Update man pages

This makes the library h2-16 compatible 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/
@@ -28,3 +29,21 @@ INSTALL
 .DS_STORE
 compile
 test-driver
+.dirstamp
+doc/index.rst
+doc/nghttp2.h.rst
+doc/nghttp2ver.h.rst
+doc/package_README.rst
+doc/tutorial-client.rst
+doc/tutorial-server.rst
+doc/nghttpx-howto.rst
+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

@@ -0,0 +1,38 @@
+language: cpp
+compiler:
+  - clang
+#Disable gcc build for the moment...
+#  - gcc
+python:
+ - "3.4" 
+before_install:
+  - $CC --version
+  - sudo add-apt-repository --yes ppa:ubuntu-toolchain-r/test
+  - sudo apt-get update -qq
+    #Install and use gcc-4.8 (don't build with gcc-4.6)
+    #libstdc++-4.8 is needed by Clang to build too
+  - sudo apt-get -qq install g++-4.8 libstdc++-4.8-dev
+  - >
+      sudo apt-get install --no-install-recommends -qq
+      autoconf
+      automake
+      autotools-dev
+      libtool
+      pkg-config
+      zlib1g-dev
+      libcunit1-dev
+      libssl-dev
+      libxml2-dev
+      libevent-dev
+      libjansson-dev
+      libjemalloc-dev
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.8" CC="gcc-4.8"; fi
+  - $CC --version
+before_script:
+  - autoreconf -i
+  - automake
+  - autoconf
+  - ./configure --enable-werror
+script:
+  - make
+  - make check

COPYING

@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2012 Tatsuhiro Tsujikawa
+Copyright (c) 2012, 2014 Tatsuhiro Tsujikawa
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
@@ -20,3 +20,22 @@ 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.
+
+[The text below 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!

Dockerfile.android

@@ -0,0 +1,100 @@
+# 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=$PREFIX android && \
+    make && make install_sw
+
+WORKDIR /root/build
+RUN curl -L -O https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
+RUN tar xf libevent-2.0.21-stable.tar.gz
+WORKDIR /root/build/libevent-2.0.21-stable
+RUN ./configure \
+    --host=arm-linux-androideabi \
+    --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --prefix=$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" \
+    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
+    LDFLAGS="-L$PREFIX/lib" && \
+    make && \
+    arm-linux-androideabi-strip src/nghttpx src/nghttpd src/nghttp

Makefile.am

@@ -1,4 +1,4 @@
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012 Tatsuhiro Tsujikawa
 
@@ -20,10 +20,23 @@
 # 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 src examples hdtest tests doc
+SUBDIRS = lib third-party src examples python tests doc contrib
 
 ACLOCAL_AMFLAGS = -I m4
 
 dist_doc_DATA = README.rst
 
-EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make
+EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
+	Dockerfile.android
+
+.PONY: 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}

android-config

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 #
 # Copyright (c) 2013 Tatsuhiro Tsujikawa
 #
@@ -36,6 +36,10 @@ PATH=$TOOLCHAIN/bin:$PATH
     --host=arm-linux-androideabi \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
     --with-xml-prefix="$PREFIX" \
+    --without-libxml2 \
+    --disable-python-bindings \
+    --disable-examples \
+    --disable-threads \
     CPPFLAGS="-I$PREFIX/include" \
     PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
     LDFLAGS="-L$PREFIX/lib"

android-make

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 #
 # Copyright (c) 2013 Tatsuhiro Tsujikawa
 #

configure.ac

@@ -1,4 +1,4 @@
-dnl nghttp2 - HTTP/2.0 C Library
+dnl nghttp2 - HTTP/2 C Library
 
 dnl Copyright (c) 2012, 2013 Tatsuhiro Tsujikawa
 
@@ -21,14 +21,14 @@ 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.
 AC_PREREQ(2.61)
-AC_INIT([nghttp2], [0.2.0], [t-tujikawa@users.sourceforge.net])
+AC_INIT([nghttp2], [0.6.7], [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, 1)
+AC_SUBST(LT_CURRENT, 7)
-AC_SUBST(LT_REVISION, 0)
+AC_SUBST(LT_REVISION, 2)
-AC_SUBST(LT_AGE, 0)
+AC_SUBST(LT_AGE, 2)
 
 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"`
@@ -45,33 +45,79 @@ AC_CANONICAL_TARGET
 AC_CONFIG_MACRO_DIR([m4])
 
 AM_INIT_AUTOMAKE([subdir-objects])
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
 AC_CONFIG_HEADERS([config.h])
 
 dnl Checks for command-line options
-AC_ARG_ENABLE([maintainer-mode],
+AC_ARG_ENABLE([werror],
-    [AS_HELP_STRING([--enable-maintainer-mode],
+    [AS_HELP_STRING([--enable-werror],
                     [Turn on compile time warnings])],
-    [maintainer_mode=$enableval], [maintainer_mode=no])
+    [werror=$enableval], [werror=no])
 
-AC_ARG_ENABLE([src],
+AC_ARG_ENABLE([debug],
-    [AS_HELP_STRING([--enable-src],
+    [AS_HELP_STRING([--enable-debug],
-                    [Build installable SPDY client/server programs in src])],
+                    [Turn on debug output])],
-    [request_src=$enableval], [request_src=yes])
+    [debug=$enableval], [debug=no])
+
+AC_ARG_ENABLE([threads],
+    [AS_HELP_STRING([--disable-threads],
+                    [Turn off threading in apps])],
+    [threads=$enableval], [threads=yes])
+
+AC_ARG_ENABLE([app],
+    [AS_HELP_STRING([--enable-app],
+                    [Build applications (nghttp, nghttpd and nghttpx) [default=check]])],
+    [request_app=$enableval], [request_app=check])
+
+AC_ARG_ENABLE([hpack-tools],
+    [AS_HELP_STRING([--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 example programs])],
+                    [Build examples [default=check]])],
-    [request_examples=$enableval], [request_examples=yes])
+    [request_examples=$enableval], [request_examples=check])
+
+AC_ARG_ENABLE([python-bindings],
+    [AS_HELP_STRING([--enable-python-bindings],
+                    [Build Python bindings [default=check]])],
+    [request_python_bindings=$enableval], [request_python_bindings=check])
 
 AC_ARG_ENABLE([failmalloc],
     [AS_HELP_STRING([--enable-failmalloc],
-                    [Build failmalloc test program])],
+                    [Build failmalloc test program [default=no]])],
     [request_failmalloc=$enableval], [request_failmalloc=no])
 
 AC_ARG_WITH([libxml2],
-    [AS_HELP_STRING([--without-libxml2],
+    [AS_HELP_STRING([--with-libxml2],
-                    [disable support for libxml2])],
+                    [Use libxml2 [default=check]])],
-    [], [with_libxml2=yes])
+    [request_libxml2=$withval], [request_libxml2=check])
+
+AC_ARG_WITH([jemalloc],
+    [AS_HELP_STRING([--with-jemalloc],
+                    [Use jemalloc [default=check]])],
+    [request_jemalloc=$withval], [request_jemalloc=check])
+
+AC_ARG_WITH([spdylay],
+    [AS_HELP_STRING([--with-spdylay],
+                    [Use spdylay [default=check]])],
+    [request_spdylay=$withval], [request_spdylay=check])
+
+AC_ARG_WITH([cython],
+    [AS_HELP_STRING([--with-cython=PATH],
+                    [Use cython in given PATH])],
+    [cython_path=$withval], [])
+
+dnl Define variables
+AC_ARG_VAR([CYTHON], [the Cython executable])
 
 dnl Checks for programs
 AC_PROG_CC
@@ -81,16 +127,42 @@ AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AM_PROG_CC_C_O
 PKG_PROG_PKG_CONFIG([0.20])
-AM_PATH_PYTHON([2.6],, [:])
+
+if [test "x$request_python_bindings" != "xno"]; then
+  AM_PATH_PYTHON([2.7],, [:])
+  AX_PYTHON_DEVEL([>= '2.7'])
+fi
+
+if test "x${cython_path}" = "x"; then
+  AC_CHECK_PROGS([CYTHON], [cython.py cython])
+else
+  CYTHON=${cython_path}
+  AC_SUBST([CYTHON])
+fi
+
+#
+# If we're running GCC or clang define _U_ to be "__attribute__((unused))"
+# so we can use _U_ to flag unused function parameters and not get warnings
+# about them. Otherwise, define _U_ to be an empty string so that _U_ used
+# to flag an unused function parameters will compile with other compilers.
+#
+# XXX - similar hints for other compilers?
+#
+if test "x$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++)
+
 # Check that std::chrono::steady_clock is available. In particular,
 # gcc 4.6 does not have one, but has monotonic_clock which is the old
 # name existed in the pre-standard draft. If steady_clock is not
 # available, don't define HAVE_STEADY_CLOCK and replace steady_clock
 # with monotonic_clock.
-AC_LANG_PUSH(C++)
 AC_MSG_CHECKING([whether std::chrono::steady_clock is available])
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 [[
@@ -103,6 +175,24 @@ auto tp = std::chrono::steady_clock::now();
                [Define to 1 if you have the `std::chrono::steady_clock`.])
      AC_MSG_RESULT([yes])],
     [AC_MSG_RESULT([no])])
+
+# Check that std::future is available.
+AC_MSG_CHECKING([whether std::future is available])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+#include <vector>
+#include <future>
+]],
+[[
+std::vector<std::future<int>> v;
+]])],
+    [AC_DEFINE([HAVE_STD_FUTURE], [1],
+               [Define to 1 if you have the `std::future`.])
+     have_std_future=yes
+     AC_MSG_RESULT([yes])],
+    [have_std_future=no
+     AC_MSG_RESULT([no])])
+
 AC_LANG_POP()
 
 # Checks for libraries.
@@ -134,18 +224,22 @@ case "$host" in
     SRC_LIBS="$SRC_LIBS -lstdc++ -lsupc++"
     ;;
   *)
-    SRC_LIBS="$SRC_LIBS -pthread"
+    PTHREAD_LDFLAGS="-pthread"
+    SRC_LIBS="$SRC_LIBS $PTHREAD_LDFLAGS"
     ;;
 esac
 
 # zlib
 if test "x$android_build" = "xyes"; then
   # Use zlib provided by NDK
-  LIBS="-lz $LIBS"
+  SRC_LIBS="-lz $SRC_LIBS"
+  have_zlib=yes
 else
-  PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3])
+  PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3], [have_zlib=yes], [have_zlib=no])
-  LIBS="$ZLIB_LIBS $LIBS"
+
-  CFLAGS="$CFLAGS $ZLIB_CFLAGS"
+  if test "x${have_zlib}" = "xno"; then
+    AC_MSG_NOTICE($ZLIB_PKG_ERRORS)
+  fi
 fi
 
 # cunit
@@ -192,64 +286,172 @@ 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
 
 # libxml2 (for src/nghttp)
 have_libxml2=no
-if test "x$with_libxml2" != "xno"; then
+if test "x${request_libxml2}" != "xno"; then
   AM_PATH_XML2(2.7.7, [have_libxml2=yes], [have_libxml2=no])
   if test "x${have_libxml2}" = "xyes"; then
     AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
   fi
 fi
+
+if test "x${request_libxml2}" = "xyes" &&
+   test "x${have_libxml2}" != "xyes"; then
+  AC_MSG_ERROR([libxml2 was requested (--with-libxml2) but not found])
+fi
+
 AM_CONDITIONAL([HAVE_LIBXML2], [ test "x${have_libxml2}" = "xyes" ])
 
-# spdylay (for src/nghttpx)
+# jemalloc
-PKG_CHECK_MODULES([LIBSPDYLAY], [libspdylay >= 1.0.0],
+have_jemalloc=no
+if test "x${request_jemalloc}" != "xno"; then
+  LIBS_OLD=$LIBS
+  AC_SEARCH_LIBS([malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
+                 [$PTHREAD_LDFLAGS])
+  LIBS=$LIBS_OLD
+  if test "x${have_jemalloc}" = "xyes" &&
+     test "x${ac_cv_search_malloc_stats_print}" != "xnone required"; then
+    JEMALLOC_LIBS=${ac_cv_search_malloc_stats_print}
+    AC_SUBST([JEMALLOC_LIBS])
+  fi
+fi
+
+if test "x${request_jemalloc}" = "xyes" &&
+   test "x${have_jemalloc}" != "xyes"; then
+  AC_MSG_ERROR([jemalloc was requested (--with-jemalloc) but not found])
+fi
+
+# spdylay (for src/nghttpx and src/h2load)
+have_spdylay=no
+if test "x${request_spdylay}" != "xno"; then
+  PKG_CHECK_MODULES([LIBSPDYLAY], [libspdylay >= 1.3.0],
                     [have_spdylay=yes], [have_spdylay=no])
   if test "x${have_spdylay}" = "xyes"; then
     AC_DEFINE([HAVE_SPDYLAY], [1], [Define to 1 if you have `spdylay` library.])
   else
     AC_MSG_NOTICE($LIBSPDYLAY_PKG_ERRORS)
-  AC_MSG_NOTICE([The SPDY support in nghttpd will be disabled.])
+    AC_MSG_NOTICE([The SPDY support in nghttpx and h2load will be disabled.])
   fi
+fi
+
+if test "x${request_spdylay}" = "xyes" &&
+   test "x${have_spdylay}" != "xyes"; then
+  AC_MSG_ERROR([spdylay was requested (--with-spdylay) but not found])
+fi
+
 AM_CONDITIONAL([HAVE_SPDYLAY], [ test "x${have_spdylay}" = "xyes" ])
 
-# The programs under src depend on OpenSSL and libevent_openssl
+# Check Boost Asio library
-enable_src=no
+have_asio_lib=no
-if test "x${request_src}" = "xyes" &&
+
-   test "x${have_openssl}" = "xyes" &&
+if test "x${request_asio_lib}" = "xyes"; then
-   test "x${have_libevent_openssl}" = "xyes"; then
+  AX_BOOST_BASE([1.54.0], [have_boost_base=yes], [have_boost_base=no])
-    enable_src=yes
+
+  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
 
-AM_CONDITIONAL([ENABLE_SRC], [ test "x${enable_src}" = "xyes" ])
+# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL
+# and libevent_openssl
+enable_app=no
+if test "x${request_app}" != "xno" &&
+   test "x${have_zlib}" = "xyes" &&
+   test "x${have_openssl}" = "xyes" &&
+   test "x${have_libevent_openssl}" = "xyes"; then
+  enable_app=yes
+fi
 
-# The example programs depend on OpenSSL
+if test "x${request_app}" = "xyes" &&
+   test "x${enable_app}" != "xyes"; then
+  AC_MSG_ERROR([applications were requested (--enable-app) but dependencies are not met.])
+fi
+
+AM_CONDITIONAL([ENABLE_APP], [ test "x${enable_app}" = "xyes" ])
+
+enable_hpack_tools=no
+# HPACK tools requires jansson
+if test "x${request_hpack_tools}" != "xno" &&
+   test "x${have_jansson}" = "xyes"; then
+  enable_hpack_tools=yes
+fi
+
+if test "x${request_hpack_tools}" = "xyes" &&
+   test "x${enable_hpack_tools}" != "xyes"; then
+  AC_MSG_ERROR([HPACK tools were requested (--enable-hpack-tools) but dependencies are not met.])
+fi
+
+AM_CONDITIONAL([ENABLE_HPACK_TOOLS], [ test "x${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}" = "xyes" &&
+if test "x${request_examples}" != "xno" &&
-   test "x${have_openssl}" = "xyes"; then
+   test "x${have_openssl}" = "xyes" &&
+   test "x${have_libevent_openssl}" = "xyes"; then
   enable_examples=yes
 fi
 
+if test "x${request_examples}" = "xyes" &&
+   test "x${enable_examples}" != "xyes"; then
+  AC_MSG_ERROR([examples were requested (--enable-examples) but dependencies are not met.])
+fi
+
 AM_CONDITIONAL([ENABLE_EXAMPLES], [ test "x${enable_examples}" = "xyes" ])
 
-# hdtest requires jansson
+# Python bindings
-if test "x${have_jansson}" = "xyes"; then
+enable_python_bindings=no
-    enable_hdtest=yes
+if test "x${request_python_bindings}" != "xno" &&
+   test "x${CYTHON}" != "x" &&
+   test "x${PYTHON}" != "x:" &&
+   test "x${have_python_dev}" = "xyes"; then
+  enable_python_bindings=yes
 fi
 
-AM_CONDITIONAL([ENABLE_HDTEST], [ test "x${enable_hdtest}" = "xyes" ])
+if test "x${request_python_bindings}" = "xyes" &&
+   test "x${enable_python_bindings}" != "xyes"; then
+  AC_MSG_ERROR([python bindings were requested (--enable-python-bindings) but dependencies are not met.])
+fi
+
+AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS],
+               [test "x${enable_python_bindings}" = "xyes"])
+
+# Produce cython conditional, so that we can distribute generated C
+# source
+AM_CONDITIONAL([HAVE_CYTHON], [test "x${CYTHON}" != "x"])
 
 # failmalloc tests
 AM_CONDITIONAL([ENABLE_FAILMALLOC], [ test "x${enable_failmalloc}" = "xyes" ])
 
 # Checks for header files.
+AC_HEADER_ASSERT
 AC_CHECK_HEADERS([ \
   arpa/inet.h \
   netinet/in.h \
@@ -280,17 +482,39 @@ 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 \
   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 "${host}" in
   *mingw*)
@@ -298,16 +522,46 @@ case "${host}" in
     ;;
 esac
 
-if test "x$maintainer_mode" != "xno"; then
+if test "x$werror" != "xno"; then
-    CFLAGS="$CFLAGS -Wall -Wextra -Werror"
+    AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
-    CFLAGS="$CFLAGS -Wmissing-prototypes -Wstrict-prototypes"
+    AX_CHECK_COMPILE_FLAG([-Wextra], [CFLAGS="$CFLAGS -Wextra"])
-    CFLAGS="$CFLAGS -Wmissing-declarations -Wpointer-arith"
+    AX_CHECK_COMPILE_FLAG([-Werror], [CFLAGS="$CFLAGS -Werror"])
-    CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+    AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes], [CFLAGS="$CFLAGS -Wmissing-prototypes"])
-    CFLAGS="$CFLAGS -Wformat-security"
+    AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes], [CFLAGS="$CFLAGS -Wstrict-prototypes"])
-    CFLAGS="$CFLAGS -Wwrite-strings -Wshadow -Winline -Wnested-externs"
+    AX_CHECK_COMPILE_FLAG([-Wmissing-declarations], [CFLAGS="$CFLAGS -Wmissing-declarations"])
-    CFLAGS="$CFLAGS -Wfloat-equal -Wundef -Wendif-labels -Wempty-body"
+    AX_CHECK_COMPILE_FLAG([-Wpointer-arith], [CFLAGS="$CFLAGS -Wpointer-arith"])
-    CFLAGS="$CFLAGS -Wcast-align -Wclobbered -Wvla"
+    AX_CHECK_COMPILE_FLAG([-Wdeclaration-after-statement], [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
-    CFLAGS="$CFLAGS -Wno-unused-parameter"
+    AX_CHECK_COMPILE_FLAG([-Wformat-security], [CFLAGS="$CFLAGS -Wformat-security"])
+    AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [CFLAGS="$CFLAGS -Wwrite-strings"])
+    AX_CHECK_COMPILE_FLAG([-Wshadow], [CFLAGS="$CFLAGS -Wshadow"])
+    AX_CHECK_COMPILE_FLAG([-Winline], [CFLAGS="$CFLAGS -Winline"])
+    AX_CHECK_COMPILE_FLAG([-Wnested-externs], [CFLAGS="$CFLAGS -Wnested-externs"])
+    AX_CHECK_COMPILE_FLAG([-Wfloat-equal], [CFLAGS="$CFLAGS -Wfloat-equal"])
+    AX_CHECK_COMPILE_FLAG([-Wundef], [CFLAGS="$CFLAGS -Wundef"])
+    AX_CHECK_COMPILE_FLAG([-Wendif-labels], [CFLAGS="$CFLAGS -Wendif-labels"])
+    AX_CHECK_COMPILE_FLAG([-Wempty-body], [CFLAGS="$CFLAGS -Wempty-body"])
+    AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"])
+    AX_CHECK_COMPILE_FLAG([-Wclobbered], [CFLAGS="$CFLAGS -Wclobbered"])
+    AX_CHECK_COMPILE_FLAG([-Wvla], [CFLAGS="$CFLAGS -Wvla"])
+    AX_CHECK_COMPILE_FLAG([-Wpragmas], [CFLAGS="$CFLAGS -Wpragmas"])
+    AX_CHECK_COMPILE_FLAG([-Wunreachable-code], [CFLAGS="$CFLAGS -Wunreachable-code"])
+    AX_CHECK_COMPILE_FLAG([-Waddress], [CFLAGS="$CFLAGS -Waddress"])
+    AX_CHECK_COMPILE_FLAG([-Wattributes], [CFLAGS="$CFLAGS -Wattributes"])
+    AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
+    AX_CHECK_COMPILE_FLAG([-Wshorten-64-to-32], [CFLAGS="$CFLAGS -Wshorten-64-to-32"])
+
+    # Only work with Clang for the moment
+    AX_CHECK_COMPILE_FLAG([-Wheader-guard], [CFLAGS="$CFLAGS -Wheader-guard"])
+fi
+
+if test "x$debug" != "xno"; then
+    AC_DEFINE([DEBUGBUILD], [1], [Define to 1 to enable debug output.])
+fi
+
+# Some platform does not have working std::future.  We disable
+# threading for those platforms to exclude std::future use.
+if test "x$threads" != "xyes" || test "x$have_std_future" != "xyes"; then
+    AC_DEFINE([NOTHREADS], [1], [Define to 1 if you want to disable threads.])
 fi
 
 AC_SUBST([TESTS_LIBS])
@@ -321,11 +575,30 @@ AC_CONFIG_FILES([
   lib/includes/nghttp2/nghttp2ver.h
   tests/Makefile
   tests/testdata/Makefile
+  third-party/Makefile
   src/Makefile
+  src/includes/Makefile
+  src/libnghttp2_asio.pc
   examples/Makefile
-  hdtest/Makefile
+  python/Makefile
+  python/setup.py
   doc/Makefile
   doc/conf.py
+  doc/index.rst
+  doc/package_README.rst
+  doc/tutorial-client.rst
+  doc/tutorial-server.rst
+  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
 
@@ -344,13 +617,29 @@ AC_MSG_NOTICE([summary of build options:
     CXXFLAGS:       ${CXXFLAGS}
     CXXCPP:         ${CXXCPP}
     Library types:  Shared=${enable_shared}, Static=${enable_static}
+    Python:         ${PYTHON}
+    PYTHON_VERSION: ${PYTHON_VERSION}
+    pyexecdir:      ${pyexecdir}
+    Python-dev:     ${have_python_dev}
+    PYTHON_CPPFLAGS:${PYTHON_CPPFLAGS}
+    PYTHON_LDFLAGS: ${PYTHON_LDFLAGS}
+    Cython:         ${CYTHON}
     CUnit:          ${have_cunit}
     OpenSSL:        ${have_openssl}
     Libxml2:        ${have_libxml2}
     Libevent(SSL):  ${have_libevent_openssl}
+    Spdylay:        ${have_spdylay}
     Jansson:        ${have_jansson}
-    Src:            ${enable_src}
+    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}
+    Applications:   ${enable_app}
+    HPACK tools:    ${enable_hpack_tools}
+    Libnghttp2_asio:${enable_asio_lib}
     Examples:       ${enable_examples}
-    Hdtest:         ${enable_hdtest}
+    Python bindings:${enable_python_bindings}
     Failmalloc:     ${request_failmalloc}
 ])

contrib/.gitignore

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

contrib/Makefile.am

@@ -1,6 +1,6 @@
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
-# Copyright (c) 2013 Tatsuhiro Tsujikawa
+# 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
@@ -21,22 +21,19 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-if ENABLE_HDTEST
+EXTRA_DIST = nghttpx-init.in nghttpx-logrotate
 
-AM_CFLAGS = -Wall
+edit = sed -e 's|@bindir[@]|$(bindir)|g'
-AM_CPPFLAGS = -Wall -I$(srcdir)/../lib/includes -I$(builddir)/../lib/includes \
-	-I$(srcdir)/../lib @JANSSON_CFLAGS@ @DEFS@
-AM_LDFLAGS = @JANSSON_LIBS@
-LDADD = $(top_builddir)/lib/libnghttp2.la
 
-bin_PROGRAMS = inflatehd deflatehd
+nghttpx-init: Makefile
+	rm -f $@ $@.tmp
+	$(edit) $(srcdir)/$@.in > $@.tmp
+	chmod +x $@.tmp
+	mv $@.tmp $@
 
-COMMON_SRCS = comp_helper.c comp_helper.h
+nghttpx-init: $(srcdir)/nghttpx-init.in
 
-inflatehd_SOURCES = inflatehd.c $(COMMON_SRCS)
+all-local: nghttpx-init
 
-deflatehd_SOURCES = deflatehd.c $(COMMON_SRCS)
+clean-local:
-
+	-rm -f nghttpx-init nghttpx-init.tmp
-endif # ENABLE_HDTEST
-
-EXTRA_DIST = README.rst

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

@@ -1,4 +1,4 @@
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012 Tatsuhiro Tsujikawa
 
@@ -21,8 +21,44 @@
 # 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 = README.rst apiref-header.rst index.rst mkapiref.py \
+man_MANS = nghttp.1 nghttpd.1 nghttpx.1 h2load.1
-	package_README.rst _static/default2.css _templates/menu.html
+
+EXTRA_DIST = \
+	mkapiref.py \
+	README.rst \
+	apiref-header.rst \
+	nghttp.1.rst \
+	nghttpd.1.rst \
+	nghttpx.1.rst \
+	h2load.1.rst \
+	sources/index.rst \
+	sources/tutorial-client.rst \
+	sources/tutorial-server.rst \
+	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 \
+	_themes/sphinx_rtd_theme/__init__.py \
+	_themes/sphinx_rtd_theme/layout.html \
+	_themes/sphinx_rtd_theme/search.html \
+	_themes/sphinx_rtd_theme/breadcrumbs.html \
+	_themes/sphinx_rtd_theme/versions.html \
+	_themes/sphinx_rtd_theme/searchbox.html \
+	_themes/sphinx_rtd_theme/static/fonts/FontAwesome.otf \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.svg \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.woff \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.eot \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf \
+	_themes/sphinx_rtd_theme/static/js/theme.js \
+	_themes/sphinx_rtd_theme/static/css/theme.css \
+	_themes/sphinx_rtd_theme/static/css/badge_only.css \
+	$(man_MANS)
 
 # Makefile for Sphinx documentation
 #
@@ -61,9 +97,10 @@ help:
 
 apiref.rst: $(top_builddir)/lib/includes/nghttp2/nghttp2ver.h \
 	$(top_builddir)/lib/includes/nghttp2/nghttp2.h
-	$(PYTHON) $(builddir)/mkapiref.py --header apiref-header.rst $^ > $@
+	$(PYTHON) $(top_srcdir)/doc/mkapiref.py \
+	--header $(top_srcdir)/doc/apiref-header.rst $^ > $@
 
-clean:
+clean-local:
 	-rm apiref.rst
 	-rm -rf $(BUILDDIR)/*
 

doc/_static/default2.css

@@ -1,15 +0,0 @@
-@import url(//fonts.googleapis.com/css?family=Roboto:400,400italic,500,500italic);
-
-pre, tt {
-    font-family:  monospace, sans-serif;
-}
-
-tt {
-    font-size: 100%;
-}
-
-div.body h1, div.body h2, div.body h3, div.body h4, div.body h5, div.body h6 {
-    border: 0;
-    margin: 0;
-    padding: 0.3em 0;
-}

doc/_templates/menu.html

@@ -1,5 +0,0 @@
-<h3>Menu</h3>
-<ul>
-  <li><a href="https://github.com/tatsuhiro-t/nghttp2/issues">Issues</a></li>
-  <li><a href="https://github.com/tatsuhiro-t/nghttp2">Source</a></li>
-</ul>

doc/_themes/sphinx_rtd_theme/__init__.py

@@ -0,0 +1,17 @@
+"""Sphinx ReadTheDocs theme.
+
+From https://github.com/ryan-roemer/sphinx-bootstrap-theme.
+
+"""
+import os
+
+VERSION = (0, 1, 5)
+
+__version__ = ".".join(str(v) for v in VERSION)
+__version_full__ = __version__
+
+
+def get_html_theme_path():
+    """Return list of HTML theme paths."""
+    cur_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
+    return cur_dir

doc/_themes/sphinx_rtd_theme/breadcrumbs.html

@@ -0,0 +1,19 @@
+<div role="navigation" aria-label="breadcrumbs navigation">
+  <ul class="wy-breadcrumbs">
+    <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
+      {% for doc in parents %}
+          <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
+      {% endfor %}
+    <li>{{ title }}</li>
+      <li class="wy-breadcrumbs-aside">
+        {% if display_github %}
+          <a href="https://github.com/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ source_suffix }}" class="fa fa-github"> Edit on GitHub</a>
+        {% elif display_bitbucket %}
+          <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}{{ source_suffix }}" class="fa fa-bitbucket"> Edit on Bitbucket</a>
+        {% elif show_source and has_source and sourcename %}
+          <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
+        {% endif %}
+      </li>
+  </ul>
+  <hr/>
+</div>

doc/_themes/sphinx_rtd_theme/footer.html

@@ -0,0 +1,32 @@
+<footer>
+  {% if next or prev %}
+    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
+      {% if next %}
+        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}">Next <span class="fa fa-arrow-circle-right"></span></a>
+      {% endif %}
+      {% if prev %}
+        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}"><span class="fa fa-arrow-circle-left"></span> Previous</a>
+      {% endif %}
+    </div>
+  {% endif %}
+
+  <hr/>
+
+  <div role="contentinfo">
+    <p>
+    {%- if show_copyright %}
+      {%- if hasdoc('copyright') %}
+        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
+      {%- else %}
+        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
+      {%- endif %}
+    {%- endif %}
+
+    {%- if last_updated %}
+      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
+    {%- endif %}
+    </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 %}
+</footer>

doc/_themes/sphinx_rtd_theme/layout.html

@@ -0,0 +1,162 @@
+{# TEMPLATE VAR SETTINGS #}
+{%- set url_root = pathto('', 1) %}
+{%- if url_root == '#' %}{% set url_root = '' %}{% endif %}
+{%- if not embedded and docstitle %}
+  {%- set titlesuffix = " — "|safe + docstitle|e %}
+{%- else %}
+  {%- set titlesuffix = "" %}
+{%- endif %}
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  {% block htmltitle %}
+  <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
+  {% endblock %}
+
+  {# FAVICON #}
+  {% if favicon %}
+    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
+  {% 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'>
+
+  {# OPENSEARCH #}
+  {% if not embedded %}
+    {% if use_opensearch %}
+      <link rel="search" type="application/opensearchdescription+xml" title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}" href="{{ pathto('_static/opensearch.xml', 1) }}"/>
+    {% endif %}
+
+  {% endif %}
+
+  {# RTD hosts this file, so just load on non RTD builds #}
+  {% if not READTHEDOCS %}
+    <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
+  {% endif %}
+
+  {% for cssfile in css_files %}
+    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
+  {% endfor %}
+
+  {%- block linktags %}
+    {%- if hasdoc('about') %}
+        <link rel="author" title="{{ _('About these documents') }}"
+              href="{{ pathto('about') }}"/>
+    {%- endif %}
+    {%- if hasdoc('genindex') %}
+        <link rel="index" title="{{ _('Index') }}"
+              href="{{ pathto('genindex') }}"/>
+    {%- endif %}
+    {%- if hasdoc('search') %}
+        <link rel="search" title="{{ _('Search') }}" href="{{ pathto('search') }}"/>
+    {%- endif %}
+    {%- if hasdoc('copyright') %}
+        <link rel="copyright" title="{{ _('Copyright') }}" href="{{ pathto('copyright') }}"/>
+    {%- endif %}
+    <link rel="top" title="{{ docstitle|e }}" href="{{ pathto('index') }}"/>
+    {%- if parents %}
+        <link rel="up" title="{{ parents[-1].title|striptags|e }}" href="{{ parents[-1].link|e }}"/>
+    {%- endif %}
+    {%- if next %}
+        <link rel="next" title="{{ next.title|striptags|e }}" href="{{ next.link|e }}"/>
+    {%- endif %}
+    {%- if prev %}
+        <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}"/>
+    {%- endif %}
+  {%- endblock %}
+  {%- block extrahead %} {% endblock %}
+
+  {# Keep modernizr in head - http://modernizr.com/docs/#installing #}
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
+
+</head>
+
+<body class="wy-body-for-nav" role="document">
+
+  <div class="wy-grid-for-nav">
+
+    {# SIDE NAV, TOGGLES ON MOBILE #}
+    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
+      <div class="wy-side-nav-search">
+        {% block sidebartitle %}
+          <a href="{{ pathto(master_doc) }}" class="fa fa-home"> {{ project }}</a>
+        {% endblock %}
+        {% include "searchbox.html" %}
+      </div>
+
+      <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
+        {% set toctree = toctree(maxdepth=2, collapse=False, includehidden=True) %}
+        {% if toctree %}
+            {{ toctree }}
+        {% else %}
+            <!-- Local TOC -->
+            <div class="local-toc">{{ toc }}</div>
+        {% endif %}
+      </div>
+      &nbsp;
+    </nav>
+
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+      {# MOBILE NAV, TRIGGLES SIDE NAV ON TOGGLE #}
+      <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
+        <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+        <a href="{{ pathto(master_doc) }}">{{ project }}</a>
+      </nav>
+
+
+      {# PAGE CONTENT #}
+      <div class="wy-nav-content">
+        <div class="rst-content">
+          {% include "breadcrumbs.html" %}
+          <div role="main" class="document">
+            {% block body %}{% endblock %}
+          </div>
+          {% include "footer.html" %}
+        </div>
+      </div>
+
+    </section>
+
+  </div>
+  {% include "versions.html" %}
+
+  {% if not embedded %}
+
+    <script type="text/javascript">
+        var DOCUMENTATION_OPTIONS = {
+            URL_ROOT:'{{ url_root }}',
+            VERSION:'{{ release|e }}',
+            COLLAPSE_INDEX:false,
+            FILE_SUFFIX:'{{ '' if no_search_suffix else file_suffix }}',
+            HAS_SOURCE:  {{ has_source|lower }}
+        };
+    </script>
+    {%- for scriptfile in script_files %}
+      <script type="text/javascript" src="{{ pathto(scriptfile, 1) }}"></script>
+    {%- endfor %}
+
+  {% endif %}
+
+  {# RTD hosts this file, so just load on non RTD builds #}
+  {% if not READTHEDOCS %}
+    <script type="text/javascript" src="{{ pathto('_static/js/theme.js', 1) }}"></script>
+  {% endif %}
+
+  {# STICKY NAVIGATION #}
+  {% if theme_sticky_navigation %}
+  <script type="text/javascript">
+      jQuery(function () {
+          SphinxRtdTheme.StickyNav.enable();
+      });
+  </script>
+  {% endif %}
+
+  {%- block footer %} {% endblock %}
+
+</body>
+</html>

doc/_themes/sphinx_rtd_theme/layout_old.html

@@ -0,0 +1,205 @@
+{#
+    basic/layout.html
+    ~~~~~~~~~~~~~~~~~
+
+    Master layout template for Sphinx themes.
+
+    :copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+#}
+{%- block doctype -%}
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+{%- endblock %}
+{%- set reldelim1 = reldelim1 is not defined and ' &raquo;' or reldelim1 %}
+{%- set reldelim2 = reldelim2 is not defined and ' |' or reldelim2 %}
+{%- set render_sidebar = (not embedded) and (not theme_nosidebar|tobool) and
+                         (sidebars != []) %}
+{%- set url_root = pathto('', 1) %}
+{# XXX necessary? #}
+{%- if url_root == '#' %}{% set url_root = '' %}{% endif %}
+{%- if not embedded and docstitle %}
+  {%- set titlesuffix = " &mdash; "|safe + docstitle|e %}
+{%- else %}
+  {%- set titlesuffix = "" %}
+{%- endif %}
+
+{%- macro relbar() %}
+    <div class="related">
+      <h3>{{ _('Navigation') }}</h3>
+      <ul>
+        {%- for rellink in rellinks %}
+        <li class="right" {% if loop.first %}style="margin-right: 10px"{% endif %}>
+          <a href="{{ pathto(rellink[0]) }}" title="{{ rellink[1]|striptags|e }}"
+             {{ accesskey(rellink[2]) }}>{{ rellink[3] }}</a>
+          {%- if not loop.first %}{{ reldelim2 }}{% endif %}</li>
+        {%- endfor %}
+        {%- block rootrellink %}
+        <li><a href="{{ pathto(master_doc) }}">{{ shorttitle|e }}</a>{{ reldelim1 }}</li>
+        {%- endblock %}
+        {%- for parent in parents %}
+          <li><a href="{{ parent.link|e }}" {% if loop.last %}{{ accesskey("U") }}{% endif %}>{{ parent.title }}</a>{{ reldelim1 }}</li>
+        {%- endfor %}
+        {%- block relbaritems %} {% endblock %}
+      </ul>
+    </div>
+{%- endmacro %}
+
+{%- macro sidebar() %}
+      {%- if render_sidebar %}
+      <div class="sphinxsidebar">
+        <div class="sphinxsidebarwrapper">
+          {%- block sidebarlogo %}
+          {%- if logo %}
+            <p class="logo"><a href="{{ pathto(master_doc) }}">
+              <img class="logo" src="{{ pathto('_static/' + logo, 1) }}" alt="Logo"/>
+            </a></p>
+          {%- endif %}
+          {%- endblock %}
+          {%- if sidebars != None %}
+            {#- new style sidebar: explicitly include/exclude templates #}
+            {%- for sidebartemplate in sidebars %}
+            {%- include sidebartemplate %}
+            {%- endfor %}
+          {%- else %}
+            {#- old style sidebars: using blocks -- should be deprecated #}
+            {%- block sidebartoc %}
+            {%- include "localtoc.html" %}
+            {%- endblock %}
+            {%- block sidebarrel %}
+            {%- include "relations.html" %}
+            {%- endblock %}
+            {%- block sidebarsourcelink %}
+            {%- include "sourcelink.html" %}
+            {%- endblock %}
+            {%- if customsidebar %}
+            {%- include customsidebar %}
+            {%- endif %}
+            {%- block sidebarsearch %}
+            {%- include "searchbox.html" %}
+            {%- endblock %}
+          {%- endif %}
+        </div>
+      </div>
+      {%- endif %}
+{%- endmacro %}
+
+{%- macro script() %}
+    <script type="text/javascript">
+      var DOCUMENTATION_OPTIONS = {
+        URL_ROOT:    '{{ url_root }}',
+        VERSION:     '{{ release|e }}',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '{{ '' if no_search_suffix else file_suffix }}',
+        HAS_SOURCE:  {{ has_source|lower }}
+      };
+    </script>
+    {%- for scriptfile in script_files %}
+    <script type="text/javascript" src="{{ pathto(scriptfile, 1) }}"></script>
+    {%- endfor %}
+{%- endmacro %}
+
+{%- macro css() %}
+    <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
+    <link rel="stylesheet" href="{{ pathto('_static/pygments.css', 1) }}" type="text/css" />
+    {%- for cssfile in css_files %}
+    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
+    {%- endfor %}
+{%- endmacro %}
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset={{ encoding }}" />
+    {{ metatags }}
+    {%- block htmltitle %}
+    <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
+    {%- endblock %}
+    {{ css() }}
+    {%- if not embedded %}
+    {{ script() }}
+    {%- if use_opensearch %}
+    <link rel="search" type="application/opensearchdescription+xml"
+          title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}"
+          href="{{ pathto('_static/opensearch.xml', 1) }}"/>
+    {%- endif %}
+    {%- if favicon %}
+    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
+    {%- endif %}
+    {%- endif %}
+{%- block linktags %}
+    {%- if hasdoc('about') %}
+    <link rel="author" title="{{ _('About these documents') }}" href="{{ pathto('about') }}" />
+    {%- endif %}
+    {%- if hasdoc('genindex') %}
+    <link rel="index" title="{{ _('Index') }}" href="{{ pathto('genindex') }}" />
+    {%- endif %}
+    {%- if hasdoc('search') %}
+    <link rel="search" title="{{ _('Search') }}" href="{{ pathto('search') }}" />
+    {%- endif %}
+    {%- if hasdoc('copyright') %}
+    <link rel="copyright" title="{{ _('Copyright') }}" href="{{ pathto('copyright') }}" />
+    {%- endif %}
+    <link rel="top" title="{{ docstitle|e }}" href="{{ pathto('index') }}" />
+    {%- if parents %}
+    <link rel="up" title="{{ parents[-1].title|striptags|e }}" href="{{ parents[-1].link|e }}" />
+    {%- endif %}
+    {%- if next %}
+    <link rel="next" title="{{ next.title|striptags|e }}" href="{{ next.link|e }}" />
+    {%- endif %}
+    {%- if prev %}
+    <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}" />
+    {%- endif %}
+{%- endblock %}
+{%- block extrahead %} {% endblock %}
+  </head>
+  <body>
+{%- block header %}{% endblock %}
+
+{%- block relbar1 %}{{ relbar() }}{% endblock %}
+
+{%- block content %}
+  {%- block sidebar1 %} {# possible location for sidebar #} {% endblock %}
+
+    <div class="document">
+  {%- block document %}
+      <div class="documentwrapper">
+      {%- if render_sidebar %}
+        <div class="bodywrapper">
+      {%- endif %}
+          <div class="body">
+            {% block body %} {% endblock %}
+          </div>
+      {%- if render_sidebar %}
+        </div>
+      {%- endif %}
+      </div>
+  {%- endblock %}
+
+  {%- block sidebar2 %}{{ sidebar() }}{% endblock %}
+      <div class="clearer"></div>
+    </div>
+{%- endblock %}
+
+{%- block relbar2 %}{{ relbar() }}{% endblock %}
+
+{%- block footer %}
+    <div class="footer">
+    {%- if show_copyright %}
+      {%- if hasdoc('copyright') %}
+        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
+      {%- else %}
+        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
+      {%- endif %}
+    {%- endif %}
+    {%- if last_updated %}
+      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
+    {%- endif %}
+    {%- if show_sphinx %}
+      {% trans sphinx_version=sphinx_version|e %}Created using <a href="http://sphinx-doc.org/">Sphinx</a> {{ sphinx_version }}.{% endtrans %}
+    {%- endif %}
+    </div>
+    <p>asdf asdf asdf asdf 22</p>
+{%- endblock %}
+  </body>
+</html>
+

doc/_themes/sphinx_rtd_theme/search.html

@@ -0,0 +1,50 @@
+{#
+    basic/search.html
+    ~~~~~~~~~~~~~~~~~
+
+    Template for the search page.
+
+    :copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+#}
+{%- extends "layout.html" %}
+{% set title = _('Search') %}
+{% set script_files = script_files + ['_static/searchtools.js'] %}
+{% block footer %}
+  <script type="text/javascript">
+    jQuery(function() { Search.loadIndex("{{ pathto('searchindex.js', 1) }}"); });
+  </script>
+  {# this is used when loading the search index using $.ajax fails,
+     such as on Chrome for documents on localhost #}
+  <script type="text/javascript" id="searchindexloader"></script>
+  {{ super() }}
+{% endblock %}
+{% block body %}
+  <noscript>
+  <div id="fallback" class="admonition warning">
+    <p class="last">
+      {% trans %}Please activate JavaScript to enable the search
+      functionality.{% endtrans %}
+    </p>
+  </div>
+  </noscript>
+
+  {% if search_performed %}
+    <h2>{{ _('Search Results') }}</h2>
+    {% if not search_results %}
+      <p>{{ _('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.') }}</p>
+    {% endif %}
+  {% endif %}
+  <div id="search-results">
+  {% if search_results %}
+    <ul>
+    {% for href, caption, context in search_results %}
+      <li>
+        <a href="{{ pathto(item.href) }}">{{ caption }}</a>
+        <p class="context">{{ context|e }}</p>
+      </li>
+    {% endfor %}
+    </ul>
+  {% endif %}
+  </div>
+{% endblock %}

doc/_themes/sphinx_rtd_theme/searchbox.html

@@ -0,0 +1,7 @@
+<div role="search">
+  <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>

doc/_themes/sphinx_rtd_theme/static/css/badge_only.css

@@ -0,0 +1,2 @@
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+<glyph unicode="&#xf19e;" horiz-adv-x="1792" />
+<glyph unicode="&#xf500;" horiz-adv-x="1792" />
+</font>
+</defs></svg> 

doc/_themes/sphinx_rtd_theme/static/js/theme.js

@@ -0,0 +1,47 @@
+$( document ).ready(function() {
+    // Shift nav in mobile when clicking the menu.
+    $(document).on('click', "[data-toggle='wy-nav-top']", function() {
+      $("[data-toggle='wy-nav-shift']").toggleClass("shift");
+      $("[data-toggle='rst-versions']").toggleClass("shift");
+    });
+    // Close menu when you click a link.
+    $(document).on('click', ".wy-menu-vertical .current ul li a", function() {
+      $("[data-toggle='wy-nav-shift']").removeClass("shift");
+      $("[data-toggle='rst-versions']").toggleClass("shift");
+    });
+    $(document).on('click', "[data-toggle='rst-current-version']", function() {
+      $("[data-toggle='rst-versions']").toggleClass("shift-up");
+    });  
+    // Make tables responsive
+    $("table.docutils:not(.field-list)").wrap("<div class='wy-table-responsive'></div>");
+});
+
+window.SphinxRtdTheme = (function (jquery) {
+    var stickyNav = (function () {
+        var navBar,
+            win,
+            stickyNavCssClass = 'stickynav',
+            applyStickNav = function () {
+                if (navBar.height() <= win.height()) {
+                    navBar.addClass(stickyNavCssClass);
+                } else {
+                    navBar.removeClass(stickyNavCssClass);
+                }
+            },
+            enable = function () {
+                applyStickNav();
+                win.on('resize', applyStickNav);
+            },
+            init = function () {
+                navBar = jquery('nav.wy-nav-side:first');
+                win    = jquery(window);
+            };
+        jquery(init);
+        return {
+            enable : enable
+        };
+    }());
+    return {
+        StickyNav : stickyNav
+    };
+}($));

doc/_themes/sphinx_rtd_theme/theme.conf

@@ -0,0 +1,8 @@
+[theme]
+inherit = basic
+stylesheet = css/theme.css
+
+[options]
+typekit_id = hiw1hhg
+analytics_id = 
+sticky_navigation = False

doc/_themes/sphinx_rtd_theme/versions.html

@@ -0,0 +1,37 @@
+{% if READTHEDOCS %}
+{# Add rst-badge after rst-versions for small badge style. #}
+  <div class="rst-versions" data-toggle="rst-versions" role="note" aria-label="versions">
+    <span class="rst-current-version" data-toggle="rst-current-version">
+      <span class="fa fa-book"> Read the Docs</span>
+      v: {{ current_version }}
+      <span class="fa fa-caret-down"></span>
+    </span>
+    <div class="rst-other-versions">
+      <dl>
+        <dt>Versions</dt>
+        {% for slug, url in versions %}
+          <dd><a href="{{ url }}">{{ slug }}</a></dd>
+        {% endfor %}
+      </dl>
+      <dl>
+        <dt>Downloads</dt>
+        {% for type, url in downloads %}
+          <dd><a href="{{ url }}">{{ type }}</a></dd>
+        {% endfor %}
+      </dl>
+      <dl>
+        <dt>On Read the Docs</dt>
+          <dd>
+            <a href="//{{ PRODUCTION_DOMAIN }}/projects/{{ slug }}/?fromdocs={{ slug }}">Project Home</a>
+          </dd>
+          <dd>
+            <a href="//{{ PRODUCTION_DOMAIN }}/builds/{{ slug }}/?fromdocs={{ slug }}">Builds</a>
+          </dd>
+      </dl>
+      <hr/>
+      Free document hosting provided by <a href="http://www.readthedocs.org">Read the Docs</a>.
+
+    </div>
+  </div>
+{% endif %}
+

doc/apiref-header.rst

@@ -14,9 +14,20 @@ The header files are also available online: :doc:`nghttp2.h` and
 Remarks
 -------
 
-Do not call `nghttp2_session_send`, `nghttp2_session_recv` or
+Do not call `nghttp2_session_send()`, `nghttp2_session_mem_send()`,
-`nghttp2_session_mem_recv` from the nghttp2 callback functions
+`nghttp2_session_recv()` or `nghttp2_session_mem_recv()` from the
-directly or indirectly. It will lead to the crash. You can submit
+nghttp2 callback functions directly or indirectly. It will lead to the
-requests or frames in the callbacks then call `nghttp2_session_send`,
+crash.  You can submit requests or frames in the callbacks then call
-`nghttp2_session_recv` or `nghttp2_session_mem_recv` outside of the
+these functions outside the callbacks.
-callbacks.
+
+Currently, `nghttp2_session_send()` and `nghttp2_session_mem_send()`
+do not send client connection preface
+(:macro:`NGHTTP2_CLIENT_CONNECTION_PREFACE`).  The applications are
+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 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/building-android-binary.rst.in

@@ -0,0 +1 @@
+.. include:: @top_srcdir@/doc/sources/building-android-binary.rst

doc/conf.py.in

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012 Tatsuhiro Tsujikawa
 
@@ -51,7 +51,7 @@ import sys, os
 extensions = []
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ['@top_srcdir@/_templates']
 
 # The suffix of source filenames.
 source_suffix = '.rst'
@@ -64,7 +64,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'nghttp2'
-copyright = u'2012, 2013, Tatsuhiro Tsujikawa'
+copyright = u'2012, 2014, 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
@@ -87,7 +87,7 @@ release = '@PACKAGE_VERSION@'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = ['manual', 'README.rst', '*-header.rst']
+exclude_patterns = ['manual', 'README.rst', '*-header.rst', 'sources']
 
 # The reST default role (used for this markup: `text`) to use for all documents.
 default_role = 'c:func'
@@ -118,25 +118,15 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'sphinx_rtd_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-html_theme_options = {'bodyfont':'roboto, sans-serif',
+#html_theme_options = {}
-                      'headfont':'roboto, "Trebuchet MS", sans-serif',
-                      'relbarbgcolor':'#fff',
-                      'relbartextcolor':'#444',
-                      'relbarlinkcolor':'#444',
-                      'sidebarbgcolor':'none',
-                      'sidebartextcolor':'#444',
-                      'sidebarlinkcolor':'#444',
-                      'headbgcolor':'none',
-                      'footerbgcolor':'none',
-                      'footertextcolor':'#444'}
 
 # Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
+html_theme_path = ['@top_srcdir@/doc/_themes']
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
@@ -157,7 +147,7 @@ html_theme_options = {'bodyfont':'roboto, sans-serif',
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static/default2.css']
+#html_static_path = []
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
@@ -165,7 +155,7 @@ html_static_path = ['_static/default2.css']
 
 # 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 = {
@@ -187,7 +177,8 @@ html_sidebars = {
 #html_split_index = False
 
 # If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
+html_show_sourcelink = False
+html_copy_source = False
 
 # If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
 #html_show_sphinx = True
@@ -254,6 +245,3 @@ man_pages = [
     ('index', 'nghttp2', u'nghttp2 Documentation',
      [u'Tatsuhiro Tsujikawa'], 1)
 ]
-
-def setup(app):
-    app.add_stylesheet('default2.css')

doc/contribute.rst.in

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

doc/h2load-howto.rst.in

@@ -0,0 +1 @@
+.. include:: @top_srcdir@/doc/sources/h2load-howto.rst

doc/h2load.1

@@ -0,0 +1,75 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.4.
+.TH H2LOAD "1" "November 2014" "h2load nghttp2/0.6.7" "User Commands"
+.SH NAME
+h2load \- HTTP/2 benchmarking tool
+.SH SYNOPSIS
+.B h2load
+[\fI\,OPTIONS\/\fR]... [\fI\,URI\/\fR]...
+.SH DESCRIPTION
+benchmarking tool for HTTP/2 and SPDY server
+.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
+.TP
+\fB\-c\fR, \fB\-\-clients=\fR<N>
+Number of concurrent clients. Default: 1
+.TP
+\fB\-t\fR, \fB\-\-threads=\fR<N>
+Number of native threads. Default: 1
+.TP
+\fB\-i\fR, \fB\-\-input\-file=\fR<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.
+.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
+.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.
+.TP
+\fB\-W\fR, \fB\-\-connection\-window\-bits=\fR<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.
+.TP
+\fB\-H\fR, \fB\-\-header=\fR<HEADER>
+Add/Override a header to the requests.
+.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
+.TP
+\fB\-v\fR, \fB\-\-verbose\fR
+Output debug information.
+.TP
+\fB\-\-version\fR
+Display version information and exit.
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Display this help and exit.
+.SH "SEE ALSO"
+
+nghttp(1), nghttpd(1), nghttpx(1)

doc/h2load.1.rst

@@ -0,0 +1,113 @@
+.. DO NOT MODIFY THIS FILE!  It was generated by man2rst.py
+
+.. program:: h2load
+
+h2load(1)
+=========
+
+NAME
+----
+h2load - HTTP/2 benchmarking tool
+
+SYNOPSIS
+--------
+**h2load** [OPTIONS]... [URI]...
+
+DESCRIPTION
+-----------
+benchmarking tool for HTTP/2 and SPDY server
+
+.. option:: 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.
+
+OPTIONS
+-------
+
+.. option:: -n, --requests=<N>
+
+    Number of requests. Default: 1
+
+.. option:: -c, --clients=<N>
+
+    
+    Number of concurrent clients. Default: 1
+
+.. option:: -t, --threads=<N>
+
+    
+    Number of native threads. 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.  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.
+
+.. 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.
+
+.. 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
+    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)

doc/h2load.h2m

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

doc/index.rst

@@ -1,32 +0,0 @@
-.. nghttp2 documentation master file, created by
-   sphinx-quickstart on Sun Mar 11 22:57:49 2012.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-nghttp2 - HTTP/2.0 C Library
-============================
-
-This is an experimental implementation of Hypertext Transfer Protocol
-version 2.0.
-
-Contents:
-
-.. toctree::
-   :maxdepth: 2
-
-   package_README
-   apiref
-   nghttp2.h
-   nghttp2ver.h
-
-Released Versions
-=================
-
-* `v0.1.0 <released-versions/v0.1.0/>`_ `(Download) <https://github.com/tatsuhiro-t/nghttp2/releases/tag/v0.1.0>`_
-
-
-Resources
----------
-
-* http://tools.ietf.org/html/draft-ietf-httpbis-http2-07
-* http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-04

doc/index.rst.in

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

doc/libnghttp2_asio.rst.in

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

doc/mkapiref.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012 Tatsuhiro Tsujikawa
 
@@ -128,7 +128,7 @@ def process_enum(infile):
             member_name = items[0]
             if len(items) >= 3:
                 member_content.insert(0, '(``{}``) '\
-                                          .format(items[2].rstrip(',')))
+                                      .format(' '.join(items[2:]).rstrip(',')))
             members.append((member_name, member_content))
         elif line.startswith('}'):
             enum_name = line.rstrip().split()[1]
@@ -199,9 +199,9 @@ def transform_content(content):
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description="Generate API reference")
-    parser.add_argument('--header', type=argparse.FileType('rb', 0),
+    parser.add_argument('--header', type=argparse.FileType('r'),
                         help='header inserted at the top of the page')
-    parser.add_argument('files', nargs='+', type=argparse.FileType('rb', 0),
+    parser.add_argument('files', nargs='+', type=argparse.FileType('r'),
                         help='source file')
     args = parser.parse_args()
     if args.header:

doc/nghttp.1

@@ -0,0 +1,123 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.4.
+.TH NGHTTP "1" "November 2014" "nghttp nghttp2/0.6.7" "User Commands"
+.SH NAME
+nghttp \- HTTP/2 experimental client
+.SH SYNOPSIS
+.B nghttp
+[\fI\,OPTIONS\/\fR]... \fI\,<URI>\/\fR...
+.SH DESCRIPTION
+HTTP/2 experimental client
+.TP
+<URI>
+Specify URI to access.
+.SH OPTIONS
+.TP
+\fB\-v\fR, \fB\-\-verbose\fR
+Print  debug information  such  as reception  and
+transmission  of  frames  and  name/value  pairs.
+Specifying this  option multiple  times increases
+verbosity.
+.TP
+\fB\-n\fR, \fB\-\-null\-out\fR
+Discard downloaded data.
+.TP
+\fB\-O\fR, \fB\-\-remote\-name\fR
+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.
+.TP
+\fB\-t\fR, \fB\-\-timeout=\fR<N>
+Timeout each request after <N> seconds.
+.TP
+\fB\-w\fR, \fB\-\-window\-bits=\fR<N>
+Sets  the stream  level  initial  window size  to
+2**<N>\-1.
+.TP
+\fB\-W\fR, \fB\-\-connection\-window\-bits=\fR<N>
+Sets the connection level  initial window size to
+2**<N>\-1.
+.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.   nghttp
+prioritizes  resources  using  HTTP/2  dependency
+based priority.  The priority order, from highest
+to lowest,  is html  itself, css,  javascript and
+images.
+.TP
+\fB\-s\fR, \fB\-\-stat\fR
+Print statistics.
+.TP
+\fB\-H\fR, \fB\-\-header=\fR<HEADER>
+Add   a  header   to   the  requests.    Example:
+\fB\-H\fR':method: PUT'
+.TP
+\fB\-\-cert=\fR<CERT>
+Use the  specified client certificate  file.  The
+file must be in PEM format.
+.TP
+\fB\-\-key=\fR<KEY>
+Use the  client private key file.   The file must
+be in PEM format.
+.TP
+\fB\-d\fR, \fB\-\-data=\fR<FILE>
+Post FILE to  server. If '\-' is  given, data will
+be read from stdin.
+.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.
+.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.
+.TP
+\fB\-p\fR, \fB\-\-weight=\fR<WEIGHT>
+Sets  priority  group  weight.  The  valid  value
+range is [1, 256], inclusive.
+Default: 16
+.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.
+.TP
+\fB\-c\fR, \fB\-\-header\-table\-size=\fR<N>
+Specify decoder header table size.
+.TP
+\fB\-b\fR, \fB\-\-padding=\fR<N>
+Add  at most  <N>  bytes to  a  frame payload  as
+padding.  Specify 0 to disable padding.
+.TP
+\fB\-r\fR, \fB\-\-har=\fR<FILE>
+Output  HTTP transactions  <FILE> in  HAR format.
+If '\-' is given, data is written to stdout.
+.TP
+\fB\-\-color\fR
+Force colored log output.
+.TP
+\fB\-\-continuation\fR
+Send large header to test CONTINUATION.
+.TP
+\fB\-\-no\-content\-length\fR
+Don't send content\-length header field.
+.TP
+\fB\-\-no\-dep\fR
+Don't  send  dependency  based priority  hint  to
+server.
+.TP
+\fB\-\-version\fR
+Display version information and exit.
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Display this help and exit.
+.SH "SEE ALSO"
+
+nghttpd(1), nghttpx(1), h2load(1)

doc/nghttp.1.rst

@@ -0,0 +1,187 @@
+.. DO NOT MODIFY THIS FILE!  It was generated by man2rst.py
+
+.. program:: nghttp
+
+nghttp(1)
+=========
+
+NAME
+----
+nghttp - HTTP/2 experimental client
+
+SYNOPSIS
+--------
+**nghttp** [OPTIONS]... <URI>...
+
+DESCRIPTION
+-----------
+HTTP/2 experimental client
+
+.. option:: URI
+
+    Specify URI to access.
+
+OPTIONS
+-------
+
+.. option:: -v, --verbose
+
+    
+    Print  debug information  such  as reception  and
+    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.
+
+.. option:: -t, --timeout=<N>
+
+    
+    Timeout each request after <N> seconds.
+
+.. option:: -w, --window-bits=<N>
+
+    
+    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.   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=<HEADER>
+
+    
+    Add   a  header   to   the  requests.    Example:
+    -H':method: PUT'
+
+.. option:: --cert=<CERT>
+
+    
+    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.
+
+.. option:: -d, --data=<FILE>
+
+    
+    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.
+
+.. 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.
+
+.. option:: -p, --weight=<WEIGHT>
+
+    
+    Sets  priority  group  weight.  The  valid  value
+    range is [1, 256], inclusive.
+    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.
+
+.. option:: -c, --header-table-size=<N>
+
+    
+    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.
+
+.. 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:: --no-dep
+
+    
+    Don't  send  dependency  based priority  hint  to
+    server.
+
+.. option:: --version
+
+    
+    Display version information and exit.
+
+.. option:: -h, --help
+
+    
+    Display this help and exit.
+
+SEE ALSO
+--------
+
+nghttpd(1), nghttpx(1), h2load(1)

doc/nghttp.h2m

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

doc/nghttp2.h.rst

@@ -1,4 +0,0 @@
-nghttp2.h
-=========
-
-.. literalinclude:: ../lib/includes/nghttp2/nghttp2.h

doc/nghttp2.h.rst.in

@@ -0,0 +1,4 @@
+nghttp2.h
+=========
+
+.. literalinclude:: @top_srcdir@/lib/includes/nghttp2/nghttp2.h

doc/nghttp2ver.h.rst

@@ -1,4 +0,0 @@
-nghttp2ver.h
-============
-
-.. literalinclude:: ../lib/includes/nghttp2/nghttp2ver.h

doc/nghttp2ver.h.rst.in

@@ -0,0 +1,4 @@
+nghttp2ver.h
+============
+
+.. literalinclude:: @top_builddir@/lib/includes/nghttp2/nghttp2ver.h

doc/nghttpd.1

@@ -0,0 +1,93 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.4.
+.TH NGHTTPD "1" "November 2014" "nghttpd nghttp2/0.6.7" "User Commands"
+.SH NAME
+nghttpd \- HTTP/2 experimental server
+.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
+.SH DESCRIPTION
+HTTP/2 experimental server
+.TP
+<PORT>
+Specify listening port number.
+.TP
+<PRIVATE_KEY>
+Set  path  to  server's  private  key.   Required
+unless \fB\-\-no\-tls\fR is specified.
+.TP
+<CERT>
+Set  path  to   server's  certificate.   Required
+unless \fB\-\-no\-tls\fR is specified.
+.SH OPTIONS
+.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.
+.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.
+.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.
+.TP
+\fB\-v\fR, \fB\-\-verbose\fR
+Print  debug   information  such   as  reception/
+transmission of frames and name/value pairs.
+.TP
+\fB\-\-no\-tls\fR
+Disable SSL/TLS.
+.TP
+\fB\-c\fR, \fB\-\-header\-table\-size=\fR<N>
+Specify decoder header table size.
+.TP
+\fB\-\-color\fR
+Force colored log output.
+.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
+.TP
+\fB\-b\fR, \fB\-\-padding=\fR<N>
+Add  at most  <N>  bytes to  a  frame payload  as
+padding.  Specify 0 to disable padding.
+.TP
+\fB\-n\fR, \fB\-\-workers=\fR<CORE>
+Set the number of worker threads.
+Default: 1
+.TP
+\fB\-e\fR, \fB\-\-error\-gzip\fR
+Make error response gzipped.
+.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.
+.TP
+\fB\-\-early\-response\fR
+Start  sending response  when request  HEADERS is
+received,   rather  than   complete  request   is
+received.
+.TP
+\fB\-\-version\fR
+Display version information and exit.
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Display this help and exit.
+.SH "SEE ALSO"
+
+nghttp(1), nghttpx(1), h2load(1)

doc/nghttpd.1.rst

@@ -0,0 +1,138 @@
+.. DO NOT MODIFY THIS FILE!  It was generated by man2rst.py
+
+.. program:: nghttpd
+
+nghttpd(1)
+==========
+
+NAME
+----
+nghttpd - HTTP/2 experimental server
+
+SYNOPSIS
+--------
+**nghttpd** [OPTION]... <PORT> <PRIVATE_KEY> <CERT>
+
+**nghttpd** --no-tls [OPTION]... <PORT>
+
+DESCRIPTION
+-----------
+HTTP/2 experimental server
+
+.. option:: PORT
+
+    Specify listening port number.
+
+.. option:: PRIVATE_KEY
+
+    Set  path  to  server's  private  key.   Required
+    unless :option:`--no-tls` is specified.
+
+.. option:: CERT
+
+    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.
+
+.. 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.
+
+.. option:: -d, --htdocs=<PATH>
+
+    
+    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.
+
+.. option:: --no-tls
+
+    
+    Disable SSL/TLS.
+
+.. option:: -c, --header-table-size=<N>
+
+    
+    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
+
+.. option:: -b, --padding=<N>
+
+    
+    Add  at most  <N>  bytes to  a  frame payload  as
+    padding.  Specify 0 to disable padding.
+
+.. option:: -n, --workers=<CORE>
+
+    
+    Set the number of worker threads.
+    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.
+
+.. option:: --early-response
+
+    
+    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.
+
+SEE ALSO
+--------
+
+nghttp(1), nghttpx(1), h2load(1)

doc/nghttpd.h2m

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

doc/nghttpx-howto.rst.in

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

doc/nghttpx.1

@@ -0,0 +1,458 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.4.
+.TH NGHTTPX "1" "November 2014" "nghttpx nghttp2/0.6.7" "User Commands"
+.SH NAME
+nghttpx \- HTTP/2 experimental proxy
+.SH SYNOPSIS
+.B nghttpx
+[\fI\,OPTIONS\/\fR]... [\fI\,<PRIVATE_KEY> <CERT>\/\fR]
+.SH DESCRIPTION
+A reverse proxy for HTTP/2, HTTP/1 and SPDY.
+.TP
+<PRIVATE_KEY>
+Set  path  to  server's  private  key.   Required
+unless  \fB\-p\fR,  \fB\-\-client\fR  or  \fB\-\-frontend\-no\-tls\fR  are
+given.
+.TP
+<CERT>
+Set  path  to   server's  certificate.   Required
+unless  \fB\-p\fR,  \fB\-\-client\fR  or  \fB\-\-frontend\-no\-tls\fR  are
+given.
+.SH OPTIONS
+.IP
+The options are categorized into several groups.
+.SS "Connections:"
+.TP
+\fB\-b\fR, \fB\-\-backend=\fR<HOST,PORT>
+Set backend host and port.
+Default: '127.0.0.1,80'
+.TP
+\fB\-f\fR, \fB\-\-frontend=\fR<HOST,PORT>
+Set frontend host and port.  If <HOST> is '*', it
+assumes  all addresses  including  both IPv4  and
+IPv6.
+Default: '*,3000'
+.TP
+\fB\-\-backlog=\fR<NUM>
+Set  listen  backlog  size.    If  \fB\-1\fR  is  given,
+libevent will choose suitable value.
+Default: \fB\-1\fR
+.TP
+\fB\-\-backend\-ipv4\fR
+Resolve backend hostname to IPv4 address only.
+.TP
+\fB\-\-backend\-ipv6\fR
+Resolve backend hostname to IPv6 address only.
+.TP
+\fB\-\-backend\-http\-proxy\-uri=\fR<URI>
+Specify     proxy     URI     in     the     form
+http://[<USER>:<PASS>@]<PROXY>:<PORT>.     If   a
+proxy requires authentication, specify <USER> and
+<PASS>.    Note  that   they  must   be  properly
+percent\-encoded.   This proxy  is  used when  the
+backend  connection  is  HTTP/2.  First,  make  a
+CONNECT request  to the proxy and  it connects to
+the  backend on  behalf of  nghttpx.  This  forms
+tunnel.   After  that, nghttpx  performs  SSL/TLS
+handshake with the downstream through the tunnel.
+The timeouts  when connecting and  making CONNECT
+request       can      be       specified      by
+\fB\-\-backend\-read\-timeout\fR                        and
+\fB\-\-backend\-write\-timeout\fR options.
+.SS "Performance:"
+.TP
+\fB\-n\fR, \fB\-\-workers=\fR<CORES>
+Set the number of worker threads.
+Default: 1
+.TP
+\fB\-\-read\-rate=\fR<RATE>
+Set  maximum   average  read  rate   on  frontend
+connection.  Setting 0 to  this option means read
+rate is unlimited.
+Default: 0
+.TP
+\fB\-\-read\-burst=\fR<SIZE>
+Set   maximum  read   burst   size  on   frontend
+connection.  Setting  0 does not work,  but it is
+not  a problem  because  \fB\-\-read\-rate\fR=\fI\,0\/\fR will  give
+unlimited  read rate  regardless  of this  option
+value.
+Default: 1073741824
+.TP
+\fB\-\-write\-rate=\fR<RATE>
+Set  maximum  average   write  rate  on  frontend
+connection.  Setting 0 to this option means write
+rate is unlimited.
+Default: 0
+.TP
+\fB\-\-write\-burst=\fR<SIZE>
+Set   maximum  write   burst  size   on  frontend
+connection.  Setting 0 to this option means write
+burst size is unlimited.
+Default: 0
+.TP
+\fB\-\-worker\-read\-rate=\fR<RATE>
+Set  maximum   average  read  rate   on  frontend
+connection per worker.  Setting  0 to this option
+means read rate is unlimited.
+Default: 0
+.TP
+\fB\-\-worker\-read\-burst=\fR<SIZE>
+Set   maximum  read   burst   size  on   frontend
+connection per worker.  Setting  0 to this option
+means read burst size is unlimited.
+Default: 0
+.TP
+\fB\-\-worker\-write\-rate=\fR<RATE>
+Set  maximum  average   write  rate  on  frontend
+connection per worker.  Setting  0 to this option
+means write rate is unlimited.
+Default: 0
+.TP
+\fB\-\-worker\-write\-burst=\fR<SIZE>
+Set   maximum  write   burst  size   on  frontend
+connection per worker.  Setting  0 to this option
+means write burst size is unlimited.
+Default: 0
+.TP
+\fB\-\-worker\-frontend\-connections=\fR<NUM>
+Set  maximum number  of simultaneous  connections
+frontend accepts.  Setting 0 means unlimited.
+Default: 0
+.TP
+\fB\-\-backend\-connections\-per\-frontend=\fR<NUM>
+Set  maximum   number  of   backend  simultaneous
+connections   per  frontend.    This  option   is
+meaningful when the combination of HTTP/2 or SPDY
+frontend and HTTP/1 backend is used.
+Default: 100
+.SS "Timeout:"
+.TP
+\fB\-\-frontend\-http2\-read\-timeout=\fR<SEC>
+Specify read timeout for HTTP/2 and SPDY frontend
+connection.
+Default: 180
+.TP
+\fB\-\-frontend\-read\-timeout=\fR<SEC>
+Specify  read   timeout  for   HTTP/1.1  frontend
+connection.
+Default: 30
+.TP
+\fB\-\-frontend\-write\-timeout=\fR<SEC>
+Specify   write   timeout    for   all   frontend
+connections.
+Default: 30
+.TP
+\fB\-\-stream\-read\-timeout=\fR<SEC>
+Specify read timeout for HTTP/2 and SPDY streams.
+0 means no timeout.
+Default: 0
+.TP
+\fB\-\-stream\-write\-timeout=\fR<SEC>
+Specify  write   timeout  for  HTTP/2   and  SPDY
+streams.  0 means no timeout.
+Default: 0
+.TP
+\fB\-\-backend\-read\-timeout=\fR<SEC>
+Specify read timeout for backend connection.
+Default: 30
+.TP
+\fB\-\-backend\-write\-timeout=\fR<SEC>
+Specify write timeout for backend connection.
+Default: 30
+.TP
+\fB\-\-backend\-keep\-alive\-timeout=\fR<SEC>
+Specify    keep\-alive    timeout   for    backend
+connection.
+Default: 60
+.TP
+\fB\-\-listener\-disable\-timeout=\fR<SEC>
+After  accepting  connection  failed,  connection
+listener is disabled for a given time in seconds.
+Specifying 0 disables this feature.
+Default: 0
+.SS "SSL/TLS:"
+.TP
+\fB\-\-ciphers=\fR<SUITE>
+Set  allowed  cipher  list.  The  format  of  the
+string  is described  in OpenSSL  ciphers(1).
+.TP
+\fB\-k\fR, \fB\-\-insecure\fR
+Don't verify backend  server's certificate if \fB\-p\fR,
+\fB\-\-client\fR   or   \fB\-\-http2\-bridge\fR  are   given   and
+\fB\-\-backend\-no\-tls\fR is not given.
+.TP
+\fB\-\-cacert=\fR<PATH>
+Set path  to trusted  CA certificate file  if \fB\-p\fR,
+\fB\-\-client\fR   or   \fB\-\-http2\-bridge\fR  are   given   and
+\fB\-\-backend\-no\-tls\fR is not given.   The file must be
+in   PEM  format.    It   can  contain   multiple
+certificates.    If   the   linked   OpenSSL   is
+configured to load system wide certificates, they
+are loaded at startup regardless of this option.
+.TP
+\fB\-\-private\-key\-passwd\-file=\fR<FILEPATH>
+Path  to  file  that contains  password  for  the
+server's private  key.  If none is  given and the
+private  key  is   password  protected  it'll  be
+requested interactively.
+.TP
+\fB\-\-subcert=\fR<KEYPATH>:<CERTPATH>
+Specify  additional certificate  and private  key
+file.  nghttpx will  choose certificates based on
+the hostname  indicated by  client using  TLS SNI
+extension.   This  option  can be  used  multiple
+times.
+.TP
+\fB\-\-backend\-tls\-sni\-field=\fR<HOST>
+Explicitly  set  the  content   of  the  TLS  SNI
+extension.  This will default to the backend HOST
+name.
+.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.
+.TP
+\fB\-\-npn\-list=\fR<LIST>
+Comma delimited list  of ALPN protocol identifier
+sorted in  the order  of preference.   That means
+most  desirable protocol  comes  first.  This  is
+used in both ALPN and NPN.  The parameter must be
+delimited by  a single  comma only and  any white
+spaces are treated as a part of protocol string.
+Default: h2\-14,spdy/3.1,http/1.1
+.TP
+\fB\-\-verify\-client\fR
+Require and verify client certificate.
+.TP
+\fB\-\-verify\-client\-cacert=\fR<PATH>
+Path  to file  that contains  CA certificates  to
+verify client  certificate.  The file must  be in
+PEM    format.    It    can   contain    multiple
+certificates.
+.TP
+\fB\-\-client\-private\-key\-file=\fR<PATH>
+Path  to file  that contains  client private  key
+used in backend client authentication.
+.TP
+\fB\-\-client\-cert\-file=\fR<PATH>
+Path  to file  that  contains client  certificate
+used in backend client authentication.
+.TP
+\fB\-\-tls\-proto\-list=\fR<LIST>
+Comma delimited  list of  SSL/TLS protocol  to be
+enabled.  The following  protocols are available:
+TLSv1.2, TLSv1.1 and  TLSv1.0.  The name matching
+is   done   in  case\-insensitive   manner.    The
+parameter  must be  delimited by  a single  comma
+only and any  white spaces are treated  as a part
+of protocol string.
+Default: TLSv1.2,TLSv1.1
+.SS "HTTP/2 and SPDY:"
+.TP
+\fB\-c\fR, \fB\-\-http2\-max\-concurrent\-streams=\fR<NUM>
+Set the maximum number  of the concurrent streams
+in one HTTP/2 and SPDY session.
+Default: 100
+.TP
+\fB\-\-frontend\-http2\-window\-bits=\fR<N>
+Sets the per\-stream initial window size of HTTP/2
+SPDY frontend  connection.  For HTTP/2,  the size
+is 2**<N>\-1.  For SPDY, the size is 2**<N>.
+Default: 16
+.TP
+\fB\-\-frontend\-http2\-connection\-window\-bits=\fR<N>
+Sets the per\-connection window size of HTTP/2 and
+SPDY frontend  connection.  For HTTP/2,  the size
+is 2**<N>\-1. For SPDY, the size is 2**<N>.
+Default: 16
+.TP
+\fB\-\-frontend\-no\-tls\fR
+Disable SSL/TLS on frontend connections.
+.TP
+\fB\-\-backend\-http2\-window\-bits=\fR<N>
+Sets the  initial window  size of  HTTP/2 backend
+connection to 2**<N>\-1.
+Default: 16
+.TP
+\fB\-\-backend\-http2\-connection\-window\-bits=\fR<N>
+Sets  the per\-connection  window  size of  HTTP/2
+backend connection to 2**<N>\-1.
+Default: 16
+.TP
+\fB\-\-backend\-no\-tls\fR
+Disable SSL/TLS on backend connections.
+.TP
+\fB\-\-http2\-no\-cookie\-crumbling\fR
+Don't crumble cookie header field.
+.TP
+\fB\-\-padding=\fR<N>
+Add at most  <N> bytes to a  HTTP/2 frame payload
+as padding.  Specify 0  to disable padding.  This
+option  is meant  for debugging  purpose and  not
+intended to enhance protocol security.
+.SS "Mode:"
+.TP
+(default mode)
+Accept  HTTP/2, SPDY  and HTTP/1.1  over SSL/TLS.
+If \fB\-\-frontend\-no\-tls\fR  is used, accept  HTTP/2 and
+HTTP/1.1.  The  incoming HTTP/1.1  connection can
+be upgraded to HTTP/2  through HTTP Upgrade.  The
+protocol to the backend is HTTP/1.1.
+.TP
+\fB\-s\fR, \fB\-\-http2\-proxy\fR
+Like default mode, but enable secure proxy mode.
+.TP
+\fB\-\-http2\-bridge\fR
+Like  default  mode,  but  communicate  with  the
+backend  in   HTTP/2  over  SSL/TLS.    Thus  the
+incoming all connections  are converted to HTTP/2
+connection  and  relayed  to  the  backend.   See
+\fB\-\-backend\-http\-proxy\-uri\fR option if you are behind
+the  proxy and  want  to connect  to the  outside
+HTTP/2 proxy.
+.TP
+\fB\-\-client\fR
+Accept HTTP/2 and  HTTP/1.1 without SSL/TLS.  The
+incoming HTTP/1.1  connection can be  upgraded to
+HTTP/2  connection  through  HTTP  Upgrade.   The
+protocol  to  the  backend  is  HTTP/2.   To  use
+nghttpx  as  a  forward   proxy,  use  \fB\-p\fR  option
+instead.
+.TP
+\fB\-p\fR, \fB\-\-client\-proxy\fR
+Like \fB\-\-client\fR  option, but  it also  requires the
+request path  from frontend  must be  an absolute
+URI, suitable for use as a forward proxy.
+.SS "Logging:"
+.TP
+\fB\-L\fR, \fB\-\-log\-level=\fR<LEVEL>
+Set the  severity level  of log  output.  <LEVEL>
+must  be one  of  INFO, NOTICE,  WARN, ERROR  and
+FATAL.
+Default: NOTICE
+.TP
+\fB\-\-accesslog\-file=\fR<PATH>
+Set path  to write  access log.  To  reopen file,
+send USR1 signal to nghttpx.
+.TP
+\fB\-\-accesslog\-syslog\fR
+Send  access log  to syslog.   If this  option is
+used, \fB\-\-access\-file\fR option is ignored.
+.TP
+\fB\-\-accesslog\-format=\fR<FORMAT>
+Specify  format  string   for  access  log.   The
+default format is combined format.  The following
+variables are available:
+$remote_addr: client IP address.
+$time_local: local time in Common Log format.
+$time_iso8601: local time in ISO 8601 format.
+$request: HTTP request line.
+$status: HTTP response status code.
+$body_bytes_sent: the  number of bytes  sent to
+client as response body.
+$http_<VAR>: value of HTTP request header <VAR>
+where '_' in <VAR> is replaced with '\-'.
+$remote_port: client  port.
+$server_port: server port.
+$request_time:   request  processing   time  in
+seconds with milliseconds resolution.
+$pid: PID of the running process.
+$alpn:  ALPN  identifier  of the  protocol  which
+generates  the  response.   For HTTP/1,  ALPN  is
+always http/1.1, regardless of minor version.
+Default: $remote_addr \- \- [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent"
+.TP
+\fB\-\-errorlog\-file=\fR<PATH>
+Set  path to  write error  log.  To  reopen file,
+send USR1 signal to nghttpx.
+Default: \fI\,/dev/stderr\/\fP
+.TP
+\fB\-\-errorlog\-syslog\fR
+Send  error log  to  syslog.  If  this option  is
+used, \fB\-\-errorlog\-file\fR option is ignored.
+.TP
+\fB\-\-syslog\-facility=\fR<FACILITY>
+Set syslog facility to <FACILITY>.
+Default: daemon
+.SS "Misc:"
+.TP
+\fB\-\-add\-x\-forwarded\-for\fR
+Append  X\-Forwarded\-For   header  field   to  the
+downstream request.
+.TP
+\fB\-\-strip\-incoming\-x\-forwarded\-for\fR
+Strip  X\-Forwarded\-For  header field from inbound
+client requests.
+.TP
+\fB\-\-no\-via\fR
+Don't append to Via  header field.  If Via header
+field is received, it is left unaltered.
+.TP
+\fB\-\-no\-location\-rewrite\fR
+Don't   rewrite   location    header   field   on
+\fB\-\-http2\-bridge\fR, \fB\-\-client\fR  and default  mode.  For
+\fB\-\-http2\-proxy\fR  and \fB\-\-client\-proxy\fR  mode, location
+header field  will not  be altered  regardless of
+this option.
+.TP
+\fB\-\-altsvc=\fR<PROTOID,PORT[,HOST,[ORIGIN]]>
+Specify  protocol ID,  port, host  and origin  of
+alternative  service.   <HOST> and  <ORIGIN>  are
+optional.  They are  advertised in alt\-svc header
+field or HTTP/2 ALTSVC frame.  This option can be
+used   multiple   times   to   specify   multiple
+alternative services.  Example: \fB\-\-altsvc\fR=\fI\,h2\/\fR,443
+.TP
+\fB\-\-add\-response\-header=\fR<HEADER>
+Specify  additional   header  field  to   add  to
+response  header set.   This option  just appends
+header field  and won't replace  anything already
+set.  This  option can  be used several  times to
+specify multiple header fields.
+Example: \fB\-\-add\-response\-header=\fR"foo: bar"
+.TP
+\fB\-\-frontend\-http2\-dump\-request\-header=\fR<PATH>
+Dumps request headers received by HTTP/2 frontend
+to  the file  denoted in  <PATH>.  The  output is
+done  in  HTTP/1  header field  format  and  each
+header block is followed  by an empty line.  This
+option is  not thread safe  and MUST NOT  be used
+with option \fB\-n\fR<N>, where <N> >= 2.
+.TP
+\fB\-\-frontend\-http2\-dump\-response\-header=\fR<PATH>
+Dumps response headers  sent from HTTP/2 frontend
+to  the file  denoted in  <PATH>.  The  output is
+done  in  HTTP/1  header field  format  and  each
+header block is followed  by an empty line.  This
+option is  not thread safe  and MUST NOT  be used
+with option \fB\-n\fR<N>, where <N> >= 2.
+.TP
+\fB\-o\fR, \fB\-\-frontend\-frame\-debug\fR
+Print HTTP/2 frames in  frontend to stderr.  This
+option is  not thread safe  and MUST NOT  be used
+with option \fB\-n\fR=\fI\,N\/\fR, where N >= 2.
+.TP
+\fB\-D\fR, \fB\-\-daemon\fR
+Run in a background.  If  \fB\-D\fR is used, the current
+working directory is changed to '/'.
+.TP
+\fB\-\-pid\-file=\fR<PATH>
+Set path to save PID of this program.
+.TP
+\fB\-\-user=\fR<USER>
+Run  this  program  as <USER>.   This  option  is
+intended to be used to drop root privileges.
+.TP
+\fB\-\-conf=\fR<PATH>
+Load configuration from <PATH>.
+Default: \fI\,/etc/nghttpx/nghttpx.conf\/\fP
+.TP
+\fB\-v\fR, \fB\-\-version\fR
+Print version and exit.
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Print this help and exit.
+.SH "SEE ALSO"
+
+nghttp(1), nghttpd(1), h2load(1)

doc/nghttpx.1.rst

@@ -0,0 +1,638 @@
+.. DO NOT MODIFY THIS FILE!  It was generated by man2rst.py
+
+.. program:: nghttpx
+
+nghttpx(1)
+==========
+
+NAME
+----
+nghttpx - HTTP/2 experimental proxy
+
+SYNOPSIS
+--------
+**nghttpx** [OPTIONS]... [<PRIVATE_KEY> <CERT>]
+
+DESCRIPTION
+-----------
+A reverse proxy for HTTP/2, HTTP/1 and SPDY.
+
+.. option:: PRIVATE_KEY
+
+    Set  path  to  server's  private  key.   Required
+    unless  :option:`-p`,  :option:`--client`  or  :option:`--frontend-no-tls`  are
+    given.
+
+.. option:: CERT
+
+    Set  path  to   server's  certificate.   Required
+    unless  :option:`-p`,  :option:`--client`  or  :option:`--frontend-no-tls`  are
+    given.
+
+OPTIONS
+-------
+
+The options are categorized into several groups.
+
+Connections
+^^^^^^^^^^^
+
+.. option:: -b, --backend=<HOST,PORT>
+
+    
+    Set backend host and port.
+    Default: '127.0.0.1,80'
+
+.. option:: -f, --frontend=<HOST,PORT>
+
+    
+    Set frontend host and port.  If <HOST> is '\*', it
+    assumes  all addresses  including  both IPv4  and
+    IPv6.
+    Default: '\*,3000'
+
+.. option:: --backlog=<NUM>
+
+    
+    Set  listen  backlog  size.    If  -1  is  given,
+    libevent will choose suitable value.
+    Default: -1
+
+.. option:: --backend-ipv4
+
+    
+    Resolve backend hostname to IPv4 address only.
+
+.. option:: --backend-ipv6
+
+    
+    Resolve backend hostname to IPv6 address only.
+
+.. option:: --backend-http-proxy-uri=<URI>
+
+    
+    Specify     proxy     URI     in     the     form
+    http://[<USER>:<PASS>@]<PROXY>:<PORT>.     If   a
+    proxy requires authentication, specify <USER> and
+    <PASS>.    Note  that   they  must   be  properly
+    percent-encoded.   This proxy  is  used when  the
+    backend  connection  is  HTTP/2.  First,  make  a
+    CONNECT request  to the proxy and  it connects to
+    the  backend on  behalf of  nghttpx.  This  forms
+    tunnel.   After  that, nghttpx  performs  SSL/TLS
+    handshake with the downstream through the tunnel.
+    The timeouts  when connecting and  making CONNECT
+    request       can      be       specified      by
+    :option:`--backend-read-timeout`                        and
+    :option:`--backend-write-timeout` options.
+
+Performance
+^^^^^^^^^^^
+
+.. option:: -n, --workers=<CORES>
+
+    
+    Set the number of worker threads.
+    Default: 1
+
+.. option:: --read-rate=<RATE>
+
+    
+    Set  maximum   average  read  rate   on  frontend
+    connection.  Setting 0 to  this option means read
+    rate is unlimited.
+    Default: 0
+
+.. option:: --read-burst=<SIZE>
+
+    
+    Set   maximum  read   burst   size  on   frontend
+    connection.  Setting  0 does not work,  but it is
+    not  a problem  because  --read-rate=0 will  give
+    unlimited  read rate  regardless  of this  option
+    value.
+    Default: 1073741824
+
+.. option:: --write-rate=<RATE>
+
+    
+    Set  maximum  average   write  rate  on  frontend
+    connection.  Setting 0 to this option means write
+    rate is unlimited.
+    Default: 0
+
+.. option:: --write-burst=<SIZE>
+
+    
+    Set   maximum  write   burst  size   on  frontend
+    connection.  Setting 0 to this option means write
+    burst size is unlimited.
+    Default: 0
+
+.. option:: --worker-read-rate=<RATE>
+
+    
+    Set  maximum   average  read  rate   on  frontend
+    connection per worker.  Setting  0 to this option
+    means read rate is unlimited.
+    Default: 0
+
+.. option:: --worker-read-burst=<SIZE>
+
+    
+    Set   maximum  read   burst   size  on   frontend
+    connection per worker.  Setting  0 to this option
+    means read burst size is unlimited.
+    Default: 0
+
+.. option:: --worker-write-rate=<RATE>
+
+    
+    Set  maximum  average   write  rate  on  frontend
+    connection per worker.  Setting  0 to this option
+    means write rate is unlimited.
+    Default: 0
+
+.. option:: --worker-write-burst=<SIZE>
+
+    
+    Set   maximum  write   burst  size   on  frontend
+    connection per worker.  Setting  0 to this option
+    means write burst size is unlimited.
+    Default: 0
+
+.. option:: --worker-frontend-connections=<NUM>
+
+    
+    Set  maximum number  of simultaneous  connections
+    frontend accepts.  Setting 0 means unlimited.
+    Default: 0
+
+.. option:: --backend-connections-per-frontend=<NUM>
+
+    
+    Set  maximum   number  of   backend  simultaneous
+    connections   per  frontend.    This  option   is
+    meaningful when the combination of HTTP/2 or SPDY
+    frontend and HTTP/1 backend is used.
+    Default: 100
+
+Timeout
+^^^^^^^
+
+.. option:: --frontend-http2-read-timeout=<SEC>
+
+    
+    Specify read timeout for HTTP/2 and SPDY frontend
+    connection.
+    Default: 180
+
+.. option:: --frontend-read-timeout=<SEC>
+
+    
+    Specify  read   timeout  for   HTTP/1.1  frontend
+    connection.
+    Default: 30
+
+.. option:: --frontend-write-timeout=<SEC>
+
+    
+    Specify   write   timeout    for   all   frontend
+    connections.
+    Default: 30
+
+.. option:: --stream-read-timeout=<SEC>
+
+    
+    Specify read timeout for HTTP/2 and SPDY streams.
+    0 means no timeout.
+    Default: 0
+
+.. option:: --stream-write-timeout=<SEC>
+
+    
+    Specify  write   timeout  for  HTTP/2   and  SPDY
+    streams.  0 means no timeout.
+    Default: 0
+
+.. option:: --backend-read-timeout=<SEC>
+
+    
+    Specify read timeout for backend connection.
+    Default: 30
+
+.. option:: --backend-write-timeout=<SEC>
+
+    
+    Specify write timeout for backend connection.
+    Default: 30
+
+.. option:: --backend-keep-alive-timeout=<SEC>
+
+    
+    Specify    keep-alive    timeout   for    backend
+    connection.
+    Default: 60
+
+.. option:: --listener-disable-timeout=<SEC>
+
+    
+    After  accepting  connection  failed,  connection
+    listener is disabled for a given time in seconds.
+    Specifying 0 disables this feature.
+    Default: 0
+
+SSL/TLS
+^^^^^^^
+
+.. option:: --ciphers=<SUITE>
+
+    
+    Set  allowed  cipher  list.  The  format  of  the
+    string  is described  in OpenSSL  ciphers(1).
+
+.. option:: -k, --insecure
+
+    
+    Don't verify backend  server's certificate if :option:`-p`,
+    :option:`--client`   or   :option:`--http2-bridge`  are   given   and
+    :option:`--backend-no-tls` is not given.
+
+.. option:: --cacert=<PATH>
+
+    
+    Set path  to trusted  CA certificate file  if :option:`-p`,
+    :option:`--client`   or   :option:`--http2-bridge`  are   given   and
+    :option:`--backend-no-tls` is not given.   The file must be
+    in   PEM  format.    It   can  contain   multiple
+    certificates.    If   the   linked   OpenSSL   is
+    configured to load system wide certificates, they
+    are loaded at startup regardless of this option.
+
+.. option:: --private-key-passwd-file=<FILEPATH>
+
+    
+    Path  to  file  that contains  password  for  the
+    server's private  key.  If none is  given and the
+    private  key  is   password  protected  it'll  be
+    requested interactively.
+
+.. option:: --subcert=<KEYPATH>:<CERTPATH>
+
+    
+    Specify  additional certificate  and private  key
+    file.  nghttpx will  choose certificates based on
+    the hostname  indicated by  client using  TLS SNI
+    extension.   This  option  can be  used  multiple
+    times.
+
+.. option:: --backend-tls-sni-field=<HOST>
+
+    
+    Explicitly  set  the  content   of  the  TLS  SNI
+    extension.  This will default to the backend HOST
+    name.
+
+.. option:: --dh-param-file=<PATH>
+
+    
+    Path to  file that contains DH  parameters in PEM
+    format.  Without  this option, DHE  cipher suites
+    are not available.
+
+.. option:: --npn-list=<LIST>
+
+    
+    Comma delimited list  of ALPN protocol identifier
+    sorted in  the order  of preference.   That means
+    most  desirable protocol  comes  first.  This  is
+    used in both ALPN and NPN.  The parameter must be
+    delimited by  a single  comma only and  any white
+    spaces are treated as a part of protocol string.
+    Default: h2-14,spdy/3.1,http/1.1
+
+.. option:: --verify-client
+
+    
+    Require and verify client certificate.
+
+.. option:: --verify-client-cacert=<PATH>
+
+    
+    Path  to file  that contains  CA certificates  to
+    verify client  certificate.  The file must  be in
+    PEM    format.    It    can   contain    multiple
+    certificates.
+
+.. option:: --client-private-key-file=<PATH>
+
+    
+    Path  to file  that contains  client private  key
+    used in backend client authentication.
+
+.. option:: --client-cert-file=<PATH>
+
+    
+    Path  to file  that  contains client  certificate
+    used in backend client authentication.
+
+.. option:: --tls-proto-list=<LIST>
+
+    
+    Comma delimited  list of  SSL/TLS protocol  to be
+    enabled.  The following  protocols are available:
+    TLSv1.2, TLSv1.1 and  TLSv1.0.  The name matching
+    is   done   in  case-insensitive   manner.    The
+    parameter  must be  delimited by  a single  comma
+    only and any  white spaces are treated  as a part
+    of protocol string.
+    Default: TLSv1.2,TLSv1.1
+
+HTTP/2 and SPDY
+^^^^^^^^^^^^^^^
+
+.. option:: -c, --http2-max-concurrent-streams=<NUM>
+
+    
+    Set the maximum number  of the concurrent streams
+    in one HTTP/2 and SPDY session.
+    Default: 100
+
+.. option:: --frontend-http2-window-bits=<N>
+
+    
+    Sets the per-stream initial window size of HTTP/2
+    SPDY frontend  connection.  For HTTP/2,  the size
+    is 2\*\*<N>-1.  For SPDY, the size is 2\*\*<N>.
+    Default: 16
+
+.. option:: --frontend-http2-connection-window-bits=<N>
+
+    
+    Sets the per-connection window size of HTTP/2 and
+    SPDY frontend  connection.  For HTTP/2,  the size
+    is 2\*\*<N>-1. For SPDY, the size is 2\*\*<N>.
+    Default: 16
+
+.. option:: --frontend-no-tls
+
+    
+    Disable SSL/TLS on frontend connections.
+
+.. option:: --backend-http2-window-bits=<N>
+
+    
+    Sets the  initial window  size of  HTTP/2 backend
+    connection to 2\*\*<N>-1.
+    Default: 16
+
+.. option:: --backend-http2-connection-window-bits=<N>
+
+    
+    Sets  the per-connection  window  size of  HTTP/2
+    backend connection to 2\*\*<N>-1.
+    Default: 16
+
+.. option:: --backend-no-tls
+
+    
+    Disable SSL/TLS on backend connections.
+
+.. option:: --http2-no-cookie-crumbling
+
+    
+    Don't crumble cookie header field.
+
+.. option:: --padding=<N>
+
+    
+    Add at most  <N> bytes to a  HTTP/2 frame payload
+    as padding.  Specify 0  to disable padding.  This
+    option  is meant  for debugging  purpose and  not
+    intended to enhance protocol security.
+
+Mode
+^^^^
+
+.. describe:: (default mode)
+
+    Accept  HTTP/2, SPDY  and HTTP/1.1  over SSL/TLS.
+    If :option:`--frontend-no-tls`  is used, accept  HTTP/2 and
+    HTTP/1.1.  The  incoming HTTP/1.1  connection can
+    be upgraded to HTTP/2  through HTTP Upgrade.  The
+    protocol to the backend is HTTP/1.1.
+
+.. option:: -s, --http2-proxy
+
+    
+    Like default mode, but enable secure proxy mode.
+
+.. option:: --http2-bridge
+
+    
+    Like  default  mode,  but  communicate  with  the
+    backend  in   HTTP/2  over  SSL/TLS.    Thus  the
+    incoming all connections  are converted to HTTP/2
+    connection  and  relayed  to  the  backend.   See
+    :option:`--backend-http-proxy-uri` option if you are behind
+    the  proxy and  want  to connect  to the  outside
+    HTTP/2 proxy.
+
+.. option:: --client
+
+    
+    Accept HTTP/2 and  HTTP/1.1 without SSL/TLS.  The
+    incoming HTTP/1.1  connection can be  upgraded to
+    HTTP/2  connection  through  HTTP  Upgrade.   The
+    protocol  to  the  backend  is  HTTP/2.   To  use
+    nghttpx  as  a  forward   proxy,  use  :option:`-p`  option
+    instead.
+
+.. option:: -p, --client-proxy
+
+    
+    Like :option:`--client`  option, but  it also  requires the
+    request path  from frontend  must be  an absolute
+    URI, suitable for use as a forward proxy.
+
+Logging
+^^^^^^^
+
+.. option:: -L, --log-level=<LEVEL>
+
+    
+    Set the  severity level  of log  output.  <LEVEL>
+    must  be one  of  INFO, NOTICE,  WARN, ERROR  and
+    FATAL.
+    Default: NOTICE
+
+.. option:: --accesslog-file=<PATH>
+
+    
+    Set path  to write  access log.  To  reopen file,
+    send USR1 signal to nghttpx.
+
+.. option:: --accesslog-syslog
+
+    
+    Send  access log  to syslog.   If this  option is
+    used, :option:`--access-file` option is ignored.
+
+.. option:: --accesslog-format=<FORMAT>
+
+    
+    Specify  format  string   for  access  log.   The
+    default format is combined format.  The following
+    variables are available:
+    $remote_addr: client IP address.
+    $time_local: local time in Common Log format.
+    $time_iso8601: local time in ISO 8601 format.
+    $request: HTTP request line.
+    $status: HTTP response status code.
+    $body_bytes_sent: the  number of bytes  sent to
+    client as response body.
+    $http_<VAR>: value of HTTP request header <VAR>
+    where '_' in <VAR> is replaced with '-'.
+    $remote_port: client  port.
+    $server_port: server port.
+    $request_time:   request  processing   time  in
+    seconds with milliseconds resolution.
+    $pid: PID of the running process.
+    $alpn:  ALPN  identifier  of the  protocol  which
+    generates  the  response.   For HTTP/1,  ALPN  is
+    always http/1.1, regardless of minor version.
+    Default: $remote_addr - - [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent"
+
+.. option:: --errorlog-file=<PATH>
+
+    
+    Set  path to  write error  log.  To  reopen file,
+    send USR1 signal to nghttpx.
+    Default: /dev/stderr
+
+.. option:: --errorlog-syslog
+
+    
+    Send  error log  to  syslog.  If  this option  is
+    used, :option:`--errorlog-file` option is ignored.
+
+.. option:: --syslog-facility=<FACILITY>
+
+    
+    Set syslog facility to <FACILITY>.
+    Default: daemon
+
+Misc
+^^^^
+
+.. option:: --add-x-forwarded-for
+
+    
+    Append  X-Forwarded-For   header  field   to  the
+    downstream request.
+
+.. option:: --strip-incoming-x-forwarded-for
+
+    
+    Strip  X-Forwarded-For  header field from inbound
+    client requests.
+
+.. option:: --no-via
+
+    
+    Don't append to Via  header field.  If Via header
+    field is received, it is left unaltered.
+
+.. option:: --no-location-rewrite
+
+    
+    Don't   rewrite   location    header   field   on
+    :option:`--http2-bridge`, :option:`--client`  and default  mode.  For
+    :option:`--http2-proxy`  and :option:`--client-proxy`  mode, location
+    header field  will not  be altered  regardless of
+    this option.
+
+.. option:: --altsvc=<PROTOID,PORT[,HOST,[ORIGIN]]>
+
+    
+    Specify  protocol ID,  port, host  and origin  of
+    alternative  service.   <HOST> and  <ORIGIN>  are
+    optional.  They are  advertised in alt-svc header
+    field or HTTP/2 ALTSVC frame.  This option can be
+    used   multiple   times   to   specify   multiple
+    alternative services.  Example: --altsvc=h2,443
+
+.. option:: --add-response-header=<HEADER>
+
+    
+    Specify  additional   header  field  to   add  to
+    response  header set.   This option  just appends
+    header field  and won't replace  anything already
+    set.  This  option can  be used several  times to
+    specify multiple header fields.
+    Example: --add-response-header="foo: bar"
+
+.. option:: --frontend-http2-dump-request-header=<PATH>
+
+    
+    Dumps request headers received by HTTP/2 frontend
+    to  the file  denoted in  <PATH>.  The  output is
+    done  in  HTTP/1  header field  format  and  each
+    header block is followed  by an empty line.  This
+    option is  not thread safe  and MUST NOT  be used
+    with option -n<N>, where <N> >= 2.
+
+.. option:: --frontend-http2-dump-response-header=<PATH>
+
+    
+    Dumps response headers  sent from HTTP/2 frontend
+    to  the file  denoted in  <PATH>.  The  output is
+    done  in  HTTP/1  header field  format  and  each
+    header block is followed  by an empty line.  This
+    option is  not thread safe  and MUST NOT  be used
+    with option -n<N>, where <N> >= 2.
+
+.. option:: -o, --frontend-frame-debug
+
+    
+    Print HTTP/2 frames in  frontend to stderr.  This
+    option is  not thread safe  and MUST NOT  be used
+    with option -n=N, where N >= 2.
+
+.. option:: -D, --daemon
+
+    
+    Run in a background.  If  :option:`-D` is used, the current
+    working directory is changed to '/'.
+
+.. option:: --pid-file=<PATH>
+
+    
+    Set path to save PID of this program.
+
+.. option:: --user=<USER>
+
+    
+    Run  this  program  as <USER>.   This  option  is
+    intended to be used to drop root privileges.
+
+.. option:: --conf=<PATH>
+
+    
+    Load configuration from <PATH>.
+    Default: /etc/nghttpx/nghttpx.conf
+
+.. option:: -v, --version
+
+    
+    Print version and exit.
+
+.. option:: -h, --help
+
+    
+    Print this help and exit.
+
+SEE ALSO
+--------
+
+nghttp(1), nghttpd(1), h2load(1)

doc/nghttpx.h2m

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

doc/package_README.rst

@@ -1 +0,0 @@
-.. include:: ../README.rst

doc/package_README.rst.in

@@ -0,0 +1 @@
+.. include:: @top_srcdir@/README.rst

doc/python-apiref.rst.in

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

doc/sources/building-android-binary.rst

@@ -0,0 +1,124 @@
+Building Android binary
+=======================
+
+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
+``ANDROID_HOME`` environment variable.  We need to install toolchain
+under ``$ANDROID_HOME/toolchain``.  An user can freely choose the path
+for ``ANDROID_HOME``.  For example, to install toolchain under
+``$ANDROID_HOME/toolchain``, do this in the the directory where NDK is
+unpacked::
+
+    $ build/tools/make-standalone-toolchain.sh \
+      --install-dir=$ANDROID_HOME/toolchain \
+      --toolchain=arm-linux-androideabi-4.8
+
+The additional flag ``--system=linux-x86_64`` may be required if you
+are using x86_64 system.
+
+The platform level is not important here because we don't use Android
+specific C/C++ API.
+
+The dependent libraries, such as OpenSSL and libevent should be built
+with the toolchain and installed under ``$ANDROID_HOME/usr/local``.
+We recommend to build these libraries as static library to make the
+deployment easier.  libxml2 support is currently disabled.
+
+We use zlib which comes with Android NDK, so we don't have to build it
+by ourselves.
+
+If SPDY support is required for nghttpx and h2load, build and install
+spdylay as well.
+
+Before running ``android-config`` and ``android-make``,
+``ANDROID_HOME`` environment variable must be set to point to the
+correct path.  Also add ``$ANDROID_HOME/toolchain/bin`` to ``PATH``::
+
+    $ export PATH=$PATH:$ANDROID_HOME/toolchain/bin
+
+To configure OpenSSL, use the following script::
+
+    #!/bin/sh
+
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
+
+    export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi-
+    ./Configure --prefix=$PREFIX android
+
+And run ``make install`` to build and install.
+
+To configure libevent, use the following script::
+
+    #!/bin/sh
+
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
+
+    ./configure \
+        --host=arm-linux-androideabi \
+        --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+        --prefix=$PREFIX \
+        --disable-shared \
+        --enable-static \
+        CPPFLAGS=-I$PREFIX/include \
+        LDFLAGS=-L$PREFIX/lib
+
+And run ``make install`` to build and install.
+
+To configure spdylay, use the following script::
+
+    if [ -z "$ANDROID_HOME" ]; then
+	echo 'No $ANDROID_HOME specified.'
+	exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
+
+    ./configure \
+	--disable-shared \
+	--host=arm-linux-androideabi \
+	--build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+	--prefix=$PREFIX \
+	--without-libxml2 \
+	--disable-src \
+	--disable-examples \
+	CPPFLAGS="-I$PREFIX/include" \
+	PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
+	LDFLAGS="-L$PREFIX/lib"
+
+And run ``make install`` to build and install.  After spdylay
+installation, edit $ANDROID_HOME/usr/local/lib/pkgconfig/libspdylay.pc
+and remove the following line::
+
+    Requires.private: zlib
+
+After prerequisite libraries are prepared, run ``android-config`` and
+then ``android-make`` to compile nghttp2 source files.
+
+If all went well, application binaries, such as nghttpx, are created
+under src directory.  Strip debugging information from the binary
+using the following command::
+
+    $ arm-linux-androideabi-strip src/nghttpx

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/h2load-howto.rst

@@ -0,0 +1,90 @@
+h2load - HTTP/2 benchmarking tool - HOW-TO
+==========================================
+
+h2load is benchmarking tool for HTTP/2.  If built with
+spdylay (http://tatsuhiro-t.github.io/spdylay/) library, it also
+supports SPDY protocol.  It supports SSL/TLS and clear text for both
+HTTP/2 and SPDY.
+
+Basic Usage
+-----------
+
+In order to set benchmark settings, specify following 3 options.
+
+``-n``
+    The number of total requests.  Default: 1
+
+``-c``
+    The number of concurrent clients.  Default: 1
+
+``-m``
+   The max concurrent streams to issue per client.
+   If ``auto`` is given, the number of given URIs is used.
+   Default: ``auto``
+
+Here is a command-line to perform benchmark to URI \https://localhost
+using total 100000 requests, 100 concurrent clients and 10 max
+concurrent streams::
+
+    $ h2load -n100000 -c100 -m10 https://localhost
+
+The benchmarking result looks like this::
+
+    finished in 0 sec, 385 millisec and 851 microsec, 2591 req/s, 1689 kbytes/s
+    requests: 1000 total, 1000 started, 1000 done, 1000 succeeded, 0 failed, 0 errored
+    status codes: 1000 2xx, 0 3xx, 0 4xx, 0 5xx
+    traffic: 667500 bytes total, 28700 bytes headers, 612000 bytes data
+
+The number of ``failed`` is the number of requests returned with non
+2xx status.  The number of ``error`` is the number of ``failed`` plus
+the number of requests which failed with connection error.
+
+The number of ``total`` in ``traffic`` is the received application
+data.  If SSL/TLS is used, this number is calculated after decryption.
+The number of ``headers`` is the sum of payload size of response
+HEADERS (or SYN_REPLY for SPDY).  This number comes before
+decompressing header block.  The number of ``data`` is the sum of
+response body.
+
+Flow Control
+------------
+
+HTTP/2 and SPDY/3 or later employ flow control and it may affect
+benchmarking results.  To adjust receiver flow control window size,
+there is following options:
+
+``-w``
+   Sets  the stream  level  initial  window size  to
+   (2**<N>)-1.  For SPDY, 2**<N> is used instead.
+
+``-W``
+   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.
+
+Multi-Threading
+---------------
+
+Sometimes benchmarking client itself becomes a bottleneck.  To remedy
+this situation, use ``-t`` option to specify the number of native
+thread to use.
+
+``-t``
+    The number of native threads. Default: 1
+
+Selecting protocol for clear text
+---------------------------------
+
+By default, if \http:// URI is given, HTTP/2 protocol is used.  To
+change the protocol to use for clear text, use ``-p`` option.
+
+Multiple URIs
+-------------
+
+If multiple URIs are specified, they are used in round robin manner.
+
+.. note::
+
+    Please note that h2load uses sheme, host and port in the first URI
+    and ignores those parts in the rest of the URIs.

doc/sources/index.rst

@@ -0,0 +1,50 @@
+.. nghttp2 documentation master file, created by
+   sphinx-quickstart on Sun Mar 11 22:57:49 2012.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+nghttp2 - HTTP/2 C Library
+============================
+
+This is an experimental implementation of Hypertext Transfer Protocol
+version 2.
+
+The project is hosted at `github.com/tatsuhiro-t/nghttp2 <https://github.com/tatsuhiro-t/nghttp2>`_.
+
+Contents:
+
+.. toctree::
+   :maxdepth: 2
+
+   package_README
+   contribute
+   building-android-binary
+   tutorial-client
+   tutorial-server
+   tutorial-hpack
+   nghttp.1
+   nghttpd.1
+   nghttpx.1
+   h2load.1
+   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>
+
+Released Versions
+=================
+
+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-04

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

@@ -0,0 +1,286 @@
+nghttpx - HTTP/2 proxy - HOW-TO
+===============================
+
+nghttpx is a proxy translating protocols between HTTP/2 and other
+protocols (e.g., HTTP/1, SPDY).  It operates in several modes and each
+mode may require additional programs to work with.  This article
+describes each operation mode and explains the intended use-cases.  It
+also covers some useful options later.
+
+Default mode
+------------
+
+If nghttpx is invoked without any ``-s``, ``-p`` and ``--client``, it
+operates in default mode.  In this mode, nghttpx frontend listens for
+HTTP/2 requests and translates them to HTTP/1 requests.  Thus it works
+as reverse proxy (gateway) for HTTP/2 clients to HTTP/1 web server.
+HTTP/1 requests are also supported in frontend as a fallback.  If
+nghttpx is linked with spdylay library and frontend connection is
+SSL/TLS, the frontend also supports SPDY protocol.
+
+By default, this mode's frontend connection is encrypted using
+SSL/TLS.  So server's private key and certificate must be supplied to
+the command line (or through configuration file).  In this case, the
+fontend protocol selection will is done via ALPN or NPN.
+
+With ``--frontend-no-tls`` option, user can turn off SSL/TLS in
+frontend connection.  In this case, SPDY protocol is not available
+even if spdylay library is liked to nghttpx.  HTTP/2 and HTTP/1 are
+available on the frontend and a HTTP/1 connection can be upgraded to
+HTTP/2 using HTTP Upgrade.  Starting HTTP/2 connection by sending
+HTTP/2 connection preface is also supported.
+
+The backend is supposed to be HTTP/1 Web server.  For example, to make
+nghttpx listen to encrypted HTTP/2 requests at port 8443, and a
+backend HTTP/1 web server is configured to listen to HTTP/1 request at
+port 8080 in the same host, run nghttpx command-line like this::
+
+    $ nghttpx -f0.0.0.0,8443 -b127.0.0.1,8080 /path/to/server.key /path/to/server.crt
+
+Then HTTP/2 enabled client can access to the nghttpx in HTTP/2.  For
+example, you can send GET request to the server using nghttp::
+
+    $ nghttp -nv https://localhost:8443/
+
+HTTP/2 proxy mode
+-----------------
+
+If nghttpx is invoked with ``-s`` option, it operates in HTTP/2 proxy
+mode.  The supported protocols in frontend and backend connections are
+the same in `default mode`_.  The difference is that this mode acts
+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.
+
+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.
+
+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
+to HTTP/1 request at port 8080 in the same host, run nghttpx
+command-line like this::
+
+    $ nghttpx -s -f'*,8443' -b127.0.0.1,8080 /path/to/server.key /path/to/server.crt
+
+At the time of this writing, Firefox nightly supports HTTP/2 proxy.
+Chromium can use nghttpx as secure (SPDY) proxy and will support
+HTTP/2 proxy in the near future.
+
+To make Firefox nightly or Chromium use nghttpx as HTTP/2 or SPDY
+proxy, user has to create proxy.pac script file like this:
+
+.. code-block:: javascript
+
+    function FindProxyForURL(url, host) {
+        return "HTTPS SERVERADDR:PORT";
+    }
+
+``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.
+
+For Firefox nightly, open Preference window and select Advanced then
+click Network tab.  Clicking Connection Settings button will show the
+dialog.  Select "Automatic proxy configuration URL" and enter the path
+to proxy.pac file, something like this::
+
+    file:///path/to/proxy.pac
+
+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::
+
+    CONFIG proxy.config.reverse_proxy.enabled INT 0
+    CONFIG proxy.config.url_remap.remap_required INT 0
+
+Consult Traffic server `documentation
+<https://docs.trafficserver.apache.org/en/latest/admin/forward-proxy.en.html>`_
+to know how to configure traffic server as forward proxy and its
+security implications.
+
+Client mode
+-----------
+
+If nghttpx is invoked with ``--client`` option, it operates in client
+mode.  In this mode, nghttpx listens for plain, unencrypted HTTP/2 and
+HTTP/1 requests and translates them to encrypted HTTP/2 requests to
+the backend.  User cannot enable SSL/TLS in frontend connection.
+
+HTTP/1 frontend connection can be upgraded to HTTP/2 using HTTP
+Upgrade.  To disable SSL/TLS in backend connection, use
+``--backend-no-tls`` option.
+
+The backend connection is created one per worker (thread).
+
+The backend server is supporsed to be a HTTP/2 web server (e.g.,
+nghttpd).  The one use-case of this mode is utilize existing HTTP/1
+clients to test HTTP/2 deployment.  Suppose that HTTP/2 web server
+listens to port 80 without encryption.  Then run nghttpx as client
+mode to access to that web server::
+
+    $ nghttpx --client -f127.0.0.1,8080 -b127.0.0.1,80 --backend-no-tls
+
+.. note::
+
+    You may need ``-k`` option if HTTP/2 server enables SSL/TLS and
+    its certificate is self-signed. But please note that it is
+    insecure.
+
+Then you can use curl to access HTTP/2 server via nghttpx::
+
+    $ curl http://localhost:8080/
+
+Client proxy mode
+-----------------
+
+If nghttpx is invoked with ``-p`` option, it operates in client proxy
+mode.  This mode behaves like `client mode`_, but it works like
+forward proxy.  So HTTP/1 request must include absolute URI in request
+line.
+
+HTTP/1 frontend connection can be upgraded to HTTP/2 using HTTP
+Upgrade.  To disable SSL/TLS in backend connection, use
+``--backend-no-tls`` option.
+
+The backend connection is created one per worker (thread).
+
+The backend server must be a HTTP/2 proxy.  You can use nghttpx in
+`HTTP/2 proxy mode`_ as backend server.  The one use-case of this mode
+is utilize existing HTTP/1 clients to test HTTP/2 connections between
+2 proxies. The another use-case is use this mode to aggregate local
+HTTP/1 connections to one HTTP/2 backend encrypted connection.  This
+makes HTTP/1 clients which does not support secure proxy can use
+secure HTTP/2 proxy via nghttpx client mode.
+
+Suppose that HTTP/2 proxy listens to port 8443, just like we saw in
+`HTTP/2 proxy mode`_.  To run nghttpx in client proxy mode to access
+that server, invoke nghttpx like this::
+
+    $ nghttpx -p -f127.0.0.1,8080 -b127.0.0.1,8443
+
+.. note::
+
+    You may need ``-k`` option if HTTP/2 server's certificate is
+    self-signed. But please note that it is insecure.
+
+Then you can use curl to issue HTTP request via HTTP/2 proxy::
+
+    $ curl --http-proxy=http://localhost:8080 http://www.google.com/
+
+You can configure web browser to use localhost:8080 as forward
+proxy.
+
+HTTP/2 bridge mode
+------------------
+
+If nghttpx is invoked with ``--http2-bridge`` option, it operates in
+HTTP/2 bridge mode.  The supported protocols in frontend connections
+are the same in `default mode`_.  The protocol in backend is HTTP/2
+only.
+
+With ``--frontend-no-tls`` option, SSL/TLS is turned off in frontend
+connection, so the connection gets insecure.  To disable SSL/TLS in
+backend connection, use ``--backend-no-tls`` option.
+
+The backend server is supporsed to be a HTTP/2 web server or HTTP/2
+proxy.  If backend server is HTTP/2 proxy, use
+``--no-location-rewrite`` option to disable rewriting location header
+field.
+
+The use-case of this mode is aggregate the incoming connections to one
+HTTP/2 connection.  One backend HTTP/2 connection is created per
+worker (thread).
+
+Disable SSL/TLS
+---------------
+
+In `default mode`_, `HTTP/2 proxy mode`_ and `HTTP/2 bridge mode`_,
+frontend connections are encrypted with SSL/TLS by default.  To turn
+off SSL/TLS, use ``--frontend-no-tls`` option.  If this option is
+used, the private key and certificate are not required to run nghttpx.
+
+In `client mode`_, `client proxy mode`_ and `HTTP/2 bridge mode`_,
+backend connections are encrypted with SSL/TLS by default.  To turn
+off SSL/TLS, use ``--backend-no-tls`` option.
+
+Specifying additional CA certificate
+------------------------------------
+
+By default, nghttpx tries to read CA certificate from system.  But
+depending on the system you use, this may fail or is not supported.
+To specify CA certificate manually, use ``--cacert`` option.  The
+specified file must be PEM format and can contain multiple
+certificates.
+
+By default, nghttpx validates server's certificate.  If you want to
+turn off this validation, knowing this is really insecure and what you
+are doing, you can use ``-k`` option to disable certificate
+validation.
+
+Read/write rate limit
+---------------------
+
+nghttpx supports transfer rate limiting on frontend connections.  You
+can do rate limit per worker (thread) 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``.
+
+Please note that rate limit is performed on top of TCP and nothing to
+do with HTTP/2 flow control.
+
+Rewriting location header field
+-------------------------------
+
+nghttpx automatically rewrites location response header field if the
+following all conditions satisfy:
+
+* URI in location header field is not absolute URI or is not https URI.
+* URI in location header field includes non empty host component.
+* host (without port) in URI in location header field must match the
+  host appearing in :authority or host header field.
+
+When rewrite happens, URI scheme and port are replaced with the ones
+used in frontend, and host is replaced with which appears in
+:authority or host request header field.  :authority header field has
+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
+----------
+
+nghttpx supports hot deploy feature using signals.  The hot deploy 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
+current and new processes can accept requests.  To gracefully shutdown
+current process, send QUIT signal to current nghttpx process.  When
+all existing frontend connections are done, the current process will
+exit.  At this point, only new nghttpx process exists and serves
+incoming requests.
+
+Re-opening log files
+--------------------
+
+When rotating log files, it is desirable to re-open log files after
+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.

doc/sources/python-apiref.rst

@@ -0,0 +1,319 @@
+Python API Reference
+====================
+
+.. py:module:: nghttp2
+
+nghttp2 offers some high level Python API to C library.  The bindings
+currently provide HPACK compressor and decompressor classes and HTTP/2
+server class.
+
+The extension module is called ``nghttp2``.
+
+``make`` will build the bindings.  The target Python version is
+determined by configure script.  If the detected Python version is not
+what you expect, specify a path to Python executable in ``PYTHON``
+variable as an argument to configure script (e.g., ``./configure
+PYTHON=/usr/bin/python3.4``).
+
+HPACK API
+---------
+
+.. py:class:: HDDeflater(hd_table_bufsize_max=DEFLATE_MAX_HEADER_TABLE_SIZE)
+
+   This class is used to perform header compression.  The
+   *hd_table_bufsize_max* limits the usage of header table in the
+   given amount of bytes.  The default value is
+   :py:data:`DEFLATE_MAX_HEADER_TABLE_SIZE`.  This is necessary
+   because the deflater and inflater share the same amount of header
+   table and the inflater decides that number.  The deflater may not
+   want to use all header table size because of limited memory
+   availability.  In that case, *hd_table_bufsize_max* can be used to
+   cap the upper limit of table size whatever the header table size is
+   chosen by the inflater.
+
+   .. py:method:: deflate(headers)
+
+      Deflates the *headers*. The *headers* must be sequence of tuple
+      of name/value pair, which are byte strings (not unicode string).
+
+      This method returns the deflated header block in byte string.
+      Raises the exception if any error occurs.
+
+   .. py:method:: set_no_refset(no_refset)
+
+      Tells the deflater not to use reference set if *no_refset* is
+      evaluated to ``True``.  If that happens, on each subsequent
+      invocation of :py:meth:`deflate()`, deflater will clear up
+      refersent set.
+
+   .. py:method:: change_table_size(hd_table_bufsize_max)
+
+      Changes header table size to *hd_table_bufsize_max* byte.  if
+      *hd_table_bufsize_max* is strictly larger than
+      ``hd_table_bufsize_max`` given in constructor,
+      ``hd_table_bufsize_max`` is used as header table size instead.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: get_hd_table()
+
+      Returns copy of current dynamic header table.
+
+The following example shows how to deflate header name/value pairs:
+
+.. code-block:: python
+
+   import binascii, nghttp2
+
+   deflater = nghttp2.HDDeflater()
+
+   res = deflater.deflate([(b'foo', b'bar'),
+                           (b'baz', b'buz')])
+
+   print(binascii.b2a_hex(res))
+
+
+.. py:class:: HDInflater()
+
+   This class is used to perform header decompression.
+
+   .. py:method:: inflate(data)
+
+      Inflates the deflated header block *data*. The *data* must be
+      byte string.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: change_table_size(hd_table_bufsize_max)
+
+      Changes header table size to *hd_table_bufsize_max* byte.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: get_hd_table()
+
+      Returns copy of current dynamic header table.
+
+The following example shows how to inflate deflated header block:
+
+.. code-block:: python
+
+   deflater = nghttp2.HDDeflater()
+
+   data = deflater.deflate([(b'foo', b'bar'),
+                            (b'baz', b'buz')])
+
+   inflater = nghttp2.HDInflater()
+
+   hdrs = inflater.inflate(data)
+
+   print(hdrs)
+
+
+.. py:function:: print_hd_table(hdtable)
+
+   Convenient function to print *hdtable* to the standard output.  The
+   *hdtable* is the one retrieved by
+   :py:meth:`HDDeflater.get_hd_table()` or
+   :py:meth:`HDInflater.get_hd_table()`.  This function does not work
+   if header name/value cannot be decoded using UTF-8 encoding.
+
+   In output, ``s=N`` means the entry occupies ``N`` bytes in header
+   table.  If ``r=y``, then the entry is in the reference set.
+
+.. py:data:: DEFAULT_HEADER_TABLE_SIZE
+
+   The default header table size, which is 4096 as per HTTP/2
+   specification.
+
+.. py:data:: DEFLATE_MAX_HEADER_TABLE_SIZE
+
+   The default header table size for deflater.  The initial value
+   is 4096.
+
+HTTP/2 servers
+--------------
+
+.. note::
+
+   We use :py:mod:`asyncio` for HTTP/2 server classes.  Therefore,
+   Python 3.4 or later is required to use these objects.  To
+   explicitly configure nghttp2 build to use Python 3.4, specify the
+   ``PYTHON`` variable to the path to Python 3.4 executable when
+   invoking configure script like this::
+
+       $ ./configure PYTHON=/usr/bin/python3.4
+
+.. py:class:: HTTP2Server(address, RequestHandlerClass, ssl=None)
+
+   This class builds on top of the :py:mod:`asyncio` event loop.  On
+   construction, *RequestHandlerClass* must be given, which must be a
+   subclass of :py:class:`BaseRequestHandler` class.
+
+   The *address* must be a tuple of hostname/IP address and port to
+   bind.  If hostname/IP address is ``None``, all interfaces are
+   assumed.
+
+   To enable SSL/TLS, specify instance of :py:class:`ssl.SSLContext`
+   in *ssl*.  Before passing *ssl* to
+   :py:func:`BaseEventLoop.create_server`, ALPN protocol identifiers
+   are set using :py:meth:`ssl.SSLContext.set_npn_protocols`.
+
+   To disable SSL/TLS, omit *ssl* or specify ``None``.
+
+   .. py:method:: serve_forever()
+
+      Runs server and processes incoming requests forever.
+
+.. py:class:: BaseRequestHandler(http2, stream_id)
+
+   The class is used to handle the single HTTP/2 stream.  By default,
+   it does not nothing.  It must be subclassed to handle each event
+   callback method.
+
+   The first callback method invoked is :py:meth:`on_headers()`. It is
+   called when HEADERS frame, which includes request header fields, is
+   arrived.
+
+   If request has request body, :py:meth:`on_data()` is invoked for
+   each chunk of received data chunk.
+
+   When whole request is received, :py:meth:`on_request_done()` is
+   invoked.
+
+   When stream is closed, :py:meth:`on_close()` is called.
+
+   The application can send response using :py:meth:`send_response()`
+   method.  It can be used in :py:meth:`on_headers()`,
+   :py:meth:`on_data()` or :py:meth:`on_request_done()`.
+
+   The application can push resource using :py:meth:`push()` method.
+   It must be used before :py:meth:`send_response()` call.
+
+   A :py:class:`BaseRequestHandler` has the following instance
+   variables:
+
+   .. py:attribute:: client_address
+
+      Contains a tuple of the form ``(host, port)`` referring to the
+      client's address.
+
+   .. py:attribute:: stream_id
+
+      Stream ID of this stream
+
+   .. py:attribute:: scheme
+
+      Scheme of the request URI.  This is a value of ``:scheme``
+      header field.
+
+   .. py:attribute:: method
+
+      Method of this stream.  This is a value of ``:method`` header
+      field.
+
+   .. py:attribute:: host
+
+      This is a value of ``:authority`` or ``host`` header field.
+
+   .. py:attribute:: path
+
+      This is a value of ``:path`` header field.
+
+   A :py:class:`BaseRequestHandler` has the following methods:
+
+   .. py:method:: on_headers()
+
+      Called when request HEADERS is arrived.  By default, this method
+      does nothing.
+
+   .. py:method:: on_data(data)
+
+      Called when a chunk of request body *data* is arrived.  This
+      method will be called multiple times until all data are
+      received.  By default, this method does nothing.
+
+   .. py:method:: on_request_done()
+
+      Called when whole request was received.  By default, this method
+      does nothing.
+
+   .. py:method:: on_close(error_code)
+
+      Called when stream is about to close.  The *error_code*
+      indicates the reason of closure.  If it is ``0``, the stream is
+      going to close without error.
+
+   .. py:method:: send_response(status=200, headers=None, body=None)
+
+      Send response.  The *status* is HTTP status code.  The *headers*
+      is additional response headers.  The *:status* header field will
+      be appended by the library.  The *body* is the response body.
+      It could be ``None`` if response body is empty. Or it must be
+      instance of either ``str``, ``bytes`` or :py:class:`io.IOBase`.
+      If instance of ``str`` is specified, it will be encoded using
+      UTF-8.
+
+      The *headers* is a list of tuple of the form ``(name,
+      value)``. The ``name`` and ``value`` can be either byte string
+      or unicode string.  In the latter case, they will be encoded
+      using UTF-8.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: push(path, method='GET', request_headers=None, status=200, headers=None, body=None)
+
+      Push a specified resource.  The *path* is a path portion of
+      request URI for this resource.  The *method* is a method to
+      access this resource.  The *request_headers* is additional
+      request headers to access this resource.  The ``:scheme``,
+      ``:method``, ``:authority`` and ``:path`` are appended by the
+      library.  The ``:scheme`` and ``:authority`` are inherited from
+      request header fields of the associated stream.
+
+      The *status* is HTTP status code.  The *headers* is additional
+      response headers.  The ``:status`` header field is appended by
+      the library.  The *body* is the response body.  It could be
+      ``None`` if response body is empty.  Or it must be instance of
+      either ``str``, ``bytes`` or ``io.IOBase``.  If instance of
+      ``str`` is specified, it is encoded using UTF-8.
+
+      The headers and request_headers are a list of tuple of the form
+      ``(name, value)``. The ``name`` and ``value`` can be either byte
+      string or unicode string.  In the latter case, they will be
+      encoded using UTF-8.
+
+      Returns an instance of ``RequestHandlerClass`` specified in
+      :py:class:`HTTP2Server` constructor for the pushed resource.
+
+      Raises the exception if any error occurs.
+
+The following example illustrates :py:class:`HTTP2Server` and
+:py:class:`BaseRequestHandler` usage:
+
+.. code-block:: python
+
+    #!/usr/bin/env python
+
+    import io, ssl
+    import nghttp2
+
+    class Handler(nghttp2.BaseRequestHandler):
+
+        def on_headers(self):
+            self.push(path='/css/style.css',
+                      request_headers = [('content-type', 'text/css')],
+                      status=200,
+                      body='body{margin:0;}')
+
+            self.send_response(status=200,
+                               headers = [('content-type', 'text/plain')],
+                               body=io.BytesIO(b'nghttp2-python FTW'))
+
+    ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+    ctx.options = ssl.OP_ALL | ssl.OP_NO_SSLv2
+    ctx.load_cert_chain('server.crt', 'server.key')
+
+    # give None to ssl to make the server non-SSL/TLS
+    server = nghttp2.HTTP2Server(('127.0.0.1', 8443), Handler, ssl=ctx)
+    server.serve_forever()

doc/sources/tutorial-client.rst

@@ -0,0 +1,440 @@
+Tutorial: HTTP/2 client
+=========================
+
+In this tutorial, we are going to write very primitive HTTP/2
+client. The complete source code, `libevent-client.c`_, is attached at
+the end of this page.  It also resides in examples directory in the
+archive or repository.
+
+This simple client takes 1 argument, HTTPS URI, and retrieves the
+resource denoted by the URI. Its synopsis is like this::
+
+    $ libevent-client HTTPS_URI
+
+We use libevent in this tutorial to handle networking I/O.  Please
+note that nghttp2 itself does not depend on libevent.
+
+First we do some setup routine for libevent and OpenSSL library in
+function ``main()`` and ``run()``, which is not so relevant to nghttp2
+library use. The one thing you should look at is setup NPN callback.
+The NPN callback is used for the client to select the next application
+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 _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;
+    }
+
+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) {
+      SSL_CTX *ssl_ctx;
+      ssl_ctx = SSL_CTX_new(SSLv23_client_method());
+      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_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;
+    }
+
+We use ``http2_session_data`` structure to store the data related to
+the HTTP/2 session::
+
+    typedef struct {
+      nghttp2_session *session;
+      struct evdns_base *dnsbase;
+      struct bufferevent *bev;
+      http2_stream_data *stream_data;
+    } http2_session_data;
+
+Since this program only handles 1 URI, it uses only 1 stream. We store
+its stream specific data in ``http2_stream_data`` structure and the
+``stream_data`` points to it. The ``struct http2_stream_data`` is
+defined as follows::
+
+    typedef struct {
+      /* The NULL-terminated URI string to retreive. */
+      const char *uri;
+      /* Parsed result of the |uri| */
+      struct http_parser_url *u;
+      /* The authroity portion of the |uri|, not NULL-terminated */
+      char *authority;
+      /* The path portion of the |uri|, including query, not
+         NULL-terminated */
+      char *path;
+      /* The length of the |authority| */
+      size_t authoritylen;
+      /* The length of the |path| */
+      size_t pathlen;
+      /* The stream ID of this stream */
+      int32_t stream_id;
+    } http2_stream_data;
+
+We creates and initializes these structures in
+``create_http2_session_data()`` and ``create_http2_stream_data()``
+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,
+                                    const char *host, uint16_t port,
+                                    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);
+      bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
+      rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
+                                               AF_UNSPEC, host, port);
+
+      if (rv != 0) {
+        errx(1, "Could not connect to the remote host %s", host);
+      }
+      session_data->bev = bev;
+    }
+
+We set 3 callbacks for the bufferevent: ``reacb``, ``writecb`` and
+``eventcb``.
+
+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) {
+        int fd = bufferevent_getfd(bev);
+        int val = 1;
+        fprintf(stderr, "Connected\n");
+        setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
+        initialize_nghttp2_session(session_data);
+        send_client_connection_header(session_data);
+        submit_request(session_data);
+        if (session_send(session_data) != 0) {
+          delete_http2_session_data(session_data);
+        }
+        return;
+      }
+      if (events & BEV_EVENT_EOF) {
+        warnx("Disconnected from the remote host");
+      } else if (events & BEV_EVENT_ERROR) {
+        warnx("Network error");
+      } else if (events & BEV_EVENT_TIMEOUT) {
+        warnx("Timeout");
+      }
+      delete_http2_session_data(session_data);
+    }
+
+For ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR`` and ``BEV_EVENT_TIMEOUT``
+event, we just simply tear down the connection. The
+``BEV_EVENT_CONNECTED`` event is invoked when SSL/TLS handshake is
+finished successfully. We first initialize nghttp2 session object in
+``initialize_nghttp2_session()`` function::
+
+    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_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_header_callback(callbacks,
+                                                       on_header_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);
+    }
+
+Since we are creating client, we use `nghttp2_session_client_new()` to
+initialize nghttp2 session object.  We setup 7 callbacks for the
+nghttp2 session. We'll explain these callbacks later.
+
+The `delete_http2_session_data()` destroys ``session_data`` and frees
+its bufferevent, so it closes underlying connection as well. It also
+calls `nghttp2_session_del()` to delete nghttp2 session object.
+
+We begin HTTP/2 communication by sending client connection preface,
+which is 24 bytes magic byte sequence
+(:macro:`NGHTTP2_CLIENT_CONNECTION_PREFACE`) and SETTINGS frame.  The
+transmission of client connection header is done in
+``send_client_connection_header()``::
+
+    static void send_client_connection_header(http2_session_data *session_data) {
+      nghttp2_settings_entry iv[1] = {
+          {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
+      int rv;
+
+      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) {
+        errx(1, "Could not submit SETTINGS: %s", nghttp2_strerror(rv));
+      }
+    }
+
+Here we specify SETTINGS_MAX_CONCURRENT_STREAMS to 100, which is
+really not needed for this tiny example progoram, but we are
+demonstrating the use of SETTINGS frame. To queue the SETTINGS frame
+for the transmission, we use `nghttp2_submit_settings()`. Note that
+`nghttp2_submit_settings()` function only queues the frame and not
+actually send it. All ``nghttp2_submit_*()`` family functions have
+this property. To actually send the frame, `nghttp2_session_send()` is
+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) {
+      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(":authority", stream_data->authority, stream_data->authoritylen),
+          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) {
+        errx(1, "Could not submit HTTP request: %s", nghttp2_strerror(stream_id));
+      }
+
+      stream_data->stream_id = stream_id;
+    }
+
+We build HTTP request header fields in ``hdrs`` which is an array of
+:type:`nghttp2_nv`. There are 4 header fields to be sent: ``:method``,
+``:scheme``, ``:authority`` and ``:path``. To queue this HTTP request,
+we use `nghttp2_submit_request()` function. The `stream_data` is
+passed in *stream_user_data* parameter. It is used in nghttp2
+callbacks which we'll describe about later.
+`nghttp2_submit_request()` returns the newly assigned stream ID for
+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;
+      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) {
+        warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
+        delete_http2_session_data(session_data);
+        return;
+      }
+      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) {
+        delete_http2_session_data(session_data);
+        return;
+      }
+    }
+
+In this function, we feed all unprocessed, received data to nghttp2
+session object using `nghttp2_session_mem_recv()` function. The
+`nghttp2_session_mem_recv()` processes the received data and may
+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) {
+      int rv;
+
+      rv = nghttp2_session_send(session_data->session);
+      if (rv != 0) {
+        warnx("Fatal error: %s", nghttp2_strerror(rv));
+        return -1;
+      }
+      return 0;
+    }
+
+The `nghttp2_session_send()` function serializes the frame into wire
+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 _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;
+    }
+
+Since we use bufferevent to abstract network I/O, we just write the
+data to the bufferevent object. Note that `nghttp2_session_send()`
+continues to write all frames queued so far. If we were writing the
+data to the non-blocking socket directly using ``write()`` system call
+in the ``send_callback()``, we will surely get ``EAGAIN`` or
+``EWOULDBLOCK`` since the socket has limited send buffer. If that
+happens, we can return :macro:`NGHTTP2_ERR_WOULDBLOCK` to signal the
+nghttp2 library to stop sending further data. But writing to the
+bufferevent, we have to regulate the amount data to be buffered by
+ourselves to avoid possible huge memory consumption. In this example
+client, we do not limit anything. To see how to regulate the amount of
+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 _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);
+      }
+    }
+
+As described earlier, we just write off all data in `send_callback()`,
+we have no data to write in this function. All we have to do is check
+we have to drop connection or not. The nghttp2 session object keeps
+track of reception and transmission of GOAWAY frame and other error
+conditions as well. Using these information, nghttp2 session object
+will tell whether the connection should be dropped or not. More
+specifically, both `nghttp2_session_want_read()` and
+`nghttp2_session_want_write()` return 0, we have no business in the
+connection. But since we are using bufferevent and its deferred
+callback option, the bufferevent output buffer may contain the pending
+data when the ``writecb()`` is called. To handle this situation, we
+also check whether the output buffer is empty or not. If these
+conditions are met, we drop connection.
+
+We have already described about nghttp2 callback ``send_callback()``.
+Let's describe remaining nghttp2 callbacks we setup in
+``initialize_nghttp2_setup()`` function.
+
+Each request header name/value pair is emitted via
+``on_header_callback`` function::
+
+    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 &&
+            session_data->stream_data->stream_id == frame->hd.stream_id) {
+          /* Print response headers for the initiated request. */
+          print_header(stderr, name, namelen, value, valuelen);
+          break;
+        }
+      }
+      return 0;
+    }
+
+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 _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 &&
+            session_data->stream_data->stream_id == frame->hd.stream_id) {
+          fprintf(stderr, "All headers received\n");
+        }
+        break;
+      }
+      return 0;
+    }
+
+In this tutorial, we are just interested in the HTTP response
+HEADERS. We check te frame type and its category (it should be
+:macro:`NGHTTP2_HCAT_RESPONSE` for HTTP response HEADERS). Also check
+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 _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) {
+        fwrite(data, len, 1, stdout);
+      }
+      return 0;
+    }
+
+In our case, a chunk of data is response body. After checking stream
+ID, we just write the recieved data to the stdout. Note that the
+output in the terminal may be corrupted if the response body contains
+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,
+                                        nghttp2_error_code 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);
+        rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
+        if (rv != 0) {
+          return NGHTTP2_ERR_CALLBACK_FAILURE;
+        }
+      }
+      return 0;
+    }
+
+If the stream ID matches the one we initiated, it means that its
+stream is going to be closed. Since we have finished to get the
+resource we want (or the stream was reset by RST_STREAM from the
+remote peer), we call `nghttp2_session_terminate_session()` to
+commencing the closure of the HTTP/2 session gracefully. If you have
+some data associated for the stream to be closed, you may delete it
+here.

doc/sources/tutorial-hpack.rst

@@ -0,0 +1,118 @@
+Tutorial: HPACK API
+===================
+
+In this tutorial, we describe basic use of HPACK API in nghttp2
+library.  We briefly describe APIs for deflating and inflating header
+fields.  The example of using these APIs are presented as complete
+source code `deflate.c`_.
+
+Deflating (encoding) headers
+----------------------------
+
+First we need to initialize :type:`nghttp2_hd_deflater` object using
+`nghttp2_hd_deflate_new()` function::
+
+    int nghttp2_hd_deflate_new(nghttp2_hd_deflater **deflater_ptr,
+                               size_t deflate_hd_table_bufsize_max);
+
+This function allocates :type:`nghttp2_hd_deflater` object and
+initializes it and assigns its pointer to ``*deflater_ptr`` passed by
+parameter.  The *deflate_hd_table_bufsize_max* is the upper bound of
+header table size the deflater will use.  This will limit the memory
+usage in deflater object for dynamic header table.  If you doubt, just
+specify 4096 here, which is the default upper bound of dynamic header
+table buffer size.
+
+To encode header fields, `nghttp2_hd_deflate_hd()` function::
+
+    ssize_t nghttp2_hd_deflate_hd(nghttp2_hd_deflater *deflater,
+                                  uint8_t *buf, size_t buflen,
+                                  const nghttp2_nv *nva, size_t nvlen);
+
+The *deflater* is the deflater object initialized by
+`nghttp2_hd_deflate_new()` function described above.  The *buf* is a
+pointer to buffer to store encoded byte string.  The *buflen* is
+capacity of *buf*.  The *nva* is a pointer to :type:`nghttp2_nv`,
+which is an array of header fields to deflate.  The *nvlen* is the
+number of header fields which *nva* contains.
+
+It is important to initialize and assign all members of
+:type:`nghttp2_nv`.  If a header field should not be inserted in
+dynamic header table for a security reason, set
+:macro:`NGHTTP2_NV_FLAG_NO_INDEX` flag in :member:`nghttp2_nv.flags`.
+
+`nghttp2_hd_deflate_hd()` processes all headers given in *nva*.  The
+*nva* must include all request or response header fields to be sent in
+one HEADERS (or optionally following (multiple) CONTINUATION
+frame(s)).  The *buf* must have enough space to store the encoded
+result.  Otherwise, the function will fail.  To estimate the upper
+bound of encoded result, use `nghttp2_hd_deflate_bound()` function::
+
+    size_t nghttp2_hd_deflate_bound(nghttp2_hd_deflater *deflater,
+                                    const nghttp2_nv *nva, size_t nvlen);
+
+Pass this function with the same paramters *deflater*, *nva* and
+*nvlen* which will be passed to `nghttp2_hd_deflate_hd()`.
+
+The subsequent call of `nghttp2_hd_deflate_hd()` will use current
+encoder state and perform differential encoding which is the
+fundamental compression gain for HPACK.
+
+Once `nghttp2_hd_deflate_hd()` fails, it cannot be undone and its
+further call with the same deflater object shall fail.  So it is very
+important to use `nghttp2_hd_deflate_bound()` to know the required
+size of buffer.
+
+To delete :type:`nghttp2_hd_deflater` object, use `nghttp2_hd_deflate_del()`
+function.
+
+Inflating (decoding) headers
+----------------------------
+
+We use :type:`nghttp2_hd_inflater` object to inflate compressed header
+data.  To initialize the object, use `nghttp2_hd_inflate_new()`::
+
+    int nghttp2_hd_inflate_new(nghttp2_hd_inflater **inflater_ptr);
+
+To inflate header data, use `nghttp2_hd_inflate_hd()` function::
+
+    ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_inflater *inflater,
+                                  nghttp2_nv *nv_out, int *inflate_flags,
+                                  uint8_t *in, size_t inlen, int in_final);
+
+The *inflater* is the inflater object initialized above.  The *nv_out*
+is a pointer to :type:`nghttp2_nv` to store the result.  The *in* is a
+pointer to input data and *inlen* is its length.  The caller is not
+required to specify whole deflated header data to *in* at once.  It
+can call this function multiple times for portion of the data in
+streaming way.  If *in_final* is nonzero, it tells the function that
+the passed data is the final sequence of deflated header data.  The
+*inflate_flags* is output parameter and successful call of this
+function stores a set of flags in it.  It will be described later.
+
+This function returns when each header field is inflated.  When this
+happens, the function sets :macro:`NGHTTP2_HD_INFLATE_EMIT` flag to
+*inflate_flag* parameter and header field is stored in *nv_out*.  The
+return value indicates the number of data read from *in* to processed
+so far.  It may be less than *inlen*.  The caller should call the
+function repeatedly until all data are processed by adjusting *in* and
+*inlen* with the processed bytes.
+
+If *in_final* is nonzero and all given data was processed, the
+function sets :macro:`NGHTTP2_HD_INFLATE_FINAL` flag to
+*inflate_flag*.  If the caller sees this flag set, call
+`nghttp2_hd_inflate_end_headers()` function.
+
+If *in_final* is zero and :macro:`NGHTTP2_HD_INFLATE_EMIT` flag is not
+set, it indicates that all given data was processed.  The caller is
+required to pass subsequent data.
+
+It is important to note that the function may produce one or more
+header fields even if *inlen* is 0 when *in_final* is nonzero, due to
+differential encoding.
+
+The example use of `nghttp2_hd_inflate_hd()` is shown in
+`inflate_header_block()` function in `deflate.c`_.
+
+To delete :type:`nghttp2_hd_inflater` object, use `nghttp2_hd_inflate_del()`
+function.

doc/sources/tutorial-server.rst

@@ -0,0 +1,562 @@
+Tutorial: HTTP/2 server
+=========================
+
+In this tutorial, we are going to write single-threaded, event-based
+HTTP/2 web server, which supports HTTPS only. It can handle
+concurrent multiple requests, but only the GET method is supported. The
+complete source code, `libevent-server.c`_, is attached at the end of
+this page.  It also resides in examples directory in the archive or
+repository.
+
+This simple server takes 3 arguments, a port number to listen to, a path to
+your SSL/TLS private key file and a path to your certificate file.  Its
+synopsis is like this::
+
+    $ libevent-server PORT /path/to/server.key /path/to/server.crt
+
+We use libevent in this tutorial to handle networking I/O.  Please
+note that nghttp2 itself does not depend on libevent.
+
+First we create a setup routine for libevent and OpenSSL in the functions
+``main()`` and ``run()``. One thing in there you should look at, is the setup
+of the NPN callback.  The NPN callback is used for the server to advertise
+which application protocols the server supports to a client.  In this example
+program, when creating ``SSL_CTX`` object, we store the application protocol
+name in the wire format of NPN in a statically allocated buffer. This is safe
+because we only create one ``SSL_CTX`` object in the program's entire life
+time::
+
+    static unsigned char next_proto_list[256];
+    static size_t next_proto_list_len;
+
+    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) {
+      SSL_CTX *ssl_ctx;
+      EC_KEY *ecdh;
+
+      ssl_ctx = SSL_CTX_new(SSLv23_server_method());
+
+      ...
+
+      next_proto_list[0] = NGHTTP2_PROTO_VERSION_ID_LEN;
+      memcpy(&next_proto_list[1], NGHTTP2_PROTO_VERSION_ID,
+             NGHTTP2_PROTO_VERSION_ID_LEN);
+      next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
+
+      SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+      return ssl_ctx;
+    }
+
+The wire format of NPN is a sequence of length prefixed string. Exactly one
+byte is used to specify the length of each protocol identifier.  In this
+tutorial, we advertise the specific HTTP/2 protocol version the current
+nghttp2 library supports. The nghttp2 library exports its identifier in
+:macro:`NGHTTP2_PROTO_VERSION_ID`. The ``next_proto_cb()`` function is the
+server-side NPN callback. In the OpenSSL implementation, we just assign the
+pointer to the NPN buffers we filled in earlier. The NPN callback function is
+set to the ``SSL_CTX`` object using
+``SSL_CTX_set_next_protos_advertised_cb()``.
+
+We use the ``app_content`` structure to store application-wide data::
+
+    struct app_context {
+      SSL_CTX *ssl_ctx;
+      struct event_base *evbase;
+    };
+
+We use the ``http2_session_data`` structure to store session-level
+(which corresponds to one HTTP/2 connection) data::
+
+    typedef struct http2_session_data {
+      struct http2_stream_data root;
+      struct bufferevent *bev;
+      app_context *app_ctx;
+      nghttp2_session *session;
+      char *client_addr;
+    } http2_session_data;
+
+We use the ``http2_stream_data`` structure to store stream-level data::
+
+    typedef struct http2_stream_data {
+      struct http2_stream_data *prev, *next;
+      char *request_path;
+      int32_t stream_id;
+      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``.  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) {
+      int rv;
+      struct addrinfo hints;
+      struct addrinfo *res, *rp;
+
+      memset(&hints, 0, sizeof(hints));
+      hints.ai_family = AF_UNSPEC;
+      hints.ai_socktype = SOCK_STREAM;
+      hints.ai_flags = AI_PASSIVE;
+    #ifdef AI_ADDRCONFIG
+      hints.ai_flags |= AI_ADDRCONFIG;
+    #endif /* AI_ADDRCONFIG */
+
+      rv = getaddrinfo(NULL, service, &hints, &res);
+      if (rv != 0) {
+        errx(1, NULL);
+      }
+      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) {
+          freeaddrinfo(res);
+
+          return;
+        }
+      }
+      errx(1, "Could not start listener");
+    }
+
+We specify the ``acceptcb`` callback which is called when a new connection is
+accepted::
+
+    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, 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 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 _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;
+        }
+
+        return;
+      }
+      if (events & BEV_EVENT_EOF) {
+        fprintf(stderr, "%s EOF\n", session_data->client_addr);
+      } else if (events & BEV_EVENT_ERROR) {
+        fprintf(stderr, "%s network error\n", session_data->client_addr);
+      } 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.  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) {
+      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_stream_close_callback(
+          callbacks, on_stream_close_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_server_new2(&session_data->session, callbacks, session_data,
+                                  option);
+
+      nghttp2_session_callbacks_del(callbacks);
+      nghttp2_option_del(option);
+    }
+
+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) {
+      nghttp2_settings_entry iv[1] = {
+          {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
+      int rv;
+
+      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;
+      }
+      return 0;
+    }
+
+The server connection header is a SETTINGS frame. We specify
+SETTINGS_MAX_CONCURRENT_STREAMS to 100 in the SETTINGS frame.  To queue
+the SETTINGS frame for the transmission, we use
+`nghttp2_submit_settings()`. Note that `nghttp2_submit_settings()`
+function only queues the frame and it does not actually send it. All
+functions in the ``nghttp2_submit_*()`` family have this property. To
+actually send the frame, `nghttp2_session_send()` should be used, as
+described later.
+
+Since bufferevent may buffer more than the first 24 bytes from the client, we
+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) {
+      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) {
+        warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
+        return -1;
+      }
+      if (evbuffer_drain(input, readlen) != 0) {
+        warnx("Fatal error: evbuffer_drain failed");
+        return -1;
+      }
+      if (session_send(session_data) != 0) {
+        return -1;
+      }
+      return 0;
+    }
+
+In this function, we feed all unprocessed but already received data to the
+nghttp2 session object using the `nghttp2_session_mem_recv()` function. The
+`nghttp2_session_mem_recv()` function processes the data and may invoke the
+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) {
+      int rv;
+      rv = nghttp2_session_send(session_data->session);
+      if (rv != 0) {
+        warnx("Fatal error: %s", nghttp2_strerror(rv));
+        return -1;
+      }
+      return 0;
+    }
+
+The `nghttp2_session_send()` function serializes the frame into wire
+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 _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)) >=
+          OUTPUT_WOULDBLOCK_THRESHOLD) {
+        return NGHTTP2_ERR_WOULDBLOCK;
+      }
+      bufferevent_write(bev, data, length);
+      return length;
+    }
+
+Since we use bufferevent to abstract network I/O, we just write the
+data to the bufferevent object. Note that `nghttp2_session_send()`
+continues to write all frames queued so far. If we were writing the
+data to a non-blocking socket directly using ``write()`` system call
+in the ``send_callback()``, we would surely get ``EAGAIN`` or
+``EWOULDBLOCK`` back since the socket has limited send buffer. If that
+happens, we can return :macro:`NGHTTP2_ERR_WOULDBLOCK` to signal the
+nghttp2 library to stop sending further data. But when writing to the
+bufferevent, we have to regulate the amount data to get buffered
+ourselves to avoid using huge amounts of memory. To achieve this, we
+check the size of the output buffer and if it reaches more than or
+equal to ``OUTPUT_WOULDBLOCK_THRESHOLD`` bytes, we stop writing data
+and return :macro:`NGHTTP2_ERR_WOULDBLOCK` to tell the library to stop
+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 _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;
+      }
+    }
+
+In this function, we just call ``session_recv()`` to process incoming
+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) {
+        return;
+      }
+      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) {
+        delete_http2_session_data(session_data);
+        return;
+      }
+    }
+
+First we check whether we should drop the connection or not. The nghttp2
+session object keeps track of reception and transmission of GOAWAY frames and
+other error conditions as well. Using this information, the nghttp2 session
+object will tell whether the connection should be dropped or not. More
+specifically, if both `nghttp2_session_want_read()` and
+`nghttp2_session_want_write()` return 0, we have no business left in the
+connection. But since we are using bufferevent and its deferred callback
+option, the bufferevent output buffer may contain pending data when the
+``writecb()`` is called. To handle this, we check whether the output buffer is
+empty or not. If all these conditions are met, we drop connection.
+
+Otherwise, we call ``session_send()`` to process the pending output
+data. Remember that in ``send_callback()``, we must not write all data to
+bufferevent to avoid excessive buffering. We continue processing pending data
+when the output buffer becomes empty.
+
+We have already described the nghttp2 callback ``send_callback()``.  Let's
+learn about the remaining nghttp2 callbacks we setup in
+``initialize_nghttp2_setup()`` function.
+
+The ``on_begin_headers_callback()`` function is invoked when the reception of
+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;
+      http2_stream_data *stream_data;
+
+      if (frame->hd.type != NGHTTP2_HEADERS ||
+          frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
+        return 0;
+      }
+      stream_data = create_http2_stream_data(session_data, frame->hd.stream_id);
+      nghttp2_session_set_stream_user_data(session, frame->hd.stream_id,
+                                           stream_data);
+      return 0;
+    }
+
+We are only interested in the HEADERS frame in this function. Since the
+HEADERS frame has several roles in the HTTP/2 protocol, we check that it is a
+request HEADERS, which opens new stream. If the frame is a request HEADERS, we
+create a ``http2_stream_data`` object to store the stream related data. We
+associate the created ``http2_stream_data`` object with the stream in the
+nghttp2 session object using `nghttp2_set_stream_user_data()` to get the
+object without searching through the doubly linked list.
+
+In this example server, we want to serve files relative to the current working
+directory in which the program was invoked. Each header name/value pair is
+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, uint8_t flags _U_,
+                                  void *user_data _U_) {
+      http2_stream_data *stream_data;
+      const char PATH[] = ":path";
+      switch (frame->hd.type) {
+      case NGHTTP2_HEADERS:
+        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) {
+          break;
+        }
+        if (namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
+          size_t j;
+          for (j = 0; j < valuelen && value[j] != '?'; ++j)
+            ;
+          stream_data->request_path = percent_decode(value, j);
+        }
+        break;
+      }
+      return 0;
+    }
+
+We search for the ``:path`` header field among the request headers and store
+the requested path in the ``http2_stream_data`` object. In this example
+program, we ignore ``:method`` header field and always treat the request as a
+GET request.
+
+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;
+      http2_stream_data *stream_data;
+      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);
+          /* For DATA and HEADERS frame, this callback may be called after
+             on_stream_close_callback. Check that stream still alive. */
+          if (!stream_data) {
+            return 0;
+          }
+          return on_request_recv(session, session_data, stream_data);
+        }
+        break;
+      default:
+        break;
+      }
+      return 0;
+    }
+
+First we retrieve the ``http2_stream_data`` object associated with the stream
+in ``on_begin_headers_callback()``. It is done using
+`nghttp2_session_get_stream_user_data()`. If the requested path cannot be
+served for some reason (e.g., file is not found), we send a 404 response,
+which is done in ``error_reply()``.  Otherwise, we open the requested file and
+send its content. We send the header field ``:status`` as a single response
+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) {
+      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) {
+        warnx("Fatal error: %s", nghttp2_strerror(rv));
+        return -1;
+      }
+      return 0;
+    }
+
+The nghttp2 library uses the :type:`nghttp2_data_provider` structure to
+send entity body to the remote peer. The ``source`` member of this
+structure is a union and it can be either void pointer or int which is
+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 _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) {
+        return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
+      }
+      if (r == 0) {
+        *data_flags |= NGHTTP2_DATA_FLAG_EOF;
+      }
+      return r;
+    }
+
+If an error happens while reading the file, we return
+:macro:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.  This tells the
+library to send RST_STREAM to the stream.  When all data has been read, set
+the :macro:`NGHTTP2_DATA_FLAG_EOF` flag to ``*data_flags`` to tell the
+nghttp2 library that we have finished reading the file.
+
+The `nghttp2_submit_response()` function is used to send the response to the
+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,
+                                        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) {
+        return 0;
+      }
+      remove_stream(session_data, stream_data);
+      delete_http2_stream_data(stream_data);
+      return 0;
+    }
+
+We destroy the ``http2_stream_data`` object in this function since the stream
+is about to close and we no longer use that object.

doc/tutorial-client.rst.in

@@ -0,0 +1,6 @@
+.. include:: @top_srcdir@/doc/sources/tutorial-client.rst
+
+libevent-client.c
+-----------------
+
+.. literalinclude:: @top_srcdir@/examples/libevent-client.c

doc/tutorial-hpack.rst.in

@@ -0,0 +1,6 @@
+.. include:: @top_srcdir@/doc/sources/tutorial-hpack.rst
+
+deflate.c
+---------
+
+.. literalinclude:: @top_srcdir@/examples/deflate.c

doc/tutorial-server.rst.in

@@ -0,0 +1,6 @@
+.. include:: @top_srcdir@/doc/sources/tutorial-server.rst
+
+libevent-server.c
+-----------------
+
+.. literalinclude:: @top_srcdir@/examples/libevent-server.c

examples/.gitignore

@@ -1 +1,8 @@
 client
+libevent-client
+libevent-server
+deflate
+asio-sv
+tiny-nghttpd
+asio-sv2
+asio-sv3

examples/Makefile.am

@@ -1,4 +1,4 @@
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012 Tatsuhiro Tsujikawa
 
@@ -23,15 +23,63 @@
 
 if ENABLE_EXAMPLES
 
-AM_CFLAGS = -Wall
+AM_CPPFLAGS = \
-AM_CPPFLAGS = -Wall -I$(srcdir)/../lib/includes -I$(builddir)/../lib/includes \
+	-Wall \
-	@OPENSSL_CFLAGS@ @DEFS@
+	-I$(top_srcdir)/lib/includes \
-AM_LDFLAGS = @OPENSSL_LIBS@
+	-I$(top_builddir)/lib/includes \
-LDADD = $(top_builddir)/lib/libnghttp2.la
+	-I$(top_srcdir)/src/includes \
+	-I$(top_srcdir)/third-party \
+	@LIBEVENT_OPENSSL_CFLAGS@ \
+	@OPENSSL_CFLAGS@ \
+	@DEFS@
+AM_LDFLAGS = \
+	@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
 
-noinst_PROGRAMS = client
 client_SOURCES = client.c
 
-endif # ENABLE_EXAMPLES
+libevent_client_SOURCES = libevent-client.c
 
-EXTRA_DIST = README.rst
+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}
+ASIOLDFLAGS = @JEMALLOC_LIBS@
+ASIOLDADD = $(top_builddir)/src/libnghttp2_asio.la
+
+asio_sv_SOURCES = asio-sv.cc
+asio_sv_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv_LDFLAGS = ${ASIOLDFLAGS}
+asio_sv_LDADD = ${ASIOLDADD}
+
+asio_sv2_SOURCES = asio-sv2.cc
+asio_sv2_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv2_LDFLAGS = ${ASIOLDFLAGS}
+asio_sv2_LDADD = ${ASIOLDADD}
+
+asio_sv3_SOURCES = asio-sv3.cc
+asio_sv3_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv3_LDFLAGS = ${ASIOLDFLAGS}
+asio_sv3_LDADD = ${ASIOLDADD}
+
+endif # ENABLE_ASIO_LIB
+
+endif # ENABLE_EXAMPLES

examples/README.rst

@@ -1 +0,0 @@
-spdycat, spdyd and shrpx were moved to ``../src``.

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

@@ -1,5 +1,5 @@
 /*
- * nghttp2 - HTTP/2.0 C Library
+ * nghttp2 - HTTP/2 C Library
  *
  * Copyright (c) 2013 Tatsuhiro Tsujikawa
  *
@@ -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>
@@ -44,12 +48,21 @@
 
 #include <openssl/ssl.h>
 #include <openssl/err.h>
+#include <openssl/conf.h>
 
-enum {
+enum { IO_NONE, WANT_READ, WANT_WRITE };
-  IO_NONE,
+
-  WANT_READ,
+#define MAKE_NV(NAME, VALUE)                                                   \
-  WANT_WRITE
+  {                                                                            \
-};
+    (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                                                   \
+  }
 
 struct Connection {
   SSL *ssl;
@@ -65,7 +78,6 @@ struct Connection {
 
 struct Request {
   char *host;
-  uint16_t port;
   /* In this program, path contains query component as well. */
   char *path;
   /* This is the concatenation of host and port with ":" in
@@ -73,27 +85,25 @@ struct Request {
   char *hostport;
   /* Stream ID for this request. */
   int32_t stream_id;
-  /* The gzip stream inflater for the compressed response. */
+  uint16_t port;
-  nghttp2_gzip *inflater;
 };
 
 struct URI {
   const char *host;
-  size_t hostlen;
-  uint16_t port;
   /* In this program, path contains query component as well. */
   const char *path;
   size_t pathlen;
   const char *hostport;
+  size_t hostlen;
   size_t hostportlen;
+  uint16_t port;
 };
 
 /*
  * 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);
   memcpy(dst, s, len);
@@ -104,8 +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);
 }
@@ -114,8 +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);
 }
@@ -124,64 +132,31 @@ 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);
 }
 
-static char CONTENT_LENGTH[] = "content-encoding";
-static size_t CONTENT_LENGTH_LEN = sizeof(CONTENT_LENGTH) - 1;
-static char GZIP[] = "gzip";
-static size_t GZIP_LEN = sizeof(GZIP) - 1;
-
-/*
- * Check response is content-encoding: gzip. We need this because
- * HTTP/2.0 client is required to support gzip.
- */
-static void check_gzip(struct Request *req, nghttp2_nv *nva, size_t nvlen)
-{
-  size_t i;
-  if(req->inflater) {
-    return;
-  }
-  for(i = 0; i < nvlen; ++i) {
-    if(CONTENT_LENGTH_LEN == nva[i].namelen &&
-       memcmp(CONTENT_LENGTH, nva[i].name, nva[i].namelen) == 0 &&
-       GZIP_LEN == nva[i].valuelen &&
-       memcmp(GZIP, nva[i].value, nva[i].valuelen) == 0) {
-      int rv;
-      rv = nghttp2_gzip_inflate_new(&req->inflater);
-      if(rv != 0) {
-        die("Can't allocate inflate stream.");
-      }
-      break;
-    }
-  }
-}
-
 /*
  * The implementation of nghttp2_send_callback type. Here we write
  * |data| with size |length| to the network and return the number of
  * bytes actually written. See the documentation of
  * nghttp2_send_callback for the details.
  */
-static ssize_t send_callback(nghttp2_session *session,
+static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
-                             const uint8_t *data, size_t length, int flags,
+                             size_t length, int flags _U_, void *user_data) {
-                             void *user_data)
-{
   struct Connection *connection;
-  ssize_t rv;
+  int rv;
   connection = (struct Connection *)user_data;
   connection->want_io = IO_NONE;
   ERR_clear_error();
-  rv = SSL_write(connection->ssl, data, length);
+  rv = SSL_write(connection->ssl, data, (int)length);
   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 ?
+      connection->want_io =
-                             WANT_READ : WANT_WRITE);
+          (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE);
       rv = NGHTTP2_ERR_WOULDBLOCK;
     } else {
       rv = NGHTTP2_ERR_CALLBACK_FAILURE;
@@ -196,21 +171,19 @@ 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,
+static ssize_t recv_callback(nghttp2_session *session _U_, uint8_t *buf,
-                             uint8_t *buf, size_t length, int flags,
+                             size_t length, int flags _U_, void *user_data) {
-                             void *user_data)
-{
   struct Connection *connection;
-  ssize_t rv;
+  int rv;
   connection = (struct Connection *)user_data;
   connection->want_io = IO_NONE;
   ERR_clear_error();
-  rv = SSL_read(connection->ssl, buf, length);
+  rv = SSL_read(connection->ssl, buf, (int)length);
   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 ?
+      connection->want_io =
-                             WANT_READ : WANT_WRITE);
+          (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE);
       rv = NGHTTP2_ERR_WOULDBLOCK;
     } else {
       rv = NGHTTP2_ERR_CALLBACK_FAILURE;
@@ -221,32 +194,9 @@ static ssize_t recv_callback(nghttp2_session *session,
   return rv;
 }
 
-/*
- * The implementation of nghttp2_before_frame_send_callback type.  We
- * use this function to get stream ID of the request. This is because
- * stream ID is not known when we submit the request
- * (nghttp2_submit_request).
- */
-static int before_frame_send_callback(nghttp2_session *session,
-                                      const nghttp2_frame *frame,
-                                      void *user_data)
-{
-  if(frame->hd.type == NGHTTP2_HEADERS &&
-     frame->headers.cat == NGHTTP2_HCAT_REQUEST) {
-    struct Request *req;
-    int32_t stream_id = frame->hd.stream_id;
-    req = nghttp2_session_get_stream_user_data(session, stream_id);
-    if(req && req->stream_id == -1) {
-      req->stream_id = stream_id;
-      printf("[INFO] Stream ID = %d\n", stream_id);
-    }
-  }
-  return 0;
-}
-
 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) {
   case NGHTTP2_HEADERS:
@@ -272,8 +222,8 @@ 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) {
   case NGHTTP2_HEADERS:
@@ -282,7 +232,6 @@ static int on_frame_recv_callback(nghttp2_session *session,
       struct Request *req;
       req = nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
       if (req) {
-        check_gzip(req, frame->headers.nva, frame->headers.nvlen);
         printf("[INFO] C <---------------------------- S (HEADERS)\n");
         for (i = 0; i < frame->headers.nvlen; ++i) {
           fwrite(nva[i].name, nva[i].namelen, 1, stdout);
@@ -309,19 +258,17 @@ 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,
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
-                                    int32_t stream_id,
+                                    uint32_t error_code _U_,
-                                    nghttp2_error_code error_code,
+                                    void *user_data _U_) {
-                                    void *user_data)
-{
   struct Request *req;
   req = nghttp2_session_get_stream_user_data(session, stream_id);
   if (req) {
     int rv;
-    rv = nghttp2_submit_goaway(session, NGHTTP2_FLAG_NONE, NGHTTP2_NO_ERROR,
+    rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
-                               NULL, 0);
+
     if (rv != 0) {
-      diec("nghttp2_submit_goaway", rv);
+      diec("nghttp2_session_terminate_session", rv);
     }
   }
   return 0;
@@ -333,35 +280,17 @@ 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,
+static int on_data_chunk_recv_callback(nghttp2_session *session,
-                                       int32_t stream_id,
+                                       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) {
     printf("[INFO] C <---------------------------- S (DATA chunk)\n"
-           "%lu bytes\n", (unsigned long int)len);
+           "%lu bytes\n",
-    if(req->inflater) {
+           (unsigned long int)len);
-      while(len > 0) {
-        uint8_t out[MAX_OUTLEN];
-        size_t outlen = MAX_OUTLEN;
-        size_t tlen = len;
-        int rv;
-        rv = nghttp2_gzip_inflate(req->inflater, out, &outlen, data, &tlen);
-        if(rv == -1) {
-          nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, stream_id,
-                                    NGHTTP2_INTERNAL_ERROR);
-          break;
-        }
-        fwrite(out, 1, outlen, stdout);
-        data += tlen;
-        len -= tlen;
-      }
-    } else {
     fwrite(data, 1, len, stdout);
-    }
     printf("\n");
   }
   return 0;
@@ -373,34 +302,38 @@ 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);
-  memset(callbacks, 0, sizeof(nghttp2_session_callbacks));
+
-  callbacks->send_callback = send_callback;
+  nghttp2_session_callbacks_set_recv_callback(callbacks, recv_callback);
-  callbacks->recv_callback = recv_callback;
+
-  callbacks->before_frame_send_callback = before_frame_send_callback;
+  nghttp2_session_callbacks_set_on_frame_send_callback(callbacks,
-  callbacks->on_frame_send_callback = on_frame_send_callback;
+                                                       on_frame_send_callback);
-  callbacks->on_frame_recv_callback = on_frame_recv_callback;
+
-  callbacks->on_stream_close_callback = on_stream_close_callback;
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
-  callbacks->on_data_chunk_recv_callback = on_data_chunk_recv_callback;
+                                                       on_frame_recv_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);
 }
 
 /*
  * Callback function for TLS NPN. Since this program only supports
- * HTTP/2.0 protocol, if server does not offer HTTP/2.0 the nghttp2
+ * 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,
+static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
-                                unsigned char **out, unsigned char *outlen,
+                                unsigned char *outlen, const unsigned char *in,
-                                const unsigned char *in, unsigned int inlen,
+                                unsigned int inlen, void *arg _U_) {
-                                void *arg)
-{
   int rv;
-  /* nghttp2_select_next_protocol() selects HTTP/2.0 protocol the
+  /* nghttp2_select_next_protocol() selects HTTP/2 protocol the
      nghttp2 library supports. */
   rv = nghttp2_select_next_protocol(out, outlen, in, inlen);
   if (rv <= 0) {
-    die("Server did not advertise HTTP/2.0 protocol");
+    die("Server did not advertise HTTP/2 protocol");
   }
   return SSL_TLSEXT_ERR_OK;
 }
@@ -408,8 +341,7 @@ 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_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
@@ -418,8 +350,7 @@ static void init_ssl_ctx(SSL_CTX *ssl_ctx)
   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) {
     dief("SSL_set_fd", ERR_error_string(ERR_get_error(), NULL));
@@ -435,8 +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;
@@ -456,7 +386,8 @@ static int connect_to(const char *host, uint16_t port)
       continue;
     }
     while ((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 &&
-          errno == EINTR);
+           errno == EINTR)
+      ;
     if (rv == 0) {
       break;
     }
@@ -467,21 +398,21 @@ 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);
+  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);
+  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));
@@ -493,8 +424,7 @@ 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) ||
       connection->want_io == WANT_READ) {
@@ -511,30 +441,31 @@ 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;
-  int pri = 0;
-  int rv;
-  const char *nv[13];
   /* Make sure that the last item is NULL */
-  nv[0] = ":method";     nv[1] = "GET";
+  const nghttp2_nv nva[] = {MAKE_NV(":method", "GET"),
-  nv[2] = ":path";       nv[3] = req->path;
+                            MAKE_NV_CS(":path", req->path),
-  nv[4] = ":scheme";     nv[5] = "https";
+                            MAKE_NV(":scheme", "https"),
-  nv[6] = ":host";       nv[7] = req->hostport;
+                            MAKE_NV_CS(":authority", req->hostport),
-  nv[8] = "accept";     nv[9] = "*/*";
+                            MAKE_NV("accept", "*/*"),
-  nv[10] = "user-agent"; nv[11] = "nghttp2/"NGHTTP2_VERSION;
+                            MAKE_NV("user-agent", "nghttp2/" NGHTTP2_VERSION)};
-  nv[12] = NULL;
+
-  rv = nghttp2_submit_request(connection->session, pri, nv, NULL, req);
+  stream_id = nghttp2_submit_request(connection->session, NULL, nva,
-  if(rv != 0) {
+                                     sizeof(nva) / sizeof(nva[0]), NULL, req);
-    diec("nghttp2_submit_request", rv);
+
+  if (stream_id < 0) {
+    diec("nghttp2_submit_request", stream_id);
   }
+
+  req->stream_id = stream_id;
+  printf("[INFO] Stream ID = %d\n", stream_id);
 }
 
 /*
  * 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) {
@@ -546,30 +477,25 @@ static void exec_io(struct Connection *connection)
   }
 }
 
-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);
   req->hostport = strcopy(uri->hostport, uri->hostportlen);
   req->stream_id = -1;
-  req->inflater = NULL;
 }
 
-static void request_free(struct Request *req)
+static void request_free(struct Request *req) {
-{
   free(req->host);
   free(req->path);
   free(req->hostport);
-  nghttp2_gzip_inflate_del(req->inflater);
 }
 
 /*
  * 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;
-  nghttp2_session_callbacks callbacks;
   int fd;
   SSL_CTX *ssl_ctx;
   SSL *ssl;
@@ -581,8 +507,6 @@ static void fetch_uri(const struct URI *uri)
 
   request_init(&req, uri);
 
-  setup_nghttp2_callbacks(&callbacks);
-
   /* Establish connection and setup SSL */
   fd = connect_to(req.host, req.port);
   if (fd == -1) {
@@ -605,16 +529,27 @@ 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_HEADER,
+  SSL_write(ssl, NGHTTP2_CLIENT_CONNECTION_PREFACE,
-            NGHTTP2_CLIENT_CONNECTION_HEADER_LEN);
+            NGHTTP2_CLIENT_CONNECTION_PREFACE_LEN);
 
   /* Here make file descriptor non-block */
   make_non_block(fd);
   set_tcp_nodelay(fd);
 
   printf("[INFO] SSL/TLS handshake completed\n");
-  rv = nghttp2_session_client_new(&connection.session, &callbacks,
+
-                                  &connection);
+  rv = nghttp2_session_callbacks_new(&callbacks);
+
+  if (rv != 0) {
+    diec("nghttp2_session_callbacks_new", rv);
+  }
+
+  setup_nghttp2_callbacks(callbacks);
+
+  rv = nghttp2_session_client_new(&connection.session, callbacks, &connection);
+
+  nghttp2_session_callbacks_del(callbacks);
+
   if (rv != 0) {
     diec("nghttp2_session_client_new", rv);
   }
@@ -651,8 +586,7 @@ 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;
@@ -734,8 +668,7 @@ static int parse_uri(struct URI *res, const char *uri)
   return 0;
 }
 
-int main(int argc, char **argv)
+int main(int argc, char **argv) {
-{
   struct URI uri;
   struct sigaction act;
   int rv;
@@ -748,6 +681,8 @@ int main(int argc, char **argv)
   act.sa_handler = SIG_IGN;
   sigaction(SIGPIPE, &act, 0);
 
+  OPENSSL_config(NULL);
+  OpenSSL_add_all_algorithms();
   SSL_load_error_strings();
   SSL_library_init();
 

examples/deflate.c

@@ -0,0 +1,206 @@
+/*
+ * 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.
+ */
+#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                                                   \
+  }
+
+static void deflate(nghttp2_hd_deflater *deflater,
+                    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);
+
+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")};
+  /* Define 2nd header set */
+  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")};
+
+  rv = nghttp2_hd_deflate_new(&deflater, 4096);
+
+  if (rv != 0) {
+    fprintf(stderr, "nghttp2_hd_deflate_init failed with error: %s\n",
+            nghttp2_strerror(rv));
+    exit(EXIT_FAILURE);
+  }
+
+  rv = nghttp2_hd_inflate_new(&inflater);
+
+  if (rv != 0) {
+    fprintf(stderr, "nghttp2_hd_inflate_init failed with error: %s\n",
+            nghttp2_strerror(rv));
+    exit(EXIT_FAILURE);
+  }
+
+  /* Encode and decode 1st header set */
+  deflate(deflater, inflater, nva1, sizeof(nva1) / sizeof(nva1[0]));
+
+  /* Encode and decode 2nd header set, using differential encoding
+     using state after encoding 1st header set. */
+  deflate(deflater, inflater, nva2, sizeof(nva2) / sizeof(nva2[0]));
+
+  nghttp2_hd_inflate_del(inflater);
+  nghttp2_hd_deflate_del(deflater);
+
+  return 0;
+}
+
+static void deflate(nghttp2_hd_deflater *deflater,
+                    nghttp2_hd_inflater *inflater, const nghttp2_nv *const nva,
+                    size_t nvlen) {
+  ssize_t rv;
+  uint8_t *buf;
+  size_t buflen;
+  size_t outlen;
+  size_t i;
+  size_t sum;
+
+  sum = 0;
+
+  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) {
+    fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+    printf(": ");
+    fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+    printf("\n");
+  }
+
+  buflen = nghttp2_hd_deflate_bound(deflater, nva, nvlen);
+  buf = malloc(buflen);
+
+  rv = nghttp2_hd_deflate_hd(deflater, buf, buflen, nva, nvlen);
+
+  if (rv < 0) {
+    fprintf(stderr, "nghttp2_hd_deflate_hd() failed with error: %s\n",
+            nghttp2_strerror((int)rv));
+
+    free(buf);
+
+    exit(EXIT_FAILURE);
+  }
+
+  outlen = rv;
+
+  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) {
+      printf("%08zX: ", i);
+    }
+
+    printf("%02X ", buf[i]);
+
+    if (((i + 1) & 0x0fu) == 0) {
+      printf("\n");
+    }
+  }
+
+  printf("\n\nInflate:\n\n");
+
+  /* We pass 1 to final parameter, because buf contains whole deflated
+     header data. */
+  rv = inflate_header_block(inflater, buf, outlen, 1);
+
+  if (rv != 0) {
+    free(buf);
+
+    exit(EXIT_FAILURE);
+  }
+
+  printf("\n-----------------------------------------------------------"
+         "--------------------\n");
+
+  free(buf);
+}
+
+int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
+                         size_t inlen, int final) {
+  ssize_t rv;
+
+  for (;;) {
+    nghttp2_nv nv;
+    int inflate_flags = 0;
+    size_t proclen;
+
+    rv = nghttp2_hd_inflate_hd(inflater, &nv, &inflate_flags, in, inlen, final);
+
+    if (rv < 0) {
+      fprintf(stderr, "inflate failed with error code %zd", rv);
+      return -1;
+    }
+
+    proclen = rv;
+
+    in += proclen;
+    inlen -= proclen;
+
+    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) {
+      nghttp2_hd_inflate_end_headers(inflater);
+      break;
+    }
+
+    if ((inflate_flags & NGHTTP2_HD_INFLATE_EMIT) == 0 && inlen == 0) {
+      break;
+    }
+  }
+
+  return 0;
+}

examples/libevent-client.c

@@ -0,0 +1,557 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 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.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <err.h>
+#include <signal.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+
+#include <event.h>
+#include <event2/event.h>
+#include <event2/bufferevent_ssl.h>
+#include <event2/dns.h>
+
+#include <nghttp2/nghttp2.h>
+
+#include "http-parser/http_parser.h"
+
+#define ARRLEN(x) (sizeof(x) / sizeof(x[0]))
+
+typedef struct {
+  /* The NULL-terminated URI string to retreive. */
+  const char *uri;
+  /* Parsed result of the |uri| */
+  struct http_parser_url *u;
+  /* The authroity portion of the |uri|, not NULL-terminated */
+  char *authority;
+  /* The path portion of the |uri|, including query, not
+     NULL-terminated */
+  char *path;
+  /* The length of the |authority| */
+  size_t authoritylen;
+  /* The length of the |path| */
+  size_t pathlen;
+  /* The stream ID of this stream */
+  int32_t stream_id;
+} http2_stream_data;
+
+typedef struct {
+  nghttp2_session *session;
+  struct evdns_base *dnsbase;
+  struct bufferevent *bev;
+  http2_stream_data *stream_data;
+} http2_session_data;
+
+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));
+
+  stream_data->uri = uri;
+  stream_data->u = u;
+  stream_data->stream_id = -1;
+
+  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)) {
+    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)) {
+    stream_data->pathlen = u->field_data[UF_PATH].len;
+  }
+  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) {
+    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_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);
+    }
+  } else {
+    stream_data->path = NULL;
+  }
+  return 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) {
+  http2_session_data *session_data = malloc(sizeof(http2_session_data));
+
+  memset(session_data, 0, sizeof(http2_session_data));
+  session_data->dnsbase = evdns_base_new(evbase, 1);
+  return session_data;
+}
+
+static void delete_http2_session_data(http2_session_data *session_data) {
+  SSL *ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+  if (ssl) {
+    SSL_shutdown(ssl);
+  }
+  bufferevent_free(session_data->bev);
+  session_data->bev = NULL;
+  evdns_base_free(session_data->dnsbase, 1);
+  session_data->dnsbase = NULL;
+  nghttp2_session_del(session_data->session);
+  session_data->session = NULL;
+  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) {
+  fwrite(name, namelen, 1, f);
+  fprintf(f, ": ");
+  fwrite(value, valuelen, 1, f);
+  fprintf(f, "\n");
+}
+
+/* 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) {
+  size_t i;
+  for (i = 0; i < nvlen; ++i) {
+    print_header(f, nva[i].name, nva[i].namelen, nva[i].value, nva[i].valuelen);
+  }
+  fprintf(f, "\n");
+}
+
+/* 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 _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;
+}
+
+/* nghttp2_on_header_callback: Called when nghttp2 library emits
+   single header name/value pair. */
+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 &&
+        session_data->stream_data->stream_id == frame->hd.stream_id) {
+      /* Print response headers for the initiated request. */
+      print_header(stderr, name, namelen, value, valuelen);
+      break;
+    }
+  }
+  return 0;
+}
+
+/* nghttp2_on_begin_headers_callback: Called when nghttp2 library gets
+   started to receive header block. */
+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) {
+  case NGHTTP2_HEADERS:
+    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);
+    }
+    break;
+  }
+  return 0;
+}
+
+/* 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 _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 &&
+        session_data->stream_data->stream_id == frame->hd.stream_id) {
+      fprintf(stderr, "All headers received\n");
+    }
+    break;
+  }
+  return 0;
+}
+
+/* nghttp2_on_data_chunk_recv_callback: Called when DATA frame is
+   received from the remote peer. In this implementation, if the frame
+   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 _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) {
+    fwrite(data, len, 1, stdout);
+  }
+  return 0;
+}
+
+/* nghttp2_on_stream_close_callback: Called when a stream is about to
+   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;
+  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);
+    rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
+    if (rv != 0) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+  }
+  return 0;
+}
+
+/* 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 _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) {
+  SSL_CTX *ssl_ctx;
+  ssl_ctx = SSL_CTX_new(SSLv23_client_method());
+  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_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) {
+  SSL *ssl;
+  ssl = SSL_new(ssl_ctx);
+  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) {
+  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_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_header_callback(callbacks,
+                                                   on_header_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) {
+  nghttp2_settings_entry iv[1] = {
+      {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
+  int rv;
+
+  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) {
+    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                                                   \
+  }
+
+#define MAKE_NV2(NAME, VALUE)                                                  \
+  {                                                                            \
+    (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) {
+  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(":authority", stream_data->authority, stream_data->authoritylen),
+      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) {
+    errx(1, "Could not submit HTTP request: %s", nghttp2_strerror(stream_id));
+  }
+
+  stream_data->stream_id = stream_id;
+}
+
+/* Serialize the frame and send (or buffer) the data to
+   bufferevent. */
+static int session_send(http2_session_data *session_data) {
+  int rv;
+
+  rv = nghttp2_session_send(session_data->session);
+  if (rv != 0) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+/* readcb for bufferevent. Here we get the data from the input buffer
+   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;
+  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) {
+    warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
+    delete_http2_session_data(session_data);
+    return;
+  }
+  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) {
+    delete_http2_session_data(session_data);
+    return;
+  }
+}
+
+/* writecb for bufferevent. To greaceful shutdown after sending or
+   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 _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);
+  }
+}
+
+/* eventcb for bufferevent. For the purpose of simplicity and
+   readability of the example program, we omitted the certificate and
+   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) {
+    int fd = bufferevent_getfd(bev);
+    int val = 1;
+    fprintf(stderr, "Connected\n");
+    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
+    initialize_nghttp2_session(session_data);
+    send_client_connection_header(session_data);
+    submit_request(session_data);
+    if (session_send(session_data) != 0) {
+      delete_http2_session_data(session_data);
+    }
+    return;
+  }
+  if (events & BEV_EVENT_EOF) {
+    warnx("Disconnected from the remote host");
+  } else if (events & BEV_EVENT_ERROR) {
+    warnx("Network error");
+  } 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,
+                                const char *host, uint16_t port,
+                                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);
+  bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
+  rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
+                                           AF_UNSPEC, host, port);
+
+  if (rv != 0) {
+    errx(1, "Could not connect to the remote host %s", host);
+  }
+  session_data->bev = bev;
+}
+
+/* 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) {
+  struct http_parser_url u;
+  char *host;
+  uint16_t port;
+  int rv;
+  SSL_CTX *ssl_ctx;
+  struct event_base *evbase;
+  http2_session_data *session_data;
+
+  /* Parse the |uri| and stores its components in |u| */
+  rv = http_parser_parse_url(uri, strlen(uri), 0, &u);
+  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))) {
+    port = 443;
+  } else {
+    port = u.port;
+  }
+
+  ssl_ctx = create_ssl_ctx();
+
+  evbase = event_base_new();
+
+  session_data = create_http2_session_data(evbase);
+  session_data->stream_data = create_http2_stream_data(uri, &u);
+
+  initiate_connection(evbase, ssl_ctx, host, port, session_data);
+  free(host);
+  host = NULL;
+
+  event_base_loop(evbase, 0);
+
+  event_base_free(evbase);
+  SSL_CTX_free(ssl_ctx);
+}
+
+int main(int argc, char **argv) {
+  struct sigaction act;
+
+  if (argc < 2) {
+    fprintf(stderr, "Usage: libevent-client HTTPS_URI\n");
+    exit(EXIT_FAILURE);
+  }
+
+  memset(&act, 0, sizeof(struct sigaction));
+  act.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &act, NULL);
+
+  OPENSSL_config(NULL);
+  OpenSSL_add_all_algorithms();
+  SSL_load_error_strings();
+  SSL_library_init();
+
+  run(argv[1]);
+  return 0;
+}

examples/libevent-server.c

@@ -0,0 +1,733 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 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.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <err.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+
+#include <event.h>
+#include <event2/event.h>
+#include <event2/bufferevent_ssl.h>
+#include <event2/listener.h>
+
+#include <nghttp2/nghttp2.h>
+
+#define OUTPUT_WOULDBLOCK_THRESHOLD (1 << 16)
+
+#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                                                   \
+  }
+
+struct app_context;
+typedef struct app_context app_context;
+
+typedef struct http2_stream_data {
+  struct http2_stream_data *prev, *next;
+  char *request_path;
+  int32_t stream_id;
+  int fd;
+} http2_stream_data;
+
+typedef struct http2_session_data {
+  struct http2_stream_data root;
+  struct bufferevent *bev;
+  app_context *app_ctx;
+  nghttp2_session *session;
+  char *client_addr;
+} http2_session_data;
+
+struct app_context {
+  SSL_CTX *ssl_ctx;
+  struct event_base *evbase;
+};
+
+static unsigned char next_proto_list[256];
+static size_t next_proto_list_len;
+
+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) {
+  SSL_CTX *ssl_ctx;
+  EC_KEY *ecdh;
+
+  ssl_ctx = SSL_CTX_new(SSLv23_server_method());
+  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_SSLv3 |
+                          SSL_OP_NO_COMPRESSION |
+                          SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
+
+  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) {
+    errx(1, "Could not read certificate file %s", cert_file);
+  }
+
+  next_proto_list[0] = NGHTTP2_PROTO_VERSION_ID_LEN;
+  memcpy(&next_proto_list[1], NGHTTP2_PROTO_VERSION_ID,
+         NGHTTP2_PROTO_VERSION_ID_LEN);
+  next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
+
+  SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+  return ssl_ctx;
+}
+
+/* Create SSL object */
+static SSL *create_ssl(SSL_CTX *ssl_ctx) {
+  SSL *ssl;
+  ssl = SSL_new(ssl_ctx);
+  if (!ssl) {
+    errx(1, "Could not create SSL/TLS session object: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  return ssl;
+}
+
+static void add_stream(http2_session_data *session_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) {
+    stream_data->next->prev = 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) {
+    stream_data->next->prev = stream_data->prev;
+  }
+}
+
+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));
+  stream_data->stream_id = stream_id;
+  stream_data->fd = -1;
+
+  add_stream(session_data, stream_data);
+  return stream_data;
+}
+
+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,
+                                                     int fd,
+                                                     struct sockaddr *addr,
+                                                     int addrlen) {
+  int rv;
+  http2_session_data *session_data;
+  SSL *ssl;
+  char host[NI_MAXHOST];
+  int val = 1;
+
+  ssl = create_ssl(app_ctx->ssl_ctx);
+  session_data = malloc(sizeof(http2_session_data));
+  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,
+      BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
+  rv = getnameinfo(addr, addrlen, host, sizeof(host), NULL, 0, NI_NUMERICHOST);
+  if (rv != 0) {
+    session_data->client_addr = strdup("(unknown)");
+  } else {
+    session_data->client_addr = strdup(host);
+  }
+
+  return 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) {
+    SSL_shutdown(ssl);
+  }
+  bufferevent_free(session_data->bev);
+  nghttp2_session_del(session_data->session);
+  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;
+  }
+  free(session_data->client_addr);
+  free(session_data);
+}
+
+/* Serialize the frame and send (or buffer) the data to
+   bufferevent. */
+static int session_send(http2_session_data *session_data) {
+  int rv;
+  rv = nghttp2_session_send(session_data->session);
+  if (rv != 0) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+/* Read the data in the bufferevent and feed them into nghttp2 library
+   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) {
+  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) {
+    warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
+    return -1;
+  }
+  if (evbuffer_drain(input, readlen) != 0) {
+    warnx("Fatal error: evbuffer_drain failed");
+    return -1;
+  }
+  if (session_send(session_data) != 0) {
+    return -1;
+  }
+  return 0;
+}
+
+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)) >=
+      OUTPUT_WOULDBLOCK_THRESHOLD) {
+    return NGHTTP2_ERR_WOULDBLOCK;
+  }
+  bufferevent_write(bev, data, length);
+  return length;
+}
+
+/* Returns nonzero if the string |s| ends with the substring |sub| */
+static int ends_with(const char *s, const char *sub) {
+  size_t slen = strlen(s);
+  size_t sublen = strlen(sub);
+  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') {
+    return c - '0';
+  }
+  if ('A' <= c && c <= 'F') {
+    return c - 'A' + 10;
+  }
+  if ('a' <= c && c <= 'f') {
+    return c - 'a' + 10;
+  }
+  return 0;
+}
+
+/* Decodes percent-encoded byte string |value| with length |valuelen|
+   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) {
+  char *res;
+
+  res = malloc(valuelen + 1);
+  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])) {
+        res[j++] = value[i++];
+        continue;
+      }
+      res[j++] = (hex_to_uint(value[i + 1]) << 4) + hex_to_uint(value[i + 2]);
+      i += 3;
+    }
+    memcpy(&res[j], &value[i], 2);
+    res[j + 2] = '\0';
+  } else {
+    memcpy(res, value, valuelen);
+    res[valuelen] = '\0';
+  }
+  return res;
+}
+
+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) {
+    return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
+  }
+  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) {
+  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) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+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) {
+  int rv;
+  ssize_t writelen;
+  int pipefd[2];
+  nghttp2_nv hdrs[] = {MAKE_NV(":status", "404")};
+
+  rv = pipe(pipefd);
+  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) {
+      warnx("Fatal error: %s", nghttp2_strerror(rv));
+      return -1;
+    }
+    return 0;
+  }
+
+  writelen = write(pipefd[1], ERROR_HTML, sizeof(ERROR_HTML) - 1);
+  close(pipefd[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),
+                    pipefd[0]) != 0) {
+    close(pipefd[0]);
+    return -1;
+  }
+  return 0;
+}
+
+/* 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 _U_,
+                              void *user_data _U_) {
+  http2_stream_data *stream_data;
+  const char PATH[] = ":path";
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    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) {
+      break;
+    }
+    if (namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
+      size_t j;
+      for (j = 0; j < valuelen && value[j] != '?'; ++j)
+        ;
+      stream_data->request_path = percent_decode(value, j);
+    }
+    break;
+  }
+  return 0;
+}
+
+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;
+  http2_stream_data *stream_data;
+
+  if (frame->hd.type != NGHTTP2_HEADERS ||
+      frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
+    return 0;
+  }
+  stream_data = create_http2_stream_data(session_data, frame->hd.stream_id);
+  nghttp2_session_set_stream_user_data(session, frame->hd.stream_id,
+                                       stream_data);
+  return 0;
+}
+
+/* Minimum check for directory traversal. Returns nonzero if it is
+   safe. */
+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 &&
+         !ends_with(path, "/..") && !ends_with(path, "/.");
+}
+
+static int on_request_recv(nghttp2_session *session,
+                           http2_session_data *session_data,
+                           http2_stream_data *stream_data) {
+  int fd;
+  nghttp2_nv hdrs[] = {MAKE_NV(":status", "200")};
+  char *rel_path;
+
+  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) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+    return 0;
+  }
+  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) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+    return 0;
+  }
+  stream_data->fd = fd;
+
+  if (send_response(session, stream_data->stream_id, hdrs, ARRLEN(hdrs), fd) !=
+      0) {
+    close(fd);
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  }
+  return 0;
+}
+
+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;
+  http2_stream_data *stream_data;
+  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);
+      /* For DATA and HEADERS frame, this callback may be called after
+         on_stream_close_callback. Check that stream still alive. */
+      if (!stream_data) {
+        return 0;
+      }
+      return on_request_recv(session, session_data, stream_data);
+    }
+    break;
+  default:
+    break;
+  }
+  return 0;
+}
+
+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) {
+    return 0;
+  }
+  remove_stream(session_data, stream_data);
+  delete_http2_stream_data(stream_data);
+  return 0;
+}
+
+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_stream_close_callback(
+      callbacks, on_stream_close_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_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) {
+  nghttp2_settings_entry iv[1] = {
+      {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
+  int rv;
+
+  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;
+  }
+  return 0;
+}
+
+/* readcb for bufferevent after client connection header was
+   checked. */
+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;
+  }
+}
+
+/* writecb for bufferevent. To greaceful shutdown after sending or
+   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. If the
+   connection is not going to shutdown, we call session_send() to
+   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) {
+    return;
+  }
+  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) {
+    delete_http2_session_data(session_data);
+    return;
+  }
+}
+
+/* eventcb for bufferevent */
+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;
+    }
+
+    return;
+  }
+  if (events & BEV_EVENT_EOF) {
+    fprintf(stderr, "%s EOF\n", session_data->client_addr);
+  } else if (events & BEV_EVENT_ERROR) {
+    fprintf(stderr, "%s network error\n", session_data->client_addr);
+  } else if (events & BEV_EVENT_TIMEOUT) {
+    fprintf(stderr, "%s timeout\n", session_data->client_addr);
+  }
+  delete_http2_session_data(session_data);
+}
+
+/* callback for evconnlistener */
+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, readcb, writecb, eventcb, session_data);
+}
+
+static void start_listen(struct event_base *evbase, const char *service,
+                         app_context *app_ctx) {
+  int rv;
+  struct addrinfo hints;
+  struct addrinfo *res, *rp;
+
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_family = AF_UNSPEC;
+  hints.ai_socktype = SOCK_STREAM;
+  hints.ai_flags = AI_PASSIVE;
+#ifdef AI_ADDRCONFIG
+  hints.ai_flags |= AI_ADDRCONFIG;
+#endif /* AI_ADDRCONFIG */
+
+  rv = getaddrinfo(NULL, service, &hints, &res);
+  if (rv != 0) {
+    errx(1, NULL);
+  }
+  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) {
+      freeaddrinfo(res);
+
+      return;
+    }
+  }
+  errx(1, "Could not start listener");
+}
+
+static void initialize_app_context(app_context *app_ctx, SSL_CTX *ssl_ctx,
+                                   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) {
+  SSL_CTX *ssl_ctx;
+  app_context app_ctx;
+  struct event_base *evbase;
+
+  ssl_ctx = create_ssl_ctx(key_file, cert_file);
+  evbase = event_base_new();
+  initialize_app_context(&app_ctx, ssl_ctx, evbase);
+  start_listen(evbase, service, &app_ctx);
+
+  event_base_loop(evbase, 0);
+
+  event_base_free(evbase);
+  SSL_CTX_free(ssl_ctx);
+}
+
+int main(int argc, char **argv) {
+  struct sigaction act;
+
+  if (argc < 4) {
+    fprintf(stderr, "Usage: libevent-server PORT KEY_FILE CERT_FILE\n");
+    exit(EXIT_FAILURE);
+  }
+
+  memset(&act, 0, sizeof(struct sigaction));
+  act.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &act, NULL);
+
+  OPENSSL_config(NULL);
+  OpenSSL_add_all_algorithms();
+  SSL_load_error_strings();
+  SSL_library_init();
+
+  run(argv[1], argv[2], argv[3]);
+  return 0;
+}

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')

gennmchartbl.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+import sys
+
+def name(i):
+    if i < 0x21:
+        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  ',
+             'SPC '][i]
+    elif i == 0x7f:
+        return 'DEL '
+
+for i in range(256):
+    if chr(i) in ["!" , "#" , "$" , "%" , "&" , "'" , "*",
+                  "+" , "-" , "." , "^" , "_" , "`" , "|" , "~"] or\
+        ('0' <= chr(i) and chr(i) <= '9') or \
+        ('a' <= chr(i) and chr(i) <= 'z'):
+        sys.stdout.write('1 /* {}    */, '.format(chr(i)))
+    elif (0x21 <= i and i < 0x7f):
+        sys.stdout.write('0 /* {}    */, '.format(chr(i)))
+    elif 0x80 <= i:
+        sys.stdout.write('0 /* {} */, '.format(hex(i)))
+    else:
+        sys.stdout.write('0 /* {} */, '.format(name(i)))
+    if (i + 1)%4 == 0:
+        sys.stdout.write('\n')

genvchartbl.py

@@ -0,0 +1,28 @@
+#!/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('1 /* SPC  */, ')
+    elif chr(i) == '\t':
+        sys.stdout.write('1 /* HT   */, ')
+    elif (0x21 <= i and i < 0x7f):
+        sys.stdout.write('1 /* {}    */, '.format(chr(i)))
+    elif 0x80 <= i:
+        sys.stdout.write('1 /* {} */, '.format(hex(i)))
+    elif 0 == i:
+        sys.stdout.write('1 /* NUL  */, ')
+    else:
+        sys.stdout.write('0 /* {} */, '.format(name(i)))
+    if (i + 1)%4 == 0:
+        sys.stdout.write('\n')

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()

hdtest/.gitignore

@@ -1,2 +0,0 @@
-deflatehd
-inflatehd

hdtest/README.rst

@@ -1 +0,0 @@
-Tools for header compression

hdtest/deflatehd.c

@@ -1,354 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <assert.h>
-#include <errno.h>
-#include <stdlib.h>
-
-#include <jansson.h>
-
-#include "nghttp2_hd.h"
-#include "nghttp2_frame.h"
-
-#include "comp_helper.h"
-
-typedef struct {
-  nghttp2_hd_side side;
-  size_t table_size;
-  size_t deflate_table_size;
-  int http1text;
-  int dump_header_table;
-} deflate_config;
-
-static deflate_config config;
-
-static void to_hex(char *dest, const uint8_t *src, size_t len)
-{
-  size_t i;
-  for(i = 0; i < len; ++i) {
-    sprintf(dest, "%02x", src[i]);
-    dest += 2;
-  }
-}
-
-static void output_to_json(nghttp2_hd_context *deflater,
-                           const uint8_t *buf, size_t len, size_t inputlen,
-                           int seq)
-{
-  json_t *obj;
-  char hex[16*1024];
-
-  if(len * 2 > sizeof(hex)) {
-    fprintf(stderr, "Output too large at %d\n", seq);
-    exit(EXIT_FAILURE);
-  }
-  obj = json_object();
-  json_object_set_new(obj, "seq", json_integer(seq));
-  json_object_set_new(obj, "inputLen", json_integer(inputlen));
-  json_object_set_new(obj, "outputLength", json_integer(len));
-  json_object_set_new(obj, "percentageOfOriginalSize",
-                      json_real((double)len / inputlen * 100));
-  to_hex(hex, buf, len);
-  json_object_set_new(obj, "output", json_pack("s#", hex, len * 2));
-  if(config.dump_header_table) {
-    json_object_set_new(obj, "headerTable", dump_header_table(deflater));
-  }
-  json_dumpf(obj, stdout, JSON_PRESERVE_ORDER | JSON_INDENT(2));
-  printf("\n");
-  json_decref(obj);
-}
-
-static void deflate_hd(nghttp2_hd_context *deflater,
-                       nghttp2_nv *nva, size_t nvlen, size_t inputlen, int seq)
-{
-  ssize_t rv;
-  uint8_t *buf = NULL;
-  size_t buflen = 0;
-  rv = nghttp2_hd_deflate_hd(deflater, &buf, &buflen, 0, nva, nvlen);
-  if(rv < 0) {
-    fprintf(stderr, "deflate failed with error code %zd at %d\n", rv, seq);
-    exit(EXIT_FAILURE);
-  }
-  output_to_json(deflater, buf, rv, inputlen, seq);
-  nghttp2_hd_end_headers(deflater);
-  free(buf);
-}
-
-static int deflate_hd_json(json_t *obj, nghttp2_hd_context *deflater, int seq)
-{
-  json_t *js;
-  nghttp2_nv nva[128];
-  size_t len;
-  size_t i;
-  size_t inputlen = 0;
-
-  js = json_object_get(obj, "headers");
-  if(js == NULL) {
-    fprintf(stderr, "headers key is missing at %d\n", seq);
-    return -1;
-  }
-  if(!json_is_array(js)) {
-    fprintf(stderr, "headers value must be an array at %d\n", seq);
-    return -1;
-  }
-  len = json_array_size(js);
-  if(len > sizeof(nva)/sizeof(nva[0])) {
-    fprintf(stderr, "Too many headers (> %zu) at %d\n",
-            sizeof(nva)/sizeof(nva[0]), seq);
-    return -1;
-  }
-  for(i = 0; i < len; ++i) {
-    json_t *nv_pair = json_array_get(js, i);
-    json_t *s;
-    if(!json_is_array(nv_pair) || json_array_size(nv_pair) != 2) {
-      fprintf(stderr, "bad formatted name/value pair array at %d\n", seq);
-      return -1;
-    }
-    s = json_array_get(nv_pair, 0);
-    if(!json_is_string(s)) {
-      fprintf(stderr, "bad formatted name/value pair array at %d\n", seq);
-      return -1;
-    }
-    nva[i].name = (uint8_t*)json_string_value(s);
-    nva[i].namelen = strlen(json_string_value(s));
-
-    s = json_array_get(nv_pair, 1);
-    if(!json_is_string(s)) {
-      fprintf(stderr, "bad formatted name/value pair array at %d\n", seq);
-      return -1;
-    }
-    nva[i].value = (uint8_t*)json_string_value(s);
-    nva[i].valuelen = strlen(json_string_value(s));
-    inputlen += nva[i].namelen + nva[i].valuelen;
-  }
-  deflate_hd(deflater, nva, len, inputlen, seq);
-  return 0;
-}
-
-static int perform(nghttp2_hd_context *deflater)
-{
-  size_t i;
-  json_t *json;
-  json_error_t error;
-  size_t len;
-  json = json_loadf(stdin, 0, &error);
-  if(json == NULL) {
-    fprintf(stderr, "JSON loading failed\n");
-    exit(EXIT_FAILURE);
-  }
-  printf("[\n");
-  len = json_array_size(json);
-  for(i = 0; i < len; ++i) {
-    json_t *obj = json_array_get(json, i);
-    if(!json_is_object(obj)) {
-      fprintf(stderr, "Unexpected JSON type at %zu. It should be object.\n",
-              i);
-      continue;
-    }
-    if(deflate_hd_json(obj, deflater, i) != 0) {
-      continue;
-    }
-    if(i + 1 < len) {
-      printf(",\n");
-    }
-  }
-  printf("]\n");
-  json_decref(json);
-  return 0;
-}
-
-static int perform_from_http1text(nghttp2_hd_context *deflater)
-{
-  char line[1 << 14];
-  nghttp2_nv nva[256];
-  int seq = 0;
-  printf("[\n");
-  for(;;) {
-    size_t nvlen = 0;
-    int end = 0;
-    size_t inputlen = 0;
-    size_t i;
-    for(;;) {
-      nghttp2_nv *nv;
-      char *rv = fgets(line, sizeof(line), stdin);
-      char *val, *val_end;
-      if(rv == NULL) {
-        end = 1;
-        break;
-      } else if(line[0] == '\n') {
-        break;
-      }
-      assert(nvlen < sizeof(nva)/sizeof(nva[0]));
-      nv = &nva[nvlen];
-      val = strchr(line+1, ':');
-      if(val == NULL) {
-        fprintf(stderr, "Bad HTTP/1 header field format at %d.\n", seq);
-        exit(EXIT_FAILURE);
-      }
-      *val = '\0';
-      ++val;
-      for(; *val && (*val == ' ' || *val == '\t'); ++val);
-      for(val_end = val; *val_end && (*val_end != '\r' && *val_end != '\n');
-          ++val_end);
-      *val_end = '\0';
-      /* printf("[%s] : [%s]\n", line, val); */
-      nv->namelen = strlen(line);
-      nv->valuelen = strlen(val);
-      nv->name = (uint8_t*)strdup(line);
-      nv->value = (uint8_t*)strdup(val);
-      ++nvlen;
-      inputlen += nv->namelen + nv->valuelen;
-    }
-
-    deflate_hd(deflater, nva, nvlen, inputlen, seq);
-
-    for(i = 0; i < nvlen; ++i) {
-      free(nva[i].name);
-      free(nva[i].value);
-    }
-    if(end) break;
-    printf(",\n");
-    ++seq;
-  }
-  printf("]\n");
-  return 0;
-}
-
-static void print_help(void)
-{
-  printf("HPACK-draft-04 header compressor\n"
-         "Usage: deflatehd [OPTIONS] < INPUT\n"
-         "\n"
-         "Reads JSON array or HTTP/1-style header fields from stdin and\n"
-         "outputs deflated header block in JSON array.\n"
-         "\n"
-         "For the JSON input, the element of input array must be a JSON\n"
-         "object. Each object must have at least following key:\n"
-         "\n"
-         "    headers: a JSON array of name/value pairs. The each element is\n"
-         "             a JSON array of 2 strings. The index 0 must\n"
-         "             contain header name and the index 1 must contain\n"
-         "             header value.\n"
-         "\n"
-         "Example:\n"
-         "[\n"
-         "  {\n"
-         "    \"headers\": [\n"
-         "      [ \":method\", \"GET\" ],\n"
-         "      [ \":path\", \"/\" ]\n"
-         "    ]\n"
-         "  },\n"
-         "  {\n"
-         "    \"headers\": [\n"
-         "      [ \":method\", \"POST\" ],\n"
-         "      [ \":path\", \"/\" ]\n"
-         "    ]\n"
-         "  }\n"
-         "]\n"
-         "\n"
-         "With -t option, the program can accept more familiar HTTP/1 style\n"
-         "header field block. Each header set is delimited by empty line:\n"
-         "\n"
-         "Example:\n"
-         ":method: GET\n"
-         ":scheme: https\n"
-         ":path: /\n"
-         "\n"
-         ":method: POST\n"
-         "user-agent: nghttp2\n"
-         "\n"
-         "The output of this program can be used as input for inflatehd.\n"
-         "\n"
-         "OPTIONS:\n"
-         "    -r, --response    Use response compression context instead of\n"
-         "                      request.\n"
-         "    -t, --http1text   Use HTTP/1 style header field text as input.\n"
-         "                      Each header set is delimited by single empty\n"
-         "                      line.\n"
-         "    -s, --table-size=<N>\n"
-         "                      Set dynamic table size. In the HPACK\n"
-         "                      specification, this value is denoted by\n"
-         "                      SETTINGS_HEADER_TABLE_SIZE.\n"
-         "                      Default: 4096\n"
-         "    -S, --deflate-table-size=<N>\n"
-         "                      Use first N bytes of dynamic header table\n"
-         "                      buffer.\n"
-         "                      Default: 4096\n"
-         "    -d, --dump-header-table\n"
-         "                      Output dynamic header table.\n");
-}
-
-static struct option long_options[] = {
-  {"response", no_argument, NULL, 'r'},
-  {"http1text", no_argument, NULL, 't'},
-  {"table-size", required_argument, NULL, 's'},
-  {"deflate-table-size", required_argument, NULL, 'S'},
-  {"dump-header-table", no_argument, NULL, 'd'},
-  {NULL, 0, NULL, 0 }
-};
-
-int main(int argc, char **argv)
-{
-  nghttp2_hd_context deflater;
-  char *end;
-
-  config.side = NGHTTP2_HD_SIDE_REQUEST;
-  config.table_size = NGHTTP2_HD_DEFAULT_MAX_BUFFER_SIZE;
-  config.deflate_table_size = NGHTTP2_HD_DEFAULT_MAX_DEFLATE_BUFFER_SIZE;
-  config.http1text = 0;
-  config.dump_header_table = 0;
-  while(1) {
-    int option_index = 0;
-    int c = getopt_long(argc, argv, "S:dhrs:t", long_options, &option_index);
-    if(c == -1) {
-      break;
-    }
-    switch(c) {
-    case 'r':
-      /* --response */
-      config.side = NGHTTP2_HD_SIDE_RESPONSE;
-      break;
-    case 'h':
-      print_help();
-      exit(EXIT_SUCCESS);
-    case 't':
-      /* --http1text */
-      config.http1text = 1;
-      break;
-    case 's':
-      /* --table-size */
-      config.table_size = strtoul(optarg, &end, 10);
-      if(errno == ERANGE || *end != '\0') {
-        fprintf(stderr, "-s: Bad option value\n");
-        exit(EXIT_FAILURE);
-      }
-      break;
-    case 'S':
-      /* --deflate-table-size */
-      config.deflate_table_size = strtoul(optarg, &end, 10);
-      if(errno == ERANGE || *end != '\0') {
-        fprintf(stderr, "-S: Bad option value\n");
-        exit(EXIT_FAILURE);
-      }
-      break;
-    case 'd':
-      /* --dump-header-table */
-      config.dump_header_table = 1;
-      break;
-    case '?':
-      exit(EXIT_FAILURE);
-    default:
-      break;
-    }
-  }
-  nghttp2_hd_deflate_init2(&deflater, config.side, config.deflate_table_size);
-  nghttp2_hd_change_table_size(&deflater, config.table_size);
-  if(config.http1text) {
-    perform_from_http1text(&deflater);
-  } else {
-    perform(&deflater);
-  }
-  nghttp2_hd_deflate_free(&deflater);
-  return 0;
-}

hdtest/inflatehd.c

@@ -1,220 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <assert.h>
-#include <errno.h>
-#include <stdlib.h>
-
-#include <jansson.h>
-
-#include "nghttp2_hd.h"
-#include "nghttp2_frame.h"
-
-#include "comp_helper.h"
-
-typedef struct {
-  nghttp2_hd_side side;
-  size_t table_size;
-  int dump_header_table;
-} inflate_config;
-
-static inflate_config config;
-
-static uint8_t to_ud(char c)
-{
-  if(c >= 'A' && c <= 'Z') {
-    return c - 'A' + 10;
-  } else if(c >= 'a' && c <= 'z') {
-    return c - 'a' + 10;
-  } else {
-    return c - '0';
-  }
-}
-
-static void decode_hex(uint8_t *dest, const char *src, size_t len)
-{
-  size_t i;
-  for(i = 0; i < len; i += 2) {
-    *dest++ = to_ud(src[i]) << 4 | to_ud(src[i + 1]);
-  }
-}
-
-static void nva_to_json(nghttp2_hd_context *inflater,
-                        const nghttp2_nv *nva, size_t nvlen, int seq)
-{
-  size_t i;
-  json_t *obj;
-  json_t *headers;
-  obj = json_object();
-  json_object_set_new(obj, "seq", json_integer(seq));
-  headers = json_array();
-  json_object_set_new(obj, "headers", headers);
-  for(i = 0; i < nvlen; ++i) {
-    json_t *nv_pair = json_array();
-    const nghttp2_nv *nv = &nva[i];
-    json_array_append_new(nv_pair, json_pack("s#", nv->name, nv->namelen));
-    json_array_append_new(nv_pair, json_pack("s#", nv->value, nv->valuelen));
-    json_array_append_new(headers, nv_pair);
-  }
-  if(config.dump_header_table) {
-    json_object_set_new(obj, "headerTable", dump_header_table(inflater));
-  }
-  json_dumpf(obj, stdout, JSON_INDENT(2) | JSON_PRESERVE_ORDER);
-  json_decref(obj);
-  printf("\n");
-}
-
-static int inflate_hd(json_t *obj, nghttp2_hd_context *inflater, int seq)
-{
-  json_t *js;
-  size_t inputlen;
-  uint8_t buf[16*1024];
-  ssize_t resnvlen;
-  nghttp2_nv *resnva;
-
-  js = json_object_get(obj, "output");
-  if(js == NULL) {
-    fprintf(stderr, "output key is missing at %d\n", seq);
-    return -1;
-  }
-  inputlen = strlen(json_string_value(js));
-  if(inputlen & 1) {
-    fprintf(stderr, "Badly formatted output value at %d\n", seq);
-    exit(EXIT_FAILURE);
-  }
-  if(inputlen / 2 > sizeof(buf)) {
-    fprintf(stderr, "Too big input length %zu at %d\n", inputlen / 2, seq);
-    exit(EXIT_FAILURE);
-  }
-  decode_hex(buf, json_string_value(js), inputlen);
-
-  resnvlen = nghttp2_hd_inflate_hd(inflater, &resnva, buf, inputlen / 2);
-  if(resnvlen < 0) {
-    fprintf(stderr, "inflate failed with error code %zd at %d\n",
-            resnvlen, seq);
-    exit(EXIT_FAILURE);
-  }
-  nva_to_json(inflater, resnva, resnvlen, seq);
-  nghttp2_hd_end_headers(inflater);
-  nghttp2_nv_array_del(resnva);
-  return 0;
-}
-
-static int perform()
-{
-  nghttp2_hd_context inflater;
-  size_t i;
-  json_t *json;
-  json_error_t error;
-  size_t len;
-
-  json = json_loadf(stdin, 0, &error);
-  if(json == NULL) {
-    fprintf(stderr, "JSON loading failed\n");
-    exit(EXIT_FAILURE);
-  }
-  nghttp2_hd_inflate_init(&inflater, config.side);
-  nghttp2_hd_change_table_size(&inflater, config.table_size);
-  printf("[\n");
-  len = json_array_size(json);
-  for(i = 0; i < len; ++i) {
-    json_t *obj = json_array_get(json, i);
-    if(!json_is_object(obj)) {
-      fprintf(stderr, "Unexpected JSON type at %zu. It should be object.\n",
-              i);
-      continue;
-    }
-    if(inflate_hd(obj, &inflater, i) != 0) {
-      continue;
-    }
-    if(i + 1 < len) {
-      printf(",\n");
-    }
-  }
-  printf("]\n");
-  nghttp2_hd_inflate_free(&inflater);
-  json_decref(json);
-  return 0;
-}
-
-static void print_help(void)
-{
-  printf("HPACK-draft-04 header decompressor\n"
-         "Usage: inflatehd [OPTIONS] < INPUT\n"
-         "\n"
-         "Reads JSON array from stdin and outputs inflated name/value pairs\n"
-         "in JSON array.\n"
-         "The element of input array must be a JSON object. Each object must\n"
-         "have at least following key:\n"
-         "\n"
-         "    output: deflated header block in hex-string.\n"
-         "\n"
-         "Example:\n"
-         "[\n"
-         "    { \"output\": \"0284f77778ff\" },\n"
-         "    { \"output\": \"0185fafd3c3c7f81\" }\n"
-         "]\n"
-         "\n"
-         "The output of this program can be used as input for deflatehd.\n"
-         "\n"
-         "OPTIONS:\n"
-         "    -r, --response    Use response compression context instead of\n"
-         "                      request.\n"
-         "    -s, --table-size=<N>\n"
-         "                      Set dynamic table size. In the HPACK\n"
-         "                      specification, this value is denoted by\n"
-         "                      SETTINGS_HEADER_TABLE_SIZE.\n"
-         "                      Default: 4096\n"
-         "    -d, --dump-header-table\n"
-         "                      Output dynamic header table.\n");
-}
-
-static struct option long_options[] = {
-  {"response", no_argument, NULL, 'r'},
-  {"table-size", required_argument, NULL, 's'},
-  {"dump-header-table", no_argument, NULL, 'd'},
-  {NULL, 0, NULL, 0 }
-};
-
-int main(int argc, char **argv)
-{
-  char *end;
-  config.side = NGHTTP2_HD_SIDE_REQUEST;
-  config.table_size = NGHTTP2_HD_DEFAULT_MAX_BUFFER_SIZE;
-  config.dump_header_table = 0;
-  while(1) {
-    int option_index = 0;
-    int c = getopt_long(argc, argv, "dhrs:", long_options, &option_index);
-    if(c == -1) {
-      break;
-    }
-    switch(c) {
-    case 'r':
-      /* --response */
-      config.side = NGHTTP2_HD_SIDE_RESPONSE;
-      break;
-    case 'h':
-      print_help();
-      exit(EXIT_SUCCESS);
-    case 's':
-      /* --table-size */
-      config.table_size = strtoul(optarg, &end, 10);
-      if(errno == ERANGE || *end != '\0') {
-        fprintf(stderr, "-s: Bad option value\n");
-        exit(EXIT_FAILURE);
-      }
-      break;
-    case 'd':
-      /* --dump-header-table */
-      config.dump_header_table = 1;
-      break;
-    case '?':
-      exit(EXIT_FAILURE);
-    default:
-      break;
-    }
-  }
-  perform();
-  return 0;
-}

lib/Makefile.am

@@ -1,4 +1,4 @@
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012, 2013 Tatsuhiro Tsujikawa
 
@@ -22,6 +22,8 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 SUBDIRS = includes
 
+EXTRA_DIST = Makefile.msvc
+
 AM_CFLAGS = -Wall
 AM_CPPFLAGS = -I$(srcdir)/includes -I$(builddir)/includes @DEFS@
 
@@ -32,21 +34,29 @@ DISTCLEANFILES = $(pkgconfig_DATA)
 lib_LTLIBRARIES = libnghttp2.la
 
 OBJECTS = nghttp2_pq.c nghttp2_map.c nghttp2_queue.c \
-	nghttp2_buffer.c nghttp2_frame.c \
+	nghttp2_frame.c \
+	nghttp2_buf.c \
 	nghttp2_stream.c nghttp2_outbound_item.c \
 	nghttp2_session.c nghttp2_submit.c \
 	nghttp2_helper.c \
-	nghttp2_npn.c nghttp2_gzip.c \
+	nghttp2_npn.c \
 	nghttp2_hd.c nghttp2_hd_huffman.c nghttp2_hd_huffman_data.c \
-	nghttp2_version.c
+	nghttp2_version.c \
+	nghttp2_priority_spec.c \
+	nghttp2_option.c \
+	nghttp2_callbacks.c
 
 HFILES = nghttp2_pq.h nghttp2_int.h nghttp2_map.h nghttp2_queue.h \
-	nghttp2_buffer.h nghttp2_frame.h \
+	nghttp2_frame.h \
+	nghttp2_buf.h \
 	nghttp2_session.h nghttp2_helper.h nghttp2_stream.h nghttp2_int.h \
-	nghttp2_npn.h nghttp2_gzip.h \
+	nghttp2_npn.h \
 	nghttp2_submit.h nghttp2_outbound_item.h \
 	nghttp2_net.h \
-	nghttp2_hd.h nghttp2_hd_huffman.h
+	nghttp2_hd.h nghttp2_hd_huffman.h \
+	nghttp2_priority_spec.h \
+	nghttp2_option.h \
+	nghttp2_callbacks.h
 
 libnghttp2_la_SOURCES = $(HFILES) $(OBJECTS)
 libnghttp2_la_LDFLAGS = -no-undefined \

lib/Makefile.msvc

@@ -0,0 +1,266 @@
+#
+# GNU Makefile for nghttp2 / MSVC.
+#
+# By G. Vanem <gvanem@yahoo.no> 2013
+# The MIT License apply.
+#
+
+#
+# Choose your weapons:
+#  Set 'ZLIB_ROOT' to the root of zlib.
+#  Set 'USE_CYTHON=1' to build and install the 'nghttp2.pyd' Python extension.
+#
+ZLIB_ROOT  = g:/MingW32/src/Compression/zlib-1.2.8
+USE_CYTHON = 1
+
+_VERSION   := $(shell grep AC_INIT ../configure.ac | cut -d'[' -f3 | sed -e 's/-DEV], //g')
+_VERSION   := $(subst ., ,$(_VERSION))
+VER_MAJOR   = $(word 1,$(_VERSION))
+VER_MINOR   = $(word 2,$(_VERSION))
+VER_MICRO   = $(word 3,$(_VERSION))
+VERSION     = $(VER_MAJOR).$(VER_MINOR).$(VER_MICRO)
+VERSION_NUM = ($(VER_MAJOR) << 16) + ($(VER_MINOR) << 8) + $(VER_MICRO)
+
+GENERATED   = 'Generated by $(realpath Makefile.MSVC)'
+
+#
+# Where to copy nghttp2.dll + lib + headers to.
+# Note: 'make install' is not in default targets. Do it explicitly.
+#
+VC_ROOT     = $(realpath $(VCINSTALLDIR))
+INSTALL_BIN = $(VC_ROOT)/bin
+INSTALL_LIB = $(VC_ROOT)/lib
+INSTALL_HDR = $(VC_ROOT)/include
+
+#
+# Build for DEBUG-model and RELEASE at the same time.
+#
+TARGETS = nghttp2.lib  nghttp2.dll  nghttp2_imp.lib \
+          nghttp2d.lib nghttp2d.dll nghttp2d_imp.lib
+
+EXT_LIBS = $(ZLIB_ROOT)/zlib.lib ws2_32.lib
+
+OBJ_DIR = MSVC_obj
+
+NGHTTP2_PDB_R = $(OBJ_DIR)/nghttp2.pdb
+NGHTTP2_PDB_D = $(OBJ_DIR)/nghttp2d.pdb
+
+CC       = cl
+CFLAGS   = -I./includes -I$(ZLIB_ROOT) -DHAVE_WINSOCK2_H -Dssize_t=long
+
+CFLAGS_R = -nologo -MD  -W3 -Zi -Fd./$(NGHTTP2_PDB_R)
+CFLAGS_D = -nologo -MDd -W3 -Zi -Fd./$(NGHTTP2_PDB_D) \
+           -Ot -D_DEBUG -GF -RTCs -RTCu # -RTCc -GS
+
+LDFLAGS = -nologo -machine:i386 -map -debug -incremental:no # -verbose
+
+NGHTTP2_SRC = nghttp2_buf.c             \
+              nghttp2_callbacks.c       \
+              nghttp2_frame.c           \
+              nghttp2_helper.c          \
+              nghttp2_hd.c              \
+              nghttp2_hd_huffman.c      \
+              nghttp2_hd_huffman_data.c \
+              nghttp2_map.c             \
+              nghttp2_npn.c             \
+              nghttp2_option.c          \
+              nghttp2_outbound_item.c   \
+              nghttp2_priority_spec.c   \
+              nghttp2_pq.c              \
+              nghttp2_queue.c           \
+              nghttp2_session.c         \
+              nghttp2_stream.c          \
+              nghttp2_submit.c          \
+              nghttp2_version.c
+
+NGHTTP2_OBJ_R = $(addprefix $(OBJ_DIR)/r_, $(notdir $(NGHTTP2_SRC:.c=.obj)))
+NGHTTP2_OBJ_D = $(addprefix $(OBJ_DIR)/d_, $(notdir $(NGHTTP2_SRC:.c=.obj)))
+
+all: intro $(OBJ_DIR) $(TARGETS)
+	@echo 'Welcome to NgHTTP2 (release + debug).'
+	@echo 'Do a "make -f Makefile.MSVC install" at own risk!'
+
+intro:
+	@echo 'Building NgHTTP (MSVC) ver. "$(VERSION)".'
+
+test_ver:
+	@echo '$$(VERSION):   "$(VERSION)".'
+	@echo '$$(_VERSION):  "$(_VERSION)".'
+	@echo '$$(VER_MAJOR): "$(VER_MAJOR)".'
+	@echo '$$(VER_MINOR): "$(VER_MINOR)".'
+	@echo '$$(VER_MICRO): "$(VER_MICRO)".'
+
+$(OBJ_DIR):
+	- mkdir $(OBJ_DIR)
+
+install: includes/nghttp2/nghttp2.h includes/nghttp2/nghttp2ver.h \
+         nghttp2.dll  nghttp2.lib  nghttp2_imp.lib \
+         nghttp2d.dll nghttp2d.lib nghttp2d_imp.lib \
+         copy_headers_and_libs install_nghttp2_pyd_$(USE_CYTHON)
+
+#
+# This MUST be done before using the 'install_nghttp2_pyd_1' rule.
+#
+copy_headers_and_libs:
+	- mkdir $(INSTALL_HDR)/nghttp2
+	cp --update $(addprefix includes/nghttp2/, nghttp2.h nghttp2ver.h)     $(INSTALL_HDR)/nghttp2
+	cp --update nghttp2.dll nghttp2d.dll $(NGHTTP2_PDB_R) $(NGHTTP2_PDB_D) $(INSTALL_BIN)
+	cp --update nghttp2.lib nghttp2d.lib nghttp2_imp.lib nghttp2d_imp.lib  $(INSTALL_LIB)
+	@echo
+
+nghttp2.lib: $(NGHTTP2_OBJ_R)
+	lib -nologo -out:$@ $^
+	@echo
+
+nghttp2d.lib: $(NGHTTP2_OBJ_D)
+	lib -nologo -out:$@ $^
+	@echo
+
+nghttp2.dll nghttp2_imp.lib: $(NGHTTP2_OBJ_R) $(OBJ_DIR)/r_nghttp2.res $(OBJ_DIR)/r_nghttp2.def
+	link $(LDFLAGS) -dll -out:nghttp2.dll -implib:nghttp2_imp.lib -def:$(OBJ_DIR)/r_nghttp2.def \
+	     $(NGHTTP2_OBJ_R) $(OBJ_DIR)/r_nghttp2.res $(EXT_LIBS)
+	@echo
+
+nghttp2d.dll nghttp2d_imp.lib: $(NGHTTP2_OBJ_D) $(OBJ_DIR)/d_nghttp2.res $(OBJ_DIR)/d_nghttp2.def
+	link $(LDFLAGS) -dll -out:nghttp2d.dll -implib:nghttp2d_imp.lib -def:$(OBJ_DIR)/d_nghttp2.def \
+	     $(NGHTTP2_OBJ_D) $(OBJ_DIR)/d_nghttp2.res $(EXT_LIBS)
+	@echo
+
+install_nghttp2_pyd_0: ;
+
+install_nghttp2_pyd_1: $(addprefix ../python/, setup.py.in nghttp2.pyx)
+	cd ../python ; \
+	echo '# $(GENERATED). DO NOT EDIT.' > setup.py ; \
+	sed -e 's/@top_srcdir@/../'   \
+	    -e 's/@top_builddir@/../' \
+	    -e 's/@PACKAGE_VERSION@/$(VERSION)/' setup.py.in >> setup.py ; \
+	cython -v nghttp2.pyx ; \
+	python setup.py install
+
+clean_nghttp2_pyd_0: ;
+
+clean_nghttp2_pyd_1:
+	cd ../python ; \
+	rm -f setup.py nghttp2.c ; \
+	rm -fR build/*
+
+$(OBJ_DIR)/r_%.obj: %.c
+	$(CC) $(CFLAGS_R) $(CFLAGS) -Fo$@ -c $<
+	@echo
+
+$(OBJ_DIR)/d_%.obj: %.c
+	$(CC) $(CFLAGS_D) $(CFLAGS) -Fo$@ -c $<
+	@echo
+
+$(OBJ_DIR)/r_nghttp2.res: nghttp2.rc
+	rc -nologo -D_RELEASE -Fo $@ $<
+	@echo
+
+$(OBJ_DIR)/d_nghttp2.res: nghttp2.rc
+	rc -nologo -D_DEBUG -Fo $@ $<
+	@echo
+
+includes/nghttp2/nghttp2ver.h: includes/nghttp2/nghttp2ver.h.in
+	sed < includes/nghttp2/nghttp2ver.h.in     \
+	     -e 's/@PACKAGE_VERSION@/$(VERSION)/g' \
+	     -e 's/@PACKAGE_VERSION_NUM@/($(VERSION_NUM))/g' > $@
+	touch --reference=includes/nghttp2/nghttp2ver.h.in $@
+
+
+define RES_FILE
+  #include <winver.h>
+
+  VS_VERSION_INFO VERSIONINFO
+    FILEVERSION    $(VER_MAJOR), $(VER_MINOR), $(VER_MICRO), 0
+    PRODUCTVERSION $(VER_MAJOR), $(VER_MINOR), $(VER_MICRO), 0
+    FILEFLAGSMASK  0x3fL
+    FILEOS         0x40004L
+    FILETYPE       0x2L
+    FILESUBTYPE    0x0L
+  #ifdef _DEBUG
+    #define        VER_STR  "$(VERSION).0 (MSVC debug)"
+    #define        DBG      "d"
+    FILEFLAGS      0x1L
+  #else
+    #define        VER_STR  "$(VERSION).0 (MSVC release)"
+    #define        DBG      ""
+    FILEFLAGS      0x0L
+  #endif
+  BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+      BLOCK "040904b0"
+      BEGIN
+        VALUE "CompanyName",      "http://tatsuhiro-t.github.io/nghttp2/"
+        VALUE "FileDescription",  "nghttp2; HTTP/2 C library"
+        VALUE "FileVersion",      VER_STR
+        VALUE "InternalName",     "nghttp2" DBG
+        VALUE "LegalCopyright",   "The MIT License"
+        VALUE "LegalTrademarks",  ""
+        VALUE "OriginalFilename", "nghttp2" DBG ".dll"
+        VALUE "ProductName",      "NGHTTP2."
+        VALUE "ProductVersion",   VER_STR
+        VALUE "PrivateBuild",     "The privat build of <gvanem@yahoo.no>."
+        VALUE "SpecialBuild",     ""
+      END
+    END
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x409, 1200
+  END
+  END
+endef
+
+export RES_FILE
+
+nghttp2.rc: Makefile.MSVC
+	@echo 'Generating $@...'
+	@echo ' /* $(GENERATED). DO NOT EDIT.' > $@
+	@echo '  */'                          >> $@
+	@echo "$$RES_FILE"                    >> $@
+
+$(OBJ_DIR)/r_nghttp2.def: Makefile.MSVC
+	@echo 'Generating $@...'
+	@echo '; $(GENERATED). DO NOT EDIT.' > $@
+	@echo ';'                           >> $@
+	@echo 'LIBRARY nghttp2.dll'         >> $@
+	@echo 'EXPORTS'                     >> $@
+	nm $(NGHTTP2_OBJ_R) | grep ' T .*_nghttp2' | sed 's/^.* _/  /' >> $@
+	@echo 'NGHTTP2_STATIC_TABLE_LENGTH DATA' >> $@
+
+$(OBJ_DIR)/d_nghttp2.def: Makefile.MSVC
+	@echo 'Generating $@...'
+	@echo '; $(GENERATED). DO NOT EDIT.' > $@
+	@echo ';'                           >> $@
+	@echo 'LIBRARY nghttp2d.dll'        >> $@
+	@echo 'EXPORTS'                     >> $@
+	nm $(NGHTTP2_OBJ_D) | grep ' T .*_nghttp2' | sed 's/^.* _/  /' >> $@
+	@echo 'NGHTTP2_STATIC_TABLE_LENGTH DATA' >> $@
+
+clean:
+	rm -f $(OBJ_DIR)/* nghttp2_imp.exp nghttp2_imp.exp \
+	      nghttp2.map nghttp2d.map nghttp2.rc includes/nghttp2/nghttp2ver.h
+	@echo
+
+vclean realclean: clean clean_nghttp2_pyd_$(USE_CYTHON)
+	rm -f $(TARGETS) nghttp2.pdb nghttp2d.pdb nghttp2_imp.exp nghttp2d_imp.exp .depend.MSVC
+	- rmdir $(OBJ_DIR)
+
+#
+# Use gcc to generated the dependencies. No MSVC specific args please!
+#
+REPLACE_R = 's/\(.*\)\.o: /\n$$(OBJ_DIR)\/r_\1.obj: /'
+REPLACE_D = 's/\(.*\)\.o: /\n$$(OBJ_DIR)\/d_\1.obj: /'
+
+depend: includes/nghttp2/nghttp2ver.h
+	@echo '# $(GENERATED). DO NOT EDIT.' > .depend.MSVC
+	gcc -MM $(CFLAGS) $(NGHTTP2_SRC)    >> .depend.tmp
+	@echo '#'                           >> .depend.MSVC
+	@echo '# Release lib objects:'      >> .depend.MSVC
+	sed -e $(REPLACE_R) .depend.tmp     >> .depend.MSVC
+	@echo '#'                           >> .depend.MSVC
+	@echo '# Debug lib objects:'        >> .depend.MSVC
+	sed -e $(REPLACE_D) .depend.tmp     >> .depend.MSVC
+	rm -f .depend.tmp
+
+-include .depend.MSVC

lib/includes/Makefile.am

@@ -1,4 +1,4 @@
-# nghttp2 - HTTP/2.0 C Library
+# nghttp2 - HTTP/2 C Library
 
 # Copyright (c) 2012 Tatsuhiro Tsujikawa