tls [OPTION]... <PORT>
+**nghttpd** [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>]
 
 DESCRIPTION
 -----------
+
 HTTP/2 experimental server
 
-.. option:: PORT
+.. describe:: <PORT>
 
     Specify listening port number.
 
-.. option:: PRIVATE_KEY
+.. describe:: <PRIVATE_KEY>
 
-    Set  path  to  server's  private  key.   Required
-    unless :option:`--no-tls` is specified.
     
-.. option:: CERT
+    Set  path  to  server's private  key.   Required  unless
+    :option:`--no-tls` is specified.
 
-    Set  path  to   server's  certificate.   Required
-    unless :option:`--no-tls` is specified.
+.. describe:: <CERT>
 
-OPTIONS
--------
+    Set  path  to  server's  certificate.   Required  unless
+    :option:`--no-tls` is specified.
+
+OPTIONS:
+--------
 
 .. option:: -D, --daemon
 
-    
-    Run in a background.  If  :option:`-D` is used, the current
-    working directory  is changed to  '/'.  Therefore
-    if  this  option  is  used,  :option:`-d`  option  must  be
-    specified.
+    Run in a background.  If :option:`-D` is used, the current working
+    directory is  changed to '*/*'.  Therefore  if this option
+    is used, :option:`-d` option must be specified.
 
 .. option:: -V, --verify-client
 
-    
-    The  server sends  a client  certificate request.
-    If the  client did not return  a certificate, the
-    handshake is terminated.   Currently, this option
-    just requests  a client certificate and  does not
-    verify it.
+    The server  sends a client certificate  request.  If the
+    client did  not return  a certificate, the  handshake is
+    terminated.   Currently,  this  option just  requests  a
+    client certificate and does not verify it.
 
 .. option:: -d, --htdocs=<PATH>
 
-    
-    Specify  document root.   If this  option is  not
-    specified,  the  document  root  is  the  current
-    working directory.
+    Specify document root.  If this option is not specified,
+    the document root is the current working directory.
 
 .. option:: -v, --verbose
 
-    
-    Print  debug   information  such   as  reception/
-    transmission of frames and name/value pairs.
+    Print debug information  such as reception/ transmission
+    of frames and name/value pairs.
 
 .. option:: --no-tls
 
-    
     Disable SSL/TLS.
 
-.. option:: -c, --header-table-size=<N>
-
+.. option:: -c, --header-table-size=<SIZE>
 
     Specify decoder header table size.
 
 .. option:: --color
 
-    
     Force colored log output.
 
 .. option:: -p, --push=<PATH>=<PUSH_PATH,...>
 
-    
-    Push  resources   <PUSH_PATH>s  when   <PATH>  is
-    requested.  This option can be used repeatedly to
-    specify multiple push configurations.  <PATH> and
-    <PUSH_PATH>s are relative  to document root.  See
-    :option:`--htdocs`    option.      Example:    -p/=/foo.png
-    -p/doc=/bar.css
+    Push  resources <PUSH_PATH>s  when <PATH>  is requested.
+    This option  can be used repeatedly  to specify multiple
+    push  configurations.    <PATH>  and   <PUSH_PATH>s  are
+    relative  to   document  root.   See   :option:`--htdocs`  option.
+    Example: :option:`-p`\/=/foo.png :option:`-p`\/doc=/bar.css
 
 .. option:: -b, --padding=<N>
 
+    Add at  most <N>  bytes to a  frame payload  as padding.
+    Specify 0 to disable padding.
 
-    Add  at most  <N>  bytes to  a  frame payload  as
-    padding.  Specify 0 to disable padding.
-
-.. option:: -n, --workers=<CORE>
-
+.. option:: -n, --workers=<N>
 
     Set the number of worker threads.
-    Default: 1
+
+    Default: ``1``
 
 .. option:: -e, --error-gzip
 
-    
     Make error response gzipped.
 
 .. option:: --dh-param-file=<PATH>
 
-    
-    Path to  file that contains DH  parameters in PEM
-    format.  Without  this option, DHE  cipher suites
-    are not available.
+    Path to file that contains  DH parameters in PEM format.
+    Without  this   option,  DHE   cipher  suites   are  not
+    available.
 
 .. option:: --early-response
 
-    
-    Start  sending response  when request  HEADERS is
-    received,   rather  than   complete  request   is
-    received.
+    Start sending response when request HEADERS is received,
+    rather than complete request is received.
 
 .. option:: --version
 
-    
     Display version information and exit.
 
 .. option:: -h, --help
 
-    
     Display this help and exit.
 
+
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+
 SEE ALSO
 --------
 
-nghttp(1), nghttpx(1), h2load(1)
+:manpage:`nghttp(1)`, :manpage:`nghttpx(1)`, :manpage:`h2load(1)`

doc/nghttpd.h2m

@@ -1,3 +0,0 @@
-[SEE ALSO]
-
-nghttp(1), nghttpx(1), h2load(1)

doc/nghttpd.h2r

@@ -0,0 +1,4 @@
+SEE ALSO
+--------
+
+:manpage:`nghttp(1)`, :manpage:`nghttpx(1)`, :manpage:`h2load(1)`

doc/nghttpx.h2m

@@ -1,3 +0,0 @@
-[SEE ALSO]
-
-nghttp(1), nghttpd(1), h2load(1)

doc/nghttpx.h2r

@@ -0,0 +1,48 @@
+FILES
+-----
+
+*/etc/nghttpx/nghttpx.conf*
+  The default configuration file path nghttpx searches at startup.
+  The configuration file path can be changed using :option:`--conf`
+  option.
+
+  Those lines which are staring ``#`` are treated as comment.
+
+  The option name in the configuration file is the long command-line
+  option name with leading ``--`` stripped (e.g., ``frontend``).  Put
+  ``=`` between option name and value.  Don't put extra leading or
+  trailing spaces.
+
+  The options which do not take argument in the command-line *take*
+  argument in the configuration file.  Specify ``yes`` as an argument
+  (e.g., ``http2-proxy=yes``).  If other string is given, it is
+  ignored.
+
+  To specify private key and certificate file which are given as
+  positional arguments in commnad-line, use ``private-key-file`` and
+  ``certificate-file``.
+
+  :option:`--conf` option cannot be used in the configuration file and
+  will be ignored if specified.
+
+SIGNALS
+-------
+
+SIGQUIT
+  Shutdown gracefully.  First accept pending connections and stop
+  accepting connection.  After all connections are handled, nghttpx
+  exits.
+
+SIGUSR1
+  Reopen log files.
+
+SIGUSR2
+  Fork and execute nghttpx.  It will execute the binary in the same
+  path with same command-line arguments and environment variables.
+  After new process comes up, sending SIGQUIT to the original process
+  to perform hot swapping.
+
+SEE ALSO
+--------
+
+:manpage:`nghttp(1)`, :manpage:`nghttpd(1)`, :manpage:`h2load(1)`

doc/sources/building-android-binary.rst

@@ -5,6 +5,11 @@ In this article, we briefly describe how to build Android binary using
 `Android NDK <http://developer.android.com/tools/sdk/ndk/index.html>`_
 cross-compiler on Debian Linux.
 
+The easiest way to build android binary is use Dockerfile.android.
+See Dockerfile.android for more details.  If you cannot use
+Dockerfile.android for whatever reason, continue to read the rest of
+this article.
+
 We offer ``android-config`` and ``android-make`` scripts to make the
 build easier.  To make these script work, NDK toolchain must be
 installed in the following way.  First, let us introduce
@@ -16,8 +21,9 @@ unpacked::
 
     $ build/tools/make-standalone-toolchain.sh \
       --install-dir=$ANDROID_HOME/toolchain \
-      --toolchain=arm-linux-androideabi-4.8 \
-      --llvm-version=3.4
+      --toolchain=arm-linux-androideabi-4.9 \
+      --llvm-version=3.5 \
+      --platform=android-16
 
 The additional flag ``--system=linux-x86_64`` may be required if you
 are using x86_64 system.
@@ -25,7 +31,7 @@ are using x86_64 system.
 The platform level is not important here because we don't use Android
 specific C/C++ API.
 
-The dependent libraries, such as OpenSSL and libevent should be built
+The dependent libraries, such as OpenSSL and libev should be built
 with the toolchain and installed under ``$ANDROID_HOME/usr/local``.
 We recommend to build these libraries as static library to make the
 deployment easier.  libxml2 support is currently disabled.
@@ -42,7 +48,9 @@ correct path.  Also add ``$ANDROID_HOME/toolchain/bin`` to ``PATH``::
 
     $ export PATH=$PATH:$ANDROID_HOME/toolchain/bin
 
-To configure OpenSSL, use the following script::
+To configure OpenSSL, use the following script:
+
+.. code-block:: sh
 
     #!/bin/sh
 
@@ -59,7 +67,12 @@ To configure OpenSSL, use the following script::
 
 And run ``make install`` to build and install.
 
-To configure libevent, use the following script::
+We cannot compile libev without modification.  Apply `this patch
+<https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed>`_ before
+configuring libev.  This patch is for libev-4.19.  After applying the
+patch, to configure libev, use the following script:
+
+.. code-block:: sh
 
     #!/bin/sh
 
@@ -82,7 +95,9 @@ To configure libevent, use the following script::
 
 And run ``make install`` to build and install.
 
-To configure spdylay, use the following script::
+To configure spdylay, use the following script:
+
+.. code-block:: sh
 
     if [ -z "$ANDROID_HOME" ]; then
 	echo 'No $ANDROID_HOME specified.'

doc/sources/contribute.rst

@@ -0,0 +1,57 @@
+Contribution Guidelines
+=======================
+
+[This text was composed based on 1.2. License section of curl/libcurl
+project.]
+
+When contributing with code, you agree to put your changes and new
+code under the same license nghttp2 is already using unless stated and
+agreed otherwise.
+
+When changing existing source code, you do not alter the copyright of
+the original file(s).  The copyright will still be owned by the
+original creator(s) or those who have been assigned copyright by the
+original author(s).
+
+By submitting a patch to the nghttp2 project, you are assumed to have
+the right to the code and to be allowed by your employer or whatever
+to hand over that patch/code to us.  We will credit you for your
+changes as far as possible, to give credit but also to keep a trace
+back to who made what changes.  Please always provide us with your
+full real name when contributing!
+
+Coding style
+------------
+
+We use clang-format to format source code consistently.  The
+clang-format configuration file .clang-format is located at the root
+directory.  Since clang-format produces slightly different results
+between versions, we currently use clang-format which comes with
+clang-3.5.
+
+To detect any violation to the coding style, we recommend to setup git
+pre-commit hook to check coding style of the changes you introduced.
+The pre-commit file is located at the root directory.  Copy it under
+.git/hooks and make sure that it is executable.  The pre-commit script
+uses clang-format-diff.py to detect any style errors.  If it is not in
+your PATH or it exists under different name (e.g.,
+clang-format-diff-3.5 in debian), either add it to PATH variable or
+add git option ``clangformatdiff.binary`` to point to the script.
+
+For emacs users, integrating clang-format to emacs is very easy.
+clang-format.el should come with clang distribution.  If it is not
+found, download it from `here
+<https://llvm.org/svn/llvm-project/cfe/trunk/tools/clang-format/clang-format.el>`_.
+And add these lines to your .emacs file:
+
+.. code-block:: lisp
+
+    ;; From
+    ;; https://code.google.com/p/chromium/wiki/Emacs#Use_Google's_C++_style!
+    (load "/<path/to>/clang-format.el")
+    (add-hook 'c-mode-common-hook
+         (function (lambda () (local-set-key (kbd "TAB")
+                                             'clang-format-region))))
+
+You can find other editor integration in
+http://clang.llvm.org/docs/ClangFormat.html.

doc/sources/index.rst

@@ -17,6 +17,7 @@ Contents:
    :maxdepth: 2
 
    package_README
+   contribute
    building-android-binary
    tutorial-client
    tutorial-server
@@ -28,25 +29,22 @@ Contents:
    nghttpx-howto
    h2load-howto
    apiref
+   libnghttp2_asio
    python-apiref
    nghttp2.h
    nghttp2ver.h
+   asio_http2.h
    Source <https://github.com/tatsuhiro-t/nghttp2>
    Issues <https://github.com/tatsuhiro-t/nghttp2/issues>
+   nghttp2.org <https://nghttp2.org/>
 
 Released Versions
 =================
 
-* `v0.3.2 <released-versions/v0.3.2/>`_ `(Download v0.3.2) <https://github.com/tatsuhiro-t/nghttp2/releases/tag/v0.3.2>`_
-* `v0.3.1 <released-versions/v0.3.1/>`_ `(Download v0.3.1) <https://github.com/tatsuhiro-t/nghttp2/releases/tag/v0.3.1>`_
-* `v0.3.0 <released-versions/v0.3.0/>`_ `(Download v0.3.0) <https://github.com/tatsuhiro-t/nghttp2/releases/tag/v0.3.0>`_
-* `v0.2.0 <released-versions/v0.2.0/>`_ `(Download v0.2.0) <https://github.com/tatsuhiro-t/nghttp2/releases/tag/v0.2.0>`_
-* `v0.1.0 <released-versions/v0.1.0/>`_ `(Download v0.1.0) <https://github.com/tatsuhiro-t/nghttp2/releases/tag/v0.1.0>`_
-
+https://github.com/tatsuhiro-t/nghttp2/releases
 
 Resources
 ---------
 
 * http://tools.ietf.org/html/draft-ietf-httpbis-http2-14
 * http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-09
-* http://tools.ietf.org/html/draft-ietf-httpbis-alt-svc-02

doc/sources/libnghttp2_asio.rst

@@ -0,0 +1,228 @@
+libnghttp2_asio: High level HTTP/2 C++ library
+==============================================
+
+libnghttp2_asio is C++ library built on top of libnghttp2 and provides
+high level abstraction API to build HTTP/2 applications.  It depends
+on Boost::ASIO library and OpenSSL.  Currently libnghttp2_asio
+provides server side API.
+
+libnghttp2_asio is not built by default.  Use ``--enable-asio-lib``
+configure flag to build libnghttp2_asio.  The required Boost libraries
+are:
+
+* Boost::Asio
+* Boost::System
+* Boost::Thread
+
+To use libnghttp2_asio, first include following header file:
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2.h>
+
+Also take a look at that header file :doc:`asio_http2.h`.
+
+Server API
+----------
+
+Server API is designed to build HTTP/2 server very easily to utilize
+C++11 anonymous function and closure.  The bare minimum example of
+HTTP/2 server looks like this:
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      http2 server;
+
+      server.listen("*", 3000, [](const std::shared_ptr<request> &req,
+                                  const std::shared_ptr<response> &res) {
+        res->write_head(200);
+        res->end("hello, world");
+      });
+    }
+
+First we instantiate ``nghttp2::asio_http2::server::http2`` object.
+Then call ``nghttp2::asio_http2::server::http2::listen`` function with
+address and port to listen to and callback function, namely "request
+callback", invoked when request arrives.
+
+The ``req`` and ``res`` represent HTTP request and response
+respectively.  ``nghttp2::asio_http2_::server::response::write_head``
+constructs HTTP response header fields.  The first argument is HTTP
+status code, in the above example, which is 200.  The second argument,
+which is omitted in the above example, is additional header fields to
+send.
+
+``nghttp2::asio_http2::server::response::end`` sends responde body.
+In the above example, we send string "hello, world".
+
+Serving static files and enabling SSL/TLS
++++++++++++++++++++++++++++++++++++++++++
+
+In this example, we serve a couple of static files and also enable
+SSL/TLS.
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      http2 server;
+
+      server.tls("server.key", "server.crt");
+
+      server.listen("*", 3000, [](const std::shared_ptr<request> &req,
+                                  const std::shared_ptr<response> &res) {
+        if (req->path() == "/" || req->path() == "/index.html") {
+          res->write_head(200);
+          res->end(file_reader("index.html"));
+        } else {
+          res->write_head(404);
+          res->end("<html><head><title>404</title></head>"
+                   "<body>404 Not Found</body></html>");
+        }
+      });
+    }
+
+Specifying path to private key file and certificate file in
+``nghttp2::asio_http2::server::http2::tls`` will enable SSL/TLS.  Both
+files must be in PEM format.
+
+In the above example, if request path is either "/" or "/index.html",
+we serve index.html file in the current working directory.
+``nghttp2::asio_http2::server::response::end`` has overload to take
+function of type ``nghttp2::asio_http2::read_cb`` and application pass
+its implementation to generate response body.  For the convenience,
+libnghttp2_asio library provides ``nghttp2::asio_http2::file_reader``
+function to generate function to server static file.
+
+Server push
++++++++++++
+
+Server push is also supported.
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      http2 server;
+
+      server.tls("server.key", "server.crt");
+
+      server.listen("*", 3000, [](const std::shared_ptr<request> &req,
+                                  const std::shared_ptr<response> &res) {
+        if (req->path() == "/") {
+          req->push("GET", "/my.css");
+
+          res->write_head(200);
+          res->end(file_reader("index.html"));
+
+          return;
+        }
+
+        if (req->path() == "/my.css") {
+          res->write_head(200);
+          res->end(file_reader("my.css"));
+
+          return;
+        }
+
+        res->write_head(404);
+        res->end("<html><head><title>404</title></head>"
+                 "<body>404 Not Found</body></html>");
+      });
+    }
+
+When client requested "/", we push "/my.css".  To push resource, call
+``nghttp2::asio_http2::server::request::push`` function with desired
+method and path.  Later, the callback will be called with the pushed
+resource "/my.css".
+
+Enable multi-threading
+++++++++++++++++++++++
+
+Enabling multi-threading is very easy.  Just call
+``nghttp2::asio_http2::server::http2::num_threads`` function with the
+desired number of threads:
+
+.. code-block:: cpp
+
+    http2 server;
+
+    // Use 4 native threads
+    server.num_threads(4);
+
+Run blocking tasks in background thread
++++++++++++++++++++++++++++++++++++++++
+
+The request callback is called in the same thread where HTTP request
+is handled.  And many connections shares the same thread, we cannot
+directly run blocking tasks in request callback.
+
+To run blocking tasks, use
+``nghttp2::asio_http2::server::request::run_task``.  The passed
+callback will be executed in the different thread from the thread
+where request callback was executed.  So application can perform
+blocking task there.  The example follows:
+
+.. code-block:: cpp
+
+    #include <unistd.h>
+    #include <nghttp2/asio_http2.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      http2 server;
+
+      server.num_concurrent_tasks(16);
+
+      server.listen("*", 3000, [](const std::shared_ptr<request> &req,
+                                  const std::shared_ptr<response> &res) {
+        req->run_task([res](channel &channel) {
+          // executed in different thread than the thread where
+          // request callback was executed.
+
+          // using res directly here is not safe.  Capturing it by
+          // value is safe because it is std::shared_ptr.
+
+          sleep(1);
+
+          channel.post([res]() {
+            // executed in the same thread where request callback
+            // was executed.
+            res->write_head(200);
+            res->end("hello, world");
+          });
+        });
+      });
+    }
+
+First we set the number of background threads which run tasks.  By
+default it is set to 1.  In this example, we set it to 16, so at most
+16 tasks can be executed concurrently without blocking handling new
+requests.
+
+We call ``req->run_task()`` to execute task in background thread.  In
+the passed callback, we just simply sleeps 1 second.  After sleep is
+over, we schedule another callback to send response to the client.
+Since the callback passed to ``req->run_task()`` is executed in the
+different thread from the thread where request callback is called,
+using ``req`` or ``res`` object directly there may cause undefined
+behaviour.  To avoid this issue, we can use
+``nghttp2::asio_http2::channel::post`` by supplying a callback which
+in turn get called in the same thread where request callback was
+called.

doc/sources/nghttpx-howto.rst

@@ -52,18 +52,18 @@ like forward proxy and assumes the backend is HTTP/1 proxy server
 (e.g., squid, traffic server).  So HTTP/1 request must include
 absolute URI in request line.
 
-By default, frontend connection is encrypted, this mode is also called
-secure proxy.  If nghttpx is linked with spdylay, it supports SPDY
-protocols and it works as so called SPDY proxy.
+By default, frontend connection is encrypted.  So this mode is also
+called secure proxy.  If nghttpx is linked with spdylay, it supports
+SPDY protocols and it works as so called SPDY proxy.
 
 With ``--frontend-no-tls`` option, SSL/TLS is turned off in frontend
 connection, so the connection gets insecure.
 
-The backend must be HTTP/1 proxy server.  nghttpx only supports 1
-backend server address.  It translates incoming requests to HTTP/1
-request to backend server.  The backend server performs real proxy
-work for each request, for example, dispatching requests to the origin
-server and caching contents.
+The backend must be HTTP/1 proxy server.  nghttpx only supports
+multiple backend server addresses.  It translates incoming requests to
+HTTP/1 request to backend server.  The backend server performs real
+proxy work for each request, for example, dispatching requests to the
+origin server and caching contents.
 
 For example, to make nghttpx listen to encrypted HTTP/2 requests at
 port 8443, and a backend HTTP/1 proxy server is configured to listen
@@ -87,7 +87,7 @@ proxy, user has to create proxy.pac script file like this:
 
 ``SERVERADDR`` and ``PORT`` is the hostname/address and port of the
 machine nghttpx is running.  Please note that both Firefox nightly and
-Chromium requires valid certificate for secure proxy.
+Chromium require valid certificate for secure proxy.
 
 For Firefox nightly, open Preference window and select Advanced then
 click Network tab.  Clicking Connection Settings button will show the
@@ -100,9 +100,9 @@ For Chromium, use following command-line::
 
     $ google-chrome --proxy-pac-url=file:///path/to/proxy.pac --use-npn
 
-Squid may work as out-of-box.  Traffic server requires to be
-configured as forward proxy.  Here is the minimum configuration items
-to edit::
+As HTTP/1 proxy server, Squid may work as out-of-box.  Traffic server
+requires to be configured as forward proxy.  Here is the minimum
+configuration items to edit::
 
     CONFIG proxy.config.reverse_proxy.enabled INT 0
     CONFIG proxy.config.url_remap.remap_required INT 0
@@ -235,12 +235,12 @@ Read/write rate limit
 ---------------------
 
 nghttpx supports transfer rate limiting on frontend connections.  You
-can do rate limit per worker (thread) for reading and writeing
+can do rate limit per frontend connection for reading and writeing
 individually.
 
-To rate limit per worker (thread), use ``--worker-read-rate`` and
-``--worker-read-burst`` options.  For writing, use
-``--worker-write-rate`` and ``--worker-write-burst``.
+To perform rate limit for reading, use ``--read-rate`` and
+``--read-burst`` options.  For writing, use ``--write-rate`` and
+``--write-burst``.
 
 Please note that rate limit is performed on top of TCP and nothing to
 do with HTTP/2 flow control.
@@ -263,10 +263,10 @@ precedence.  If the above conditions are not met with the host value
 in :authority header field, rewrite is retried with the value in host
 header field.
 
-Hot deploy
-----------
+Hot swapping
+------------
 
-nghttpx supports hot deploy feature using signals.  The hot deploy in
+nghttpx supports hot swapping using signals.  The hot swapping in
 nghttpx is multi step process.  First send USR2 signal to nghttpx
 process.  It will do fork and execute new executable, using same
 command-line arguments and environment variables.  At this point, both
@@ -284,3 +284,12 @@ log rotation daemon renamed existing log files.  To tell nghttpx to
 re-open log files, send USR1 signal to nghttpx process.  It will
 re-open files specified by ``--accesslog-file`` and
 ``--errorlog-file`` options.
+
+Multiple HTTP/1 backend addresses
+---------------------------------
+
+nghttpx supports multiple HTTP/1 backend addresses.  To specify them,
+just use ``-b`` option repeatedly.  For example, to use backend1:8080
+and backend2:8080, use command-line like this: ``-bbackend1,8080
+-bbackend2,8080``.  Please note that HTTP/2 backend only supports 1
+backend address.

doc/sources/tutorial-client.rst

@@ -22,12 +22,10 @@ protocol over the SSL/TLS transport. In this tutorial, we use
 `nghttp2_select_next_protocol()` function to select the HTTP/2
 protocol the library supports::
 
-    static int select_next_proto_cb(SSL* ssl,
-                                    unsigned char **out, unsigned char *outlen,
-                                    const unsigned char *in, unsigned int inlen,
-                                    void *arg)
-    {
-      if(nghttp2_select_next_protocol(out, outlen, in, inlen) <= 0) {
+    static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
+                                    unsigned char *outlen, const unsigned char *in,
+                                    unsigned int inlen, void *arg _U_) {
+      if (nghttp2_select_next_protocol(out, outlen, in, inlen) <= 0) {
         errx(1, "Server did not advertise " NGHTTP2_PROTO_VERSION_ID);
       }
       return SSL_TLSEXT_ERR_OK;
@@ -36,16 +34,16 @@ protocol the library supports::
 The callback is set to the SSL_CTX object using
 ``SSL_CTX_set_next_proto_select_cb()`` function::
 
-    static SSL_CTX* create_ssl_ctx(void)
-    {
+    static SSL_CTX *create_ssl_ctx(void) {
       SSL_CTX *ssl_ctx;
       ssl_ctx = SSL_CTX_new(SSLv23_client_method());
-      if(!ssl_ctx) {
+      if (!ssl_ctx) {
         errx(1, "Could not create SSL/TLS context: %s",
              ERR_error_string(ERR_get_error(), NULL));
       }
       SSL_CTX_set_options(ssl_ctx,
-                          SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_COMPRESSION |
+                          SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+                              SSL_OP_NO_COMPRESSION |
                               SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
       SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
       return ssl_ctx;
@@ -91,25 +89,22 @@ respectively.
 Then we call function ``initiate_connection()`` to start connecting to
 the remote server::
 
-    static void initiate_connection(struct event_base *evbase,
-                                    SSL_CTX *ssl_ctx,
+    static void initiate_connection(struct event_base *evbase, SSL_CTX *ssl_ctx,
                                     const char *host, uint16_t port,
-                                    http2_session_data *session_data)
-    {
+                                    http2_session_data *session_data) {
       int rv;
       struct bufferevent *bev;
       SSL *ssl;
 
       ssl = create_ssl(ssl_ctx);
-      bev = bufferevent_openssl_socket_new(evbase, -1, ssl,
-                                           BUFFEREVENT_SSL_CONNECTING,
-                                           BEV_OPT_DEFER_CALLBACKS |
-                                           BEV_OPT_CLOSE_ON_FREE);
+      bev = bufferevent_openssl_socket_new(
+          evbase, -1, ssl, BUFFEREVENT_SSL_CONNECTING,
+          BEV_OPT_DEFER_CALLBACKS | BEV_OPT_CLOSE_ON_FREE);
       bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
       rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
                                                AF_UNSPEC, host, port);
 
-      if(rv != 0) {
+      if (rv != 0) {
         errx(1, "Could not connect to the remote host %s", host);
       }
       session_data->bev = bev;
@@ -122,10 +117,9 @@ The ``eventcb()`` is invoked by libevent event loop when an event
 (e.g., connection has been established, timeout, etc) happens on the
 underlying network socket::
 
-    static void eventcb(struct bufferevent *bev, short events, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
-      if(events & BEV_EVENT_CONNECTED) {
+    static void eventcb(struct bufferevent *bev, short events, void *ptr) {
+      http2_session_data *session_data = (http2_session_data *)ptr;
+      if (events & BEV_EVENT_CONNECTED) {
         int fd = bufferevent_getfd(bev);
         int val = 1;
         fprintf(stderr, "Connected\n");
@@ -133,16 +127,16 @@ underlying network socket::
         initialize_nghttp2_session(session_data);
         send_client_connection_header(session_data);
         submit_request(session_data);
-        if(session_send(session_data) != 0) {
+        if (session_send(session_data) != 0) {
           delete_http2_session_data(session_data);
         }
         return;
       }
-      if(events & BEV_EVENT_EOF) {
+      if (events & BEV_EVENT_EOF) {
         warnx("Disconnected from the remote host");
-      } else if(events & BEV_EVENT_ERROR) {
+      } else if (events & BEV_EVENT_ERROR) {
         warnx("Network error");
-      } else if(events & BEV_EVENT_TIMEOUT) {
+      } else if (events & BEV_EVENT_TIMEOUT) {
         warnx("Timeout");
       }
       delete_http2_session_data(session_data);
@@ -154,28 +148,27 @@ event, we just simply tear down the connection. The
 finished successfully. We first initialize nghttp2 session object in
 ``initialize_nghttp2_session()`` function::
 
-    static void initialize_nghttp2_session(http2_session_data *session_data)
-    {
+    static void initialize_nghttp2_session(http2_session_data *session_data) {
       nghttp2_session_callbacks *callbacks;
 
       nghttp2_session_callbacks_new(&callbacks);
 
       nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
 
-      nghttp2_session_callbacks_set_on_frame_recv_callback
-        (callbacks, on_frame_recv_callback);
+      nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                           on_frame_recv_callback);
 
-      nghttp2_session_callbacks_set_on_data_chunk_recv_callback
-        (callbacks, on_data_chunk_recv_callback);
+      nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+          callbacks, on_data_chunk_recv_callback);
 
-      nghttp2_session_callbacks_set_on_stream_close_callback
-        (callbacks, on_stream_close_callback);
+      nghttp2_session_callbacks_set_on_stream_close_callback(
+          callbacks, on_stream_close_callback);
 
-      nghttp2_session_callbacks_set_on_header_callback
-        (callbacks, on_header_callback);
+      nghttp2_session_callbacks_set_on_header_callback(callbacks,
+                                                       on_header_callback);
 
-      nghttp2_session_callbacks_set_on_begin_headers_callback
-        (callbacks, on_begin_headers_callback);
+      nghttp2_session_callbacks_set_on_begin_headers_callback(
+          callbacks, on_begin_headers_callback);
 
       nghttp2_session_client_new(&session_data->session, callbacks, session_data);
 
@@ -196,19 +189,16 @@ which is 24 bytes magic byte sequence
 transmission of client connection header is done in
 ``send_client_connection_header()``::
 
-    static void send_client_connection_header(http2_session_data *session_data)
-    {
+    static void send_client_connection_header(http2_session_data *session_data) {
       nghttp2_settings_entry iv[1] = {
-        { NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100 }
-      };
+          {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
       int rv;
 
-      bufferevent_write(session_data->bev,
-                        NGHTTP2_CLIENT_CONNECTION_PREFACE,
+      bufferevent_write(session_data->bev, NGHTTP2_CLIENT_CONNECTION_PREFACE,
                         NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN);
-      rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE,
-                                   iv, ARRLEN(iv));
-      if(rv != 0) {
+      rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE, iv,
+                                   ARRLEN(iv));
+      if (rv != 0) {
         errx(1, "Could not submit SETTINGS: %s", nghttp2_strerror(rv));
       }
     }
@@ -225,24 +215,22 @@ used, which is described about later.
 After the transmission of client connection header, we enqueue HTTP
 request in ``submit_request()`` function::
 
-    static void submit_request(http2_session_data *session_data)
-    {
+    static void submit_request(http2_session_data *session_data) {
       int32_t stream_id;
       http2_stream_data *stream_data = session_data->stream_data;
       const char *uri = stream_data->uri;
       const struct http_parser_url *u = stream_data->u;
       nghttp2_nv hdrs[] = {
           MAKE_NV2(":method", "GET"),
-        MAKE_NV(":scheme",
-                &uri[u->field_data[UF_SCHEMA].off], u->field_data[UF_SCHEMA].len),
+          MAKE_NV(":scheme", &uri[u->field_data[UF_SCHEMA].off],
+                  u->field_data[UF_SCHEMA].len),
           MAKE_NV(":authority", stream_data->authority, stream_data->authoritylen),
-        MAKE_NV(":path", stream_data->path, stream_data->pathlen)
-      };
+          MAKE_NV(":path", stream_data->path, stream_data->pathlen)};
       fprintf(stderr, "Request headers:\n");
       print_headers(stderr, hdrs, ARRLEN(hdrs));
-      stream_id = nghttp2_submit_request(session_data->session, NULL,
-                                         hdrs, ARRLEN(hdrs), NULL, stream_data);
-      if(stream_id < 0) {
+      stream_id = nghttp2_submit_request(session_data->session, NULL, hdrs,
+                                         ARRLEN(hdrs), NULL, stream_data);
+      if (stream_id < 0) {
         errx(1, "Could not submit HTTP request: %s", nghttp2_strerror(stream_id));
       }
 
@@ -261,26 +249,25 @@ this request.
 The next bufferevent callback is ``readcb()``, which is invoked when
 data is available to read in the bufferevent input buffer::
 
-    static void readcb(struct bufferevent *bev, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
+    static void readcb(struct bufferevent *bev, void *ptr) {
+      http2_session_data *session_data = (http2_session_data *)ptr;
       ssize_t readlen;
       struct evbuffer *input = bufferevent_get_input(bev);
       size_t datalen = evbuffer_get_length(input);
       unsigned char *data = evbuffer_pullup(input, -1);
 
       readlen = nghttp2_session_mem_recv(session_data->session, data, datalen);
-      if(readlen < 0) {
+      if (readlen < 0) {
         warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
         delete_http2_session_data(session_data);
         return;
       }
-      if(evbuffer_drain(input, readlen) != 0) {
+      if (evbuffer_drain(input, readlen) != 0) {
         warnx("Fatal error: evbuffer_drain failed");
         delete_http2_session_data(session_data);
         return;
       }
-      if(session_send(session_data) != 0) {
+      if (session_send(session_data) != 0) {
         delete_http2_session_data(session_data);
         return;
       }
@@ -293,12 +280,11 @@ invoke nghttp2 callbacks and also queue frames. Since there may be
 pending frames, we call ``session_send()`` function to send those
 frames. The ``session_send()`` function is defined as follows::
 
-    static int session_send(http2_session_data *session_data)
-    {
+    static int session_send(http2_session_data *session_data) {
       int rv;
 
       rv = nghttp2_session_send(session_data->session);
-      if(rv != 0) {
+      if (rv != 0) {
         warnx("Fatal error: %s", nghttp2_strerror(rv));
         return -1;
       }
@@ -310,11 +296,9 @@ format and call ``send_callback()`` function of type
 :type:`nghttp2_send_callback`.  The ``send_callback()`` is defined as
 follows::
 
-    static ssize_t send_callback(nghttp2_session *session,
-                                 const uint8_t *data, size_t length,
-                                 int flags, void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
+    static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
+                                 size_t length, int flags _U_, void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
       struct bufferevent *bev = session_data->bev;
       bufferevent_write(bev, data, length);
       return length;
@@ -336,10 +320,9 @@ buffered data, see the ``send_callback()`` in the server tutorial.
 The third bufferevent callback is ``writecb()``, which is invoked when
 all data written in the bufferevent output buffer have been sent::
 
-    static void writecb(struct bufferevent *bev, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
-      if(nghttp2_session_want_read(session_data->session) == 0 &&
+    static void writecb(struct bufferevent *bev _U_, void *ptr) {
+      http2_session_data *session_data = (http2_session_data *)ptr;
+      if (nghttp2_session_want_read(session_data->session) == 0 &&
           nghttp2_session_want_write(session_data->session) == 0 &&
           evbuffer_get_length(bufferevent_get_output(session_data->bev)) == 0) {
         delete_http2_session_data(session_data);
@@ -367,17 +350,15 @@ Let's describe remaining nghttp2 callbacks we setup in
 Each request header name/value pair is emitted via
 ``on_header_callback`` function::
 
-    static int on_header_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame,
-                                  const uint8_t *name, size_t namelen,
-                                  const uint8_t *value, size_t valuelen,
-                                  uint8_t flags,
-                                  void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
-      switch(frame->hd.type) {
+    static int on_header_callback(nghttp2_session *session _U_,
+                                  const nghttp2_frame *frame, const uint8_t *name,
+                                  size_t namelen, const uint8_t *value,
+                                  size_t valuelen, uint8_t flags _U_,
+                                  void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
+      switch (frame->hd.type) {
       case NGHTTP2_HEADERS:
-        if(frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+        if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
             session_data->stream_data->stream_id == frame->hd.stream_id) {
           /* Print response headers for the initiated request. */
           print_header(stderr, name, namelen, value, valuelen);
@@ -387,18 +368,17 @@ Each request header name/value pair is emitted via
       return 0;
     }
 
-In this turotial, we just print the name/value pair.
+In this tutorial, we just print the name/value pair.
 
 After all name/value pairs are emitted for a frame,
 ``on_frame_recv_callback`` function is called::
 
-    static int on_frame_recv_callback(nghttp2_session *session,
-                                      const nghttp2_frame *frame, void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
-      switch(frame->hd.type) {
+    static int on_frame_recv_callback(nghttp2_session *session _U_,
+                                      const nghttp2_frame *frame, void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
+      switch (frame->hd.type) {
       case NGHTTP2_HEADERS:
-        if(frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+        if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
             session_data->stream_data->stream_id == frame->hd.stream_id) {
           fprintf(stderr, "All headers received\n");
         }
@@ -415,13 +395,12 @@ its stream ID.
 The ``on_data_chunk_recv_callback()`` function is invoked when a chunk
 of data is received from the remote peer::
 
-    static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
-                                           int32_t stream_id,
+    static int on_data_chunk_recv_callback(nghttp2_session *session _U_,
+                                           uint8_t flags _U_, int32_t stream_id,
                                            const uint8_t *data, size_t len,
-                                           void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
-      if(session_data->stream_data->stream_id == stream_id) {
+                                           void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
+      if (session_data->stream_data->stream_id == stream_id) {
         fwrite(data, len, 1, stdout);
       }
       return 0;
@@ -435,19 +414,17 @@ some binary data.
 The ``on_stream_close_callback()`` function is invoked when the stream
 is about to close::
 
-    static int on_stream_close_callback(nghttp2_session *session,
-                                        int32_t stream_id,
+    static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
                                         nghttp2_error_code error_code,
-                                        void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
+                                        void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
       int rv;
 
-      if(session_data->stream_data->stream_id == stream_id) {
-        fprintf(stderr, "Stream %d closed with error_code=%d\n",
-                stream_id, error_code);
+      if (session_data->stream_data->stream_id == stream_id) {
+        fprintf(stderr, "Stream %d closed with error_code=%d\n", stream_id,
+                error_code);
         rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
-        if(rv != 0) {
+        if (rv != 0) {
           return NGHTTP2_ERR_CALLBACK_FAILURE;
         }
       }

doc/sources/tutorial-hpack.rst

@@ -66,18 +66,6 @@ size of buffer.
 To delete :type:`nghttp2_hd_deflater` object, use `nghttp2_hd_deflate_del()`
 function.
 
-.. note::
-
-   Generally, the order of header fields passed to
-   `nghttp2_hd_deflate_hd()` function is not preserved.  It is known
-   that the relative ordering of header fields which do not share the
-   same name is insignificant.  But some header fields sharing the
-   same name require the explicit ordering.  To preserve this
-   ordering, those header values are concatenated into single header
-   field value using NULL (0x00) as delimiter.  This is transparent to
-   HPACK API.  Therefore, the application should examine the inflated
-   header values and split into multiple header field values by NULL.
-
 Inflating (decoding) headers
 ----------------------------
 

doc/sources/tutorial-server.rst

@@ -29,17 +29,17 @@ time::
     static unsigned char next_proto_list[256];
     static size_t next_proto_list_len;
 
-    static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len,
-                             void *arg)
-    {
+    static int next_proto_cb(SSL *s _U_, const unsigned char **data,
+                             unsigned int *len, void *arg _U_) {
       *data = next_proto_list;
       *len = (unsigned int)next_proto_list_len;
       return SSL_TLSEXT_ERR_OK;
     }
 
-    static SSL_CTX* create_ssl_ctx(const char *key_file, const char *cert_file)
-    {
+    static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
       SSL_CTX *ssl_ctx;
+      EC_KEY *ecdh;
+
       ssl_ctx = SSL_CTX_new(SSLv23_server_method());
 
       ...
@@ -79,7 +79,6 @@ We use the ``http2_session_data`` structure to store session-level
       app_context *app_ctx;
       nghttp2_session *session;
       char *client_addr;
-      size_t handshake_leftlen;
     } http2_session_data;
 
 We use the ``http2_stream_data`` structure to store stream-level data::
@@ -91,24 +90,21 @@ We use the ``http2_stream_data`` structure to store stream-level data::
       int fd;
     } http2_stream_data;
 
-A single HTTP/2 session can have multiple streams.  We manage these multiple
-streams with a doubly linked list. The first element of this list is pointed
-to by the ``root->next`` in ``http2_session_data``.  Initially, ``root->next``
-is ``NULL``.  The ``handshake_leftlen`` member of ``http2_session_data`` is
-used to track the number of bytes remaining when receiving the first client
-connection preface (:macro:`NGHTTP2_CLIENT_CONNECTION_PREFACE`), which is a 24
-bytes long magic string from the client.  We use libevent's bufferevent
-structure to perform network I/O. Note that the bufferevent object is kept in
-``http2_session_data`` and not in ``http2_stream_data``. This is because
-``http2_stream_data`` is just a logical stream multiplexed over the single
-connection managed by bufferevent in ``http2_session_data``.
+A single HTTP/2 session can have multiple streams.  We manage these
+multiple streams with a doubly linked list.  The first element of this
+list is pointed to by the ``root->next`` in ``http2_session_data``.
+Initially, ``root->next`` is ``NULL``.  We use libevent's bufferevent
+structure to perform network I/O.  Note that the bufferevent object is
+kept in ``http2_session_data`` and not in ``http2_stream_data``.  This
+is because ``http2_stream_data`` is just a logical stream multiplexed
+over the single connection managed by bufferevent in
+``http2_session_data``.
 
 We first create a listener object to accept incoming connections.  We use
 libevent's ``struct evconnlistener`` for this purpose::
 
     static void start_listen(struct event_base *evbase, const char *service,
-                             app_context *app_ctx)
-    {
+                             app_context *app_ctx) {
       int rv;
       struct addrinfo hints;
       struct addrinfo *res, *rp;
@@ -119,19 +115,20 @@ libevent's ``struct evconnlistener`` for this purpose::
       hints.ai_flags = AI_PASSIVE;
     #ifdef AI_ADDRCONFIG
       hints.ai_flags |= AI_ADDRCONFIG;
-    #endif // AI_ADDRCONFIG
+    #endif /* AI_ADDRCONFIG */
 
       rv = getaddrinfo(NULL, service, &hints, &res);
-      if(rv != 0) {
+      if (rv != 0) {
         errx(1, NULL);
       }
-      for(rp = res; rp; rp = rp->ai_next) {
+      for (rp = res; rp; rp = rp->ai_next) {
         struct evconnlistener *listener;
-        listener = evconnlistener_new_bind(evbase, acceptcb, app_ctx,
-                                           LEV_OPT_CLOSE_ON_FREE |
-                                           LEV_OPT_REUSEABLE, -1,
-                                           rp->ai_addr, rp->ai_addrlen);
-        if(listener) {
+        listener = evconnlistener_new_bind(
+            evbase, acceptcb, app_ctx, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE,
+            16, rp->ai_addr, rp->ai_addrlen);
+        if (listener) {
+          freeaddrinfo(res);
+
           return;
         }
       }
@@ -141,134 +138,113 @@ libevent's ``struct evconnlistener`` for this purpose::
 We specify the ``acceptcb`` callback which is called when a new connection is
 accepted::
 
-    static void acceptcb(struct evconnlistener *listener, int fd,
-                         struct sockaddr *addr, int addrlen, void *arg)
-    {
-      app_context *app_ctx = (app_context*)arg;
+    static void acceptcb(struct evconnlistener *listener _U_, int fd,
+                         struct sockaddr *addr, int addrlen, void *arg) {
+      app_context *app_ctx = (app_context *)arg;
       http2_session_data *session_data;
 
       session_data = create_http2_session_data(app_ctx, fd, addr, addrlen);
-      bufferevent_setcb(session_data->bev, handshake_readcb, NULL, eventcb,
-                        session_data);
+
+      bufferevent_setcb(session_data->bev, readcb, writecb, eventcb, session_data);
     }
 
-Here we create the ``http2_session_data`` object. The bufferevent for this
-connection is also initialized at this time. We specify two callbacks for the
-bufferevent: ``handshake_readcb`` and ``eventcb``.
+Here we create the ``http2_session_data`` object. The bufferevent for
+this connection is also initialized at this time. We specify three
+callbacks for the bufferevent: ``readcb``, ``writecb`` and
+``eventcb``.
 
 The ``eventcb()`` callback is invoked by the libevent event loop when an event
 (e.g., connection has been established, timeout, etc) happens on the
 underlying network socket::
 
-    static void eventcb(struct bufferevent *bev, short events, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
-      if(events & BEV_EVENT_CONNECTED) {
+    static void eventcb(struct bufferevent *bev _U_, short events, void *ptr) {
+      http2_session_data *session_data = (http2_session_data *)ptr;
+      if (events & BEV_EVENT_CONNECTED) {
         fprintf(stderr, "%s connected\n", session_data->client_addr);
+
+        initialize_nghttp2_session(session_data);
+
+        if (send_server_connection_header(session_data) != 0) {
+          delete_http2_session_data(session_data);
           return;
         }
-      if(events & BEV_EVENT_EOF) {
+
+        return;
+      }
+      if (events & BEV_EVENT_EOF) {
         fprintf(stderr, "%s EOF\n", session_data->client_addr);
-      } else if(events & BEV_EVENT_ERROR) {
+      } else if (events & BEV_EVENT_ERROR) {
         fprintf(stderr, "%s network error\n", session_data->client_addr);
-      } else if(events & BEV_EVENT_TIMEOUT) {
+      } else if (events & BEV_EVENT_TIMEOUT) {
         fprintf(stderr, "%s timeout\n", session_data->client_addr);
       }
       delete_http2_session_data(session_data);
     }
 
-For the ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR`` and ``BEV_EVENT_TIMEOUT``
-events, we just simply tear down the connection. The
-``delete_http2_session_data()`` function destroys the ``http2_session_data``
-object and thus also its bufferevent member. As a result, the underlying
-connection is closed.  The ``BEV_EVENT_CONNECTED`` event is invoked when
-SSL/TLS handshake is finished successfully.
-
-``handshake_readcb()`` is a callback function to handle a 24 bytes magic byte
-string coming from a client, since the nghttp2 library does not handle it::
-
-    static void handshake_readcb(struct bufferevent *bev, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
-      uint8_t data[24];
-      struct evbuffer *input = bufferevent_get_input(session_data->bev);
-      int readlen = evbuffer_remove(input, data, session_data->handshake_leftlen);
-      const char *conhead = NGHTTP2_CLIENT_CONNECTION_PREFACE;
-
-      if(memcmp(conhead + NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN
-                - session_data->handshake_leftlen, data, readlen) != 0) {
-        delete_http2_session_data(session_data);
-        return;
-      }
-      session_data->handshake_leftlen -= readlen;
-      if(session_data->handshake_leftlen == 0) {
-        bufferevent_setcb(session_data->bev, readcb, writecb, eventcb, ptr);
-        /* Process pending data in buffer since they are not notified
-           further */
-        initialize_nghttp2_session(session_data);
-        if(send_server_connection_header(session_data) != 0) {
-          delete_http2_session_data(session_data);
-          return;
-        }
-        if(session_recv(session_data) != 0) {
-          delete_http2_session_data(session_data);
-          return;
-        }
-      }
-    }
-
-We check that the received byte string matches
-:macro:`NGHTTP2_CLIENT_CONNECTION_PREFACE`.  When they match, the connection
-state is ready to start the HTTP/2 communication. First we change the callback
-functions for the bufferevent object. We use the same ``eventcb`` callback as
-before, but we specify new ``readcb`` and ``writecb`` functions to handle the
-HTTP/2 communication. These two functions are described later.
+For the ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR`` and
+``BEV_EVENT_TIMEOUT`` events, we just simply tear down the connection.
+The ``delete_http2_session_data()`` function destroys the
+``http2_session_data`` object and thus also its bufferevent member.
+As a result, the underlying connection is closed.  The
+``BEV_EVENT_CONNECTED`` event is invoked when SSL/TLS handshake is
+finished successfully.  Now we are ready to start the HTTP/2
+communication.
 
 We initialize a nghttp2 session object which is done in
 ``initialize_nghttp2_session()``::
 
-    static void initialize_nghttp2_session(http2_session_data *session_data)
-    {
+    static void initialize_nghttp2_session(http2_session_data *session_data) {
+      nghttp2_option *option;
       nghttp2_session_callbacks *callbacks;
 
+      nghttp2_option_new(&option);
+
+      /* Tells nghttp2_session object that it handles client connection
+         preface */
+      nghttp2_option_set_recv_client_preface(option, 1);
+
       nghttp2_session_callbacks_new(&callbacks);
 
       nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
 
-      nghttp2_session_callbacks_set_on_frame_recv_callback
-        (callbacks, on_frame_recv_callback);
+      nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                           on_frame_recv_callback);
 
-      nghttp2_session_callbacks_set_on_stream_close_callback
-        (callbacks, on_stream_close_callback);
+      nghttp2_session_callbacks_set_on_stream_close_callback(
+          callbacks, on_stream_close_callback);
 
-      nghttp2_session_callbacks_set_on_header_callback
-        (callbacks, on_header_callback);
+      nghttp2_session_callbacks_set_on_header_callback(callbacks,
+                                                       on_header_callback);
 
-      nghttp2_session_callbacks_set_on_begin_headers_callback
-        (callbacks, on_begin_headers_callback);
+      nghttp2_session_callbacks_set_on_begin_headers_callback(
+          callbacks, on_begin_headers_callback);
 
-      nghttp2_session_server_new(&session_data->session, callbacks, session_data);
+      nghttp2_session_server_new2(&session_data->session, callbacks, session_data,
+                                  option);
 
       nghttp2_session_callbacks_del(callbacks);
+      nghttp2_option_del(option);
     }
 
-Since we are creating a server, the nghttp2 session object is created using
-`nghttp2_session_server_new()` function. We registers five callbacks for
-nghttp2 session object. We'll talk about these callbacks later.
+Since we are creating a server and uses options, the nghttp2 session
+object is created using `nghttp2_session_server_new2()` function.  We
+registers five callbacks for nghttp2 session object.  We'll talk about
+these callbacks later.  Our server only speaks HTTP/2.  In this case,
+we use `nghttp2_option_set_recv_client_preface()` to make
+:type:`nghttp2_session` object handle client connection preface, which
+saves some lines of application code.
 
 After initialization of the nghttp2 session object, we are going to send
 a server connection header in ``send_server_connection_header()``::
 
-    static int send_server_connection_header(http2_session_data *session_data)
-    {
+    static int send_server_connection_header(http2_session_data *session_data) {
       nghttp2_settings_entry iv[1] = {
-        { NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100 }
-      };
+          {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
       int rv;
 
-      rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE,
-                                   iv, ARRLEN(iv));
-      if(rv != 0) {
+      rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE, iv,
+                                   ARRLEN(iv));
+      if (rv != 0) {
         warnx("Fatal error: %s", nghttp2_strerror(rv));
         return -1;
       }
@@ -289,23 +265,22 @@ have to process them here since libevent won't invoke callback functions for
 this pending data. To process the received data, we call the
 ``session_recv()`` function::
 
-    static int session_recv(http2_session_data *session_data)
-    {
+    static int session_recv(http2_session_data *session_data) {
       ssize_t readlen;
       struct evbuffer *input = bufferevent_get_input(session_data->bev);
       size_t datalen = evbuffer_get_length(input);
       unsigned char *data = evbuffer_pullup(input, -1);
 
       readlen = nghttp2_session_mem_recv(session_data->session, data, datalen);
-      if(readlen < 0) {
+      if (readlen < 0) {
         warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
         return -1;
       }
-      if(evbuffer_drain(input, readlen) != 0) {
+      if (evbuffer_drain(input, readlen) != 0) {
         warnx("Fatal error: evbuffer_drain failed");
         return -1;
       }
-      if(session_send(session_data) != 0) {
+      if (session_send(session_data) != 0) {
         return -1;
       }
       return 0;
@@ -318,11 +293,10 @@ nghttp2 callbacks and also queue outgoing frames. Since there may be pending
 outgoing frames, we call ``session_send()`` function to send off those
 frames. The ``session_send()`` function is defined as follows::
 
-    static int session_send(http2_session_data *session_data)
-    {
+    static int session_send(http2_session_data *session_data) {
       int rv;
       rv = nghttp2_session_send(session_data->session);
-      if(rv != 0) {
+      if (rv != 0) {
         warnx("Fatal error: %s", nghttp2_strerror(rv));
         return -1;
       }
@@ -334,14 +308,12 @@ format and calls ``send_callback()`` of type
 :type:`nghttp2_send_callback`.  The ``send_callback()`` is defined as
 follows::
 
-    static ssize_t send_callback(nghttp2_session *session,
-                                 const uint8_t *data, size_t length,
-                                 int flags, void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
+    static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
+                                 size_t length, int flags _U_, void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
       struct bufferevent *bev = session_data->bev;
       /* Avoid excessive buffering in server side. */
-      if(evbuffer_get_length(bufferevent_get_output(session_data->bev)) >=
+      if (evbuffer_get_length(bufferevent_get_output(session_data->bev)) >=
           OUTPUT_WOULDBLOCK_THRESHOLD) {
         return NGHTTP2_ERR_WOULDBLOCK;
       }
@@ -367,10 +339,9 @@ calling send_callback.
 The next bufferevent callback is ``readcb()``, which is invoked when
 data is available to read in the bufferevent input buffer::
 
-    static void readcb(struct bufferevent *bev, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
-      if(session_recv(session_data) != 0) {
+    static void readcb(struct bufferevent *bev _U_, void *ptr) {
+      http2_session_data *session_data = (http2_session_data *)ptr;
+      if (session_recv(session_data) != 0) {
         delete_http2_session_data(session_data);
         return;
       }
@@ -382,18 +353,17 @@ data.
 The third bufferevent callback is ``writecb()``, which is invoked when all
 data in the bufferevent output buffer has been sent::
 
-    static void writecb(struct bufferevent *bev, void *ptr)
-    {
-      http2_session_data *session_data = (http2_session_data*)ptr;
-      if(evbuffer_get_length(bufferevent_get_output(bev)) > 0) {
+    static void writecb(struct bufferevent *bev, void *ptr) {
+      http2_session_data *session_data = (http2_session_data *)ptr;
+      if (evbuffer_get_length(bufferevent_get_output(bev)) > 0) {
         return;
       }
-      if(nghttp2_session_want_read(session_data->session) == 0 &&
+      if (nghttp2_session_want_read(session_data->session) == 0 &&
           nghttp2_session_want_write(session_data->session) == 0) {
         delete_http2_session_data(session_data);
         return;
       }
-      if(session_send(session_data) != 0) {
+      if (session_send(session_data) != 0) {
         delete_http2_session_data(session_data);
         return;
       }
@@ -424,12 +394,11 @@ a header block in HEADERS or PUSH_PROMISE frame is started::
 
     static int on_begin_headers_callback(nghttp2_session *session,
                                          const nghttp2_frame *frame,
-                                         void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
+                                         void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
       http2_stream_data *stream_data;
 
-      if(frame->hd.type != NGHTTP2_HEADERS ||
+      if (frame->hd.type != NGHTTP2_HEADERS ||
           frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
         return 0;
       }
@@ -453,26 +422,26 @@ emitted via ``on_header_callback`` function, which is called after
 ``on_begin_headers_callback()``::
 
     static int on_header_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame,
-                                  const uint8_t *name, size_t namelen,
-                                  const uint8_t *value, size_t valuelen,
-                                  void *user_data)
-    {
+                                  const nghttp2_frame *frame, const uint8_t *name,
+                                  size_t namelen, const uint8_t *value,
+                                  size_t valuelen, uint8_t flags _U_,
+                                  void *user_data _U_) {
       http2_stream_data *stream_data;
       const char PATH[] = ":path";
-      switch(frame->hd.type) {
+      switch (frame->hd.type) {
       case NGHTTP2_HEADERS:
-        if(frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
+        if (frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
           break;
         }
-        stream_data = nghttp2_session_get_stream_user_data(session,
-                                                           frame->hd.stream_id);
-        if(!stream_data || stream_data->request_path) {
+        stream_data =
+            nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
+        if (!stream_data || stream_data->request_path) {
           break;
         }
-        if(namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
+        if (namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
           size_t j;
-          for(j = 0; j < valuelen && value[j] != '?'; ++j);
+          for (j = 0; j < valuelen && value[j] != '?'; ++j)
+            ;
           stream_data->request_path = percent_decode(value, j);
         }
         break;
@@ -489,20 +458,19 @@ The ``on_frame_recv_callback()`` function is invoked when a frame is
 fully received::
 
     static int on_frame_recv_callback(nghttp2_session *session,
-                                      const nghttp2_frame *frame, void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
+                                      const nghttp2_frame *frame, void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
       http2_stream_data *stream_data;
-      switch(frame->hd.type) {
+      switch (frame->hd.type) {
       case NGHTTP2_DATA:
       case NGHTTP2_HEADERS:
         /* Check that the client request has finished */
-        if(frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
-          stream_data = nghttp2_session_get_stream_user_data(session,
-                                                             frame->hd.stream_id);
+        if (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
+          stream_data =
+              nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
           /* For DATA and HEADERS frame, this callback may be called after
              on_stream_close_callback. Check that stream still alive. */
-          if(!stream_data) {
+          if (!stream_data) {
             return 0;
           }
           return on_request_recv(session, session_data, stream_data);
@@ -525,15 +493,14 @@ header.
 Sending the content of the file is done in ``send_response()`` function::
 
     static int send_response(nghttp2_session *session, int32_t stream_id,
-                             nghttp2_nv *nva, size_t nvlen, int fd)
-    {
+                             nghttp2_nv *nva, size_t nvlen, int fd) {
       int rv;
       nghttp2_data_provider data_prd;
       data_prd.source.fd = fd;
       data_prd.read_callback = file_read_callback;
 
       rv = nghttp2_submit_response(session, stream_id, nva, nvlen, &data_prd);
-      if(rv != 0) {
+      if (rv != 0) {
         warnx("Fatal error: %s", nghttp2_strerror(rv));
         return -1;
       }
@@ -547,18 +514,19 @@ intended to be used as file descriptor. In this example server, we use
 the file descriptor. We also set the ``file_read_callback()`` callback
 function to read the contents of the file::
 
-    static ssize_t file_read_callback
-    (nghttp2_session *session, int32_t stream_id,
-     uint8_t *buf, size_t length, uint32_t *data_flags,
-     nghttp2_data_source *source, void *user_data)
-    {
+    static ssize_t file_read_callback(nghttp2_session *session _U_,
+                                      int32_t stream_id _U_, uint8_t *buf,
+                                      size_t length, uint32_t *data_flags,
+                                      nghttp2_data_source *source,
+                                      void *user_data _U_) {
       int fd = source->fd;
       ssize_t r;
-      while((r = read(fd, buf, length)) == -1 && errno == EINTR);
-      if(r == -1) {
+      while ((r = read(fd, buf, length)) == -1 && errno == EINTR)
+        ;
+      if (r == -1) {
         return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
       }
-      if(r == 0) {
+      if (r == 0) {
         *data_flags |= NGHTTP2_DATA_FLAG_EOF;
       }
       return r;
@@ -576,16 +544,13 @@ remote peer.
 The ``on_stream_close_callback()`` function is invoked when the stream
 is about to close::
 
-    static int on_stream_close_callback(nghttp2_session *session,
-                                        int32_t stream_id,
-                                        nghttp2_error_code error_code,
-                                        void *user_data)
-    {
-      http2_session_data *session_data = (http2_session_data*)user_data;
+    static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                        uint32_t error_code _U_, void *user_data) {
+      http2_session_data *session_data = (http2_session_data *)user_data;
       http2_stream_data *stream_data;
 
       stream_data = nghttp2_session_get_stream_user_data(session, stream_id);
-      if(!stream_data) {
+      if (!stream_data) {
         return 0;
       }
       remove_stream(session_data, stream_data);

examples/.gitignore

@@ -2,3 +2,7 @@ client
 libevent-client
 libevent-server
 deflate
+asio-sv
+tiny-nghttpd
+asio-sv2
+asio-sv3

examples/Makefile.am

@@ -23,20 +23,20 @@
 
 if ENABLE_EXAMPLES
 
+AM_CFLAGS = $(WARNCFLAGS)
 AM_CPPFLAGS = \
 	-Wall \
 	-I$(top_srcdir)/lib/includes \
 	-I$(top_builddir)/lib/includes \
+	-I$(top_srcdir)/src/includes \
 	-I$(top_srcdir)/third-party \
 	@LIBEVENT_OPENSSL_CFLAGS@ \
 	@OPENSSL_CFLAGS@ \
 	@DEFS@
-AM_LDFLAGS = \
+LDADD = $(top_builddir)/lib/libnghttp2.la \
+	$(top_builddir)/third-party/libhttp-parser.la \
 	@LIBEVENT_OPENSSL_LIBS@ \
 	@OPENSSL_LIBS@
-LDADD = \
-	$(top_builddir)/lib/libnghttp2.la \
-	$(top_builddir)/third-party/libhttp-parser.la
 
 noinst_PROGRAMS = client libevent-client libevent-server deflate
 
@@ -48,4 +48,33 @@ libevent_server_SOURCES = libevent-server.c
 
 deflate_SOURCES = deflate.c
 
+if ENABLE_TINY_NGHTTPD
+
+noinst_PROGRAMS += tiny-nghttpd
+
+tiny_nghttpd_SOURCES = tiny-nghttpd.c
+
+endif # ENABLE_TINY_NGHTTPD
+
+if ENABLE_ASIO_LIB
+
+noinst_PROGRAMS += asio-sv asio-sv2 asio-sv3
+
+ASIOCPPFLAGS = ${BOOST_CPPFLAGS} ${AM_CPPFLAGS}
+ASIOLDADD = $(top_builddir)/src/libnghttp2_asio.la @JEMALLOC_LIBS@
+
+asio_sv_SOURCES = asio-sv.cc
+asio_sv_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv_LDADD = ${ASIOLDADD}
+
+asio_sv2_SOURCES = asio-sv2.cc
+asio_sv2_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv2_LDADD = ${ASIOLDADD}
+
+asio_sv3_SOURCES = asio-sv3.cc
+asio_sv3_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv3_LDADD = ${ASIOLDADD}
+
+endif # ENABLE_ASIO_LIB
+
 endif # ENABLE_EXAMPLES

examples/asio-sv.cc

@@ -0,0 +1,75 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+// We wrote this code based on the original code which has the
+// following license:
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <string>
+
+#include <nghttp2/asio_http2.h>
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::server;
+
+int main(int argc, char *argv[]) {
+  try {
+    // Check command line arguments.
+    if (argc < 3) {
+      std::cerr << "Usage: asio-sv <port> <threads> <private-key-file> "
+                << "<cert-file>\n";
+      return 1;
+    }
+
+    uint16_t port = std::stoi(argv[1]);
+    std::size_t num_threads = std::stoi(argv[2]);
+
+    http2 server;
+
+    server.num_threads(num_threads);
+
+    if (argc >= 5) {
+      server.tls(argv[3], argv[4]);
+    }
+
+    server.listen("*", port, [](const std::shared_ptr<request> &req,
+                                const std::shared_ptr<response> &res) {
+      res->write_head(200, {header{"foo", "bar"}});
+      res->end("hello, world");
+    });
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

examples/asio-sv2.cc

@@ -0,0 +1,107 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+// We wrote this code based on the original code which has the
+// following license:
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <iostream>
+#include <string>
+
+#include <nghttp2/asio_http2.h>
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::server;
+
+int main(int argc, char *argv[]) {
+  try {
+    // Check command line arguments.
+    if (argc < 4) {
+      std::cerr << "Usage: asio-sv2 <port> <threads> <doc-root> "
+                << "<private-key-file> <cert-file>\n";
+      return 1;
+    }
+
+    uint16_t port = std::stoi(argv[1]);
+    std::size_t num_threads = std::stoi(argv[2]);
+    std::string docroot = argv[3];
+
+    http2 server;
+
+    server.num_threads(num_threads);
+
+    if (argc >= 6) {
+      server.tls(argv[4], argv[5]);
+    }
+
+    server.listen("*", port, [&docroot](const std::shared_ptr<request> &req,
+                                        const std::shared_ptr<response> &res) {
+      auto path = percent_decode(req->path());
+      if (!check_path(path)) {
+        res->write_head(404);
+        res->end();
+        return;
+      }
+
+      if (path == "/") {
+        path = "/index.html";
+      }
+
+      path = docroot + path;
+      auto fd = open(path.c_str(), O_RDONLY);
+      if (fd == -1) {
+        res->write_head(404);
+        res->end();
+        return;
+      }
+
+      auto headers = std::vector<header>();
+
+      struct stat stbuf;
+      if (stat(path.c_str(), &stbuf) == 0) {
+        headers.push_back(
+            header{"content-length", std::to_string(stbuf.st_size)});
+        headers.push_back(
+            header{"last-modified", http_date(stbuf.st_mtim.tv_sec)});
+      }
+      res->write_head(200, std::move(headers));
+      res->end(file_reader_from_fd(fd));
+    });
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

examples/asio-sv3.cc

@@ -0,0 +1,142 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+// We wrote this code based on the original code which has the
+// following license:
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include <unistd.h>
+#include <iostream>
+#include <string>
+#include <deque>
+
+#include <nghttp2/asio_http2.h>
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::server;
+
+int main(int argc, char *argv[]) {
+  try {
+    // Check command line arguments.
+    if (argc < 4) {
+      std::cerr << "Usage: asio-sv3 <port> <threads> <tasks> "
+                << " <private-key-file> <cert-file>\n";
+      return 1;
+    }
+
+    uint16_t port = std::stoi(argv[1]);
+    std::size_t num_threads = std::stoi(argv[2]);
+    std::size_t num_concurrent_tasks = std::stoi(argv[3]);
+
+    http2 server;
+
+    server.num_threads(num_threads);
+
+    if (argc >= 5) {
+      server.tls(argv[4], argv[5]);
+    }
+
+    server.num_concurrent_tasks(num_concurrent_tasks);
+
+    server.listen("*", port, [](const std::shared_ptr<request> &req,
+                                const std::shared_ptr<response> &res) {
+      res->write_head(200);
+
+      auto msgq = std::make_shared<std::deque<std::string>>();
+
+      res->end([msgq](uint8_t * buf, std::size_t len)
+                   -> std::pair<ssize_t, bool> {
+        if (msgq->empty()) {
+          // if msgq is empty, tells the library that don't call
+          // this callback until we call res->resume().  This is
+          // done by returing std::make_pair(0, false).
+          return std::make_pair(0, false);
+        }
+        auto msg = std::move(msgq->front());
+        msgq->pop_front();
+
+        if (msg.empty()) {
+          // The empty message signals the end of response in
+          // this simple protocol.
+          return std::make_pair(0, true);
+        }
+
+        auto nwrite = std::min(len, msg.size());
+        std::copy(std::begin(msg), std::begin(msg) + nwrite, buf);
+        if (msg.size() > nwrite) {
+          msgq->push_front(msg.substr(nwrite));
+        }
+        return std::make_pair(nwrite, false);
+      });
+
+      req->run_task([res, msgq](channel &channel) {
+        // executed in different thread from request callback
+        // was called.
+
+        // Using res and msgq is not safe inside this callback.
+        // But using them in callback passed to channel::post is
+        // safe.
+
+        // We just emit simple message "message N\n" in every 1
+        // second and 3 times in total.
+        for (std::size_t i = 0; i < 3; ++i) {
+          msgq->push_back("message " + std::to_string(i + 1) + "\n");
+
+          channel.post([res]() {
+            // executed in same thread where
+            // request callback was called.
+
+            // Tells library we have new message.
+            res->resume();
+          });
+
+          sleep(1);
+        }
+
+        // Send empty message to signal the end of response
+        // body.
+        msgq->push_back("");
+
+        channel.post([res]() {
+          // executed in same thread where request
+          // callback was called.
+          res->resume();
+        });
+
+      });
+
+    });
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

examples/client.c

@@ -26,6 +26,10 @@
  * This program is written to show how to use nghttp2 API in C and
  * intentionally made simple.
  */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
 #include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -46,19 +50,19 @@
 #include <openssl/err.h>
 #include <openssl/conf.h>
 
-enum {
-  IO_NONE,
-  WANT_READ,
-  WANT_WRITE
-};
+enum { IO_NONE, WANT_READ, WANT_WRITE };
 
 #define MAKE_NV(NAME, VALUE)                                                   \
-  {(uint8_t*)NAME, (uint8_t*)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1, \
-      NGHTTP2_NV_FLAG_NONE}
+  {                                                                            \
+    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,   \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
 
 #define MAKE_NV_CS(NAME, VALUE)                                                \
-  {(uint8_t*)NAME, (uint8_t*)VALUE, sizeof(NAME) - 1, strlen(VALUE),    \
-      NGHTTP2_NV_FLAG_NONE}
+  {                                                                            \
+    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, strlen(VALUE),       \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
 
 struct Connection {
   SSL *ssl;
@@ -99,10 +103,9 @@ struct URI {
  * Returns copy of string |s| with the length |len|. The returned
  * string is NULL-terminated.
  */
-static char* strcopy(const char *s, size_t len)
-{
+static char *strcopy(const char *s, size_t len) {
   char *dst;
-  dst = malloc(len+1);
+  dst = malloc(len + 1);
   memcpy(dst, s, len);
   dst[len] = '\0';
   return dst;
@@ -111,8 +114,7 @@ static char* strcopy(const char *s, size_t len)
 /*
  * Prints error message |msg| and exit.
  */
-static void die(const char *msg)
-{
+static void die(const char *msg) {
   fprintf(stderr, "FATAL: %s\n", msg);
   exit(EXIT_FAILURE);
 }
@@ -121,8 +123,7 @@ static void die(const char *msg)
  * Prints error containing the function name |func| and message |msg|
  * and exit.
  */
-static void dief(const char *func, const char *msg)
-{
+static void dief(const char *func, const char *msg) {
   fprintf(stderr, "FATAL: %s: %s\n", func, msg);
   exit(EXIT_FAILURE);
 }
@@ -131,8 +132,7 @@ static void dief(const char *func, const char *msg)
  * Prints error containing the function name |func| and error code
  * |error_code| and exit.
  */
-static void diec(const char *func, int error_code)
-{
+static void diec(const char *func, int error_code) {
   fprintf(stderr, "FATAL: %s: error_code=%d, msg=%s\n", func, error_code,
           nghttp2_strerror(error_code));
   exit(EXIT_FAILURE);
@@ -144,21 +144,19 @@ static void diec(const char *func, int error_code)
  * bytes actually written. See the documentation of
  * nghttp2_send_callback for the details.
  */
-static ssize_t send_callback(nghttp2_session *session,
-                             const uint8_t *data, size_t length, int flags,
-                             void *user_data)
-{
+static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
+                             size_t length, int flags _U_, void *user_data) {
   struct Connection *connection;
   int rv;
-  connection = (struct Connection*)user_data;
+  connection = (struct Connection *)user_data;
   connection->want_io = IO_NONE;
   ERR_clear_error();
   rv = SSL_write(connection->ssl, data, (int)length);
-  if(rv < 0) {
+  if (rv <= 0) {
     int err = SSL_get_error(connection->ssl, rv);
-    if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) {
-      connection->want_io = (err == SSL_ERROR_WANT_READ ?
-                             WANT_READ : WANT_WRITE);
+    if (err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) {
+      connection->want_io =
+          (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE);
       rv = NGHTTP2_ERR_WOULDBLOCK;
     } else {
       rv = NGHTTP2_ERR_CALLBACK_FAILURE;
@@ -173,41 +171,39 @@ static ssize_t send_callback(nghttp2_session *session,
  * |length| bytes. Returns the number of bytes stored in |buf|. See
  * the documentation of nghttp2_recv_callback for the details.
  */
-static ssize_t recv_callback(nghttp2_session *session,
-                             uint8_t *buf, size_t length, int flags,
-                             void *user_data)
-{
+static ssize_t recv_callback(nghttp2_session *session _U_, uint8_t *buf,
+                             size_t length, int flags _U_, void *user_data) {
   struct Connection *connection;
   int rv;
-  connection = (struct Connection*)user_data;
+  connection = (struct Connection *)user_data;
   connection->want_io = IO_NONE;
   ERR_clear_error();
   rv = SSL_read(connection->ssl, buf, (int)length);
-  if(rv < 0) {
+  if (rv < 0) {
     int err = SSL_get_error(connection->ssl, rv);
-    if(err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) {
-      connection->want_io = (err == SSL_ERROR_WANT_READ ?
-                             WANT_READ : WANT_WRITE);
+    if (err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) {
+      connection->want_io =
+          (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE);
       rv = NGHTTP2_ERR_WOULDBLOCK;
     } else {
       rv = NGHTTP2_ERR_CALLBACK_FAILURE;
     }
-  } else if(rv == 0) {
+  } else if (rv == 0) {
     rv = NGHTTP2_ERR_EOF;
   }
   return rv;
 }
 
 static int on_frame_send_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame, void *user_data)
-{
+                                  const nghttp2_frame *frame,
+                                  void *user_data _U_) {
   size_t i;
-  switch(frame->hd.type) {
+  switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
-    if(nghttp2_session_get_stream_user_data(session, frame->hd.stream_id)) {
+    if (nghttp2_session_get_stream_user_data(session, frame->hd.stream_id)) {
       const nghttp2_nv *nva = frame->headers.nva;
       printf("[INFO] C ----------------------------> S (HEADERS)\n");
-      for(i = 0; i < frame->headers.nvlen; ++i) {
+      for (i = 0; i < frame->headers.nvlen; ++i) {
         fwrite(nva[i].name, nva[i].namelen, 1, stdout);
         printf(": ");
         fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
@@ -226,18 +222,18 @@ static int on_frame_send_callback(nghttp2_session *session,
 }
 
 static int on_frame_recv_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame, void *user_data)
-{
+                                  const nghttp2_frame *frame,
+                                  void *user_data _U_) {
   size_t i;
-  switch(frame->hd.type) {
+  switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
-    if(frame->headers.cat == NGHTTP2_HCAT_RESPONSE) {
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE) {
       const nghttp2_nv *nva = frame->headers.nva;
       struct Request *req;
       req = nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
-      if(req) {
+      if (req) {
         printf("[INFO] C <---------------------------- S (HEADERS)\n");
-        for(i = 0; i < frame->headers.nvlen; ++i) {
+        for (i = 0; i < frame->headers.nvlen; ++i) {
           fwrite(nva[i].name, nva[i].namelen, 1, stdout);
           printf(": ");
           fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
@@ -262,18 +258,16 @@ static int on_frame_recv_callback(nghttp2_session *session,
  * fetch 1 resource in this program, after reception of the response,
  * we submit GOAWAY and close the session.
  */
-static int on_stream_close_callback(nghttp2_session *session,
-                                    int32_t stream_id,
-                                    nghttp2_error_code error_code,
-                                    void *user_data)
-{
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                    uint32_t error_code _U_,
+                                    void *user_data _U_) {
   struct Request *req;
   req = nghttp2_session_get_stream_user_data(session, stream_id);
-  if(req) {
+  if (req) {
     int rv;
     rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
 
-    if(rv != 0) {
+    if (rv != 0) {
       diec("nghttp2_session_terminate_session", rv);
     }
   }
@@ -286,16 +280,16 @@ static int on_stream_close_callback(nghttp2_session *session,
  * The implementation of nghttp2_on_data_chunk_recv_callback type. We
  * use this function to print the received response body.
  */
-static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
-                                       int32_t stream_id,
+static int on_data_chunk_recv_callback(nghttp2_session *session,
+                                       uint8_t flags _U_, int32_t stream_id,
                                        const uint8_t *data, size_t len,
-                                       void *user_data)
-{
+                                       void *user_data _U_) {
   struct Request *req;
   req = nghttp2_session_get_stream_user_data(session, stream_id);
-  if(req) {
+  if (req) {
     printf("[INFO] C <---------------------------- S (DATA chunk)\n"
-           "%lu bytes\n", (unsigned long int)len);
+           "%lu bytes\n",
+           (unsigned long int)len);
     fwrite(data, 1, len, stdout);
     printf("\n");
   }
@@ -308,23 +302,22 @@ static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
  * always required. Since we use nghttp2_session_recv(), the
  * recv_callback is also required.
  */
-static void setup_nghttp2_callbacks(nghttp2_session_callbacks *callbacks)
-{
+static void setup_nghttp2_callbacks(nghttp2_session_callbacks *callbacks) {
   nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
 
   nghttp2_session_callbacks_set_recv_callback(callbacks, recv_callback);
 
-  nghttp2_session_callbacks_set_on_frame_send_callback
-    (callbacks, on_frame_send_callback);
+  nghttp2_session_callbacks_set_on_frame_send_callback(callbacks,
+                                                       on_frame_send_callback);
 
-  nghttp2_session_callbacks_set_on_frame_recv_callback
-    (callbacks, on_frame_recv_callback);
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
 
-  nghttp2_session_callbacks_set_on_stream_close_callback
-    (callbacks, on_stream_close_callback);
+  nghttp2_session_callbacks_set_on_stream_close_callback(
+      callbacks, on_stream_close_callback);
 
-  nghttp2_session_callbacks_set_on_data_chunk_recv_callback
-    (callbacks, on_data_chunk_recv_callback);
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+      callbacks, on_data_chunk_recv_callback);
 }
 
 /*
@@ -332,16 +325,14 @@ static void setup_nghttp2_callbacks(nghttp2_session_callbacks *callbacks)
  * HTTP/2 protocol, if server does not offer HTTP/2 the nghttp2
  * library supports, we terminate program.
  */
-static int select_next_proto_cb(SSL* ssl,
-                                unsigned char **out, unsigned char *outlen,
-                                const unsigned char *in, unsigned int inlen,
-                                void *arg)
-{
+static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg _U_) {
   int rv;
   /* nghttp2_select_next_protocol() selects HTTP/2 protocol the
      nghttp2 library supports. */
   rv = nghttp2_select_next_protocol(out, outlen, in, inlen);
-  if(rv <= 0) {
+  if (rv <= 0) {
     die("Server did not advertise HTTP/2 protocol");
   }
   return SSL_TLSEXT_ERR_OK;
@@ -350,25 +341,23 @@ static int select_next_proto_cb(SSL* ssl,
 /*
  * Setup SSL/TLS context.
  */
-static void init_ssl_ctx(SSL_CTX *ssl_ctx)
-{
+static void init_ssl_ctx(SSL_CTX *ssl_ctx) {
   /* Disable SSLv2 and enable all workarounds for buggy servers */
-  SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2);
+  SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2);
   SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
   SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
   /* Set NPN callback */
   SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
 }
 
-static void ssl_handshake(SSL *ssl, int fd)
-{
+static void ssl_handshake(SSL *ssl, int fd) {
   int rv;
-  if(SSL_set_fd(ssl, fd) == 0) {
+  if (SSL_set_fd(ssl, fd) == 0) {
     dief("SSL_set_fd", ERR_error_string(ERR_get_error(), NULL));
   }
   ERR_clear_error();
   rv = SSL_connect(ssl);
-  if(rv <= 0) {
+  if (rv <= 0) {
     dief("SSL_connect", ERR_error_string(ERR_get_error(), NULL));
   }
 }
@@ -377,8 +366,7 @@ static void ssl_handshake(SSL *ssl, int fd)
  * Connects to the host |host| and port |port|.  This function returns
  * the file descriptor of the client socket.
  */
-static int connect_to(const char *host, uint16_t port)
-{
+static int connect_to(const char *host, uint16_t port) {
   struct addrinfo hints;
   int fd = -1;
   int rv;
@@ -389,17 +377,18 @@ static int connect_to(const char *host, uint16_t port)
   hints.ai_family = AF_UNSPEC;
   hints.ai_socktype = SOCK_STREAM;
   rv = getaddrinfo(host, service, &hints, &res);
-  if(rv != 0) {
+  if (rv != 0) {
     dief("getaddrinfo", gai_strerror(rv));
   }
-  for(rp = res; rp; rp = rp->ai_next) {
+  for (rp = res; rp; rp = rp->ai_next) {
     fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
-    if(fd == -1) {
+    if (fd == -1) {
       continue;
     }
-    while((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 &&
-          errno == EINTR);
-    if(rv == 0) {
+    while ((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 &&
+           errno == EINTR)
+      ;
+    if (rv == 0) {
       break;
     }
     close(fd);
@@ -409,25 +398,25 @@ static int connect_to(const char *host, uint16_t port)
   return fd;
 }
 
-static void make_non_block(int fd)
-{
+static void make_non_block(int fd) {
   int flags, rv;
-  while((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR);
-  if(flags == -1) {
+  while ((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR)
+    ;
+  if (flags == -1) {
     dief("fcntl", strerror(errno));
   }
-  while((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR);
-  if(rv == -1) {
+  while ((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR)
+    ;
+  if (rv == -1) {
     dief("fcntl", strerror(errno));
   }
 }
 
-static void set_tcp_nodelay(int fd)
-{
+static void set_tcp_nodelay(int fd) {
   int val = 1;
   int rv;
   rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val));
-  if(rv == -1) {
+  if (rv == -1) {
     dief("setsockopt", strerror(errno));
   }
 }
@@ -435,14 +424,13 @@ static void set_tcp_nodelay(int fd)
 /*
  * Update |pollfd| based on the state of |connection|.
  */
-static void ctl_poll(struct pollfd *pollfd, struct Connection *connection)
-{
+static void ctl_poll(struct pollfd *pollfd, struct Connection *connection) {
   pollfd->events = 0;
-  if(nghttp2_session_want_read(connection->session) ||
+  if (nghttp2_session_want_read(connection->session) ||
       connection->want_io == WANT_READ) {
     pollfd->events |= POLLIN;
   }
-  if(nghttp2_session_want_write(connection->session) ||
+  if (nghttp2_session_want_write(connection->session) ||
       connection->want_io == WANT_WRITE) {
     pollfd->events |= POLLOUT;
   }
@@ -453,24 +441,20 @@ static void ctl_poll(struct pollfd *pollfd, struct Connection *connection)
  * function does not send packets; just append the request to the
  * internal queue in |connection->session|.
  */
-static void submit_request(struct Connection *connection, struct Request *req)
-{
+static void submit_request(struct Connection *connection, struct Request *req) {
   int32_t stream_id;
-  const nghttp2_nv nva[] = {
   /* Make sure that the last item is NULL */
-    MAKE_NV(":method", "GET"),
+  const nghttp2_nv nva[] = {MAKE_NV(":method", "GET"),
                             MAKE_NV_CS(":path", req->path),
                             MAKE_NV(":scheme", "https"),
                             MAKE_NV_CS(":authority", req->hostport),
                             MAKE_NV("accept", "*/*"),
-    MAKE_NV("user-agent", "nghttp2/"NGHTTP2_VERSION)
-  };
+                            MAKE_NV("user-agent", "nghttp2/" NGHTTP2_VERSION)};
 
-  stream_id = nghttp2_submit_request(connection->session, NULL,
-                                     nva, sizeof(nva)/sizeof(nva[0]),
-                                     NULL, req);
+  stream_id = nghttp2_submit_request(connection->session, NULL, nva,
+                                     sizeof(nva) / sizeof(nva[0]), NULL, req);
 
-  if(stream_id < 0) {
+  if (stream_id < 0) {
     diec("nghttp2_submit_request", stream_id);
   }
 
@@ -481,21 +465,19 @@ static void submit_request(struct Connection *connection, struct Request *req)
 /*
  * Performs the network I/O.
  */
-static void exec_io(struct Connection *connection)
-{
+static void exec_io(struct Connection *connection) {
   int rv;
   rv = nghttp2_session_recv(connection->session);
-  if(rv != 0) {
+  if (rv != 0) {
     diec("nghttp2_session_recv", rv);
   }
   rv = nghttp2_session_send(connection->session);
-  if(rv != 0) {
+  if (rv != 0) {
     diec("nghttp2_session_send", rv);
   }
 }
 
-static void request_init(struct Request *req, const struct URI *uri)
-{
+static void request_init(struct Request *req, const struct URI *uri) {
   req->host = strcopy(uri->host, uri->hostlen);
   req->port = uri->port;
   req->path = strcopy(uri->path, uri->pathlen);
@@ -503,8 +485,7 @@ static void request_init(struct Request *req, const struct URI *uri)
   req->stream_id = -1;
 }
 
-static void request_free(struct Request *req)
-{
+static void request_free(struct Request *req) {
   free(req->host);
   free(req->path);
   free(req->hostport);
@@ -513,8 +494,7 @@ static void request_free(struct Request *req)
 /*
  * Fetches the resource denoted by |uri|.
  */
-static void fetch_uri(const struct URI *uri)
-{
+static void fetch_uri(const struct URI *uri) {
   nghttp2_session_callbacks *callbacks;
   int fd;
   SSL_CTX *ssl_ctx;
@@ -529,16 +509,16 @@ static void fetch_uri(const struct URI *uri)
 
   /* Establish connection and setup SSL */
   fd = connect_to(req.host, req.port);
-  if(fd == -1) {
+  if (fd == -1) {
     die("Could not open file descriptor");
   }
   ssl_ctx = SSL_CTX_new(SSLv23_client_method());
-  if(ssl_ctx == NULL) {
+  if (ssl_ctx == NULL) {
     dief("SSL_CTX_new", ERR_error_string(ERR_get_error(), NULL));
   }
   init_ssl_ctx(ssl_ctx);
   ssl = SSL_new(ssl_ctx);
-  if(ssl == NULL) {
+  if (ssl == NULL) {
     dief("SSL_new", ERR_error_string(ERR_get_error(), NULL));
   }
   /* To simplify the program, we perform SSL/TLS handshake in blocking
@@ -549,8 +529,12 @@ static void fetch_uri(const struct URI *uri)
   connection.want_io = IO_NONE;
 
   /* Send connection header in blocking I/O mode */
-  SSL_write(ssl, NGHTTP2_CLIENT_CONNECTION_PREFACE,
+  rv = SSL_write(ssl, NGHTTP2_CLIENT_CONNECTION_PREFACE,
                  NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN);
+  if (rv <= 0) {
+    dief("SSL_write failed: could not send connection preface",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
 
   /* Here make file descriptor non-block */
   make_non_block(fd);
@@ -560,18 +544,17 @@ static void fetch_uri(const struct URI *uri)
 
   rv = nghttp2_session_callbacks_new(&callbacks);
 
-  if(rv != 0) {
+  if (rv != 0) {
     diec("nghttp2_session_callbacks_new", rv);
   }
 
   setup_nghttp2_callbacks(callbacks);
 
-  rv = nghttp2_session_client_new(&connection.session, callbacks,
-                                  &connection);
+  rv = nghttp2_session_client_new(&connection.session, callbacks, &connection);
 
   nghttp2_session_callbacks_del(callbacks);
 
-  if(rv != 0) {
+  if (rv != 0) {
     diec("nghttp2_session_client_new", rv);
   }
 
@@ -582,16 +565,16 @@ static void fetch_uri(const struct URI *uri)
   ctl_poll(pollfds, &connection);
 
   /* Event loop */
-  while(nghttp2_session_want_read(connection.session) ||
+  while (nghttp2_session_want_read(connection.session) ||
          nghttp2_session_want_write(connection.session)) {
     int nfds = poll(pollfds, npollfds, -1);
-    if(nfds == -1) {
+    if (nfds == -1) {
       dief("poll", strerror(errno));
     }
-    if(pollfds[0].revents & (POLLIN | POLLOUT)) {
+    if (pollfds[0].revents & (POLLIN | POLLOUT)) {
       exec_io(&connection);
     }
-    if((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) {
+    if ((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) {
       die("Connection error");
     }
     ctl_poll(pollfds, &connection);
@@ -607,96 +590,94 @@ static void fetch_uri(const struct URI *uri)
   request_free(&req);
 }
 
-static int parse_uri(struct URI *res, const char *uri)
-{
+static int parse_uri(struct URI *res, const char *uri) {
   /* We only interested in https */
   size_t len, i, offset;
   int ipv6addr = 0;
   memset(res, 0, sizeof(struct URI));
   len = strlen(uri);
-  if(len < 9 || memcmp("https://", uri, 8) != 0) {
+  if (len < 9 || memcmp("https://", uri, 8) != 0) {
     return -1;
   }
   offset = 8;
   res->host = res->hostport = &uri[offset];
   res->hostlen = 0;
-  if(uri[offset] == '[') {
+  if (uri[offset] == '[') {
     /* IPv6 literal address */
     ++offset;
     ++res->host;
     ipv6addr = 1;
-    for(i = offset; i < len; ++i) {
-      if(uri[i] == ']') {
-        res->hostlen = i-offset;
-        offset = i+1;
+    for (i = offset; i < len; ++i) {
+      if (uri[i] == ']') {
+        res->hostlen = i - offset;
+        offset = i + 1;
         break;
       }
     }
   } else {
     const char delims[] = ":/?#";
-    for(i = offset; i < len; ++i) {
-      if(strchr(delims, uri[i]) != NULL) {
+    for (i = offset; i < len; ++i) {
+      if (strchr(delims, uri[i]) != NULL) {
         break;
       }
     }
-    res->hostlen = i-offset;
+    res->hostlen = i - offset;
     offset = i;
   }
-  if(res->hostlen == 0) {
+  if (res->hostlen == 0) {
     return -1;
   }
   /* Assuming https */
   res->port = 443;
-  if(offset < len) {
-    if(uri[offset] == ':') {
+  if (offset < len) {
+    if (uri[offset] == ':') {
       /* port */
       const char delims[] = "/?#";
       int port = 0;
       ++offset;
-      for(i = offset; i < len; ++i) {
-        if(strchr(delims, uri[i]) != NULL) {
+      for (i = offset; i < len; ++i) {
+        if (strchr(delims, uri[i]) != NULL) {
           break;
         }
-        if('0' <= uri[i] && uri[i] <= '9') {
+        if ('0' <= uri[i] && uri[i] <= '9') {
           port *= 10;
-          port += uri[i]-'0';
-          if(port > 65535) {
+          port += uri[i] - '0';
+          if (port > 65535) {
             return -1;
           }
         } else {
           return -1;
         }
       }
-      if(port == 0) {
+      if (port == 0) {
         return -1;
       }
       offset = i;
       res->port = port;
     }
   }
-  res->hostportlen = uri+offset+ipv6addr-res->host;
-  for(i = offset; i < len; ++i) {
-    if(uri[i] == '#') {
+  res->hostportlen = uri + offset + ipv6addr - res->host;
+  for (i = offset; i < len; ++i) {
+    if (uri[i] == '#') {
       break;
     }
   }
-  if(i-offset == 0) {
+  if (i - offset == 0) {
     res->path = "/";
     res->pathlen = 1;
   } else {
     res->path = &uri[offset];
-    res->pathlen = i-offset;
+    res->pathlen = i - offset;
   }
   return 0;
 }
 
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
   struct URI uri;
   struct sigaction act;
   int rv;
 
-  if(argc < 2) {
+  if (argc < 2) {
     die("Specify a https URI");
   }
 
@@ -710,7 +691,7 @@ int main(int argc, char **argv)
   SSL_library_init();
 
   rv = parse_uri(&uri, argv[1]);
-  if(rv != 0) {
+  if (rv != 0) {
     die("parse_uri failed");
   }
   fetch_uri(&uri);

examples/deflate.c

@@ -22,48 +22,48 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
 #include <stdio.h>
 #include <string.h>
 
 #include <nghttp2/nghttp2.h>
 
 #define MAKE_NV(K, V)                                                          \
-  { (uint8_t*)K, (uint8_t*)V, sizeof(K) - 1, sizeof(V) - 1,     \
-      NGHTTP2_NV_FLAG_NONE }
+  {                                                                            \
+    (uint8_t *) K, (uint8_t *)V, sizeof(K) - 1, sizeof(V) - 1,                 \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
 
 static void deflate(nghttp2_hd_deflater *deflater,
-                    nghttp2_hd_inflater *inflater,
-                    const nghttp2_nv * const nva, size_t nvlen);
+                    nghttp2_hd_inflater *inflater, const nghttp2_nv *const nva,
+                    size_t nvlen);
 
-static int inflate_header_block(nghttp2_hd_inflater *inflater,
-                                uint8_t *in, size_t inlen, int final);
+static int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
+                                size_t inlen, int final);
 
-int main(int argc, char **argv)
-{
+int main(int argc _U_, char **argv _U_) {
   int rv;
   nghttp2_hd_deflater *deflater;
   nghttp2_hd_inflater *inflater;
   /* Define 1st header set.  This is looks like a HTTP request. */
   nghttp2_nv nva1[] = {
-    MAKE_NV(":scheme", "https"),
-    MAKE_NV(":authority", "example.org"),
-    MAKE_NV(":path", "/"),
-    MAKE_NV("user-agent", "libnghttp2"),
-    MAKE_NV("accept-encoding", "gzip, deflate")
-  };
+      MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "example.org"),
+      MAKE_NV(":path", "/"), MAKE_NV("user-agent", "libnghttp2"),
+      MAKE_NV("accept-encoding", "gzip, deflate")};
   /* Define 2nd header set */
-  nghttp2_nv nva2[] = {
-    MAKE_NV(":scheme", "https"),
+  nghttp2_nv nva2[] = {MAKE_NV(":scheme", "https"),
                        MAKE_NV(":authority", "example.org"),
                        MAKE_NV(":path", "/stylesheet/style.css"),
                        MAKE_NV("user-agent", "libnghttp2"),
                        MAKE_NV("accept-encoding", "gzip, deflate"),
-    MAKE_NV("referer", "https://example.org")
-  };
+                       MAKE_NV("referer", "https://example.org")};
 
   rv = nghttp2_hd_deflate_new(&deflater, 4096);
 
-  if(rv != 0) {
+  if (rv != 0) {
     fprintf(stderr, "nghttp2_hd_deflate_init failed with error: %s\n",
             nghttp2_strerror(rv));
     exit(EXIT_FAILURE);
@@ -71,7 +71,7 @@ int main(int argc, char **argv)
 
   rv = nghttp2_hd_inflate_new(&inflater);
 
-  if(rv != 0) {
+  if (rv != 0) {
     fprintf(stderr, "nghttp2_hd_inflate_init failed with error: %s\n",
             nghttp2_strerror(rv));
     exit(EXIT_FAILURE);
@@ -91,9 +91,8 @@ int main(int argc, char **argv)
 }
 
 static void deflate(nghttp2_hd_deflater *deflater,
-                    nghttp2_hd_inflater *inflater,
-                    const nghttp2_nv * const nva, size_t nvlen)
-{
+                    nghttp2_hd_inflater *inflater, const nghttp2_nv *const nva,
+                    size_t nvlen) {
   ssize_t rv;
   uint8_t *buf;
   size_t buflen;
@@ -103,13 +102,13 @@ static void deflate(nghttp2_hd_deflater *deflater,
 
   sum = 0;
 
-  for(i = 0; i < nvlen; ++i) {
+  for (i = 0; i < nvlen; ++i) {
     sum += nva[i].namelen + nva[i].valuelen;
   }
 
   printf("Input (%zu byte(s)):\n\n", sum);
 
-  for(i = 0; i < nvlen; ++i) {
+  for (i = 0; i < nvlen; ++i) {
     fwrite(nva[i].name, nva[i].namelen, 1, stdout);
     printf(": ");
     fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
@@ -121,7 +120,7 @@ static void deflate(nghttp2_hd_deflater *deflater,
 
   rv = nghttp2_hd_deflate_hd(deflater, buf, buflen, nva, nvlen);
 
-  if(rv < 0) {
+  if (rv < 0) {
     fprintf(stderr, "nghttp2_hd_deflate_hd() failed with error: %s\n",
             nghttp2_strerror((int)rv));
 
@@ -132,17 +131,17 @@ static void deflate(nghttp2_hd_deflater *deflater,
 
   outlen = rv;
 
-  printf("\nDeflate (%zu byte(s), ratio %.02f):\n\n",
-         outlen, sum == 0 ? 0 : (double)outlen / sum);
+  printf("\nDeflate (%zu byte(s), ratio %.02f):\n\n", outlen,
+         sum == 0 ? 0 : (double)outlen / sum);
 
-  for(i = 0; i < outlen; ++i) {
-    if((i & 0x0fu) == 0) {
+  for (i = 0; i < outlen; ++i) {
+    if ((i & 0x0fu) == 0) {
       printf("%08zX: ", i);
     }
 
     printf("%02X ", buf[i]);
 
-    if(((i + 1) & 0x0fu) == 0) {
+    if (((i + 1) & 0x0fu) == 0) {
       printf("\n");
     }
   }
@@ -153,7 +152,7 @@ static void deflate(nghttp2_hd_deflater *deflater,
      header data. */
   rv = inflate_header_block(inflater, buf, outlen, 1);
 
-  if(rv != 0) {
+  if (rv != 0) {
     free(buf);
 
     exit(EXIT_FAILURE);
@@ -165,20 +164,18 @@ static void deflate(nghttp2_hd_deflater *deflater,
   free(buf);
 }
 
-int inflate_header_block(nghttp2_hd_inflater *inflater,
-                         uint8_t *in, size_t inlen, int final)
-{
+int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
+                         size_t inlen, int final) {
   ssize_t rv;
 
-  for(;;) {
+  for (;;) {
     nghttp2_nv nv;
     int inflate_flags = 0;
     size_t proclen;
 
-    rv = nghttp2_hd_inflate_hd(inflater, &nv, &inflate_flags,
-                               in, inlen, final);
+    rv = nghttp2_hd_inflate_hd(inflater, &nv, &inflate_flags, in, inlen, final);
 
-    if(rv < 0) {
+    if (rv < 0) {
       fprintf(stderr, "inflate failed with error code %zd", rv);
       return -1;
     }
@@ -188,20 +185,19 @@ int inflate_header_block(nghttp2_hd_inflater *inflater,
     in += proclen;
     inlen -= proclen;
 
-    if(inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
+    if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
       fwrite(nv.name, nv.namelen, 1, stderr);
       fprintf(stderr, ": ");
       fwrite(nv.value, nv.valuelen, 1, stderr);
       fprintf(stderr, "\n");
     }
 
-    if(inflate_flags & NGHTTP2_HD_INFLATE_FINAL) {
+    if (inflate_flags & NGHTTP2_HD_INFLATE_FINAL) {
       nghttp2_hd_inflate_end_headers(inflater);
       break;
     }
 
-    if((inflate_flags & NGHTTP2_HD_INFLATE_EMIT) == 0 &&
-       inlen == 0) {
+    if ((inflate_flags & NGHTTP2_HD_INFLATE_EMIT) == 0 && inlen == 0) {
       break;
     }
   }

examples/libevent-client.c

@@ -22,6 +22,10 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
 #include <sys/types.h>
 #include <unistd.h>
 #include <sys/socket.h>
@@ -43,7 +47,7 @@
 
 #include "http-parser/http_parser.h"
 
-#define ARRLEN(x) (sizeof(x)/sizeof(x[0]))
+#define ARRLEN(x) (sizeof(x) / sizeof(x[0]))
 
 typedef struct {
   /* The NULL-terminated URI string to retreive. */
@@ -70,9 +74,8 @@ typedef struct {
   http2_stream_data *stream_data;
 } http2_session_data;
 
-static http2_stream_data* create_http2_stream_data(const char *uri,
-                                                   struct http_parser_url *u)
-{
+static http2_stream_data *create_http2_stream_data(const char *uri,
+                                                   struct http_parser_url *u) {
   /* MAX 5 digits (max 65535) + 1 ':' + 1 NULL (because of snprintf) */
   size_t extra = 7;
   http2_stream_data *stream_data = malloc(sizeof(http2_stream_data));
@@ -83,29 +86,29 @@ static http2_stream_data* create_http2_stream_data(const char *uri,
 
   stream_data->authoritylen = u->field_data[UF_HOST].len;
   stream_data->authority = malloc(stream_data->authoritylen + extra);
-  memcpy(stream_data->authority,
-         &uri[u->field_data[UF_HOST].off], u->field_data[UF_HOST].len);
-  if(u->field_set & (1 << UF_PORT)) {
+  memcpy(stream_data->authority, &uri[u->field_data[UF_HOST].off],
+         u->field_data[UF_HOST].len);
+  if (u->field_set & (1 << UF_PORT)) {
     stream_data->authoritylen +=
         snprintf(stream_data->authority + u->field_data[UF_HOST].len, extra,
                  ":%u", u->port);
   }
 
   stream_data->pathlen = 0;
-  if(u->field_set & (1 << UF_PATH)) {
+  if (u->field_set & (1 << UF_PATH)) {
     stream_data->pathlen = u->field_data[UF_PATH].len;
   }
-  if(u->field_set & (1 << UF_QUERY)) {
+  if (u->field_set & (1 << UF_QUERY)) {
     /* +1 for '?' character */
     stream_data->pathlen += u->field_data[UF_QUERY].len + 1;
   }
-  if(stream_data->pathlen > 0) {
+  if (stream_data->pathlen > 0) {
     stream_data->path = malloc(stream_data->pathlen);
-    if(u->field_set & (1 << UF_PATH)) {
-      memcpy(stream_data->path,
-             &uri[u->field_data[UF_PATH].off], u->field_data[UF_PATH].len);
+    if (u->field_set & (1 << UF_PATH)) {
+      memcpy(stream_data->path, &uri[u->field_data[UF_PATH].off],
+             u->field_data[UF_PATH].len);
     }
-    if(u->field_set & (1 << UF_QUERY)) {
+    if (u->field_set & (1 << UF_QUERY)) {
       memcpy(stream_data->path + u->field_data[UF_PATH].len + 1,
              &uri[u->field_data[UF_QUERY].off], u->field_data[UF_QUERY].len);
     }
@@ -115,16 +118,15 @@ static http2_stream_data* create_http2_stream_data(const char *uri,
   return stream_data;
 }
 
-static void delete_http2_stream_data(http2_stream_data *stream_data)
-{
+static void delete_http2_stream_data(http2_stream_data *stream_data) {
   free(stream_data->path);
   free(stream_data->authority);
   free(stream_data);
 }
 
 /* Initializes |session_data| */
-static http2_session_data *create_http2_session_data(struct event_base *evbase)
-{
+static http2_session_data *
+create_http2_session_data(struct event_base *evbase) {
   http2_session_data *session_data = malloc(sizeof(http2_session_data));
 
   memset(session_data, 0, sizeof(http2_session_data));
@@ -132,11 +134,10 @@ static http2_session_data *create_http2_session_data(struct event_base *evbase)
   return session_data;
 }
 
-static void delete_http2_session_data(http2_session_data *session_data)
-{
+static void delete_http2_session_data(http2_session_data *session_data) {
   SSL *ssl = bufferevent_openssl_get_ssl(session_data->bev);
 
-  if(ssl) {
+  if (ssl) {
     SSL_shutdown(ssl);
   }
   bufferevent_free(session_data->bev);
@@ -145,17 +146,15 @@ static void delete_http2_session_data(http2_session_data *session_data)
   session_data->dnsbase = NULL;
   nghttp2_session_del(session_data->session);
   session_data->session = NULL;
-  if(session_data->stream_data) {
+  if (session_data->stream_data) {
     delete_http2_stream_data(session_data->stream_data);
     session_data->stream_data = NULL;
   }
   free(session_data);
 }
 
-static void print_header(FILE *f,
-                         const uint8_t *name, size_t namelen,
-                         const uint8_t *value, size_t valuelen)
-{
+static void print_header(FILE *f, const uint8_t *name, size_t namelen,
+                         const uint8_t *value, size_t valuelen) {
   fwrite(name, namelen, 1, f);
   fprintf(f, ": ");
   fwrite(value, valuelen, 1, f);
@@ -165,13 +164,10 @@ static void print_header(FILE *f,
 /* Print HTTP headers to |f|. Please note that this function does not
    take into account that header name and value are sequence of
    octets, therefore they may contain non-printable characters. */
-static void print_headers(FILE *f, nghttp2_nv *nva, size_t nvlen)
-{
+static void print_headers(FILE *f, nghttp2_nv *nva, size_t nvlen) {
   size_t i;
-  for(i = 0; i < nvlen; ++i) {
-    print_header(f,
-                 nva[i].name, nva[i].namelen,
-                 nva[i].value, nva[i].valuelen);
+  for (i = 0; i < nvlen; ++i) {
+    print_header(f, nva[i].name, nva[i].namelen, nva[i].value, nva[i].valuelen);
   }
   fprintf(f, "\n");
 }
@@ -179,11 +175,9 @@ static void print_headers(FILE *f, nghttp2_nv *nva, size_t nvlen)
 /* nghttp2_send_callback. Here we transmit the |data|, |length| bytes,
    to the network. Because we are using libevent bufferevent, we just
    write those bytes into bufferevent buffer. */
-static ssize_t send_callback(nghttp2_session *session,
-                             const uint8_t *data, size_t length,
-                             int flags, void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
+static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
+                             size_t length, int flags _U_, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
   struct bufferevent *bev = session_data->bev;
   bufferevent_write(bev, data, length);
   return length;
@@ -191,17 +185,15 @@ static ssize_t send_callback(nghttp2_session *session,
 
 /* nghttp2_on_header_callback: Called when nghttp2 library emits
    single header name/value pair. */
-static int on_header_callback(nghttp2_session *session,
-                              const nghttp2_frame *frame,
-                              const uint8_t *name, size_t namelen,
-                              const uint8_t *value, size_t valuelen,
-                              uint8_t flags,
-                              void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
-  switch(frame->hd.type) {
+static int on_header_callback(nghttp2_session *session _U_,
+                              const nghttp2_frame *frame, const uint8_t *name,
+                              size_t namelen, const uint8_t *value,
+                              size_t valuelen, uint8_t flags _U_,
+                              void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
-    if(frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
         session_data->stream_data->stream_id == frame->hd.stream_id) {
       /* Print response headers for the initiated request. */
       print_header(stderr, name, namelen, value, valuelen);
@@ -213,14 +205,13 @@ static int on_header_callback(nghttp2_session *session,
 
 /* nghttp2_on_begin_headers_callback: Called when nghttp2 library gets
    started to receive header block. */
-static int on_begin_headers_callback(nghttp2_session *session,
+static int on_begin_headers_callback(nghttp2_session *session _U_,
                                      const nghttp2_frame *frame,
-                                     void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
-  switch(frame->hd.type) {
+                                     void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
-    if(frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
         session_data->stream_data->stream_id == frame->hd.stream_id) {
       fprintf(stderr, "Response headers for stream ID=%d:\n",
               frame->hd.stream_id);
@@ -232,13 +223,12 @@ static int on_begin_headers_callback(nghttp2_session *session,
 
 /* nghttp2_on_frame_recv_callback: Called when nghttp2 library
    received a complete frame from the remote peer. */
-static int on_frame_recv_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame, void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
-  switch(frame->hd.type) {
+static int on_frame_recv_callback(nghttp2_session *session _U_,
+                                  const nghttp2_frame *frame, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
-    if(frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
         session_data->stream_data->stream_id == frame->hd.stream_id) {
       fprintf(stderr, "All headers received\n");
     }
@@ -252,13 +242,12 @@ static int on_frame_recv_callback(nghttp2_session *session,
    is meant to the stream we initiated, print the received data in
    stdout, so that the user can redirect its output to the file
    easily. */
-static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
-                                       int32_t stream_id,
+static int on_data_chunk_recv_callback(nghttp2_session *session _U_,
+                                       uint8_t flags _U_, int32_t stream_id,
                                        const uint8_t *data, size_t len,
-                                       void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
-  if(session_data->stream_data->stream_id == stream_id) {
+                                       void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  if (session_data->stream_data->stream_id == stream_id) {
     fwrite(data, len, 1, stdout);
   }
   return 0;
@@ -268,19 +257,17 @@ static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
    closed. This example program only deals with 1 HTTP request (1
    stream), if it is closed, we send GOAWAY and tear down the
    session */
-static int on_stream_close_callback(nghttp2_session *session,
-                                    int32_t stream_id,
-                                    nghttp2_error_code error_code,
-                                    void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                    uint32_t error_code,
+                                    void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
   int rv;
 
-  if(session_data->stream_data->stream_id == stream_id) {
-    fprintf(stderr, "Stream %d closed with error_code=%d\n",
-            stream_id, error_code);
+  if (session_data->stream_data->stream_id == stream_id) {
+    fprintf(stderr, "Stream %d closed with error_code=%d\n", stream_id,
+            error_code);
     rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
-    if(rv != 0) {
+    if (rv != 0) {
       return NGHTTP2_ERR_CALLBACK_FAILURE;
     }
   }
@@ -290,117 +277,112 @@ static int on_stream_close_callback(nghttp2_session *session,
 /* NPN TLS extension client callback. We check that server advertised
    the HTTP/2 protocol the nghttp2 library supports. If not, exit
    the program. */
-static int select_next_proto_cb(SSL* ssl,
-                                unsigned char **out, unsigned char *outlen,
-                                const unsigned char *in, unsigned int inlen,
-                                void *arg)
-{
-  if(nghttp2_select_next_protocol(out, outlen, in, inlen) <= 0) {
+static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg _U_) {
+  if (nghttp2_select_next_protocol(out, outlen, in, inlen) <= 0) {
     errx(1, "Server did not advertise " NGHTTP2_PROTO_VERSION_ID);
   }
   return SSL_TLSEXT_ERR_OK;
 }
 
 /* Create SSL_CTX. */
-static SSL_CTX* create_ssl_ctx(void)
-{
+static SSL_CTX *create_ssl_ctx(void) {
   SSL_CTX *ssl_ctx;
   ssl_ctx = SSL_CTX_new(SSLv23_client_method());
-  if(!ssl_ctx) {
+  if (!ssl_ctx) {
     errx(1, "Could not create SSL/TLS context: %s",
          ERR_error_string(ERR_get_error(), NULL));
   }
   SSL_CTX_set_options(ssl_ctx,
-                      SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_COMPRESSION |
+                      SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+                          SSL_OP_NO_COMPRESSION |
                           SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
   SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
   return ssl_ctx;
 }
 
 /* Create SSL object */
-static SSL* create_ssl(SSL_CTX *ssl_ctx)
-{
+static SSL *create_ssl(SSL_CTX *ssl_ctx) {
   SSL *ssl;
   ssl = SSL_new(ssl_ctx);
-  if(!ssl) {
+  if (!ssl) {
     errx(1, "Could not create SSL/TLS session object: %s",
          ERR_error_string(ERR_get_error(), NULL));
   }
   return ssl;
 }
 
-static void initialize_nghttp2_session(http2_session_data *session_data)
-{
+static void initialize_nghttp2_session(http2_session_data *session_data) {
   nghttp2_session_callbacks *callbacks;
 
   nghttp2_session_callbacks_new(&callbacks);
 
   nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
 
-  nghttp2_session_callbacks_set_on_frame_recv_callback
-    (callbacks, on_frame_recv_callback);
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
 
-  nghttp2_session_callbacks_set_on_data_chunk_recv_callback
-    (callbacks, on_data_chunk_recv_callback);
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+      callbacks, on_data_chunk_recv_callback);
 
-  nghttp2_session_callbacks_set_on_stream_close_callback
-    (callbacks, on_stream_close_callback);
+  nghttp2_session_callbacks_set_on_stream_close_callback(
+      callbacks, on_stream_close_callback);
 
-  nghttp2_session_callbacks_set_on_header_callback
-    (callbacks, on_header_callback);
+  nghttp2_session_callbacks_set_on_header_callback(callbacks,
+                                                   on_header_callback);
 
-  nghttp2_session_callbacks_set_on_begin_headers_callback
-    (callbacks, on_begin_headers_callback);
+  nghttp2_session_callbacks_set_on_begin_headers_callback(
+      callbacks, on_begin_headers_callback);
 
   nghttp2_session_client_new(&session_data->session, callbacks, session_data);
 
   nghttp2_session_callbacks_del(callbacks);
 }
 
-static void send_client_connection_header(http2_session_data *session_data)
-{
+static void send_client_connection_header(http2_session_data *session_data) {
   nghttp2_settings_entry iv[1] = {
-    { NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100 }
-  };
+      {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
   int rv;
 
-  bufferevent_write(session_data->bev,
-                    NGHTTP2_CLIENT_CONNECTION_PREFACE,
+  bufferevent_write(session_data->bev, NGHTTP2_CLIENT_CONNECTION_PREFACE,
                     NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN);
-  rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE,
-                               iv, ARRLEN(iv));
-  if(rv != 0) {
+  rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE, iv,
+                               ARRLEN(iv));
+  if (rv != 0) {
     errx(1, "Could not submit SETTINGS: %s", nghttp2_strerror(rv));
   }
 }
 
 #define MAKE_NV(NAME, VALUE, VALUELEN)                                         \
-  { (uint8_t*)NAME, (uint8_t*)VALUE, sizeof(NAME) - 1, VALUELEN,        \
-      NGHTTP2_NV_FLAG_NONE }
+  {                                                                            \
+    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, VALUELEN,            \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
 
 #define MAKE_NV2(NAME, VALUE)                                                  \
-  { (uint8_t*)NAME, (uint8_t*)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1, \
-      NGHTTP2_NV_FLAG_NONE }
+  {                                                                            \
+    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,   \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
 
 /* Send HTTP request to the remote peer */
-static void submit_request(http2_session_data *session_data)
-{
+static void submit_request(http2_session_data *session_data) {
   int32_t stream_id;
   http2_stream_data *stream_data = session_data->stream_data;
   const char *uri = stream_data->uri;
   const struct http_parser_url *u = stream_data->u;
   nghttp2_nv hdrs[] = {
       MAKE_NV2(":method", "GET"),
-    MAKE_NV(":scheme",
-            &uri[u->field_data[UF_SCHEMA].off], u->field_data[UF_SCHEMA].len),
+      MAKE_NV(":scheme", &uri[u->field_data[UF_SCHEMA].off],
+              u->field_data[UF_SCHEMA].len),
       MAKE_NV(":authority", stream_data->authority, stream_data->authoritylen),
-    MAKE_NV(":path", stream_data->path, stream_data->pathlen)
-  };
+      MAKE_NV(":path", stream_data->path, stream_data->pathlen)};
   fprintf(stderr, "Request headers:\n");
   print_headers(stderr, hdrs, ARRLEN(hdrs));
-  stream_id = nghttp2_submit_request(session_data->session, NULL,
-                                     hdrs, ARRLEN(hdrs), NULL, stream_data);
-  if(stream_id < 0) {
+  stream_id = nghttp2_submit_request(session_data->session, NULL, hdrs,
+                                     ARRLEN(hdrs), NULL, stream_data);
+  if (stream_id < 0) {
     errx(1, "Could not submit HTTP request: %s", nghttp2_strerror(stream_id));
   }
 
@@ -409,12 +391,11 @@ static void submit_request(http2_session_data *session_data)
 
 /* Serialize the frame and send (or buffer) the data to
    bufferevent. */
-static int session_send(http2_session_data *session_data)
-{
+static int session_send(http2_session_data *session_data) {
   int rv;
 
   rv = nghttp2_session_send(session_data->session);
-  if(rv != 0) {
+  if (rv != 0) {
     warnx("Fatal error: %s", nghttp2_strerror(rv));
     return -1;
   }
@@ -425,26 +406,25 @@ static int session_send(http2_session_data *session_data)
    of bufferevent and feed them to nghttp2 library. This may invoke
    nghttp2 callbacks. It may also queues the frame in nghttp2 session
    context. To send them, we call session_send() in the end. */
-static void readcb(struct bufferevent *bev, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
+static void readcb(struct bufferevent *bev, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
   ssize_t readlen;
   struct evbuffer *input = bufferevent_get_input(bev);
   size_t datalen = evbuffer_get_length(input);
   unsigned char *data = evbuffer_pullup(input, -1);
 
   readlen = nghttp2_session_mem_recv(session_data->session, data, datalen);
-  if(readlen < 0) {
+  if (readlen < 0) {
     warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
     delete_http2_session_data(session_data);
     return;
   }
-  if(evbuffer_drain(input, readlen) != 0) {
+  if (evbuffer_drain(input, readlen) != 0) {
     warnx("Fatal error: evbuffer_drain failed");
     delete_http2_session_data(session_data);
     return;
   }
-  if(session_send(session_data) != 0) {
+  if (session_send(session_data) != 0) {
     delete_http2_session_data(session_data);
     return;
   }
@@ -454,10 +434,9 @@ static void readcb(struct bufferevent *bev, void *ptr)
    receiving GOAWAY, we check the some conditions on the nghttp2
    library and output buffer of bufferevent. If it indicates we have
    no business to this session, tear down the connection. */
-static void writecb(struct bufferevent *bev, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
-  if(nghttp2_session_want_read(session_data->session) == 0 &&
+static void writecb(struct bufferevent *bev _U_, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (nghttp2_session_want_read(session_data->session) == 0 &&
       nghttp2_session_want_write(session_data->session) == 0 &&
       evbuffer_get_length(bufferevent_get_output(session_data->bev)) == 0) {
     delete_http2_session_data(session_data);
@@ -469,10 +448,9 @@ static void writecb(struct bufferevent *bev, void *ptr)
    peer verification. After SSL/TLS handshake is over, initialize
    nghttp2 library session, and send client connection header. Then
    send HTTP request. */
-static void eventcb(struct bufferevent *bev, short events, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
-  if(events & BEV_EVENT_CONNECTED) {
+static void eventcb(struct bufferevent *bev, short events, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (events & BEV_EVENT_CONNECTED) {
     int fd = bufferevent_getfd(bev);
     int val = 1;
     fprintf(stderr, "Connected\n");
@@ -480,41 +458,38 @@ static void eventcb(struct bufferevent *bev, short events, void *ptr)
     initialize_nghttp2_session(session_data);
     send_client_connection_header(session_data);
     submit_request(session_data);
-    if(session_send(session_data) != 0) {
+    if (session_send(session_data) != 0) {
       delete_http2_session_data(session_data);
     }
     return;
   }
-  if(events & BEV_EVENT_EOF) {
+  if (events & BEV_EVENT_EOF) {
     warnx("Disconnected from the remote host");
-  } else if(events & BEV_EVENT_ERROR) {
+  } else if (events & BEV_EVENT_ERROR) {
     warnx("Network error");
-  } else if(events & BEV_EVENT_TIMEOUT) {
+  } else if (events & BEV_EVENT_TIMEOUT) {
     warnx("Timeout");
   }
   delete_http2_session_data(session_data);
 }
 
 /* Start connecting to the remote peer |host:port| */
-static void initiate_connection(struct event_base *evbase,
-                                SSL_CTX *ssl_ctx,
+static void initiate_connection(struct event_base *evbase, SSL_CTX *ssl_ctx,
                                 const char *host, uint16_t port,
-                                http2_session_data *session_data)
-{
+                                http2_session_data *session_data) {
   int rv;
   struct bufferevent *bev;
   SSL *ssl;
 
   ssl = create_ssl(ssl_ctx);
-  bev = bufferevent_openssl_socket_new(evbase, -1, ssl,
-                                       BUFFEREVENT_SSL_CONNECTING,
-                                       BEV_OPT_DEFER_CALLBACKS |
-                                       BEV_OPT_CLOSE_ON_FREE);
+  bev = bufferevent_openssl_socket_new(
+      evbase, -1, ssl, BUFFEREVENT_SSL_CONNECTING,
+      BEV_OPT_DEFER_CALLBACKS | BEV_OPT_CLOSE_ON_FREE);
   bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
   rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
                                            AF_UNSPEC, host, port);
 
-  if(rv != 0) {
+  if (rv != 0) {
     errx(1, "Could not connect to the remote host %s", host);
   }
   session_data->bev = bev;
@@ -522,8 +497,7 @@ static void initiate_connection(struct event_base *evbase,
 
 /* Get resource denoted by the |uri|. The debug and error messages are
    printed in stderr, while the response body is printed in stdout. */
-static void run(const char *uri)
-{
+static void run(const char *uri) {
   struct http_parser_url u;
   char *host;
   uint16_t port;
@@ -534,11 +508,11 @@ static void run(const char *uri)
 
   /* Parse the |uri| and stores its components in |u| */
   rv = http_parser_parse_url(uri, strlen(uri), 0, &u);
-  if(rv != 0) {
+  if (rv != 0) {
     errx(1, "Could not parse URI %s", uri);
   }
   host = strndup(&uri[u.field_data[UF_HOST].off], u.field_data[UF_HOST].len);
-  if(!(u.field_set & (1 << UF_PORT))) {
+  if (!(u.field_set & (1 << UF_PORT))) {
     port = 443;
   } else {
     port = u.port;
@@ -561,11 +535,10 @@ static void run(const char *uri)
   SSL_CTX_free(ssl_ctx);
 }
 
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
   struct sigaction act;
 
-  if(argc < 2) {
+  if (argc < 2) {
     fprintf(stderr, "Usage: libevent-client HTTPS_URI\n");
     exit(EXIT_FAILURE);
   }

examples/libevent-server.c

@@ -22,6 +22,10 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
@@ -47,11 +51,13 @@
 
 #define OUTPUT_WOULDBLOCK_THRESHOLD (1 << 16)
 
-#define ARRLEN(x) (sizeof(x)/sizeof(x[0]))
+#define ARRLEN(x) (sizeof(x) / sizeof(x[0]))
 
 #define MAKE_NV(NAME, VALUE)                                                   \
-  { (uint8_t*)NAME, (uint8_t*)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1, \
-      NGHTTP2_NV_FLAG_NONE }
+  {                                                                            \
+    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,   \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
 
 struct app_context;
 typedef struct app_context app_context;
@@ -69,7 +75,6 @@ typedef struct http2_session_data {
   app_context *app_ctx;
   nghttp2_session *session;
   char *client_addr;
-  size_t handshake_leftlen;
 } http2_session_data;
 
 struct app_context {
@@ -80,32 +85,40 @@ struct app_context {
 static unsigned char next_proto_list[256];
 static size_t next_proto_list_len;
 
-static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len,
-                         void *arg)
-{
+static int next_proto_cb(SSL *s _U_, const unsigned char **data,
+                         unsigned int *len, void *arg _U_) {
   *data = next_proto_list;
   *len = (unsigned int)next_proto_list_len;
   return SSL_TLSEXT_ERR_OK;
 }
 
 /* Create SSL_CTX. */
-static SSL_CTX* create_ssl_ctx(const char *key_file, const char *cert_file)
-{
+static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
   SSL_CTX *ssl_ctx;
+  EC_KEY *ecdh;
+
   ssl_ctx = SSL_CTX_new(SSLv23_server_method());
-  if(!ssl_ctx) {
+  if (!ssl_ctx) {
     errx(1, "Could not create SSL/TLS context: %s",
          ERR_error_string(ERR_get_error(), NULL));
   }
   SSL_CTX_set_options(ssl_ctx,
-                      SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_COMPRESSION |
+                      SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+                          SSL_OP_NO_COMPRESSION |
                           SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
 
-  if(SSL_CTX_use_PrivateKey_file(ssl_ctx, key_file,
-                                 SSL_FILETYPE_PEM) != 1) {
+  ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
+  if (!ecdh) {
+    errx(1, "EC_KEY_new_by_curv_name failed: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  SSL_CTX_set_tmp_ecdh(ssl_ctx, ecdh);
+  EC_KEY_free(ecdh);
+
+  if (SSL_CTX_use_PrivateKey_file(ssl_ctx, key_file, SSL_FILETYPE_PEM) != 1) {
     errx(1, "Could not read private key file %s", key_file);
   }
-  if(SSL_CTX_use_certificate_chain_file(ssl_ctx, cert_file) != 1) {
+  if (SSL_CTX_use_certificate_chain_file(ssl_ctx, cert_file) != 1) {
     errx(1, "Could not read certificate file %s", cert_file);
   }
 
@@ -119,11 +132,10 @@ static SSL_CTX* create_ssl_ctx(const char *key_file, const char *cert_file)
 }
 
 /* Create SSL object */
-static SSL* create_ssl(SSL_CTX *ssl_ctx)
-{
+static SSL *create_ssl(SSL_CTX *ssl_ctx) {
   SSL *ssl;
   ssl = SSL_new(ssl_ctx);
-  if(!ssl) {
+  if (!ssl) {
     errx(1, "Could not create SSL/TLS session object: %s",
          ERR_error_string(ERR_get_error(), NULL));
   }
@@ -131,28 +143,25 @@ static SSL* create_ssl(SSL_CTX *ssl_ctx)
 }
 
 static void add_stream(http2_session_data *session_data,
-                       http2_stream_data *stream_data)
-{
+                       http2_stream_data *stream_data) {
   stream_data->next = session_data->root.next;
   session_data->root.next = stream_data;
   stream_data->prev = &session_data->root;
-  if(stream_data->next) {
+  if (stream_data->next) {
     stream_data->next->prev = stream_data;
   }
 }
 
-static void remove_stream(http2_session_data *session_data,
-                          http2_stream_data *stream_data)
-{
+static void remove_stream(http2_session_data *session_data _U_,
+                          http2_stream_data *stream_data) {
   stream_data->prev->next = stream_data->next;
-  if(stream_data->next) {
+  if (stream_data->next) {
     stream_data->next->prev = stream_data->prev;
   }
 }
 
-static http2_stream_data* create_http2_stream_data
-(http2_session_data *session_data, int32_t stream_id)
-{
+static http2_stream_data *
+create_http2_stream_data(http2_session_data *session_data, int32_t stream_id) {
   http2_stream_data *stream_data;
   stream_data = malloc(sizeof(http2_stream_data));
   memset(stream_data, 0, sizeof(http2_stream_data));
@@ -163,20 +172,18 @@ static http2_stream_data* create_http2_stream_data
   return stream_data;
 }
 
-static void delete_http2_stream_data(http2_stream_data *stream_data)
-{
-  if(stream_data->fd != -1) {
+static void delete_http2_stream_data(http2_stream_data *stream_data) {
+  if (stream_data->fd != -1) {
     close(stream_data->fd);
   }
   free(stream_data->request_path);
   free(stream_data);
 }
 
-static http2_session_data* create_http2_session_data(app_context *app_ctx,
+static http2_session_data *create_http2_session_data(app_context *app_ctx,
                                                      int fd,
                                                      struct sockaddr *addr,
-                                                     int addrlen)
-{
+                                                     int addrlen) {
   int rv;
   http2_session_data *session_data;
   SSL *ssl;
@@ -188,13 +195,11 @@ static http2_session_data* create_http2_session_data(app_context *app_ctx,
   memset(session_data, 0, sizeof(http2_session_data));
   session_data->app_ctx = app_ctx;
   setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
-  session_data->bev = bufferevent_openssl_socket_new
-    (app_ctx->evbase, fd, ssl,
-     BUFFEREVENT_SSL_ACCEPTING,
+  session_data->bev = bufferevent_openssl_socket_new(
+      app_ctx->evbase, fd, ssl, BUFFEREVENT_SSL_ACCEPTING,
       BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
-  session_data->handshake_leftlen = NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN;
   rv = getnameinfo(addr, addrlen, host, sizeof(host), NULL, 0, NI_NUMERICHOST);
-  if(rv != 0) {
+  if (rv != 0) {
     session_data->client_addr = strdup("(unknown)");
   } else {
     session_data->client_addr = strdup(host);
@@ -203,17 +208,16 @@ static http2_session_data* create_http2_session_data(app_context *app_ctx,
   return session_data;
 }
 
-static void delete_http2_session_data(http2_session_data *session_data)
-{
+static void delete_http2_session_data(http2_session_data *session_data) {
   http2_stream_data *stream_data;
   SSL *ssl = bufferevent_openssl_get_ssl(session_data->bev);
   fprintf(stderr, "%s disconnected\n", session_data->client_addr);
-  if(ssl) {
+  if (ssl) {
     SSL_shutdown(ssl);
   }
   bufferevent_free(session_data->bev);
   nghttp2_session_del(session_data->session);
-  for(stream_data = session_data->root.next; stream_data;) {
+  for (stream_data = session_data->root.next; stream_data;) {
     http2_stream_data *next = stream_data->next;
     delete_http2_stream_data(stream_data);
     stream_data = next;
@@ -224,11 +228,10 @@ static void delete_http2_session_data(http2_session_data *session_data)
 
 /* Serialize the frame and send (or buffer) the data to
    bufferevent. */
-static int session_send(http2_session_data *session_data)
-{
+static int session_send(http2_session_data *session_data) {
   int rv;
   rv = nghttp2_session_send(session_data->session);
-  if(rv != 0) {
+  if (rv != 0) {
     warnx("Fatal error: %s", nghttp2_strerror(rv));
     return -1;
   }
@@ -239,36 +242,33 @@ static int session_send(http2_session_data *session_data)
    function. Invocation of nghttp2_session_mem_recv() may make
    additional pending frames, so call session_send() at the end of the
    function. */
-static int session_recv(http2_session_data *session_data)
-{
+static int session_recv(http2_session_data *session_data) {
   ssize_t readlen;
   struct evbuffer *input = bufferevent_get_input(session_data->bev);
   size_t datalen = evbuffer_get_length(input);
   unsigned char *data = evbuffer_pullup(input, -1);
 
   readlen = nghttp2_session_mem_recv(session_data->session, data, datalen);
-  if(readlen < 0) {
+  if (readlen < 0) {
     warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
     return -1;
   }
-  if(evbuffer_drain(input, readlen) != 0) {
+  if (evbuffer_drain(input, readlen) != 0) {
     warnx("Fatal error: evbuffer_drain failed");
     return -1;
   }
-  if(session_send(session_data) != 0) {
+  if (session_send(session_data) != 0) {
     return -1;
   }
   return 0;
 }
 
-static ssize_t send_callback(nghttp2_session *session,
-                             const uint8_t *data, size_t length,
-                             int flags, void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
+static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
+                             size_t length, int flags _U_, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
   struct bufferevent *bev = session_data->bev;
   /* Avoid excessive buffering in server side. */
-  if(evbuffer_get_length(bufferevent_get_output(session_data->bev)) >=
+  if (evbuffer_get_length(bufferevent_get_output(session_data->bev)) >=
       OUTPUT_WOULDBLOCK_THRESHOLD) {
     return NGHTTP2_ERR_WOULDBLOCK;
   }
@@ -277,26 +277,24 @@ static ssize_t send_callback(nghttp2_session *session,
 }
 
 /* Returns nonzero if the string |s| ends with the substring |sub| */
-static int ends_with(const char *s, const char *sub)
-{
+static int ends_with(const char *s, const char *sub) {
   size_t slen = strlen(s);
   size_t sublen = strlen(sub);
-  if(slen < sublen) {
+  if (slen < sublen) {
     return 0;
   }
   return memcmp(s + slen - sublen, sub, sublen) == 0;
 }
 
 /* Returns int value of hex string character |c| */
-static uint8_t hex_to_uint(uint8_t c)
-{
-  if('0' <= c && c <= '9') {
+static uint8_t hex_to_uint(uint8_t c) {
+  if ('0' <= c && c <= '9') {
     return c - '0';
   }
-  if('A' <= c && c <= 'F') {
+  if ('A' <= c && c <= 'F') {
     return c - 'A' + 10;
   }
-  if('a' <= c && c <= 'f') {
+  if ('a' <= c && c <= 'f') {
     return c - 'a' + 10;
   }
   return 0;
@@ -306,16 +304,15 @@ static uint8_t hex_to_uint(uint8_t c)
    and returns the decoded byte string in allocated buffer. The return
    value is NULL terminated. The caller must free the returned
    string. */
-static char* percent_decode(const uint8_t *value, size_t valuelen)
-{
+static char *percent_decode(const uint8_t *value, size_t valuelen) {
   char *res;
 
   res = malloc(valuelen + 1);
-  if(valuelen > 3) {
+  if (valuelen > 3) {
     size_t i, j;
-    for(i = 0, j = 0; i < valuelen - 2;) {
-      if(value[i] != '%' ||
-         !isxdigit(value[i + 1]) || !isxdigit(value[i + 2])) {
+    for (i = 0, j = 0; i < valuelen - 2;) {
+      if (value[i] != '%' || !isxdigit(value[i + 1]) ||
+          !isxdigit(value[i + 2])) {
         res[j++] = value[i++];
         continue;
       }
@@ -331,33 +328,33 @@ static char* percent_decode(const uint8_t *value, size_t valuelen)
   return res;
 }
 
-static ssize_t file_read_callback
-(nghttp2_session *session, int32_t stream_id,
- uint8_t *buf, size_t length, uint32_t *data_flags,
- nghttp2_data_source *source, void *user_data)
-{
+static ssize_t file_read_callback(nghttp2_session *session _U_,
+                                  int32_t stream_id _U_, uint8_t *buf,
+                                  size_t length, uint32_t *data_flags,
+                                  nghttp2_data_source *source,
+                                  void *user_data _U_) {
   int fd = source->fd;
   ssize_t r;
-  while((r = read(fd, buf, length)) == -1 && errno == EINTR);
-  if(r == -1) {
+  while ((r = read(fd, buf, length)) == -1 && errno == EINTR)
+    ;
+  if (r == -1) {
     return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
   }
-  if(r == 0) {
+  if (r == 0) {
     *data_flags |= NGHTTP2_DATA_FLAG_EOF;
   }
   return r;
 }
 
 static int send_response(nghttp2_session *session, int32_t stream_id,
-                         nghttp2_nv *nva, size_t nvlen, int fd)
-{
+                         nghttp2_nv *nva, size_t nvlen, int fd) {
   int rv;
   nghttp2_data_provider data_prd;
   data_prd.source.fd = fd;
   data_prd.read_callback = file_read_callback;
 
   rv = nghttp2_submit_response(session, stream_id, nva, nvlen, &data_prd);
-  if(rv != 0) {
+  if (rv != 0) {
     warnx("Fatal error: %s", nghttp2_strerror(rv));
     return -1;
   }
@@ -368,22 +365,19 @@ const char ERROR_HTML[] = "<html><head><title>404</title></head>"
                           "<body><h1>404 Not Found</h1></body></html>";
 
 static int error_reply(nghttp2_session *session,
-                       http2_stream_data *stream_data)
-{
+                       http2_stream_data *stream_data) {
   int rv;
   ssize_t writelen;
   int pipefd[2];
-  nghttp2_nv hdrs[] = {
-    MAKE_NV(":status", "404")
-  };
+  nghttp2_nv hdrs[] = {MAKE_NV(":status", "404")};
 
   rv = pipe(pipefd);
-  if(rv != 0) {
+  if (rv != 0) {
     warn("Could not create pipe");
     rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE,
                                    stream_data->stream_id,
                                    NGHTTP2_INTERNAL_ERROR);
-    if(rv != 0) {
+    if (rv != 0) {
       warnx("Fatal error: %s", nghttp2_strerror(rv));
       return -1;
     }
@@ -393,14 +387,14 @@ static int error_reply(nghttp2_session *session,
   writelen = write(pipefd[1], ERROR_HTML, sizeof(ERROR_HTML) - 1);
   close(pipefd[1]);
 
-  if(writelen != sizeof(ERROR_HTML) - 1) {
+  if (writelen != sizeof(ERROR_HTML) - 1) {
     close(pipefd[0]);
     return -1;
   }
 
   stream_data->fd = pipefd[0];
 
-  if(send_response(session, stream_data->stream_id, hdrs, ARRLEN(hdrs),
+  if (send_response(session, stream_data->stream_id, hdrs, ARRLEN(hdrs),
                     pipefd[0]) != 0) {
     close(pipefd[0]);
     return -1;
@@ -411,27 +405,26 @@ static int error_reply(nghttp2_session *session,
 /* nghttp2_on_header_callback: Called when nghttp2 library emits
    single header name/value pair. */
 static int on_header_callback(nghttp2_session *session,
-                              const nghttp2_frame *frame,
-                              const uint8_t *name, size_t namelen,
-                              const uint8_t *value, size_t valuelen,
-                              uint8_t flags,
-                              void *user_data)
-{
+                              const nghttp2_frame *frame, const uint8_t *name,
+                              size_t namelen, const uint8_t *value,
+                              size_t valuelen, uint8_t flags _U_,
+                              void *user_data _U_) {
   http2_stream_data *stream_data;
   const char PATH[] = ":path";
-  switch(frame->hd.type) {
+  switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
-    if(frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
+    if (frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
       break;
     }
-    stream_data = nghttp2_session_get_stream_user_data(session,
-                                                       frame->hd.stream_id);
-    if(!stream_data || stream_data->request_path) {
+    stream_data =
+        nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
+    if (!stream_data || stream_data->request_path) {
       break;
     }
-    if(namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
+    if (namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
       size_t j;
-      for(j = 0; j < valuelen && value[j] != '?'; ++j);
+      for (j = 0; j < valuelen && value[j] != '?'; ++j)
+        ;
       stream_data->request_path = percent_decode(value, j);
     }
     break;
@@ -441,12 +434,11 @@ static int on_header_callback(nghttp2_session *session,
 
 static int on_begin_headers_callback(nghttp2_session *session,
                                      const nghttp2_frame *frame,
-                                     void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
+                                     void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
   http2_stream_data *stream_data;
 
-  if(frame->hd.type != NGHTTP2_HEADERS ||
+  if (frame->hd.type != NGHTTP2_HEADERS ||
       frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
     return 0;
   }
@@ -458,52 +450,47 @@ static int on_begin_headers_callback(nghttp2_session *session,
 
 /* Minimum check for directory traversal. Returns nonzero if it is
    safe. */
-static int check_path(const char *path)
-{
+static int check_path(const char *path) {
   /* We don't like '\' in url. */
-  return path[0] && path[0] == '/' &&
-    strchr(path, '\\') == NULL &&
-    strstr(path, "/../") == NULL &&
-    strstr(path, "/./") == NULL &&
+  return path[0] && path[0] == '/' && strchr(path, '\\') == NULL &&
+         strstr(path, "/../") == NULL && strstr(path, "/./") == NULL &&
          !ends_with(path, "/..") && !ends_with(path, "/.");
 }
 
 static int on_request_recv(nghttp2_session *session,
                            http2_session_data *session_data,
-                           http2_stream_data *stream_data)
-{
+                           http2_stream_data *stream_data) {
   int fd;
-  nghttp2_nv hdrs[] = {
-    MAKE_NV(":status", "200")
-  };
+  nghttp2_nv hdrs[] = {MAKE_NV(":status", "200")};
   char *rel_path;
 
-  if(!stream_data->request_path) {
-    if(error_reply(session, stream_data) != 0) {
+  if (!stream_data->request_path) {
+    if (error_reply(session, stream_data) != 0) {
       return NGHTTP2_ERR_CALLBACK_FAILURE;
     }
     return 0;
   }
   fprintf(stderr, "%s GET %s\n", session_data->client_addr,
           stream_data->request_path);
-  if(!check_path(stream_data->request_path)) {
-    if(error_reply(session, stream_data) != 0) {
+  if (!check_path(stream_data->request_path)) {
+    if (error_reply(session, stream_data) != 0) {
       return NGHTTP2_ERR_CALLBACK_FAILURE;
     }
     return 0;
   }
-  for(rel_path = stream_data->request_path; *rel_path == '/'; ++rel_path);
+  for (rel_path = stream_data->request_path; *rel_path == '/'; ++rel_path)
+    ;
   fd = open(rel_path, O_RDONLY);
-  if(fd == -1) {
-    if(error_reply(session, stream_data) != 0) {
+  if (fd == -1) {
+    if (error_reply(session, stream_data) != 0) {
       return NGHTTP2_ERR_CALLBACK_FAILURE;
     }
     return 0;
   }
   stream_data->fd = fd;
 
-  if(send_response(session, stream_data->stream_id, hdrs,
-                   ARRLEN(hdrs), fd) != 0) {
+  if (send_response(session, stream_data->stream_id, hdrs, ARRLEN(hdrs), fd) !=
+      0) {
     close(fd);
     return NGHTTP2_ERR_CALLBACK_FAILURE;
   }
@@ -511,20 +498,19 @@ static int on_request_recv(nghttp2_session *session,
 }
 
 static int on_frame_recv_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame, void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
+                                  const nghttp2_frame *frame, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
   http2_stream_data *stream_data;
-  switch(frame->hd.type) {
+  switch (frame->hd.type) {
   case NGHTTP2_DATA:
   case NGHTTP2_HEADERS:
     /* Check that the client request has finished */
-    if(frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
-      stream_data = nghttp2_session_get_stream_user_data(session,
-                                                         frame->hd.stream_id);
+    if (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
+      stream_data =
+          nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
       /* For DATA and HEADERS frame, this callback may be called after
          on_stream_close_callback. Check that stream still alive. */
-      if(!stream_data) {
+      if (!stream_data) {
         return 0;
       }
       return on_request_recv(session, session_data, stream_data);
@@ -536,16 +522,13 @@ static int on_frame_recv_callback(nghttp2_session *session,
   return 0;
 }
 
-static int on_stream_close_callback(nghttp2_session *session,
-                                    int32_t stream_id,
-                                    nghttp2_error_code error_code,
-                                    void *user_data)
-{
-  http2_session_data *session_data = (http2_session_data*)user_data;
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                    uint32_t error_code _U_, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
   http2_stream_data *stream_data;
 
   stream_data = nghttp2_session_get_stream_user_data(session, stream_id);
-  if(!stream_data) {
+  if (!stream_data) {
     return 0;
   }
   remove_stream(session_data, stream_data);
@@ -553,43 +536,49 @@ static int on_stream_close_callback(nghttp2_session *session,
   return 0;
 }
 
-static void initialize_nghttp2_session(http2_session_data *session_data)
-{
+static void initialize_nghttp2_session(http2_session_data *session_data) {
+  nghttp2_option *option;
   nghttp2_session_callbacks *callbacks;
 
+  nghttp2_option_new(&option);
+
+  /* Tells nghttp2_session object that it handles client connection
+     preface */
+  nghttp2_option_set_recv_client_preface(option, 1);
+
   nghttp2_session_callbacks_new(&callbacks);
 
   nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
 
-  nghttp2_session_callbacks_set_on_frame_recv_callback
-    (callbacks, on_frame_recv_callback);
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
 
-  nghttp2_session_callbacks_set_on_stream_close_callback
-    (callbacks, on_stream_close_callback);
+  nghttp2_session_callbacks_set_on_stream_close_callback(
+      callbacks, on_stream_close_callback);
 
-  nghttp2_session_callbacks_set_on_header_callback
-    (callbacks, on_header_callback);
+  nghttp2_session_callbacks_set_on_header_callback(callbacks,
+                                                   on_header_callback);
 
-  nghttp2_session_callbacks_set_on_begin_headers_callback
-    (callbacks, on_begin_headers_callback);
+  nghttp2_session_callbacks_set_on_begin_headers_callback(
+      callbacks, on_begin_headers_callback);
 
-  nghttp2_session_server_new(&session_data->session, callbacks, session_data);
+  nghttp2_session_server_new2(&session_data->session, callbacks, session_data,
+                              option);
 
   nghttp2_session_callbacks_del(callbacks);
+  nghttp2_option_del(option);
 }
 
 /* Send HTTP/2 client connection header, which includes 24 bytes
    magic octets and SETTINGS frame */
-static int send_server_connection_header(http2_session_data *session_data)
-{
+static int send_server_connection_header(http2_session_data *session_data) {
   nghttp2_settings_entry iv[1] = {
-    { NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100 }
-  };
+      {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
   int rv;
 
-  rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE,
-                               iv, ARRLEN(iv));
-  if(rv != 0) {
+  rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE, iv,
+                               ARRLEN(iv));
+  if (rv != 0) {
     warnx("Fatal error: %s", nghttp2_strerror(rv));
     return -1;
   }
@@ -598,10 +587,9 @@ static int send_server_connection_header(http2_session_data *session_data)
 
 /* readcb for bufferevent after client connection header was
    checked. */
-static void readcb(struct bufferevent *bev, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
-  if(session_recv(session_data) != 0) {
+static void readcb(struct bufferevent *bev _U_, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (session_recv(session_data) != 0) {
     delete_http2_session_data(session_data);
     return;
   }
@@ -615,88 +603,60 @@ static void readcb(struct bufferevent *bev, void *ptr)
    process pending data in the output buffer. This is necessary
    because we have a threshold on the buffer size to avoid too much
    buffering. See send_callback(). */
-static void writecb(struct bufferevent *bev, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
-  if(evbuffer_get_length(bufferevent_get_output(bev)) > 0) {
+static void writecb(struct bufferevent *bev, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (evbuffer_get_length(bufferevent_get_output(bev)) > 0) {
     return;
   }
-  if(nghttp2_session_want_read(session_data->session) == 0 &&
+  if (nghttp2_session_want_read(session_data->session) == 0 &&
       nghttp2_session_want_write(session_data->session) == 0) {
     delete_http2_session_data(session_data);
     return;
   }
-  if(session_send(session_data) != 0) {
+  if (session_send(session_data) != 0) {
     delete_http2_session_data(session_data);
     return;
   }
 }
 
 /* eventcb for bufferevent */
-static void eventcb(struct bufferevent *bev, short events, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
-  if(events & BEV_EVENT_CONNECTED) {
+static void eventcb(struct bufferevent *bev _U_, short events, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (events & BEV_EVENT_CONNECTED) {
     fprintf(stderr, "%s connected\n", session_data->client_addr);
+
+    initialize_nghttp2_session(session_data);
+
+    if (send_server_connection_header(session_data) != 0) {
+      delete_http2_session_data(session_data);
       return;
     }
-  if(events & BEV_EVENT_EOF) {
+
+    return;
+  }
+  if (events & BEV_EVENT_EOF) {
     fprintf(stderr, "%s EOF\n", session_data->client_addr);
-  } else if(events & BEV_EVENT_ERROR) {
+  } else if (events & BEV_EVENT_ERROR) {
     fprintf(stderr, "%s network error\n", session_data->client_addr);
-  } else if(events & BEV_EVENT_TIMEOUT) {
+  } else if (events & BEV_EVENT_TIMEOUT) {
     fprintf(stderr, "%s timeout\n", session_data->client_addr);
   }
   delete_http2_session_data(session_data);
 }
 
-/* readcb for bufferevent to check first 24 bytes client connection
-   header. */
-static void handshake_readcb(struct bufferevent *bev, void *ptr)
-{
-  http2_session_data *session_data = (http2_session_data*)ptr;
-  uint8_t data[24];
-  struct evbuffer *input = bufferevent_get_input(session_data->bev);
-  int readlen = evbuffer_remove(input, data, session_data->handshake_leftlen);
-  const char *conhead = NGHTTP2_CLIENT_CONNECTION_PREFACE;
-
-  if(memcmp(conhead + NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN
-            - session_data->handshake_leftlen, data, readlen) != 0) {
-    delete_http2_session_data(session_data);
-    return;
-  }
-  session_data->handshake_leftlen -= readlen;
-  if(session_data->handshake_leftlen == 0) {
-    bufferevent_setcb(session_data->bev, readcb, writecb, eventcb, ptr);
-    /* Process pending data in buffer since they are not notified
-       further */
-    initialize_nghttp2_session(session_data);
-    if(send_server_connection_header(session_data) != 0) {
-      delete_http2_session_data(session_data);
-      return;
-    }
-    if(session_recv(session_data) != 0) {
-      delete_http2_session_data(session_data);
-      return;
-    }
-  }
-}
-
 /* callback for evconnlistener */
-static void acceptcb(struct evconnlistener *listener, int fd,
-                     struct sockaddr *addr, int addrlen, void *arg)
-{
-  app_context *app_ctx = (app_context*)arg;
+static void acceptcb(struct evconnlistener *listener _U_, int fd,
+                     struct sockaddr *addr, int addrlen, void *arg) {
+  app_context *app_ctx = (app_context *)arg;
   http2_session_data *session_data;
 
   session_data = create_http2_session_data(app_ctx, fd, addr, addrlen);
-  bufferevent_setcb(session_data->bev, handshake_readcb, NULL, eventcb,
-                    session_data);
+
+  bufferevent_setcb(session_data->bev, readcb, writecb, eventcb, session_data);
 }
 
 static void start_listen(struct event_base *evbase, const char *service,
-                         app_context *app_ctx)
-{
+                         app_context *app_ctx) {
   int rv;
   struct addrinfo hints;
   struct addrinfo *res, *rp;
@@ -710,16 +670,15 @@ static void start_listen(struct event_base *evbase, const char *service,
 #endif /* AI_ADDRCONFIG */
 
   rv = getaddrinfo(NULL, service, &hints, &res);
-  if(rv != 0) {
+  if (rv != 0) {
     errx(1, NULL);
   }
-  for(rp = res; rp; rp = rp->ai_next) {
+  for (rp = res; rp; rp = rp->ai_next) {
     struct evconnlistener *listener;
-    listener = evconnlistener_new_bind(evbase, acceptcb, app_ctx,
-                                       LEV_OPT_CLOSE_ON_FREE |
-                                       LEV_OPT_REUSEABLE, 16,
-                                       rp->ai_addr, rp->ai_addrlen);
-    if(listener) {
+    listener = evconnlistener_new_bind(
+        evbase, acceptcb, app_ctx, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE,
+        16, rp->ai_addr, rp->ai_addrlen);
+    if (listener) {
       freeaddrinfo(res);
 
       return;
@@ -729,16 +688,14 @@ static void start_listen(struct event_base *evbase, const char *service,
 }
 
 static void initialize_app_context(app_context *app_ctx, SSL_CTX *ssl_ctx,
-                                   struct event_base *evbase)
-{
+                                   struct event_base *evbase) {
   memset(app_ctx, 0, sizeof(app_context));
   app_ctx->ssl_ctx = ssl_ctx;
   app_ctx->evbase = evbase;
 }
 
-static void run(const char *service,
-                const char *key_file, const char *cert_file)
-{
+static void run(const char *service, const char *key_file,
+                const char *cert_file) {
   SSL_CTX *ssl_ctx;
   app_context app_ctx;
   struct event_base *evbase;
@@ -754,11 +711,10 @@ static void run(const char *service,
   SSL_CTX_free(ssl_ctx);
 }
 
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
   struct sigaction act;
 
-  if(argc < 4) {
+  if (argc < 4) {
     fprintf(stderr, "Usage: libevent-server PORT KEY_FILE CERT_FILE\n");
     exit(EXIT_FAILURE);
   }

gendowncasetbl.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+import sys
+
+def name(i):
+    if i < 0x20:
+        return \
+            ['NUL ', 'SOH ', 'STX ', 'ETX ', 'EOT ', 'ENQ ', 'ACK ', 'BEL ',
+             'BS  ', 'HT  ', 'LF  ', 'VT  ', 'FF  ', 'CR  ', 'SO  ', 'SI  ',
+             'DLE ', 'DC1 ', 'DC2 ', 'DC3 ', 'DC4 ', 'NAK ', 'SYN ', 'ETB ',
+             'CAN ', 'EM  ', 'SUB ', 'ESC ', 'FS  ', 'GS  ', 'RS  ', 'US  '][i]
+    elif i == 0x7f:
+        return 'DEL '
+
+for i in range(256):
+    if chr(i) == ' ':
+        sys.stdout.write('{} /* SPC  */, '.format(i))
+    elif chr(i) == '\t':
+        sys.stdout.write('{} /* HT   */, '.format(i))
+    elif 'A' <= chr(i) and chr(i) <= 'Z':
+        sys.stdout.write('{} /* {}    */, '.format(i - ord('A') + ord('a'), chr(i)))
+    elif (0x21 <= i and i < 0x7f):
+        sys.stdout.write('{} /* {}    */, '.format(i, chr(i)))
+    elif 0x80 <= i:
+        sys.stdout.write('{} /* {} */, '.format(i, hex(i)))
+    elif 0 == i:
+        sys.stdout.write('{} /* NUL  */, '.format(i))
+    else:
+        sys.stdout.write('{} /* {} */, '.format(i, name(i)))
+    if (i + 1)%4 == 0:
+        sys.stdout.write('\n')

genheaderfunc.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python
+
+HEADERS = [
+    ':authority',
+    ':method',
+    ':path',
+    ':scheme',
+    ':status',
+    ':host', # for spdy
+    'expect',
+    'host',
+    'if-modified-since',
+    "te",
+    "cookie",
+    "http2-settings",
+    "server",
+    "via",
+    "x-forwarded-for",
+    "x-forwarded-proto",
+    "alt-svc",
+    "content-length",
+    "location",
+    "trailer",
+    # disallowed h1 headers
+    'connection',
+    'keep-alive',
+    'proxy-connection',
+    'transfer-encoding',
+    'upgrade'
+]
+
+def to_enum_hd(k):
+    res = 'HD_'
+    for c in k.upper():
+        if c == ':' or c == '-':
+            res += '_'
+            continue
+        res += c
+    return res
+
+def build_header(headers):
+    res = {}
+    for k in headers:
+        size = len(k)
+        if size not in res:
+            res[size] = {}
+        ent = res[size]
+        c = k[-1]
+        if c not in ent:
+            ent[c] = []
+        ent[c].append(k)
+
+    return res
+
+def gen_enum():
+    print '''\
+enum {'''
+    for k in sorted(HEADERS):
+        print '''\
+  {},'''.format(to_enum_hd(k))
+    print '''\
+  HD_MAXIDX,
+};'''
+
+def gen_index_header():
+    print '''\
+int lookup_token(const uint8_t *name, size_t namelen) {
+  switch (namelen) {'''
+    b = build_header(HEADERS)
+    for size in sorted(b.keys()):
+        ents = b[size]
+        print '''\
+  case {}:'''.format(size)
+        print '''\
+    switch (name[namelen - 1]) {'''
+        for c in sorted(ents.keys()):
+            headers = sorted(ents[c])
+            print '''\
+    case '{}':'''.format(c)
+            for k in headers:
+                print '''\
+      if (util::streq("{}", name, {})) {{
+        return {};
+      }}'''.format(k[:-1], size - 1, to_enum_hd(k))
+            print '''\
+      break;'''
+        print '''\
+    }
+    break;'''
+    print '''\
+  }
+  return -1;
+}'''
+
+if __name__ == '__main__':
+    gen_enum()
+    print ''
+    gen_index_header()

git-clang-format

@@ -0,0 +1,484 @@
+#!/usr/bin/env python
+#
+#===- git-clang-format - ClangFormat Git Integration ---------*- python -*--===#
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+#===------------------------------------------------------------------------===#
+
+r"""                                                                             
+clang-format git integration                                                     
+============================                                                     
+                                                                                 
+This file provides a clang-format integration for git. Put it somewhere in your  
+path and ensure that it is executable. Then, "git clang-format" will invoke      
+clang-format on the changes in current files or a specific commit.               
+                                                                                 
+For further details, run:                                                        
+git clang-format -h                                                              
+                                                                                 
+Requires Python 2.7                                                              
+"""               
+
+import argparse
+import collections
+import contextlib
+import errno
+import os
+import re
+import subprocess
+import sys
+
+usage = 'git clang-format [OPTIONS] [<commit>] [--] [<file>...]'
+
+desc = '''
+Run clang-format on all lines that differ between the working directory
+and <commit>, which defaults to HEAD.  Changes are only applied to the working
+directory.
+
+The following git-config settings set the default of the corresponding option:
+  clangFormat.binary
+  clangFormat.commit
+  clangFormat.extension
+  clangFormat.style
+'''
+
+# Name of the temporary index file in which save the output of clang-format.
+# This file is created within the .git directory.
+temp_index_basename = 'clang-format-index'
+
+
+Range = collections.namedtuple('Range', 'start, count')
+
+
+def main():
+  config = load_git_config()
+
+  # In order to keep '--' yet allow options after positionals, we need to
+  # check for '--' ourselves.  (Setting nargs='*' throws away the '--', while
+  # nargs=argparse.REMAINDER disallows options after positionals.)
+  argv = sys.argv[1:]
+  try:
+    idx = argv.index('--')
+  except ValueError:
+    dash_dash = []
+  else:
+    dash_dash = argv[idx:]
+    argv = argv[:idx]
+
+  default_extensions = ','.join([
+      # From clang/lib/Frontend/FrontendOptions.cpp, all lower case
+      'c', 'h',  # C
+      'm',  # ObjC
+      'mm',  # ObjC++
+      'cc', 'cp', 'cpp', 'c++', 'cxx', 'hpp',  # C++
+      # Other languages that clang-format supports
+      'proto', 'protodevel',  # Protocol Buffers
+      'js',  # JavaScript
+      ])
+
+  p = argparse.ArgumentParser(
+    usage=usage, formatter_class=argparse.RawDescriptionHelpFormatter,
+    description=desc)
+  p.add_argument('--binary',
+                 default=config.get('clangformat.binary', 'clang-format'),
+                 help='path to clang-format'),
+  p.add_argument('--commit',
+                 default=config.get('clangformat.commit', 'HEAD'),
+                 help='default commit to use if none is specified'),
+  p.add_argument('--diff', action='store_true',
+                 help='print a diff instead of applying the changes')
+  p.add_argument('--extensions',
+                 default=config.get('clangformat.extensions',
+                                    default_extensions),
+                 help=('comma-separated list of file extensions to format, '
+                       'excluding the period and case-insensitive')),
+  p.add_argument('-f', '--force', action='store_true',
+                 help='allow changes to unstaged files')
+  p.add_argument('-p', '--patch', action='store_true',
+                 help='select hunks interactively')
+  p.add_argument('-q', '--quiet', action='count', default=0,
+                 help='print less information')
+  p.add_argument('--style',
+                 default=config.get('clangformat.style', None),
+                 help='passed to clang-format'),
+  p.add_argument('-v', '--verbose', action='count', default=0,
+                 help='print extra information')
+  # We gather all the remaining positional arguments into 'args' since we need
+  # to use some heuristics to determine whether or not <commit> was present.
+  # However, to print pretty messages, we make use of metavar and help.
+  p.add_argument('args', nargs='*', metavar='<commit>',
+                 help='revision from which to compute the diff')
+  p.add_argument('ignored', nargs='*', metavar='<file>...',
+                 help='if specified, only consider differences in these files')
+  opts = p.parse_args(argv)
+
+  opts.verbose -= opts.quiet
+  del opts.quiet
+
+  commit, files = interpret_args(opts.args, dash_dash, opts.commit)
+  changed_lines = compute_diff_and_extract_lines(commit, files)
+  if opts.verbose >= 1:
+    ignored_files = set(changed_lines)
+  filter_by_extension(changed_lines, opts.extensions.lower().split(','))
+  if opts.verbose >= 1:
+    ignored_files.difference_update(changed_lines)
+    if ignored_files:
+      print 'Ignoring changes in the following files (wrong extension):'
+      for filename in ignored_files:
+        print '   ', filename
+    if changed_lines:
+      print 'Running clang-format on the following files:'
+      for filename in changed_lines:
+        print '   ', filename
+  if not changed_lines:
+    print 'no modified files to format'
+    return
+  # The computed diff outputs absolute paths, so we must cd before accessing
+  # those files.
+  cd_to_toplevel()
+  old_tree = create_tree_from_workdir(changed_lines)
+  new_tree = run_clang_format_and_save_to_tree(changed_lines,
+                                               binary=opts.binary,
+                                               style=opts.style)
+  if opts.verbose >= 1:
+    print 'old tree:', old_tree
+    print 'new tree:', new_tree
+  if old_tree == new_tree:
+    if opts.verbose >= 0:
+      print 'clang-format did not modify any files'
+  elif opts.diff:
+    print_diff(old_tree, new_tree)
+  else:
+    changed_files = apply_changes(old_tree, new_tree, force=opts.force,
+                                  patch_mode=opts.patch)
+    if (opts.verbose >= 0 and not opts.patch) or opts.verbose >= 1:
+      print 'changed files:'
+      for filename in changed_files:
+        print '   ', filename
+
+
+def load_git_config(non_string_options=None):
+  """Return the git configuration as a dictionary.
+
+  All options are assumed to be strings unless in `non_string_options`, in which
+  is a dictionary mapping option name (in lower case) to either "--bool" or
+  "--int"."""
+  if non_string_options is None:
+    non_string_options = {}
+  out = {}
+  for entry in run('git', 'config', '--list', '--null').split('\0'):
+    if entry:
+      name, value = entry.split('\n', 1)
+      if name in non_string_options:
+        value = run('git', 'config', non_string_options[name], name)
+      out[name] = value
+  return out
+
+
+def interpret_args(args, dash_dash, default_commit):
+  """Interpret `args` as "[commit] [--] [files...]" and return (commit, files).
+
+  It is assumed that "--" and everything that follows has been removed from
+  args and placed in `dash_dash`.
+
+  If "--" is present (i.e., `dash_dash` is non-empty), the argument to its
+  left (if present) is taken as commit.  Otherwise, the first argument is
+  checked if it is a commit or a file.  If commit is not given,
+  `default_commit` is used."""
+  if dash_dash:
+    if len(args) == 0:
+      commit = default_commit
+    elif len(args) > 1:
+      die('at most one commit allowed; %d given' % len(args))
+    else:
+      commit = args[0]
+    object_type = get_object_type(commit)
+    if object_type not in ('commit', 'tag'):
+      if object_type is None:
+        die("'%s' is not a commit" % commit)
+      else:
+        die("'%s' is a %s, but a commit was expected" % (commit, object_type))
+    files = dash_dash[1:]
+  elif args:
+    if disambiguate_revision(args[0]):
+      commit = args[0]
+      files = args[1:]
+    else:
+      commit = default_commit
+      files = args
+  else:
+    commit = default_commit
+    files = []
+  return commit, files
+
+
+def disambiguate_revision(value):
+  """Returns True if `value` is a revision, False if it is a file, or dies."""
+  # If `value` is ambiguous (neither a commit nor a file), the following
+  # command will die with an appropriate error message.
+  run('git', 'rev-parse', value, verbose=False)
+  object_type = get_object_type(value)
+  if object_type is None:
+    return False
+  if object_type in ('commit', 'tag'):
+    return True
+  die('`%s` is a %s, but a commit or filename was expected' %
+      (value, object_type))
+
+
+def get_object_type(value):
+  """Returns a string description of an object's type, or None if it is not
+  a valid git object."""
+  cmd = ['git', 'cat-file', '-t', value]
+  p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  stdout, stderr = p.communicate()
+  if p.returncode != 0:
+    return None
+  return stdout.strip()
+
+
+def compute_diff_and_extract_lines(commit, files):
+  """Calls compute_diff() followed by extract_lines()."""
+  diff_process = compute_diff(commit, files)
+  changed_lines = extract_lines(diff_process.stdout)
+  diff_process.stdout.close()
+  diff_process.wait()
+  if diff_process.returncode != 0:
+    # Assume error was already printed to stderr.
+    sys.exit(2)
+  return changed_lines
+
+
+def compute_diff(commit, files):
+  """Return a subprocess object producing the diff from `commit`.
+
+  The return value's `stdin` file object will produce a patch with the
+  differences between the working directory and `commit`, filtered on `files`
+  (if non-empty).  Zero context lines are used in the patch."""
+  cmd = ['git', 'diff-index', '-p', '-U0', commit, '--']
+  cmd.extend(files)
+  p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+  p.stdin.close()
+  return p
+
+
+def extract_lines(patch_file):
+  """Extract the changed lines in `patch_file`.
+
+  The return value is a dictionary mapping filename to a list of (start_line,
+  line_count) pairs.
+
+  The input must have been produced with ``-U0``, meaning unidiff format with
+  zero lines of context.  The return value is a dict mapping filename to a
+  list of line `Range`s."""
+  matches = {}
+  for line in patch_file:
+    match = re.search(r'^\+\+\+\ [^/]+/(.*)', line)
+    if match:
+      filename = match.group(1).rstrip('\r\n')
+    match = re.search(r'^@@ -[0-9,]+ \+(\d+)(,(\d+))?', line)
+    if match:
+      start_line = int(match.group(1))
+      line_count = 1
+      if match.group(3):
+        line_count = int(match.group(3))
+      if line_count > 0:
+        matches.setdefault(filename, []).append(Range(start_line, line_count))
+  return matches
+
+
+def filter_by_extension(dictionary, allowed_extensions):
+  """Delete every key in `dictionary` that doesn't have an allowed extension.
+
+  `allowed_extensions` must be a collection of lowercase file extensions,
+  excluding the period."""
+  allowed_extensions = frozenset(allowed_extensions)
+  for filename in dictionary.keys():
+    base_ext = filename.rsplit('.', 1)
+    if len(base_ext) == 1 or base_ext[1].lower() not in allowed_extensions:
+      del dictionary[filename]
+
+
+def cd_to_toplevel():
+  """Change to the top level of the git repository."""
+  toplevel = run('git', 'rev-parse', '--show-toplevel')
+  os.chdir(toplevel)
+
+
+def create_tree_from_workdir(filenames):
+  """Create a new git tree with the given files from the working directory.
+
+  Returns the object ID (SHA-1) of the created tree."""
+  return create_tree(filenames, '--stdin')
+
+
+def run_clang_format_and_save_to_tree(changed_lines, binary='clang-format',
+                                      style=None):
+  """Run clang-format on each file and save the result to a git tree.
+
+  Returns the object ID (SHA-1) of the created tree."""
+  def index_info_generator():
+    for filename, line_ranges in changed_lines.iteritems():
+      mode = oct(os.stat(filename).st_mode)
+      blob_id = clang_format_to_blob(filename, line_ranges, binary=binary,
+                                     style=style)
+      yield '%s %s\t%s' % (mode, blob_id, filename)
+  return create_tree(index_info_generator(), '--index-info')
+
+
+def create_tree(input_lines, mode):
+  """Create a tree object from the given input.
+
+  If mode is '--stdin', it must be a list of filenames.  If mode is
+  '--index-info' is must be a list of values suitable for "git update-index
+  --index-info", such as "<mode> <SP> <sha1> <TAB> <filename>".  Any other mode
+  is invalid."""
+  assert mode in ('--stdin', '--index-info')
+  cmd = ['git', 'update-index', '--add', '-z', mode]
+  with temporary_index_file():
+    p = subprocess.Popen(cmd, stdin=subprocess.PIPE)
+    for line in input_lines:
+      p.stdin.write('%s\0' % line)
+    p.stdin.close()
+    if p.wait() != 0:
+      die('`%s` failed' % ' '.join(cmd))
+    tree_id = run('git', 'write-tree')
+    return tree_id
+
+
+def clang_format_to_blob(filename, line_ranges, binary='clang-format',
+                         style=None):
+  """Run clang-format on the given file and save the result to a git blob.
+
+  Returns the object ID (SHA-1) of the created blob."""
+  clang_format_cmd = [binary, filename]
+  if style:
+    clang_format_cmd.extend(['-style='+style])
+  clang_format_cmd.extend([
+      '-lines=%s:%s' % (start_line, start_line+line_count-1)
+      for start_line, line_count in line_ranges])
+  try:
+    clang_format = subprocess.Popen(clang_format_cmd, stdin=subprocess.PIPE,
+                                    stdout=subprocess.PIPE)
+  except OSError as e:
+    if e.errno == errno.ENOENT:
+      die('cannot find executable "%s"' % binary)
+    else:
+      raise
+  clang_format.stdin.close()
+  hash_object_cmd = ['git', 'hash-object', '-w', '--path='+filename, '--stdin']
+  hash_object = subprocess.Popen(hash_object_cmd, stdin=clang_format.stdout,
+                                 stdout=subprocess.PIPE)
+  clang_format.stdout.close()
+  stdout = hash_object.communicate()[0]
+  if hash_object.returncode != 0:
+    die('`%s` failed' % ' '.join(hash_object_cmd))
+  if clang_format.wait() != 0:
+    die('`%s` failed' % ' '.join(clang_format_cmd))
+  return stdout.rstrip('\r\n')
+
+
+@contextlib.contextmanager
+def temporary_index_file(tree=None):
+  """Context manager for setting GIT_INDEX_FILE to a temporary file and deleting
+  the file afterward."""
+  index_path = create_temporary_index(tree)
+  old_index_path = os.environ.get('GIT_INDEX_FILE')
+  os.environ['GIT_INDEX_FILE'] = index_path
+  try:
+    yield
+  finally:
+    if old_index_path is None:
+      del os.environ['GIT_INDEX_FILE']
+    else:
+      os.environ['GIT_INDEX_FILE'] = old_index_path
+    os.remove(index_path)
+
+
+def create_temporary_index(tree=None):
+  """Create a temporary index file and return the created file's path.
+
+  If `tree` is not None, use that as the tree to read in.  Otherwise, an
+  empty index is created."""
+  gitdir = run('git', 'rev-parse', '--git-dir')
+  path = os.path.join(gitdir, temp_index_basename)
+  if tree is None:
+    tree = '--empty'
+  run('git', 'read-tree', '--index-output='+path, tree)
+  return path
+
+
+def print_diff(old_tree, new_tree):
+  """Print the diff between the two trees to stdout."""
+  # We use the porcelain 'diff' and not plumbing 'diff-tree' because the output
+  # is expected to be viewed by the user, and only the former does nice things
+  # like color and pagination.
+  subprocess.check_call(['git', 'diff', old_tree, new_tree, '--'])
+
+
+def apply_changes(old_tree, new_tree, force=False, patch_mode=False):
+  """Apply the changes in `new_tree` to the working directory.
+
+  Bails if there are local changes in those files and not `force`.  If
+  `patch_mode`, runs `git checkout --patch` to select hunks interactively."""
+  changed_files = run('git', 'diff-tree', '-r', '-z', '--name-only', old_tree,
+                      new_tree).rstrip('\0').split('\0')
+  if not force:
+    unstaged_files = run('git', 'diff-files', '--name-status', *changed_files)
+    if unstaged_files:
+      print >>sys.stderr, ('The following files would be modified but '
+                           'have unstaged changes:')
+      print >>sys.stderr, unstaged_files
+      print >>sys.stderr, 'Please commit, stage, or stash them first.'
+      sys.exit(2)
+  if patch_mode:
+    # In patch mode, we could just as well create an index from the new tree
+    # and checkout from that, but then the user will be presented with a
+    # message saying "Discard ... from worktree".  Instead, we use the old
+    # tree as the index and checkout from new_tree, which gives the slightly
+    # better message, "Apply ... to index and worktree".  This is not quite
+    # right, since it won't be applied to the user's index, but oh well.
+    with temporary_index_file(old_tree):
+      subprocess.check_call(['git', 'checkout', '--patch', new_tree])
+    index_tree = old_tree
+  else:
+    with temporary_index_file(new_tree):
+      run('git', 'checkout-index', '-a', '-f')
+  return changed_files
+
+
+def run(*args, **kwargs):
+  stdin = kwargs.pop('stdin', '')
+  verbose = kwargs.pop('verbose', True)
+  strip = kwargs.pop('strip', True)
+  for name in kwargs:
+    raise TypeError("run() got an unexpected keyword argument '%s'" % name)
+  p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+                       stdin=subprocess.PIPE)
+  stdout, stderr = p.communicate(input=stdin)
+  if p.returncode == 0:
+    if stderr:
+      if verbose:
+        print >>sys.stderr, '`%s` printed to stderr:' % ' '.join(args)
+      print >>sys.stderr, stderr.rstrip()
+    if strip:
+      stdout = stdout.rstrip('\r\n')
+    return stdout
+  if verbose:
+    print >>sys.stderr, '`%s` returned %s' % (' '.join(args), p.returncode)
+  if stderr:
+    print >>sys.stderr, stderr.rstrip()
+  sys.exit(2)
+
+
+def die(message):
+  print >>sys.stderr, 'error:', message
+  sys.exit(2)
+
+
+if __name__ == '__main__':
+  main()

help2rst.py

@@ -0,0 +1,178 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# script to produce rst file from program's help output.
+
+from __future__ import unicode_literals
+import sys
+import re
+import argparse
+
+arg_indent = ' ' * 14
+
+def help2man(infile):
+    # We assume that first line is usage line like this:
+    #
+    # Usage: nghttp [OPTIONS]... URI...
+    #
+    # The second line is description of the command.  Multiple lines
+    # are permitted.  The blank line signals the end of this section.
+    # After that, we parses positional and optional arguments.
+    #
+    # The positional argument is enclosed with < and >:
+    #
+    # <PRIVATE_KEY>
+    #
+    # We may describe default behavior without any options by encoding
+    # ( and ):
+    #
+    # (default mode)
+    #
+    # "Options:" is treated specially and produces "OPTIONS" section.
+    # We allow subsection under OPTIONS.  Lines not starting with (, <
+    # and Options: are treated as subsection name and produces section
+    # one level down:
+    #
+    # TLS/SSL:
+    #
+    # The above is an example of subsection.
+    #
+    # The description of arguments must be indented by len(arg_indent)
+    # characters.  The default value should be placed in separate line
+    # and should be start with "Default: " after indentation.
+
+    line = infile.readline().strip()
+    m = re.match(r'^Usage: (.*)', line)
+    if not m:
+        print 'usage line is invalid.  Expected following lines:'
+        print 'Usage: cmdname ...'
+        sys.exit(1)
+    synopsis = m.group(1).split(' ', 1)
+    if len(synopsis) == 2:
+        cmdname, args = synopsis
+    else:
+        cmdname, args = synopsis[0], ''
+
+    description = []
+    for line in infile:
+        line = line.strip()
+        if not line:
+            break
+        description.append(line)
+
+    print '''
+{cmdname}(1)
+{cmdnameunderline}
+
+SYNOPSIS
+--------
+
+**{cmdname}** {args}
+
+DESCRIPTION
+-----------
+
+{description}
+'''.format(cmdname=cmdname, args=args,
+           cmdnameunderline='=' * (len(cmdname) + 3),
+           synopsis=synopsis, description=format_text('\n'.join(description)))
+
+    in_arg = False
+
+    for line in infile:
+        line = line.rstrip()
+
+        if not line.strip() and in_arg:
+            print ''
+            continue
+        if line.startswith('   ') and in_arg:
+            if not line.startswith(arg_indent):
+                sys.stderr.write('warning: argument description is not indented correctly.  We need {} spaces as indentation.\n'.format(len(arg_indent)))
+            print '{}'.format(format_arg_text(line[len(arg_indent):]))
+            continue
+
+        if in_arg:
+            print ''
+            in_arg = False
+
+        if line == 'Options:':
+            print 'OPTIONS:'
+            print '--------'
+            print ''
+            continue
+
+        if line.startswith('  <'):
+            # positional argument
+            m = re.match(r'^(?:\s+)([a-zA-Z0-9-_<>]+)(.*)', line)
+            argname, rest = m.group(1), m.group(2)
+            print '.. describe:: {}'.format(argname)
+            print ''
+            print '{}'.format(format_arg_text(rest.strip()))
+            in_arg = True
+            continue
+
+        if line.startswith('  ('):
+            # positional argument
+            m = re.match(r'^(?:\s+)(\([a-zA-Z0-9-_<> ]+\))(.*)', line)
+            argname, rest = m.group(1), m.group(2)
+            print '.. describe:: {}'.format(argname)
+            print ''
+            print '{}'.format(format_arg_text(rest.strip()))
+            in_arg = True
+            continue
+
+        if line.startswith('  -'):
+            # optional argument
+            m = re.match(
+                r'^(?:\s+)(-\S+?(?:, -\S+?)*)($| .*)',
+                line)
+            argname, rest = m.group(1), m.group(2)
+            print '.. option:: {}'.format(argname)
+            print ''
+            rest = rest.strip()
+            if len(rest):
+                print '{}'.format(format_arg_text(rest))
+            in_arg = True
+            continue
+
+        if not line.startswith(' ') and line.endswith(':'):
+            # subsection
+            subsec = line.strip()
+            print '{}'.format(subsec)
+            print '{}'.format('~' * len(subsec))
+            print ''
+            continue
+
+        print line.strip()
+
+def format_text(text):
+    # escape *
+    if len(text) > len(arg_indent):
+        text = text[:len(arg_indent) + 1] + re.sub(r'\*', r'\*', text[len(arg_indent) + 1:])
+    else:
+        text = re.sub(r'\*', r'\*', text)
+    # markup option reference
+    text = re.sub(r'(^|\s)(-[a-zA-Z0-9-]+)', r'\1:option:`\2`', text)
+    # sphinx does not like markup like ':option:`-f`='.  We need
+    # backslash between ` and =.
+    text = re.sub(r'(:option:`.*?`)(\S)', r'\1\\\2', text)
+    # file path should be italic
+    text = re.sub(r'(^|\s|\'|")(/[^\s\'"]*)', r'\1*\2*', text)
+    return text
+
+def format_arg_text(text):
+    if text.strip().startswith('Default: '):
+        return '\n    ' + re.sub(r'^(\s*Default: )(.*)$', r'\1``\2``', text)
+    return '    {}'.format(format_text(text))
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description='Produces rst document from help output.')
+    parser.add_argument('-i', '--include', metavar='FILE',
+                        help='include content of <FILE> as verbatim.  It should be ReST formatted text.')
+    args = parser.parse_args()
+    help2man(sys.stdin)
+    if args.include:
+        print ''
+        with open(args.include) as f:
+            sys.stdout.write(f.read())

integration-tests/Makefile.am

@@ -0,0 +1,43 @@
+# nghttp2 - HTTP/2 C Library
+
+# Copyright (c) 2015 Tatsuhiro Tsujikawa
+
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+EXTRA_DIST = \
+	nghttpx_http1_test.go \
+	nghttpx_http2_test.go \
+	nghttpx_spdy_test.go \
+	server_tester.go \
+	server.key \
+	server.crt \
+	alt-server.key \
+	alt-server.crt \
+	setenv
+
+.PHONY: itprep it
+
+itprep:
+	go get -d -v github.com/bradfitz/http2
+	go get -d -v github.com/tatsuhiro-t/go-nghttp2
+	go get -d -v golang.org/x/net/spdy
+
+it:
+	sh setenv go test -v

integration-tests/alt-server.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

integration-tests/alt-server.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

integration-tests/config.go.in

@@ -0,0 +1,5 @@
+package nghttp2
+
+const (
+	buildDir = "@top_builddir@"
+)

integration-tests/nghttpx_http1_test.go

@@ -0,0 +1,211 @@
+package nghttp2
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/bradfitz/http2/hpack"
+	"io"
+	"net/http"
+	"syscall"
+	"testing"
+)
+
+// TestH1H1PlainGET tests whether simple HTTP/1 GET request works.
+func TestH1H1PlainGET(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	res, err := st.http1(requestParam{
+		name: "TestH1H1PlainGET",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+
+	want := 200
+	if got := res.status; got != want {
+		t.Errorf("status = %v; want %v", got, want)
+	}
+}
+
+// TestH1H1PlainGETClose tests whether simple HTTP/1 GET request with
+// Connetion: close request header field works.
+func TestH1H1PlainGETClose(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	res, err := st.http1(requestParam{
+		name: "TestH1H1PlainGETClose",
+		header: []hpack.HeaderField{
+			pair("Connection", "close"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+
+	want := 200
+	if got := res.status; got != want {
+		t.Errorf("status = %v; want %v", got, want)
+	}
+}
+
+// TestH1H1MultipleRequestCL tests that server rejects request which
+// contains multiple Content-Length header fields.
+func TestH1H1MultipleRequestCL(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("server should not forward bad request")
+	})
+	defer st.Close()
+
+	if _, err := io.WriteString(st.conn, fmt.Sprintf(`GET / HTTP/1.1
+Host: %v
+Test-Case: TestH1H1MultipleRequestCL
+Content-Length: 0
+Content-Length: 0
+
+`, st.authority)); err != nil {
+		t.Fatalf("Error io.WriteString() = %v", err)
+	}
+
+	resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
+	if err != nil {
+		t.Fatalf("Error http.ReadResponse() = %v", err)
+	}
+
+	want := 400
+	if got := resp.StatusCode; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH1H1ConnectFailure tests that server handles the situation that
+// connection attempt to HTTP/1 backend failed.
+func TestH1H1ConnectFailure(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	// shutdown backend server to simulate backend connect failure
+	st.ts.Close()
+
+	res, err := st.http1(requestParam{
+		name: "TestH1H1ConnectFailure",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+	want := 503
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH1H1GracefulShutdown tests graceful shutdown.
+func TestH1H1GracefulShutdown(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	res, err := st.http1(requestParam{
+		name: "TestH1H1GracefulShutdown-1",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+
+	if got, want := res.status, 200; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+
+	st.cmd.Process.Signal(syscall.SIGQUIT)
+
+	res, err = st.http1(requestParam{
+		name: "TestH1H1GracefulShutdown-2",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+
+	if got, want := res.status, 200; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+
+	if got, want := res.connClose, true; got != want {
+		t.Errorf("res.connClose: %v; want %v", got, want)
+	}
+
+	want := io.EOF
+	if _, err := st.conn.Read(nil); err == nil || err != want {
+		t.Errorf("st.conn.Read(): %v; want %v", err, want)
+	}
+}
+
+// TestH1H2ConnectFailure tests that server handles the situation that
+// connection attempt to HTTP/2 backend failed.
+func TestH1H2ConnectFailure(t *testing.T) {
+	st := newServerTester([]string{"--http2-bridge"}, t, noopHandler)
+	defer st.Close()
+
+	// simulate backend connect attempt failure
+	st.ts.Close()
+
+	res, err := st.http1(requestParam{
+		name: "TestH1H2ConnectFailure",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+	want := 503
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH1H2NoHost tests that server rejects request without Host
+// header field for HTTP/2 backend.
+func TestH1H2NoHost(t *testing.T) {
+	st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("server should not forward bad request")
+	})
+	defer st.Close()
+
+	// without Host header field, we expect 400 response
+	if _, err := io.WriteString(st.conn, "GET / HTTP/1.1\r\nTest-Case: TestH1H2NoHost\r\n\r\n"); err != nil {
+		t.Fatalf("Error io.WriteString() = %v", err)
+	}
+
+	resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
+	if err != nil {
+		t.Fatalf("Error http.ReadResponse() = %v", err)
+	}
+
+	want := 400
+	if got := resp.StatusCode; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH1H2CrumbleCookie tests that Cookies are crumbled and assembled
+// when forwarding to HTTP/2 backend link.  go-nghttp2 server
+// concatenates crumbled Cookies automatically, so this test is not
+// much effective now.
+func TestH1H2CrumbleCookie(t *testing.T) {
+	st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
+		if got, want := r.Header.Get("Cookie"), "alpha; bravo; charlie"; got != want {
+			t.Errorf("Cookie: %v; want %v", got, want)
+		}
+	})
+	defer st.Close()
+
+	res, err := st.http1(requestParam{
+		name: "TestH1H2CrumbleCookie",
+		header: []hpack.HeaderField{
+			pair("Cookie", "alpha; bravo; charlie"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http1() = %v", err)
+	}
+	if got, want := res.status, 200; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}

integration-tests/nghttpx_http2_test.go

@@ -0,0 +1,515 @@
+package nghttp2
+
+import (
+	"crypto/tls"
+	"fmt"
+	"github.com/bradfitz/http2"
+	"github.com/bradfitz/http2/hpack"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"syscall"
+	"testing"
+)
+
+// TestH1H2PlainGET tests whether simple HTTP/2 GET request works.
+func TestH2H1PlainGET(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1PlainGET",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+
+	want := 200
+	if res.status != want {
+		t.Errorf("status = %v; want %v", res.status, want)
+	}
+}
+
+// TestH2H1AddXff tests that server generates X-Forwarded-For header
+// field when forwarding request to backend.
+func TestH2H1AddXff(t *testing.T) {
+	st := newServerTester([]string{"--add-x-forwarded-for"}, t, func(w http.ResponseWriter, r *http.Request) {
+		xff := r.Header.Get("X-Forwarded-For")
+		want := "127.0.0.1"
+		if xff != want {
+			t.Errorf("X-Forwarded-For = %v; want %v", xff, want)
+		}
+	})
+	defer st.Close()
+
+	_, err := st.http2(requestParam{
+		name: "TestH2H1AddXff",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+}
+
+// TestH2H1AddXff2 tests that server appends X-Forwarded-For header
+// field to existing one when forwarding request to backend.
+func TestH2H1AddXff2(t *testing.T) {
+	st := newServerTester([]string{"--add-x-forwarded-for"}, t, func(w http.ResponseWriter, r *http.Request) {
+		xff := r.Header.Get("X-Forwarded-For")
+		want := "host, 127.0.0.1"
+		if xff != want {
+			t.Errorf("X-Forwarded-For = %v; want %v", xff, want)
+		}
+	})
+	defer st.Close()
+
+	_, err := st.http2(requestParam{
+		name: "TestH2H1AddXff2",
+		header: []hpack.HeaderField{
+			pair("x-forwarded-for", "host"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+}
+
+// TestH2H1StripXff tests that --strip-incoming-x-forwarded-for
+// option.
+func TestH2H1StripXff(t *testing.T) {
+	st := newServerTester([]string{"--strip-incoming-x-forwarded-for"}, t, func(w http.ResponseWriter, r *http.Request) {
+		if xff, found := r.Header["X-Forwarded-For"]; found {
+			t.Errorf("X-Forwarded-For = %v; want nothing", xff)
+		}
+	})
+	defer st.Close()
+
+	_, err := st.http2(requestParam{
+		name: "TestH2H1StripXff1",
+		header: []hpack.HeaderField{
+			pair("x-forwarded-for", "host"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+}
+
+// TestH2H1StripAddXff tests that --strip-incoming-x-forwarded-for and
+// --add-x-forwarded-for options.
+func TestH2H1StripAddXff(t *testing.T) {
+	args := []string{
+		"--strip-incoming-x-forwarded-for",
+		"--add-x-forwarded-for",
+	}
+	st := newServerTester(args, t, func(w http.ResponseWriter, r *http.Request) {
+		xff := r.Header.Get("X-Forwarded-For")
+		want := "127.0.0.1"
+		if xff != want {
+			t.Errorf("X-Forwarded-For = %v; want %v", xff, want)
+		}
+	})
+	defer st.Close()
+
+	_, err := st.http2(requestParam{
+		name: "TestH2H1StripAddXff",
+		header: []hpack.HeaderField{
+			pair("x-forwarded-for", "host"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+}
+
+// TestH2H1BadRequestCL tests that server rejects request whose
+// content-length header field value does not match its request body
+// size.
+func TestH2H1BadRequestCL(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	// we set content-length: 1024, but the actual request body is
+	// 3 bytes.
+	res, err := st.http2(requestParam{
+		name:   "TestH2H1BadRequestCL",
+		method: "POST",
+		header: []hpack.HeaderField{
+			pair("content-length", "1024"),
+		},
+		body: []byte("foo"),
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+
+	want := http2.ErrCodeProtocol
+	if res.errCode != want {
+		t.Errorf("res.errCode = %v; want %v", res.errCode, want)
+	}
+}
+
+// TestH2H1BadResponseCL tests that server returns error when
+// content-length response header field value does not match its
+// response body size.
+func TestH2H1BadResponseCL(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		// we set content-length: 1024, but only send 3 bytes.
+		w.Header().Add("Content-Length", "1024")
+		w.Write([]byte("foo"))
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1BadResponseCL",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+
+	want := http2.ErrCodeProtocol
+	if res.errCode != want {
+		t.Errorf("res.errCode = %v; want %v", res.errCode, want)
+	}
+}
+
+// TestH2H1LocationRewrite tests location header field rewriting
+// works.
+func TestH2H1LocationRewrite(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		// TODO we cannot get st.ts's port number here.. 8443
+		// is just a place holder.  We ignore it on rewrite.
+		w.Header().Add("Location", "http://127.0.0.1:8443/p/q?a=b#fragment")
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1LocationRewrite",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+
+	want := fmt.Sprintf("http://127.0.0.1:%v/p/q?a=b#fragment", serverPort)
+	if got := res.header.Get("Location"); got != want {
+		t.Errorf("Location: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1ChunkedRequestBody tests that chunked request body works.
+func TestH2H1ChunkedRequestBody(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		want := "[chunked]"
+		if got := fmt.Sprint(r.TransferEncoding); got != want {
+			t.Errorf("Transfer-Encoding: %v; want %v", got, want)
+		}
+		body, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			t.Fatalf("Error reading r.body: %v", err)
+		}
+		want = "foo"
+		if got := string(body); got != want {
+			t.Errorf("body: %v; want %v", got, want)
+		}
+	})
+	defer st.Close()
+
+	_, err := st.http2(requestParam{
+		name:   "TestH2H1ChunkedRequestBody",
+		method: "POST",
+		body:   []byte("foo"),
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+}
+
+// TestH2H1MultipleRequestCL tests that server rejects request with
+// multiple Content-Length request header fields.
+func TestH2H1MultipleRequestCL(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("server should not forward bad request")
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1MultipleRequestCL",
+		header: []hpack.HeaderField{
+			pair("content-length", "1"),
+			pair("content-length", "1"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	want := 400
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1InvalidRequestCL tests that server rejects request with
+// Content-Length which cannot be parsed as a number.
+func TestH2H1InvalidRequestCL(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("server should not forward bad request")
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1InvalidRequestCL",
+		header: []hpack.HeaderField{
+			pair("content-length", ""),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	want := 400
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1ConnectFailure tests that server handles the situation that
+// connection attempt to HTTP/1 backend failed.
+func TestH2H1ConnectFailure(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	// shutdown backend server to simulate backend connect failure
+	st.ts.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1ConnectFailure",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	want := 503
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1AssembleCookies tests that crumbled cookies in HTTP/2
+// request is assembled into 1 when forwarding to HTTP/1 backend link.
+func TestH2H1AssembleCookies(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		if got, want := r.Header.Get("Cookie"), "alpha; bravo; charlie"; got != want {
+			t.Errorf("Cookie: %v; want %v", got, want)
+		}
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1AssembleCookies",
+		header: []hpack.HeaderField{
+			pair("cookie", "alpha"),
+			pair("cookie", "bravo"),
+			pair("cookie", "charlie"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	if got, want := res.status, 200; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1TETrailers tests that server accepts TE request header
+// field if it has trailers only.
+func TestH2H1TETrailers(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1TETrailers",
+		header: []hpack.HeaderField{
+			pair("te", "trailers"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	if got, want := res.status, 200; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1TEGzip tests that server resets stream if TE request header
+// field contains gzip.
+func TestH2H1TEGzip(t *testing.T) {
+	st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Error("server should not forward bad request")
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H1TEGzip",
+		header: []hpack.HeaderField{
+			pair("te", "gzip"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	if got, want := res.errCode, http2.ErrCodeProtocol; got != want {
+		t.Errorf("res.errCode = %v; want %v", res.errCode, want)
+	}
+}
+
+func TestH2H1SNI(t *testing.T) {
+	st := newServerTesterTLSConfig([]string{"--subcert=" + testDir + "/alt-server.key:" + testDir + "/alt-server.crt"}, t, noopHandler, &tls.Config{
+		ServerName: "alt-domain",
+	})
+	defer st.Close()
+
+	tlsConn := st.conn.(*tls.Conn)
+	connState := tlsConn.ConnectionState()
+	cert := connState.PeerCertificates[0]
+
+	if got, want := cert.Subject.CommonName, "alt-domain"; got != want {
+		t.Errorf("CommonName: %v; want %v", got, want)
+	}
+}
+
+// TestH2H1GracefulShutdown tests graceful shutdown.
+func TestH2H1GracefulShutdown(t *testing.T) {
+	st := newServerTester(nil, t, noopHandler)
+	defer st.Close()
+
+	fmt.Fprint(st.conn, "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")
+	if err := st.fr.WriteSettings(); err != nil {
+		t.Fatalf("st.fr.WriteSettings(): %v", err)
+	}
+
+	header := []hpack.HeaderField{
+		pair(":method", "GET"),
+		pair(":scheme", "http"),
+		pair(":authority", st.authority),
+		pair(":path", "/"),
+	}
+
+	for _, h := range header {
+		_ = st.enc.WriteField(h)
+	}
+
+	if err := st.fr.WriteHeaders(http2.HeadersFrameParam{
+		StreamID:      1,
+		EndStream:     false,
+		EndHeaders:    true,
+		BlockFragment: st.headerBlkBuf.Bytes(),
+	}); err != nil {
+		t.Fatalf("st.fr.WriteHeaders(): %v", err)
+	}
+
+	// send SIGQUIT signal to nghttpx to perform graceful shutdown
+	st.cmd.Process.Signal(syscall.SIGQUIT)
+
+	// after signal, finish request body
+	if err := st.fr.WriteData(1, true, nil); err != nil {
+		t.Fatalf("st.fr.WriteData(): %v", err)
+	}
+
+	numGoAway := 0
+
+	for {
+		fr, err := st.readFrame()
+		if err != nil {
+			if err == io.EOF {
+				want := 2
+				if got := numGoAway; got != want {
+					t.Fatalf("numGoAway: %v; want %v", got, want)
+				}
+				return
+			}
+			t.Fatalf("st.readFrame(): %v", err)
+		}
+		switch f := fr.(type) {
+		case *http2.GoAwayFrame:
+			numGoAway += 1
+			want := http2.ErrCodeNo
+			if got := f.ErrCode; got != want {
+				t.Fatalf("f.ErrCode(%v): %v; want %v", numGoAway, got, want)
+			}
+			switch numGoAway {
+			case 1:
+				want := (uint32(1) << 31) - 1
+				if got := f.LastStreamID; got != want {
+					t.Fatalf("f.LastStreamID(%v): %v; want %v", numGoAway, got, want)
+				}
+			case 2:
+				want := uint32(1)
+				if got := f.LastStreamID; got != want {
+					t.Fatalf("f.LastStreamID(%v): %v; want %v", numGoAway, got, want)
+				}
+			case 3:
+				t.Fatalf("too many GOAWAYs received")
+			}
+		}
+	}
+}
+
+// TestH2H2MultipleResponseCL tests that server returns error if
+// multiple Content-Length response header fields are received.
+func TestH2H2MultipleResponseCL(t *testing.T) {
+	st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Add("content-length", "1")
+		w.Header().Add("content-length", "1")
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H2MultipleResponseCL",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	want := 502
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H2InvalidResponseCL tests that server returns error if
+// Content-Length response header field value cannot be parsed as a
+// number.
+func TestH2H2InvalidResponseCL(t *testing.T) {
+	st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Add("content-length", "")
+	})
+	defer st.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H2InvalidResponseCL",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	want := 502
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestH2H2ConnectFailure tests that server handles the situation that
+// connection attempt to HTTP/2 backend failed.
+func TestH2H2ConnectFailure(t *testing.T) {
+	st := newServerTester([]string{"--http2-bridge"}, t, noopHandler)
+	defer st.Close()
+
+	// simulate backend connect attempt failure
+	st.ts.Close()
+
+	res, err := st.http2(requestParam{
+		name: "TestH2H2ConnectFailure",
+	})
+	if err != nil {
+		t.Fatalf("Error st.http2() = %v", err)
+	}
+	want := 503
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}

integration-tests/nghttpx_spdy_test.go

@@ -0,0 +1,121 @@
+package nghttp2
+
+import (
+	"github.com/bradfitz/http2/hpack"
+	"golang.org/x/net/spdy"
+	"net/http"
+	"testing"
+)
+
+// TestS3H1PlainGET tests whether simple SPDY GET request works.
+func TestS3H1PlainGET(t *testing.T) {
+	st := newServerTesterTLS([]string{"--npn-list=spdy/3.1"}, t, noopHandler)
+	defer st.Close()
+
+	res, err := st.spdy(requestParam{
+		name: "TestS3H1PlainGET",
+	})
+	if err != nil {
+		t.Fatalf("Error st.spdy() = %v", err)
+	}
+
+	want := 200
+	if got := res.status; got != want {
+		t.Errorf("status = %v; want %v", got, want)
+	}
+}
+
+// TestS3H1BadRequestCL tests that server rejects request whose
+// content-length header field value does not match its request body
+// size.
+func TestS3H1BadRequestCL(t *testing.T) {
+	st := newServerTesterTLS([]string{"--npn-list=spdy/3.1"}, t, noopHandler)
+	defer st.Close()
+
+	// we set content-length: 1024, but the actual request body is
+	// 3 bytes.
+	res, err := st.spdy(requestParam{
+		name:   "TestS3H1BadRequestCL",
+		method: "POST",
+		header: []hpack.HeaderField{
+			pair("content-length", "1024"),
+		},
+		body: []byte("foo"),
+	})
+	if err != nil {
+		t.Fatalf("Error st.spdy() = %v", err)
+	}
+
+	want := spdy.ProtocolError
+	if got := res.spdyRstErrCode; got != want {
+		t.Errorf("res.spdyRstErrCode = %v; want %v", got, want)
+	}
+}
+
+// TestS3H1MultipleRequestCL tests that server rejects request with
+// multiple Content-Length request header fields.
+func TestS3H1MultipleRequestCL(t *testing.T) {
+	st := newServerTesterTLS([]string{"--npn-list=spdy/3.1"}, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("server should not forward bad request")
+	})
+	defer st.Close()
+
+	res, err := st.spdy(requestParam{
+		name: "TestS3H1MultipleRequestCL",
+		header: []hpack.HeaderField{
+			pair("content-length", "1"),
+			pair("content-length", "1"),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.spdy() = %v", err)
+	}
+	want := 400
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestS3H1InvalidRequestCL tests that server rejects request with
+// Content-Length which cannot be parsed as a number.
+func TestS3H1InvalidRequestCL(t *testing.T) {
+	st := newServerTesterTLS([]string{"--npn-list=spdy/3.1"}, t, func(w http.ResponseWriter, r *http.Request) {
+		t.Errorf("server should not forward bad request")
+	})
+	defer st.Close()
+
+	res, err := st.spdy(requestParam{
+		name: "TestS3H1InvalidRequestCL",
+		header: []hpack.HeaderField{
+			pair("content-length", ""),
+		},
+	})
+	if err != nil {
+		t.Fatalf("Error st.spdy() = %v", err)
+	}
+	want := 400
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}
+
+// TestS3H2ConnectFailure tests that server handles the situation that
+// connection attempt to HTTP/2 backend failed.
+func TestS3H2ConnectFailure(t *testing.T) {
+	st := newServerTesterTLS([]string{"--npn-list=spdy/3.1", "--http2-bridge"}, t, noopHandler)
+	defer st.Close()
+
+	// simulate backend connect attempt failure
+	st.ts.Close()
+
+	res, err := st.spdy(requestParam{
+		name: "TestS3H2ConnectFailure",
+	})
+	if err != nil {
+		t.Fatalf("Error st.spdy() = %v", err)
+	}
+	want := 503
+	if got := res.status; got != want {
+		t.Errorf("status: %v; want %v", got, want)
+	}
+}

integration-tests/server.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

integration-tests/server.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

integration-tests/server_tester.go

@@ -0,0 +1,561 @@
+package nghttp2
+
+import (
+	"bufio"
+	"bytes"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"github.com/bradfitz/http2"
+	"github.com/bradfitz/http2/hpack"
+	"github.com/tatsuhiro-t/go-nghttp2"
+	"golang.org/x/net/spdy"
+	"io"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os/exec"
+	"strconv"
+	"strings"
+	"testing"
+	"time"
+)
+
+const (
+	serverBin  = buildDir + "/src/nghttpx"
+	serverPort = 3009
+	testDir    = buildDir + "/integration-tests"
+)
+
+func pair(name, value string) hpack.HeaderField {
+	return hpack.HeaderField{
+		Name:  name,
+		Value: value,
+	}
+}
+
+type serverTester struct {
+	args          []string  // command-line arguments
+	cmd           *exec.Cmd // test frontend server process, which is test subject
+	url           string    // test frontend server URL
+	t             *testing.T
+	ts            *httptest.Server // backend server
+	conn          net.Conn         // connection to frontend server
+	h2PrefaceSent bool             // HTTP/2 preface was sent in conn
+	nextStreamID  uint32           // next stream ID
+	fr            *http2.Framer    // HTTP/2 framer
+	spdyFr        *spdy.Framer     // SPDY/3.1 framer
+	headerBlkBuf  bytes.Buffer     // buffer to store encoded header block
+	enc           *hpack.Encoder   // HTTP/2 HPACK encoder
+	header        http.Header      // received header fields
+	dec           *hpack.Decoder   // HTTP/2 HPACK decoder
+	authority     string           // server's host:port
+	frCh          chan http2.Frame // used for incoming HTTP/2 frame
+	spdyFrCh      chan spdy.Frame  // used for incoming SPDY frame
+	errCh         chan error
+}
+
+// newServerTester creates test context for plain TCP frontend
+// connection.
+func newServerTester(args []string, t *testing.T, handler http.HandlerFunc) *serverTester {
+	return newServerTesterInternal(args, t, handler, false, nil)
+}
+
+// newServerTester creates test context for TLS frontend connection.
+func newServerTesterTLS(args []string, t *testing.T, handler http.HandlerFunc) *serverTester {
+	return newServerTesterInternal(args, t, handler, true, nil)
+}
+
+// newServerTester creates test context for TLS frontend connection
+// with given clientConfig
+func newServerTesterTLSConfig(args []string, t *testing.T, handler http.HandlerFunc, clientConfig *tls.Config) *serverTester {
+	return newServerTesterInternal(args, t, handler, true, clientConfig)
+}
+
+// newServerTesterInternal creates test context.  If frontendTLS is
+// true, set up TLS frontend connection.
+func newServerTesterInternal(args []string, t *testing.T, handler http.HandlerFunc, frontendTLS bool, clientConfig *tls.Config) *serverTester {
+	ts := httptest.NewUnstartedServer(handler)
+
+	backendTLS := false
+	for _, k := range args {
+		switch k {
+		case "--http2-bridge":
+			backendTLS = true
+		}
+	}
+	if backendTLS {
+		nghttp2.ConfigureServer(ts.Config, &nghttp2.Server{})
+		// According to httptest/server.go, we have to set
+		// NextProtos separately for ts.TLS.  NextProtos set
+		// in nghttp2.ConfigureServer is effectively ignored.
+		ts.TLS = new(tls.Config)
+		ts.TLS.NextProtos = append(ts.TLS.NextProtos, "h2-14")
+		ts.StartTLS()
+		args = append(args, "-k")
+	} else {
+		ts.Start()
+	}
+	scheme := "http"
+	if frontendTLS {
+		scheme = "https"
+		args = append(args, testDir+"/server.key", testDir+"/server.crt")
+	} else {
+		args = append(args, "--frontend-no-tls")
+	}
+
+	backendURL, err := url.Parse(ts.URL)
+	if err != nil {
+		t.Fatalf("Error parsing URL from httptest.Server: %v", err)
+	}
+
+	// URL.Host looks like "127.0.0.1:8080", but we want
+	// "127.0.0.1,8080"
+	b := "-b" + strings.Replace(backendURL.Host, ":", ",", -1)
+	args = append(args, fmt.Sprintf("-f127.0.0.1,%v", serverPort), b,
+		"--errorlog-file="+testDir+"/log.txt", "-LINFO")
+
+	authority := fmt.Sprintf("127.0.0.1:%v", serverPort)
+
+	st := &serverTester{
+		cmd:          exec.Command(serverBin, args...),
+		t:            t,
+		ts:           ts,
+		url:          fmt.Sprintf("%v://%v", scheme, authority),
+		nextStreamID: 1,
+		authority:    authority,
+		frCh:         make(chan http2.Frame),
+		spdyFrCh:     make(chan spdy.Frame),
+		errCh:        make(chan error),
+	}
+
+	if err := st.cmd.Start(); err != nil {
+		st.t.Fatalf("Error starting %v: %v", serverBin, err)
+	}
+
+	retry := 0
+	for {
+		var conn net.Conn
+		var err error
+		if frontendTLS {
+			var tlsConfig *tls.Config
+			if clientConfig == nil {
+				tlsConfig = new(tls.Config)
+			} else {
+				tlsConfig = clientConfig
+			}
+			tlsConfig.InsecureSkipVerify = true
+			tlsConfig.NextProtos = []string{"h2-14", "spdy/3.1"}
+			conn, err = tls.Dial("tcp", authority, tlsConfig)
+		} else {
+			conn, err = net.Dial("tcp", authority)
+		}
+		if err != nil {
+			retry += 1
+			if retry >= 100 {
+				st.Close()
+				st.t.Fatalf("Error server is not responding too long; server command-line arguments may be invalid")
+			}
+			time.Sleep(150 * time.Millisecond)
+			continue
+		}
+		if frontendTLS {
+			tlsConn := conn.(*tls.Conn)
+			cs := tlsConn.ConnectionState()
+			if !cs.NegotiatedProtocolIsMutual {
+				st.Close()
+				st.t.Fatalf("Error negotiated next protocol is not mutual")
+			}
+		}
+		st.conn = conn
+		break
+	}
+
+	st.fr = http2.NewFramer(st.conn, st.conn)
+	spdyFr, err := spdy.NewFramer(st.conn, st.conn)
+	if err != nil {
+		st.Close()
+		st.t.Fatalf("Error spdy.NewFramer: %v", err)
+	}
+	st.spdyFr = spdyFr
+	st.enc = hpack.NewEncoder(&st.headerBlkBuf)
+	st.dec = hpack.NewDecoder(4096, func(f hpack.HeaderField) {
+		st.header.Add(f.Name, f.Value)
+	})
+
+	return st
+}
+
+func (st *serverTester) Close() {
+	if st.conn != nil {
+		st.conn.Close()
+	}
+	if st.cmd != nil {
+		st.cmd.Process.Kill()
+		st.cmd.Wait()
+	}
+	if st.ts != nil {
+		st.ts.Close()
+	}
+}
+
+func (st *serverTester) readFrame() (http2.Frame, error) {
+	go func() {
+		f, err := st.fr.ReadFrame()
+		if err != nil {
+			st.errCh <- err
+			return
+		}
+		st.frCh <- f
+	}()
+
+	select {
+	case f := <-st.frCh:
+		return f, nil
+	case err := <-st.errCh:
+		return nil, err
+	case <-time.After(5 * time.Second):
+		return nil, errors.New("timeout waiting for frame")
+	}
+}
+
+func (st *serverTester) readSpdyFrame() (spdy.Frame, error) {
+	go func() {
+		f, err := st.spdyFr.ReadFrame()
+		if err != nil {
+			st.errCh <- err
+			return
+		}
+		st.spdyFrCh <- f
+	}()
+
+	select {
+	case f := <-st.spdyFrCh:
+		return f, nil
+	case err := <-st.errCh:
+		return nil, err
+	case <-time.After(2 * time.Second):
+		return nil, errors.New("timeout waiting for frame")
+	}
+}
+
+type requestParam struct {
+	name      string              // name for this request to identify the request in log easily
+	streamID  uint32              // stream ID, automatically assigned if 0
+	method    string              // method, defaults to GET
+	scheme    string              // scheme, defaults to http
+	authority string              // authority, defaults to backend server address
+	path      string              // path, defaults to /
+	header    []hpack.HeaderField // additional request header fields
+	body      []byte              // request body
+}
+
+func (st *serverTester) http1(rp requestParam) (*serverResponse, error) {
+	method := "GET"
+	if rp.method != "" {
+		method = rp.method
+	}
+
+	var body io.Reader
+	if rp.body != nil {
+		body = bytes.NewBuffer(rp.body)
+	}
+	req, err := http.NewRequest(method, st.url, body)
+	if err != nil {
+		return nil, err
+	}
+	for _, h := range rp.header {
+		req.Header.Add(h.Name, h.Value)
+	}
+	req.Header.Add("Test-Case", rp.name)
+
+	if err := req.Write(st.conn); err != nil {
+		return nil, err
+	}
+	resp, err := http.ReadResponse(bufio.NewReader(st.conn), req)
+	if err != nil {
+		return nil, err
+	}
+	respBody, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+	resp.Body.Close()
+
+	res := &serverResponse{
+		status:    resp.StatusCode,
+		header:    resp.Header,
+		body:      respBody,
+		connClose: resp.Close,
+	}
+
+	return res, nil
+}
+
+func (st *serverTester) spdy(rp requestParam) (*serverResponse, error) {
+	res := &serverResponse{}
+
+	var id spdy.StreamId
+	if rp.streamID != 0 {
+		id = spdy.StreamId(rp.streamID)
+		if id >= spdy.StreamId(st.nextStreamID) && id%2 == 1 {
+			st.nextStreamID = uint32(id) + 2
+		}
+	} else {
+		id = spdy.StreamId(st.nextStreamID)
+		st.nextStreamID += 2
+	}
+
+	method := "GET"
+	if rp.method != "" {
+		method = rp.method
+	}
+
+	scheme := "http"
+	if rp.scheme != "" {
+		scheme = rp.scheme
+	}
+
+	host := st.authority
+	if rp.authority != "" {
+		host = rp.authority
+	}
+
+	path := "/"
+	if rp.path != "" {
+		path = rp.path
+	}
+
+	header := make(http.Header)
+	header.Add(":method", method)
+	header.Add(":scheme", scheme)
+	header.Add(":host", host)
+	header.Add(":path", path)
+	header.Add(":version", "HTTP/1.1")
+	header.Add("test-case", rp.name)
+	for _, h := range rp.header {
+		header.Add(h.Name, h.Value)
+	}
+
+	var synStreamFlags spdy.ControlFlags
+	if len(rp.body) == 0 {
+		synStreamFlags = spdy.ControlFlagFin
+	}
+	if err := st.spdyFr.WriteFrame(&spdy.SynStreamFrame{
+		CFHeader: spdy.ControlFrameHeader{
+			Flags: synStreamFlags,
+		},
+		StreamId: id,
+		Headers:  header,
+	}); err != nil {
+		return nil, err
+	}
+
+	if len(rp.body) != 0 {
+		if err := st.spdyFr.WriteFrame(&spdy.DataFrame{
+			StreamId: id,
+			Flags:    spdy.DataFlagFin,
+			Data:     rp.body,
+		}); err != nil {
+			return nil, err
+		}
+	}
+
+loop:
+	for {
+		fr, err := st.readSpdyFrame()
+		if err != nil {
+			return res, err
+		}
+		switch f := fr.(type) {
+		case *spdy.SynReplyFrame:
+			if f.StreamId != id {
+				break
+			}
+			res.header = cloneHeader(f.Headers)
+			if _, err := fmt.Sscan(res.header.Get(":status"), &res.status); err != nil {
+				return res, fmt.Errorf("Error parsing status code: %v", err)
+			}
+			if f.CFHeader.Flags&spdy.ControlFlagFin != 0 {
+				break loop
+			}
+		case *spdy.DataFrame:
+			if f.StreamId != id {
+				break
+			}
+			res.body = append(res.body, f.Data...)
+			if f.Flags&spdy.DataFlagFin != 0 {
+				break loop
+			}
+		case *spdy.RstStreamFrame:
+			if f.StreamId != id {
+				break
+			}
+			res.spdyRstErrCode = f.Status
+			break loop
+		case *spdy.GoAwayFrame:
+			if f.Status == spdy.GoAwayOK {
+				break
+			}
+			res.spdyGoAwayErrCode = f.Status
+			break loop
+		}
+	}
+	return res, nil
+}
+
+func (st *serverTester) http2(rp requestParam) (*serverResponse, error) {
+	res := &serverResponse{}
+	st.headerBlkBuf.Reset()
+	st.header = make(http.Header)
+
+	var id uint32
+	if rp.streamID != 0 {
+		id = rp.streamID
+		if id >= st.nextStreamID && id%2 == 1 {
+			st.nextStreamID = id + 2
+		}
+	} else {
+		id = st.nextStreamID
+		st.nextStreamID += 2
+	}
+
+	if !st.h2PrefaceSent {
+		st.h2PrefaceSent = true
+		fmt.Fprint(st.conn, "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")
+		if err := st.fr.WriteSettings(); err != nil {
+			return nil, err
+		}
+	}
+
+	method := "GET"
+	if rp.method != "" {
+		method = rp.method
+	}
+	_ = st.enc.WriteField(pair(":method", method))
+
+	scheme := "http"
+	if rp.scheme != "" {
+		scheme = rp.scheme
+	}
+	_ = st.enc.WriteField(pair(":scheme", scheme))
+
+	authority := st.authority
+	if rp.authority != "" {
+		authority = rp.authority
+	}
+	_ = st.enc.WriteField(pair(":authority", authority))
+
+	path := "/"
+	if rp.path != "" {
+		path = rp.path
+	}
+	_ = st.enc.WriteField(pair(":path", path))
+
+	_ = st.enc.WriteField(pair("test-case", rp.name))
+
+	for _, h := range rp.header {
+		_ = st.enc.WriteField(h)
+	}
+
+	err := st.fr.WriteHeaders(http2.HeadersFrameParam{
+		StreamID:      id,
+		EndStream:     len(rp.body) == 0,
+		EndHeaders:    true,
+		BlockFragment: st.headerBlkBuf.Bytes(),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if len(rp.body) != 0 {
+		// TODO we assume rp.body fits in 1 frame
+		if err := st.fr.WriteData(id, true, rp.body); err != nil {
+			return nil, err
+		}
+	}
+
+loop:
+	for {
+		fr, err := st.readFrame()
+		if err != nil {
+			return res, err
+		}
+		switch f := fr.(type) {
+		case *http2.HeadersFrame:
+			_, err := st.dec.Write(f.HeaderBlockFragment())
+			if err != nil {
+				return res, err
+			}
+			if f.FrameHeader.StreamID != id {
+				st.header = make(http.Header)
+				break
+			}
+			res.header = cloneHeader(st.header)
+			var status int
+			status, err = strconv.Atoi(res.header.Get(":status"))
+			if err != nil {
+				return res, fmt.Errorf("Error parsing status code: %v", err)
+			}
+			res.status = status
+			if f.StreamEnded() {
+				break loop
+			}
+		case *http2.DataFrame:
+			if f.FrameHeader.StreamID != id {
+				break
+			}
+			res.body = append(res.body, f.Data()...)
+			if f.StreamEnded() {
+				break loop
+			}
+		case *http2.RSTStreamFrame:
+			if f.FrameHeader.StreamID != id {
+				break
+			}
+			res.errCode = f.ErrCode
+			break loop
+		case *http2.GoAwayFrame:
+			if f.ErrCode == http2.ErrCodeNo {
+				break
+			}
+			res.errCode = f.ErrCode
+			res.connErr = true
+			break loop
+		case *http2.SettingsFrame:
+			if f.IsAck() {
+				break
+			}
+			if err := st.fr.WriteSettingsAck(); err != nil {
+				return res, err
+			}
+			// TODO handle PUSH_PROMISE as well, since it alters HPACK context
+		}
+	}
+	return res, nil
+}
+
+type serverResponse struct {
+	status            int                  // HTTP status code
+	header            http.Header          // response header fields
+	body              []byte               // response body
+	errCode           http2.ErrCode        // error code received in HTTP/2 RST_STREAM or GOAWAY
+	connErr           bool                 // true if HTTP/2 connection error
+	spdyGoAwayErrCode spdy.GoAwayStatus    // status code received in SPDY RST_STREAM
+	spdyRstErrCode    spdy.RstStreamStatus // status code received in SPDY GOAWAY
+	connClose         bool                 // Conection: close is included in response header in HTTP/1 test
+}
+
+func cloneHeader(h http.Header) http.Header {
+	h2 := make(http.Header, len(h))
+	for k, vv := range h {
+		vv2 := make([]string, len(vv))
+		copy(vv2, vv)
+		h2[k] = vv2
+	}
+	return h2
+}
+
+func noopHandler(w http.ResponseWriter, r *http.Request) {}

integration-tests/setenv.in

@@ -0,0 +1,6 @@
+#!/bin/sh -e
+
+export CGO_CFLAGS="-I@abs_top_srcdir@/lib/includes -I@abs_top_builddir@/lib/includes"
+export CGO_LDFLAGS="-L@abs_top_builddir@/lib/.libs"
+export LD_LIBRARY_PATH="@abs_top_builddir@/lib/.libs"
+"$@"

lib/Makefile.am

@@ -22,7 +22,9 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 SUBDIRS = includes
 
-AM_CFLAGS = -Wall
+EXTRA_DIST = Makefile.msvc
+
+AM_CFLAGS = $(WARNCFLAGS)
 AM_CPPFLAGS = -I$(srcdir)/includes -I$(builddir)/includes @DEFS@
 
 pkgconfigdir = $(libdir)/pkgconfig
@@ -42,7 +44,8 @@ OBJECTS = nghttp2_pq.c nghttp2_map.c nghttp2_queue.c \
 	nghttp2_version.c \
 	nghttp2_priority_spec.c \
 	nghttp2_option.c \
-	nghttp2_callbacks.c
+	nghttp2_callbacks.c \
+	nghttp2_mem.c
 
 HFILES = nghttp2_pq.h nghttp2_int.h nghttp2_map.h nghttp2_queue.h \
 	nghttp2_frame.h \
@@ -54,7 +57,8 @@ HFILES = nghttp2_pq.h nghttp2_int.h nghttp2_map.h nghttp2_queue.h \
 	nghttp2_hd.h nghttp2_hd_huffman.h \
 	nghttp2_priority_spec.h \
 	nghttp2_option.h \
-	nghttp2_callbacks.h
+	nghttp2_callbacks.h \
+	nghttp2_mem.h
 
 libnghttp2_la_SOURCES = $(HFILES) $(OBJECTS)
 libnghttp2_la_LDFLAGS = -no-undefined \

lib/nghttp2_buf.c

@@ -28,8 +28,7 @@
 
 #include "nghttp2_helper.h"
 
-void nghttp2_buf_init(nghttp2_buf *buf)
-{
+void nghttp2_buf_init(nghttp2_buf *buf) {
   buf->begin = NULL;
   buf->end = NULL;
   buf->pos = NULL;
@@ -37,37 +36,34 @@ void nghttp2_buf_init(nghttp2_buf *buf)
   buf->mark = NULL;
 }
 
-int nghttp2_buf_init2(nghttp2_buf *buf, size_t initial)
-{
+int nghttp2_buf_init2(nghttp2_buf *buf, size_t initial, nghttp2_mem *mem) {
   nghttp2_buf_init(buf);
-  return nghttp2_buf_reserve(buf, initial);
+  return nghttp2_buf_reserve(buf, initial, mem);
 }
 
-void nghttp2_buf_free(nghttp2_buf *buf)
-{
-  if(buf == NULL) {
+void nghttp2_buf_free(nghttp2_buf *buf, nghttp2_mem *mem) {
+  if (buf == NULL) {
     return;
   }
 
-  free(buf->begin);
+  nghttp2_mem_free(mem, buf->begin);
   buf->begin = NULL;
 }
 
-int nghttp2_buf_reserve(nghttp2_buf *buf, size_t new_cap)
-{
+int nghttp2_buf_reserve(nghttp2_buf *buf, size_t new_cap, nghttp2_mem *mem) {
   uint8_t *ptr;
   size_t cap;
 
   cap = nghttp2_buf_cap(buf);
 
-  if(cap >= new_cap) {
+  if (cap >= new_cap) {
     return 0;
   }
 
   new_cap = nghttp2_max(new_cap, cap * 2);
 
-  ptr = realloc(buf->begin, new_cap);
-  if(ptr == NULL) {
+  ptr = nghttp2_mem_realloc(mem, buf->begin, new_cap);
+  if (ptr == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
@@ -80,80 +76,67 @@ int nghttp2_buf_reserve(nghttp2_buf *buf, size_t new_cap)
   return 0;
 }
 
-int nghttp2_buf_pos_reserve(nghttp2_buf *buf, size_t new_rel_cap)
-{
-  return nghttp2_buf_reserve(buf, nghttp2_buf_pos_offset(buf) + new_rel_cap);
-}
-
-int nghttp2_buf_last_reserve(nghttp2_buf *buf, size_t new_rel_cap)
-{
-  return nghttp2_buf_reserve(buf, nghttp2_buf_last_offset(buf) + new_rel_cap);
-}
-
-void nghttp2_buf_reset(nghttp2_buf *buf)
-{
+void nghttp2_buf_reset(nghttp2_buf *buf) {
   buf->pos = buf->last = buf->mark = buf->begin;
 }
 
-void nghttp2_buf_wrap_init(nghttp2_buf *buf, uint8_t *begin, size_t len)
-{
+void nghttp2_buf_wrap_init(nghttp2_buf *buf, uint8_t *begin, size_t len) {
   buf->begin = buf->pos = buf->last = buf->mark = begin;
   buf->end = begin + len;
 }
 
-static int buf_chain_new(nghttp2_buf_chain **chain, size_t chunk_length)
-{
+static int buf_chain_new(nghttp2_buf_chain **chain, size_t chunk_length,
+                         nghttp2_mem *mem) {
   int rv;
 
-  *chain = malloc(sizeof(nghttp2_buf_chain));
-  if(*chain == NULL) {
+  *chain = nghttp2_mem_malloc(mem, sizeof(nghttp2_buf_chain));
+  if (*chain == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
   (*chain)->next = NULL;
 
-  rv = nghttp2_buf_init2(&(*chain)->buf, chunk_length);
-  if(rv != 0) {
-    free(*chain);
+  rv = nghttp2_buf_init2(&(*chain)->buf, chunk_length, mem);
+  if (rv != 0) {
+    nghttp2_mem_free(mem, *chain);
     return NGHTTP2_ERR_NOMEM;
   }
 
   return 0;
 }
 
-static void buf_chain_del(nghttp2_buf_chain *chain)
-{
-  nghttp2_buf_free(&chain->buf);
-  free(chain);
+static void buf_chain_del(nghttp2_buf_chain *chain, nghttp2_mem *mem) {
+  nghttp2_buf_free(&chain->buf, mem);
+  nghttp2_mem_free(mem, chain);
 }
 
-int nghttp2_bufs_init(nghttp2_bufs *bufs, size_t chunk_length,
-                      size_t max_chunk)
-{
-  return nghttp2_bufs_init2(bufs, chunk_length, max_chunk, 0);
+int nghttp2_bufs_init(nghttp2_bufs *bufs, size_t chunk_length, size_t max_chunk,
+                      nghttp2_mem *mem) {
+  return nghttp2_bufs_init2(bufs, chunk_length, max_chunk, 0, mem);
 }
 
 int nghttp2_bufs_init2(nghttp2_bufs *bufs, size_t chunk_length,
-                       size_t max_chunk, size_t offset)
-{
-  return nghttp2_bufs_init3(bufs, chunk_length, max_chunk, max_chunk, offset);
+                       size_t max_chunk, size_t offset, nghttp2_mem *mem) {
+  return nghttp2_bufs_init3(bufs, chunk_length, max_chunk, max_chunk, offset,
+                            mem);
 }
 
 int nghttp2_bufs_init3(nghttp2_bufs *bufs, size_t chunk_length,
-                       size_t max_chunk, size_t chunk_keep, size_t offset)
-{
+                       size_t max_chunk, size_t chunk_keep, size_t offset,
+                       nghttp2_mem *mem) {
   int rv;
   nghttp2_buf_chain *chain;
 
-  if(chunk_keep == 0 || max_chunk < chunk_keep || chunk_length < offset) {
+  if (chunk_keep == 0 || max_chunk < chunk_keep || chunk_length < offset) {
     return NGHTTP2_ERR_INVALID_ARGUMENT;
   }
 
-  rv = buf_chain_new(&chain, chunk_length);
-  if(rv != 0) {
+  rv = buf_chain_new(&chain, chunk_length, mem);
+  if (rv != 0) {
     return rv;
   }
 
+  bufs->mem = mem;
   bufs->offset = offset;
 
   bufs->head = chain;
@@ -169,17 +152,16 @@ int nghttp2_bufs_init3(nghttp2_bufs *bufs, size_t chunk_length,
   return 0;
 }
 
-int nghttp2_bufs_realloc(nghttp2_bufs *bufs, size_t chunk_length)
-{
+int nghttp2_bufs_realloc(nghttp2_bufs *bufs, size_t chunk_length) {
   int rv;
   nghttp2_buf_chain *chain;
 
-  if(chunk_length < bufs->offset) {
+  if (chunk_length < bufs->offset) {
     return NGHTTP2_ERR_INVALID_ARGUMENT;
   }
 
-  rv = buf_chain_new(&chain, chunk_length);
-  if(rv != 0) {
+  rv = buf_chain_new(&chain, chunk_length, bufs->mem);
+  if (rv != 0) {
     return rv;
   }
 
@@ -196,18 +178,17 @@ int nghttp2_bufs_realloc(nghttp2_bufs *bufs, size_t chunk_length)
   return 0;
 }
 
-void nghttp2_bufs_free(nghttp2_bufs *bufs)
-{
+void nghttp2_bufs_free(nghttp2_bufs *bufs) {
   nghttp2_buf_chain *chain, *next_chain;
 
-  if(bufs == NULL) {
+  if (bufs == NULL) {
     return;
   }
 
-  for(chain = bufs->head; chain;) {
+  for (chain = bufs->head; chain;) {
     next_chain = chain->next;
 
-    buf_chain_del(chain);
+    buf_chain_del(chain, bufs->mem);
 
     chain = next_chain;
   }
@@ -215,12 +196,12 @@ void nghttp2_bufs_free(nghttp2_bufs *bufs)
   bufs->head = NULL;
 }
 
-int nghttp2_bufs_wrap_init(nghttp2_bufs *bufs, uint8_t *begin, size_t len)
-{
+int nghttp2_bufs_wrap_init(nghttp2_bufs *bufs, uint8_t *begin, size_t len,
+                           nghttp2_mem *mem) {
   nghttp2_buf_chain *chain;
 
-  chain = malloc(sizeof(nghttp2_buf_chain));
-  if(chain == NULL) {
+  chain = nghttp2_mem_malloc(mem, sizeof(nghttp2_buf_chain));
+  if (chain == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
@@ -228,6 +209,7 @@ int nghttp2_bufs_wrap_init(nghttp2_bufs *bufs, uint8_t *begin, size_t len)
 
   nghttp2_buf_wrap_init(&chain->buf, begin, len);
 
+  bufs->mem = mem;
   bufs->offset = 0;
 
   bufs->head = chain;
@@ -241,22 +223,20 @@ int nghttp2_bufs_wrap_init(nghttp2_bufs *bufs, uint8_t *begin, size_t len)
   return 0;
 }
 
-void nghttp2_bufs_wrap_free(nghttp2_bufs *bufs)
-{
-  if(bufs == NULL) {
+void nghttp2_bufs_wrap_free(nghttp2_bufs *bufs) {
+  if (bufs == NULL) {
     return;
   }
 
-  free(bufs->head);
+  nghttp2_mem_free(bufs->mem, bufs->head);
   bufs->head = NULL;
 }
 
-void nghttp2_bufs_seek_last_present(nghttp2_bufs *bufs)
-{
+void nghttp2_bufs_seek_last_present(nghttp2_bufs *bufs) {
   nghttp2_buf_chain *ci;
 
-  for(ci = bufs->cur; ci; ci = ci->next) {
-    if(nghttp2_buf_len(&ci->buf) == 0) {
+  for (ci = bufs->cur; ci; ci = ci->next) {
+    if (nghttp2_buf_len(&ci->buf) == 0) {
       return;
     } else {
       bufs->cur = ci;
@@ -264,42 +244,40 @@ void nghttp2_bufs_seek_last_present(nghttp2_bufs *bufs)
   }
 }
 
-ssize_t nghttp2_bufs_len(nghttp2_bufs *bufs)
-{
+ssize_t nghttp2_bufs_len(nghttp2_bufs *bufs) {
   nghttp2_buf_chain *ci;
   ssize_t len;
 
   len = 0;
-  for(ci = bufs->head; ci; ci = ci->next) {
+  for (ci = bufs->head; ci; ci = ci->next) {
     len += nghttp2_buf_len(&ci->buf);
   }
 
   return len;
 }
 
-static ssize_t bufs_avail(nghttp2_bufs *bufs)
-{
+static ssize_t bufs_avail(nghttp2_bufs *bufs) {
   return (ssize_t)(nghttp2_buf_avail(&bufs->cur->buf) +
-    (bufs->chunk_length - bufs->offset) * (bufs->max_chunk - bufs->chunk_used));
+                   (bufs->chunk_length - bufs->offset) *
+                       (bufs->max_chunk - bufs->chunk_used));
 }
 
-static int bufs_alloc_chain(nghttp2_bufs *bufs)
-{
+static int bufs_alloc_chain(nghttp2_bufs *bufs) {
   int rv;
   nghttp2_buf_chain *chain;
 
-  if(bufs->cur->next) {
+  if (bufs->cur->next) {
     bufs->cur = bufs->cur->next;
 
     return 0;
   }
 
-  if(bufs->max_chunk == bufs->chunk_used) {
+  if (bufs->max_chunk == bufs->chunk_used) {
     return NGHTTP2_ERR_BUFFER_ERROR;
   }
 
-  rv = buf_chain_new(&chain, bufs->chunk_length);
-  if(rv != 0) {
+  rv = buf_chain_new(&chain, bufs->chunk_length, bufs->mem);
+  if (rv != 0) {
     return rv;
   }
 
@@ -317,26 +295,25 @@ static int bufs_alloc_chain(nghttp2_bufs *bufs)
   return 0;
 }
 
-int nghttp2_bufs_add(nghttp2_bufs *bufs, const void *data, size_t len)
-{
+int nghttp2_bufs_add(nghttp2_bufs *bufs, const void *data, size_t len) {
   int rv;
   size_t nwrite;
   nghttp2_buf *buf;
   const uint8_t *p;
 
-  if(bufs_avail(bufs) < (ssize_t)len) {
+  if (bufs_avail(bufs) < (ssize_t)len) {
     return NGHTTP2_ERR_BUFFER_ERROR;
   }
 
   p = data;
 
-  while(len) {
+  while (len) {
     buf = &bufs->cur->buf;
 
     nwrite = nghttp2_min((size_t)nghttp2_buf_avail(buf), len);
-    if(nwrite == 0) {
+    if (nwrite == 0) {
       rv = bufs_alloc_chain(bufs);
-      if(rv != 0) {
+      if (rv != 0) {
         return rv;
       }
       continue;
@@ -350,31 +327,29 @@ int nghttp2_bufs_add(nghttp2_bufs *bufs, const void *data, size_t len)
   return 0;
 }
 
-static int bufs_ensure_addb(nghttp2_bufs *bufs)
-{
+static int bufs_ensure_addb(nghttp2_bufs *bufs) {
   int rv;
   nghttp2_buf *buf;
 
   buf = &bufs->cur->buf;
 
-  if(nghttp2_buf_avail(buf) > 0) {
+  if (nghttp2_buf_avail(buf) > 0) {
     return 0;
   }
 
   rv = bufs_alloc_chain(bufs);
-  if(rv != 0) {
+  if (rv != 0) {
     return rv;
   }
 
   return 0;
 }
 
-int nghttp2_bufs_addb(nghttp2_bufs *bufs, uint8_t b)
-{
+int nghttp2_bufs_addb(nghttp2_bufs *bufs, uint8_t b) {
   int rv;
 
   rv = bufs_ensure_addb(bufs);
-  if(rv != 0) {
+  if (rv != 0) {
     return rv;
   }
 
@@ -383,12 +358,11 @@ int nghttp2_bufs_addb(nghttp2_bufs *bufs, uint8_t b)
   return 0;
 }
 
-int nghttp2_bufs_addb_hold(nghttp2_bufs *bufs, uint8_t b)
-{
+int nghttp2_bufs_addb_hold(nghttp2_bufs *bufs, uint8_t b) {
   int rv;
 
   rv = bufs_ensure_addb(bufs);
-  if(rv != 0) {
+  if (rv != 0) {
     return rv;
   }
 
@@ -397,12 +371,11 @@ int nghttp2_bufs_addb_hold(nghttp2_bufs *bufs, uint8_t b)
   return 0;
 }
 
-int nghttp2_bufs_orb(nghttp2_bufs *bufs, uint8_t b)
-{
+int nghttp2_bufs_orb(nghttp2_bufs *bufs, uint8_t b) {
   int rv;
 
   rv = bufs_ensure_addb(bufs);
-  if(rv != 0) {
+  if (rv != 0) {
     return rv;
   }
 
@@ -411,12 +384,11 @@ int nghttp2_bufs_orb(nghttp2_bufs *bufs, uint8_t b)
   return 0;
 }
 
-int nghttp2_bufs_orb_hold(nghttp2_bufs *bufs, uint8_t b)
-{
+int nghttp2_bufs_orb_hold(nghttp2_bufs *bufs, uint8_t b) {
   int rv;
 
   rv = bufs_ensure_addb(bufs);
-  if(rv != 0) {
+  if (rv != 0) {
     return rv;
   }
 
@@ -425,8 +397,7 @@ int nghttp2_bufs_orb_hold(nghttp2_bufs *bufs, uint8_t b)
   return 0;
 }
 
-ssize_t nghttp2_bufs_remove(nghttp2_bufs *bufs, uint8_t **out)
-{
+ssize_t nghttp2_bufs_remove(nghttp2_bufs *bufs, uint8_t **out) {
   size_t len;
   nghttp2_buf_chain *chain;
   nghttp2_buf *buf;
@@ -435,28 +406,27 @@ ssize_t nghttp2_bufs_remove(nghttp2_bufs *bufs, uint8_t **out)
 
   len = 0;
 
-  for(chain = bufs->head; chain; chain = chain->next) {
+  for (chain = bufs->head; chain; chain = chain->next) {
     len += nghttp2_buf_len(&chain->buf);
   }
 
-  if(!len) {
+  if (!len) {
     res = NULL;
   } else {
-    res = malloc(len);
+    res = nghttp2_mem_malloc(bufs->mem, len);
 
-    if(res == NULL) {
+    if (res == NULL) {
       return NGHTTP2_ERR_NOMEM;
     }
   }
 
   nghttp2_buf_wrap_init(&resbuf, res, len);
 
-  for(chain = bufs->head; chain; chain = chain->next) {
+  for (chain = bufs->head; chain; chain = chain->next) {
     buf = &chain->buf;
 
-    if(resbuf.last) {
-      resbuf.last = nghttp2_cpymem(resbuf.last,
-                                   buf->pos, nghttp2_buf_len(buf));
+    if (resbuf.last) {
+      resbuf.last = nghttp2_cpymem(resbuf.last, buf->pos, nghttp2_buf_len(buf));
     }
 
     nghttp2_buf_reset(buf);
@@ -470,30 +440,29 @@ ssize_t nghttp2_bufs_remove(nghttp2_bufs *bufs, uint8_t **out)
   return (ssize_t)len;
 }
 
-void nghttp2_bufs_reset(nghttp2_bufs *bufs)
-{
+void nghttp2_bufs_reset(nghttp2_bufs *bufs) {
   nghttp2_buf_chain *chain, *ci;
   size_t k;
 
   k = bufs->chunk_keep;
 
-  for(ci = bufs->head; ci; ci = ci->next) {
+  for (ci = bufs->head; ci; ci = ci->next) {
     nghttp2_buf_reset(&ci->buf);
     nghttp2_buf_shift_right(&ci->buf, bufs->offset);
 
-    if(--k == 0) {
+    if (--k == 0) {
       break;
     }
   }
 
-  if(ci) {
+  if (ci) {
     chain = ci->next;
     ci->next = NULL;
 
-    for(ci = chain; ci;) {
+    for (ci = chain; ci;) {
       chain = ci->next;
 
-      buf_chain_del(ci);
+      buf_chain_del(ci, bufs->mem);
 
       ci = chain;
     }
@@ -504,17 +473,12 @@ void nghttp2_bufs_reset(nghttp2_bufs *bufs)
   bufs->cur = bufs->head;
 }
 
-int nghttp2_bufs_advance(nghttp2_bufs *bufs)
-{
-  return bufs_alloc_chain(bufs);
-}
+int nghttp2_bufs_advance(nghttp2_bufs *bufs) { return bufs_alloc_chain(bufs); }
 
-int nghttp2_bufs_next_present(nghttp2_bufs *bufs)
-{
+int nghttp2_bufs_next_present(nghttp2_bufs *bufs) {
   nghttp2_buf_chain *chain;
 
   chain = bufs->cur->next;
 
   return chain && nghttp2_buf_len(&chain->buf);
 }
-

lib/nghttp2_buf.h

@@ -26,12 +26,13 @@
 #define NGHTTP2_BUF_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>
 
 #include "nghttp2_int.h"
+#include "nghttp2_mem.h"
 
 typedef struct {
   /* This points to the beginning of the buffer. The effective range
@@ -62,13 +63,13 @@ typedef struct {
   do {                                                                         \
     (BUF)->pos += AMT;                                                         \
     (BUF)->last += AMT;                                                        \
-  } while(0)
+  } while (0)
 
 #define nghttp2_buf_shift_left(BUF, AMT)                                       \
   do {                                                                         \
     (BUF)->pos -= AMT;                                                         \
     (BUF)->last -= AMT;                                                        \
-  } while(0)
+  } while (0)
 
 /*
  * Initializes the |buf|. No memory is allocated in this function. Use
@@ -76,7 +77,6 @@ typedef struct {
  */
 void nghttp2_buf_init(nghttp2_buf *buf);
 
-
 /*
  * Initializes the |buf| and allocates at least |initial| bytes of
  * memory.
@@ -87,12 +87,12 @@ void nghttp2_buf_init(nghttp2_buf *buf);
  * NGHTTP2_ERR_NOMEM
  *     Out of memory
  */
-int nghttp2_buf_init2(nghttp2_buf *buf, size_t initial);
+int nghttp2_buf_init2(nghttp2_buf *buf, size_t initial, nghttp2_mem *mem);
 
 /*
  * Frees buffer in |buf|.
  */
-void nghttp2_buf_free(nghttp2_buf *buf);
+void nghttp2_buf_free(nghttp2_buf *buf, nghttp2_mem *mem);
 
 /*
  * Extends buffer so that nghttp2_buf_cap() returns at least
@@ -105,23 +105,7 @@ void nghttp2_buf_free(nghttp2_buf *buf);
  * NGHTTP2_ERR_NOMEM
  *     Out of memory
  */
-int nghttp2_buf_reserve(nghttp2_buf *buf, size_t new_cap);
-
-/*
- * This function behaves like nghttp2_buf_reserve(), but new capacity
- * is calculated as nghttp2_buf_pos_offset(buf) + new_rel_cap. In
- * other words, this function reserves memory at least |new_rel_cap|
- * bytes from buf->pos.
- */
-int nghttp2_buf_pos_reserve(nghttp2_buf *buf, size_t new_rel_cap);
-
-/*
- * This function behaves like nghttp2_buf_reserve(), but new capacity
- * is calculated as nghttp2_buf_last_offset(buf) + new_rel_cap. In
- * other words, this function reserves memory at least |new_rel_cap|
- * bytes from buf->last.
- */
-int nghttp2_buf_last_reserve(nghttp2_buf *buf, size_t new_rel_cap);
+int nghttp2_buf_reserve(nghttp2_buf *buf, size_t new_cap, nghttp2_mem *mem);
 
 /*
  * Resets pos, last, mark member of |buf| to buf->begin.
@@ -152,6 +136,8 @@ typedef struct {
   nghttp2_buf_chain *head;
   /* Buffer pointer where write occurs. */
   nghttp2_buf_chain *cur;
+  /* Memory allocator */
+  nghttp2_mem *mem;
   /* The buffer capacity of each buf */
   size_t chunk_length;
   /* The maximum number of nghttp2_buf_chain */
@@ -170,15 +156,15 @@ typedef struct {
  * This is the same as calling nghttp2_bufs_init2 with the given
  * arguments and offset = 0.
  */
-int nghttp2_bufs_init(nghttp2_bufs *bufs, size_t chunk_length,
-                      size_t max_chunk);
+int nghttp2_bufs_init(nghttp2_bufs *bufs, size_t chunk_length, size_t max_chunk,
+                      nghttp2_mem *mem);
 
 /*
  * This is the same as calling nghttp2_bufs_init3 with the given
  * arguments and chunk_keep = max_chunk.
  */
 int nghttp2_bufs_init2(nghttp2_bufs *bufs, size_t chunk_length,
-                       size_t max_chunk, size_t offset);
+                       size_t max_chunk, size_t offset, nghttp2_mem *mem);
 
 /*
  * Initializes |bufs|. Each buffer size is given in the
@@ -200,7 +186,8 @@ int nghttp2_bufs_init2(nghttp2_bufs *bufs, size_t chunk_length,
  *     long.
  */
 int nghttp2_bufs_init3(nghttp2_bufs *bufs, size_t chunk_length,
-                       size_t max_chunk, size_t chunk_keep, size_t offset);
+                       size_t max_chunk, size_t chunk_keep, size_t offset,
+                       nghttp2_mem *mem);
 
 /*
  * Frees any related resources to the |bufs|.
@@ -220,7 +207,8 @@ void nghttp2_bufs_free(nghttp2_bufs *bufs);
  * NGHTTP2_ERR_NOMEM
  *     Out of memory.
  */
-int nghttp2_bufs_wrap_init(nghttp2_bufs *bufs, uint8_t *begin, size_t len);
+int nghttp2_bufs_wrap_init(nghttp2_bufs *bufs, uint8_t *begin, size_t len,
+                           nghttp2_mem *mem);
 
 /*
  * Frees any related resource to the |bufs|.  This function does not
@@ -283,12 +271,12 @@ int nghttp2_bufs_addb_hold(nghttp2_bufs *bufs, uint8_t b);
 #define nghttp2_bufs_fast_addb(BUFS, B)                                        \
   do {                                                                         \
     *(BUFS)->cur->buf.last++ = B;                                              \
-  } while(0)
+  } while (0)
 
 #define nghttp2_bufs_fast_addb_hold(BUFS, B)                                   \
   do {                                                                         \
     *(BUFS)->cur->buf.last = B;                                                \
-  } while(0)
+  } while (0)
 
 /*
  * Performs bitwise-OR of |b| at bufs->cur->buf.last. A new buffers
@@ -313,12 +301,12 @@ int nghttp2_bufs_orb_hold(nghttp2_bufs *bufs, uint8_t b);
 #define nghttp2_bufs_fast_orb(BUFS, B)                                         \
   do {                                                                         \
     *(BUFS)->cur->buf.last++ |= B;                                             \
-  } while(0)
+  } while (0)
 
 #define nghttp2_bufs_fast_orb_hold(BUFS, B)                                    \
   do {                                                                         \
     *(BUFS)->cur->buf.last |= B;                                               \
-  } while(0)
+  } while (0)
 
 /*
  * Copies all data stored in |bufs| to the contagious buffer.  This
@@ -361,7 +349,7 @@ int nghttp2_bufs_advance(nghttp2_bufs *bufs);
 #define nghttp2_bufs_rewind(BUFS)                                              \
   do {                                                                         \
     (BUFS)->cur = (BUFS)->head;                                                \
-  } while(0)
+  } while (0)
 
 /*
  * Move bufs->cur, from the current position, using next member, to

lib/nghttp2_callbacks.c

@@ -26,114 +26,98 @@
 
 #include <stdlib.h>
 
-int nghttp2_session_callbacks_new(nghttp2_session_callbacks **callbacks_ptr)
-{
+int nghttp2_session_callbacks_new(nghttp2_session_callbacks **callbacks_ptr) {
   *callbacks_ptr = calloc(1, sizeof(nghttp2_session_callbacks));
 
-  if(*callbacks_ptr == NULL) {
+  if (*callbacks_ptr == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
   return 0;
 }
 
-void nghttp2_session_callbacks_del(nghttp2_session_callbacks *callbacks)
-{
+void nghttp2_session_callbacks_del(nghttp2_session_callbacks *callbacks) {
   free(callbacks);
 }
 
-void nghttp2_session_callbacks_set_send_callback
-(nghttp2_session_callbacks *cbs, nghttp2_send_callback send_callback)
-{
+void nghttp2_session_callbacks_set_send_callback(
+    nghttp2_session_callbacks *cbs, nghttp2_send_callback send_callback) {
   cbs->send_callback = send_callback;
 }
 
-void nghttp2_session_callbacks_set_recv_callback
-(nghttp2_session_callbacks *cbs, nghttp2_recv_callback recv_callback)
-{
+void nghttp2_session_callbacks_set_recv_callback(
+    nghttp2_session_callbacks *cbs, nghttp2_recv_callback recv_callback) {
   cbs->recv_callback = recv_callback;
 }
 
-void nghttp2_session_callbacks_set_on_frame_recv_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_frame_recv_callback on_frame_recv_callback)
-{
+void nghttp2_session_callbacks_set_on_frame_recv_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_frame_recv_callback on_frame_recv_callback) {
   cbs->on_frame_recv_callback = on_frame_recv_callback;
 }
 
-void nghttp2_session_callbacks_set_on_invalid_frame_recv_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_invalid_frame_recv_callback on_invalid_frame_recv_callback)
-{
+void nghttp2_session_callbacks_set_on_invalid_frame_recv_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_invalid_frame_recv_callback on_invalid_frame_recv_callback) {
   cbs->on_invalid_frame_recv_callback = on_invalid_frame_recv_callback;
 }
 
-void nghttp2_session_callbacks_set_on_data_chunk_recv_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_data_chunk_recv_callback on_data_chunk_recv_callback)
-{
+void nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_data_chunk_recv_callback on_data_chunk_recv_callback) {
   cbs->on_data_chunk_recv_callback = on_data_chunk_recv_callback;
 }
 
-void nghttp2_session_callbacks_set_before_frame_send_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_before_frame_send_callback before_frame_send_callback)
-{
+void nghttp2_session_callbacks_set_before_frame_send_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_before_frame_send_callback before_frame_send_callback) {
   cbs->before_frame_send_callback = before_frame_send_callback;
 }
 
-void nghttp2_session_callbacks_set_on_frame_send_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_frame_send_callback on_frame_send_callback)
-{
+void nghttp2_session_callbacks_set_on_frame_send_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_frame_send_callback on_frame_send_callback) {
   cbs->on_frame_send_callback = on_frame_send_callback;
 }
 
-void nghttp2_session_callbacks_set_on_frame_not_send_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_frame_not_send_callback on_frame_not_send_callback)
-{
+void nghttp2_session_callbacks_set_on_frame_not_send_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_frame_not_send_callback on_frame_not_send_callback) {
   cbs->on_frame_not_send_callback = on_frame_not_send_callback;
 }
 
-void nghttp2_session_callbacks_set_on_stream_close_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_stream_close_callback on_stream_close_callback)
-{
+void nghttp2_session_callbacks_set_on_stream_close_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_stream_close_callback on_stream_close_callback) {
   cbs->on_stream_close_callback = on_stream_close_callback;
 }
 
-void nghttp2_session_callbacks_set_on_begin_headers_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_begin_headers_callback on_begin_headers_callback)
-{
+void nghttp2_session_callbacks_set_on_begin_headers_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_begin_headers_callback on_begin_headers_callback) {
   cbs->on_begin_headers_callback = on_begin_headers_callback;
 }
 
-void nghttp2_session_callbacks_set_on_header_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_header_callback on_header_callback)
-{
+void nghttp2_session_callbacks_set_on_header_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_header_callback on_header_callback) {
   cbs->on_header_callback = on_header_callback;
 }
 
-void nghttp2_session_callbacks_set_select_padding_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_select_padding_callback select_padding_callback)
-{
+void nghttp2_session_callbacks_set_select_padding_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_select_padding_callback select_padding_callback) {
   cbs->select_padding_callback = select_padding_callback;
 }
 
-void nghttp2_session_callbacks_set_data_source_read_length_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_data_source_read_length_callback data_source_read_length_callback)
-{
+void nghttp2_session_callbacks_set_data_source_read_length_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_data_source_read_length_callback data_source_read_length_callback) {
   cbs->read_length_callback = data_source_read_length_callback;
 }
 
-void nghttp2_session_callbacks_set_on_begin_frame_callback
-(nghttp2_session_callbacks *cbs,
- nghttp2_on_begin_frame_callback on_begin_frame_callback)
-{
+void nghttp2_session_callbacks_set_on_begin_frame_callback(
+    nghttp2_session_callbacks *cbs,
+    nghttp2_on_begin_frame_callback on_begin_frame_callback) {
   cbs->on_begin_frame_callback = on_begin_frame_callback;
 }

lib/nghttp2_callbacks.h

@@ -26,7 +26,7 @@
 #define NGHTTP2_CALLBACKS_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>

lib/nghttp2_frame.h

@@ -26,7 +26,7 @@
 #define NGHTTP2_FRAME_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>
@@ -57,7 +57,8 @@
 
 /* The default length of DATA frame payload. This should be small enough
  * for the data payload and the header to fit into 1 TLS record */
-#define NGHTTP2_DATA_PAYLOADLEN ((NGHTTP2_MAX_FRAME_SIZE_MIN) - (NGHTTP2_FRAME_HDLEN))
+#define NGHTTP2_DATA_PAYLOADLEN                                                \
+  ((NGHTTP2_MAX_FRAME_SIZE_MIN) - (NGHTTP2_FRAME_HDLEN))
 
 /* Maximum headers payload length, calculated in compressed form.
    This applies to transmission only. */
@@ -72,68 +73,22 @@
 /* Length of priority related fields in HEADERS/PRIORITY frames */
 #define NGHTTP2_PRIORITY_SPECLEN 5
 
-/* Length of fixed part in ALTSVC frame, that is the sum of fields of
-   Max-Age, Port and Proto-Len. */
-#define NGHTTP2_ALTSVC_FIXED_PARTLEN 7
-
-/* Minimum length of ALTSVC extension frame payload.
-   NGHTTP2_ALTSVC_FIXED_PARTLEN + Host-Len. */
-#define NGHTTP2_ALTSVC_MINLEN 8
-
 /* Maximum length of padding in bytes. */
 #define NGHTTP2_MAX_PADLEN 256
 
-/* Category of frames. */
-typedef enum {
-  /* non-DATA frame */
-  NGHTTP2_CAT_CTRL,
-  /* DATA frame */
-  NGHTTP2_CAT_DATA
-} nghttp2_frame_category;
-
 /* Union of extension frame payload */
-typedef union {
-  nghttp2_ext_altsvc altsvc;
-} nghttp2_ext_frame_payload;
-
-/**
- * @struct
- *
- * The DATA frame used in the library privately. It has the following
- * members:
- */
-typedef struct {
-  nghttp2_frame_hd hd;
-  /**
-   * The data to be sent for this DATA frame.
-   */
-  nghttp2_data_provider data_prd;
-  /**
-   * The number of bytes added as padding.  This includes Pad Length
-   * field (1 byte).
-   */
-  size_t padlen;
-  /**
-   * The flag to indicate whether EOF was reached or not. Initially
-   * |eof| is 0. It becomes 1 after all data were read. This is used
-   * exclusively by nghttp2 library and not in the spec.
-   */
-  uint8_t eof;
-} nghttp2_private_data;
-
-int nghttp2_frame_is_data_frame(uint8_t *head);
+typedef union { nghttp2_ext_altsvc altsvc; } nghttp2_ext_frame_payload;
 
 void nghttp2_frame_pack_frame_hd(uint8_t *buf, const nghttp2_frame_hd *hd);
 
-void nghttp2_frame_unpack_frame_hd(nghttp2_frame_hd *hd, const uint8_t* buf);
+void nghttp2_frame_unpack_frame_hd(nghttp2_frame_hd *hd, const uint8_t *buf);
 
 /**
  * Initializes frame header |hd| with given parameters.  Reserved bit
  * is set to 0.
  */
-void nghttp2_frame_hd_init(nghttp2_frame_hd *hd, size_t length,
-                           uint8_t type, uint8_t flags,
-                           int32_t stream_id);
+void nghttp2_frame_hd_init(nghttp2_frame_hd *hd, size_t length, uint8_t type,
+                           uint8_t flags, int32_t stream_id);
 
 /**
  * Returns the number of priority field depending on the |flags|.  If
@@ -156,8 +111,7 @@ void nghttp2_frame_pack_priority_spec(uint8_t *buf,
  * assumes the |payload| contains whole priority specification.
  */
 void nghttp2_frame_unpack_priority_spec(nghttp2_priority_spec *pri_spec,
-                                        uint8_t flags,
-                                        const uint8_t *payload,
+                                        uint8_t flags, const uint8_t *payload,
                                         size_t payloadlen);
 
 /*
@@ -186,8 +140,7 @@ size_t nghttp2_frame_headers_payload_nv_offset(nghttp2_headers *frame);
  * NGHTTP2_ERR_NOMEM
  *     Out of memory.
  */
-int nghttp2_frame_pack_headers(nghttp2_bufs *bufs,
-                               nghttp2_headers *frame,
+int nghttp2_frame_pack_headers(nghttp2_bufs *bufs, nghttp2_headers *frame,
                                nghttp2_hd_deflater *deflater);
 
 /*
@@ -210,8 +163,7 @@ int nghttp2_frame_unpack_headers_payload(nghttp2_headers *frame,
  *
  * This function always succeeds and returns 0.
  */
-int nghttp2_frame_pack_priority(nghttp2_bufs *bufs,
-                                nghttp2_priority *frame);
+int nghttp2_frame_pack_priority(nghttp2_bufs *bufs, nghttp2_priority *frame);
 
 /*
  * Unpacks PRIORITY wire format into |frame|.
@@ -279,7 +231,7 @@ void nghttp2_frame_unpack_settings_entry(nghttp2_settings_entry *iv,
  */
 int nghttp2_frame_unpack_settings_payload(nghttp2_settings *frame,
                                           nghttp2_settings_entry *iv,
-                                          size_t niv);
+                                          size_t niv, nghttp2_mem *mem);
 
 /*
  * Unpacks SETTINGS payload into |*iv_ptr|. The number of entries are
@@ -296,7 +248,7 @@ int nghttp2_frame_unpack_settings_payload(nghttp2_settings *frame,
 int nghttp2_frame_unpack_settings_payload2(nghttp2_settings_entry **iv_ptr,
                                            size_t *niv_ptr,
                                            const uint8_t *payload,
-                                           size_t payloadlen);
+                                           size_t payloadlen, nghttp2_mem *mem);
 
 /*
  * Packs PUSH_PROMISE frame |frame| in wire format and store it in
@@ -399,7 +351,7 @@ void nghttp2_frame_unpack_goaway_payload(nghttp2_goaway *frame,
  */
 int nghttp2_frame_unpack_goaway_payload2(nghttp2_goaway *frame,
                                          const uint8_t *payload,
-                                         size_t payloadlen);
+                                         size_t payloadlen, nghttp2_mem *mem);
 
 /*
  * Packs WINDOW_UPDATE frame |frame| in wire frame format and store it
@@ -420,71 +372,24 @@ void nghttp2_frame_unpack_window_update_payload(nghttp2_window_update *frame,
                                                 const uint8_t *payload,
                                                 size_t payloadlen);
 
-/*
- * Packs ALTSVC frame |frame| in wire format and store it in |bufs|.
- * This function expands |bufs| as necessary to store frame.
- *
- * The caller must make sure that nghttp2_bufs_reset(bufs) is called
- * before calling this function.
- *
- * The caller must make sure that frame->payload points to
- * nghttp2_ext_altsvc object.
- *
- * This function returns 0 if it succeeds or one of the following
- * negative error codes:
- *
- * NGHTTP2_ERR_NOMEM
- *     Out of memory.
- * NGHTTP2_ERR_FRAME_SIZE_ERROR
- *     The length of the frame is too large.
- */
-int nghttp2_frame_pack_altsvc(nghttp2_bufs *bufs, nghttp2_extension *frame);
-
-
-/*
- * Unpacks ALTSVC frame byte sequence into |frame|.
- * The |payload| of length |payloadlen| contains first 8 bytes of
- * payload.  The |var_gift_payload| of length |var_gift_payloadlen|
- * contains remaining payload and its buffer is gifted to the function
- * and then |frame|.  The |var_gift_payloadlen| must be freed by
- * nghttp2_frame_altsvc_free().
- *
- * The caller must make sure that frame->payload points to
- * nghttp2_ext_altsvc object.
- *
- * This function returns 0 if it succeeds or one of the following
- * negative error codes:
- *
- * NGHTTP2_ERR_FRAME_SIZE_ERROR
- *   The |var_gift_payload| does not contain required data.
- */
-int nghttp2_frame_unpack_altsvc_payload(nghttp2_extension *frame,
-                                        const uint8_t *payload,
-                                        size_t payloadlen,
-                                        uint8_t *var_gift_payload,
-                                        size_t var_gift_payloadlen);
-
 /*
  * Initializes HEADERS frame |frame| with given values.  |frame| takes
  * ownership of |nva|, so caller must not free it. If |stream_id| is
  * not assigned yet, it must be -1.
  */
-void nghttp2_frame_headers_init(nghttp2_headers *frame,
-                                uint8_t flags, int32_t stream_id,
-                                nghttp2_headers_category cat,
+void nghttp2_frame_headers_init(nghttp2_headers *frame, uint8_t flags,
+                                int32_t stream_id, nghttp2_headers_category cat,
                                 const nghttp2_priority_spec *pri_spec,
                                 nghttp2_nv *nva, size_t nvlen);
 
-void nghttp2_frame_headers_free(nghttp2_headers *frame);
-
+void nghttp2_frame_headers_free(nghttp2_headers *frame, nghttp2_mem *mem);
 
 void nghttp2_frame_priority_init(nghttp2_priority *frame, int32_t stream_id,
                                  const nghttp2_priority_spec *pri_spec);
 
 void nghttp2_frame_priority_free(nghttp2_priority *frame);
 
-void nghttp2_frame_rst_stream_init(nghttp2_rst_stream *frame,
-                                   int32_t stream_id,
+void nghttp2_frame_rst_stream_init(nghttp2_rst_stream *frame, int32_t stream_id,
                                    uint32_t error_code);
 
 void nghttp2_frame_rst_stream_free(nghttp2_rst_stream *frame);
@@ -493,12 +398,13 @@ void nghttp2_frame_rst_stream_free(nghttp2_rst_stream *frame);
  * Initializes PUSH_PROMISE frame |frame| with given values.  |frame|
  * takes ownership of |nva|, so caller must not free it.
  */
-void nghttp2_frame_push_promise_init(nghttp2_push_promise *frame,
-                                     uint8_t flags, int32_t stream_id,
+void nghttp2_frame_push_promise_init(nghttp2_push_promise *frame, uint8_t flags,
+                                     int32_t stream_id,
                                      int32_t promised_stream_id,
                                      nghttp2_nv *nva, size_t nvlen);
 
-void nghttp2_frame_push_promise_free(nghttp2_push_promise *frame);
+void nghttp2_frame_push_promise_free(nghttp2_push_promise *frame,
+                                     nghttp2_mem *mem);
 
 /*
  * Initializes SETTINGS frame |frame| with given values. |frame| takes
@@ -508,7 +414,7 @@ void nghttp2_frame_push_promise_free(nghttp2_push_promise *frame);
 void nghttp2_frame_settings_init(nghttp2_settings *frame, uint8_t flags,
                                  nghttp2_settings_entry *iv, size_t niv);
 
-void nghttp2_frame_settings_free(nghttp2_settings *frame);
+void nghttp2_frame_settings_free(nghttp2_settings *frame, nghttp2_mem *mem);
 
 /*
  * Initializes PING frame |frame| with given values. If the
@@ -527,40 +433,17 @@ void nghttp2_frame_ping_free(nghttp2_ping *frame);
  * free it. If the |opaque_data_len| is 0, opaque_data could be NULL.
  */
 void nghttp2_frame_goaway_init(nghttp2_goaway *frame, int32_t last_stream_id,
-                               uint32_t error_code,
-                               uint8_t *opaque_data, size_t opaque_data_len);
+                               uint32_t error_code, uint8_t *opaque_data,
+                               size_t opaque_data_len);
 
-void nghttp2_frame_goaway_free(nghttp2_goaway *frame);
+void nghttp2_frame_goaway_free(nghttp2_goaway *frame, nghttp2_mem *mem);
 
 void nghttp2_frame_window_update_init(nghttp2_window_update *frame,
-                                      uint8_t flags,
-                                      int32_t stream_id,
+                                      uint8_t flags, int32_t stream_id,
                                       int32_t window_size_increment);
 
 void nghttp2_frame_window_update_free(nghttp2_window_update *frame);
 
-/* protocol_id, host and origin must be allocated to the one chunk of
-   memory region and protocol_id must point to it.  We only free
-   protocol_id.  This means that |protocol_id| is not NULL even if
-   |protocol_id_len| == 0 and |host_len| + |origin_len| > 0.  If
-   |protocol_id_len|, |host_len| and |origin_len| are all zero,
-   |protocol_id| can be NULL. */
-void nghttp2_frame_altsvc_init(nghttp2_extension *frame, int32_t stream_id,
-                               uint32_t max_age,
-                               uint16_t port,
-                               uint8_t *protocol_id,
-                               size_t protocol_id_len,
-                               uint8_t *host, size_t host_len,
-                               uint8_t *origin, size_t origin_len);
-
-/*
- *  Frees resources used by |frame|.  This function does not free
- *  frame->payload itself.
- */
-void nghttp2_frame_altsvc_free(nghttp2_extension *frame);
-
-void nghttp2_frame_data_init(nghttp2_data *frame, nghttp2_private_data *pdata);
-
 /*
  * Returns the number of padding bytes after payload.  The total
  * padding length is given in the |padlen|.  The returned value does
@@ -568,20 +451,18 @@ void nghttp2_frame_data_init(nghttp2_data *frame, nghttp2_private_data *pdata);
  */
 size_t nghttp2_frame_trail_padlen(nghttp2_frame *frame, size_t padlen);
 
-void nghttp2_frame_private_data_init(nghttp2_private_data *frame,
-                                     uint8_t flags,
-                                     int32_t stream_id,
-                                     const nghttp2_data_provider *data_prd);
+void nghttp2_frame_data_init(nghttp2_data *frame, uint8_t flags,
+                             int32_t stream_id);
 
-void nghttp2_frame_private_data_free(nghttp2_private_data *frame);
+void nghttp2_frame_data_free(nghttp2_data *frame);
 
 /*
  * Makes copy of |iv| and return the copy. The |niv| is the number of
  * entries in |iv|. This function returns the pointer to the copy if
  * it succeeds, or NULL.
  */
-nghttp2_settings_entry* nghttp2_frame_iv_copy(const nghttp2_settings_entry *iv,
-                                              size_t niv);
+nghttp2_settings_entry *nghttp2_frame_iv_copy(const nghttp2_settings_entry *iv,
+                                              size_t niv, nghttp2_mem *mem);
 
 /*
  * Sorts the |nva| in ascending order of name and value. If names are
@@ -602,8 +483,8 @@ void nghttp2_nv_array_sort(nghttp2_nv *nva, size_t nvlen);
  * NGHTTP2_ERR_NOMEM
  *     Out of memory.
  */
-int nghttp2_nv_array_copy(nghttp2_nv **nva_ptr,
-                          const nghttp2_nv *nva, size_t nvlen);
+int nghttp2_nv_array_copy(nghttp2_nv **nva_ptr, const nghttp2_nv *nva,
+                          size_t nvlen, nghttp2_mem *mem);
 
 /*
  * Returns nonzero if the name/value pair |a| equals to |b|. The name
@@ -615,7 +496,7 @@ int nghttp2_nv_equal(const nghttp2_nv *a, const nghttp2_nv *b);
 /*
  * Frees |nva|.
  */
-void nghttp2_nv_array_del(nghttp2_nv *nva);
+void nghttp2_nv_array_del(nghttp2_nv *nva, nghttp2_mem *mem);
 
 /*
  * Checks that the |iv|, which includes |niv| entries, does not have

lib/nghttp2_hd.h

@@ -26,13 +26,14 @@
 #define NGHTTP2_HD_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>
 
 #include "nghttp2_hd_huffman.h"
 #include "nghttp2_buf.h"
+#include "nghttp2_mem.h"
 
 #define NGHTTP2_HD_DEFAULT_MAX_BUFFER_SIZE NGHTTP2_DEFAULT_HEADER_TABLE_SIZE
 #define NGHTTP2_HD_ENTRY_OVERHEAD 32
@@ -73,6 +74,11 @@ typedef struct {
   uint8_t flags;
 } nghttp2_hd_entry;
 
+typedef struct {
+  nghttp2_hd_entry ent;
+  size_t index;
+} nghttp2_hd_static_entry;
+
 typedef struct {
   nghttp2_hd_entry **buffer;
   size_t mask;
@@ -104,6 +110,8 @@ typedef enum {
 typedef struct {
   /* dynamic header table */
   nghttp2_hd_ringbuf hd_table;
+  /* Memory allocator */
+  nghttp2_mem *mem;
   /* Abstract buffer size of hd_table as described in the spec. This
      is the sum of length of name/value in hd_table +
      NGHTTP2_HD_ENTRY_OVERHEAD bytes overhead per each entry. */
@@ -178,12 +186,12 @@ struct nghttp2_hd_inflater {
  * NGHTTP2_ERR_NOMEM
  *     Out of memory.
  */
-int nghttp2_hd_entry_init(nghttp2_hd_entry *ent, uint8_t flags,
-                          uint8_t *name, size_t namelen,
-                          uint8_t *value, size_t valuelen,
-                          uint32_t name_hash, uint32_t value_hash);
+int nghttp2_hd_entry_init(nghttp2_hd_entry *ent, uint8_t flags, uint8_t *name,
+                          size_t namelen, uint8_t *value, size_t valuelen,
+                          uint32_t name_hash, uint32_t value_hash,
+                          nghttp2_mem *mem);
 
-void nghttp2_hd_entry_free(nghttp2_hd_entry *ent);
+void nghttp2_hd_entry_free(nghttp2_hd_entry *ent, nghttp2_mem *mem);
 
 /*
  * Initializes |deflater| for deflating name/values pairs.
@@ -199,7 +207,7 @@ void nghttp2_hd_entry_free(nghttp2_hd_entry *ent);
  * NGHTTP2_ERR_NOMEM
  *     Out of memory.
  */
-int nghttp2_hd_deflate_init(nghttp2_hd_deflater *deflater);
+int nghttp2_hd_deflate_init(nghttp2_hd_deflater *deflater, nghttp2_mem *mem);
 
 /*
  * Initializes |deflater| for deflating name/values pairs.
@@ -215,7 +223,8 @@ int nghttp2_hd_deflate_init(nghttp2_hd_deflater *deflater);
  *     Out of memory.
  */
 int nghttp2_hd_deflate_init2(nghttp2_hd_deflater *deflater,
-                             size_t deflate_hd_table_bufsize_max);
+                             size_t deflate_hd_table_bufsize_max,
+                             nghttp2_mem *mem);
 
 /*
  * Deallocates any resources allocated for |deflater|.
@@ -243,8 +252,8 @@ void nghttp2_hd_deflate_free(nghttp2_hd_deflater *deflater);
  *     Out of buffer space.
  */
 int nghttp2_hd_deflate_hd_bufs(nghttp2_hd_deflater *deflater,
-                               nghttp2_bufs *bufs,
-                               const nghttp2_nv *nva, size_t nvlen);
+                               nghttp2_bufs *bufs, const nghttp2_nv *nva,
+                               size_t nvlen);
 
 /*
  * Initializes |inflater| for inflating name/values pairs.
@@ -255,7 +264,7 @@ int nghttp2_hd_deflate_hd_bufs(nghttp2_hd_deflater *deflater,
  * :enum:`NGHTTP2_ERR_NOMEM`
  *     Out of memory.
  */
-int nghttp2_hd_inflate_init(nghttp2_hd_inflater *inflater);
+int nghttp2_hd_inflate_init(nghttp2_hd_inflater *inflater, nghttp2_mem *mem);
 
 /*
  * Deallocates any resources allocated for |inflater|.
@@ -274,13 +283,13 @@ int nghttp2_hd_emit_newname_block(nghttp2_bufs *bufs, nghttp2_nv *nv,
 int nghttp2_hd_emit_table_size(nghttp2_bufs *bufs, size_t table_size);
 
 /* For unittesting purpose */
-nghttp2_hd_entry* nghttp2_hd_table_get(nghttp2_hd_context *context,
+nghttp2_hd_entry *nghttp2_hd_table_get(nghttp2_hd_context *context,
                                        size_t index);
 
 /* For unittesting purpose */
 ssize_t nghttp2_hd_decode_length(uint32_t *res, size_t *shift_ptr, int *final,
-                                 uint32_t initial, size_t shift,
-                                 uint8_t *in, uint8_t *last, size_t prefix);
+                                 uint32_t initial, size_t shift, uint8_t *in,
+                                 uint8_t *last, size_t prefix);
 
 /* Huffman encoding/decoding functions */
 
@@ -305,8 +314,8 @@ size_t nghttp2_hd_huff_encode_count(const uint8_t *src, size_t len);
  * NGHTTP2_ERR_BUFFER_ERROR
  *     Out of buffer space.
  */
-int nghttp2_hd_huff_encode(nghttp2_bufs *bufs,
-                           const uint8_t *src, size_t srclen);
+int nghttp2_hd_huff_encode(nghttp2_bufs *bufs, const uint8_t *src,
+                           size_t srclen);
 
 void nghttp2_hd_huff_decode_context_init(nghttp2_hd_huff_decode_context *ctx);
 
@@ -334,7 +343,7 @@ void nghttp2_hd_huff_decode_context_init(nghttp2_hd_huff_decode_context *ctx);
  *     Decoding process has failed.
  */
 ssize_t nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
-                               nghttp2_bufs *bufs,
-                               const uint8_t *src, size_t srclen, int final);
+                               nghttp2_bufs *bufs, const uint8_t *src,
+                               size_t srclen, int final);
 
 #endif /* NGHTTP2_HD_H */

lib/nghttp2_hd_huffman.c

@@ -41,78 +41,90 @@ extern const nghttp2_huff_decode huff_decode_table[][16];
  * unfilled bits in the pointed location is returned.
  */
 static ssize_t huff_encode_sym(nghttp2_bufs *bufs, size_t *avail_ptr,
-                               size_t rembits,
-                               const nghttp2_huff_sym *sym)
-{
+                               size_t rembits, const nghttp2_huff_sym *sym) {
   int rv;
   size_t nbits = sym->nbits;
+  uint32_t code = sym->code;
 
-  for(;;) {
-    if(rembits > nbits) {
-      if(*avail_ptr) {
-        nghttp2_bufs_fast_orb_hold(bufs, sym->code << (rembits - nbits));
-      } else {
-        rv = nghttp2_bufs_orb_hold(bufs, sym->code << (rembits - nbits));
-        if(rv != 0) {
-          return rv;
+  /* We assume that sym->nbits <= 32 */
+  if (rembits > nbits) {
+    nghttp2_bufs_fast_orb_hold(bufs, code << (rembits - nbits));
+    return (ssize_t)(rembits - nbits);
   }
 
-        *avail_ptr = nghttp2_bufs_cur_avail(bufs);
-      }
-
-      rembits -= nbits;
-
-      break;
-    }
-
-    if(*avail_ptr) {
-      nghttp2_bufs_fast_orb(bufs, sym->code >> (nbits - rembits));
+  if (rembits == nbits) {
+    nghttp2_bufs_fast_orb(bufs, code);
     --*avail_ptr;
-    } else {
-      rv = nghttp2_bufs_orb(bufs, sym->code >> (nbits - rembits));
-      if(rv != 0) {
-        return rv;
+    return 8;
   }
 
-      *avail_ptr = nghttp2_bufs_cur_avail(bufs);
-    }
+  nghttp2_bufs_fast_orb(bufs, code >> (nbits - rembits));
+  --*avail_ptr;
 
   nbits -= rembits;
-    rembits = 8;
-
-    if(nbits == 0) {
-      break;
+  if (nbits & 0x7) {
+    /* align code to MSB byte boundary */
+    code <<= 8 - (nbits & 0x7);
   }
 
-    if(*avail_ptr) {
-      nghttp2_bufs_fast_addb_hold(bufs, 0);
-    } else {
-      rv = nghttp2_bufs_addb_hold(bufs, 0);
-      if(rv != 0) {
+  /* we lose at most 3 bytes, but it is not critical in practice */
+  if (*avail_ptr < (nbits + 7) / 8) {
+    rv = nghttp2_bufs_advance(bufs);
+    if (rv != 0) {
       return rv;
     }
-
     *avail_ptr = nghttp2_bufs_cur_avail(bufs);
+    /* we assume that we at least 3 buffer space available */
+    assert(*avail_ptr >= 3);
   }
+
+  /* fast path, since most code is less than 8 */
+  if (nbits < 8) {
+    nghttp2_bufs_fast_addb_hold(bufs, code);
+    *avail_ptr = nghttp2_bufs_cur_avail(bufs);
+    return (ssize_t)(8 - nbits);
   }
-  return (ssize_t)rembits;
+
+  /* handle longer code path */
+  if (nbits > 24) {
+    nghttp2_bufs_fast_addb(bufs, code >> 24);
+    nbits -= 8;
+  }
+
+  if (nbits > 16) {
+    nghttp2_bufs_fast_addb(bufs, code >> 16);
+    nbits -= 8;
+  }
+
+  if (nbits > 8) {
+    nghttp2_bufs_fast_addb(bufs, code >> 8);
+    nbits -= 8;
+  }
+
+  if (nbits == 8) {
+    nghttp2_bufs_fast_addb(bufs, code);
+    *avail_ptr = nghttp2_bufs_cur_avail(bufs);
+    return 8;
+  }
+
+  nghttp2_bufs_fast_addb_hold(bufs, code);
+  *avail_ptr = nghttp2_bufs_cur_avail(bufs);
+  return (ssize_t)(8 - nbits);
 }
 
-size_t nghttp2_hd_huff_encode_count(const uint8_t *src, size_t len)
-{
+size_t nghttp2_hd_huff_encode_count(const uint8_t *src, size_t len) {
   size_t i;
   size_t nbits = 0;
 
-  for(i = 0; i < len; ++i) {
+  for (i = 0; i < len; ++i) {
     nbits += huff_sym_table[src[i]].nbits;
   }
   /* pad the prefix of EOS (256) */
   return (nbits + 7) / 8;
 }
 
-int nghttp2_hd_huff_encode(nghttp2_bufs *bufs,
-                           const uint8_t *src, size_t srclen)
-{
+int nghttp2_hd_huff_encode(nghttp2_bufs *bufs, const uint8_t *src,
+                           size_t srclen) {
   int rv;
   ssize_t rembits = 8;
   size_t i;
@@ -120,52 +132,45 @@ int nghttp2_hd_huff_encode(nghttp2_bufs *bufs,
 
   avail = nghttp2_bufs_cur_avail(bufs);
 
-  for(i = 0; i < srclen; ++i) {
+  for (i = 0; i < srclen; ++i) {
     const nghttp2_huff_sym *sym = &huff_sym_table[src[i]];
-    if(rembits == 8) {
-      if(avail) {
+    if (rembits == 8) {
+      if (avail) {
         nghttp2_bufs_fast_addb_hold(bufs, 0);
       } else {
         rv = nghttp2_bufs_addb_hold(bufs, 0);
-        if(rv != 0) {
+        if (rv != 0) {
           return rv;
         }
         avail = nghttp2_bufs_cur_avail(bufs);
       }
     }
     rembits = huff_encode_sym(bufs, &avail, rembits, sym);
-    if(rembits < 0) {
+    if (rembits < 0) {
       return (int)rembits;
     }
   }
   /* 256 is special terminal symbol, pad with its prefix */
-  if(rembits < 8) {
+  if (rembits < 8) {
+    /* if rembits < 8, we should have at least 1 buffer space
+       available */
     const nghttp2_huff_sym *sym = &huff_sym_table[256];
-
+    assert(avail);
     /* Caution we no longer adjust avail here */
-    if(avail) {
     nghttp2_bufs_fast_orb(bufs, sym->code >> (sym->nbits - rembits));
-    } else {
-      rv = nghttp2_bufs_orb(bufs, sym->code >> (sym->nbits - rembits));
-      if(rv != 0) {
-        return rv;
-      }
-    }
   }
 
   return 0;
 }
 
-void nghttp2_hd_huff_decode_context_init(nghttp2_hd_huff_decode_context *ctx)
-{
+void nghttp2_hd_huff_decode_context_init(nghttp2_hd_huff_decode_context *ctx) {
   ctx->state = 0;
   ctx->accept = 1;
 }
 
 ssize_t nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
-                               nghttp2_bufs *bufs,
-                               const uint8_t *src, size_t srclen, int final)
-{
+                               nghttp2_bufs *bufs, const uint8_t *src,
+                               size_t srclen, int final) {
   size_t i, j;
   int rv;
   size_t avail;
@@ -174,22 +179,22 @@ ssize_t nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
 
   /* We use the decoding algorithm described in
      http://graphics.ics.uci.edu/pub/Prefix.pdf */
-  for(i = 0; i < srclen; ++i) {
+  for (i = 0; i < srclen; ++i) {
     uint8_t in = src[i] >> 4;
-    for(j = 0; j < 2; ++j) {
+    for (j = 0; j < 2; ++j) {
       const nghttp2_huff_decode *t;
 
       t = &huff_decode_table[ctx->state][in];
-      if(t->flags & NGHTTP2_HUFF_FAIL) {
+      if (t->flags & NGHTTP2_HUFF_FAIL) {
         return NGHTTP2_ERR_HEADER_COMP;
       }
-      if(t->flags & NGHTTP2_HUFF_SYM) {
-        if(avail) {
+      if (t->flags & NGHTTP2_HUFF_SYM) {
+        if (avail) {
           nghttp2_bufs_fast_addb(bufs, t->sym);
           --avail;
         } else {
           rv = nghttp2_bufs_addb(bufs, t->sym);
-          if(rv != 0) {
+          if (rv != 0) {
             return rv;
           }
           avail = nghttp2_bufs_cur_avail(bufs);
@@ -200,7 +205,7 @@ ssize_t nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
       in = src[i] & 0xf;
     }
   }
-  if(final && !ctx->accept) {
+  if (final && !ctx->accept) {
     return NGHTTP2_ERR_HEADER_COMP;
   }
   return (ssize_t)i;

lib/nghttp2_hd_huffman.h

@@ -26,7 +26,7 @@
 #define NGHTTP2_HD_HUFFMAN_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>

lib/nghttp2_hd_huffman_data.c

@@ -24,265 +24,265 @@
  */
 #include "nghttp2_hd_huffman.h"
 
-const nghttp2_huff_sym huff_sym_table[] = {
-  { 13, 0x1ff8u },
-  { 23, 0x7fffd8u },
-  { 28, 0xfffffe2u },
-  { 28, 0xfffffe3u },
-  { 28, 0xfffffe4u },
-  { 28, 0xfffffe5u },
-  { 28, 0xfffffe6u },
-  { 28, 0xfffffe7u },
-  { 28, 0xfffffe8u },
-  { 24, 0xffffeau },
-  { 30, 0x3ffffffcu },
-  { 28, 0xfffffe9u },
-  { 28, 0xfffffeau },
-  { 30, 0x3ffffffdu },
-  { 28, 0xfffffebu },
-  { 28, 0xfffffecu },
-  { 28, 0xfffffedu },
-  { 28, 0xfffffeeu },
-  { 28, 0xfffffefu },
-  { 28, 0xffffff0u },
-  { 28, 0xffffff1u },
-  { 28, 0xffffff2u },
-  { 30, 0x3ffffffeu },
-  { 28, 0xffffff3u },
-  { 28, 0xffffff4u },
-  { 28, 0xffffff5u },
-  { 28, 0xffffff6u },
-  { 28, 0xffffff7u },
-  { 28, 0xffffff8u },
-  { 28, 0xffffff9u },
-  { 28, 0xffffffau },
-  { 28, 0xffffffbu },
-  { 6, 0x14u },
-  { 10, 0x3f8u },
-  { 10, 0x3f9u },
-  { 12, 0xffau },
-  { 13, 0x1ff9u },
-  { 6, 0x15u },
-  { 8, 0xf8u },
-  { 11, 0x7fau },
-  { 10, 0x3fau },
-  { 10, 0x3fbu },
-  { 8, 0xf9u },
-  { 11, 0x7fbu },
-  { 8, 0xfau },
-  { 6, 0x16u },
-  { 6, 0x17u },
-  { 6, 0x18u },
-  { 5, 0x0u },
-  { 5, 0x1u },
-  { 5, 0x2u },
-  { 6, 0x19u },
-  { 6, 0x1au },
-  { 6, 0x1bu },
-  { 6, 0x1cu },
-  { 6, 0x1du },
-  { 6, 0x1eu },
-  { 6, 0x1fu },
-  { 7, 0x5cu },
-  { 8, 0xfbu },
-  { 15, 0x7ffcu },
-  { 6, 0x20u },
-  { 12, 0xffbu },
-  { 10, 0x3fcu },
-  { 13, 0x1ffau },
-  { 6, 0x21u },
-  { 7, 0x5du },
-  { 7, 0x5eu },
-  { 7, 0x5fu },
-  { 7, 0x60u },
-  { 7, 0x61u },
-  { 7, 0x62u },
-  { 7, 0x63u },
-  { 7, 0x64u },
-  { 7, 0x65u },
-  { 7, 0x66u },
-  { 7, 0x67u },
-  { 7, 0x68u },
-  { 7, 0x69u },
-  { 7, 0x6au },
-  { 7, 0x6bu },
-  { 7, 0x6cu },
-  { 7, 0x6du },
-  { 7, 0x6eu },
-  { 7, 0x6fu },
-  { 7, 0x70u },
-  { 7, 0x71u },
-  { 7, 0x72u },
-  { 8, 0xfcu },
-  { 7, 0x73u },
-  { 8, 0xfdu },
-  { 13, 0x1ffbu },
-  { 19, 0x7fff0u },
-  { 13, 0x1ffcu },
-  { 14, 0x3ffcu },
-  { 6, 0x22u },
-  { 15, 0x7ffdu },
-  { 5, 0x3u },
-  { 6, 0x23u },
-  { 5, 0x4u },
-  { 6, 0x24u },
-  { 5, 0x5u },
-  { 6, 0x25u },
-  { 6, 0x26u },
-  { 6, 0x27u },
-  { 5, 0x6u },
-  { 7, 0x74u },
-  { 7, 0x75u },
-  { 6, 0x28u },
-  { 6, 0x29u },
-  { 6, 0x2au },
-  { 5, 0x7u },
-  { 6, 0x2bu },
-  { 7, 0x76u },
-  { 6, 0x2cu },
-  { 5, 0x8u },
-  { 5, 0x9u },
-  { 6, 0x2du },
-  { 7, 0x77u },
-  { 7, 0x78u },
-  { 7, 0x79u },
-  { 7, 0x7au },
-  { 7, 0x7bu },
-  { 15, 0x7ffeu },
-  { 11, 0x7fcu },
-  { 14, 0x3ffdu },
-  { 13, 0x1ffdu },
-  { 28, 0xffffffcu },
-  { 20, 0xfffe6u },
-  { 22, 0x3fffd2u },
-  { 20, 0xfffe7u },
-  { 20, 0xfffe8u },
-  { 22, 0x3fffd3u },
-  { 22, 0x3fffd4u },
-  { 22, 0x3fffd5u },
-  { 23, 0x7fffd9u },
-  { 22, 0x3fffd6u },
-  { 23, 0x7fffdau },
-  { 23, 0x7fffdbu },
-  { 23, 0x7fffdcu },
-  { 23, 0x7fffddu },
-  { 23, 0x7fffdeu },
-  { 24, 0xffffebu },
-  { 23, 0x7fffdfu },
-  { 24, 0xffffecu },
-  { 24, 0xffffedu },
-  { 22, 0x3fffd7u },
-  { 23, 0x7fffe0u },
-  { 24, 0xffffeeu },
-  { 23, 0x7fffe1u },
-  { 23, 0x7fffe2u },
-  { 23, 0x7fffe3u },
-  { 23, 0x7fffe4u },
-  { 21, 0x1fffdcu },
-  { 22, 0x3fffd8u },
-  { 23, 0x7fffe5u },
-  { 22, 0x3fffd9u },
-  { 23, 0x7fffe6u },
-  { 23, 0x7fffe7u },
-  { 24, 0xffffefu },
-  { 22, 0x3fffdau },
-  { 21, 0x1fffddu },
-  { 20, 0xfffe9u },
-  { 22, 0x3fffdbu },
-  { 22, 0x3fffdcu },
-  { 23, 0x7fffe8u },
-  { 23, 0x7fffe9u },
-  { 21, 0x1fffdeu },
-  { 23, 0x7fffeau },
-  { 22, 0x3fffddu },
-  { 22, 0x3fffdeu },
-  { 24, 0xfffff0u },
-  { 21, 0x1fffdfu },
-  { 22, 0x3fffdfu },
-  { 23, 0x7fffebu },
-  { 23, 0x7fffecu },
-  { 21, 0x1fffe0u },
-  { 21, 0x1fffe1u },
-  { 22, 0x3fffe0u },
-  { 21, 0x1fffe2u },
-  { 23, 0x7fffedu },
-  { 22, 0x3fffe1u },
-  { 23, 0x7fffeeu },
-  { 23, 0x7fffefu },
-  { 20, 0xfffeau },
-  { 22, 0x3fffe2u },
-  { 22, 0x3fffe3u },
-  { 22, 0x3fffe4u },
-  { 23, 0x7ffff0u },
-  { 22, 0x3fffe5u },
-  { 22, 0x3fffe6u },
-  { 23, 0x7ffff1u },
-  { 26, 0x3ffffe0u },
-  { 26, 0x3ffffe1u },
-  { 20, 0xfffebu },
-  { 19, 0x7fff1u },
-  { 22, 0x3fffe7u },
-  { 23, 0x7ffff2u },
-  { 22, 0x3fffe8u },
-  { 25, 0x1ffffecu },
-  { 26, 0x3ffffe2u },
-  { 26, 0x3ffffe3u },
-  { 26, 0x3ffffe4u },
-  { 27, 0x7ffffdeu },
-  { 27, 0x7ffffdfu },
-  { 26, 0x3ffffe5u },
-  { 24, 0xfffff1u },
-  { 25, 0x1ffffedu },
-  { 19, 0x7fff2u },
-  { 21, 0x1fffe3u },
-  { 26, 0x3ffffe6u },
-  { 27, 0x7ffffe0u },
-  { 27, 0x7ffffe1u },
-  { 26, 0x3ffffe7u },
-  { 27, 0x7ffffe2u },
-  { 24, 0xfffff2u },
-  { 21, 0x1fffe4u },
-  { 21, 0x1fffe5u },
-  { 26, 0x3ffffe8u },
-  { 26, 0x3ffffe9u },
-  { 28, 0xffffffdu },
-  { 27, 0x7ffffe3u },
-  { 27, 0x7ffffe4u },
-  { 27, 0x7ffffe5u },
-  { 20, 0xfffecu },
-  { 24, 0xfffff3u },
-  { 20, 0xfffedu },
-  { 21, 0x1fffe6u },
-  { 22, 0x3fffe9u },
-  { 21, 0x1fffe7u },
-  { 21, 0x1fffe8u },
-  { 23, 0x7ffff3u },
-  { 22, 0x3fffeau },
-  { 22, 0x3fffebu },
-  { 25, 0x1ffffeeu },
-  { 25, 0x1ffffefu },
-  { 24, 0xfffff4u },
-  { 24, 0xfffff5u },
-  { 26, 0x3ffffeau },
-  { 23, 0x7ffff4u },
-  { 26, 0x3ffffebu },
-  { 27, 0x7ffffe6u },
-  { 26, 0x3ffffecu },
-  { 26, 0x3ffffedu },
-  { 27, 0x7ffffe7u },
-  { 27, 0x7ffffe8u },
-  { 27, 0x7ffffe9u },
-  { 27, 0x7ffffeau },
-  { 27, 0x7ffffebu },
-  { 28, 0xffffffeu },
-  { 27, 0x7ffffecu },
-  { 27, 0x7ffffedu },
-  { 27, 0x7ffffeeu },
-  { 27, 0x7ffffefu },
-  { 27, 0x7fffff0u },
-  { 26, 0x3ffffeeu },
-  { 30, 0x3fffffffu }
-};
+/* Generated by mkhufftbl.py */
+
+const nghttp2_huff_sym huff_sym_table[] = {{13, 0x1ff8u},
+                                           {23, 0x7fffd8u},
+                                           {28, 0xfffffe2u},
+                                           {28, 0xfffffe3u},
+                                           {28, 0xfffffe4u},
+                                           {28, 0xfffffe5u},
+                                           {28, 0xfffffe6u},
+                                           {28, 0xfffffe7u},
+                                           {28, 0xfffffe8u},
+                                           {24, 0xffffeau},
+                                           {30, 0x3ffffffcu},
+                                           {28, 0xfffffe9u},
+                                           {28, 0xfffffeau},
+                                           {30, 0x3ffffffdu},
+                                           {28, 0xfffffebu},
+                                           {28, 0xfffffecu},
+                                           {28, 0xfffffedu},
+                                           {28, 0xfffffeeu},
+                                           {28, 0xfffffefu},
+                                           {28, 0xffffff0u},
+                                           {28, 0xffffff1u},
+                                           {28, 0xffffff2u},
+                                           {30, 0x3ffffffeu},
+                                           {28, 0xffffff3u},
+                                           {28, 0xffffff4u},
+                                           {28, 0xffffff5u},
+                                           {28, 0xffffff6u},
+                                           {28, 0xffffff7u},
+                                           {28, 0xffffff8u},
+                                           {28, 0xffffff9u},
+                                           {28, 0xffffffau},
+                                           {28, 0xffffffbu},
+                                           {6, 0x14u},
+                                           {10, 0x3f8u},
+                                           {10, 0x3f9u},
+                                           {12, 0xffau},
+                                           {13, 0x1ff9u},
+                                           {6, 0x15u},
+                                           {8, 0xf8u},
+                                           {11, 0x7fau},
+                                           {10, 0x3fau},
+                                           {10, 0x3fbu},
+                                           {8, 0xf9u},
+                                           {11, 0x7fbu},
+                                           {8, 0xfau},
+                                           {6, 0x16u},
+                                           {6, 0x17u},
+                                           {6, 0x18u},
+                                           {5, 0x0u},
+                                           {5, 0x1u},
+                                           {5, 0x2u},
+                                           {6, 0x19u},
+                                           {6, 0x1au},
+                                           {6, 0x1bu},
+                                           {6, 0x1cu},
+                                           {6, 0x1du},
+                                           {6, 0x1eu},
+                                           {6, 0x1fu},
+                                           {7, 0x5cu},
+                                           {8, 0xfbu},
+                                           {15, 0x7ffcu},
+                                           {6, 0x20u},
+                                           {12, 0xffbu},
+                                           {10, 0x3fcu},
+                                           {13, 0x1ffau},
+                                           {6, 0x21u},
+                                           {7, 0x5du},
+                                           {7, 0x5eu},
+                                           {7, 0x5fu},
+                                           {7, 0x60u},
+                                           {7, 0x61u},
+                                           {7, 0x62u},
+                                           {7, 0x63u},
+                                           {7, 0x64u},
+                                           {7, 0x65u},
+                                           {7, 0x66u},
+                                           {7, 0x67u},
+                                           {7, 0x68u},
+                                           {7, 0x69u},
+                                           {7, 0x6au},
+                                           {7, 0x6bu},
+                                           {7, 0x6cu},
+                                           {7, 0x6du},
+                                           {7, 0x6eu},
+                                           {7, 0x6fu},
+                                           {7, 0x70u},
+                                           {7, 0x71u},
+                                           {7, 0x72u},
+                                           {8, 0xfcu},
+                                           {7, 0x73u},
+                                           {8, 0xfdu},
+                                           {13, 0x1ffbu},
+                                           {19, 0x7fff0u},
+                                           {13, 0x1ffcu},
+                                           {14, 0x3ffcu},
+                                           {6, 0x22u},
+                                           {15, 0x7ffdu},
+                                           {5, 0x3u},
+                                           {6, 0x23u},
+                                           {5, 0x4u},
+                                           {6, 0x24u},
+                                           {5, 0x5u},
+                                           {6, 0x25u},
+                                           {6, 0x26u},
+                                           {6, 0x27u},
+                                           {5, 0x6u},
+                                           {7, 0x74u},
+                                           {7, 0x75u},
+                                           {6, 0x28u},
+                                           {6, 0x29u},
+                                           {6, 0x2au},
+                                           {5, 0x7u},
+                                           {6, 0x2bu},
+                                           {7, 0x76u},
+                                           {6, 0x2cu},
+                                           {5, 0x8u},
+                                           {5, 0x9u},
+                                           {6, 0x2du},
+                                           {7, 0x77u},
+                                           {7, 0x78u},
+                                           {7, 0x79u},
+                                           {7, 0x7au},
+                                           {7, 0x7bu},
+                                           {15, 0x7ffeu},
+                                           {11, 0x7fcu},
+                                           {14, 0x3ffdu},
+                                           {13, 0x1ffdu},
+                                           {28, 0xffffffcu},
+                                           {20, 0xfffe6u},
+                                           {22, 0x3fffd2u},
+                                           {20, 0xfffe7u},
+                                           {20, 0xfffe8u},
+                                           {22, 0x3fffd3u},
+                                           {22, 0x3fffd4u},
+                                           {22, 0x3fffd5u},
+                                           {23, 0x7fffd9u},
+                                           {22, 0x3fffd6u},
+                                           {23, 0x7fffdau},
+                                           {23, 0x7fffdbu},
+                                           {23, 0x7fffdcu},
+                                           {23, 0x7fffddu},
+                                           {23, 0x7fffdeu},
+                                           {24, 0xffffebu},
+                                           {23, 0x7fffdfu},
+                                           {24, 0xffffecu},
+                                           {24, 0xffffedu},
+                                           {22, 0x3fffd7u},
+                                           {23, 0x7fffe0u},
+                                           {24, 0xffffeeu},
+                                           {23, 0x7fffe1u},
+                                           {23, 0x7fffe2u},
+                                           {23, 0x7fffe3u},
+                                           {23, 0x7fffe4u},
+                                           {21, 0x1fffdcu},
+                                           {22, 0x3fffd8u},
+                                           {23, 0x7fffe5u},
+                                           {22, 0x3fffd9u},
+                                           {23, 0x7fffe6u},
+                                           {23, 0x7fffe7u},
+                                           {24, 0xffffefu},
+                                           {22, 0x3fffdau},
+                                           {21, 0x1fffddu},
+                                           {20, 0xfffe9u},
+                                           {22, 0x3fffdbu},
+                                           {22, 0x3fffdcu},
+                                           {23, 0x7fffe8u},
+                                           {23, 0x7fffe9u},
+                                           {21, 0x1fffdeu},
+                                           {23, 0x7fffeau},
+                                           {22, 0x3fffddu},
+                                           {22, 0x3fffdeu},
+                                           {24, 0xfffff0u},
+                                           {21, 0x1fffdfu},
+                                           {22, 0x3fffdfu},
+                                           {23, 0x7fffebu},
+                                           {23, 0x7fffecu},
+                                           {21, 0x1fffe0u},
+                                           {21, 0x1fffe1u},
+                                           {22, 0x3fffe0u},
+                                           {21, 0x1fffe2u},
+                                           {23, 0x7fffedu},
+                                           {22, 0x3fffe1u},
+                                           {23, 0x7fffeeu},
+                                           {23, 0x7fffefu},
+                                           {20, 0xfffeau},
+                                           {22, 0x3fffe2u},
+                                           {22, 0x3fffe3u},
+                                           {22, 0x3fffe4u},
+                                           {23, 0x7ffff0u},
+                                           {22, 0x3fffe5u},
+                                           {22, 0x3fffe6u},
+                                           {23, 0x7ffff1u},
+                                           {26, 0x3ffffe0u},
+                                           {26, 0x3ffffe1u},
+                                           {20, 0xfffebu},
+                                           {19, 0x7fff1u},
+                                           {22, 0x3fffe7u},
+                                           {23, 0x7ffff2u},
+                                           {22, 0x3fffe8u},
+                                           {25, 0x1ffffecu},
+                                           {26, 0x3ffffe2u},
+                                           {26, 0x3ffffe3u},
+                                           {26, 0x3ffffe4u},
+                                           {27, 0x7ffffdeu},
+                                           {27, 0x7ffffdfu},
+                                           {26, 0x3ffffe5u},
+                                           {24, 0xfffff1u},
+                                           {25, 0x1ffffedu},
+                                           {19, 0x7fff2u},
+                                           {21, 0x1fffe3u},
+                                           {26, 0x3ffffe6u},
+                                           {27, 0x7ffffe0u},
+                                           {27, 0x7ffffe1u},
+                                           {26, 0x3ffffe7u},
+                                           {27, 0x7ffffe2u},
+                                           {24, 0xfffff2u},
+                                           {21, 0x1fffe4u},
+                                           {21, 0x1fffe5u},
+                                           {26, 0x3ffffe8u},
+                                           {26, 0x3ffffe9u},
+                                           {28, 0xffffffdu},
+                                           {27, 0x7ffffe3u},
+                                           {27, 0x7ffffe4u},
+                                           {27, 0x7ffffe5u},
+                                           {20, 0xfffecu},
+                                           {24, 0xfffff3u},
+                                           {20, 0xfffedu},
+                                           {21, 0x1fffe6u},
+                                           {22, 0x3fffe9u},
+                                           {21, 0x1fffe7u},
+                                           {21, 0x1fffe8u},
+                                           {23, 0x7ffff3u},
+                                           {22, 0x3fffeau},
+                                           {22, 0x3fffebu},
+                                           {25, 0x1ffffeeu},
+                                           {25, 0x1ffffefu},
+                                           {24, 0xfffff4u},
+                                           {24, 0xfffff5u},
+                                           {26, 0x3ffffeau},
+                                           {23, 0x7ffff4u},
+                                           {26, 0x3ffffebu},
+                                           {27, 0x7ffffe6u},
+                                           {26, 0x3ffffecu},
+                                           {26, 0x3ffffedu},
+                                           {27, 0x7ffffe7u},
+                                           {27, 0x7ffffe8u},
+                                           {27, 0x7ffffe9u},
+                                           {27, 0x7ffffeau},
+                                           {27, 0x7ffffebu},
+                                           {28, 0xffffffeu},
+                                           {27, 0x7ffffecu},
+                                           {27, 0x7ffffedu},
+                                           {27, 0x7ffffeeu},
+                                           {27, 0x7ffffefu},
+                                           {27, 0x7fffff0u},
+                                           {26, 0x3ffffeeu},
+                                           {30, 0x3fffffffu}};
 
 const nghttp2_huff_decode huff_decode_table[][16] = {
     /* 0 */

lib/nghttp2_helper.c

@@ -29,115 +29,189 @@
 
 #include "nghttp2_net.h"
 
-void nghttp2_put_uint16be(uint8_t *buf, uint16_t n)
-{
+void nghttp2_put_uint16be(uint8_t *buf, uint16_t n) {
   uint16_t x = htons(n);
   memcpy(buf, &x, sizeof(uint16_t));
 }
 
-void nghttp2_put_uint32be(uint8_t *buf, uint32_t n)
-{
+void nghttp2_put_uint32be(uint8_t *buf, uint32_t n) {
   uint32_t x = htonl(n);
   memcpy(buf, &x, sizeof(uint32_t));
 }
 
-uint16_t nghttp2_get_uint16(const uint8_t *data)
-{
+uint16_t nghttp2_get_uint16(const uint8_t *data) {
   uint16_t n;
   memcpy(&n, data, sizeof(uint16_t));
   return ntohs(n);
 }
 
-uint32_t nghttp2_get_uint32(const uint8_t *data)
-{
+uint32_t nghttp2_get_uint32(const uint8_t *data) {
   uint32_t n;
   memcpy(&n, data, sizeof(uint32_t));
   return ntohl(n);
 }
 
-int nghttp2_reserve_buffer(uint8_t **buf_ptr, size_t *buflen_ptr,
-                           size_t min_length)
-{
-  if(min_length > *buflen_ptr) {
-    uint8_t *temp;
-    min_length = (min_length+4095)/4096*4096;
-    temp = realloc(*buf_ptr, min_length);
-    if(temp == NULL) {
-      return NGHTTP2_ERR_NOMEM;
-    } else {
-      *buf_ptr = temp;
-      *buflen_ptr = min_length;
-    }
-  }
-  return 0;
-}
+void *nghttp2_memdup(const void *src, size_t n, nghttp2_mem *mem) {
+  void *dest;
 
-void* nghttp2_memdup(const void* src, size_t n)
-{
-  void* dest;
-
-  if(n == 0) {
+  if (n == 0) {
     return NULL;
   }
 
-  dest = malloc(n);
-  if(dest == NULL) {
+  dest = nghttp2_mem_malloc(mem, n);
+  if (dest == NULL) {
     return NULL;
   }
   memcpy(dest, src, n);
   return dest;
 }
 
-void nghttp2_downcase(uint8_t *s, size_t len)
-{
+/* Generated by gendowncasetbl.py */
+static const int DOWNCASE_TBL[] = {
+    0 /* NUL  */,   1 /* SOH  */,   2 /* STX  */,   3 /* ETX  */,
+    4 /* EOT  */,   5 /* ENQ  */,   6 /* ACK  */,   7 /* BEL  */,
+    8 /* BS   */,   9 /* HT   */,   10 /* LF   */,  11 /* VT   */,
+    12 /* FF   */,  13 /* CR   */,  14 /* SO   */,  15 /* SI   */,
+    16 /* DLE  */,  17 /* DC1  */,  18 /* DC2  */,  19 /* DC3  */,
+    20 /* DC4  */,  21 /* NAK  */,  22 /* SYN  */,  23 /* ETB  */,
+    24 /* CAN  */,  25 /* EM   */,  26 /* SUB  */,  27 /* ESC  */,
+    28 /* FS   */,  29 /* GS   */,  30 /* RS   */,  31 /* US   */,
+    32 /* SPC  */,  33 /* !    */,  34 /* "    */,  35 /* #    */,
+    36 /* $    */,  37 /* %    */,  38 /* &    */,  39 /* '    */,
+    40 /* (    */,  41 /* )    */,  42 /* *    */,  43 /* +    */,
+    44 /* ,    */,  45 /* -    */,  46 /* .    */,  47 /* /    */,
+    48 /* 0    */,  49 /* 1    */,  50 /* 2    */,  51 /* 3    */,
+    52 /* 4    */,  53 /* 5    */,  54 /* 6    */,  55 /* 7    */,
+    56 /* 8    */,  57 /* 9    */,  58 /* :    */,  59 /* ;    */,
+    60 /* <    */,  61 /* =    */,  62 /* >    */,  63 /* ?    */,
+    64 /* @    */,  97 /* A    */,  98 /* B    */,  99 /* C    */,
+    100 /* D    */, 101 /* E    */, 102 /* F    */, 103 /* G    */,
+    104 /* H    */, 105 /* I    */, 106 /* J    */, 107 /* K    */,
+    108 /* L    */, 109 /* M    */, 110 /* N    */, 111 /* O    */,
+    112 /* P    */, 113 /* Q    */, 114 /* R    */, 115 /* S    */,
+    116 /* T    */, 117 /* U    */, 118 /* V    */, 119 /* W    */,
+    120 /* X    */, 121 /* Y    */, 122 /* Z    */, 91 /* [    */,
+    92 /* \    */,  93 /* ]    */,  94 /* ^    */,  95 /* _    */,
+    96 /* `    */,  97 /* a    */,  98 /* b    */,  99 /* c    */,
+    100 /* d    */, 101 /* e    */, 102 /* f    */, 103 /* g    */,
+    104 /* h    */, 105 /* i    */, 106 /* j    */, 107 /* k    */,
+    108 /* l    */, 109 /* m    */, 110 /* n    */, 111 /* o    */,
+    112 /* p    */, 113 /* q    */, 114 /* r    */, 115 /* s    */,
+    116 /* t    */, 117 /* u    */, 118 /* v    */, 119 /* w    */,
+    120 /* x    */, 121 /* y    */, 122 /* z    */, 123 /* {    */,
+    124 /* |    */, 125 /* }    */, 126 /* ~    */, 127 /* DEL  */,
+    128 /* 0x80 */, 129 /* 0x81 */, 130 /* 0x82 */, 131 /* 0x83 */,
+    132 /* 0x84 */, 133 /* 0x85 */, 134 /* 0x86 */, 135 /* 0x87 */,
+    136 /* 0x88 */, 137 /* 0x89 */, 138 /* 0x8a */, 139 /* 0x8b */,
+    140 /* 0x8c */, 141 /* 0x8d */, 142 /* 0x8e */, 143 /* 0x8f */,
+    144 /* 0x90 */, 145 /* 0x91 */, 146 /* 0x92 */, 147 /* 0x93 */,
+    148 /* 0x94 */, 149 /* 0x95 */, 150 /* 0x96 */, 151 /* 0x97 */,
+    152 /* 0x98 */, 153 /* 0x99 */, 154 /* 0x9a */, 155 /* 0x9b */,
+    156 /* 0x9c */, 157 /* 0x9d */, 158 /* 0x9e */, 159 /* 0x9f */,
+    160 /* 0xa0 */, 161 /* 0xa1 */, 162 /* 0xa2 */, 163 /* 0xa3 */,
+    164 /* 0xa4 */, 165 /* 0xa5 */, 166 /* 0xa6 */, 167 /* 0xa7 */,
+    168 /* 0xa8 */, 169 /* 0xa9 */, 170 /* 0xaa */, 171 /* 0xab */,
+    172 /* 0xac */, 173 /* 0xad */, 174 /* 0xae */, 175 /* 0xaf */,
+    176 /* 0xb0 */, 177 /* 0xb1 */, 178 /* 0xb2 */, 179 /* 0xb3 */,
+    180 /* 0xb4 */, 181 /* 0xb5 */, 182 /* 0xb6 */, 183 /* 0xb7 */,
+    184 /* 0xb8 */, 185 /* 0xb9 */, 186 /* 0xba */, 187 /* 0xbb */,
+    188 /* 0xbc */, 189 /* 0xbd */, 190 /* 0xbe */, 191 /* 0xbf */,
+    192 /* 0xc0 */, 193 /* 0xc1 */, 194 /* 0xc2 */, 195 /* 0xc3 */,
+    196 /* 0xc4 */, 197 /* 0xc5 */, 198 /* 0xc6 */, 199 /* 0xc7 */,
+    200 /* 0xc8 */, 201 /* 0xc9 */, 202 /* 0xca */, 203 /* 0xcb */,
+    204 /* 0xcc */, 205 /* 0xcd */, 206 /* 0xce */, 207 /* 0xcf */,
+    208 /* 0xd0 */, 209 /* 0xd1 */, 210 /* 0xd2 */, 211 /* 0xd3 */,
+    212 /* 0xd4 */, 213 /* 0xd5 */, 214 /* 0xd6 */, 215 /* 0xd7 */,
+    216 /* 0xd8 */, 217 /* 0xd9 */, 218 /* 0xda */, 219 /* 0xdb */,
+    220 /* 0xdc */, 221 /* 0xdd */, 222 /* 0xde */, 223 /* 0xdf */,
+    224 /* 0xe0 */, 225 /* 0xe1 */, 226 /* 0xe2 */, 227 /* 0xe3 */,
+    228 /* 0xe4 */, 229 /* 0xe5 */, 230 /* 0xe6 */, 231 /* 0xe7 */,
+    232 /* 0xe8 */, 233 /* 0xe9 */, 234 /* 0xea */, 235 /* 0xeb */,
+    236 /* 0xec */, 237 /* 0xed */, 238 /* 0xee */, 239 /* 0xef */,
+    240 /* 0xf0 */, 241 /* 0xf1 */, 242 /* 0xf2 */, 243 /* 0xf3 */,
+    244 /* 0xf4 */, 245 /* 0xf5 */, 246 /* 0xf6 */, 247 /* 0xf7 */,
+    248 /* 0xf8 */, 249 /* 0xf9 */, 250 /* 0xfa */, 251 /* 0xfb */,
+    252 /* 0xfc */, 253 /* 0xfd */, 254 /* 0xfe */, 255 /* 0xff */,
+};
+
+void nghttp2_downcase(uint8_t *s, size_t len) {
   size_t i;
-  for(i = 0; i < len; ++i) {
-    if('A' <= s[i] && s[i] <= 'Z') {
-      s[i] += 'a'-'A';
-    }
+  for (i = 0; i < len; ++i) {
+    s[i] = DOWNCASE_TBL[s[i]];
   }
 }
 
+/*
+ *   local_window_size
+ *   ^  *
+ *   |  *    recv_window_size
+ *   |  *  * ^
+ *   |  *  * |
+ *  0+++++++++
+ *   |  *  *   \
+ *   |  *  *   | This rage is hidden in flow control.  But it must be
+ *   v  *  *   / kept in order to restore it when window size is enlarged.
+ *   recv_reduction
+ *   (+ for negative direction)
+ *
+ *   recv_window_size could be negative if we decrease
+ *   local_window_size more than recv_window_size:
+ *
+ *   local_window_size
+ *   ^  *
+ *   |  *
+ *   |  *
+ *   0++++++++
+ *   |  *    ^ recv_window_size (negative)
+ *   |  *    |
+ *   v  *  *
+ *   recv_reduction
+ */
 int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
                                      int32_t *recv_window_size_ptr,
                                      int32_t *recv_reduction_ptr,
-                                     int32_t *delta_ptr)
-{
-  if(*delta_ptr > 0) {
+                                     int32_t *delta_ptr) {
+  if (*delta_ptr > 0) {
+    int32_t recv_reduction_delta;
+    int32_t delta;
     int32_t new_recv_window_size =
         nghttp2_max(0, *recv_window_size_ptr) - *delta_ptr;
-    if(new_recv_window_size < 0) {
+
+    if (new_recv_window_size >= 0) {
+      *recv_window_size_ptr = new_recv_window_size;
+      return 0;
+    }
+
+    delta = -new_recv_window_size;
+
     /* The delta size is strictly more than received bytes. Increase
-         local_window_size by that difference. */
-      int32_t recv_reduction_diff;
-      if(*local_window_size_ptr >
-         NGHTTP2_MAX_WINDOW_SIZE + new_recv_window_size) {
+       local_window_size by that difference |delta|. */
+    if (*local_window_size_ptr > NGHTTP2_MAX_WINDOW_SIZE - delta) {
       return NGHTTP2_ERR_FLOW_CONTROL;
     }
-      *local_window_size_ptr -= new_recv_window_size;
+    *local_window_size_ptr += delta;
     /* If there is recv_reduction due to earlier window_size
        reduction, we have to adjust it too. */
-      recv_reduction_diff = nghttp2_min(*recv_reduction_ptr,
-                                        -new_recv_window_size);
-      *recv_reduction_ptr -= recv_reduction_diff;
-      if(*recv_window_size_ptr < 0) {
-        *recv_window_size_ptr += recv_reduction_diff;
+    recv_reduction_delta = nghttp2_min(*recv_reduction_ptr, delta);
+    *recv_reduction_ptr -= recv_reduction_delta;
+    if (*recv_window_size_ptr < 0) {
+      *recv_window_size_ptr += recv_reduction_delta;
     } else {
-        /* If *recv_window_size_ptr > 0, then those bytes are
-           considered to be backed to the remote peer (by
-           WINDOW_UPDATE with the adjusted *delta_ptr), so it is
-           effectively 0 now. */
-        *recv_window_size_ptr = recv_reduction_diff;
+      /* If *recv_window_size_ptr > 0, then those bytes are going to
+         be returned to the remote peer (by WINDOW_UPDATE with the
+         adjusted *delta_ptr), so it is effectively 0 now.  We set to
+         *recv_reduction_delta, because caller does not take into
+         account it in *delta_ptr. */
+      *recv_window_size_ptr = recv_reduction_delta;
     }
-      /* recv_reduction_diff must be paied from *delta_ptr, since it
+    /* recv_reduction_delta must be paied from *delta_ptr, since it
        was added in window size reduction (see below). */
-      *delta_ptr -= recv_reduction_diff;
-    } else {
-      *recv_window_size_ptr = new_recv_window_size;
-    }
+    *delta_ptr -= recv_reduction_delta;
+
     return 0;
-  } else {
-    if(*local_window_size_ptr + *delta_ptr < 0 ||
+  }
+
+  if (*local_window_size_ptr + *delta_ptr < 0 ||
       *recv_window_size_ptr < INT32_MIN - *delta_ptr ||
       *recv_reduction_ptr > INT32_MAX + *delta_ptr) {
     return NGHTTP2_ERR_FLOW_CONTROL;
@@ -150,19 +224,17 @@ int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
   *recv_window_size_ptr += *delta_ptr;
   *recv_reduction_ptr -= *delta_ptr;
   *delta_ptr = 0;
-  }
+
   return 0;
 }
 
 int nghttp2_should_send_window_update(int32_t local_window_size,
-                                      int32_t recv_window_size)
-{
+                                      int32_t recv_window_size) {
   return recv_window_size >= local_window_size / 2;
 }
 
-const char* nghttp2_strerror(int error_code)
-{
-  switch(error_code) {
+const char *nghttp2_strerror(int error_code) {
+  switch (error_code) {
   case 0:
     return "Success";
   case NGHTTP2_ERR_INVALID_ARGUMENT:
@@ -195,6 +267,8 @@ const char* nghttp2_strerror(int error_code)
     return "Invalid stream state";
   case NGHTTP2_ERR_DEFERRED_DATA_EXIST:
     return "Another DATA frame has already been deferred";
+  case NGHTTP2_ERR_SESSION_CLOSING:
+    return "The current session is closing";
   case NGHTTP2_ERR_START_STREAM_NOT_ALLOWED:
     return "request HEADERS is not allowed";
   case NGHTTP2_ERR_GOAWAY_ALREADY_SENT:
@@ -225,184 +299,156 @@ const char* nghttp2_strerror(int error_code)
     return "Out of memory";
   case NGHTTP2_ERR_CALLBACK_FAILURE:
     return "The user callback function failed";
+  case NGHTTP2_ERR_BAD_PREFACE:
+    return "Received bad connection preface";
   default:
     return "Unknown error code";
   }
 }
 
-void nghttp2_free(void *ptr)
-{
-  free(ptr);
-}
-
+/* Generated by gennmchartbl.py */
 static int VALID_HD_NAME_CHARS[] = {
-  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
-  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
-  0 /* BS   */, 0 /* HT   */, 0 /* LF   */, 0 /* VT   */,
-  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
-  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
-  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
-  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
-  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
-  0 /* SPC  */, 1 /* !    */, 0 /* "    */, 1 /* #    */,
-  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
-  0 /* (    */, 0 /* )    */, 1 /* *    */, 1 /* +    */,
-  0 /* ,    */, 1 /* -    */, 1 /* .    */, 0 /* /    */,
-  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
-  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
-  1 /* 8    */, 1 /* 9    */, 0 /* :    */, 0 /* ;    */,
-  0 /* <    */, 0 /* =    */, 0 /* >    */, 0 /* ?    */,
-  0 /* @    */, 0 /* A    */, 0 /* B    */, 0 /* C    */,
-  0 /* D    */, 0 /* E    */, 0 /* F    */, 0 /* G    */,
-  0 /* H    */, 0 /* I    */, 0 /* J    */, 0 /* K    */,
-  0 /* L    */, 0 /* M    */, 0 /* N    */, 0 /* O    */,
-  0 /* P    */, 0 /* Q    */, 0 /* R    */, 0 /* S    */,
-  0 /* T    */, 0 /* U    */, 0 /* V    */, 0 /* W    */,
-  0 /* X    */, 0 /* Y    */, 0 /* Z    */, 0 /* [    */,
-  0 /* \    */, 0 /* ]    */, 1 /* ^    */, 1 /* _    */,
-  1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
-  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
-  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
-  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
-  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
-  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
-  1 /* x    */, 1 /* y    */, 1 /* z    */, 0 /* {    */,
-  1 /* |    */, 0 /* }    */, 1 /* ~    */, 0 /* DEL  */,
-  0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
-  0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
-  0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
-  0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
-  0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
-  0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
-  0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
-  0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
-  0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
-  0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
-  0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
-  0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
-  0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
-  0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
-  0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
-  0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
-  0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
-  0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
-  0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
-  0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
-  0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
-  0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
-  0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
-  0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
-  0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
-  0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
-  0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
-  0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
-  0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
-  0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
-  0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
-  0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
+    0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */, 0 /* EOT  */,
+    0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */, 0 /* BS   */, 0 /* HT   */,
+    0 /* LF   */, 0 /* VT   */, 0 /* FF   */, 0 /* CR   */, 0 /* SO   */,
+    0 /* SI   */, 0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
+    0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */, 0 /* CAN  */,
+    0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */, 0 /* FS   */, 0 /* GS   */,
+    0 /* RS   */, 0 /* US   */, 0 /* SPC  */, 1 /* !    */, 0 /* "    */,
+    1 /* #    */, 1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
+    0 /* (    */, 0 /* )    */, 1 /* *    */, 1 /* +    */, 0 /* ,    */,
+    1 /* -    */, 1 /* .    */, 0 /* /    */, 1 /* 0    */, 1 /* 1    */,
+    1 /* 2    */, 1 /* 3    */, 1 /* 4    */, 1 /* 5    */, 1 /* 6    */,
+    1 /* 7    */, 1 /* 8    */, 1 /* 9    */, 0 /* :    */, 0 /* ;    */,
+    0 /* <    */, 0 /* =    */, 0 /* >    */, 0 /* ?    */, 0 /* @    */,
+    0 /* A    */, 0 /* B    */, 0 /* C    */, 0 /* D    */, 0 /* E    */,
+    0 /* F    */, 0 /* G    */, 0 /* H    */, 0 /* I    */, 0 /* J    */,
+    0 /* K    */, 0 /* L    */, 0 /* M    */, 0 /* N    */, 0 /* O    */,
+    0 /* P    */, 0 /* Q    */, 0 /* R    */, 0 /* S    */, 0 /* T    */,
+    0 /* U    */, 0 /* V    */, 0 /* W    */, 0 /* X    */, 0 /* Y    */,
+    0 /* Z    */, 0 /* [    */, 0 /* \    */, 0 /* ]    */, 1 /* ^    */,
+    1 /* _    */, 1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
+    1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */, 1 /* h    */,
+    1 /* i    */, 1 /* j    */, 1 /* k    */, 1 /* l    */, 1 /* m    */,
+    1 /* n    */, 1 /* o    */, 1 /* p    */, 1 /* q    */, 1 /* r    */,
+    1 /* s    */, 1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
+    1 /* x    */, 1 /* y    */, 1 /* z    */, 0 /* {    */, 1 /* |    */,
+    0 /* }    */, 1 /* ~    */, 0 /* DEL  */, 0 /* 0x80 */, 0 /* 0x81 */,
+    0 /* 0x82 */, 0 /* 0x83 */, 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */,
+    0 /* 0x87 */, 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+    0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */, 0 /* 0x90 */,
+    0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */, 0 /* 0x94 */, 0 /* 0x95 */,
+    0 /* 0x96 */, 0 /* 0x97 */, 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */,
+    0 /* 0x9b */, 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+    0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */, 0 /* 0xa4 */,
+    0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */, 0 /* 0xa8 */, 0 /* 0xa9 */,
+    0 /* 0xaa */, 0 /* 0xab */, 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */,
+    0 /* 0xaf */, 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+    0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */, 0 /* 0xb8 */,
+    0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */, 0 /* 0xbc */, 0 /* 0xbd */,
+    0 /* 0xbe */, 0 /* 0xbf */, 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */,
+    0 /* 0xc3 */, 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+    0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */, 0 /* 0xcc */,
+    0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */, 0 /* 0xd0 */, 0 /* 0xd1 */,
+    0 /* 0xd2 */, 0 /* 0xd3 */, 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */,
+    0 /* 0xd7 */, 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+    0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */, 0 /* 0xe0 */,
+    0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */, 0 /* 0xe4 */, 0 /* 0xe5 */,
+    0 /* 0xe6 */, 0 /* 0xe7 */, 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */,
+    0 /* 0xeb */, 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+    0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */, 0 /* 0xf4 */,
+    0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */, 0 /* 0xf8 */, 0 /* 0xf9 */,
+    0 /* 0xfa */, 0 /* 0xfb */, 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */,
+    0 /* 0xff */
 };
 
-int nghttp2_check_header_name(const uint8_t *name, size_t len)
-{
+int nghttp2_check_header_name(const uint8_t *name, size_t len) {
   const uint8_t *last;
-  if(len == 0) {
+  if (len == 0) {
     return 0;
   }
-  if(*name == ':') {
-    if(len == 1) {
+  if (*name == ':') {
+    if (len == 1) {
       return 0;
     }
     ++name;
     --len;
   }
-  for(last = name + len; name != last; ++name) {
-    if(!VALID_HD_NAME_CHARS[*name]) {
+  for (last = name + len; name != last; ++name) {
+    if (!VALID_HD_NAME_CHARS[*name]) {
       return 0;
     }
   }
   return 1;
 }
 
+/* Generated by genvchartbl.py */
 static int VALID_HD_VALUE_CHARS[] = {
-  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
-  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
-  0 /* BS   */, 1 /* HT   */, 0 /* LF   */, 0 /* VT   */,
-  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
-  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
-  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
-  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
-  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
-  1 /* SPC  */, 1 /* !    */, 1 /* "    */, 1 /* #    */,
-  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
-  1 /* (    */, 1 /* )    */, 1 /* *    */, 1 /* +    */,
-  1 /* ,    */, 1 /* -    */, 1 /* .    */, 1 /* /    */,
-  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
-  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
-  1 /* 8    */, 1 /* 9    */, 1 /* :    */, 1 /* ;    */,
-  1 /* <    */, 1 /* =    */, 1 /* >    */, 1 /* ?    */,
-  1 /* @    */, 1 /* A    */, 1 /* B    */, 1 /* C    */,
-  1 /* D    */, 1 /* E    */, 1 /* F    */, 1 /* G    */,
-  1 /* H    */, 1 /* I    */, 1 /* J    */, 1 /* K    */,
-  1 /* L    */, 1 /* M    */, 1 /* N    */, 1 /* O    */,
-  1 /* P    */, 1 /* Q    */, 1 /* R    */, 1 /* S    */,
-  1 /* T    */, 1 /* U    */, 1 /* V    */, 1 /* W    */,
-  1 /* X    */, 1 /* Y    */, 1 /* Z    */, 1 /* [    */,
-  1 /* \    */, 1 /* ]    */, 1 /* ^    */, 1 /* _    */,
-  1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
-  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
-  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
-  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
-  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
-  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
-  1 /* x    */, 1 /* y    */, 1 /* z    */, 1 /* {    */,
-  1 /* |    */, 1 /* }    */, 1 /* ~    */, 0 /* DEL  */,
-  1 /* 0x80 */, 1 /* 0x81 */, 1 /* 0x82 */, 1 /* 0x83 */,
-  1 /* 0x84 */, 1 /* 0x85 */, 1 /* 0x86 */, 1 /* 0x87 */,
-  1 /* 0x88 */, 1 /* 0x89 */, 1 /* 0x8a */, 1 /* 0x8b */,
-  1 /* 0x8c */, 1 /* 0x8d */, 1 /* 0x8e */, 1 /* 0x8f */,
-  1 /* 0x90 */, 1 /* 0x91 */, 1 /* 0x92 */, 1 /* 0x93 */,
-  1 /* 0x94 */, 1 /* 0x95 */, 1 /* 0x96 */, 1 /* 0x97 */,
-  1 /* 0x98 */, 1 /* 0x99 */, 1 /* 0x9a */, 1 /* 0x9b */,
-  1 /* 0x9c */, 1 /* 0x9d */, 1 /* 0x9e */, 1 /* 0x9f */,
-  1 /* 0xa0 */, 1 /* 0xa1 */, 1 /* 0xa2 */, 1 /* 0xa3 */,
-  1 /* 0xa4 */, 1 /* 0xa5 */, 1 /* 0xa6 */, 1 /* 0xa7 */,
-  1 /* 0xa8 */, 1 /* 0xa9 */, 1 /* 0xaa */, 1 /* 0xab */,
-  1 /* 0xac */, 1 /* 0xad */, 1 /* 0xae */, 1 /* 0xaf */,
-  1 /* 0xb0 */, 1 /* 0xb1 */, 1 /* 0xb2 */, 1 /* 0xb3 */,
-  1 /* 0xb4 */, 1 /* 0xb5 */, 1 /* 0xb6 */, 1 /* 0xb7 */,
-  1 /* 0xb8 */, 1 /* 0xb9 */, 1 /* 0xba */, 1 /* 0xbb */,
-  1 /* 0xbc */, 1 /* 0xbd */, 1 /* 0xbe */, 1 /* 0xbf */,
-  1 /* 0xc0 */, 1 /* 0xc1 */, 1 /* 0xc2 */, 1 /* 0xc3 */,
-  1 /* 0xc4 */, 1 /* 0xc5 */, 1 /* 0xc6 */, 1 /* 0xc7 */,
-  1 /* 0xc8 */, 1 /* 0xc9 */, 1 /* 0xca */, 1 /* 0xcb */,
-  1 /* 0xcc */, 1 /* 0xcd */, 1 /* 0xce */, 1 /* 0xcf */,
-  1 /* 0xd0 */, 1 /* 0xd1 */, 1 /* 0xd2 */, 1 /* 0xd3 */,
-  1 /* 0xd4 */, 1 /* 0xd5 */, 1 /* 0xd6 */, 1 /* 0xd7 */,
-  1 /* 0xd8 */, 1 /* 0xd9 */, 1 /* 0xda */, 1 /* 0xdb */,
-  1 /* 0xdc */, 1 /* 0xdd */, 1 /* 0xde */, 1 /* 0xdf */,
-  1 /* 0xe0 */, 1 /* 0xe1 */, 1 /* 0xe2 */, 1 /* 0xe3 */,
-  1 /* 0xe4 */, 1 /* 0xe5 */, 1 /* 0xe6 */, 1 /* 0xe7 */,
-  1 /* 0xe8 */, 1 /* 0xe9 */, 1 /* 0xea */, 1 /* 0xeb */,
-  1 /* 0xec */, 1 /* 0xed */, 1 /* 0xee */, 1 /* 0xef */,
-  1 /* 0xf0 */, 1 /* 0xf1 */, 1 /* 0xf2 */, 1 /* 0xf3 */,
-  1 /* 0xf4 */, 1 /* 0xf5 */, 1 /* 0xf6 */, 1 /* 0xf7 */,
-  1 /* 0xf8 */, 1 /* 0xf9 */, 1 /* 0xfa */, 1 /* 0xfb */,
-  1 /* 0xfc */, 1 /* 0xfd */, 1 /* 0xfe */, 1 /* 0xff */
+    0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */, 0 /* EOT  */,
+    0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */, 0 /* BS   */, 1 /* HT   */,
+    0 /* LF   */, 0 /* VT   */, 0 /* FF   */, 0 /* CR   */, 0 /* SO   */,
+    0 /* SI   */, 0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
+    0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */, 0 /* CAN  */,
+    0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */, 0 /* FS   */, 0 /* GS   */,
+    0 /* RS   */, 0 /* US   */, 1 /* SPC  */, 1 /* !    */, 1 /* "    */,
+    1 /* #    */, 1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
+    1 /* (    */, 1 /* )    */, 1 /* *    */, 1 /* +    */, 1 /* ,    */,
+    1 /* -    */, 1 /* .    */, 1 /* /    */, 1 /* 0    */, 1 /* 1    */,
+    1 /* 2    */, 1 /* 3    */, 1 /* 4    */, 1 /* 5    */, 1 /* 6    */,
+    1 /* 7    */, 1 /* 8    */, 1 /* 9    */, 1 /* :    */, 1 /* ;    */,
+    1 /* <    */, 1 /* =    */, 1 /* >    */, 1 /* ?    */, 1 /* @    */,
+    1 /* A    */, 1 /* B    */, 1 /* C    */, 1 /* D    */, 1 /* E    */,
+    1 /* F    */, 1 /* G    */, 1 /* H    */, 1 /* I    */, 1 /* J    */,
+    1 /* K    */, 1 /* L    */, 1 /* M    */, 1 /* N    */, 1 /* O    */,
+    1 /* P    */, 1 /* Q    */, 1 /* R    */, 1 /* S    */, 1 /* T    */,
+    1 /* U    */, 1 /* V    */, 1 /* W    */, 1 /* X    */, 1 /* Y    */,
+    1 /* Z    */, 1 /* [    */, 1 /* \    */, 1 /* ]    */, 1 /* ^    */,
+    1 /* _    */, 1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
+    1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */, 1 /* h    */,
+    1 /* i    */, 1 /* j    */, 1 /* k    */, 1 /* l    */, 1 /* m    */,
+    1 /* n    */, 1 /* o    */, 1 /* p    */, 1 /* q    */, 1 /* r    */,
+    1 /* s    */, 1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
+    1 /* x    */, 1 /* y    */, 1 /* z    */, 1 /* {    */, 1 /* |    */,
+    1 /* }    */, 1 /* ~    */, 0 /* DEL  */, 1 /* 0x80 */, 1 /* 0x81 */,
+    1 /* 0x82 */, 1 /* 0x83 */, 1 /* 0x84 */, 1 /* 0x85 */, 1 /* 0x86 */,
+    1 /* 0x87 */, 1 /* 0x88 */, 1 /* 0x89 */, 1 /* 0x8a */, 1 /* 0x8b */,
+    1 /* 0x8c */, 1 /* 0x8d */, 1 /* 0x8e */, 1 /* 0x8f */, 1 /* 0x90 */,
+    1 /* 0x91 */, 1 /* 0x92 */, 1 /* 0x93 */, 1 /* 0x94 */, 1 /* 0x95 */,
+    1 /* 0x96 */, 1 /* 0x97 */, 1 /* 0x98 */, 1 /* 0x99 */, 1 /* 0x9a */,
+    1 /* 0x9b */, 1 /* 0x9c */, 1 /* 0x9d */, 1 /* 0x9e */, 1 /* 0x9f */,
+    1 /* 0xa0 */, 1 /* 0xa1 */, 1 /* 0xa2 */, 1 /* 0xa3 */, 1 /* 0xa4 */,
+    1 /* 0xa5 */, 1 /* 0xa6 */, 1 /* 0xa7 */, 1 /* 0xa8 */, 1 /* 0xa9 */,
+    1 /* 0xaa */, 1 /* 0xab */, 1 /* 0xac */, 1 /* 0xad */, 1 /* 0xae */,
+    1 /* 0xaf */, 1 /* 0xb0 */, 1 /* 0xb1 */, 1 /* 0xb2 */, 1 /* 0xb3 */,
+    1 /* 0xb4 */, 1 /* 0xb5 */, 1 /* 0xb6 */, 1 /* 0xb7 */, 1 /* 0xb8 */,
+    1 /* 0xb9 */, 1 /* 0xba */, 1 /* 0xbb */, 1 /* 0xbc */, 1 /* 0xbd */,
+    1 /* 0xbe */, 1 /* 0xbf */, 1 /* 0xc0 */, 1 /* 0xc1 */, 1 /* 0xc2 */,
+    1 /* 0xc3 */, 1 /* 0xc4 */, 1 /* 0xc5 */, 1 /* 0xc6 */, 1 /* 0xc7 */,
+    1 /* 0xc8 */, 1 /* 0xc9 */, 1 /* 0xca */, 1 /* 0xcb */, 1 /* 0xcc */,
+    1 /* 0xcd */, 1 /* 0xce */, 1 /* 0xcf */, 1 /* 0xd0 */, 1 /* 0xd1 */,
+    1 /* 0xd2 */, 1 /* 0xd3 */, 1 /* 0xd4 */, 1 /* 0xd5 */, 1 /* 0xd6 */,
+    1 /* 0xd7 */, 1 /* 0xd8 */, 1 /* 0xd9 */, 1 /* 0xda */, 1 /* 0xdb */,
+    1 /* 0xdc */, 1 /* 0xdd */, 1 /* 0xde */, 1 /* 0xdf */, 1 /* 0xe0 */,
+    1 /* 0xe1 */, 1 /* 0xe2 */, 1 /* 0xe3 */, 1 /* 0xe4 */, 1 /* 0xe5 */,
+    1 /* 0xe6 */, 1 /* 0xe7 */, 1 /* 0xe8 */, 1 /* 0xe9 */, 1 /* 0xea */,
+    1 /* 0xeb */, 1 /* 0xec */, 1 /* 0xed */, 1 /* 0xee */, 1 /* 0xef */,
+    1 /* 0xf0 */, 1 /* 0xf1 */, 1 /* 0xf2 */, 1 /* 0xf3 */, 1 /* 0xf4 */,
+    1 /* 0xf5 */, 1 /* 0xf6 */, 1 /* 0xf7 */, 1 /* 0xf8 */, 1 /* 0xf9 */,
+    1 /* 0xfa */, 1 /* 0xfb */, 1 /* 0xfc */, 1 /* 0xfd */, 1 /* 0xfe */,
+    1 /* 0xff */
 };
 
-int nghttp2_check_header_value(const uint8_t *value, size_t len)
-{
+int nghttp2_check_header_value(const uint8_t *value, size_t len) {
   const uint8_t *last;
-  for(last = value + len; value != last; ++value) {
-    if(!VALID_HD_VALUE_CHARS[*value]) {
+  for (last = value + len; value != last; ++value) {
+    if (!VALID_HD_VALUE_CHARS[*value]) {
       return 0;
     }
   }
   return 1;
 }
 
-uint8_t* nghttp2_cpymem(uint8_t *dest, const void *src, size_t len)
-{
+uint8_t *nghttp2_cpymem(uint8_t *dest, const void *src, size_t len) {
   memcpy(dest, src, len);
 
   return dest + len;

lib/nghttp2_helper.h

@@ -26,10 +26,11 @@
 #define NGHTTP2_HELPER_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>
+#include "nghttp2_mem.h"
 
 #define nghttp2_min(A, B) ((A) < (B) ? (A) : (B))
 #define nghttp2_max(A, B) ((A) > (B) ? (A) : (B))
@@ -58,25 +59,6 @@ uint16_t nghttp2_get_uint16(const uint8_t *data);
  */
 uint32_t nghttp2_get_uint32(const uint8_t *data);
 
-/*
- * Ensures that buffer |*buf_ptr| with |*buflen_ptr| length has at
- * least |min_length| bytes. If |min_length| > |*buflen_ptr|,
- * allocates new buffer having at least |min_length| bytes and assigns
- * its pointer to |*buf_ptr| and allocated number of bytes to
- * |*buflen_ptr|. The memory pointed by |*buf_ptr| previously may
- * change. No memory copy is done between old and new buffer.
- * |*buf_ptr| and |*buflen_ptr| are only updated iff this function
- * succeeds.
- *
- * This function returns 0 if it succeeds, or one of the following
- * negative error codes:
- *
- * NGHTTP2_ERR_NOMEM
- *     Out of memory.
- */
-int nghttp2_reserve_buffer(uint8_t **buf_ptr, size_t *buflen_ptr,
-                           size_t min_length);
-
 /*
  * Allocates |n| bytes of memory and copy the memory region pointed by
  * |src| with the length |n| bytes into it. Returns the allocated memory.
@@ -87,7 +69,7 @@ int nghttp2_reserve_buffer(uint8_t **buf_ptr, size_t *buflen_ptr,
  * NGHTTP2_ERR_NOMEM
  *     Out of memory.
  */
-void* nghttp2_memdup(const void* src, size_t n);
+void *nghttp2_memdup(const void *src, size_t n, nghttp2_mem *mem);
 
 void nghttp2_downcase(uint8_t *s, size_t len);
 
@@ -118,19 +100,11 @@ int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
 int nghttp2_should_send_window_update(int32_t local_window_size,
                                       int32_t recv_window_size);
 
-/*
- * Deallocates memory space pointed by |ptr|. This function exists for
- * the application to free the memory space allocated by the library
- * functions. Currently this function is hidden from the public API,
- * but may be exposed as public API.
- */
-void nghttp2_free(void *ptr);
-
 /*
  * Copies the buffer |src| of length |len| to the destination pointed
  * by the |dest|, assuming that the |dest| is at lest |len| bytes long
  * . Returns dest + len.
  */
-uint8_t* nghttp2_cpymem(uint8_t *dest, const void *src, size_t len);
+uint8_t *nghttp2_cpymem(uint8_t *dest, const void *src, size_t len);
 
 #endif /* NGHTTP2_HELPER_H */

lib/nghttp2_int.h

@@ -26,7 +26,7 @@
 #define NGHTTP2_INT_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 /* Macros, types and constants for internal use */
@@ -34,7 +34,9 @@
 #ifdef DEBUGBUILD
 #define DEBUGF(x) x
 #else
-#define DEBUGF(x) do { } while(0)
+#define DEBUGF(x)                                                              \
+  do {                                                                         \
+  } while (0)
 #endif
 
 typedef int (*nghttp2_compar)(const void *lhs, const void *rhs);

lib/nghttp2_map.c

@@ -26,13 +26,14 @@
 
 #include <string.h>
 
-#define INITIAL_TABLE_LENGTH 16
+#define INITIAL_TABLE_LENGTH 256
 
-int nghttp2_map_init(nghttp2_map *map)
-{
+int nghttp2_map_init(nghttp2_map *map, nghttp2_mem *mem) {
+  map->mem = mem;
   map->tablelen = INITIAL_TABLE_LENGTH;
-  map->table = calloc(map->tablelen, sizeof(nghttp2_map_entry*));
-  if(map->table == NULL) {
+  map->table =
+      nghttp2_mem_calloc(mem, map->tablelen, sizeof(nghttp2_map_entry *));
+  if (map->table == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
@@ -41,19 +42,17 @@ int nghttp2_map_init(nghttp2_map *map)
   return 0;
 }
 
-void nghttp2_map_free(nghttp2_map *map)
-{
-  free(map->table);
+void nghttp2_map_free(nghttp2_map *map) {
+  nghttp2_mem_free(map->mem, map->table);
 }
 
 void nghttp2_map_each_free(nghttp2_map *map,
                            int (*func)(nghttp2_map_entry *entry, void *ptr),
-                           void *ptr)
-{
+                           void *ptr) {
   size_t i;
-  for(i = 0; i < map->tablelen; ++i) {
+  for (i = 0; i < map->tablelen; ++i) {
     nghttp2_map_entry *entry;
-    for(entry = map->table[i]; entry;) {
+    for (entry = map->table[i]; entry;) {
       nghttp2_map_entry *next = entry->next;
       func(entry, ptr);
       entry = next;
@@ -64,15 +63,14 @@ void nghttp2_map_each_free(nghttp2_map *map,
 
 int nghttp2_map_each(nghttp2_map *map,
                      int (*func)(nghttp2_map_entry *entry, void *ptr),
-                     void *ptr)
-{
+                     void *ptr) {
   int rv;
   size_t i;
-  for(i = 0; i < map->tablelen; ++i) {
+  for (i = 0; i < map->tablelen; ++i) {
     nghttp2_map_entry *entry;
-    for(entry = map->table[i]; entry; entry = entry->next) {
+    for (entry = map->table[i]; entry; entry = entry->next) {
       rv = func(entry, ptr);
-      if(rv != 0) {
+      if (rv != 0) {
         return rv;
       }
     }
@@ -80,32 +78,29 @@ int nghttp2_map_each(nghttp2_map *map,
   return 0;
 }
 
-void nghttp2_map_entry_init(nghttp2_map_entry *entry, key_type key)
-{
+void nghttp2_map_entry_init(nghttp2_map_entry *entry, key_type key) {
   entry->key = key;
   entry->next = NULL;
 }
 
 /* Same hash function in android HashMap source code. */
 /* The |mod| must be power of 2 */
-static int32_t hash(int32_t h, size_t mod)
-{
+static int32_t hash(int32_t h, size_t mod) {
   h ^= (h >> 20) ^ (h >> 12);
   h ^= (h >> 7) ^ (h >> 4);
   return h & (mod - 1);
 }
 
 static int insert(nghttp2_map_entry **table, size_t tablelen,
-                  nghttp2_map_entry *entry)
-{
+                  nghttp2_map_entry *entry) {
   int32_t h = hash(entry->key, tablelen);
-  if(table[h] == NULL) {
+  if (table[h] == NULL) {
     table[h] = entry;
   } else {
     nghttp2_map_entry *p;
     /* We won't allow duplicated key, so check it out. */
-    for(p = table[h]; p; p = p->next) {
-      if(p->key == entry->key) {
+    for (p = table[h]; p; p = p->next) {
+      if (p->key == entry->key) {
         return NGHTTP2_ERR_INVALID_ARGUMENT;
       }
     }
@@ -116,18 +111,19 @@ static int insert(nghttp2_map_entry **table, size_t tablelen,
 }
 
 /* new_tablelen must be power of 2 */
-static int resize(nghttp2_map *map, size_t new_tablelen)
-{
+static int resize(nghttp2_map *map, size_t new_tablelen) {
   size_t i;
   nghttp2_map_entry **new_table;
-  new_table = calloc(new_tablelen, sizeof(nghttp2_map_entry*));
-  if(new_table == NULL) {
+
+  new_table =
+      nghttp2_mem_calloc(map->mem, new_tablelen, sizeof(nghttp2_map_entry *));
+  if (new_table == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
-  for(i = 0; i < map->tablelen; ++i) {
+  for (i = 0; i < map->tablelen; ++i) {
     nghttp2_map_entry *entry;
-    for(entry = map->table[i]; entry;) {
+    for (entry = map->table[i]; entry;) {
       nghttp2_map_entry *next = entry->next;
       entry->next = NULL;
       /* This function must succeed */
@@ -135,52 +131,50 @@ static int resize(nghttp2_map *map, size_t new_tablelen)
       entry = next;
     }
   }
-  free(map->table);
+  nghttp2_mem_free(map->mem, map->table);
   map->tablelen = new_tablelen;
   map->table = new_table;
+
   return 0;
 }
 
-int nghttp2_map_insert(nghttp2_map *map, nghttp2_map_entry *new_entry)
-{
+int nghttp2_map_insert(nghttp2_map *map, nghttp2_map_entry *new_entry) {
   int rv;
   /* Load factor is 0.75 */
-  if((map->size + 1) * 4 > map->tablelen * 3) {
+  if ((map->size + 1) * 4 > map->tablelen * 3) {
     rv = resize(map, map->tablelen * 2);
-    if(rv != 0) {
+    if (rv != 0) {
       return rv;
     }
   }
   rv = insert(map->table, map->tablelen, new_entry);
-  if(rv != 0) {
+  if (rv != 0) {
     return rv;
   }
   ++map->size;
   return 0;
 }
 
-nghttp2_map_entry* nghttp2_map_find(nghttp2_map *map, key_type key)
-{
+nghttp2_map_entry *nghttp2_map_find(nghttp2_map *map, key_type key) {
   int32_t h;
   nghttp2_map_entry *entry;
   h = hash(key, map->tablelen);
-  for(entry = map->table[h]; entry; entry = entry->next) {
-    if(entry->key == key) {
+  for (entry = map->table[h]; entry; entry = entry->next) {
+    if (entry->key == key) {
       return entry;
     }
   }
   return NULL;
 }
 
-int nghttp2_map_remove(nghttp2_map *map, key_type key)
-{
+int nghttp2_map_remove(nghttp2_map *map, key_type key) {
   int32_t h;
   nghttp2_map_entry *entry, *prev;
   h = hash(key, map->tablelen);
   prev = NULL;
-  for(entry = map->table[h]; entry; entry = entry->next) {
-    if(entry->key == key) {
-      if(prev == NULL) {
+  for (entry = map->table[h]; entry; entry = entry->next) {
+    if (entry->key == key) {
+      if (prev == NULL) {
         map->table[h] = entry->next;
       } else {
         prev->next = entry->next;
@@ -193,7 +187,4 @@ int nghttp2_map_remove(nghttp2_map *map, key_type key)
   return NGHTTP2_ERR_INVALID_ARGUMENT;
 }
 
-size_t nghttp2_map_size(nghttp2_map *map)
-{
-  return map->size;
-}
+size_t nghttp2_map_size(nghttp2_map *map) { return map->size; }

lib/nghttp2_map.h

@@ -26,11 +26,12 @@
 #define NGHTTP2_MAP_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>
 #include "nghttp2_int.h"
+#include "nghttp2_mem.h"
 
 /* Implementation of unordered map */
 
@@ -43,6 +44,7 @@ typedef struct nghttp2_map_entry {
 
 typedef struct {
   nghttp2_map_entry **table;
+  nghttp2_mem *mem;
   size_t tablelen;
   size_t size;
 } nghttp2_map;
@@ -56,7 +58,7 @@ typedef struct {
  * NGHTTP2_ERR_NOMEM
  *   Out of memory
  */
-int nghttp2_map_init(nghttp2_map *map);
+int nghttp2_map_init(nghttp2_map *map, nghttp2_mem *mem);
 
 /*
  * Deallocates any resources allocated for |map|. The stored entries
@@ -98,7 +100,7 @@ int nghttp2_map_insert(nghttp2_map *map, nghttp2_map_entry *entry);
  * Returns the entry associated by the key |key|.  If there is no such
  * entry, this function returns NULL.
  */
-nghttp2_map_entry* nghttp2_map_find(nghttp2_map *map, key_type key);
+nghttp2_map_entry *nghttp2_map_find(nghttp2_map *map, key_type key);
 
 /*
  * Removes the entry associated by the key |key| from the |map|.  The

lib/nghttp2_mem.c

@@ -0,0 +1,61 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "nghttp2_mem.h"
+
+static void *default_malloc(size_t size, void *mem_user_data _U_) {
+  return malloc(size);
+}
+
+static void default_free(void *ptr, void *mem_user_data _U_) { free(ptr); }
+
+static void *default_calloc(size_t nmemb, size_t size,
+                            void *mem_user_data _U_) {
+  return calloc(nmemb, size);
+}
+
+static void *default_realloc(void *ptr, size_t size, void *mem_user_data _U_) {
+  return realloc(ptr, size);
+}
+
+static nghttp2_mem mem_default = {NULL, default_malloc, default_free,
+                                  default_calloc, default_realloc};
+
+nghttp2_mem *nghttp2_mem_default(void) { return &mem_default; }
+
+void *nghttp2_mem_malloc(nghttp2_mem *mem, size_t size) {
+  return mem->malloc(size, mem->mem_user_data);
+}
+
+void nghttp2_mem_free(nghttp2_mem *mem, void *ptr) {
+  mem->free(ptr, mem->mem_user_data);
+}
+
+void *nghttp2_mem_calloc(nghttp2_mem *mem, size_t nmemb, size_t size) {
+  return mem->calloc(nmemb, size, mem->mem_user_data);
+}
+
+void *nghttp2_mem_realloc(nghttp2_mem *mem, void *ptr, size_t size) {
+  return mem->realloc(ptr, size, mem->mem_user_data);
+}

lib/nghttp2_mem.h

@@ -0,0 +1,44 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef NGHTTP2_MEM_H
+#define NGHTTP2_MEM_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <nghttp2/nghttp2.h>
+
+/* The default, system standard memory allocator */
+nghttp2_mem *nghttp2_mem_default(void);
+
+/* Convenient wrapper functions to call allocator function in
+   |mem|. */
+void *nghttp2_mem_malloc(nghttp2_mem *mem, size_t size);
+void nghttp2_mem_free(nghttp2_mem *mem, void *ptr);
+void *nghttp2_mem_calloc(nghttp2_mem *mem, size_t nmemb, size_t size);
+void *nghttp2_mem_realloc(nghttp2_mem *mem, void *ptr, size_t size);
+
+#endif /* NGHTTP2_MEM_H */

lib/nghttp2_net.h

@@ -26,19 +26,19 @@
 #define NGHTTP2_NET_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #ifdef HAVE_ARPA_INET_H
-#  include <arpa/inet.h>
+#include <arpa/inet.h>
 #endif /* HAVE_ARPA_INET_H */
 
 #ifdef HAVE_NETINET_IN_H
-#  include <netinet/in.h>
+#include <netinet/in.h>
 #endif /* HAVE_NETINET_IN_H */
 
 #ifdef HAVE_WINSOCK2_H
-#  include <winsock2.h>
+#include <winsock2.h>
 #endif /* HAVE_WINSOCK2_H */
 
 #endif /* NGHTTP2_NET_H */

lib/nghttp2_npn.c

@@ -27,28 +27,26 @@
 #include <string.h>
 
 int nghttp2_select_next_protocol(unsigned char **out, unsigned char *outlen,
-                                 const unsigned char *in, unsigned int inlen)
-{
+                                 const unsigned char *in, unsigned int inlen) {
   int http_selected = 0;
   unsigned int i = 0;
-  for(; i < inlen; i += in[i]+1) {
-    if(in[i] == NGHTTP2_PROTO_VERSION_ID_LEN &&
-       i + 1 + in[i] <= inlen &&
-       memcmp(&in[i+1], NGHTTP2_PROTO_VERSION_ID, in[i]) == 0) {
-      *out = (unsigned char*)&in[i+1];
+  for (; i < inlen; i += in [i] + 1) {
+    if (in[i] == NGHTTP2_PROTO_VERSION_ID_LEN && i + 1 + in[i] <= inlen &&
+        memcmp(&in[i + 1], NGHTTP2_PROTO_VERSION_ID, in[i]) == 0) {
+      *out = (unsigned char *)&in[i + 1];
       *outlen = in[i];
       return 1;
     }
-    if(in[i] == 8 && i + 1 + in[i] <= inlen &&
-       memcmp(&in[i+1], "http/1.1", in[i]) == 0) {
+    if (in[i] == 8 && i + 1 + in[i] <= inlen &&
+        memcmp(&in[i + 1], "http/1.1", in[i]) == 0) {
       http_selected = 1;
-      *out = (unsigned char*)&in[i+1];
+      *out = (unsigned char *)&in[i + 1];
       *outlen = in[i];
       /* Go through to the next iteration, because "HTTP/2" may be
          there */
     }
   }
-  if(http_selected) {
+  if (http_selected) {
     return 0;
   } else {
     return -1;

lib/nghttp2_npn.h

@@ -26,7 +26,7 @@
 #define NGHTTP2_NPN_H
 
 #ifdef HAVE_CONFIG
-# include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG */
 
 #include <nghttp2/nghttp2.h>

lib/nghttp2_option.c

@@ -24,31 +24,30 @@
  */
 #include "nghttp2_option.h"
 
-int nghttp2_option_new(nghttp2_option **option_ptr)
-{
+int nghttp2_option_new(nghttp2_option **option_ptr) {
   *option_ptr = calloc(1, sizeof(nghttp2_option));
 
-  if(*option_ptr == NULL) {
+  if (*option_ptr == NULL) {
     return NGHTTP2_ERR_NOMEM;
   }
 
   return 0;
 }
 
-void nghttp2_option_del(nghttp2_option *option)
-{
-  free(option);
-}
+void nghttp2_option_del(nghttp2_option *option) { free(option); }
 
-void nghttp2_option_set_no_auto_window_update(nghttp2_option *option, int val)
-{
+void nghttp2_option_set_no_auto_window_update(nghttp2_option *option, int val) {
   option->opt_set_mask |= NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE;
   option->no_auto_window_update = val;
 }
 
 void nghttp2_option_set_peer_max_concurrent_streams(nghttp2_option *option,
-                                                    uint32_t val)
-{
+                                                    uint32_t val) {
   option->opt_set_mask |= NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS;
   option->peer_max_concurrent_streams = val;
 }
+
+void nghttp2_option_set_recv_client_preface(nghttp2_option *option, int val) {
+  option->opt_set_mask |= NGHTTP2_OPT_RECV_CLIENT_PREFACE;
+  option->recv_client_preface = val;
+}

lib/nghttp2_option.h

@@ -26,7 +26,7 @@
 #define NGHTTP2_OPTION_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <nghttp2/nghttp2.h>
@@ -56,7 +56,8 @@ typedef enum {
    * will be overwritten if the local endpoint receives
    * SETTINGS_MAX_CONCURRENT_STREAMS from the remote endpoint.
    */
-  NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS = 1 << 1
+  NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS = 1 << 1,
+  NGHTTP2_OPT_RECV_CLIENT_PREFACE = 1 << 2,
 } nghttp2_option_flag;
 
 /**
@@ -76,6 +77,10 @@ struct nghttp2_option {
    * NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE
    */
   uint8_t no_auto_window_update;
+  /**
+   * NGHTTP2_OPT_RECV_CLIENT_PREFACE
+   */
+  uint8_t recv_client_preface;
 };
 
 #endif /* NGHTTP2_OPTION_H */

lib/nghttp2_outbound_item.c

@@ -26,20 +26,21 @@
 
 #include <assert.h>
 
-void nghttp2_outbound_item_free(nghttp2_outbound_item *item)
-{
-  if(item == NULL) {
+void nghttp2_outbound_item_free(nghttp2_outbound_item *item, nghttp2_mem *mem) {
+  nghttp2_frame *frame;
+
+  if (item == NULL) {
     return;
   }
-  if(item->frame_cat == NGHTTP2_CAT_CTRL) {
-    nghttp2_frame *frame;
-    frame = nghttp2_outbound_item_get_ctrl_frame(item);
-    switch(frame->hd.type) {
+
+  frame = &item->frame;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_DATA:
+    nghttp2_frame_data_free(&frame->data);
+    break;
   case NGHTTP2_HEADERS:
-      nghttp2_frame_headers_free(&frame->headers);
-      if(item->aux_data) {
-        free(((nghttp2_headers_aux_data*)item->aux_data)->data_prd);
-      }
+    nghttp2_frame_headers_free(&frame->headers, mem);
     break;
   case NGHTTP2_PRIORITY:
     nghttp2_frame_priority_free(&frame->priority);
@@ -48,33 +49,19 @@ void nghttp2_outbound_item_free(nghttp2_outbound_item *item)
     nghttp2_frame_rst_stream_free(&frame->rst_stream);
     break;
   case NGHTTP2_SETTINGS:
-      nghttp2_frame_settings_free(&frame->settings);
+    nghttp2_frame_settings_free(&frame->settings, mem);
     break;
   case NGHTTP2_PUSH_PROMISE:
-      nghttp2_frame_push_promise_free(&frame->push_promise);
+    nghttp2_frame_push_promise_free(&frame->push_promise, mem);
     break;
   case NGHTTP2_PING:
     nghttp2_frame_ping_free(&frame->ping);
     break;
   case NGHTTP2_GOAWAY:
-      nghttp2_frame_goaway_free(&frame->goaway);
+    nghttp2_frame_goaway_free(&frame->goaway, mem);
     break;
   case NGHTTP2_WINDOW_UPDATE:
     nghttp2_frame_window_update_free(&frame->window_update);
     break;
-    case NGHTTP2_EXT_ALTSVC:
-      nghttp2_frame_altsvc_free(&frame->ext);
-      free(frame->ext.payload);
-      break;
   }
-  } else if(item->frame_cat == NGHTTP2_CAT_DATA) {
-    nghttp2_private_data *data_frame;
-    data_frame = nghttp2_outbound_item_get_data_frame(item);
-    nghttp2_frame_private_data_free(data_frame);
-  } else {
-    /* Unreachable */
-    assert(0);
-  }
-  free(item->frame);
-  free(item->aux_data);
 }