Add missing rst entry

The error message was:

warning: macro expansion producing 'defined' has undefined
behavior [-Wexpansion-to-defined]

http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20160118/147239.html

.clang-format

@@ -17,7 +17,7 @@ BreakBeforeTernaryOperators: true
 BreakConstructorInitializersBeforeComma: false
 BinPackParameters: true
 ColumnLimit:     80
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
 DerivePointerAlignment: false
 ExperimentalAutoDetectBinPacking: false
 IndentCaseLabels: false

.gitignore

@@ -6,6 +6,7 @@
 *.lo
 *.m4
 *.o
+*.pyc
 .deps/
 .libs/
 INSTALL
@@ -28,13 +29,29 @@ missing
 stamp-h1
 test-driver
 
+# cmake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+install_manifest.txt
+CTestTestfile.cmake
+build.ninja
+rules.ninja
+.ninja_deps
+.ninja_log
+lib*.so
+lib*.so.*
+lib*.a
+# generated by "make test" with cmake
+Testing/
+
 # test logs generated by `make check`
 *.log
 *.trs
-
-lib/MSVC_obj/
-_VC_ROOT/
-.depend.MSVC
-*.pyd
-*.egg-info/
-python/nghttp2.c
+
+lib/MSVC_obj/
+_VC_ROOT/
+.depend.MSVC
+*.pyd
+*.egg-info/
+python/nghttp2.c

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "third-party/mruby"]
+	path = third-party/mruby
+	url = https://github.com/mruby/mruby
+[submodule "third-party/neverbleed"]
+	path = third-party/neverbleed
+	url = https://github.com/h2o/neverbleed.git

.travis.yml

@@ -1,3 +1,7 @@
+env:
+  matrix:
+    - CI_BUILD=cmake
+    - CI_BUILD=autotools
 language: cpp
 compiler:
   - clang
@@ -7,6 +11,7 @@ addons:
   apt:
     sources:
     - ubuntu-toolchain-r-test
+    - george-edison55-precise-backports
     packages:
     - g++-4.9
     - libstdc++-4.9-dev
@@ -23,15 +28,36 @@ addons:
     - libevent-dev
     - libjansson-dev
     - libjemalloc-dev
+    - cmake
+    - cmake-data
 before_install:
   - $CC --version
   - if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
   - $CC --version
+  - go version
+  - cmake --version
 before_script:
+  # First build spdylay, since integration tests require it.
+  # spdylay is going to be built under third-party/spdylay
+  - cd third-party
+  - git clone https://github.com/tatsuhiro-t/spdylay.git
+  - cd spdylay
   - autoreconf -i
-  - automake
-  - autoconf
-  - ./configure --enable-werror
-script:
-  - make
+  # Don't use ASAN for spdylay since failmalloc does not work with it.
+  - ./configure --disable-src --disable-examples
   - make check
+  - export SPDYLAY_HOME=$PWD
+  - cd ../..
+  # Now build nghttp2
+  - if [ "$CI_BUILD" = "autotools" ]; then autoreconf -i; fi
+  - git submodule update --init
+  - if [ "$CI_BUILD" = "autotools" ]; then ./configure --enable-werror --with-mruby --with-neverbleed LIBSPDYLAY_CFLAGS="-I$SPDYLAY_HOME/lib/includes" LIBSPDYLAY_LIBS="-L$SPDYLAY_HOME/lib/.libs -lspdylay" CPPFLAGS=-fsanitize=address LDFLAGS=-fsanitize=address; fi
+  - if [ "$CI_BUILD" = "cmake" ]; then cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DWITH_NEVERBLEED=1 -DSPDYLAY_INCLUDE_DIR="$SPDYLAY_HOME/lib/includes" -DSPDYLAY_LIBRARY="$SPDYLAY_HOME/lib/.libs/libspdylay.so"; fi
+script:
+  - make check
+  # As of April, 23, 2016, golang http2 build fails, probably because
+  # the default go version is too old.
+  # - cd integration-tests
+  # - export GOPATH="$PWD/integration-tests/golang"
+  # - make itprep
+  # - make it

AUTHORS

@@ -1 +1,86 @@
-Tatsuhiro Tsujikawa <t-tujikawa at users dot sourceforge dot net>
+nghttp2 project was started as a fork of spdylay project [1].  Both
+projects were started by Tatsuhiro Tsujikawa, who is still the main
+author of these projects.  Meanwhile, we have many contributions, and
+we are not here without them.  We sincerely thank you to all who made
+a contribution.  Here is the all individuals/organizations who
+contributed to nghttp2 and spdylay project at which we forked.  These
+names are retrieved from git commit log.  If you have made a
+contribution, but you are missing in the list, please let us know via
+github issues [2].
+
+[1] https://github.com/tatsuhiro-t/spdylay
+[2] https://github.com/nghttp2/nghttp2/issues
+
+--------
+
+187j3x1
+Alek Storm
+Alex Nalivko
+Alexis La Goutte
+Anders Bakken
+Andreas Pohl
+Andy Davies
+Ant Bryan
+Bernard Spil
+Brian Card
+Brian Suh
+Daniel Stenberg
+Dave Reisner
+David Beitey
+David Weekly
+Etienne Cimon
+Fabian Möller
+Fabian Wiesel
+Gabi Davar
+Jacob Champion
+Jan-E
+Janusz Dziemidowicz
+Jay Satiro
+Jianqing Wang
+Jim Morrison
+José F. Calcerrada
+Kamil Dudka
+Kazuho Oku
+Kenny (kang-yen) Peng
+Kenny Peng
+Kit Chan
+Kyle Schomp
+Lucas Pardue
+MATSUMOTO Ryosuke
+Mike Conlen
+Mike Frysinger
+Nicholas Hurley
+Nora Shoemaker
+Peeyush Aggarwal
+Peter Wu
+Piotr Sikora
+Raul Gutierrez Segales
+Remo E
+Reza Tavakoli
+Ross Smith II
+Scott Mitchell
+Stefan Eissing
+Stephen Ludin
+Sunpoet Po-Chuan Hsieh
+Svante Signell
+Syohei YOSHIDA
+Tatsuhiko Kubo
+Tatsuhiro Tsujikawa
+Tom Harwood
+Tomasz Buchert
+Vernon Tang
+Viacheslav Biriukov
+Viktor Szépe
+Wenfeng Liu
+Xiaoguang Sun
+Zhuoyun Wei
+acesso
+ayanamist
+bxshi
+es
+fangdingjun
+kumagi
+mod-h2-dev
+moparisthebest
+snnn
+yuuki-kodama

CMakeLists.txt

@@ -0,0 +1,524 @@
+# nghttp2 - HTTP/2 C Library
+#
+# Copyright (c) 2012, 2013, 2014, 2015 Tatsuhiro Tsujikawa
+# Copyright (c) 2016 Peter Wu <peter@lekensteyn.nl>
+#
+# 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.
+
+cmake_minimum_required(VERSION 3.0)
+# XXX using 1.8.90 instead of 1.9.0-DEV
+project(nghttp2 VERSION 1.15.0)
+
+# See versioning rule:
+#  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+set(LT_CURRENT  25)
+set(LT_REVISION 0)
+set(LT_AGE      11)
+
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+include(Version)
+
+math(EXPR LT_SOVERSION "${LT_CURRENT} - ${LT_AGE}")
+set(LT_VERSION "${LT_SOVERSION}.${LT_AGE}.${LT_REVISION}")
+set(PACKAGE_VERSION     "${PROJECT_VERSION}")
+HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH})
+
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE)
+
+  # Include "None" as option to disable any additional (optimization) flags,
+  # relying on just CMAKE_C_FLAGS and CMAKE_CXX_FLAGS (which are empty by
+  # default). These strings are presented in cmake-gui.
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "None" "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+include(GNUInstallDirs)
+
+# For Python bindings and documentation
+# (Must be called before PythonLibs for matching versions.)
+find_package(PythonInterp)
+
+# Auto-detection of features that can be toggled
+find_package(OpenSSL 1.0.1)
+find_package(Libev 4.11)
+find_package(ZLIB 1.2.3)
+if(OPENSSL_FOUND AND LIBEV_FOUND AND ZLIB_FOUND)
+  set(ENABLE_APP_DEFAULT ON)
+else()
+  set(ENABLE_APP_DEFAULT OFF)
+endif()
+find_package(Jansson  2.5)
+set(ENABLE_HPACK_TOOLS_DEFAULT ${JANSSON_FOUND})
+# 2.0.8 is required because we use evconnlistener_set_error_cb()
+find_package(Libevent 2.0.8 COMPONENTS libevent openssl)
+set(ENABLE_EXAMPLES_DEFAULT ${LIBEVENT_OPENSSL_FOUND})
+find_package(Cython)
+find_package(PythonLibs)
+if(CYTHON_FOUND AND PYTHONLIBS_FOUND)
+  set(ENABLE_PYTHON_BINDINGS_DEFAULT ON)
+else()
+  set(ENABLE_PYTHON_BINDINGS_DEFAULT OFF)
+endif()
+
+find_package(LibXml2 2.7.7)
+set(WITH_LIBXML2_DEFAULT    ${LIBXML2_FOUND})
+find_package(Jemalloc)
+set(WITH_JEMALLOC_DEFAULT   ${JEMALLOC_FOUND})
+find_package(Spdylay 1.3.2)
+set(WITH_SPDYLAY_DEFAULT    ${SPDYLAY_FOUND})
+
+include(CMakeOptions.txt)
+
+if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_EXAMPLES OR
+  ENABLE_PYTHON_BINDINGS))
+  # Remember when disabled options are disabled for later diagnostics.
+  set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1)
+else()
+  set(ENABLE_LIB_ONLY_DISABLED_OTHERS 0)
+endif()
+if(ENABLE_LIB_ONLY)
+  set(ENABLE_APP            OFF)
+  set(ENABLE_HPACK_TOOLS    OFF)
+  set(ENABLE_EXAMPLES       OFF)
+  set(ENABLE_PYTHON_BINDINGS OFF)
+endif()
+
+# Do not disable assertions based on CMAKE_BUILD_TYPE.
+foreach(_build_type "Release" "MinSizeRel" "RelWithDebInfo")
+  foreach(_lang C CXX)
+    string(TOUPPER "CMAKE_${_lang}_FLAGS_${_build_type}" _var)
+    string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" "" ${_var} "${${_var}}")
+  endforeach()
+endforeach()
+
+#
+# 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(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
+  set(HINT_UNUSED_PARAM   "__attribute__((unused))")
+  set(HINT_NORETURN       "__attribute__((noreturn))")
+else()
+  set(HINT_UNUSED_PARAM)
+  set(HINT_NORETURN)
+endif()
+
+include(ExtractValidFlags)
+foreach(_cxx1x_flag -std=c++11 -std=c++0x)
+  extract_valid_cxx_flags(_cxx1x_flag_supported ${_cxx1x_flag})
+  if(_cxx1x_flag_supported)
+    set(CXX1XCXXFLAGS ${_cxx1x_flag})
+    break()
+  endif()
+endforeach()
+
+include(CMakePushCheckState)
+include(CheckCXXSourceCompiles)
+cmake_push_check_state()
+set(CMAKE_REQUIRED_DEFINITIONS "${CXX1XCXXFLAGS}")
+# Check that std::future is available.
+check_cxx_source_compiles("
+#include <vector>
+#include <future>
+int main() { std::vector<std::future<int>> v; }" HAVE_STD_FUTURE)
+# Check that std::map::emplace is available for g++-4.7.
+check_cxx_source_compiles("
+#include <map>
+int main() { std::map<int, int>().emplace(1, 2); }" HAVE_STD_MAP_EMPLACE)
+cmake_pop_check_state()
+
+
+# Checks for libraries.
+# Additional libraries required for programs under src directory.
+set(APP_LIBRARIES)
+
+if(ENABLE_PYTHON_BINDINGS)
+  if(NOT (CYTHON_FOUND AND PYTHONLIBS_FOUND))
+    message(FATAL_ERROR "python bindings were requested "
+      "(ENABLE_PYTHON_BINDINGS=1) but dependencies are not met.")
+  endif()
+  if(NOT PYTHON_VERSION_STRING STREQUAL PYTHONLIBS_VERSION_STRING)
+    message(FATAL_ERROR
+      "Python executable and library must have the same version!"
+      " Found Python ${PYTHON_VERSION_STRING} and"
+      " PythonLibs ${PYTHONLIBS_VERSION_STRING}"
+    )
+  endif()
+endif()
+
+set(CMAKE_THREAD_PREFER_PTHREAD 1)
+find_package(Threads)
+if(CMAKE_USE_PTHREADS_INIT)
+  list(APPEND APP_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+endif()
+# XXX android and C++, is this still needed in cmake?
+# case "$host" in
+#   *android*)
+#     android_build=yes
+#     # android does not need -pthread, but needs followng 3 libs for C++
+#     APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
+
+# dl: openssl requires libdl when it is statically linked.
+# XXX shouldn't ${CMAKE_DL_LIBS} be appended to OPENSSL_LIBRARIES instead of
+# APP_LIBRARIES if it is really specific to OpenSSL?
+
+find_package(CUnit 2.1)
+enable_testing()
+set(HAVE_CUNIT      ${CUNIT_FOUND})
+if(HAVE_CUNIT)
+  add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})
+endif()
+
+# openssl (for src)
+set(HAVE_OPENSSL    ${OPENSSL_FOUND})
+if(OPENSSL_FOUND)
+  set(OPENSSL_INCLUDE_DIRS  ${OPENSSL_INCLUDE_DIR})
+else()
+  set(OPENSSL_INCLUDE_DIRS  "")
+  set(OPENSSL_LIBRARIES     "")
+endif()
+# libev (for src)
+set(HAVE_LIBEV      ${LIBEV_FOUND})
+set(HAVE_ZLIB       ${ZLIB_FOUND})
+set(HAVE_LIBEVENT_OPENSSL ${LIBEVENT_FOUND})
+if(LIBEVENT_FOUND)
+  # Must both link the core and openssl libraries.
+  set(LIBEVENT_OPENSSL_LIBRARIES ${LIBEVENT_LIBRARIES})
+endif()
+# jansson (for src/nghttp, src/deflatehd and src/inflatehd)
+set(HAVE_JANSSON    ${JANSSON_FOUND})
+# libxml2 (for src/nghttp)
+set(HAVE_LIBXML2    ${LIBXML2_FOUND})
+if(LIBXML2_FOUND)
+  set(LIBXML2_INCLUDE_DIRS  ${LIBXML2_INCLUDE_DIR})
+else()
+  set(LIBXML2_INCLUDE_DIRS  "")
+  set(LIBXML2_LIBRARIES     "")
+endif()
+# jemalloc
+set(HAVE_JEMALLOC   ${JEMALLOC_FOUND})
+# spdylay (for src/nghttpx and src/h2load)
+set(HAVE_SPDYLAY    ${SPDYLAY_FOUND})
+
+if(ENABLE_ASIO_LIB)
+  find_package(Boost 1.54.0 REQUIRED system thread)
+endif()
+
+# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL and libev
+if(ENABLE_APP AND NOT (ZLIB_FOUND AND OPENSSL_FOUND AND LIBEV_FOUND))
+  message(FATAL_ERROR "Applications were requested (ENABLE_APP=1) but dependencies are not met.")
+endif()
+
+# HPACK tools requires jansson
+if(ENABLE_HPACK_TOOLS AND NOT HAVE_JANSSON)
+  message(FATAL_ERROR "HPACK tools were requested (ENABLE_HPACK_TOOLS=1) but dependencies are not met.")
+endif()
+
+# C++ library libnghttp2_asio
+if(ENABLE_EXAMPLES AND NOT (OPENSSL_FOUND AND LIBEVENT_OPENSSL_FOUND))
+  message(FATAL_ERROR "examples were requested (ENABLE_EXAMPLES=1) but dependencies are not met.")
+endif()
+
+# third-party http-parser only be built when needed
+if(ENABLE_EXAMPLES OR ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_ASIO_LIB)
+  set(ENABLE_THIRD_PARTY 1)
+  # mruby (for src/nghttpx)
+  set(HAVE_MRUBY      ${WITH_MRUBY})
+  set(HAVE_NEVERBLEED ${WITH_NEVERBLEED})
+else()
+  set(HAVE_MRUBY 0)
+  set(HAVE_NEVERBLEED 0)
+endif()
+
+# Checks for header files.
+include(CheckIncludeFile)
+check_include_file("arpa/inet.h"    HAVE_ARPA_INET_H)
+check_include_file("fcntl.h"        HAVE_FCNTL_H)
+check_include_file("inttypes.h"     HAVE_INTTYPES_H)
+check_include_file("limits.h"       HAVE_LIMITS_H)
+check_include_file("netdb.h"        HAVE_NETDB_H)
+check_include_file("netinet/in.h"   HAVE_NETINET_IN_H)
+check_include_file("pwd.h"          HAVE_PWD_H)
+check_include_file("sys/socket.h"   HAVE_SYS_SOCKET_H)
+check_include_file("sys/time.h"     HAVE_SYS_TIME_H)
+check_include_file("syslog.h"       HAVE_SYSLOG_H)
+check_include_file("time.h"         HAVE_TIME_H)
+check_include_file("unistd.h"       HAVE_UNISTD_H)
+
+include(CheckTypeSize)
+# Checks for typedefs, structures, and compiler characteristics.
+# AC_TYPE_SIZE_T
+check_type_size("ssize_t" SIZEOF_SSIZE_T)
+if(SIZEOF_SSIZE_T STREQUAL "")
+  # ssize_t is a signed type in POSIX storing at least -1.
+  # Set it to "int" to match the behavior of AC_TYPE_SSIZE_T (autotools).
+  set(ssize_t int)
+endif()
+# AC_TYPE_UINT8_T
+# AC_TYPE_UINT16_T
+# AC_TYPE_UINT32_T
+# AC_TYPE_UINT64_T
+# AC_TYPE_INT8_T
+# AC_TYPE_INT16_T
+# AC_TYPE_INT32_T
+# AC_TYPE_INT64_T
+# AC_TYPE_OFF_T
+# AC_TYPE_PID_T
+# AC_TYPE_UID_T
+# XXX To support inline for crappy compilers, see https://cmake.org/Wiki/CMakeTestInline
+# AC_C_INLINE
+# XXX is AC_SYS_LARGEFILE still needed for modern systems?
+# add_definitions(-D_FILE_OFFSET_BITS=64)
+
+include(CheckStructHasMember)
+check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_STRUCT_TM_TM_GMTOFF)
+
+# Check size of pointer to decide we need 8 bytes alignment adjustment.
+check_type_size("int *"   SIZEOF_INT_P)
+check_type_size("time_t"  SIZEOF_TIME_T)
+
+# Checks for library functions.
+include(CheckFunctionExists)
+check_function_exists(_Exit     HAVE__EXIT)
+check_function_exists(accept4   HAVE_ACCEPT4)
+
+# timerfd_create was added in linux kernel 2.6.25
+include(CheckSymbolExists)
+# XXX does this correctly detect initgroups (un)availability on cygwin?
+check_symbol_exists(initgroups grp.h HAVE_DECL_INITGROUPS)
+if(NOT HAVE_DECL_INITGROUPS AND HAVE_UNISTD_H)
+  # FreeBSD declares initgroups() in unistd.h
+  check_symbol_exists(initgroups unistd.h HAVE_DECL_INITGROUPS2)
+  if(HAVE_DECL_INITGROUPS2)
+    set(HAVE_DECL_INITGROUPS 1)
+  endif()
+endif()
+
+check_function_exists(timerfd_create HAVE_TIMERFD_CREATE)
+# Checks for epoll availability, primarily for examples/tiny-nghttpd
+check_symbol_exists(epoll_create sys/epoll.h HAVE_EPOLL)
+if(HAVE_EPOLL AND HAVE_TIMERFD_CREATE)
+  set(ENABLE_TINY_NGHTTPD 1)
+endif()
+
+set(WARNCFLAGS)
+set(WARNCXXFLAGS)
+if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+  if(ENABLE_WERROR)
+    set(WARNCFLAGS    /WX)
+    set(WARNCXXFLAGS  /WX)
+  endif()
+else()
+  if(ENABLE_WERROR)
+    extract_valid_c_flags(WARNCFLAGS    -Werror)
+    extract_valid_c_flags(WARNCXXFLAGS  -Werror)
+  endif()
+
+  # For C compiler
+  extract_valid_c_flags(WARNCFLAGS
+    -Wall
+    -Wextra
+    -Wmissing-prototypes
+    -Wstrict-prototypes
+    -Wmissing-declarations
+    -Wpointer-arith
+    -Wdeclaration-after-statement
+    -Wformat-security
+    -Wwrite-strings
+    -Wshadow
+    -Winline
+    -Wnested-externs
+    -Wfloat-equal
+    -Wundef
+    -Wendif-labels
+    -Wempty-body
+    -Wcast-align
+    -Wclobbered
+    -Wvla
+    -Wpragmas
+    -Wunreachable-code
+    -Waddress
+    -Wattributes
+    -Wdiv-by-zero
+    -Wshorten-64-to-32
+
+    -Wconversion
+    -Wextended-offsetof
+    -Wformat-nonliteral
+    -Wlanguage-extension-token
+    -Wmissing-field-initializers
+    -Wmissing-noreturn
+    -Wmissing-variable-declarations
+    # Not used because we cannot change public structs
+    # -Wpadded
+    -Wsign-conversion
+    # Not used because this basically disallows default case
+    # -Wswitch-enum
+    -Wunreachable-code-break
+    -Wunused-macros
+    -Wunused-parameter
+    -Wredundant-decls
+    # Only work with Clang for the moment
+    -Wheader-guard
+    # This is required because we pass format string as "const char*.
+    -Wno-format-nonliteral
+  )
+
+  extract_valid_cxx_flags(WARNCXXFLAGS
+    # For C++ compiler
+    -Wall
+    -Wformat-security
+  )
+endif()
+
+if(ENABLE_DEBUG)
+  set(DEBUGBUILD 1)
+endif()
+
+# Some platform does not have working std::future.  We disable
+# threading for those platforms.
+if(NOT ENABLE_THREADS OR NOT HAVE_STD_FUTURE)
+  set(NOTHREADS 1)
+endif()
+
+add_definitions(-DHAVE_CONFIG_H)
+configure_file(cmakeconfig.h.in config.h)
+# autotools-compatible names
+# Sphinx expects relative paths in the .rst files. Use the fact that the files
+# below are all one directory level deep.
+file(RELATIVE_PATH top_srcdir   "${CMAKE_BINARY_DIR}/dir" "${CMAKE_SOURCE_DIR}")
+file(RELATIVE_PATH top_builddir "${CMAKE_BINARY_DIR}/dir" "${CMAKE_BINARY_DIR}")
+set(abs_top_srcdir  "${CMAKE_SOURCE_DIR}")
+set(abs_top_builddir "${CMAKE_BINARY_DIR}")
+# libnghttp2.pc (pkg-config file)
+set(prefix          "${CMAKE_INSTALL_PREFIX}")
+set(exec_prefix     "${CMAKE_INSTALL_PREFIX}")
+set(libdir          "${CMAKE_INSTALL_FULL_LIBDIR}")
+set(includedir      "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+set(VERSION         "${PACKAGE_VERSION}")
+# For init scripts and systemd service file (in contrib/)
+set(bindir          "${CMAKE_INSTALL_FULL_BINDIR}")
+set(sbindir         "${CMAKE_INSTALL_FULL_SBINDIR}")
+foreach(name
+   lib/libnghttp2.pc
+   lib/includes/nghttp2/nghttp2ver.h
+   src/libnghttp2_asio.pc
+   python/setup.py
+   integration-tests/config.go
+   integration-tests/setenv
+   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/asio_http2_server.h.rst
+   doc/asio_http2_client.h.rst
+   doc/contribute.rst
+)
+  configure_file("${name}.in" "${name}" @ONLY)
+endforeach()
+
+include_directories(
+  "${CMAKE_BINARY_DIR}" # for config.h
+)
+# For use in src/CMakeLists.txt
+set(PKGDATADIR "${CMAKE_INSTALL_FULL_DATADIR}/${CMAKE_PROJECT_NAME}")
+
+install(FILES README.rst DESTINATION "${CMAKE_INSTALL_DOCDIR}")
+
+add_subdirectory(lib)
+#add_subdirectory(lib/includes)
+add_subdirectory(third-party)
+add_subdirectory(src)
+#add_subdirectory(src/includes)
+add_subdirectory(examples)
+add_subdirectory(python)
+add_subdirectory(tests)
+#add_subdirectory(tests/testdata)
+add_subdirectory(integration-tests)
+add_subdirectory(doc)
+add_subdirectory(contrib)
+add_subdirectory(script)
+
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
+message(STATUS "summary of build options:
+
+    Package version: ${VERSION}
+    Library version: ${LT_CURRENT}:${LT_REVISION}:${LT_AGE}
+    Install prefix:  ${CMAKE_INSTALL_PREFIX}
+    Target system:   ${CMAKE_SYSTEM_NAME}
+    Compiler:
+      Build type:     ${CMAKE_BUILD_TYPE}
+      C compiler:     ${CMAKE_C_COMPILER}
+      CFLAGS:         ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
+      C++ compiler:   ${CMAKE_CXX_COMPILER}
+      CXXFLAGS:       ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
+      WARNCFLAGS:     ${WARNCFLAGS}
+      CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
+    Python:
+      Python:         ${PYTHON_EXECUTABLE}
+      PYTHON_VERSION: ${PYTHON_VERSION_STRING}
+      Library version:${PYTHONLIBS_VERSION_STRING}
+      Cython:         ${CYTHON_EXECUTABLE}
+    Test:
+      CUnit:          ${HAVE_CUNIT} (LIBS='${CUNIT_LIBRARIES}')
+      Failmalloc:     ${ENABLE_FAILMALLOC}
+    Libs:
+      OpenSSL:        ${HAVE_OPENSSL} (LIBS='${OPENSSL_LIBRARIES}')
+      Libxml2:        ${HAVE_LIBXML2} (LIBS='${LIBXML2_LIBRARIES}')
+      Libev:          ${HAVE_LIBEV} (LIBS='${LIBEV_LIBRARIES}')
+      Libevent(SSL):  ${HAVE_LIBEVENT_OPENSSL} (LIBS='${LIBEVENT_OPENSSL_LIBRARIES}')
+      Spdylay:        ${HAVE_SPDYLAY} (LIBS='${SPDYLAY_LIBRARIES}')
+      Jansson:        ${HAVE_JANSSON} (LIBS='${JANSSON_LIBRARIES}')
+      Jemalloc:       ${HAVE_JEMALLOC} (LIBS='${JEMALLOC_LIBRARIES}')
+      Zlib:           ${HAVE_ZLIB} (LIBS='${ZLIB_LIBRARIES}')
+      Boost::System:  ${Boost_SYSTEM_LIBRARY}
+      Boost::Thread:  ${Boost_THREAD_LIBRARY}
+    Third-party:
+      http-parser:    ${ENABLE_THIRD_PARTY}
+      MRuby:          ${HAVE_MRUBY}
+      Neverbleed:     ${HAVE_NEVERBLEED}
+    Features:
+      Applications:   ${ENABLE_APP}
+      HPACK tools:    ${ENABLE_HPACK_TOOLS}
+      Libnghttp2_asio:${ENABLE_ASIO_LIB}
+      Examples:       ${ENABLE_EXAMPLES}
+      Python bindings:${ENABLE_PYTHON_BINDINGS}
+      Threading:      ${ENABLE_THREADS}
+")
+if(ENABLE_LIB_ONLY_DISABLED_OTHERS)
+  message("Only the library will be built. To build other components "
+    "(such as applications and examples), set ENABLE_LIB_ONLY=OFF.")
+endif()

CMakeOptions.txt

@@ -0,0 +1,27 @@
+# Features that can be enabled for cmake (see CMakeLists.txt)
+
+option(ENABLE_WERROR    "Turn on compile time warnings")
+option(ENABLE_DEBUG     "Turn on debug output")
+option(ENABLE_THREADS   "Turn on threading in apps" ON)
+option(ENABLE_APP       "Build applications (nghttp, nghttpd, nghttpx and h2load)"
+  ${ENABLE_APP_DEFAULT})
+option(ENABLE_HPACK_TOOLS "Build HPACK tools"
+  ${ENABLE_HPACK_TOOLS_DEFAULT})
+option(ENABLE_ASIO_LIB  "Build C++ libnghttp2_asio library")
+option(ENABLE_EXAMPLES  "Build examples"
+  ${ENABLE_EXAMPLES_DEFAULT})
+option(ENABLE_PYTHON_BINDINGS "Build Python bindings"
+  ${ENABLE_PYTHON_BINDINGS_DEFAULT})
+option(ENABLE_FAILMALLOC "Build failmalloc test program" ON)
+option(ENABLE_LIB_ONLY  "Build libnghttp2 only.  This is a short hand for -DENABLE_APP=0 -DENABLE_EXAMPLES=0 -DENABLE_HPACK_TOOLS=0 -DENABLE_PYTHON_BINDINGS=0")
+
+option(WITH_LIBXML2     "Use libxml2"
+  ${WITH_LIBXML2_DEFAULT})
+option(WITH_JEMALLOC    "Use jemalloc"
+  ${WITH_JEMALLOC_DEFAULT})
+option(WITH_SPDYLAY     "Use spdylay"
+  ${WITH_SPDYLAY_DEFAULT})
+option(WITH_MRUBY       "Use mruby")
+option(WITH_NEVERBLEED  "Use neverbleed")
+
+# vim: ft=cmake:

COPYING

@@ -1,6 +1,7 @@
 The MIT License
 
-Copyright (c) 2012, 2014, 2015 Tatsuhiro Tsujikawa
+Copyright (c) 2012, 2014, 2015, 2016 Tatsuhiro Tsujikawa
+Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

Dockerfile.android

@@ -59,11 +59,11 @@ RUN autoreconf -i && \
     make install
 
 WORKDIR /root/build
-RUN curl -L -O https://www.openssl.org/source/openssl-1.0.2a.tar.gz && \
-    tar xf openssl-1.0.2a.tar.gz && \
-    rm openssl-1.0.2a.tar.gz
+RUN curl -L -O https://www.openssl.org/source/openssl-1.0.2d.tar.gz && \
+    tar xf openssl-1.0.2d.tar.gz && \
+    rm openssl-1.0.2d.tar.gz
 
-WORKDIR /root/build/openssl-1.0.2a
+WORKDIR /root/build/openssl-1.0.2d
 RUN export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi- && \
     ./Configure --prefix=$PREFIX android && \
     make && make install_sw
@@ -106,7 +106,7 @@ RUN HOST=arm-linux-androideabi \
     make install
 
 WORKDIR /root/build
-RUN git clone https://github.com/tatsuhiro-t/nghttp2
+RUN git clone https://github.com/nghttp2/nghttp2
 WORKDIR /root/build/nghttp2
 RUN autoreconf -i && \
     ./configure \

LICENSE

@@ -0,0 +1 @@
+See COPYING

Makefile.am

@@ -33,7 +33,19 @@ ACLOCAL_AMFLAGS = -I m4
 dist_doc_DATA = README.rst
 
 EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
-	Dockerfile.android
+	Dockerfile.android \
+	cmakeconfig.h.in \
+	CMakeLists.txt \
+	CMakeOptions.txt \
+	cmake/FindSpdylay.cmake \
+	cmake/ExtractValidFlags.cmake \
+	cmake/FindJemalloc.cmake \
+	cmake/FindLibev.cmake \
+	cmake/FindCUnit.cmake \
+	cmake/Version.cmake \
+	cmake/FindCython.cmake \
+	cmake/FindLibevent.cmake \
+	cmake/FindJansson.cmake
 
 .PHONY: clang-format
 

README.rst

@@ -58,12 +58,17 @@ To build the documentation, you need to install:
 
 * sphinx (http://sphinx-doc.org/)
 
-To build and run the application programs (``nghttp``, ``nghttpd`` and
-``nghttpx``) in the ``src`` directory, the following packages are
-required:
+If you need libnghttp2 (C library) only, then the above packages are
+all you need.  Use ``--enable-lib-only`` to ensure that only
+libnghttp2 is built.  This avoids potential build error related to
+building bundled applications.
+
+To build and run the application programs (``nghttp``, ``nghttpd``,
+``nghttpx`` and ``h2load``) in the ``src`` directory, the following packages
+are required:
 
 * OpenSSL >= 1.0.1
-* libev >= 4.15
+* libev >= 4.11
 * zlib >= 1.2.3
 
 ALPN support requires OpenSSL >= 1.0.2 (released 22 January 2015).
@@ -104,20 +109,45 @@ The Python bindings require the following packages:
 * python >= 2.7
 * python-setuptools
 
-If you are using Ubuntu 14.04 LTS (trusty), run the following to install the needed packages::
+If you are using Ubuntu 14.04 LTS (trusty) or Debian 7.0 (wheezy) and above run the following to install the needed packages:
 
-    sudo apt-get install make binutils autoconf  automake autotools-dev libtool pkg-config \
+.. code-block:: text
+
+    sudo apt-get install g++ make binutils autoconf automake autotools-dev libtool pkg-config \
       zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libev-dev libevent-dev libjansson-dev \
-      libjemalloc-dev cython python3.4-dev
+      libjemalloc-dev cython python3-dev python-setuptools
 
-spdylay is not packaged in Ubuntu, so you need to build it yourself:
-http://tatsuhiro-t.github.io/spdylay/
+From Ubuntu 15.10, spdylay has been available as a package named
+`libspdylay-dev`.  For the earlier Ubuntu release, you need to build
+it yourself: http://tatsuhiro-t.github.io/spdylay/
+
+To enable mruby support for nghttpx, `mruby
+<https://github.com/mruby/mruby>`_ is required.  We need to build
+mruby with C++ ABI explicitly turned on, and probably need other
+mrgems, mruby is manged by git submodule under third-party/mruby
+directory.  Currently, mruby support for nghttpx is disabled by
+default.  To enable mruby support, use ``--with-mruby`` configure
+option.  Note that at the time of this writing, libmruby-dev and mruby
+packages in Debian/Ubuntu are not usable for nghttp2, since they do
+not enable C++ ABI.  To build mruby, the following packages are
+required:
+
+* ruby
+* bison
+
+nghttpx supports `neverbleed <https://github.com/h2o/neverbleed>`_,
+privilege separation engine for OpenSSL / LibreSSL.  In short, it
+minimizes the risk of private key leakage when serious bug like
+Heartbleed is exploited.  The neverbleed is disabled by default.  To
+enable it, use ``--with-neverbleed`` configure option.
 
 Building from git
 -----------------
 
 Building from git is easy, but please be sure that at least autoconf 2.68 is
-used::
+used:
+
+.. code-block:: text
 
     $ autoreconf -i
     $ automake
@@ -127,6 +157,12 @@ used::
 
 To compile the source code, gcc >= 4.8.3 or clang >= 3.4 is required.
 
+.. note::
+
+   To enable mruby support in nghttpx, run ``git submodule update
+   --init`` before running configure script, and use ``--with-mruby``
+   configure option.
+
 .. note::
 
    Mac OS X users may need the ``--disable-threads`` configure option to
@@ -134,6 +170,34 @@ To compile the source code, gcc >= 4.8.3 or clang >= 3.4 is required.
    them from crashing. A patch is welcome to make multi threading work
    on Mac OS X platform.
 
+.. note::
+
+   To compile the associated applications (nghttp, nghttpd, nghttpx
+   and h2load), you must use the ``--enable-app`` configure option and
+   ensure that the specified requirements above are met.  Normally,
+   configure script checks required dependencies to build these
+   applications, and enable ``--enable-app`` automatically, so you
+   don't have to use it explicitly.  But if you found that
+   applications were not built, then using ``--enable-app`` may find
+   that cause, such as the missing dependency.
+
+Notes for building on Windows (MSVC)
+------------------------------------
+
+The easiest way to build native Windows nghttp2 dll is use `cmake
+<https://cmake.org/>`_.  The free version of `Visual C++ Build Tools
+<http://landinghub.visualstudio.com/visual-cpp-build-tools>`_ works
+fine.
+
+1. Install cmake for windows
+2. Open "Visual C++ ... Native Build Tool Command Prompt", and inside
+   nghttp2 directly, run ``cmake``.
+3. Then run ``cmake --build`` to build library.
+4. nghttp2.dll, nghttp2.lib, nghttp2.exp are placed under lib directory.
+
+Note that the above steps most likely produce nghttp2 library only.
+No bundled applications are compiled.
+
 Notes for building on Windows (Mingw/Cygwin)
 --------------------------------------------
 
@@ -150,7 +214,9 @@ Secondly, you need to undefine the macro ``__STRICT_ANSI__``, if you
 not, the functions ``fdopen``, ``fileno`` and ``strptime`` will not
 available.
 
-the sample command like this::
+the sample command like this:
+
+.. code-block:: text
 
     $ export CFLAGS="-U__STRICT_ANSI__ -I$libev_PREFIX/include -L$libev_PREFIX/lib"
     $ export CXXFLAGS=$CFLAGS
@@ -168,7 +234,9 @@ Building the documentation
 
    Documentation is still incomplete.
 
-To build the documentation, run::
+To build the documentation, run:
+
+.. code-block:: text
 
     $ make html
 
@@ -191,18 +259,22 @@ We have the integration tests for the nghttpx proxy server.  The tests are
 written in the `Go programming language <http://golang.org/>`_ and uses
 its testing framework.  We depend on the following libraries:
 
-* https://github.com/bradfitz/http2
+* golang.org/x/net/http2
+* golang.org/x/net/websocket
 * https://github.com/tatsuhiro-t/go-nghttp2
 * https://github.com/tatsuhiro-t/spdy
-* golang.org/x/net/websocket
 
 To download the above packages, after settings ``GOPATH``, run the
-following command under ``integration-tests`` directory::
+following command under ``integration-tests`` directory:
+
+.. code-block:: text
 
     $ make itprep
 
 To run the tests, run the following command under
-``integration-tests`` directory::
+``integration-tests`` directory:
+
+.. code-block:: text
 
     $ make it
 
@@ -248,7 +320,7 @@ for this 24 bytes byte string and updated API.
   ``NGHTTP2_CLIENT_MAGIC_LEN``.
 * ``NGHTTP2_BAD_PREFACE`` was renamed as ``NGHTTP2_BAD_CLIENT_MAGIC``
 
-The alreay deprecated ``NGHTTP2_CLIENT_CONNECTION_HEADER`` and
+The already deprecated ``NGHTTP2_CLIENT_CONNECTION_HEADER`` and
 ``NGHTTP2_CLIENT_CONNECTION_HEADER_LEN`` were removed.
 
 If application uses these macros, just replace old ones with new ones.
@@ -323,7 +395,9 @@ nghttp - client
 with prior knowledge, HTTP Upgrade and NPN/ALPN TLS extension.
 
 It has verbose output mode for framing information.  Here is sample
-output from ``nghttp`` client::
+output from ``nghttp`` client:
+
+.. code-block:: text
 
     $ nghttp -nv https://nghttp2.org
     [  0.190] Connected
@@ -406,7 +480,9 @@ output from ``nghttp`` client::
     [  0.228] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
 	      (last_stream_id=2, error_code=NO_ERROR(0x00), opaque_data(0)=[])
 
-The HTTP Upgrade is performed like so::
+The HTTP Upgrade is performed like so:
+
+.. code-block:: text
 
     $ nghttp -nvu http://nghttp2.org
     [  0.011] Connected
@@ -502,7 +578,9 @@ The HTTP Upgrade is performed like so::
 	      (last_stream_id=2, error_code=NO_ERROR(0x00), opaque_data(0)=[])
 
 Using the ``-s`` option, ``nghttp`` prints out some timing information for
-requests, sorted by completion time::
+requests, sorted by completion time:
+
+.. code-block:: text
 
     $ nghttp -nas https://nghttp2.org/
     ***** Statistics *****
@@ -546,7 +624,9 @@ HTTP/2 connections.  No HTTP Upgrade is supported.
 The ``-p`` option allows users to configure server push.
 
 Just like ``nghttp``, it has a verbose output mode for framing
-information.  Here is sample output from ``nghttpd``::
+information.  Here is sample output from ``nghttpd``:
+
+.. code-block:: text
 
     $ nghttpd --no-tls -v 8080
     IPv4: listen 0.0.0.0:8080
@@ -609,50 +689,58 @@ nghttpx - proxy
 HTTP/1.1, and powers http://nghttp2.org and supports HTTP/2 server
 push.
 
+We reworked ``nghttpx`` command-line interface, and as a result, there
+are several incompatibles from 1.8.0 or earlier.  This is necessary to
+extend its capability, and secure the further feature enhancements in
+the future release.  Please read `Migration from nghttpx v1.8.0 or
+earlier
+<https://nghttp2.org/documentation/nghttpx-howto.html#migration-from-nghttpx-v1-8-0-or-earlier>`_
+to know how to migrate from earlier releases.
+
 ``nghttpx`` implements `important performance-oriented features
 <https://istlsfastyet.com/#server-performance>`_ in TLS, such as
 session IDs, session tickets (with automatic key rotation), OCSP
 stapling, dynamic record sizing, ALPN/NPN, forward secrecy and SPDY &
-HTTP/2.
+HTTP/2.  ``nghttpx`` also offers the functionality to share session
+cache and ticket keys among multiple ``nghttpx`` instances via
+memcached.
 
-``nghttpx`` has several operational modes:
+``nghttpx`` has 2 operation modes:
 
-================== ============================ ============== =============
-Mode option        Frontend                     Backend        Note
-================== ============================ ============== =============
-default mode       HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/1.1       Reverse proxy
-``--http2-proxy``  HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/1.1       SPDY proxy
-``--http2-bridge`` HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/2 (TLS)
-``--client``       HTTP/2, HTTP/1.1             HTTP/2 (TLS)
-``--client-proxy`` HTTP/2, HTTP/1.1             HTTP/2 (TLS)   Forward proxy
-================== ============================ ============== =============
+================== ====================== ================ =============
+Mode option        Frontend               Backend          Note
+================== ====================== ================ =============
+default mode       HTTP/2, SPDY, HTTP/1.1 HTTP/1.1, HTTP/2 Reverse proxy
+``--http2-proxy``  HTTP/2, SPDY, HTTP/1.1 HTTP/1.1, HTTP/2 Forward proxy
+================== ====================== ================ =============
 
 The interesting mode at the moment is the default mode.  It works like
 a reverse proxy and listens for HTTP/2, SPDY and HTTP/1.1 and can be
 deployed as a SSL/TLS terminator for existing web server.
 
-The default mode, ``--http2-proxy`` and ``--http2-bridge`` modes use
-SSL/TLS in the frontend connection by default.  To disable SSL/TLS,
-use the ``--frontend-no-tls`` option.  If that option is used, SPDY is
-disabled in the frontend and incoming HTTP/1.1 connections can be
-upgraded to HTTP/2 through HTTP Upgrade.
-
-The ``--http2-bridge``, ``--client`` and ``--client-proxy`` modes use
-SSL/TLS in the backend connection by default.  To disable SSL/TLS, use
-the ``--backend-no-tls`` option.
+In all modes, the frontend connections are encrypted by SSL/TLS by
+default.  To disable encryption, use the ``no-tls`` keyword in
+``--frontend`` option.  If encryption is disabled, SPDY is disabled in
+the frontend and incoming HTTP/1.1 connections can be upgraded to
+HTTP/2 through HTTP Upgrade.  On the other hard, backend connections
+are not encrypted by default.  To encrypt backend connections, use
+``tls`` keyword in ``--backend`` option.
 
 ``nghttpx`` supports a configuration file.  See the ``--conf`` option and
 sample configuration file ``nghttpx.conf.sample``.
 
-In the default mode, (without any of ``--http2-proxy``,
-``--http2-bridge``, ``--client-proxy`` and ``--client`` options),
-``nghttpx`` works as reverse proxy to the backend server::
+In the default mode, ``nghttpx`` works as reverse proxy to the backend
+server:
 
-    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Web Server
+.. code-block:: text
+
+    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/1.1, HTTP/2) --> Web Server
                                           [reverse proxy]
 
-With the ``--http2-proxy`` option, it works as a so called secure proxy (aka
-SPDY proxy)::
+With the ``--http2-proxy`` option, it works as forward proxy, and it
+is so called secure HTTP/2 proxy (aka SPDY proxy):
+
+.. code-block:: text
 
     Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Proxy
                                            [secure proxy]          (e.g., Squid, ATS)
@@ -660,9 +748,9 @@ SPDY proxy)::
 The ``Client`` in the above example needs to be configured to use
 ``nghttpx`` as secure proxy.
 
-At the time of this writing, Chrome is the only browser which supports
-secure proxy.  One way to configure Chrome to use a secure proxy is
-to create a proxy.pac script like this:
+At the time of this writing, both Chrome and Firefox support secure
+HTTP/2 proxy.  One way to configure Chrome to use a secure proxy is to
+create a proxy.pac script like this:
 
 .. code-block:: javascript
 
@@ -674,42 +762,18 @@ to create a proxy.pac script like this:
 machine nghttpx is running on.  Please note that Chrome requires a valid
 certificate for secure proxy.
 
-Then run Chrome with the following arguments::
+Then run Chrome with the following arguments:
+
+.. code-block:: text
 
     $ google-chrome --proxy-pac-url=file:///path/to/proxy.pac --use-npn
 
-With ``--http2-bridge``, it accepts HTTP/2, SPDY and HTTP/1.1
-connections and communicates with the backend in HTTP/2::
-
-    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/2) --> Web or HTTP/2 Proxy etc
-                                                                         (e.g., nghttpx -s)
-
-With ``--client-proxy``, it works as a forward proxy and expects
-that the backend is an HTTP/2 proxy::
-
-    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --> HTTP/2 Proxy
-                                     [forward proxy]               (e.g., nghttpx -s)
-
-The ``Client`` needs to be configured to use nghttpx as a forward
-proxy.  The frontend HTTP/1.1 connection can be upgraded to HTTP/2
-through HTTP Upgrade.  With the above configuration, one can use
-HTTP/1.1 client to access and test their HTTP/2 servers.
-
-With ``--client``, it works as a reverse proxy and expects that
-the backend is an HTTP/2 Web server::
-
-    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --> Web Server
-                                    [reverse proxy]
-
-The frontend HTTP/1.1 connection can be upgraded to HTTP/2
-through HTTP Upgrade.
-
-For the operation modes which talk to the backend in HTTP/2 over
-SSL/TLS, the backend connections can be tunneled through an HTTP proxy.
+The backend HTTP/2 connections can be tunneled through an HTTP proxy.
 The proxy is specified using ``--backend-http-proxy-uri``.  The
-following figure illustrates the example of the ``--http2-bridge`` and
-``--backend-http-proxy-uri`` options to talk to the outside HTTP/2
-proxy through an HTTP proxy::
+following figure illustrates how nghttpx talks to the outside HTTP/2
+proxy through an HTTP proxy:
+
+.. code-block:: text
 
     Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/2) --
 
@@ -723,7 +787,9 @@ The ``h2load`` program is a benchmarking tool for HTTP/2 and SPDY.
 The SPDY support is enabled if the program was built with the spdylay
 library.  The UI of ``h2load`` is heavily inspired by ``weighttp``
 (https://github.com/lighttpd/weighttp).  The typical usage is as
-follows::
+follows:
+
+.. code-block:: text
 
     $ h2load -n100000 -c100 -m100 https://localhost:8443/
     starting benchmark...
@@ -811,7 +877,9 @@ Example:
 With the ``-t`` option, the program can accept more familiar HTTP/1 style
 header field blocks.  Each header set is delimited by an empty line:
 
-Example::
+Example:
+
+.. code-block:: text
 
     :method: GET
     :scheme: https
@@ -1219,6 +1287,8 @@ an HTTP/2 server looks like this:
 
 .. code-block:: cpp
 
+    #include <iostream>
+
     #include <nghttp2/asio_http2_server.h>
 
     using namespace nghttp2::asio_http2;
@@ -1305,7 +1375,7 @@ The extension module is called ``nghttp2``.
 determined by the ``configure`` script.  If the detected Python version is not
 what you expect, specify a path to Python executable in a ``PYTHON``
 variable as an argument to configure script (e.g., ``./configure
-PYTHON=/usr/bin/python3.4``).
+PYTHON=/usr/bin/python3.5``).
 
 The following example code illustrates basic usage of the HPACK compressor
 and decompressor in Python:
@@ -1434,3 +1504,32 @@ full real name when contributing!
 See `Contribution Guidelines
 <https://nghttp2.org/documentation/contribute.html>`_ for more
 details.
+
+Reporting vulnerability
+-----------------------
+
+If you find a vulnerability in our software, please send the email to
+"tatsuhiro.t at gmail dot com" about its details instead of submitting
+issues on github issue page.  It is a standard practice not to
+disclose vulnerability information publicly until a fixed version is
+released, or mitigation is worked out.
+
+In the future, we may setup a dedicated mail address for this purpose.
+
+Release schedule
+----------------
+
+In general, we follow `Semantic Versioning <http://semver.org/>`_.  We
+release MINOR version update every month, and usually we ship it
+around 25th day of every month.
+
+We may release PATCH releases between the regular releases, mainly for
+severe security bug fixes.
+
+We have no plan to break API compatibility changes involving soname
+bump, so MAJOR version will stay 1 for the foreseeable future.
+
+License
+-------
+
+The MIT License

android-config

@@ -27,9 +27,9 @@ 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:$PATH
+PREFIX="$ANDROID_HOME"/usr/local
+TOOLCHAIN="$ANDROID_HOME"/toolchain
+PATH="$TOOLCHAIN"/bin:"$PATH"
 
 ./configure \
     --disable-shared \
@@ -39,9 +39,8 @@ PATH=$TOOLCHAIN/bin:$PATH
     --without-libxml2 \
     --disable-python-bindings \
     --disable-examples \
-    --enable-werror \
-    CC=clang \
-    CXX=clang++ \
+    CC="$TOOLCHAIN"/bin/arm-linux-androideabi-gcc \
+    CXX="$TOOLCHAIN"/bin/arm-linux-androideabi-g++ \
     CPPFLAGS="-fPIE -I$PREFIX/include" \
     PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
     LDFLAGS="-fPIE -pie -L$PREFIX/lib"

author.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+# script to extract commit author's name from standard input.  The
+# input should be <AUTHOR>:<EMAIL>, one per line.
+# This script expects the input is created by git-log command:
+#
+#   git log --format=%aN:%aE
+#
+# This script removes duplicates based on email address, breaking a
+# tie with longer author name.  Among the all author names extract the
+# previous step, we remove duplicate by case-insensitive match.
+#
+# So we can do this in one line:
+#
+#   git log --format=%aN:%aE | sort | uniq | ./author.py > authors
+
+import sys
+
+edict = {}
+
+for line in sys.stdin:
+    author, email = line.strip().split(':', 1)
+    if email in edict:
+        an = edict[email]
+        if len(an) < len(author) or an > author:
+            sys.stderr.write(
+                'eliminated {} in favor of {}\n'.format(an, author))
+            edict[email] = author
+        else:
+            sys.stderr.write(
+                'eliminated {} in favor of {}\n'.format(author, an))
+    else:
+        edict[email] = author
+
+names = list(sorted(edict.values()))
+
+ndict = {}
+
+for name in names:
+    lowname = name.lower()
+    if lowname in ndict:
+        an = ndict[lowname]
+        if an > name:
+            sys.stderr.write('eliminated {} in favor of {}\n'.format(an, name))
+            ndict[lowname] = name
+        else:
+            sys.stderr.write('eliminated {} in favor of {}\n'.format(name, an))
+    else:
+        ndict[lowname] = name
+
+for name in sorted(ndict.values()):
+    print name

cmake/ExtractValidFlags.cmake

@@ -0,0 +1,31 @@
+# Convenience function that checks the availability of certain
+# C or C++ compiler flags and returns valid ones as a string.
+
+include(CheckCCompilerFlag)
+include(CheckCXXCompilerFlag)
+
+function(extract_valid_c_flags varname)
+  set(valid_flags)
+  foreach(flag IN LISTS ARGN)
+    string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag})
+    set(flag_var "C_FLAG_${flag_var}")
+    check_c_compiler_flag("${flag}" "${flag_var}")
+    if(${flag_var})
+      set(valid_flags "${valid_flags} ${flag}")
+    endif()
+  endforeach()
+  set(${varname} "${valid_flags}" PARENT_SCOPE)
+endfunction()
+
+function(extract_valid_cxx_flags varname)
+  set(valid_flags)
+  foreach(flag IN LISTS ARGN)
+    string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag})
+    set(flag_var "CXX_FLAG_${flag_var}")
+    check_cxx_compiler_flag("${flag}" "${flag_var}")
+    if(${flag_var})
+      set(valid_flags "${valid_flags} ${flag}")
+    endif()
+  endforeach()
+  set(${varname} "${valid_flags}" PARENT_SCOPE)
+endfunction()

cmake/FindCUnit.cmake

@@ -0,0 +1,40 @@
+# - Try to find cunit
+# Once done this will define
+#  CUNIT_FOUND        - System has cunit
+#  CUNIT_INCLUDE_DIRS - The cunit include directories
+#  CUNIT_LIBRARIES    - The libraries needed to use cunit
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_CUNIT QUIET cunit)
+
+find_path(CUNIT_INCLUDE_DIR
+  NAMES CUnit/CUnit.h
+  HINTS ${PC_CUNIT_INCLUDE_DIRS}
+)
+find_library(CUNIT_LIBRARY
+  NAMES cunit
+  HINTS ${PC_CUNIT_LIBRARY_DIRS}
+)
+
+if(CUNIT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+CU_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${CUNIT_INCLUDE_DIR}/CUnit/CUnit.h"
+    CUNIT_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    CUNIT_VERSION "${CUNIT_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set CUNIT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(CUnit REQUIRED_VARS
+                                  CUNIT_LIBRARY CUNIT_INCLUDE_DIR
+                                  VERSION_VAR CUNIT_VERSION)
+
+if(CUNIT_FOUND)
+  set(CUNIT_LIBRARIES     ${CUNIT_LIBRARY})
+  set(CUNIT_INCLUDE_DIRS  ${CUNIT_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(CUNIT_INCLUDE_DIR CUNIT_LIBRARY)

cmake/FindCython.cmake

@@ -0,0 +1,44 @@
+# Find the Cython compiler.
+#
+# This code sets the following variables:
+#
+#  CYTHON_EXECUTABLE
+#
+# See also UseCython.cmake
+
+#=============================================================================
+# Copyright 2011 Kitware, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#=============================================================================
+
+# Use the Cython executable that lives next to the Python executable
+# if it is a local installation.
+find_package( PythonInterp )
+if( PYTHONINTERP_FOUND )
+  get_filename_component( _python_path ${PYTHON_EXECUTABLE} PATH )
+  find_program( CYTHON_EXECUTABLE
+    NAMES cython cython.bat cython3
+    HINTS ${_python_path}
+    )
+else()
+  find_program( CYTHON_EXECUTABLE
+    NAMES cython cython.bat cython3
+    )
+endif()
+
+
+include( FindPackageHandleStandardArgs )
+FIND_PACKAGE_HANDLE_STANDARD_ARGS( Cython REQUIRED_VARS CYTHON_EXECUTABLE )
+
+mark_as_advanced( CYTHON_EXECUTABLE )

cmake/FindJansson.cmake

@@ -0,0 +1,40 @@
+# - Try to find jansson
+# Once done this will define
+#  JANSSON_FOUND        - System has jansson
+#  JANSSON_INCLUDE_DIRS - The jansson include directories
+#  JANSSON_LIBRARIES    - The libraries needed to use jansson
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_JANSSON QUIET jansson)
+
+find_path(JANSSON_INCLUDE_DIR
+  NAMES jansson.h
+  HINTS ${PC_JANSSON_INCLUDE_DIRS}
+)
+find_library(JANSSON_LIBRARY
+  NAMES jansson
+  HINTS ${PC_JANSSON_LIBRARY_DIRS}
+)
+
+if(JANSSON_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+JANSSON_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${JANSSON_INCLUDE_DIR}/jansson.h"
+    JANSSON_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    JANSSON_VERSION "${JANSSON_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set JANSSON_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Jansson REQUIRED_VARS
+                                  JANSSON_LIBRARY JANSSON_INCLUDE_DIR
+                                  VERSION_VAR JANSSON_VERSION)
+
+if(JANSSON_FOUND)
+  set(JANSSON_LIBRARIES     ${JANSSON_LIBRARY})
+  set(JANSSON_INCLUDE_DIRS  ${JANSSON_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(JANSSON_INCLUDE_DIR JANSSON_LIBRARY)

cmake/FindJemalloc.cmake

@@ -0,0 +1,40 @@
+# - Try to find jemalloc
+# Once done this will define
+#  JEMALLOC_FOUND        - System has jemalloc
+#  JEMALLOC_INCLUDE_DIRS - The jemalloc include directories
+#  JEMALLOC_LIBRARIES    - The libraries needed to use jemalloc
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_JEMALLOC QUIET jemalloc)
+
+find_path(JEMALLOC_INCLUDE_DIR
+  NAMES jemalloc/jemalloc.h
+  HINTS ${PC_JEMALLOC_INCLUDE_DIRS}
+)
+find_library(JEMALLOC_LIBRARY
+  NAMES jemalloc
+  HINTS ${PC_JEMALLOC_LIBRARY_DIRS}
+)
+
+if(JEMALLOC_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+JEMALLOC_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${JEMALLOC_INCLUDE_DIR}/jemalloc/jemalloc.h"
+    JEMALLOC_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    JEMALLOC_VERSION "${JEMALLOC_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set JEMALLOC_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Jemalloc REQUIRED_VARS
+                                  JEMALLOC_LIBRARY JEMALLOC_INCLUDE_DIR
+                                  VERSION_VAR JEMALLOC_VERSION)
+
+if(JEMALLOC_FOUND)
+  set(JEMALLOC_LIBRARIES    ${JEMALLOC_LIBRARY})
+  set(JEMALLOC_INCLUDE_DIRS ${JEMALLOC_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(JEMALLOC_INCLUDE_DIR JEMALLOC_LIBRARY)

cmake/FindLibev.cmake

@@ -0,0 +1,38 @@
+# - Try to find libev
+# Once done this will define
+#  LIBEV_FOUND        - System has libev
+#  LIBEV_INCLUDE_DIRS - The libev include directories
+#  LIBEV_LIBRARIES    - The libraries needed to use libev
+
+find_path(LIBEV_INCLUDE_DIR
+  NAMES ev.h
+)
+find_library(LIBEV_LIBRARY
+  NAMES ev
+)
+
+if(LIBEV_INCLUDE_DIR)
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MAJOR REGEX "^#define[ \t]+EV_VERSION_MAJOR[ \t]+[0-9]+")
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MINOR REGEX "^#define[ \t]+EV_VERSION_MINOR[ \t]+[0-9]+")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MAJOR "${LIBEV_VERSION_MAJOR}")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MINOR "${LIBEV_VERSION_MINOR}")
+  set(LIBEV_VERSION "${LIBEV_VERSION_MAJOR}.${LIBEV_VERSION_MINOR}")
+  unset(LIBEV_VERSION_MINOR)
+  unset(LIBEV_VERSION_MAJOR)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEV_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libev REQUIRED_VARS
+                                  LIBEV_LIBRARY LIBEV_INCLUDE_DIR
+                                  VERSION_VAR LIBEV_VERSION)
+
+if(LIBEV_FOUND)
+  set(LIBEV_LIBRARIES     ${LIBEV_LIBRARY})
+  set(LIBEV_INCLUDE_DIRS  ${LIBEV_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBEV_INCLUDE_DIR LIBEV_LIBRARY)

cmake/FindLibevent.cmake

@@ -0,0 +1,94 @@
+# - Try to find libevent
+#.rst
+# FindLibevent
+# ------------
+#
+# Find Libevent include directories and libraries. Invoke as::
+#
+#   find_package(Libevent
+#     [version] [EXACT]   # Minimum or exact version
+#     [REQUIRED]          # Fail if Libevent is not found
+#     [COMPONENT <C>...]) # Libraries to look for
+#
+# Valid components are one or more of:: libevent core extra pthreads openssl.
+# Note that 'libevent' contains both core and extra. You must specify one of
+# them for the other components.
+#
+# This module will define the following variables::
+#
+#  LIBEVENT_FOUND        - True if headers and requested libraries were found
+#  LIBEVENT_INCLUDE_DIRS - Libevent include directories
+#  LIBEVENT_LIBRARIES    - Libevent libraries to be linked
+#  LIBEVENT_<C>_FOUND    - Component <C> was found (<C> is uppercase)
+#  LIBEVENT_<C>_LIBRARY  - Library to be linked for Libevent component <C>.
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBEVENT QUIET libevent)
+
+# Look for the Libevent 2.0 or 1.4 headers
+find_path(LIBEVENT_INCLUDE_DIR
+  NAMES
+    event2/event-config.h
+    event-config.h
+  HINTS
+    ${PC_LIBEVENT_INCLUDE_DIRS}
+)
+
+if(LIBEVENT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+_EVENT_VERSION[ \t]+\"([^\"]+)\".*")
+  if(EXISTS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h")
+    # Libevent 2.0
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+  else()
+    # Libevent 1.4
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+  endif()
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBEVENT_VERSION "${LIBEVENT_VERSION}")
+  unset(_version_regex)
+endif()
+
+set(_LIBEVENT_REQUIRED_VARS)
+foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+  set(_LIBEVENT_LIBNAME libevent)
+  # Note: compare two variables to avoid a CMP0054 policy warning
+  if(COMPONENT STREQUAL _LIBEVENT_LIBNAME)
+    set(_LIBEVENT_LIBNAME event)
+  else()
+    set(_LIBEVENT_LIBNAME "event_${COMPONENT}")
+  endif()
+  string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+  find_library(LIBEVENT_${COMPONENT_UPPER}_LIBRARY
+    NAMES ${_LIBEVENT_LIBNAME}
+    HINTS ${PC_LIBEVENT_LIBRARY_DIRS}
+  )
+  if(LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+    set(Libevent_${COMPONENT}_FOUND 1)
+  endif()
+  list(APPEND _LIBEVENT_REQUIRED_VARS LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+endforeach()
+unset(_LIBEVENT_LIBNAME)
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEVENT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libevent REQUIRED_VARS
+                                  ${_LIBEVENT_REQUIRED_VARS}
+                                  LIBEVENT_INCLUDE_DIR
+                                  VERSION_VAR LIBEVENT_VERSION
+                                  HANDLE_COMPONENTS)
+
+if(LIBEVENT_FOUND)
+  set(LIBEVENT_INCLUDE_DIRS  ${LIBEVENT_INCLUDE_DIR})
+  set(LIBEVENT_LIBRARIES)
+  foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+    string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+    list(APPEND LIBEVENT_LIBRARIES ${LIBEVENT_${COMPONENT_UPPER}_LIBRARY})
+    set(LIBEVENT_${COMPONENT_UPPER}_FOUND ${Libevent_${COMPONENT}_FOUND})
+  endforeach()
+endif()
+
+mark_as_advanced(LIBEVENT_INCLUDE_DIR ${_LIBEVENT_REQUIRED_VARS})
+unset(_LIBEVENT_REQUIRED_VARS)

cmake/FindSpdylay.cmake

@@ -0,0 +1,40 @@
+# - Try to find spdylay
+# Once done this will define
+#  SPDYLAY_FOUND        - System has spdylay
+#  SPDYLAY_INCLUDE_DIRS - The spdylay include directories
+#  SPDYLAY_LIBRARIES    - The libraries needed to use spdylay
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_SPDYLAY QUIET libspdylay)
+
+find_path(SPDYLAY_INCLUDE_DIR
+  NAMES spdylay/spdylay.h
+  HINTS ${PC_SPDYLAY_INCLUDE_DIRS}
+)
+find_library(SPDYLAY_LIBRARY
+  NAMES spdylay
+  HINTS ${PC_SPDYLAY_LIBRARY_DIRS}
+)
+
+if(SPDYLAY_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+SPDYLAY_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${SPDYLAY_INCLUDE_DIR}/spdylay/spdylayver.h"
+    SPDYLAY_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    SPDYLAY_VERSION "${SPDYLAY_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set SPDYLAY_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Spdylay REQUIRED_VARS
+                                  SPDYLAY_LIBRARY SPDYLAY_INCLUDE_DIR
+                                  VERSION_VAR SPDYLAY_VERSION)
+
+if(SPDYLAY_FOUND)
+  set(SPDYLAY_LIBRARIES     ${SPDYLAY_LIBRARY})
+  set(SPDYLAY_INCLUDE_DIRS  ${SPDYLAY_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(SPDYLAY_INCLUDE_DIR SPDYLAY_LIBRARY)

cmake/Version.cmake

@@ -0,0 +1,11 @@
+# Converts a version such as 1.2.255 to 0x0102ff
+function(HexVersion version_hex_var major minor patch)
+  math(EXPR version_dec "${major} * 256 * 256 + ${minor} * 256 + ${patch}")
+  set(version_hex "0x")
+  foreach(i RANGE 5 0 -1)
+    math(EXPR num "(${version_dec} >> (4 * ${i})) & 15")
+    string(SUBSTRING "0123456789abcdef" ${num} 1 num_hex)
+    set(version_hex "${version_hex}${num_hex}")
+  endforeach()
+  set(${version_hex_var} "${version_hex}" PARENT_SCOPE)
+endfunction()

cmakeconfig.h.in

@@ -0,0 +1,84 @@
+
+/* Hint to the compiler that a function parameter is not used  */
+#define _U_ @HINT_UNUSED_PARAM@
+
+/* Hint to the compiler that a function never returns */
+#define NGHTTP2_NORETURN @HINT_NORETURN@
+
+/* Define to `int' if <sys/types.h> does not define. */
+#cmakedefine ssize_t @ssize_t@
+
+/* Define to 1 if you have the `std::map::emplace`. */
+#cmakedefine HAVE_STD_MAP_EMPLACE 1
+
+/* Define to 1 if you have `libjansson` library. */
+#cmakedefine HAVE_JANSSON 1
+
+/* Define to 1 if you have `libxml2` library. */
+#cmakedefine HAVE_LIBXML2 1
+
+/* Define to 1 if you have `spdylay` library. */
+#cmakedefine HAVE_SPDYLAY 1
+
+/* Define to 1 if you have `mruby` library. */
+#cmakedefine HAVE_MRUBY 1
+
+/* Define to 1 if you have `neverbleed` library. */
+#cmakedefine HAVE_NEVERBLEED 1
+
+/* sizeof(int *) */
+#cmakedefine SIZEOF_INT_P   @SIZEOF_INT_P@
+
+/* sizeof(time_t) */
+#cmakedefine SIZEOF_TIME_T  @SIZEOF_TIME_T@
+
+/* Define to 1 if you have the `_Exit` function. */
+#cmakedefine HAVE__EXIT 1
+
+/* Define to 1 if you have the `accept4` function. */
+#cmakedefine HAVE_ACCEPT4 1
+
+/* Define to 1 if you have the `initgroups` function. */
+#cmakedefine01 HAVE_DECL_INITGROUPS
+
+/* Define to 1 to enable debug output. */
+#cmakedefine DEBUGBUILD 1
+
+/* Define to 1 if you want to disable threads. */
+#cmakedefine NOTHREADS 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#cmakedefine HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#cmakedefine HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#cmakedefine HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#cmakedefine HAVE_LIMITS_H 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#cmakedefine HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#cmakedefine HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#cmakedefine HAVE_PWD_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#cmakedefine HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#cmakedefine HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#cmakedefine HAVE_SYSLOG_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#cmakedefine HAVE_TIME_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H 1

configure.ac

@@ -25,7 +25,10 @@ dnl Do not change user variables!
 dnl http://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html
 
 AC_PREREQ(2.61)
-AC_INIT([nghttp2], [1.1.1], [t-tujikawa@users.sourceforge.net])
+AC_INIT([nghttp2], [1.15.0], [t-tujikawa@users.sourceforge.net])
+AC_CONFIG_AUX_DIR([.])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_HEADERS([config.h])
 AC_USE_SYSTEM_EXTENSIONS
 
 LT_PREREQ([2.2.6])
@@ -36,20 +39,14 @@ AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
 AM_INIT_AUTOMAKE([subdir-objects])
-# comment out for now since this requires automake 1.13 or higher and
-# travis has older one.
-# AM_EXTRA_RECURSIVE_TARGETS([it])
 
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
-AC_CONFIG_MACRO_DIR([m4])
-AC_CONFIG_HEADERS([config.h])
-
 dnl See versioning rule:
 dnl  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST(LT_CURRENT, 14)
-AC_SUBST(LT_REVISION, 6)
-AC_SUBST(LT_AGE, 0)
+AC_SUBST(LT_CURRENT, 25)
+AC_SUBST(LT_REVISION, 0)
+AC_SUBST(LT_AGE, 11)
 
 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"`
@@ -77,7 +74,7 @@ AC_ARG_ENABLE([threads],
 
 AC_ARG_ENABLE([app],
     [AS_HELP_STRING([--enable-app],
-                    [Build applications (nghttp, nghttpd and nghttpx) [default=check]])],
+                    [Build applications (nghttp, nghttpd, nghttpx and h2load) [default=check]])],
     [request_app=$enableval], [request_app=check])
 
 AC_ARG_ENABLE([hpack-tools],
@@ -105,6 +102,11 @@ AC_ARG_ENABLE([failmalloc],
                     [Do not build failmalloc test program])],
     [request_failmalloc=$enableval], [request_failmalloc=yes])
 
+AC_ARG_ENABLE([lib-only],
+    [AS_HELP_STRING([--enable-lib-only],
+                    [Build libnghttp2 only.  This is a short hand for --disable-app --disable-examples --disable-hpack-tools --disable-python-bindings])],
+    [request_lib_only=$enableval], [request_lib_only=no])
+
 AC_ARG_WITH([libxml2],
     [AS_HELP_STRING([--with-libxml2],
                     [Use libxml2 [default=check]])],
@@ -120,6 +122,16 @@ AC_ARG_WITH([spdylay],
                     [Use spdylay [default=check]])],
     [request_spdylay=$withval], [request_spdylay=check])
 
+AC_ARG_WITH([mruby],
+    [AS_HELP_STRING([--with-mruby],
+                    [Use mruby [default=no]])],
+    [request_mruby=$withval], [request_mruby=no])
+
+AC_ARG_WITH([neverbleed],
+    [AS_HELP_STRING([--with-neverbleed],
+                    [Use neverbleed [default=no]])],
+    [request_neverbleed=$withval], [request_neverbleed=no])
+
 AC_ARG_WITH([cython],
     [AS_HELP_STRING([--with-cython=PATH],
                     [Use cython in given PATH])],
@@ -141,6 +153,13 @@ PKG_PROG_PKG_CONFIG([0.20])
 
 AM_PATH_PYTHON([2.7],, [:])
 
+if [test "x$request_lib_only" = "xyes"]; then
+  request_app=no
+  request_hpack_tools=no
+  request_examples=no
+  request_python_bindings=no
+fi
+
 if [test "x$request_python_bindings" != "xno"]; then
   AX_PYTHON_DEVEL([>= '2.7'])
 fi
@@ -162,31 +181,25 @@ fi
 #
 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])
+  AC_DEFINE([NGHTTP2_NORETURN], [__attribute__((noreturn))], [Hint to the compiler that a function never return])
 else
-  AC_DEFINE([_U_], , [Hint to the compiler that a function parameters is not used])
+  AC_DEFINE([_U_], , [Hint to the compiler that a function parameter is not used])
+  AC_DEFINE([NGHTTP2_NORETURN], , [Hint to the compiler that a function never return])
 fi
 
+save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS=
+
 AX_CXX_COMPILE_STDCXX_11([noext], [optional])
 
+CXX1XCXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$save_CXXFLAGS"
+AC_SUBST([CXX1XCXXFLAGS])
+
 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_MSG_CHECKING([whether std::chrono::steady_clock is available])
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-[[
-#include <chrono>
-]],
-[[
-auto tp = std::chrono::steady_clock::now();
-]])],
-    [AC_DEFINE([HAVE_STEADY_CLOCK], [1],
-               [Define to 1 if you have the `std::chrono::steady_clock`.])
-     AC_MSG_RESULT([yes])],
-    [AC_MSG_RESULT([no])])
+save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS $CXX1XCXXFLAGS"
 
 # Check that std::future is available.
 AC_MSG_CHECKING([whether std::future is available])
@@ -221,6 +234,28 @@ std::map<int, int>().emplace(1, 2);
     [have_std_map_emplace=no
      AC_MSG_RESULT([no])])
 
+# Check that std::atomic_* overloads for std::shared_ptr are
+# available.
+AC_MSG_CHECKING([whether std::atomic_* overloads for std::shared_ptr are available])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+#include <memory>
+]],
+[[
+auto a = std::make_shared<int>(1000000007);
+auto p = std::atomic_load(&a);
+++*p;
+std::atomic_store(&a, p);
+]])],
+    [AC_DEFINE([HAVE_ATOMIC_STD_SHARED_PTR], [1],
+               [Define to 1 if you have the std::atomic_* overloads for std::shared_ptr.])
+     have_atomic_std_shared_ptr=yes
+     AC_MSG_RESULT([yes])],
+    [have_atomic_std_shared_ptr=no
+     AC_MSG_RESULT([no])])
+
+CXXFLAGS=$save_CXXFLAGS
+
 AC_LANG_POP()
 
 # Checks for libraries.
@@ -231,7 +266,7 @@ TESTLDADD=
 # Additional libraries required for programs under src directory.
 APPLDFLAGS=
 
-case "$host" in
+case "$host_os" in
   *android*)
     android_build=yes
     # android does not need -pthread, but needs followng 3 libs for C++
@@ -243,6 +278,12 @@ case "$host" in
     ;;
 esac
 
+case "$host_os" in
+  *solaris*)
+    APPLDFLAGS="$APPLDFLAGS -lsocket -lnsl"
+    ;;
+esac
+
 # zlib
 PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3], [have_zlib=yes], [have_zlib=no])
 
@@ -250,6 +291,18 @@ if test "x${have_zlib}" = "xno"; then
   AC_MSG_NOTICE($ZLIB_PKG_ERRORS)
 fi
 
+# dl: openssl requires libdl when it is statically linked.
+case "${host_os}" in
+  *bsd*)
+    # dlopen is in libc on *BSD
+    ;;
+  *)
+    save_LIBS=$LIBS
+    AC_SEARCH_LIBS([dlopen], [dl], [APPLDFLAGS="-ldl $APPLDFLAGS"], [], [])
+    LIBS=$save_LIBS
+    ;;
+esac
+
 # cunit
 PKG_CHECK_MODULES([CUNIT], [cunit >= 2.1], [have_cunit=yes], [have_cunit=no])
 # If pkg-config does not find cunit, check it using AC_CHECK_LIB.  We
@@ -281,7 +334,7 @@ AM_CONDITIONAL([HAVE_CUNIT], [ test "x${have_cunit}" = "xyes" ])
 
 # libev (for src)
 # libev does not have pkg-config file.  Check it in an old way.
-LIBS_OLD=$LIBS
+save_LIBS=$LIBS
 # android requires -lm for floor
 AC_CHECK_LIB([ev], [ev_time], [have_libev=yes], [have_libev=no], [-lm])
 if test "x${have_libev}" = "xyes"; then
@@ -293,7 +346,7 @@ if test "x${have_libev}" = "xyes"; then
     AC_SUBST([LIBEV_CFLAGS])
   fi
 fi
-LIBS=$LIBS_OLD
+LIBS=$save_LIBS
 
 # openssl (for src)
 PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1],
@@ -323,7 +376,10 @@ fi
 # libxml2 (for src/nghttp)
 have_libxml2=no
 if test "x${request_libxml2}" != "xno"; then
-  AM_PATH_XML2(2.7.7, [have_libxml2=yes], [have_libxml2=no])
+  m4_ifdef([AM_PATH_XML2],
+    [AM_PATH_XML2(2.7.7, [have_libxml2=yes], [have_libxml2=no])],
+    [AC_MSG_WARN([configure was created without libxml2 detection macro; libxml2 detection is disabled])])
+
   if test "x${have_libxml2}" = "xyes"; then
     AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
   fi
@@ -339,10 +395,9 @@ AM_CONDITIONAL([HAVE_LIBXML2], [ test "x${have_libxml2}" = "xyes" ])
 # jemalloc
 have_jemalloc=no
 if test "x${request_jemalloc}" != "xno"; then
-  LIBS_OLD=$LIBS
+  save_LIBS=$LIBS
   AC_SEARCH_LIBS([malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
                  [$PTHREAD_LDFLAGS])
-  LIBS=$LIBS_OLD
 
   if test "x${have_jemalloc}" = "xyes"; then
     jemalloc_libs=${ac_cv_search_malloc_stats_print}
@@ -350,13 +405,14 @@ if test "x${request_jemalloc}" != "xno"; then
     # On Darwin, malloc_stats_print is je_malloc_stats_print
     AC_SEARCH_LIBS([je_malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
                    [$PTHREAD_LDFLAGS])
-    LIBS=$LIBS_OLD
 
     if test "x${have_jemalloc}" = "xyes"; then
       jemalloc_libs=${ac_cv_search_je_malloc_stats_print}
     fi
   fi
 
+  LIBS=$save_LIBS
+
   if test "x${have_jemalloc}" = "xyes" &&
      test "x${jemalloc_libs}" != "xnone required"; then
     JEMALLOC_LIBS=${jemalloc_libs}
@@ -467,13 +523,35 @@ AM_CONDITIONAL([ENABLE_EXAMPLES], [ test "x${enable_examples}" = "xyes" ])
 # third-party only be built when needed
 
 enable_third_party=no
+have_mruby=no
+have_neverbleed=no
 if test "x${enable_examples}" = "xyes" ||
    test "x${enable_app}" = "xyes" ||
+   test "x${enable_hpack_tools}" = "xyes" ||
    test "x${enable_asio_lib}" = "xyes"; then
   enable_third_party=yes
+
+  # mruby (for src/nghttpx)
+  if test "x${request_mruby}" = "xyes"; then
+    # We are going to build mruby
+    have_mruby=yes
+    AC_DEFINE([HAVE_MRUBY], [1], [Define to 1 if you have `mruby` library.])
+    LIBMRUBY_LIBS="-lmruby -lm"
+    LIBMRUBY_CFLAGS=
+    AC_SUBST([LIBMRUBY_LIBS])
+    AC_SUBST([LIBMRUBY_CFLAGS])
+  fi
+
+  # neverbleed (for src/nghttpx)
+  if test "x${request_neverbleed}" = "xyes"; then
+    have_neverbleed=yes
+    AC_DEFINE([HAVE_NEVERBLEED], [1], [Define to 1 if you have `neverbleed` library.])
+  fi
 fi
 
 AM_CONDITIONAL([ENABLE_THIRD_PARTY], [ test "x${enable_third_party}" = "xyes" ])
+AM_CONDITIONAL([HAVE_MRUBY], [test "x${have_mruby}" = "xyes"])
+AM_CONDITIONAL([HAVE_NEVERBLEED], [test "x${have_neverbleed}" = "xyes"])
 
 # Python bindings
 enable_python_bindings=no
@@ -598,6 +676,15 @@ AC_CHECK_FUNCS([ \
 AC_CHECK_FUNC([timerfd_create],
               [have_timerfd_create=yes], [have_timerfd_create=no])
 
+# For cygwin: we can link initgroups, so AC_CHECK_FUNCS succeeds, but
+# cygwin disables initgroups due to feature test macro magic with our
+# configuration.  FreeBSD declares initgroups() in unistd.h.
+AC_CHECK_DECLS([initgroups], [], [], [[
+  #ifdef HAVE_UNISTD_H
+  # include <unistd.h>
+  #endif
+  #include <grp.h>
+]])
 
 # Checks for epoll availability, primarily for examples/tiny-nghttpd
 AX_HAVE_EPOLL([have_epoll=yes], [have_epoll=no])
@@ -606,10 +693,14 @@ AM_CONDITIONAL([ENABLE_TINY_NGHTTPD],
                [ test "x${have_epoll}" = "xyes" &&
                  test "x${have_timerfd_create}" = "xyes"])
 
-ac_save_CFLAGS=$CFLAGS
+save_CFLAGS=$CFLAGS
+save_CXXFLAGS=$CXXFLAGS
+
 CFLAGS=
+CXXFLAGS=
 
 if test "x$werror" != "xno"; then
+    # For C compiler
     AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
     AX_CHECK_COMPILE_FLAG([-Wextra], [CFLAGS="$CFLAGS -Wextra"])
     AX_CHECK_COMPILE_FLAG([-Werror], [CFLAGS="$CFLAGS -Werror"])
@@ -637,14 +728,51 @@ if test "x$werror" != "xno"; then
     AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
     AX_CHECK_COMPILE_FLAG([-Wshorten-64-to-32], [CFLAGS="$CFLAGS -Wshorten-64-to-32"])
 
+    AX_CHECK_COMPILE_FLAG([-Wconversion], [CFLAGS="$CFLAGS -Wconversion"])
+    AX_CHECK_COMPILE_FLAG([-Wextended-offsetof], [CFLAGS="$CFLAGS -Wextended-offsetof"])
+    AX_CHECK_COMPILE_FLAG([-Wformat-nonliteral], [CFLAGS="$CFLAGS -Wformat-nonliteral"])
+    AX_CHECK_COMPILE_FLAG([-Wlanguage-extension-token], [CFLAGS="$CFLAGS -Wlanguage-extension-token"])
+    AX_CHECK_COMPILE_FLAG([-Wmissing-field-initializers], [CFLAGS="$CFLAGS -Wmissing-field-initializers"])
+    AX_CHECK_COMPILE_FLAG([-Wmissing-noreturn], [CFLAGS="$CFLAGS -Wmissing-noreturn"])
+    AX_CHECK_COMPILE_FLAG([-Wmissing-variable-declarations], [CFLAGS="$CFLAGS -Wmissing-variable-declarations"])
+    # Not used because we cannot change public structs
+    # AX_CHECK_COMPILE_FLAG([-Wpadded], [CFLAGS="$CFLAGS -Wpadded"])
+    AX_CHECK_COMPILE_FLAG([-Wsign-conversion], [CFLAGS="$CFLAGS -Wsign-conversion"])
+    # Not used because this basically disallows default case
+    # AX_CHECK_COMPILE_FLAG([-Wswitch-enum], [CFLAGS="$CFLAGS -Wswitch-enum"])
+    AX_CHECK_COMPILE_FLAG([-Wunreachable-code-break], [CFLAGS="$CFLAGS -Wunreachable-code-break"])
+    AX_CHECK_COMPILE_FLAG([-Wunused-macros], [CFLAGS="$CFLAGS -Wunused-macros"])
+    AX_CHECK_COMPILE_FLAG([-Wunused-parameter], [CFLAGS="$CFLAGS -Wunused-parameter"])
+    AX_CHECK_COMPILE_FLAG([-Wredundant-decls], [CFLAGS="$CFLAGS -Wredundant-decls"])
     # Only work with Clang for the moment
     AX_CHECK_COMPILE_FLAG([-Wheader-guard], [CFLAGS="$CFLAGS -Wheader-guard"])
+    AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CFLAGS="$CFLAGS -Wsometimes-uninitialized"])
+
+    # This is required because we pass format string as "const char*.
+    AX_CHECK_COMPILE_FLAG([-Wno-format-nonliteral], [CFLAGS="$CFLAGS -Wno-format-nonliteral"])
+
+    # For C++ compiler
+    AC_LANG_PUSH(C++)
+    AX_CHECK_COMPILE_FLAG([-Wall], [CXXFLAGS="$CXXFLAGS -Wall"])
+    AX_CHECK_COMPILE_FLAG([-Werror], [CXXFLAGS="$CXXFLAGS -Werror"])
+    AX_CHECK_COMPILE_FLAG([-Wformat-security], [CXXFLAGS="$CXXFLAGS -Wformat-security"])
+    AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CXXFLAGS="$CXXFLAGS -Wsometimes-uninitialized"])
+    AC_LANG_POP()
 fi
 
 WARNCFLAGS=$CFLAGS
-CFLAGS=$ac_save_CFLAGS
+WARNCXXFLAGS=$CXXFLAGS
+
+CFLAGS=$save_CFLAGS
+CXXFLAGS=$save_CXXFLAGS
 
 AC_SUBST([WARNCFLAGS])
+AC_SUBST([WARNCXXFLAGS])
+
+EXTRACFLAG=
+AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [EXTRACFLAG="-fvisibility=hidden"])
+
+AC_SUBST([EXTRACFLAG])
 
 if test "x$debug" != "xno"; then
     AC_DEFINE([DEBUGBUILD], [1], [Define to 1 to enable debug output.])
@@ -659,6 +787,9 @@ if test "x$threads" != "xyes" ||
     AC_DEFINE([NOTHREADS], [1], [Define to 1 if you want to disable threads.])
 fi
 
+# propagate $enable_static to tests/Makefile.am
+AM_CONDITIONAL([ENABLE_STATIC], [test "x$enable_static" = "xyes"])
+
 AC_SUBST([TESTLDADD])
 AC_SUBST([APPLDFLAGS])
 
@@ -705,20 +836,30 @@ AC_OUTPUT
 
 AC_MSG_NOTICE([summary of build options:
 
-    Version:        ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
-    Host type:      ${host}
-    Install prefix: ${prefix}
-    C compiler:     ${CC}
-    CFLAGS:         ${CFLAGS}
-    WARNCFLAGS:     ${WARNCFLAGS}
-    LDFLAGS:        ${LDFLAGS}
-    LIBS:           ${LIBS}
-    CPPFLAGS:       ${CPPFLAGS}
-    C preprocessor: ${CPP}
-    C++ compiler:   ${CXX}
-    CXXFLAGS:       ${CXXFLAGS}
-    CXXCPP:         ${CXXCPP}
-    Library types:  Shared=${enable_shared}, Static=${enable_static}
+    Package version: ${VERSION}
+    Library version: $LT_CURRENT:$LT_REVISION:$LT_AGE
+    Install prefix:  ${prefix}
+    System types:
+      Build:         ${build}
+      Host:          ${host}
+      Target:        ${target}
+    Compiler:
+      C compiler:     ${CC}
+      CFLAGS:         ${CFLAGS}
+      LDFLAGS:        ${LDFLAGS}
+      C++ compiler:   ${CXX}
+      CXXFLAGS:       ${CXXFLAGS}
+      CXXCPP:         ${CXXCPP}
+      C preprocessor: ${CPP}
+      CPPFLAGS:       ${CPPFLAGS}
+      WARNCFLAGS:     ${WARNCFLAGS}
+      WARNCXXFLAGS:   ${WARNCXXFLAGS}
+      CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
+      EXTRACFLAG:     ${EXTRACFLAG}
+      LIBS:           ${LIBS}
+    Library:
+      Shared:         ${enable_shared}
+      Static:         ${enable_static}
     Python:
       Python:         ${PYTHON}
       PYTHON_VERSION: ${PYTHON_VERSION}
@@ -728,22 +869,26 @@ AC_MSG_NOTICE([summary of build options:
       PYTHON_LDFLAGS: ${PYTHON_LDFLAGS}
       Cython:         ${CYTHON}
     Test:
-      CUnit:          ${have_cunit}
+      CUnit:          ${have_cunit} (CFLAGS='${CUNIT_CFLAGS}' LIBS='${CUNIT_LIBS}')
       Failmalloc:     ${enable_failmalloc}
     Libs:
-      OpenSSL:        ${have_openssl}
-      Libxml2:        ${have_libxml2}
-      Libev:          ${have_libev}
-      Libevent(SSL):  ${have_libevent_openssl}
-      Spdylay:        ${have_spdylay}
-      Jansson:        ${have_jansson}
-      Jemalloc:       ${have_jemalloc}
-      Zlib:           ${have_zlib}
+      OpenSSL:        ${have_openssl} (CFLAGS='${OPENSSL_CFLAGS}' LIBS='${OPENSSL_LIBS}')
+      Libxml2:        ${have_libxml2} (CFLAGS='${XML_CPPFLAGS}' LIBS='${XML_LIBS}')
+      Libev:          ${have_libev} (CFLAGS='${LIBEV_CFLAGS}' LIBS='${LIBEV_LIBS}')
+      Libevent(SSL):  ${have_libevent_openssl} (CFLAGS='${LIBEVENT_OPENSSL_CFLAGS}' LIBS='${LIBEVENT_OPENSSL_LIBS}')
+      Spdylay:        ${have_spdylay} (CFLAGS='${LIBSPDYLAY_CFLAGS}' LIBS='${LIBSPDYLAY_LIBS}')
+      Jansson:        ${have_jansson} (CFLAGS='${JANSSON_CFLAGS}' LIBS='${JANSSON_LIBS}')
+      Jemalloc:       ${have_jemalloc} (LIBS='${JEMALLOC_LIBS}')
+      Zlib:           ${have_zlib} (CFLAGS='${ZLIB_CFLAGS}' LIBS='${ZLIB_LIBS}')
       Boost CPPFLAGS: ${BOOST_CPPFLAGS}
       Boost LDFLAGS:  ${BOOST_LDFLAGS}
       Boost::ASIO:    ${BOOST_ASIO_LIB}
       Boost::System:  ${BOOST_SYSTEM_LIB}
       Boost::Thread:  ${BOOST_THREAD_LIB}
+    Third-party:
+      http-parser:    ${enable_third_party}
+      MRuby:          ${have_mruby} (CFLAGS='${LIBMRUBY_CFLAGS}' LIBS='${LIBMRUBY_LIBS}')
+      Neverbleed:     ${have_neverbleed}
     Features:
       Applications:   ${enable_app}
       HPACK tools:    ${enable_hpack_tools}
@@ -751,5 +896,4 @@ AC_MSG_NOTICE([summary of build options:
       Examples:       ${enable_examples}
       Python bindings:${enable_python_bindings}
       Threading:      ${enable_threads}
-      Third-party:    ${enable_third_party}
 ])

contrib/CMakeLists.txt

@@ -0,0 +1,12 @@
+set(CONFIGFILES
+  nghttpx-init
+  nghttpx.service
+  nghttpx-upstart.conf
+)
+
+# Note that the execute permissions of nghttpx-init is preserved
+foreach(name IN LISTS CONFIGFILES)
+  configure_file("${name}.in" "${name}" @ONLY)
+endforeach()
+
+# set(EXTRA_DIST ${CONFIGFILES} nghttpx-logrotate tlsticketupdate.go)

contrib/Makefile.am

@@ -23,17 +23,24 @@
 
 configfiles = nghttpx-init nghttpx.service nghttpx-upstart.conf
 
-EXTRA_DIST = $(configfiles:%=%.in) nghttpx-logrotate
+EXTRA_DIST = \
+	CMakeLists.txt \
+	$(configfiles:%=%.in) \
+	nghttpx-logrotate \
+	tlsticketupdate.go
 
 edit = sed -e 's|@bindir[@]|$(bindir)|g'
 
-nghttpx-init: %: $(srcdir)/%.in
+nghttpx-init: $(srcdir)/nghttpx-init.in
 	rm -f $@ $@.tmp
 	$(edit) $< > $@.tmp
 	chmod +x $@.tmp
 	mv $@.tmp $@
 
-nghttpx.service nghttpx-upstart.conf: %: $(srcdir)/%.in
+nghttpx.service: $(srcdir)/nghttpx.service.in
+	$(edit) $< > $@
+
+nghttpx-upstart.conf: $(srcdir)/nghttpx-upstart.conf.in
 	$(edit) $< > $@
 
 $(configfiles): Makefile

contrib/nghttpx-init.in

@@ -20,7 +20,7 @@ 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=$PIDFILE"
+DAEMON_ARGS="--conf /etc/nghttpx/nghttpx.conf --pid-file=$PIDFILE --daemon"
 SCRIPTNAME=/etc/init.d/$NAME
 
 # Exit if the package is not installed
@@ -83,19 +83,6 @@ do_stop()
 	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"
@@ -114,34 +101,38 @@ case "$1" in
 	esac
 	;;
   status)
-       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
-       ;;
+	status_of_proc "$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 $?
-	#;;
+	log_daemon_msg "Upgrading $DESC" "$NAME"
+	oldpid=`pidofproc -p $PIDFILE $NAME`
+	case "$?" in
+		0)
+			log_progress_msg "Sending SIGUSR2 to $oldpid..."
+			kill -USR2 $oldpid
+			log_progress_msg "Waiting for new binary..."
+			for i in 1 2 3 4 5 ; do
+				sleep 1
+				newpid=`pidofproc -p $PIDFILE $NAME`
+				if [ "$newpid" != "$oldpid" ] ; then
+					break
+				fi
+			done
+			if [ "$newpid" != "$oldpid" ] ; then
+				log_progress_msg "Sending SIGQUIT to $oldpid..."
+				kill -QUIT $oldpid
+				log_end_msg 0
+			else
+				log_progress_msg "New binary failed to start"
+				log_end_msg 1
+			fi
+			;;
+		*)
+			log_progress_msg "pidofproc() failed"
+			log_end_msg 1
+		;;
+	esac
+	;;
   restart|force-reload)
 	#
 	# If the "reload" option is implemented then remove the

contrib/nghttpx-logrotate

@@ -6,6 +6,6 @@
   delaycompress
   notifempty
   postrotate
-    killall -USR1 nghttpx 2> /dev/null || true
+    [ -s /var/run/nghttpx.pid ] && kill -USR1 `cat /var/run/nghttpx.pid` 2> /dev/null || true
   endscript
 }

contrib/nghttpx.service.in

@@ -1,10 +1,10 @@
 [Unit]
-Description=HTTP/2 experimental proxy
+Description=HTTP/2 proxy
 After=network.target
 
 [Service]
-Type=simple
-ExecStart=@bindir@/nghttpx --errorlog-syslog
+Type=forking
+ExecStart=@bindir@/nghttpx --conf=/etc/nghttpx/nghttpx.conf --pid-file=/run/nghttpx.pid --daemon
 
 [Install]
 WantedBy=multi-user.target

contrib/tlsticketupdate.go

@@ -0,0 +1,113 @@
+//
+// nghttp2 - HTTP/2 C Library
+//
+// Copyright (c) 2015 Tatsuhiro Tsujikawa
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+package main
+
+import (
+	"bytes"
+	"crypto/rand"
+	"encoding/binary"
+	"flag"
+	"fmt"
+	"github.com/bradfitz/gomemcache/memcache"
+	"log"
+	"time"
+)
+
+func makeKey(len int) []byte {
+	b := make([]byte, len)
+	if _, err := rand.Read(b); err != nil {
+		log.Fatalf("rand.Read: %v", err)
+	}
+	return b
+}
+
+func main() {
+	var host = flag.String("host", "127.0.0.1", "memcached host")
+	var port = flag.Int("port", 11211, "memcached port")
+	var cipher = flag.String("cipher", "aes-128-cbc", "cipher for TLS ticket encryption")
+	var interval = flag.Int("interval", 3600, "interval to update TLS ticket keys")
+
+	flag.Parse()
+
+	var keylen int
+	switch *cipher {
+	case "aes-128-cbc":
+		keylen = 48
+	case "aes-256-cbc":
+		keylen = 80
+	default:
+		log.Fatalf("cipher: unknown cipher %v", cipher)
+	}
+
+	mc := memcache.New(fmt.Sprintf("%v:%v", *host, *port))
+
+	keys := [][]byte{
+		makeKey(keylen), // current encryption key
+		makeKey(keylen), // next encryption key; now decryption only
+	}
+
+	for {
+		buf := new(bytes.Buffer)
+		if err := binary.Write(buf, binary.BigEndian, uint32(1)); err != nil {
+			log.Fatalf("failed to write version: %v", err)
+		}
+
+		for _, key := range keys {
+			if err := binary.Write(buf, binary.BigEndian, uint16(keylen)); err != nil {
+				log.Fatalf("failed to write length: %v", err)
+			}
+			if _, err := buf.Write(key); err != nil {
+				log.Fatalf("buf.Write: %v", err)
+			}
+		}
+
+		mc.Set(&memcache.Item{
+			Key:        "nghttpx:tls-ticket-key",
+			Value:      buf.Bytes(),
+			Expiration: int32((*interval) + 300),
+		})
+
+		select {
+		case <-time.After(time.Duration(*interval) * time.Second):
+		}
+
+		// rotate keys.  the last key is now encryption key.
+		// generate new key and append it to the last, so that
+		// we can at least decrypt TLS ticket encrypted by new
+		// key on the host which does not get new key yet.
+		// keep at most past 11 keys as decryption only key
+		n := len(keys) + 1
+		if n > 13 {
+			n = 13
+		}
+		newKeys := make([][]byte, n)
+		newKeys[0] = keys[len(keys)-1]
+		copy(newKeys[1:], keys[0:n-2])
+		newKeys[n-1] = makeKey(keylen)
+
+		keys = newKeys
+	}
+
+}

contrib/usr.sbin.nghttpx

@@ -0,0 +1,16 @@
+#include <tunables/global>
+
+/usr/sbin/nghttpx {
+  #include <abstractions/base>
+  #include <abstractions/nameservice>
+  #include <abstractions/openssl>
+
+  capability setgid,
+  capability setuid,
+
+  /usr/sbin/nghttpx rmix,      # allow to run itself
+  /etc/nghttpx/nghttpx.conf r, # allow to read the config file
+  /etc/ssl/** r,               # give access to ssl keys
+
+  /{,var/}run/nghttpx.pid lw,  # allow to store a pid file
+}

doc/CMakeLists.txt

@@ -0,0 +1,351 @@
+# Generated documents
+set(APIDOCS
+  macros.rst
+  enums.rst
+  types.rst
+  nghttp2_check_header_name.rst
+  nghttp2_check_header_value.rst
+  nghttp2_hd_deflate_bound.rst
+  nghttp2_hd_deflate_change_table_size.rst
+  nghttp2_hd_deflate_del.rst
+  nghttp2_hd_deflate_get_dynamic_table_size.rst
+  nghttp2_hd_deflate_get_max_dynamic_table_size.rst
+  nghttp2_hd_deflate_get_num_table_entries.rst
+  nghttp2_hd_deflate_get_table_entry.rst
+  nghttp2_hd_deflate_hd.rst
+  nghttp2_hd_deflate_hd_vec.rst
+  nghttp2_hd_deflate_new.rst
+  nghttp2_hd_deflate_new2.rst
+  nghttp2_hd_inflate_change_table_size.rst
+  nghttp2_hd_inflate_del.rst
+  nghttp2_hd_inflate_end_headers.rst
+  nghttp2_hd_inflate_get_dynamic_table_size.rst
+  nghttp2_hd_inflate_get_max_dynamic_table_size.rst
+  nghttp2_hd_inflate_get_num_table_entries.rst
+  nghttp2_hd_inflate_get_table_entry.rst
+  nghttp2_hd_inflate_hd.rst
+  nghttp2_hd_inflate_hd2.rst
+  nghttp2_hd_inflate_new.rst
+  nghttp2_hd_inflate_new2.rst
+  nghttp2_http2_strerror.rst
+  nghttp2_is_fatal.rst
+  nghttp2_nv_compare_name.rst
+  nghttp2_option_del.rst
+  nghttp2_option_new.rst
+  nghttp2_option_set_builtin_recv_extension_type.rst
+  nghttp2_option_set_max_deflate_dynamic_table_size.rst
+  nghttp2_option_set_max_reserved_remote_streams.rst
+  nghttp2_option_set_max_send_header_block_length.rst
+  nghttp2_option_set_no_auto_ping_ack.rst
+  nghttp2_option_set_no_auto_window_update.rst
+  nghttp2_option_set_no_http_messaging.rst
+  nghttp2_option_set_no_recv_client_magic.rst
+  nghttp2_option_set_peer_max_concurrent_streams.rst
+  nghttp2_option_set_user_recv_extension_type.rst
+  nghttp2_pack_settings_payload.rst
+  nghttp2_priority_spec_check_default.rst
+  nghttp2_priority_spec_default_init.rst
+  nghttp2_priority_spec_init.rst
+  nghttp2_rcbuf_decref.rst
+  nghttp2_rcbuf_get_buf.rst
+  nghttp2_rcbuf_incref.rst
+  nghttp2_select_next_protocol.rst
+  nghttp2_session_callbacks_del.rst
+  nghttp2_session_callbacks_new.rst
+  nghttp2_session_callbacks_set_before_frame_send_callback.rst
+  nghttp2_session_callbacks_set_data_source_read_length_callback.rst
+  nghttp2_session_callbacks_set_error_callback.rst
+  nghttp2_session_callbacks_set_on_begin_frame_callback.rst
+  nghttp2_session_callbacks_set_on_begin_headers_callback.rst
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback.rst
+  nghttp2_session_callbacks_set_on_extension_chunk_recv_callback.rst
+  nghttp2_session_callbacks_set_on_frame_not_send_callback.rst
+  nghttp2_session_callbacks_set_on_frame_recv_callback.rst
+  nghttp2_session_callbacks_set_on_frame_send_callback.rst
+  nghttp2_session_callbacks_set_on_header_callback.rst
+  nghttp2_session_callbacks_set_on_header_callback2.rst
+  nghttp2_session_callbacks_set_on_invalid_frame_recv_callback.rst
+  nghttp2_session_callbacks_set_on_invalid_header_callback.rst
+  nghttp2_session_callbacks_set_on_invalid_header_callback2.rst
+  nghttp2_session_callbacks_set_on_stream_close_callback.rst
+  nghttp2_session_callbacks_set_pack_extension_callback.rst
+  nghttp2_session_callbacks_set_recv_callback.rst
+  nghttp2_session_callbacks_set_select_padding_callback.rst
+  nghttp2_session_callbacks_set_send_callback.rst
+  nghttp2_session_callbacks_set_send_data_callback.rst
+  nghttp2_session_callbacks_set_unpack_extension_callback.rst
+  nghttp2_session_change_stream_priority.rst
+  nghttp2_session_check_request_allowed.rst
+  nghttp2_session_check_server_session.rst
+  nghttp2_session_client_new.rst
+  nghttp2_session_client_new2.rst
+  nghttp2_session_client_new3.rst
+  nghttp2_session_consume.rst
+  nghttp2_session_consume_connection.rst
+  nghttp2_session_consume_stream.rst
+  nghttp2_session_create_idle_stream.rst
+  nghttp2_session_del.rst
+  nghttp2_session_find_stream.rst
+  nghttp2_session_get_effective_local_window_size.rst
+  nghttp2_session_get_effective_recv_data_length.rst
+  nghttp2_session_get_hd_deflate_dynamic_table_size.rst
+  nghttp2_session_get_hd_inflate_dynamic_table_size.rst
+  nghttp2_session_get_last_proc_stream_id.rst
+  nghttp2_session_get_local_settings.rst
+  nghttp2_session_get_local_window_size.rst
+  nghttp2_session_get_next_stream_id.rst
+  nghttp2_session_get_outbound_queue_size.rst
+  nghttp2_session_get_remote_settings.rst
+  nghttp2_session_get_remote_window_size.rst
+  nghttp2_session_get_root_stream.rst
+  nghttp2_session_get_stream_effective_local_window_size.rst
+  nghttp2_session_get_stream_effective_recv_data_length.rst
+  nghttp2_session_get_stream_local_close.rst
+  nghttp2_session_get_stream_local_window_size.rst
+  nghttp2_session_get_stream_remote_close.rst
+  nghttp2_session_get_stream_remote_window_size.rst
+  nghttp2_session_get_stream_user_data.rst
+  nghttp2_session_mem_recv.rst
+  nghttp2_session_mem_send.rst
+  nghttp2_session_recv.rst
+  nghttp2_session_resume_data.rst
+  nghttp2_session_send.rst
+  nghttp2_session_server_new.rst
+  nghttp2_session_server_new2.rst
+  nghttp2_session_server_new3.rst
+  nghttp2_session_set_local_window_size.rst
+  nghttp2_session_set_next_stream_id.rst
+  nghttp2_session_set_stream_user_data.rst
+  nghttp2_session_terminate_session.rst
+  nghttp2_session_terminate_session2.rst
+  nghttp2_session_upgrade.rst
+  nghttp2_session_upgrade2.rst
+  nghttp2_session_want_read.rst
+  nghttp2_session_want_write.rst
+  nghttp2_stream_get_first_child.rst
+  nghttp2_stream_get_next_sibling.rst
+  nghttp2_stream_get_parent.rst
+  nghttp2_stream_get_previous_sibling.rst
+  nghttp2_stream_get_state.rst
+  nghttp2_stream_get_sum_dependency_weight.rst
+  nghttp2_stream_get_weight.rst
+  nghttp2_strerror.rst
+  nghttp2_submit_altsvc.rst
+  nghttp2_submit_data.rst
+  nghttp2_submit_extension.rst
+  nghttp2_submit_goaway.rst
+  nghttp2_submit_headers.rst
+  nghttp2_submit_ping.rst
+  nghttp2_submit_priority.rst
+  nghttp2_submit_push_promise.rst
+  nghttp2_submit_request.rst
+  nghttp2_submit_response.rst
+  nghttp2_submit_rst_stream.rst
+  nghttp2_submit_settings.rst
+  nghttp2_submit_shutdown_notice.rst
+  nghttp2_submit_trailer.rst
+  nghttp2_submit_window_update.rst
+  nghttp2_version.rst
+)
+
+set(MAN_PAGES
+  nghttp.1
+  nghttpd.1
+  nghttpx.1
+  h2load.1
+)
+
+# Other .rst files from the source tree that need to be copied
+# XXX move them to sources/ and create .in files?
+set(RST_FILES
+  README.rst
+  programmers-guide.rst
+  nghttp.1.rst
+  nghttpd.1.rst
+  nghttpx.1.rst
+  h2load.1.rst
+)
+
+# XXX unused for now
+set(EXTRA_DIST
+  mkapiref.py
+  ${RST_FILES}
+  ${APIDOCS}
+  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
+  _exts/sphinxcontrib/LICENSE.rubydomain
+  _exts/sphinxcontrib/__init__.py
+  _exts/sphinxcontrib/rubydomain.py
+  _themes/sphinx_rtd_theme/__init__.py
+  _themes/sphinx_rtd_theme/breadcrumbs.html
+  _themes/sphinx_rtd_theme/footer.html
+  _themes/sphinx_rtd_theme/layout.html
+  _themes/sphinx_rtd_theme/layout_old.html
+  _themes/sphinx_rtd_theme/search.html
+  _themes/sphinx_rtd_theme/searchbox.html
+  _themes/sphinx_rtd_theme/static/css/badge_only.css
+  _themes/sphinx_rtd_theme/static/css/theme.css
+  _themes/sphinx_rtd_theme/static/fonts/FontAwesome.otf
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.eot
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.svg
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.woff
+  _themes/sphinx_rtd_theme/static/js/theme.js
+  _themes/sphinx_rtd_theme/theme.conf
+  _themes/sphinx_rtd_theme/versions.html
+  ${MAN_PAGES}
+  bash_completion/nghttp
+  bash_completion/nghttpd
+  bash_completion/nghttpx
+  bash_completion/h2load
+)
+
+# Based on Makefile for Sphinx documentation
+
+# You can set these variables from the command line.
+set(SPHINXOPTS)
+set(SPHINXBUILD sphinx-build)
+set(PAPER)
+set(BUILDDIR    manual)
+
+# Internal variables.
+set(PAPEROPT_a4     -D latex_paper_size=a4)
+set(PAPEROPT_letter -D latex_paper_size=letter)
+set(ALLSPHINXOPTS   -d ${BUILDDIR}/doctrees ${PAPEROPT_${PAPER}} ${SPHINXOPTS} .)
+
+# "Please use `make <target>' where <target> is one of"
+# "  html       to make standalone HTML files"
+# "  dirhtml    to make HTML files named index.html in directories"
+# "  singlehtml to make a single large HTML file"
+# "  pickle     to make pickle files"
+# "  json       to make JSON files"
+# "  htmlhelp   to make HTML files and a HTML help project"
+# "  qthelp     to make HTML files and a qthelp project"
+# "  devhelp    to make HTML files and a Devhelp project"
+# "  epub       to make an epub"
+# "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+# "  latexpdf   to make LaTeX files and run them through pdflatex"
+# "  text       to make text files"
+# "  man        to make manual pages"
+# "  changes    to make an overview of all changed/added/deprecated items"
+# "  linkcheck  to check all external links for integrity"
+# "  doctest    to run all doctests embedded in the documentation (if enabled)"
+
+
+# Copy files for out-of-tree builds
+if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
+  set(RST_BUILD_FILES)
+  foreach(rstfile IN LISTS RST_FILES)
+    set(outfile "${CMAKE_CURRENT_BINARY_DIR}/${rstfile}")
+    add_custom_command(OUTPUT "${outfile}"
+      COMMAND ${CMAKE_COMMAND} -E copy
+              "${CMAKE_CURRENT_SOURCE_DIR}/${rstfile}" "${outfile}"
+      DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${rstfile}"
+    )
+    list(APPEND RST_BUILD_FILES "${outfile}")
+  endforeach()
+else()
+  set(RST_BUILD_FILES "${RST_FILES}")
+endif()
+
+set(apiref_SOURCES
+  ${CMAKE_BINARY_DIR}/lib/includes/nghttp2/nghttp2ver.h
+  ${CMAKE_SOURCE_DIR}/lib/includes/nghttp2/nghttp2.h
+)
+# Generates apiref.rst and other files
+add_custom_command(
+  OUTPUT
+    apiref.rst
+    ${APIDOCS}
+  COMMAND
+    "${PYTHON_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/mkapiref.py"
+    apiref.rst macros.rst enums.rst types.rst .
+    ${apiref_SOURCES}
+  DEPENDS
+    ${RST_BUILD_FILES}
+    ${apiref_SOURCES}
+)
+
+
+
+set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${BUILDDIR}")
+
+# Invokes sphinx-build and prints the given messages when completed
+function(sphinxbuild builder)
+  set(echo_commands)
+  foreach(message IN LISTS ARGN)
+    list(APPEND echo_commands COMMAND ${CMAKE_COMMAND} -E echo "${message}")
+  endforeach()
+  add_custom_target(${builder}
+    COMMAND "${SPHINXBUILD}" -b ${builder} ${ALLSPHINXOPTS} "${BUILDDIR}/${builder}"
+    COMMAND ${CMAKE_COMMAND} -E echo
+    ${echo_commands}
+    VERBATIM
+    DEPENDS apiref.rst
+  )
+endfunction()
+
+foreach(builder html dirhtml singlehtml)
+  sphinxbuild(${builder}
+    "Build finished. The HTML pages are in ${BUILDDIR}/${builder}.")
+endforeach()
+sphinxbuild(pickle  "Build finished; now you can process the pickle files.")
+sphinxbuild(json    "Build finished; now you can process the JSON files.")
+sphinxbuild(htmlhelp
+  "Build finished; now you can run HTML Help Workshop with the"
+  ".hhp project file in ${BUILDDIR}/htmlhelp."
+)
+sphinxbuild(qthelp
+  "Build finished; now you can run \"qcollectiongenerator\" with the"
+  ".qhcp project file in ${BUILDDIR}/qthelp, like this:"
+  "# qcollectiongenerator ${BUILDDIR}/qthelp/nghttp2.qhcp"
+  "To view the help file:"
+  "# assistant -collectionFile ${BUILDDIR}/qthelp/nghttp2.qhc"
+)
+sphinxbuild(devhelp
+  "Build finished."
+  "To view the help file:"
+  "# mkdir -p ~/.local/share/devhelp/nghttp2"
+  "# ln -s ${BUILDDIR}/devhelp ~/.local/share/devhelp/nghttp2"
+  "# devhelp"
+)
+sphinxbuild(epub    "Build finished. The epub file is in ${BUILDDIR}/epub.")
+sphinxbuild(latex
+  "Build finished; the LaTeX files are in ${BUILDDIR}/latex."
+  "Run `make' in that directory to run these through (pdf)latex"
+  "(use `make latexpdf' here to do that automatically)."
+)
+
+# Invoke the Makefile generated by sphinx
+add_custom_target(latexpdf
+  COMMAND ${CMAKE_COMMAND} -E echo "Running LaTeX files through pdflatex..."
+  COMMAND make -C "${BUILDDIR}/latex" all-pdf
+  COMMAND ${CMAKE_COMMAND} -E echo "pdflatex finished; the PDF files are in ${BUILDDIR}/latex."
+  DEPENDS latex
+)
+
+sphinxbuild(text    "Build finished. The text files are in ${BUILDDIR}/text.")
+sphinxbuild(man     "Build finished. The manual pages are in ${BUILDDIR}/man.")
+sphinxbuild(changes "The overview file is in ${BUILDDIR}/changes.")
+sphinxbuild(linkcheck
+  "Link check complete; look for any errors in the above output"
+  "or in ${BUILDDIR}/linkcheck/output.txt."
+)
+sphinxbuild(doctest
+  "Testing of doctests in the sources finished, look at the"
+  "results in ${BUILDDIR}/doctest/output.txt."
+)
+
+foreach(_man_page IN LISTS MAN_PAGES)
+  install(FILES ${_man_page}
+    DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
+  )
+endforeach()

doc/Makefile.am

@@ -24,7 +24,6 @@
 man_MANS = nghttp.1 nghttpd.1 nghttpx.1 h2load.1
 
 APIDOCS= \
-	apiref.rst \
 	macros.rst \
 	enums.rst \
 	types.rst \
@@ -33,62 +32,100 @@ APIDOCS= \
 	nghttp2_hd_deflate_bound.rst \
 	nghttp2_hd_deflate_change_table_size.rst \
 	nghttp2_hd_deflate_del.rst \
+	nghttp2_hd_deflate_get_dynamic_table_size.rst \
+	nghttp2_hd_deflate_get_max_dynamic_table_size.rst \
+	nghttp2_hd_deflate_get_num_table_entries.rst \
+	nghttp2_hd_deflate_get_table_entry.rst \
 	nghttp2_hd_deflate_hd.rst \
+	nghttp2_hd_deflate_hd_vec.rst \
 	nghttp2_hd_deflate_new.rst \
 	nghttp2_hd_deflate_new2.rst \
 	nghttp2_hd_inflate_change_table_size.rst \
 	nghttp2_hd_inflate_del.rst \
 	nghttp2_hd_inflate_end_headers.rst \
+	nghttp2_hd_inflate_get_dynamic_table_size.rst \
+	nghttp2_hd_inflate_get_max_dynamic_table_size.rst \
+	nghttp2_hd_inflate_get_num_table_entries.rst \
+	nghttp2_hd_inflate_get_table_entry.rst \
 	nghttp2_hd_inflate_hd.rst \
+	nghttp2_hd_inflate_hd2.rst \
 	nghttp2_hd_inflate_new.rst \
 	nghttp2_hd_inflate_new2.rst \
+	nghttp2_http2_strerror.rst \
 	nghttp2_is_fatal.rst \
 	nghttp2_nv_compare_name.rst \
 	nghttp2_option_del.rst \
 	nghttp2_option_new.rst \
+	nghttp2_option_set_builtin_recv_extension_type.rst \
+	nghttp2_option_set_max_deflate_dynamic_table_size.rst \
+	nghttp2_option_set_max_reserved_remote_streams.rst \
+	nghttp2_option_set_max_send_header_block_length.rst \
+	nghttp2_option_set_no_auto_ping_ack.rst \
 	nghttp2_option_set_no_auto_window_update.rst \
 	nghttp2_option_set_no_http_messaging.rst \
-	nghttp2_option_set_peer_max_concurrent_streams.rst \
 	nghttp2_option_set_no_recv_client_magic.rst \
+	nghttp2_option_set_peer_max_concurrent_streams.rst \
+	nghttp2_option_set_user_recv_extension_type.rst \
 	nghttp2_pack_settings_payload.rst \
 	nghttp2_priority_spec_check_default.rst \
 	nghttp2_priority_spec_default_init.rst \
 	nghttp2_priority_spec_init.rst \
+	nghttp2_rcbuf_decref.rst \
+	nghttp2_rcbuf_get_buf.rst \
+	nghttp2_rcbuf_incref.rst \
 	nghttp2_select_next_protocol.rst \
 	nghttp2_session_callbacks_del.rst \
 	nghttp2_session_callbacks_new.rst \
 	nghttp2_session_callbacks_set_before_frame_send_callback.rst \
 	nghttp2_session_callbacks_set_data_source_read_length_callback.rst \
+	nghttp2_session_callbacks_set_error_callback.rst \
 	nghttp2_session_callbacks_set_on_begin_frame_callback.rst \
 	nghttp2_session_callbacks_set_on_begin_headers_callback.rst \
 	nghttp2_session_callbacks_set_on_data_chunk_recv_callback.rst \
+	nghttp2_session_callbacks_set_on_extension_chunk_recv_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_not_send_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_recv_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_send_callback.rst \
 	nghttp2_session_callbacks_set_on_header_callback.rst \
+	nghttp2_session_callbacks_set_on_header_callback2.rst \
 	nghttp2_session_callbacks_set_on_invalid_frame_recv_callback.rst \
+	nghttp2_session_callbacks_set_on_invalid_header_callback.rst \
+	nghttp2_session_callbacks_set_on_invalid_header_callback2.rst \
 	nghttp2_session_callbacks_set_on_stream_close_callback.rst \
+	nghttp2_session_callbacks_set_pack_extension_callback.rst \
 	nghttp2_session_callbacks_set_recv_callback.rst \
 	nghttp2_session_callbacks_set_select_padding_callback.rst \
 	nghttp2_session_callbacks_set_send_callback.rst \
 	nghttp2_session_callbacks_set_send_data_callback.rst \
+	nghttp2_session_callbacks_set_unpack_extension_callback.rst \
+	nghttp2_session_change_stream_priority.rst \
+	nghttp2_session_check_request_allowed.rst \
+	nghttp2_session_check_server_session.rst \
 	nghttp2_session_client_new.rst \
 	nghttp2_session_client_new2.rst \
 	nghttp2_session_client_new3.rst \
 	nghttp2_session_consume.rst \
 	nghttp2_session_consume_connection.rst \
 	nghttp2_session_consume_stream.rst \
+	nghttp2_session_create_idle_stream.rst \
 	nghttp2_session_del.rst \
+	nghttp2_session_find_stream.rst \
 	nghttp2_session_get_effective_local_window_size.rst \
 	nghttp2_session_get_effective_recv_data_length.rst \
+	nghttp2_session_get_hd_deflate_dynamic_table_size.rst \
+	nghttp2_session_get_hd_inflate_dynamic_table_size.rst \
 	nghttp2_session_get_last_proc_stream_id.rst \
+	nghttp2_session_get_local_settings.rst \
+	nghttp2_session_get_local_window_size.rst \
 	nghttp2_session_get_next_stream_id.rst \
 	nghttp2_session_get_outbound_queue_size.rst \
 	nghttp2_session_get_remote_settings.rst \
 	nghttp2_session_get_remote_window_size.rst \
+	nghttp2_session_get_root_stream.rst \
 	nghttp2_session_get_stream_effective_local_window_size.rst \
 	nghttp2_session_get_stream_effective_recv_data_length.rst \
 	nghttp2_session_get_stream_local_close.rst \
+	nghttp2_session_get_stream_local_window_size.rst \
 	nghttp2_session_get_stream_remote_close.rst \
 	nghttp2_session_get_stream_remote_window_size.rst \
 	nghttp2_session_get_stream_user_data.rst \
@@ -100,15 +137,26 @@ APIDOCS= \
 	nghttp2_session_server_new.rst \
 	nghttp2_session_server_new2.rst \
 	nghttp2_session_server_new3.rst \
+	nghttp2_session_set_local_window_size.rst \
 	nghttp2_session_set_next_stream_id.rst \
 	nghttp2_session_set_stream_user_data.rst \
 	nghttp2_session_terminate_session.rst \
 	nghttp2_session_terminate_session2.rst \
 	nghttp2_session_upgrade.rst \
+	nghttp2_session_upgrade2.rst \
 	nghttp2_session_want_read.rst \
 	nghttp2_session_want_write.rst \
+	nghttp2_stream_get_first_child.rst \
+	nghttp2_stream_get_next_sibling.rst \
+	nghttp2_stream_get_parent.rst \
+	nghttp2_stream_get_previous_sibling.rst \
+	nghttp2_stream_get_state.rst \
+	nghttp2_stream_get_sum_dependency_weight.rst \
+	nghttp2_stream_get_weight.rst \
 	nghttp2_strerror.rst \
+	nghttp2_submit_altsvc.rst \
 	nghttp2_submit_data.rst \
+	nghttp2_submit_extension.rst \
 	nghttp2_submit_goaway.rst \
 	nghttp2_submit_headers.rst \
 	nghttp2_submit_ping.rst \
@@ -123,15 +171,19 @@ APIDOCS= \
 	nghttp2_submit_window_update.rst \
 	nghttp2_version.rst
 
-EXTRA_DIST = \
-	mkapiref.py \
+RST_FILES = \
 	README.rst \
 	programmers-guide.rst \
-	$(APIDOCS) \
 	nghttp.1.rst \
 	nghttpd.1.rst \
 	nghttpx.1.rst \
-	h2load.1.rst \
+	h2load.1.rst
+
+EXTRA_DIST = \
+	CMakeLists.txt \
+	mkapiref.py \
+	$(RST_FILES) \
+	$(APIDOCS) \
 	sources/index.rst \
 	sources/tutorial-client.rst \
 	sources/tutorial-server.rst \
@@ -142,6 +194,9 @@ EXTRA_DIST = \
 	sources/python-apiref.rst \
 	sources/building-android-binary.rst \
 	sources/contribute.rst \
+	_exts/sphinxcontrib/LICENSE.rubydomain \
+	_exts/sphinxcontrib/__init__.py \
+	_exts/sphinxcontrib/rubydomain.py \
 	_themes/sphinx_rtd_theme/__init__.py \
 	_themes/sphinx_rtd_theme/breadcrumbs.html \
 	_themes/sphinx_rtd_theme/footer.html \
@@ -200,30 +255,19 @@ help:
 	@echo "  linkcheck  to check all external links for integrity"
 	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
 
-apiref.rst macros.rst enums.rst types.rst: \
+apiref.rst: \
 	$(top_builddir)/lib/includes/nghttp2/nghttp2ver.h \
-	$(top_builddir)/lib/includes/nghttp2/nghttp2.h
+	$(top_srcdir)/lib/includes/nghttp2/nghttp2.h
+	for i in $(RST_FILES); do [ -e $(builddir)/$$i ] || cp $(srcdir)/$$i $(builddir); done
 	$(PYTHON) $(top_srcdir)/doc/mkapiref.py \
-	$@ macros.rst enums.rst types.rst . $^
+	apiref.rst macros.rst enums.rst types.rst . $^
 
-# Inspired by
-# http://www.gnu.org/savannah-checkouts/gnu/automake/manual/html_node/Multiple-Outputs.html
-apidoc.stamp: $(top_builddir)/lib/includes/nghttp2/nghttp2ver.h \
-	$(top_builddir)/lib/includes/nghttp2/nghttp2.h
-	@rm -f apidoc.tmp
-	@touch apidoc.tmp
-	$(PYTHON) $(top_srcdir)/doc/mkapiref.py \
-	$@ macros.rst enums.rst types.rst . $^
-	@mv -f apidoc.tmp $@
-$(APIDOC): apidoc.stamp
-## Recover from the removal of $@
-	@if test -f $@; then :; else \
-	  rm -f apidoc.stamp; \
-	  $(MAKE) $(AM_MAKEFLAGS) apidoc.stamp; \
-	fi
+$(APIDOCS): apiref.rst
 
 clean-local:
-	-rm $(APIDOCS)
+	[ $(srcdir) = $(builddir) ] || for i in $(RST_FILES); do [ -e $(builddir)/$$i ] && rm $(builddir)/$$i; done
+	-rm -f apiref.rst
+	-rm -f $(APIDOCS)
 	-rm -rf $(BUILDDIR)/*
 
 html-local: apiref.rst

doc/README.rst

@@ -22,7 +22,7 @@ starts with ``/**``. In other words, it only processes the comment
 block starting ``/**``. The comment block must end with ``*/``. The
 ``mkapiref.py`` requires that which type of the object this comment
 block refers to.  To specify the type of the object, the next line
-must contain the so-caled action keyword.  Currently, the following
+must contain the so-called action keyword.  Currently, the following
 action keywords are supported: ``@function``, ``@functypedef``,
 ``@enum``, ``@struct`` and ``@union``. The following sections
 describes each action keyword.

doc/_exts/sphinxcontrib/LICENSE.rubydomain

@@ -0,0 +1,28 @@
+If not otherwise noted, the extensions in this package are licensed
+under the following license.
+
+Copyright (c) 2010 by the contributors (see AUTHORS file).
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

doc/_exts/sphinxcontrib/__init__.py

@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+"""
+    sphinxcontrib
+    ~~~~~~~~~~~~~
+
+    This package is a namespace package that contains all extensions
+    distributed in the ``sphinx-contrib`` distribution.
+
+    :copyright: Copyright 2007-2009 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+__import__('pkg_resources').declare_namespace(__name__)
+

doc/_exts/sphinxcontrib/rubydomain.py

@@ -0,0 +1,704 @@
+# -*- coding: utf-8 -*-
+"""
+    sphinx.domains.ruby
+    ~~~~~~~~~~~~~~~~~~~
+
+    The Ruby domain.
+
+    :copyright: Copyright 2010 by SHIBUKAWA Yoshiki
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from docutils import nodes
+from docutils.parsers.rst import directives
+
+from sphinx import addnodes
+from sphinx import version_info
+from sphinx.roles import XRefRole
+from sphinx.locale import l_, _
+from sphinx.domains import Domain, ObjType, Index
+from sphinx.directives import ObjectDescription
+from sphinx.util.nodes import make_refnode
+from sphinx.util.compat import Directive
+from sphinx.util.docfields import Field, GroupedField, TypedField
+
+
+# REs for Ruby signatures
+rb_sig_re = re.compile(
+    r'''^ ([\w.]*\.)?            # class name(s)
+          (\$?\w+\??!?)  \s*     # thing name
+          (?: \((.*)\)           # optional: arguments
+           (?:\s* -> \s* (.*))?  #           return annotation
+          )? $                   # and nothing more
+          ''', re.VERBOSE)
+
+rb_paramlist_re = re.compile(r'([\[\],])')  # split at '[', ']' and ','
+
+separators = {
+  'method':'#', 'attr_reader':'#', 'attr_writer':'#', 'attr_accessor':'#',
+  'function':'.', 'classmethod':'.', 'class':'::', 'module':'::',
+  'global':'', 'const':'::'}
+
+rb_separator = re.compile(r"(?:\w+)?(?:::)?(?:\.)?(?:#)?")
+
+
+def _iteritems(d):
+
+    for k in d:
+        yield k, d[k]
+
+
+def ruby_rsplit(fullname):
+    items = [item for item in rb_separator.findall(fullname)]
+    return ''.join(items[:-2]), items[-1]
+
+
+class RubyObject(ObjectDescription):
+    """
+    Description of a general Ruby object.
+    """
+    option_spec = {
+        'noindex': directives.flag,
+        'module': directives.unchanged,
+    }
+
+    doc_field_types = [
+        TypedField('parameter', label=l_('Parameters'),
+                   names=('param', 'parameter', 'arg', 'argument'),
+                   typerolename='obj', typenames=('paramtype', 'type')),
+        TypedField('variable', label=l_('Variables'), rolename='obj',
+                   names=('var', 'ivar', 'cvar'),
+                   typerolename='obj', typenames=('vartype',)),
+        GroupedField('exceptions', label=l_('Raises'), rolename='exc',
+                     names=('raises', 'raise', 'exception', 'except'),
+                     can_collapse=True),
+        Field('returnvalue', label=l_('Returns'), has_arg=False,
+              names=('returns', 'return')),
+        Field('returntype', label=l_('Return type'), has_arg=False,
+              names=('rtype',)),
+    ]
+
+    def get_signature_prefix(self, sig):
+        """
+        May return a prefix to put before the object name in the signature.
+        """
+        return ''
+
+    def needs_arglist(self):
+        """
+        May return true if an empty argument list is to be generated even if
+        the document contains none.
+        """
+        return False
+
+    def handle_signature(self, sig, signode):
+        """
+        Transform a Ruby signature into RST nodes.
+        Returns (fully qualified name of the thing, classname if any).
+
+        If inside a class, the current class name is handled intelligently:
+        * it is stripped from the displayed name if present
+        * it is added to the full name (return value) if not present
+        """
+        m = rb_sig_re.match(sig)
+        if m is None:
+            raise ValueError
+        name_prefix, name, arglist, retann = m.groups()
+        if not name_prefix:
+            name_prefix = ""
+        # determine module and class name (if applicable), as well as full name
+        modname = self.options.get(
+            'module', self.env.temp_data.get('rb:module'))
+        classname = self.env.temp_data.get('rb:class')
+        if self.objtype == 'global':
+            add_module = False
+            modname = None
+            classname = None
+            fullname = name
+        elif classname:
+            add_module = False
+            if name_prefix and name_prefix.startswith(classname):
+                fullname = name_prefix + name
+                # class name is given again in the signature
+                name_prefix = name_prefix[len(classname):].lstrip('.')
+            else:
+                separator = separators[self.objtype]
+                fullname = classname + separator + name_prefix + name
+        else:
+            add_module = True
+            if name_prefix:
+                classname = name_prefix.rstrip('.')
+                fullname = name_prefix + name
+            else:
+                classname = ''
+                fullname = name
+
+        signode['module'] = modname
+        signode['class'] = self.class_name = classname
+        signode['fullname'] = fullname
+
+        sig_prefix = self.get_signature_prefix(sig)
+        if sig_prefix:
+            signode += addnodes.desc_annotation(sig_prefix, sig_prefix)
+
+        if name_prefix:
+            signode += addnodes.desc_addname(name_prefix, name_prefix)
+        # exceptions are a special case, since they are documented in the
+        # 'exceptions' module.
+        elif add_module and self.env.config.add_module_names:
+            if self.objtype == 'global':
+                nodetext = ''
+                signode += addnodes.desc_addname(nodetext, nodetext)
+            else:
+                modname = self.options.get(
+                    'module', self.env.temp_data.get('rb:module'))
+                if modname and modname != 'exceptions':
+                    nodetext = modname + separators[self.objtype]
+                    signode += addnodes.desc_addname(nodetext, nodetext)
+
+        signode += addnodes.desc_name(name, name)
+        if not arglist:
+            if self.needs_arglist():
+                # for callables, add an empty parameter list
+                signode += addnodes.desc_parameterlist()
+            if retann:
+                signode += addnodes.desc_returns(retann, retann)
+            return fullname, name_prefix
+        signode += addnodes.desc_parameterlist()
+
+        stack = [signode[-1]]
+        for token in rb_paramlist_re.split(arglist):
+            if token == '[':
+                opt = addnodes.desc_optional()
+                stack[-1] += opt
+                stack.append(opt)
+            elif token == ']':
+                try:
+                    stack.pop()
+                except IndexError:
+                    raise ValueError
+            elif not token or token == ',' or token.isspace():
+                pass
+            else:
+                token = token.strip()
+                stack[-1] += addnodes.desc_parameter(token, token)
+        if len(stack) != 1:
+            raise ValueError
+        if retann:
+            signode += addnodes.desc_returns(retann, retann)
+        return fullname, name_prefix
+
+    def get_index_text(self, modname, name):
+        """
+        Return the text for the index entry of the object.
+        """
+        raise NotImplementedError('must be implemented in subclasses')
+
+    def _is_class_member(self):
+        return self.objtype.endswith('method') or self.objtype.startswith('attr')
+
+    def add_target_and_index(self, name_cls, sig, signode):
+        if self.objtype == 'global':
+            modname = ''
+        else:
+            modname = self.options.get(
+                'module', self.env.temp_data.get('rb:module'))
+        separator = separators[self.objtype]
+        if self._is_class_member():
+            if signode['class']:
+                prefix = modname and modname + '::' or ''
+            else:
+                prefix = modname and modname + separator or ''
+        else:
+            prefix = modname and modname + separator or ''
+        fullname = prefix + name_cls[0]
+        # note target
+        if fullname not in self.state.document.ids:
+            signode['names'].append(fullname)
+            signode['ids'].append(fullname)
+            signode['first'] = (not self.names)
+            self.state.document.note_explicit_target(signode)
+            objects = self.env.domaindata['rb']['objects']
+            if fullname in objects:
+                self.env.warn(
+                    self.env.docname,
+                    'duplicate object description of %s, ' % fullname +
+                    'other instance in ' +
+                    self.env.doc2path(objects[fullname][0]),
+                    self.lineno)
+            objects[fullname] = (self.env.docname, self.objtype)
+
+        indextext = self.get_index_text(modname, name_cls)
+        if indextext:
+            self.indexnode['entries'].append(
+                _make_index('single', indextext, fullname, fullname))
+
+    def before_content(self):
+        # needed for automatic qualification of members (reset in subclasses)
+        self.clsname_set = False
+
+    def after_content(self):
+        if self.clsname_set:
+            self.env.temp_data['rb:class'] = None
+
+
+class RubyModulelevel(RubyObject):
+    """
+    Description of an object on module level (functions, data).
+    """
+
+    def needs_arglist(self):
+        return self.objtype == 'function'
+
+    def get_index_text(self, modname, name_cls):
+        if self.objtype == 'function':
+            if not modname:
+                return _('%s() (global function)') % name_cls[0]
+            return _('%s() (module function in %s)') % (name_cls[0], modname)
+        else:
+            return ''
+
+
+class RubyGloballevel(RubyObject):
+    """
+    Description of an object on module level (functions, data).
+    """
+
+    def get_index_text(self, modname, name_cls):
+        if self.objtype == 'global':
+            return _('%s (global variable)') % name_cls[0]
+        else:
+            return ''
+
+
+class RubyEverywhere(RubyObject):
+    """
+    Description of a class member (methods, attributes).
+    """
+
+    def needs_arglist(self):
+        return self.objtype == 'method'
+
+    def get_index_text(self, modname, name_cls):
+        name, cls = name_cls
+        add_modules = self.env.config.add_module_names
+        if self.objtype == 'method':
+            try:
+                clsname, methname = ruby_rsplit(name)
+            except ValueError:
+                if modname:
+                    return _('%s() (in module %s)') % (name, modname)
+                else:
+                    return '%s()' % name
+            if modname and add_modules:
+                return _('%s() (%s::%s method)') % (methname, modname,
+                                                          clsname)
+            else:
+                return _('%s() (%s method)') % (methname, clsname)
+        else:
+            return ''
+
+
+class RubyClasslike(RubyObject):
+    """
+    Description of a class-like object (classes, exceptions).
+    """
+
+    def get_signature_prefix(self, sig):
+        return self.objtype + ' '
+
+    def get_index_text(self, modname, name_cls):
+        if self.objtype == 'class':
+            if not modname:
+                return _('%s (class)') % name_cls[0]
+            return _('%s (class in %s)') % (name_cls[0], modname)
+        elif self.objtype == 'exception':
+            return name_cls[0]
+        else:
+            return ''
+
+    def before_content(self):
+        RubyObject.before_content(self)
+        if self.names:
+            self.env.temp_data['rb:class'] = self.names[0][0]
+            self.clsname_set = True
+
+
+class RubyClassmember(RubyObject):
+    """
+    Description of a class member (methods, attributes).
+    """
+
+    def needs_arglist(self):
+        return self.objtype.endswith('method')
+
+    def get_signature_prefix(self, sig):
+        if self.objtype == 'classmethod':
+            return "classmethod %s." % self.class_name
+        elif self.objtype == 'attr_reader':
+            return "attribute [R] "
+        elif self.objtype == 'attr_writer':
+            return "attribute [W] "
+        elif self.objtype == 'attr_accessor':
+            return "attribute [R/W] "
+        return ''
+
+    def get_index_text(self, modname, name_cls):
+        name, cls = name_cls
+        add_modules = self.env.config.add_module_names
+        if self.objtype == 'classmethod':
+            try:
+                clsname, methname = ruby_rsplit(name)
+            except ValueError:
+                return '%s()' % name
+            if modname:
+                return _('%s() (%s.%s class method)') % (methname, modname,
+                                                         clsname)
+            else:
+                return _('%s() (%s class method)') % (methname, clsname)
+        elif self.objtype.startswith('attr'):
+            try:
+                clsname, attrname = ruby_rsplit(name)
+            except ValueError:
+                return name
+            if modname and add_modules:
+                return _('%s (%s.%s attribute)') % (attrname, modname, clsname)
+            else:
+                return _('%s (%s attribute)') % (attrname, clsname)
+        else:
+            return ''
+
+    def before_content(self):
+        RubyObject.before_content(self)
+        lastname = self.names and self.names[-1][1]
+        if lastname and not self.env.temp_data.get('rb:class'):
+            self.env.temp_data['rb:class'] = lastname.strip('.')
+            self.clsname_set = True
+
+
+class RubyModule(Directive):
+    """
+    Directive to mark description of a new module.
+    """
+
+    has_content = False
+    required_arguments = 1
+    optional_arguments = 0
+    final_argument_whitespace = False
+    option_spec = {
+        'platform': lambda x: x,
+        'synopsis': lambda x: x,
+        'noindex': directives.flag,
+        'deprecated': directives.flag,
+    }
+
+    def run(self):
+        env = self.state.document.settings.env
+        modname = self.arguments[0].strip()
+        noindex = 'noindex' in self.options
+        env.temp_data['rb:module'] = modname
+        env.domaindata['rb']['modules'][modname] = \
+            (env.docname, self.options.get('synopsis', ''),
+             self.options.get('platform', ''), 'deprecated' in self.options)
+        targetnode = nodes.target('', '', ids=['module-' + modname], ismod=True)
+        self.state.document.note_explicit_target(targetnode)
+        ret = [targetnode]
+        # XXX this behavior of the module directive is a mess...
+        if 'platform' in self.options:
+            platform = self.options['platform']
+            node = nodes.paragraph()
+            node += nodes.emphasis('', _('Platforms: '))
+            node += nodes.Text(platform, platform)
+            ret.append(node)
+        # the synopsis isn't printed; in fact, it is only used in the
+        # modindex currently
+        if not noindex:
+            indextext = _('%s (module)') % modname
+            inode = addnodes.index(entries=[_make_index(
+                'single', indextext, 'module-' + modname, modname)])
+            ret.append(inode)
+        return ret
+
+def _make_index(entrytype, entryname, target, ignored, key=None):
+    # Sphinx 1.4 introduced backward incompatible changes, it now
+    # requires 5 tuples.  Last one is categorization key.  See
+    # http://www.sphinx-doc.org/en/stable/extdev/nodes.html#sphinx.addnodes.index
+    if version_info >= (1, 4, 0, '', 0):
+        return (entrytype, entryname, target, ignored, key)
+    else:
+        return (entrytype, entryname, target, ignored)
+
+class RubyCurrentModule(Directive):
+    """
+    This directive is just to tell Sphinx that we're documenting
+    stuff in module foo, but links to module foo won't lead here.
+    """
+
+    has_content = False
+    required_arguments = 1
+    optional_arguments = 0
+    final_argument_whitespace = False
+    option_spec = {}
+
+    def run(self):
+        env = self.state.document.settings.env
+        modname = self.arguments[0].strip()
+        if modname == 'None':
+            env.temp_data['rb:module'] = None
+        else:
+            env.temp_data['rb:module'] = modname
+        return []
+
+
+class RubyXRefRole(XRefRole):
+    def process_link(self, env, refnode, has_explicit_title, title, target):
+        if not has_explicit_title:
+            title = title.lstrip('.')   # only has a meaning for the target
+            title = title.lstrip('#')
+            if title.startswith("::"):
+                title = title[2:]
+            target = target.lstrip('~') # only has a meaning for the title
+            # if the first character is a tilde, don't display the module/class
+            # parts of the contents
+            if title[0:1] == '~':
+                m = re.search(r"(?:\.)?(?:#)?(?:::)?(.*)\Z", title)
+                if m:
+                    title = m.group(1)
+        if not title.startswith("$"):
+            refnode['rb:module'] = env.temp_data.get('rb:module')
+            refnode['rb:class'] = env.temp_data.get('rb:class')
+        # if the first character is a dot, search more specific namespaces first
+        # else search builtins first
+        if target[0:1] == '.':
+            target = target[1:]
+            refnode['refspecific'] = True
+        return title, target
+
+
+class RubyModuleIndex(Index):
+    """
+    Index subclass to provide the Ruby module index.
+    """
+
+    name = 'modindex'
+    localname = l_('Ruby Module Index')
+    shortname = l_('modules')
+
+    def generate(self, docnames=None):
+        content = {}
+        # list of prefixes to ignore
+        ignores = self.domain.env.config['modindex_common_prefix']
+        ignores = sorted(ignores, key=len, reverse=True)
+        # list of all modules, sorted by module name
+        modules = sorted(_iteritems(self.domain.data['modules']),
+                         key=lambda x: x[0].lower())
+        # sort out collapsable modules
+        prev_modname = ''
+        num_toplevels = 0
+        for modname, (docname, synopsis, platforms, deprecated) in modules:
+            if docnames and docname not in docnames:
+                continue
+
+            for ignore in ignores:
+                if modname.startswith(ignore):
+                    modname = modname[len(ignore):]
+                    stripped = ignore
+                    break
+            else:
+                stripped = ''
+
+            # we stripped the whole module name?
+            if not modname:
+                modname, stripped = stripped, ''
+
+            entries = content.setdefault(modname[0].lower(), [])
+
+            package = modname.split('::')[0]
+            if package != modname:
+                # it's a submodule
+                if prev_modname == package:
+                    # first submodule - make parent a group head
+                    entries[-1][1] = 1
+                elif not prev_modname.startswith(package):
+                    # submodule without parent in list, add dummy entry
+                    entries.append([stripped + package, 1, '', '', '', '', ''])
+                subtype = 2
+            else:
+                num_toplevels += 1
+                subtype = 0
+
+            qualifier = deprecated and _('Deprecated') or ''
+            entries.append([stripped + modname, subtype, docname,
+                            'module-' + stripped + modname, platforms,
+                            qualifier, synopsis])
+            prev_modname = modname
+
+        # apply heuristics when to collapse modindex at page load:
+        # only collapse if number of toplevel modules is larger than
+        # number of submodules
+        collapse = len(modules) - num_toplevels < num_toplevels
+
+        # sort by first letter
+        content = sorted(_iteritems(content))
+
+        return content, collapse
+
+
+class RubyDomain(Domain):
+    """Ruby language domain."""
+    name = 'rb'
+    label = 'Ruby'
+    object_types = {
+        'function':        ObjType(l_('function'),         'func', 'obj'),
+        'global':          ObjType(l_('global variable'),  'global', 'obj'),
+        'method':          ObjType(l_('method'),           'meth', 'obj'),
+        'class':           ObjType(l_('class'),            'class', 'obj'),
+        'exception':       ObjType(l_('exception'),        'exc', 'obj'),
+        'classmethod':     ObjType(l_('class method'),     'meth', 'obj'),
+        'attr_reader':     ObjType(l_('attribute'),        'attr', 'obj'),
+        'attr_writer':     ObjType(l_('attribute'),        'attr', 'obj'),
+        'attr_accessor':   ObjType(l_('attribute'),        'attr', 'obj'),
+        'const':           ObjType(l_('const'),            'const', 'obj'),
+        'module':          ObjType(l_('module'),           'mod', 'obj'),
+    }
+
+    directives = {
+        'function':        RubyModulelevel,
+        'global':          RubyGloballevel,
+        'method':          RubyEverywhere,
+        'const':           RubyEverywhere,
+        'class':           RubyClasslike,
+        'exception':       RubyClasslike,
+        'classmethod':     RubyClassmember,
+        'attr_reader':     RubyClassmember,
+        'attr_writer':     RubyClassmember,
+        'attr_accessor':   RubyClassmember,
+        'module':          RubyModule,
+        'currentmodule':   RubyCurrentModule,
+    }
+
+    roles = {
+        'func':  RubyXRefRole(fix_parens=False),
+        'global':RubyXRefRole(),
+        'class': RubyXRefRole(),
+        'exc':   RubyXRefRole(),
+        'meth':  RubyXRefRole(fix_parens=False),
+        'attr':  RubyXRefRole(),
+        'const': RubyXRefRole(),
+        'mod':   RubyXRefRole(),
+        'obj':   RubyXRefRole(),
+    }
+    initial_data = {
+        'objects': {},  # fullname -> docname, objtype
+        'modules': {},  # modname -> docname, synopsis, platform, deprecated
+    }
+    indices = [
+        RubyModuleIndex,
+    ]
+
+    def clear_doc(self, docname):
+        for fullname, (fn, _) in list(self.data['objects'].items()):
+            if fn == docname:
+                del self.data['objects'][fullname]
+        for modname, (fn, _, _, _) in list(self.data['modules'].items()):
+            if fn == docname:
+                del self.data['modules'][modname]
+
+    def find_obj(self, env, modname, classname, name, type, searchorder=0):
+        """
+        Find a Ruby object for "name", perhaps using the given module and/or
+        classname.
+        """
+        # skip parens
+        if name[-2:] == '()':
+            name = name[:-2]
+
+        if not name:
+            return None, None
+
+        objects = self.data['objects']
+
+        newname = None
+        if searchorder == 1:
+            if modname and classname and \
+                     modname + '::' + classname + '#' + name in objects:
+                newname = modname + '::' + classname + '#' + name
+            elif modname and classname and \
+                     modname + '::' + classname + '.' + name in objects:
+                newname = modname + '::' + classname + '.' + name
+            elif modname and modname + '::' + name in objects:
+                newname = modname + '::' + name
+            elif modname and modname + '#' + name in objects:
+                newname = modname + '#' + name
+            elif modname and modname + '.' + name in objects:
+                newname = modname + '.' + name
+            elif classname and classname + '.' + name in objects:
+                newname = classname + '.' + name
+            elif classname and classname + '#' + name in objects:
+                newname = classname + '#' + name
+            elif name in objects:
+                newname = name
+        else:
+            if name in objects:
+                newname = name
+            elif classname and classname + '.' + name in objects:
+                newname = classname + '.' + name
+            elif classname and classname + '#' + name in objects:
+                newname = classname + '#' + name
+            elif modname and modname + '::' + name in objects:
+                newname = modname + '::' + name
+            elif modname and modname + '#' + name in objects:
+                newname = modname + '#' + name
+            elif modname and modname + '.' + name in objects:
+                newname = modname + '.' + name
+            elif modname and classname and \
+                     modname + '::' + classname + '#' + name in objects:
+                newname = modname + '::' + classname + '#' + name
+            elif modname and classname and \
+                     modname + '::' + classname + '.' + name in objects:
+                newname = modname + '::' + classname + '.' + name
+            # special case: object methods
+            elif type in ('func', 'meth') and '.' not in name and \
+                 'object.' + name in objects:
+                newname = 'object.' + name
+        if newname is None:
+            return None, None
+        return newname, objects[newname]
+
+    def resolve_xref(self, env, fromdocname, builder,
+                     typ, target, node, contnode):
+        if (typ == 'mod' or
+            typ == 'obj' and target in self.data['modules']):
+            docname, synopsis, platform, deprecated = \
+                self.data['modules'].get(target, ('','','', ''))
+            if not docname:
+                return None
+            else:
+                title = '%s%s%s' % ((platform and '(%s) ' % platform),
+                                    synopsis,
+                                    (deprecated and ' (deprecated)' or ''))
+                return make_refnode(builder, fromdocname, docname,
+                                    'module-' + target, contnode, title)
+        else:
+            modname = node.get('rb:module')
+            clsname = node.get('rb:class')
+            searchorder = node.hasattr('refspecific') and 1 or 0
+            name, obj = self.find_obj(env, modname, clsname,
+                                      target, typ, searchorder)
+            if not obj:
+                return None
+            else:
+                return make_refnode(builder, fromdocname, obj[0], name,
+                                    contnode, name)
+
+    def get_objects(self):
+        for modname, info in _iteritems(self.data['modules']):
+            yield (modname, modname, 'module', info[0], 'module-' + modname, 0)
+        for refname, (docname, type) in _iteritems(self.data['objects']):
+            yield (refname, refname, type, docname, refname, 1)
+
+
+def setup(app):
+    app.add_domain(RubyDomain)

doc/_themes/sphinx_rtd_theme/__init__.py

@@ -5,7 +5,7 @@ From https://github.com/ryan-roemer/sphinx-bootstrap-theme.
 """
 import os
 
-VERSION = (0, 1, 8)
+VERSION = (0, 1, 9)
 
 __version__ = ".".join(str(v) for v in VERSION)
 __version_full__ = __version__

doc/_themes/sphinx_rtd_theme/breadcrumbs.html

@@ -1,23 +1,31 @@
+{# Support for Sphinx 1.3+ page_source_suffix, but don't break old builds. #}
+
+{% if page_source_suffix %} 
+{% set suffix = page_source_suffix %}
+{% else %}
+{% set suffix = source_suffix %}
+{% endif %}
+
 <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>
+        <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
       {% endfor %}
     <li>{{ title }}</li>
-      <li class="wy-breadcrumbs-aside">
-        {% if pagename != "search" %}
-          {% if display_github %}
-            <a href="https://{{ github_host|default("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 source_url_prefix %}
-            <a href="{{ source_url_prefix }}{{ pagename }}{{ source_suffix }}">View page source</a>
-          {% elif show_source and has_source and sourcename %}
-            <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
-          {% endif %}
+    <li class="wy-breadcrumbs-aside">
+      {% if pagename != "search" %}
+        {% if display_github %}
+          <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ 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 }}{{ suffix }}" class="fa fa-bitbucket"> Edit on Bitbucket</a>
+        {% elif show_source and source_url_prefix %}
+          <a href="{{ source_url_prefix }}{{ pagename }}{{ suffix }}">View page source</a>
+        {% elif show_source and has_source and sourcename %}
+          <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
         {% endif %}
-      </li>
+      {% endif %}
+    </li>
   </ul>
   <hr/>
 </div>

doc/_themes/sphinx_rtd_theme/footer.html

@@ -22,9 +22,23 @@
       {%- endif %}
     {%- endif %}
 
-    {%- if last_updated %}
+    {%- if build_id and build_url %}
+      {% trans build_url=build_url, build_id=build_id %}
+        <span class="build">
+          Build
+          <a href="{{ build_url }}">{{ build_id }}</a>.
+        </span>
+      {% endtrans %}
+    {%- elif commit %}
+      {% trans commit=commit %}
+        <span class="commit">
+          Revision <code>{{ commit }}</code>.
+        </span>
+      {% endtrans %}
+    {%- elif last_updated %}
       {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
     {%- endif %}
+
     </p>
   </div>
 
@@ -32,5 +46,7 @@
   {% trans %}Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>{% endtrans %}.
   {%- endif %}
 
+  {%- block extrafooter %} {% endblock %}
+
 </footer>
 

doc/_themes/sphinx_rtd_theme/layout.html

@@ -75,48 +75,62 @@
   {%- block extrahead %} {% endblock %}
 
   {# Keep modernizr in head - http://modernizr.com/docs/#installing #}
-  <script src="_static/js/modernizr.min.js"></script>
+  <script src="{{ pathto('_static/js/modernizr.min.js', 1) }}"></script>
 
 </head>
 
 <body class="wy-body-for-nav" role="document">
 
+  {% block extrabody %} {% endblock %}
   <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 %}
+      <div class="wy-side-scroll">
+        <div class="wy-side-nav-search">
+          {% block sidebartitle %}
 
-        {% if logo and theme_logo_only %}
-          <a href="{{ pathto(master_doc) }}">
-        {% else %}
-          <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}
-        {% endif %}
-
-        {% if logo %}
-          {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
-          <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
-        {% endif %}
-        </a>
-
-        {% include "searchbox.html" %}
-
-        {% endblock %}
-      </div>
-
-      <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-        {% block menu %}
-          {% set toctree = toctree(maxdepth=4, collapse=False, includehidden=True) %}
-          {% if toctree %}
-              {{ toctree }}
+          {% if logo and theme_logo_only %}
+            <a href="{{ pathto(master_doc) }}">
           {% else %}
-              <!-- Local TOC -->
-              <div class="local-toc">{{ toc }}</div>
+            <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}
           {% endif %}
-        {% endblock %}
+
+          {% if logo %}
+            {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
+            <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
+          {% endif %}
+          </a>
+
+          {% if theme_display_version %}
+            {%- set nav_version = version %}
+            {% if READTHEDOCS and current_version %}
+              {%- set nav_version = current_version %}
+            {% endif %}
+            {% if nav_version %}
+              <div class="version">
+                {{ nav_version }}
+              </div>
+            {% endif %}
+          {% endif %}
+
+          {% include "searchbox.html" %}
+
+          {% endblock %}
+        </div>
+
+        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
+          {% block menu %}
+            {% set toctree = toctree(maxdepth=4, collapse=theme_collapse_navigation, includehidden=True) %}
+            {% if toctree %}
+                {{ toctree }}
+            {% else %}
+                <!-- Local TOC -->
+                <div class="local-toc">{{ toc }}</div>
+            {% endif %}
+          {% endblock %}
+        </div>
       </div>
-      &nbsp;
     </nav>
 
     <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
@@ -132,8 +146,10 @@
       <div class="wy-nav-content">
         <div class="rst-content">
           {% include "breadcrumbs.html" %}
-          <div role="main" class="document">
+          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
+           <div itemprop="articleBody">
             {% block body %}{% endblock %}
+           </div>
           </div>
           {% include "footer.html" %}
         </div>

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

@@ -1,6 +1,6 @@
 {
 "version": 3,
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doc/_themes/sphinx_rtd_theme/static/js/theme.js

@@ -1,113 +1,156 @@
-function toggleCurrent (elem) {
-    var parent_li = elem.closest('li');
-    parent_li.siblings('li.current').removeClass('current');
-    parent_li.siblings().find('li.current').removeClass('current');
-    parent_li.find('> ul li.current').removeClass('current');
-    parent_li.toggleClass('current');
+require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"sphinx-rtd-theme":[function(require,module,exports){
+var jQuery = (typeof(window) != 'undefined') ? window.jQuery : require('jquery');
+
+// Sphinx theme nav state
+function ThemeNav () {
+
+    var nav = {
+        navBar: null,
+        win: null,
+        winScroll: false,
+        winResize: false,
+        linkScroll: false,
+        winPosition: 0,
+        winHeight: null,
+        docHeight: null,
+        isRunning: false
+    };
+
+    nav.enable = function () {
+        var self = this;
+
+        if (!self.isRunning) {
+            self.isRunning = true;
+            jQuery(function ($) {
+                self.init($);
+
+                self.reset();
+                self.win.on('hashchange', self.reset);
+
+                // Set scroll monitor
+                self.win.on('scroll', function () {
+                    if (!self.linkScroll) {
+                        self.winScroll = true;
+                    }
+                });
+                setInterval(function () { if (self.winScroll) self.onScroll(); }, 25);
+
+                // Set resize monitor
+                self.win.on('resize', function () {
+                    self.winResize = true;
+                });
+                setInterval(function () { if (self.winResize) self.onResize(); }, 25);
+                self.onResize();
+            });
+        };
+    };
+
+    nav.init = function ($) {
+        var doc = $(document),
+            self = this;
+
+        this.navBar = $('div.wy-side-scroll:first');
+        this.win = $(window);
+
+        // Set up javascript UX bits
+        $(document)
+            // Shift nav in mobile when clicking the menu.
+            .on('click', "[data-toggle='wy-nav-top']", function() {
+                $("[data-toggle='wy-nav-shift']").toggleClass("shift");
+                $("[data-toggle='rst-versions']").toggleClass("shift");
+            })
+
+            // Nav menu link click operations
+            .on('click', ".wy-menu-vertical .current ul li a", function() {
+                var target = $(this);
+                // Close menu when you click a link.
+                $("[data-toggle='wy-nav-shift']").removeClass("shift");
+                $("[data-toggle='rst-versions']").toggleClass("shift");
+                // Handle dynamic display of l3 and l4 nav lists
+                self.toggleCurrent(target);
+                self.hashChange();
+            })
+            .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>");
+
+        // Add expand links to all parents of nested ul
+        $('.wy-menu-vertical ul').not('.simple').siblings('a').each(function () {
+            var link = $(this);
+                expand = $('<span class="toctree-expand"></span>');
+            expand.on('click', function (ev) {
+                self.toggleCurrent(link);
+                ev.stopPropagation();
+                return false;
+            });
+            link.prepend(expand);
+        });
+    };
+
+    nav.reset = function () {
+        // Get anchor from URL and open up nested nav
+        var anchor = encodeURI(window.location.hash);
+        if (anchor) {
+            try {
+                var link = $('.wy-menu-vertical')
+                    .find('[href="' + anchor + '"]');
+                $('.wy-menu-vertical li.toctree-l1 li.current')
+                    .removeClass('current');
+                link.closest('li.toctree-l2').addClass('current');
+                link.closest('li.toctree-l3').addClass('current');
+                link.closest('li.toctree-l4').addClass('current');
+            }
+            catch (err) {
+                console.log("Error expanding nav for anchor", err);
+            }
+        }
+    };
+
+    nav.onScroll = function () {
+        this.winScroll = false;
+        var newWinPosition = this.win.scrollTop(),
+            winBottom = newWinPosition + this.winHeight,
+            navPosition = this.navBar.scrollTop(),
+            newNavPosition = navPosition + (newWinPosition - this.winPosition);
+        if (newWinPosition < 0 || winBottom > this.docHeight) {
+            return;
+        }
+        this.navBar.scrollTop(newNavPosition);
+        this.winPosition = newWinPosition;
+    };
+
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+        var parent_li = elem.closest('li');
+        parent_li.siblings('li.current').removeClass('current');
+        parent_li.siblings().find('li.current').removeClass('current');
+        parent_li.find('> ul li.current').removeClass('current');
+        parent_li.toggleClass('current');
+    }
+
+    return nav;
+};
+
+module.exports.ThemeNav = ThemeNav();
+
+if (typeof(window) != 'undefined') {
+    window.SphinxRtdTheme = { StickyNav: module.exports.ThemeNav };
 }
 
-$(document).ready(function() {
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-        // Close menu when you click a link.
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-        // Handle dynamic display of l3 and l4 nav lists
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-        if (typeof(window.SphinxRtdTheme) != 'undefined') {
-            window.SphinxRtdTheme.StickyNav.hashChange();
-        }
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-    $(document).on('click', "[data-toggle='rst-current-version']", function() {
-        $("[data-toggle='rst-versions']").toggleClass("shift-up");
-    });
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-    // Add expand links to all parents of nested ul
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-            ev.stopPropagation();
-            return false;
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-        link.prepend(expand);
-    });
-});
-
-// Sphinx theme state
-window.SphinxRtdTheme = (function (jquery) {
-    var stickyNav = (function () {
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-            win,
-            winScroll = false,
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-                    }
-                    catch (err) {
-                        console.log("Error expanding nav for anchor", err);
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-        jquery(init);
-        return {
-            enable: enable,
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-    return {
-        StickyNav: stickyNav
-    };
-}($));
+},{"jquery":"jquery"}]},{},["sphinx-rtd-theme"]);

doc/_themes/sphinx_rtd_theme/theme.conf

@@ -7,3 +7,5 @@ typekit_id = hiw1hhg
 analytics_id = 
 sticky_navigation = False
 logo_only =
+collapse_navigation = False
+display_version = True

doc/bash_completion/h2load

@@ -8,7 +8,7 @@ _h2load()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--threads --connection-window-bits --input-file --help --requests --data --verbose --ciphers --window-bits --clients --no-tls-proto --version --header --max-concurrent-streams ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--connection-window-bits --clients --verbose --ciphers --rate --no-tls-proto --requests --base-uri --h1 --threads --npn-list --rate-period --data --version --connection-inactivity-timeout --timing-script-file --max-concurrent-streams --connection-active-timeout --input-file --header --window-bits --help ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttp

@@ -8,7 +8,7 @@ _nghttp()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--no-push --verbose --no-dep --get-assets --har --header-table-size --multiply --padding --hexdump --max-concurrent-streams --continuation --connection-window-bits --peer-max-concurrent-streams --timeout --data --no-content-length --version --color --cert --upgrade --remote-name --trailer --weight --help --key --null-out --window-bits --stat --header ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--no-push --verbose --no-dep --get-assets --har --header-table-size --multiply --encoder-header-table-size --padding --hexdump --max-concurrent-streams --continuation --connection-window-bits --peer-max-concurrent-streams --timeout --data --no-content-length --version --color --cert --upgrade --remote-name --trailer --weight --help --key --null-out --window-bits --expect-continue --stat --header ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttpd

@@ -8,7 +8,7 @@ _nghttpd()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--error-gzip --push --header-table-size --trailer --htdocs --address --padding --verbose --version --help --hexdump --dh-param-file --daemon --verify-client --echo-upload --workers --no-tls --color --early-response --max-concurrent-streams ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--htdocs --verbose --daemon --echo-upload --error-gzip --push --header-table-size --encoder-header-table-size --padding --hexdump --max-concurrent-streams --no-tls --connection-window-bits --mime-types-file --no-content-length --workers --version --color --early-response --dh-param-file --trailer --address --window-bits --verify-client --help ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttpx

@@ -8,7 +8,7 @@ _nghttpx()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--worker-read-rate --frontend-no-tls --frontend-http2-dump-response-header --backend-http1-connections-per-frontend --tls-ticket-key-file --verify-client-cacert --include --backend-request-buffer --backend-http2-connection-window-bits --conf --worker-write-burst --npn-list --fetch-ocsp-response-file --stream-read-timeout --accesslog-syslog --frontend-http2-read-timeout --listener-disable-timeout --frontend-http2-connection-window-bits --ciphers --strip-incoming-x-forwarded-for --daemon --backend-keep-alive-timeout --backend-http-proxy-uri --backend-http1-connections-per-host --rlimit-nofile --no-via --ocsp-update-interval --backend-write-timeout --client --http2-no-cookie-crumbling --worker-read-burst --client-proxy --http2-bridge --accesslog-format --errorlog-syslog --errorlog-file --http2-max-concurrent-streams --frontend-write-timeout --read-burst --backend-ipv4 --backend-ipv6 --backend --insecure --log-level --tls-proto-list --backend-http2-connections-per-worker --dh-param-file --worker-frontend-connections --header-field-buffer --no-server-push --no-location-rewrite --no-ocsp --backend-response-buffer --workers --frontend-http2-window-bits --no-host-rewrite --worker-write-rate --add-request-header --backend-tls-sni-field --subcert --help --frontend-frame-debug --pid-file --frontend-http2-dump-request-header --private-key-passwd-file --write-rate --altsvc --user --add-x-forwarded-for --syslog-facility --frontend-read-timeout --backlog --write-burst --backend-http2-window-bits --padding --stream-write-timeout --cacert --version --verify-client --backend-read-timeout --frontend --accesslog-file --http2-proxy --max-header-fields --backend-no-tls --client-private-key-file --client-cert-file --add-response-header --read-rate ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--worker-read-rate --include --frontend-http2-dump-response-header --tls-ticket-key-file --verify-client-cacert --max-response-header-fields --backend-http2-window-size --backend-request-buffer --max-request-header-fields --fastopen --conf --backend-http2-max-concurrent-streams --worker-write-burst --npn-list --fetch-ocsp-response-file --no-via --tls-session-cache-memcached-cert-file --no-http2-cipher-black-list --mruby-file --stream-read-timeout --tls-ticket-key-memcached --forwarded-for --accesslog-syslog --frontend-http2-read-timeout --listener-disable-timeout --ciphers --strip-incoming-x-forwarded-for --no-server-rewrite --private-key-passwd-file --backend-keep-alive-timeout --backend-http-proxy-uri --rlimit-nofile --tls-ticket-key-memcached-cert-file --ocsp-update-interval --forwarded-by --tls-session-cache-memcached-private-key-file --error-page --backend-write-timeout --tls-dyn-rec-warmup-threshold --tls-ticket-key-memcached-max-retry --frontend-http2-window-size --http2-no-cookie-crumbling --worker-read-burst --dh-param-file --accesslog-format --errorlog-syslog --request-header-field-buffer --api-max-request-body --frontend-http2-decoder-dynamic-table-size --errorlog-file --frontend-http2-max-concurrent-streams --frontend-write-timeout --tls-ticket-key-cipher --read-burst --backend --server-name --insecure --backend-max-backoff --log-level --host-rewrite --tls-proto-list --tls-ticket-key-memcached-interval --frontend-http2-setting-timeout --frontend-http2-connection-window-size --worker-frontend-connections --syslog-facility --no-server-push --no-location-rewrite --tls-session-cache-memcached --no-ocsp --frontend-http2-encoder-dynamic-table-size --workers --add-forwarded --worker-write-rate --add-request-header --backend-http2-settings-timeout --subcert --no-kqueue --help --frontend-frame-debug --pid-file --frontend-http2-dump-request-header --daemon --write-rate --altsvc --backend-http2-decoder-dynamic-table-size --user --add-x-forwarded-for --frontend-read-timeout --tls-ticket-key-memcached-max-fail --backlog --write-burst --backend-connections-per-host --response-header-field-buffer --tls-ticket-key-memcached-address-family --padding --tls-session-cache-memcached-address-family --stream-write-timeout --cacert --tls-ticket-key-memcached-private-key-file --backend-address-family --backend-http2-connection-window-size --version --add-response-header --backend-read-timeout --frontend-http2-optimize-window-size --frontend --accesslog-file --http2-proxy --backend-http2-encoder-dynamic-table-size --client-private-key-file --client-cert-file --accept-proxy-protocol --tls-dyn-rec-idle-timeout --frontend-http2-optimize-write-buffer-size --verify-client --backend-response-buffer --read-rate --backend-connections-per-frontend --strip-incoming-forwarded ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/conf.py.in

@@ -41,6 +41,8 @@ import sys, os
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.insert(0, os.path.abspath('.'))
 
+sys.path.append(os.path.abspath('@top_srcdir@/doc/_exts'))
+
 # -- General configuration -----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -48,7 +50,7 @@ import sys, os
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = []
+extensions = ['sphinxcontrib.rubydomain']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['@top_srcdir@/_templates']
@@ -64,7 +66,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'nghttp2'
-copyright = u'2012, 2015, Tatsuhiro Tsujikawa'
+copyright = u'2012, 2015, 2016, 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
@@ -242,12 +244,9 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('nghttp.1', 'nghttp', u'HTTP/2 experimental client',
-     [u'Tatsuhiro Tsujikawa'], 1),
-    ('nghttpd.1', 'nghttpd', u'HTTP/2 experimental server',
-     [u'Tatsuhiro Tsujikawa'], 1),
-    ('nghttpx.1', 'nghttpx', u'HTTP/2 experimental proxy',
-     [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttp.1', 'nghttp', u'HTTP/2 client', [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpd.1', 'nghttpd', u'HTTP/2 server', [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpx.1', 'nghttpx', u'HTTP/2 proxy', [u'Tatsuhiro Tsujikawa'], 1),
     ('h2load.1', 'h2load', u'HTTP/2 benchmarking tool',
      [u'Tatsuhiro Tsujikawa'], 1)
 ]

doc/h2load.1

@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "July 15, 2015" "1.1.1" "nghttp2"
+.TH "H2LOAD" "1" "Sep 25, 2016" "1.15.0" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .
@@ -44,20 +44,25 @@ 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.
+are used solely.  Definition of a base URI overrides all
+scheme, host or port values.
 .UNINDENT
 .SH OPTIONS
 .INDENT 0.0
 .TP
 .B \-n, \-\-requests=<N>
-Number of requests.
+Number of  requests across all  clients.  If it  is used
+with \fI\%\-\-timing\-script\-file\fP option,  this option specifies
+the number of requests  each client performs rather than
+the number of requests across all clients.
 .sp
 Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-c, \-\-clients=<N>
-Number of concurrent clients.
+Number  of concurrent  clients.   With  \fI\%\-r\fP option,  this
+specifies the maximum number of connections to be made.
 .sp
 Default: \fB1\fP
 .UNINDENT
@@ -70,23 +75,25 @@ Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-i, \-\-input\-file=<FILE>
+.B \-i, \-\-input\-file=<PATH>
 Path of a file with multiple URIs are separated by EOLs.
 This option will disable URIs getting from command\-line.
-If \(aq\-\(aq is given as <FILE>, URIs will be read from stdin.
+If \(aq\-\(aq is given as <PATH>, 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.
+are used solely.  Definition of a base URI overrides all
+scheme, host or port values.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-m, \-\-max\-concurrent\-streams=(auto|<N>)
-Max concurrent streams to  issue per session.  If "auto"
-is given, the number of given URIs is used.
+.B \-m, \-\-max\-concurrent\-streams=<N>
+Max  concurrent  streams  to issue  per  session.   When
+http/1.1  is used,  this  specifies the  number of  HTTP
+pipelining requests in\-flight.
 .sp
-Default: \fBauto\fP
+Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -122,15 +129,116 @@ described in OpenSSL ciphers(1).
 .B \-p, \-\-no\-tls\-proto=<PROTOID>
 Specify ALPN identifier of the  protocol to be used when
 accessing http URI without SSL/TLS.
-Available protocols: spdy/2, spdy/3, spdy/3.1 and h2c
+Available protocols: spdy/2, spdy/3, spdy/3.1, h2c and
+http/1.1
 .sp
 Default: \fBh2c\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-d, \-\-data=<FILE>
+.B \-d, \-\-data=<PATH>
 Post FILE to  server.  The request method  is changed to
-POST.
+POST.   For  http/1.1 connection,  if  \fI\%\-d\fP  is used,  the
+maximum number of in\-flight pipelined requests is set to
+1.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-r, \-\-rate=<N>
+Specifies  the  fixed  rate  at  which  connections  are
+created.   The   rate  must   be  a   positive  integer,
+representing the  number of  connections to be  made per
+rate period.   The maximum  number of connections  to be
+made  is  given  in  \fI\%\-c\fP   option.   This  rate  will  be
+distributed among  threads as  evenly as  possible.  For
+example,  with   \fI\%\-t\fP2  and   \fI\%\-r\fP4,  each  thread   gets  2
+connections per period.  When the rate is 0, the program
+will run  as it  normally does, creating  connections at
+whatever variable rate it  wants.  The default value for
+this option is 0.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-rate\-period=<DURATION>
+Specifies the time  period between creating connections.
+The period  must be a positive  number, representing the
+length of the period in time.  This option is ignored if
+the rate option is not used.  The default value for this
+option is 1s.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-T, \-\-connection\-active\-timeout=<DURATION>
+Specifies  the maximum  time that  h2load is  willing to
+keep a  connection open,  regardless of the  activity on
+said connection.  <DURATION> must be a positive integer,
+specifying the amount of time  to wait.  When no timeout
+value is  set (either  active or inactive),  h2load will
+keep  a  connection  open indefinitely,  waiting  for  a
+response.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-N, \-\-connection\-inactivity\-timeout=<DURATION>
+Specifies the amount  of time that h2load  is willing to
+wait to see activity  on a given connection.  <DURATION>
+must  be a  positive integer,  specifying the  amount of
+time  to wait.   When no  timeout value  is set  (either
+active or inactive), h2load  will keep a connection open
+indefinitely, waiting for a response.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-timing\-script\-file=<PATH>
+Path of a file containing one or more lines separated by
+EOLs.  Each script line is composed of two tab\-separated
+fields.  The first field represents the time offset from
+the start of execution, expressed as a positive value of
+milliseconds  with microsecond  resolution.  The  second
+field represents the URI.  This option will disable URIs
+getting from  command\-line.  If \(aq\-\(aq is  given as <PATH>,
+script lines will be read  from stdin.  Script lines are
+used in order for each client.   If \fI\%\-n\fP is given, it must
+be less  than or  equal to the  number of  script lines,
+larger values are clamped to the number of script lines.
+If \fI\%\-n\fP is not given,  the number of requests will default
+to the  number of  script lines.   The scheme,  host and
+port defined in  the first URI are  used solely.  Values
+contained  in  other  URIs,  if  present,  are  ignored.
+Definition of a  base URI overrides all  scheme, host or
+port values.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-B, \-\-base\-uri=(<URI>|unix:<PATH>)
+Specify URI from which the scheme, host and port will be
+used  for  all requests.   The  base  URI overrides  all
+values  defined either  at  the command  line or  inside
+input files.  If argument  starts with "unix:", then the
+rest  of the  argument will  be treated  as UNIX  domain
+socket path.   The connection is made  through that path
+instead of TCP.   In this case, scheme  is inferred from
+the first  URI appeared  in the  command line  or inside
+input files as usual.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-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.
+.sp
+Default: \fBh2,h2\-16,h2\-14,spdy/3.1,spdy/3,spdy/2,http/1.1\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-h1
+Short        hand         for        \fI\%\-\-npn\-list\fP=http/1.1
+\fI\%\-\-no\-tls\-proto\fP=http/1.1,    which   effectively    force
+http/1.1 for both http and https URI.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -147,6 +255,11 @@ Display version information and exit.
 .B \-h, \-\-help
 Display this help and exit.
 .UNINDENT
+.sp
+The <DURATION> argument is an integer and an optional unit (e.g., 1s
+is 1 second and 500ms is 500 milliseconds).  Units are h, m, s or ms
+(hours, minutes, seconds and milliseconds, respectively).  If a unit
+is omitted, a second is used as unit.
 .SH OUTPUT
 .INDENT 0.0
 .TP
@@ -172,9 +285,14 @@ The number of requests failed, including HTTP level failures
 .TP
 .B errored
 The number of requests failed, except for HTTP level failures.
-status code.  This is the subset of the number reported in
-\fBfailed\fP and most likely the network level failures or stream
-was reset by RST_STREAM.
+This is the subset of the number reported in \fBfailed\fP and most
+likely the network level failures or stream was reset by
+RST_STREAM.
+.TP
+.B timeout
+The number of requests whose connection timed out before they were
+completed.   This  is  the  subset   of  the  number  reported  in
+\fBerrored\fP\&.
 .UNINDENT
 .TP
 .B status codes
@@ -185,14 +303,18 @@ The number of status code h2load received.
 .TP
 .B total
 The number of bytes received from the server "on the wire".  If
-requests were made via TLS, this value is the number of decrpyted
+requests were made via TLS, this value is the number of decrypted
 bytes.
 .TP
 .B headers
-The number of response header bytes from the server without
-decompression.  For HTTP/2, this is the sum of the payload of
-HEADERS frame.  For SPDY, this is the sum of the payload of
-SYN_REPLY frame.
+The  number  of response  header  bytes  from the  server  without
+decompression.  The  \fBspace savings\fP shows efficiency  of header
+compression.  Let \fBdecompressed(headers)\fP to the number of bytes
+used for header fields after decompression.  The \fBspace savings\fP
+is calculated  by (1 \- \fBheaders\fP  / \fBdecompressed(headers)\fP) *
+100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+header compression.  For HTTP/2 and SPDY, it shows some insightful
+numbers.
 .TP
 .B data
 The number of response body bytes received from the server.
@@ -260,6 +382,28 @@ The fraction of the number of connections within standard
 deviation range (mean +/\- sd) against total number of successful
 connections.
 .UNINDENT
+.TP
+.B req/s
+.INDENT 7.0
+.TP
+.B min
+The minimum request per second among all clients.
+.TP
+.B max
+The maximum request per second among all clients.
+.TP
+.B mean
+The mean request per second among all clients.
+.TP
+.B sd
+The standard deviation of request per second among all clients.
+server.
+.TP
+.B +/\- sd
+The fraction of the number of connections within standard
+deviation range (mean +/\- sd) against total number of successful
+connections.
+.UNINDENT
 .UNINDENT
 .SH FLOW CONTROL
 .sp
@@ -270,10 +414,10 @@ performance.  To set smaller flow control window, use \fI\%\-w\fP and
 window size described in HTTP/2 and SPDY protocol specification.
 .SH SEE ALSO
 .sp
-\fInghttp(1)\fP, \fInghttpd(1)\fP, \fInghttpx(1)\fP
+\fBnghttp(1)\fP, \fBnghttpd(1)\fP, \fBnghttpx(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .

doc/h2load.1.rst

@@ -23,20 +23,25 @@ benchmarking tool for HTTP/2 and SPDY server
     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.
+    are used solely.  Definition of a base URI overrides all
+    scheme, host or port values.
 
 OPTIONS
 -------
 
 .. option:: -n, --requests=<N>
 
-    Number of requests.
+    Number of  requests across all  clients.  If it  is used
+    with :option:`--timing-script-file` option,  this option specifies
+    the number of requests  each client performs rather than
+    the number of requests across all clients.
 
     Default: ``1``
 
 .. option:: -c, --clients=<N>
 
-    Number of concurrent clients.
+    Number  of concurrent  clients.   With  :option:`-r` option,  this
+    specifies the maximum number of connections to be made.
 
     Default: ``1``
 
@@ -46,23 +51,25 @@ OPTIONS
 
     Default: ``1``
 
-.. option:: -i, --input-file=<FILE>
+.. option:: -i, --input-file=<PATH>
 
     Path of a file with multiple URIs are separated by EOLs.
     This option will disable URIs getting from command-line.
-    If '-' is given as <FILE>, URIs will be read from stdin.
+    If '-' is given as <PATH>, 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.
+    are used solely.  Definition of a base URI overrides all
+    scheme, host or port values.
 
-.. option:: -m, --max-concurrent-streams=(auto|<N>)
+.. option:: -m, --max-concurrent-streams=<N>
 
-    Max concurrent streams to  issue per session.  If "auto"
-    is given, the number of given URIs is used.
+    Max  concurrent  streams  to issue  per  session.   When
+    http/1.1  is used,  this  specifies the  number of  HTTP
+    pipelining requests in-flight.
 
-    Default: ``auto``
+    Default: ``1``
 
 .. option:: -w, --window-bits=<N>
 
@@ -93,14 +100,107 @@ OPTIONS
 
     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
+    Available protocols: spdy/2, spdy/3, spdy/3.1, h2c and
+    http/1.1
 
     Default: ``h2c``
 
-.. option:: -d, --data=<FILE>
+.. option:: -d, --data=<PATH>
 
     Post FILE to  server.  The request method  is changed to
-    POST.
+    POST.   For  http/1.1 connection,  if  :option:`-d`  is used,  the
+    maximum number of in-flight pipelined requests is set to
+    1.
+
+.. option:: -r, --rate=<N>
+
+    Specifies  the  fixed  rate  at  which  connections  are
+    created.   The   rate  must   be  a   positive  integer,
+    representing the  number of  connections to be  made per
+    rate period.   The maximum  number of connections  to be
+    made  is  given  in  :option:`-c`   option.   This  rate  will  be
+    distributed among  threads as  evenly as  possible.  For
+    example,  with   :option:`-t`\2  and   :option:`-r`\4,  each  thread   gets  2
+    connections per period.  When the rate is 0, the program
+    will run  as it  normally does, creating  connections at
+    whatever variable rate it  wants.  The default value for
+    this option is 0.
+
+.. option:: --rate-period=<DURATION>
+
+    Specifies the time  period between creating connections.
+    The period  must be a positive  number, representing the
+    length of the period in time.  This option is ignored if
+    the rate option is not used.  The default value for this
+    option is 1s.
+
+.. option:: -T, --connection-active-timeout=<DURATION>
+
+    Specifies  the maximum  time that  h2load is  willing to
+    keep a  connection open,  regardless of the  activity on
+    said connection.  <DURATION> must be a positive integer,
+    specifying the amount of time  to wait.  When no timeout
+    value is  set (either  active or inactive),  h2load will
+    keep  a  connection  open indefinitely,  waiting  for  a
+    response.
+
+.. option:: -N, --connection-inactivity-timeout=<DURATION>
+
+    Specifies the amount  of time that h2load  is willing to
+    wait to see activity  on a given connection.  <DURATION>
+    must  be a  positive integer,  specifying the  amount of
+    time  to wait.   When no  timeout value  is set  (either
+    active or inactive), h2load  will keep a connection open
+    indefinitely, waiting for a response.
+
+.. option:: --timing-script-file=<PATH>
+
+    Path of a file containing one or more lines separated by
+    EOLs.  Each script line is composed of two tab-separated
+    fields.  The first field represents the time offset from
+    the start of execution, expressed as a positive value of
+    milliseconds  with microsecond  resolution.  The  second
+    field represents the URI.  This option will disable URIs
+    getting from  command-line.  If '-' is  given as <PATH>,
+    script lines will be read  from stdin.  Script lines are
+    used in order for each client.   If :option:`-n` is given, it must
+    be less  than or  equal to the  number of  script lines,
+    larger values are clamped to the number of script lines.
+    If :option:`-n` is not given,  the number of requests will default
+    to the  number of  script lines.   The scheme,  host and
+    port defined in  the first URI are  used solely.  Values
+    contained  in  other  URIs,  if  present,  are  ignored.
+    Definition of a  base URI overrides all  scheme, host or
+    port values.
+
+.. option:: -B, --base-uri=(<URI>|unix:<PATH>)
+
+    Specify URI from which the scheme, host and port will be
+    used  for  all requests.   The  base  URI overrides  all
+    values  defined either  at  the command  line or  inside
+    input files.  If argument  starts with "unix:", then the
+    rest  of the  argument will  be treated  as UNIX  domain
+    socket path.   The connection is made  through that path
+    instead of TCP.   In this case, scheme  is inferred from
+    the first  URI appeared  in the  command line  or inside
+    input files as usual.
+
+.. 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,h2-16,h2-14,spdy/3.1,spdy/3,spdy/2,http/1.1``
+
+.. option:: --h1
+
+    Short        hand         for        :option:`--npn-list`\=http/1.1
+    :option:`--no-tls-proto`\=http/1.1,    which   effectively    force
+    http/1.1 for both http and https URI.
 
 .. option:: -v, --verbose
 
@@ -114,6 +214,15 @@ OPTIONS
 
     Display this help and exit.
 
+
+
+The <DURATION> argument is an integer and an optional unit (e.g., 1s
+is 1 second and 500ms is 500 milliseconds).  Units are h, m, s or ms
+(hours, minutes, seconds and milliseconds, respectively).  If a unit
+is omitted, a second is used as unit.
+
+.. _h2load-1-output:
+
 OUTPUT
 ------
 
@@ -132,9 +241,13 @@ requests
     (non-successful HTTP status code).
   errored
     The number of requests failed, except for HTTP level failures.
-    status code.  This is the subset of the number reported in
-    ``failed`` and most likely the network level failures or stream
-    was reset by RST_STREAM.
+    This is the subset of the number reported in ``failed`` and most
+    likely the network level failures or stream was reset by
+    RST_STREAM.
+  timeout
+    The number of requests whose connection timed out before they were
+    completed.   This  is  the  subset   of  the  number  reported  in
+    ``errored``.
 
 status codes
   The number of status code h2load received.
@@ -142,13 +255,17 @@ status codes
 traffic
   total
     The number of bytes received from the server "on the wire".  If
-    requests were made via TLS, this value is the number of decrpyted
+    requests were made via TLS, this value is the number of decrypted
     bytes.
   headers
-    The number of response header bytes from the server without
-    decompression.  For HTTP/2, this is the sum of the payload of
-    HEADERS frame.  For SPDY, this is the sum of the payload of
-    SYN_REPLY frame.
+    The  number  of response  header  bytes  from the  server  without
+    decompression.  The  ``space savings`` shows efficiency  of header
+    compression.  Let ``decompressed(headers)`` to the number of bytes
+    used for header fields after decompression.  The ``space savings``
+    is calculated  by (1 - ``headers``  / ``decompressed(headers)``) *
+    100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+    header compression.  For HTTP/2 and SPDY, it shows some insightful
+    numbers.
   data
     The number of response body bytes received from the server.
 
@@ -194,6 +311,21 @@ time for 1st byte (of (decrypted in case of TLS) application data)
     deviation range (mean +/- sd) against total number of successful
     connections.
 
+req/s
+  min
+    The minimum request per second among all clients.
+  max
+    The maximum request per second among all clients.
+  mean
+    The mean request per second among all clients.
+  sd
+    The standard deviation of request per second among all clients.
+    server.
+  +/- sd
+    The fraction of the number of connections within standard
+    deviation range (mean +/- sd) against total number of successful
+    connections.
+
 FLOW CONTROL
 ------------
 

doc/h2load.h2r

@@ -1,3 +1,5 @@
+.. _h2load-1-output:
+
 OUTPUT
 ------
 
@@ -16,9 +18,13 @@ requests
     (non-successful HTTP status code).
   errored
     The number of requests failed, except for HTTP level failures.
-    status code.  This is the subset of the number reported in
-    ``failed`` and most likely the network level failures or stream
-    was reset by RST_STREAM.
+    This is the subset of the number reported in ``failed`` and most
+    likely the network level failures or stream was reset by
+    RST_STREAM.
+  timeout
+    The number of requests whose connection timed out before they were
+    completed.   This  is  the  subset   of  the  number  reported  in
+    ``errored``.
 
 status codes
   The number of status code h2load received.
@@ -26,13 +32,17 @@ status codes
 traffic
   total
     The number of bytes received from the server "on the wire".  If
-    requests were made via TLS, this value is the number of decrpyted
+    requests were made via TLS, this value is the number of decrypted
     bytes.
   headers
-    The number of response header bytes from the server without
-    decompression.  For HTTP/2, this is the sum of the payload of
-    HEADERS frame.  For SPDY, this is the sum of the payload of
-    SYN_REPLY frame.
+    The  number  of response  header  bytes  from the  server  without
+    decompression.  The  ``space savings`` shows efficiency  of header
+    compression.  Let ``decompressed(headers)`` to the number of bytes
+    used for header fields after decompression.  The ``space savings``
+    is calculated  by (1 - ``headers``  / ``decompressed(headers)``) *
+    100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+    header compression.  For HTTP/2 and SPDY, it shows some insightful
+    numbers.
   data
     The number of response body bytes received from the server.
 
@@ -78,6 +88,21 @@ time for 1st byte (of (decrypted in case of TLS) application data)
     deviation range (mean +/- sd) against total number of successful
     connections.
 
+req/s
+  min
+    The minimum request per second among all clients.
+  max
+    The maximum request per second among all clients.
+  mean
+    The mean request per second among all clients.
+  sd
+    The standard deviation of request per second among all clients.
+    server.
+  +/- sd
+    The fraction of the number of connections within standard
+    deviation range (mean +/- sd) against total number of successful
+    connections.
+
 FLOW CONTROL
 ------------
 

doc/nghttp.1

@@ -1,8 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTP" "1" "July 15, 2015" "1.1.1" "nghttp2"
+.TH "NGHTTP" "1" "Sep 25, 2016" "1.15.0" "nghttp2"
 .SH NAME
-nghttp \- HTTP/2 experimental client
+nghttp \- HTTP/2 client
 .
 .nr rst2man-indent-level 0
 .
@@ -35,7 +35,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 \fBnghttp\fP [OPTIONS]... <URI>...
 .SH DESCRIPTION
 .sp
-HTTP/2 experimental client
+HTTP/2 client
 .INDENT 0.0
 .TP
 .B <URI>
@@ -58,7 +58,7 @@ Discard downloaded data.
 .TP
 .B \-O, \-\-remote\-name
 Save  download  data  in  the  current  directory.   The
-filename is  dereived from URI.   If URI ends  with \(aq\fI/\fP\(aq,
+filename is  derived from  URI.  If  URI ends  with \(aq\fI/\fP\(aq,
 \(aqindex.html\(aq  is used  as a  filename.  Not  implemented
 yet.
 .UNINDENT
@@ -122,7 +122,7 @@ PEM format.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-d, \-\-data=<FILE>
+.B \-d, \-\-data=<PATH>
 Post FILE to server. If \(aq\-\(aq  is given, data will be read
 from stdin.
 .UNINDENT
@@ -142,22 +142,39 @@ HTTP upgrade request is performed with OPTIONS method.
 .INDENT 0.0
 .TP
 .B \-p, \-\-weight=<WEIGHT>
-Sets priority group weight.  The valid value range is
+Sets  weight of  given  URI.  This  option  can be  used
+multiple times, and  N\-th \fI\%\-p\fP option sets  weight of N\-th
+URI in the command line.  If  the number of \fI\%\-p\fP option is
+less than the number of URI, the last \fI\%\-p\fP option value is
+repeated.  If there is no \fI\%\-p\fP option, default weight, 16,
+is assumed.  The valid value range is
 [1, 256], inclusive.
-.sp
-Default: \fB16\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-M, \-\-peer\-max\-concurrent\-streams=<N>
 Use  <N>  as  SETTINGS_MAX_CONCURRENT_STREAMS  value  of
 remote endpoint as if it  is received in SETTINGS frame.
-The default is large enough as it is seen as unlimited.
+.sp
+Default: \fB100\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-c, \-\-header\-table\-size=<SIZE>
-Specify decoder header table size.
+Specify decoder  header table  size.  If this  option is
+used  multiple times,  and the  minimum value  among the
+given values except  for last one is  strictly less than
+the last  value, that minimum  value is set  in SETTINGS
+frame  payload  before  the   last  value,  to  simulate
+multiple header table size change.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-encoder\-header\-table\-size=<SIZE>
+Specify encoder header table size.  The decoder (server)
+specifies  the maximum  dynamic table  size it  accepts.
+Then the negotiated dynamic table size is the minimum of
+this option value and the value which server specified.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -167,8 +184,8 @@ Specify 0 to disable padding.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-r, \-\-har=<FILE>
-Output HTTP  transactions <FILE> in HAR  format.  If \(aq\-\(aq
+.B \-r, \-\-har=<PATH>
+Output HTTP  transactions <PATH> in HAR  format.  If \(aq\-\(aq
 is given, data is written to stdout.
 .UNINDENT
 .INDENT 0.0
@@ -211,6 +228,14 @@ accepts.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-expect\-continue
+Perform an Expect/Continue handshake:  wait to send DATA
+(up to  a short  timeout)  until the server sends  a 100
+Continue interim response. This option is ignored unless
+combined with the \fI\%\-d\fP option.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-version
 Display version information and exit.
 .UNINDENT
@@ -286,10 +311,10 @@ stream 11 with the weight 12.  The other resources (e.g., icon) depend
 on stream 11 with the weight 2.
 .SH SEE ALSO
 .sp
-\fInghttpd(1)\fP, \fInghttpx(1)\fP, \fIh2load(1)\fP
+\fBnghttpd(1)\fP, \fBnghttpx(1)\fP, \fBh2load(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .

doc/nghttp.1.rst

@@ -14,7 +14,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-HTTP/2 experimental client
+HTTP/2 client
 
 .. describe:: <URI>
 
@@ -36,7 +36,7 @@ OPTIONS
 .. option:: -O, --remote-name
 
     Save  download  data  in  the  current  directory.   The
-    filename is  dereived from URI.   If URI ends  with '*/*',
+    filename is  derived from  URI.  If  URI ends  with '*/*',
     'index.html'  is used  as a  filename.  Not  implemented
     yet.
 
@@ -89,7 +89,7 @@ OPTIONS
     Use the  client private key  file.  The file must  be in
     PEM format.
 
-.. option:: -d, --data=<FILE>
+.. option:: -d, --data=<PATH>
 
     Post FILE to server. If '-'  is given, data will be read
     from stdin.
@@ -107,29 +107,45 @@ OPTIONS
 
 .. option:: -p, --weight=<WEIGHT>
 
-    Sets priority group weight.  The valid value range is
+    Sets  weight of  given  URI.  This  option  can be  used
+    multiple times, and  N-th :option:`-p` option sets  weight of N-th
+    URI in the command line.  If  the number of :option:`-p` option is
+    less than the number of URI, the last :option:`-p` option value is
+    repeated.  If there is no :option:`-p` option, default weight, 16,
+    is assumed.  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.
+
+    Default: ``100``
 
 .. option:: -c, --header-table-size=<SIZE>
 
-    Specify decoder header table size.
+    Specify decoder  header table  size.  If this  option is
+    used  multiple times,  and the  minimum value  among the
+    given values except  for last one is  strictly less than
+    the last  value, that minimum  value is set  in SETTINGS
+    frame  payload  before  the   last  value,  to  simulate
+    multiple header table size change.
+
+.. option:: --encoder-header-table-size=<SIZE>
+
+    Specify encoder header table size.  The decoder (server)
+    specifies  the maximum  dynamic table  size it  accepts.
+    Then the negotiated dynamic table size is the minimum of
+    this option value and the value which server specified.
 
 .. option:: -b, --padding=<N>
 
     Add at  most <N>  bytes to a  frame payload  as padding.
     Specify 0 to disable padding.
 
-.. option:: -r, --har=<FILE>
+.. option:: -r, --har=<PATH>
 
-    Output HTTP  transactions <FILE> in HAR  format.  If '-'
+    Output HTTP  transactions <PATH> in HAR  format.  If '-'
     is given, data is written to stdout.
 
 .. option:: --color
@@ -163,6 +179,13 @@ OPTIONS
     The  number of  concurrent  pushed  streams this  client
     accepts.
 
+.. option:: --expect-continue
+
+    Perform an Expect/Continue handshake:  wait to send DATA
+    (up to  a short  timeout)  until the server sends  a 100
+    Continue interim response. This option is ignored unless
+    combined with the :option:`-d` option.
+
 .. option:: --version
 
     Display version information and exit.
@@ -195,7 +218,9 @@ implementation.
 
 When connection is established, nghttp sends 5 PRIORITY frames to idle
 streams 3, 5, 7, 9 and 11 to create "anchor" nodes in dependency
-tree::
+tree:
+
+.. code-block:: text
 
                       +-----+
                       |id=0 |

doc/nghttp.h2r

@@ -12,7 +12,9 @@ implementation.
 
 When connection is established, nghttp sends 5 PRIORITY frames to idle
 streams 3, 5, 7, 9 and 11 to create "anchor" nodes in dependency
-tree::
+tree:
+
+.. code-block:: text
 
                       +-----+
                       |id=0 |

doc/nghttpd.1

@@ -1,8 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPD" "1" "July 15, 2015" "1.1.1" "nghttp2"
+.TH "NGHTTPD" "1" "Sep 25, 2016" "1.15.0" "nghttp2"
 .SH NAME
-nghttpd \- HTTP/2 experimental server
+nghttpd \- HTTP/2 server
 .
 .nr rst2man-indent-level 0
 .
@@ -35,7 +35,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 \fBnghttpd\fP [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>]
 .SH DESCRIPTION
 .sp
-HTTP/2 experimental server
+HTTP/2 server
 .INDENT 0.0
 .TP
 .B <PORT>
@@ -99,6 +99,14 @@ Specify decoder header table size.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-encoder\-header\-table\-size=<SIZE>
+Specify encoder header table size.  The decoder (client)
+specifies  the maximum  dynamic table  size it  accepts.
+Then the negotiated dynamic table size is the minimum of
+this option value and the value which client specified.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-color
 Force colored log output.
 .UNINDENT
@@ -139,6 +147,17 @@ Make error response gzipped.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-w, \-\-window\-bits=<N>
+Sets the stream level initial window size to 2**<N>\-1.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-W, \-\-connection\-window\-bits=<N>
+Sets  the  connection  level   initial  window  size  to
+2**<N>\-1.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-dh\-param\-file=<PATH>
 Path to file that contains  DH parameters in PEM format.
 Without  this   option,  DHE   cipher  suites   are  not
@@ -172,6 +191,19 @@ Send back uploaded content if method is POST or PUT.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-mime\-types\-file=<PATH>
+Path  to file  that contains  MIME media  types and  the
+extensions that represent them.
+.sp
+Default: \fB/etc/mime.types\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-no\-content\-length
+Don\(aqt send content\-length header field.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-version
 Display version information and exit.
 .UNINDENT
@@ -185,10 +217,10 @@ The <SIZE> argument is an integer and an optional unit (e.g., 10K is
 10 * 1024).  Units are K, M and G (powers of 1024).
 .SH SEE ALSO
 .sp
-\fInghttp(1)\fP, \fInghttpx(1)\fP, \fIh2load(1)\fP
+\fBnghttp(1)\fP, \fBnghttpx(1)\fP, \fBh2load(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .

doc/nghttpd.1.rst

@@ -14,7 +14,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-HTTP/2 experimental server
+HTTP/2 server
 
 .. describe:: <PORT>
 
@@ -70,6 +70,13 @@ OPTIONS
 
     Specify decoder header table size.
 
+.. option:: --encoder-header-table-size=<SIZE>
+
+    Specify encoder header table size.  The decoder (client)
+    specifies  the maximum  dynamic table  size it  accepts.
+    Then the negotiated dynamic table size is the minimum of
+    this option value and the value which client specified.
+
 .. option:: --color
 
     Force colored log output.
@@ -104,6 +111,15 @@ OPTIONS
 
     Make error response gzipped.
 
+.. 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:: --dh-param-file=<PATH>
 
     Path to file that contains  DH parameters in PEM format.
@@ -132,6 +148,17 @@ OPTIONS
 
     Send back uploaded content if method is POST or PUT.
 
+.. option:: --mime-types-file=<PATH>
+
+    Path  to file  that contains  MIME media  types and  the
+    extensions that represent them.
+
+    Default: ``/etc/mime.types``
+
+.. option:: --no-content-length
+
+    Don't send content-length header field.
+
 .. option:: --version
 
     Display version information and exit.

doc/nghttpx.h2r

@@ -13,6 +13,22 @@ FILES
   ``=`` between option name and value.  Don't put extra leading or
   trailing spaces.
 
+  When specifying arguments including characters which have special
+  meaning to a shell, we usually use quotes so that shell does not
+  interpret them.  When writing this configuration file, quotes for
+  this purpose must not be used.  For example, specify additional
+  request header field, do this:
+
+  .. code-block:: text
+
+    add-request-header=foo: bar
+
+  instead of:
+
+  .. code-block:: text
+
+    add-request-header="foo: bar"
+
   The options which do not take argument in the command-line *take*
   argument in the configuration file.  Specify ``yes`` as an argument
   (e.g., ``http2-proxy=yes``).  If other string is given, it is
@@ -33,6 +49,9 @@ SIGQUIT
   accepting connection.  After all connections are handled, nghttpx
   exits.
 
+SIGHUP
+  Reload configuration file given in :option:`--conf`.
+
 SIGUSR1
   Reopen log files.
 
@@ -40,13 +59,32 @@ SIGUSR2
   Fork and execute nghttpx.  It will execute the binary in the same
   path with same command-line arguments and environment variables.
   After new process comes up, sending SIGQUIT to the original process
-  to perform hot swapping.
+  to perform hot swapping.  The difference between SIGUSR2 + SIGQUIT
+  and SIGHUP is that former is usually used to execute new binary, and
+  the master process is newly spawned.  On the other hand, the latter
+  just reloads configuration file, and the same master process
+  continues to exist.
+
+.. note::
+
+  nghttpx consists of multiple processes: one process for processing
+  these signals, and another one for processing requests.  The former
+  spawns the latter.  The former is called master process, and the
+  latter is called worker process.  If neverbleed is enabled, the
+  worker process spawns neverbleed daemon process which does RSA key
+  processing.  The above signal must be sent to the master process.
+  If the other processes received one of them, it is ignored.  This
+  behaviour of these processes may change in the future release.  In
+  other words, in the future release, the processes other than master
+  process may terminate upon the reception of these signals.
+  Therefore these signals should not be sent to the processes other
+  than master process.
 
 SERVER PUSH
 -----------
 
-nghttpx supports HTTP/2 server push in default mode.  nghttpx looks
-for Link header field (`RFC 5988
+nghttpx supports HTTP/2 server push in default mode with Link header
+field.  nghttpx looks for Link header field (`RFC 5988
 <http://tools.ietf.org/html/rfc5988>`_) in response headers from
 backend server and extracts URI-reference with parameter
 ``rel=preload`` (see `preload
@@ -54,22 +92,25 @@ backend server and extracts URI-reference with parameter
 and pushes those URIs to the frontend client. Here is a sample Link
 header field to initiate server push:
 
-.. code-block:: http
+.. code-block:: text
 
   Link: </fonts/font.woff>; rel=preload
   Link: </css/theme.css>; rel=preload
 
-Currently, the following restrictions are applied for server push:
+Currently, the following restriction is applied for server push:
 
-1. URI-reference must not contain authority.  If it exists, it is not
-   pushed.  ``/fonts/font.woff`` and ``css/theme.css`` are eligible to
-   be pushed.  ``https://example.org/fonts/font.woff`` and
-   ``//example.org/css/theme.css`` are not.
-
-2. The associated stream must have method "GET" or "POST".  The
+1. The associated stream must have method "GET" or "POST".  The
    associated stream's status code must be 200.
 
-These limitations may be loosened in the future release.
+This limitation may be loosened in the future release.
+
+nghttpx also supports server push if both frontend and backend are
+HTTP/2 in default mode.  In this case, in addition to server push via
+Link header field, server push from backend is forwarded to frontend
+HTTP/2 session.
+
+HTTP/2 server push will be disabled if :option:`--http2-proxy` is
+used.
 
 UNIX DOMAIN SOCKET
 ------------------
@@ -96,6 +137,398 @@ The script file is usually installed under
 ``$(prefix)/share/nghttp2/`` directory.  The actual path to script can
 be customized using :option:`--fetch-ocsp-response-file` option.
 
+If OCSP query is failed, previous OCSP response, if any, is continued
+to be used.
+
+TLS SESSION RESUMPTION
+----------------------
+
+nghttpx supports TLS session resumption through both session ID and
+session ticket.
+
+SESSION ID RESUMPTION
+~~~~~~~~~~~~~~~~~~~~~
+
+By default, session ID is shared by all worker threads.
+
+If :option:`--tls-session-cache-memcached` is given, nghttpx will
+insert serialized session data to memcached with
+``nghttpx:tls-session-cache:`` + lowercased hex string of session ID
+as a memcached entry key, with expiry time 12 hours.  Session timeout
+is set to 12 hours.
+
+By default, connections to memcached server are not encrypted.  To
+enable encryption, use ``tls`` keyword in
+:option:`--tls-session-cache-memcached` option.
+
+TLS SESSION TICKET RESUMPTION
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+By default, session ticket is shared by all worker threads.  The
+automatic key rotation is also enabled by default.  Every an hour, new
+encryption key is generated, and previous encryption key becomes
+decryption only key.  We set session timeout to 12 hours, and thus we
+keep at most 12 keys.
+
+If :option:`--tls-ticket-key-memcached` is given, encryption keys are
+retrieved from memcached.  nghttpx just reads keys from memcached; one
+has to deploy key generator program to update keys frequently (e.g.,
+every 1 hour).  The example key generator tlsticketupdate.go is
+available under contrib directory in nghttp2 archive.  The memcached
+entry key is ``nghttpx:tls-ticket-key``.  The data format stored in
+memcached is the binary format described below:
+
+.. code-block:: text
+
+    +--------------+-------+----------------+
+    | VERSION (4)  |LEN (2)|KEY(48 or 80) ...
+    +--------------+-------+----------------+
+                   ^                        |
+		   |                        |
+		   +------------------------+
+                   (LEN, KEY) pair can be repeated
+
+All numbers in the above figure is bytes.  All integer fields are
+network byte order.
+
+First 4 bytes integer VERSION field, which must be 1.  The 2 bytes
+integer LEN field gives the length of following KEY field, which
+contains key.  If :option:`--tls-ticket-key-cipher`\=aes-128-cbc is
+used, LEN must be 48.  If
+:option:`--tls-ticket-key-cipher`\=aes-256-cbc is used, LEN must be
+80.  LEN and KEY pair can be repeated multiple times to store multiple
+keys.  The key appeared first is used as encryption key.  All the
+remaining keys are used as decryption only.
+
+By default, connections to memcached server are not encrypted.  To
+enable encryption, use ``tls`` keyword in
+:option:`--tls-ticket-key-memcached` option.
+
+If :option:`--tls-ticket-key-file` is given, encryption key is read
+from the given file.  In this case, nghttpx does not rotate key
+automatically.  To rotate key, one has to restart nghttpx (see
+SIGNALS).
+
+MRUBY SCRIPTING
+---------------
+
+.. warning::
+
+  The current mruby extension API is experimental and not frozen.  The
+  API is subject to change in the future release.
+
+nghttpx allows users to extend its capability using mruby scripts.
+nghttpx has 2 hook points to execute mruby script: request phase and
+response phase.  The request phase hook is invoked after all request
+header fields are received from client.  The response phase hook is
+invoked after all response header fields are received from backend
+server.  These hooks allows users to modify header fields, or common
+HTTP variables, like authority or request path, and even return custom
+response without forwarding request to backend servers.
+
+To specify mruby script file, use :option:`--mruby-file` option.  The
+script will be evaluated once per thread on startup, and it must
+instantiate object and evaluate it as the return value (e.g.,
+``App.new``).  This object is called app object.  If app object
+defines ``on_req`` method, it is called with :rb:class:`Nghttpx::Env`
+object on request hook.  Similarly, if app object defines ``on_resp``
+method, it is called with :rb:class:`Nghttpx::Env` object on response
+hook.  For each method invocation, user can can access
+:rb:class:`Nghttpx::Request` and :rb:class:`Nghttpx::Response` objects
+via :rb:attr:`Nghttpx::Env#req` and :rb:attr:`Nghttpx::Env#resp`
+respectively.
+
+.. rb:module:: Nghttpx
+
+.. rb:const:: REQUEST_PHASE
+
+    Constant to represent request phase.
+
+.. rb:const:: RESPONSE_PHASE
+
+    Constant to represent response phase.
+
+.. rb:class:: Env
+
+    Object to represent current request specific context.
+
+    .. rb:attr_reader:: req
+
+        Return :rb:class:`Request` object.
+
+    .. rb:attr_reader:: resp
+
+        Return :rb:class:`Response` object.
+
+    .. rb:attr_reader:: ctx
+
+        Return Ruby hash object.  It persists until request finishes.
+        So values set in request phase hoo can be retrieved in
+        response phase hook.
+
+    .. rb:attr_reader:: phase
+
+        Return the current phase.
+
+    .. rb:attr_reader:: remote_addr
+
+        Return IP address of a remote client.  If connection is made
+        via UNIX domain socket, this returns the string "localhost".
+
+    .. rb:attr_reader:: server_addr
+
+        Return address of server that accepted the connection.  This
+	is a string which specified in :option:`--frontend` option,
+	excluding port number, and not a resolved IP address.  For
+	UNIX domain socket, this is a path to UNIX domain socket.
+
+    .. rb:attr_reader:: server_port
+
+        Return port number of the server frontend which accepted the
+        connection from client.
+
+    .. rb:attr_reader:: tls_used
+
+        Return true if TLS is used on the connection.
+
+    .. rb:attr_reader:: tls_sni
+
+        Return the TLS SNI value which client sent in this connection.
+
+.. rb:class:: Request
+
+    Object to represent request from client.  The modification to
+    Request object is allowed only in request phase hook.
+
+    .. rb:attr_reader:: http_version_major
+
+        Return HTTP major version.
+
+    .. rb:attr_reader:: http_version_minor
+
+        Return HTTP minor version.
+
+    .. rb:attr_accessor:: method
+
+        HTTP method.  On assignment, copy of given value is assigned.
+        We don't accept arbitrary method name.  We will document them
+        later, but well known methods, like GET, PUT and POST, are all
+        supported.
+
+    .. rb:attr_accessor:: authority
+
+        Authority (i.e., example.org), including optional port
+        component .  On assignment, copy of given value is assigned.
+
+    .. rb:attr_accessor:: scheme
+
+        Scheme (i.e., http, https).  On assignment, copy of given
+        value is assigned.
+
+    .. rb:attr_accessor:: path
+
+        Request path, including query component (i.e., /index.html).
+        On assignment, copy of given value is assigned.  The path does
+        not include authority component of URI.  This may include
+        query component.  nghttpx makes certain normalization for
+        path.  It decodes percent-encoding for unreserved characters
+        (see https://tools.ietf.org/html/rfc3986#section-2.3), and
+        resolves ".." and ".".  But it may leave characters which
+        should be percent-encoded as is. So be careful when comparing
+        path against desired string.
+
+    .. rb:attr_reader:: headers
+
+        Return Ruby hash containing copy of request header fields.
+        Changing values in returned hash does not change request
+        header fields actually used in request processing.  Use
+        :rb:meth:`Nghttpx::Request#add_header` or
+        :rb:meth:`Nghttpx::Request#set_header` to change request
+        header fields.
+
+    .. rb:method:: add_header(key, value)
+
+        Add header entry associated with key.  The value can be single
+        string or array of string.  It does not replace any existing
+        values associated with key.
+
+    .. rb:method:: set_header(key, value)
+
+        Set header entry associated with key.  The value can be single
+        string or array of string.  It replaces any existing values
+        associated with key.
+
+    .. rb:method:: clear_headers
+
+        Clear all existing request header fields.
+
+    .. rb:method:: push(uri)
+
+        Initiate to push resource identified by *uri*.  Only HTTP/2
+        protocol supports this feature.  For the other protocols, this
+        method is noop.  *uri* can be absolute URI, absolute path or
+        relative path to the current request.  For absolute or
+        relative path, scheme and authority are inherited from the
+        current request.  Currently, method is always GET.  nghttpx
+        will issue request to backend servers to fulfill this request.
+        The request and response phase hooks will be called for pushed
+        resource as well.
+
+.. rb:class:: Response
+
+    Object to represent response from backend server.
+
+    .. rb:attr_reader:: http_version_major
+
+        Return HTTP major version.
+
+    .. rb:attr_reader:: http_version_minor
+
+        Return HTTP minor version.
+
+    .. rb:attr_accessor:: status
+
+        HTTP status code.  It must be in the range [200, 999],
+        inclusive.  The non-final status code is not supported in
+        mruby scripting at the moment.
+
+    .. rb:attr_reader:: headers
+
+        Return Ruby hash containing copy of response header fields.
+        Changing values in returned hash does not change response
+        header fields actually used in response processing.  Use
+        :rb:meth:`Nghttpx::Response#add_header` or
+        :rb:meth:`Nghttpx::Response#set_header` to change response
+        header fields.
+
+    .. rb:method:: add_header(key, value)
+
+        Add header entry associated with key.  The value can be single
+        string or array of string.  It does not replace any existing
+        values associated with key.
+
+    .. rb:method:: set_header(key, value)
+
+        Set header entry associated with key.  The value can be single
+        string or array of string.  It replaces any existing values
+        associated with key.
+
+    .. rb:method:: clear_headers
+
+        Clear all existing response header fields.
+
+    .. rb:method:: return(body)
+
+        Return custom response *body* to a client.  When this method
+        is called in request phase hook, the request is not forwarded
+        to the backend, and response phase hook for this request will
+        not be invoked.  When this method is called in response phase
+        hook, response from backend server is canceled and discarded.
+        The status code and response header fields should be set
+        before using this method.  To set status code, use :rb:meth To
+        set response header fields, use
+        :rb:attr:`Nghttpx::Response#status`.  If status code is not
+        set, 200 is used.  :rb:meth:`Nghttpx::Response#add_header` and
+        :rb:meth:`Nghttpx::Response#set_header`.  When this method is
+        invoked in response phase hook, the response headers are
+        filled with the ones received from backend server.  To send
+        completely custom header fields, first call
+        :rb:meth:`Nghttpx::Response#clear_headers` to erase all
+        existing header fields, and then add required header fields.
+        It is an error to call this method twice for a given request.
+
+MRUBY EXAMPLES
+~~~~~~~~~~~~~~
+
+Modify request path:
+
+.. code-block:: ruby
+
+    class App
+      def on_req(env)
+        env.req.path = "/apps#{env.req.path}"
+      end
+    end
+
+    App.new
+
+Don't forget to instantiate and evaluate object at the last line.
+
+Restrict permission of viewing a content to a specific client
+addresses:
+
+.. code-block:: ruby
+
+    class App
+      def on_req(env)
+        allowed_clients = ["127.0.0.1", "::1"]
+
+        if env.req.path.start_with?("/log/") &&
+           !allowed_clients.include?(env.remote_addr) then
+          env.resp.status = 404
+          env.resp.return "permission denied"
+        end
+      end
+    end
+
+    App.new
+
+API ENDPOINTS
+-------------
+
+nghttpx exposes API endpoints to manipulate it via HTTP based API.  By
+default, API endpoint is disabled.  To enable it, add a dedicated
+frontend for API using :option:`--frontend` option with "api"
+parameter.  All requests which come from this frontend address, will
+be treated as API request.
+
+The response is normally JSON dictionary, and at least includes the
+following keys:
+
+status
+  The status of the request processing.  The following values are
+  defined:
+
+  Success
+    The request was successful.
+
+  Failure
+    The request was failed.  No change has been made.
+
+code
+  HTTP status code
+
+We wrote "normally", since nghttpx may return ordinal HTML response in
+some cases where the error has occurred before reaching API endpoint
+(e.g., header field is too large).
+
+The following section describes available API endpoints.
+
+PUT /api/v1beta1/backendconfig
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This API replaces the current backend server settings with the
+requested ones.  The request method should be PUT, but POST is also
+acceptable.  The request body must be nghttpx configuration file
+format.  For configuration file format, see `FILES`_ section.  The
+line separator inside the request body must be single LF (0x0A).
+Currently, only :option:`backend <--backend>` option is parsed, the
+others are simply ignored.  The semantics of this API is replace the
+current backend with the backend options in request body.  Describe
+the desired set of backend severs, and nghttpx makes it happen.  If
+there is no :option:`backend <--backend>` option is found in request
+body, the current set of backend is replaced with the :option:`backend
+<--backend>` option's default value, which is ``127.0.0.1,80``.
+
+The replacement is done instantly without breaking existing
+connections or requests.  It also avoids any process creation as is
+the case with hot swapping with signals.
+
+The one limitation is that only numeric IP address is allowd in
+:option:`backend <--backend>` in request body while non numeric
+hostname is allowed in command-line or configuration file is read
+using :option:`--conf`.
+
 SEE ALSO
 --------
 

doc/programmers-guide.rst

@@ -1,6 +1,79 @@
 Programmers' Guide
 ==================
 
+Architecture
+------------
+
+The most notable point in nghttp2 library architecture is it does not
+perform any I/O.  nghttp2 only performs HTTP/2 protocol stuff based on
+input byte strings.  It will calls callback functions set by
+applications while processing input.  The output of nghttp2 is just
+byte string.  An application is responsible to send these output to
+the remote peer.  The callback functions may be called while producing
+output.
+
+Not doing I/O makes embedding nghttp2 library in the existing code
+base very easy.  Usually, the existing applications have its own I/O
+event loops.  It is very hard to use nghttp2 in that situation if
+nghttp2 does its own I/O.  It also makes light weight language wrapper
+for nghttp2 easy with the same reason.  The down side is that an
+application author has to write more code to write complete
+application using nghttp2.  This is especially true for simple "toy"
+application.  For the real applications, however, this is not the
+case.  This is because you probably want to support HTTP/1 which
+nghttp2 does not provide, and to do that, you will need to write your
+own HTTP/1 stack or use existing third-party library, and bind them
+together with nghttp2 and I/O event loop.  In this point, not
+performing I/O in nghttp2 has more point than doing it.
+
+The primary object that an application uses is :type:`nghttp2_session`
+object, which is opaque struct and its details are hidden in order to
+ensure the upgrading its internal architecture without breaking the
+backward compatibility.  An application can set callbacks to
+:type:`nghttp2_session` object through the dedicated object and
+functions, and it also interacts with it via many API function calls.
+
+An application can create as many :type:`nghttp2_session` object as it
+wants.  But single :type:`nghttp2_session` object must be used by a
+single thread at the same time.  This is not so hard to enforce since
+most event-based architecture applications use is single thread per
+core, and handling one connection I/O is done by single thread.
+
+To feed input to :type:`nghttp2_session` object, one can use
+`nghttp2_session_recv()` or `nghttp2_session_mem_recv()` functions.
+They behave similarly, and the difference is that
+`nghttp2_session_recv()` will use :type:`nghttp2_read_callback` to get
+input.  On the other hand, `nghttp2_session_mem_recv()` will take
+input as its parameter.  If in doubt, use `nghttp2_session_mem_recv()`
+since it is simpler, and could be faster since it avoids calling
+callback function.
+
+To get output from :type:`nghttp2_session` object, one can use
+`nghttp2_session_send()` or `nghttp2_session_mem_send()`.  The
+difference between them is that the former uses
+:type:`nghttp2_send_callback` to pass output to an application.  On
+the other hand, the latter returns the output to the caller.  If in
+doubt, use `nghttp2_session_mem_send()` since it is simpler.  But
+`nghttp2_session_send()` might be easier to use if the output buffer
+an application has is fixed sized.
+
+In general, an application should call `nghttp2_session_mem_send()`
+when it gets input from underlying connection.  Since there is great
+chance to get something pushed into transmission queue while the call
+of `nghttp2_session_mem_send()`, it is recommended to call
+`nghttp2_session_mem_recv()` after `nghttp2_session_mem_send()`.
+
+There is a question when we are safe to close HTTP/2 session without
+waiting for the closure of underlying connection.  We offer 2 API
+calls for this: `nghttp2_session_want_read()` and
+`nghttp2_session_want_write()`.  If they both return 0, application
+can destroy :type:`nghttp2_session`, and then close the underlying
+connection.  But make sure that the buffered output has been
+transmitted to the peer before closing the connection when
+`nghttp2_session_mem_send()` is used, since
+`nghttp2_session_want_write()` does not take into account the
+transmission of the buffered data outside of :type:`nghttp2_session`.
+
 Includes
 --------
 
@@ -103,3 +176,300 @@ header field if it is present (this does not include padding bytes).
 Any deviation results in stream error of type PROTOCOL_ERROR.  If
 error is found in PUSH_PROMISE frame, stream error is raised against
 promised stream.
+
+The order of transmission of the HTTP/2 frames
+----------------------------------------------
+
+This section describes the internals of libnghttp2 about the
+scheduling of transmission of HTTP/2 frames.  This is pretty much
+internal stuff, so the details could change in the future versions of
+the library.
+
+libnghttp2 categorizes HTTP/2 frames into 4 categories: urgent,
+regular, syn_stream, and data in the order of higher priority.
+
+The urgent category includes PING and SETTINGS.  They are sent with
+highest priority.  The order inside the category is FIFO.
+
+The regular category includes frames other than PING, SETTINGS, DATA,
+and HEADERS which does not create stream (which counts toward
+concurrent stream limit).  The order inside the category is FIFO.
+
+The syn_stream category includes HEADERS frame which creates stream,
+that counts toward the concurrent stream limit.
+
+The data category includes DATA frame, and the scheduling among DATA
+frames are determined by HTTP/2 dependency tree.
+
+If the application wants to send frames in the specific order, and the
+default transmission order does not fit, it has to schedule frames by
+itself using the callbacks (e.g.,
+:type:`nghttp2_on_frame_send_callback`).
+
+RST_STREAM has special side effect when it is submitted by
+`nghttp2_submit_rst_stream()`.  It cancels all pending HEADERS and
+DATA frames whose stream ID matches the one in the RST_STREAM frame.
+This may cause unexpected behaviour for the application in some cases.
+For example, suppose that application wants to send RST_STREAM after
+sending response HEADERS and DATA.  Because of the reason we mentioned
+above, the following code does not work:
+
+.. code-block:: c
+
+    nghttp2_submit_response(...)
+    nghttp2_submit_rst_stream(...)
+
+RST_STREAM cancels HEADERS (and DATA), and just RST_STREAM is sent.
+The correct way is use :type:`nghttp2_on_frame_send_callback`, and
+after HEADERS and DATA frames are sent, issue
+`nghttp2_submit_rst_stream()`.  FYI,
+:type:`nghttp2_on_frame_not_send_callback` tells you why frames are
+not sent.
+
+Implement user defined HTTP/2 non-critical extensions
+-----------------------------------------------------
+
+As of nghttp2 v1.8.0, we have added HTTP/2 non-critical extension
+framework, which lets application send and receive user defined custom
+HTTP/2 non-critical extension frames.  nghttp2 also offers built-in
+functionality to send and receive official HTTP/2 extension frames
+(e.g., ALTSVC frame).  For these built-in handler, refer to the next
+section.
+
+To send extension frame, use `nghttp2_submit_extension()`, and
+implement :type:`nghttp2_pack_extension_callback`.  The callback
+implements how to encode data into wire format.  The callback must be
+set to :type:`nghttp2_session_callbacks` using
+`nghttp2_session_callbacks_set_pack_extension_callback()`.
+
+For example, we will illustrate how to send `ALTSVC
+<https://tools.ietf.org/html/draft-ietf-httpbis-alt-svc-14>`_ frame.
+
+.. code-block:: c
+
+    typedef struct {
+      const char *origin;
+      const char *field;
+    } alt_svc;
+
+    ssize_t pack_extension_callback(nghttp2_session *session, uint8_t *buf,
+                                    size_t len, const nghttp2_frame *frame,
+                                    void *user_data) {
+      const alt_svc *altsvc = (const alt_svc *)frame->ext.payload;
+      size_t originlen = strlen(altsvc->origin);
+      size_t fieldlen = strlen(altsvc->field);
+
+      uint8_t *p;
+
+      if (len < 2 + originlen + fieldlen || originlen > 0xffff) {
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      p = buf;
+      *p++ = originlen >> 8;
+      *p++ = originlen & 0xff;
+      memcpy(p, altsvc->origin, originlen);
+      p += originlen;
+      memcpy(p, altsvc->field, fieldlen);
+      p += fieldlen;
+
+      return p - buf;
+    }
+
+This implements :type:`nghttp2_pack_extension_callback`.  We have to
+set this callback to :type:`nghttp2_session_callbacks`:
+
+.. code-block:: c
+
+    nghttp2_session_callbacks_set_pack_extension_callback(
+        callbacks, pack_extension_callback);
+
+To send ALTSVC frame, call `nghttp2_submit_extension()`:
+
+.. code-block:: c
+
+  static const alt_svc altsvc = {"example.com", "h2=\":8000\""};
+
+  nghttp2_submit_extension(session, 0xa, NGHTTP2_FLAG_NONE, 0,
+                           (void *)&altsvc);
+
+Notice that ALTSVC is use frame type ``0xa``.
+
+To receive extension frames, implement 2 callbacks:
+:type:`nghttp2_unpack_extension_callback` and
+:type:`nghttp2_on_extension_chunk_recv_callback`.
+:type:`nghttp2_unpack_extension_callback` implements the way how to
+decode wire format.  :type:`nghttp2_on_extension_chunk_recv_callback`
+implements how to buffer the incoming extension payload.  These
+callbacks must be set using
+`nghttp2_session_callbacks_set_unpack_extension_callback()` and
+`nghttp2_session_callbacks_set_on_extension_chunk_recv_callback()`
+respectively.  The application also must tell the library which
+extension frame type it is willing to receive using
+`nghttp2_option_set_user_recv_extension_type()`.  Note that the
+application has to create :type:`nghttp2_option` object for that
+purpose, and initialize session with it.
+
+We use ALTSVC again to illustrate how to receive extension frames.  We
+use different ``alt_svc`` struct than the previous one.
+
+First implement 2 callbacks.  We store incoming ALTSVC payload to
+global variable ``altsvc_buffer``.  Don't do this in production code
+since this is not thread safe:
+
+.. code-block:: c
+
+    typedef struct {
+      const uint8_t *origin;
+      size_t originlen;
+      const uint8_t *field;
+      size_t fieldlen;
+    } alt_svc;
+
+    /* buffers incoming ALTSVC payload */
+    uint8_t altsvc_buffer[4096];
+    /* The length of byte written to altsvc_buffer */
+    size_t altsvc_bufferlen = 0;
+
+    int on_extension_chunk_recv_callback(nghttp2_session *session,
+                                         const nghttp2_frame_hd *hd,
+                                         const uint8_t *data, size_t len,
+                                         void *user_data) {
+      if (sizeof(altsvc_buffer) < altsvc_bufferlen + len) {
+        altsvc_bufferlen = 0;
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      memcpy(altsvc_buffer + altsvc_bufferlen, data, len);
+      altsvc_bufferlen += len;
+
+      return 0;
+    }
+
+    int unpack_extension_callback(nghttp2_session *session, void **payload,
+                                  const nghttp2_frame_hd *hd, void *user_data) {
+      uint8_t *origin, *field;
+      size_t originlen, fieldlen;
+      uint8_t *p, *end;
+      alt_svc *altsvc;
+
+      if (altsvc_bufferlen < 2) {
+        altsvc_bufferlen = 0;
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      p = altsvc_buffer;
+      end = altsvc_buffer + altsvc_bufferlen;
+
+      originlen = ((*p) << 8) + *(p + 1);
+      p += 2;
+
+      if (p + originlen > end) {
+        altsvc_bufferlen = 0;
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      origin = p;
+      field = p + originlen;
+      fieldlen = end - field;
+
+      altsvc = (alt_svc *)malloc(sizeof(alt_svc));
+      altsvc->origin = origin;
+      altsvc->originlen = originlen;
+      altsvc->field = field;
+      altsvc->fieldlen = fieldlen;
+
+      *payload = altsvc;
+
+      altsvc_bufferlen = 0;
+
+      return 0;
+    }
+
+Set these callbacks to :type:`nghttp2_session_callbacks`:
+
+.. code-block:: c
+
+    nghttp2_session_callbacks_set_on_extension_chunk_recv_callback(
+        callbacks, on_extension_chunk_recv_callback);
+
+    nghttp2_session_callbacks_set_unpack_extension_callback(
+        callbacks, unpack_extension_callback);
+
+
+In ``unpack_extension_callback`` above, we set unpacked ``alt_svc``
+object to ``*payload``.  nghttp2 library then, calls
+:type:`nghttp2_on_frame_recv_callback`, and ``*payload`` will be
+available as ``frame->ext.payload``:
+
+.. code-block:: c
+
+    int on_frame_recv_callback(nghttp2_session *session,
+                               const nghttp2_frame *frame, void *user_data) {
+
+      switch (frame->hd.type) {
+      ...
+      case 0xa: {
+        alt_svc *altsvc = (alt_svc *)frame->ext.payload;
+        fprintf(stderr, "ALTSVC frame received\n");
+        fprintf(stderr, " origin: %.*s\n", (int)altsvc->originlen, altsvc->origin);
+        fprintf(stderr, " field : %.*s\n", (int)altsvc->fieldlen, altsvc->field);
+        free(altsvc);
+        break;
+      }
+      }
+
+      return 0;
+    }
+
+Finally, application should set the extension frame types it is
+willing to receive:
+
+.. code-block:: c
+
+    nghttp2_option_set_user_recv_extension_type(option, 0xa);
+
+The :type:`nghttp2_option` must be set to :type:`nghttp2_session` on
+its creation:
+
+.. code-block:: c
+
+    nghttp2_session_client_new2(&session, callbacks, user_data, option);
+
+How to use built-in HTTP/2 extension frame handlers
+---------------------------------------------------
+
+In the previous section, we talked about the user defined HTTP/2
+extension frames.  In this section, we talk about HTTP/2 extension
+frame support built into nghttp2 library.
+
+As of this writing, nghttp2 supports ALTSVC extension frame.  To send
+ALTSVC frame, use `nghttp2_submit_altsvc()` function.
+
+To receive ALTSVC frame through built-in functionality, application
+has to use `nghttp2_option_set_builtin_recv_extension_type()` to
+indicate the willingness of receiving ALTSVC frame:
+
+.. code-block:: c
+
+    nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_ALTSVC);
+
+This is very similar to the case when we used to receive user defined
+frames.
+
+If the same frame type is set using
+`nghttp2_option_set_builtin_recv_extension_type()` and
+`nghttp2_option_set_user_recv_extension_type()`, the latter takes
+precedence.  Application can implement its own frame handler rather
+than using built-in handler.
+
+The :type:`nghttp2_option` must be set to :type:`nghttp2_session` on
+its creation, like so:
+
+.. code-block:: c
+
+    nghttp2_session_client_new2(&session, callbacks, user_data, option);
+
+When ALTSVC is received, :type:`nghttp2_on_frame_recv_callback` will
+be called as usual.
+

doc/sources/building-android-binary.rst

@@ -17,19 +17,16 @@ installed in the following way.  First, let us introduce
 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::
+unpacked:
 
-    $ build/tools/make-standalone-toolchain.sh \
-      --install-dir=$ANDROID_HOME/toolchain \
-      --toolchain=arm-linux-androideabi-4.9 \
-      --llvm-version=3.5 \
-      --platform=android-16
+.. code-block:: text
 
-The additional flag ``--system=linux-x86_64`` may be required if you
-are using x86_64 system.
+    $ build/tools/make_standalone_toolchain.py \
+      --arch arm --api 16 --stl gnustl
+      --install-dir $ANDROID_HOME/toolchain
 
-The platform level is not important here because we don't use Android
-specific C/C++ API.
+The API level (``--api``) is not important here because we don't use
+Android specific C/C++ API.
 
 The dependent libraries, such as OpenSSL and libev should be built
 with the toolchain and installed under ``$ANDROID_HOME/usr/local``.
@@ -45,7 +42,9 @@ 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 ``$ANDROID_HOME/toolchain/bin`` to ``PATH``::
+correct path.  Also add ``$ANDROID_HOME/toolchain/bin`` to ``PATH``:
+
+.. code-block:: text
 
     $ export PATH=$PATH:$ANDROID_HOME/toolchain/bin
 
@@ -66,7 +65,8 @@ To configure OpenSSL, use the following script:
     export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi-
     ./Configure --prefix=$PREFIX android
 
-And run ``make install`` to build and install.
+And run ``make install_sw`` to build and install without
+documentation.
 
 We cannot compile libev without modification.  Apply `this patch
 <https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed>`_ before
@@ -132,24 +132,24 @@ To configure spdylay, use the following script:
     #!/bin/sh -e
 
     if [ -z "$ANDROID_HOME" ]; then
-	echo 'No $ANDROID_HOME specified.'
-	exit 1
+        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"
+        --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.
 
@@ -158,6 +158,8 @@ 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::
+using the following command:
+
+.. code-block:: text
 
     $ arm-linux-androideabi-strip src/nghttpx

doc/sources/contribute.rst

@@ -27,7 +27,7 @@ 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.
+clang-3.6.
 
 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.
@@ -35,7 +35,7 @@ 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
+clang-format-diff-3.6 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.

doc/sources/h2load-howto.rst

@@ -1,50 +1,68 @@
+.. program:: h2load
+
 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.
+:doc:`h2load.1` is benchmarking tool for HTTP/2 and HTTP/1.1.  If
+built with spdylay (http://tatsuhiro-t.github.io/spdylay/) library, it
+also supports SPDY protocol.  It supports SSL/TLS and clear text for
+all supported protocols.
+
+Compiling from source
+---------------------
+
+h2load is compiled alongside nghttp2 and requires that the
+``--enable-apps`` flag is passed to ``./configure`` and `required
+dependencies <https://github.com/nghttp2/nghttp2#requirements>`_ are
+available during compilation. For details on compiling, see `nghttp2:
+Building from Git
+<https://github.com/nghttp2/nghttp2#building-from-git>`_.
 
 Basic Usage
 -----------
 
 In order to set benchmark settings, specify following 3 options.
 
-``-n``
+:option:`-n`
     The number of total requests.  Default: 1
 
-``-c``
+:option:`-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``
+:option:`-m`
+   The max concurrent streams to issue per client.  Default: 1
+
+For SSL/TLS connection, the protocol will be negotiated via ALPN/NPN.
+You can set specific protocols in :option:`--npn-list` option.  For
+cleartext connection, the default protocol is HTTP/2.  To change the
+protocol in cleartext connection, use :option:`--no-tls-proto` option.
+For convenience, :option:`--h1` option forces HTTP/1.1 for both
+cleartext and SSL/TLS connections.
 
 Here is a command-line to perform benchmark to URI \https://localhost
 using total 100000 requests, 100 concurrent clients and 10 max
-concurrent streams::
+concurrent streams:
+
+.. code-block:: text
 
     $ h2load -n100000 -c100 -m10 https://localhost
 
-The benchmarking result looks like this::
+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
+.. code-block:: text
 
-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.
+    finished in 7.08s, 141164.80 req/s, 555.33MB/s
+    requests: 1000000 total, 1000000 started, 1000000 done, 1000000 succeeded, 0 failed, 0 errored, 0 timeout
+    status codes: 1000000 2xx, 0 3xx, 0 4xx, 0 5xx
+    traffic: 4125025824 bytes total, 11023424 bytes headers (space savings 93.07%), 4096000000 bytes data
+                         min         max         mean         sd        +/- sd
+    time for request:    15.31ms    146.85ms     69.78ms      9.26ms    92.43%
+    time for connect:     1.08ms     25.04ms     10.71ms      9.80ms    64.00%
+    time to 1st byte:    25.36ms    184.96ms     79.11ms     53.97ms    78.00%
+    req/s (client)  :    1412.04     1447.84     1426.52       10.57    63.00%
 
-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.
+See the h2load manual page :ref:`h2load-1-output` section for the
+explanation of the above numbers.
 
 Flow Control
 ------------
@@ -54,11 +72,11 @@ benchmarking results.  By default, h2load uses large enough flow
 control window, which effectively disables flow control.  To adjust
 receiver flow control window size, there are following options:
 
-``-w``
+:option:`-w`
    Sets  the stream  level  initial  window size  to
    (2**<N>)-1.  For SPDY, 2**<N> is used instead.
 
-``-W``
+:option:`-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
@@ -68,17 +86,17 @@ Multi-Threading
 ---------------
 
 Sometimes benchmarking client itself becomes a bottleneck.  To remedy
-this situation, use ``-t`` option to specify the number of native
+this situation, use :option:`-t` option to specify the number of native
 thread to use.
 
-``-t``
+:option:`-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.
+change the protocol to use for clear text, use :option:`-p` option.
 
 Multiple URIs
 -------------
@@ -89,3 +107,12 @@ If multiple URIs are specified, they are used in round robin manner.
 
     Please note that h2load uses scheme, host and port in the first URI
     and ignores those parts in the rest of the URIs.
+
+UNIX domain socket
+------------------
+
+To request against UNIX domain socket, use :option:`--base-uri`, and
+specify ``unix:`` followed by the path to UNIX domain socket.  For
+example, if UNIX domain socket is ``/tmp/nghttpx.sock``, use
+``--base-uri=unix:/tmp/nghttpx.sock``.  h2load uses scheme, host and
+port in the first URI in command-line or input file.

doc/sources/index.rst

@@ -6,10 +6,10 @@
 nghttp2 - HTTP/2 C Library
 ============================
 
-This is an experimental implementation of Hypertext Transfer Protocol
-version 2.
+This is an implementation of Hypertext Transfer Protocol version 2.
 
-The project is hosted at `github.com/tatsuhiro-t/nghttp2 <https://github.com/tatsuhiro-t/nghttp2>`_.
+The project is hosted at `github.com/nghttp2/nghttp2
+<https://github.com/nghttp2/nghttp2>`_.
 
 Contents:
 
@@ -37,17 +37,18 @@ Contents:
    asio_http2_server.h
    asio_http2_client.h
    asio_http2.h
-   Source <https://github.com/tatsuhiro-t/nghttp2>
-   Issues <https://github.com/tatsuhiro-t/nghttp2/issues>
+   Source <https://github.com/nghttp2/nghttp2>
+   Issues <https://github.com/nghttp2/nghttp2/issues>
    nghttp2.org <https://nghttp2.org/>
 
 Released Versions
 =================
 
-https://github.com/tatsuhiro-t/nghttp2/releases
+https://github.com/nghttp2/nghttp2/releases
 
 Resources
 ---------
 
 * HTTP/2 https://tools.ietf.org/html/rfc7540
 * HPACK https://tools.ietf.org/html/rfc7541
+* HTTP Alternative Services https://tools.ietf.org/html/rfc7838

doc/sources/nghttpx-howto.rst

@@ -1,83 +1,109 @@
+.. program:: nghttpx
+
 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.
+:doc:`nghttpx.1` 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.
+If nghttpx is invoked without :option:`--http2-proxy`, it operates in
+default mode.  In this mode, it works as reverse proxy (gateway) for
+both HTTP/2 and HTTP/1 clients to backend servers.  This is also known
+as "HTTP/2 router".  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
-frontend protocol selection will is done via ALPN or NPN.
+By default, 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 frontend
+protocol selection will be 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.
+To turn off encryption on frontend connection, use ``no-tls`` keyword
+in :option:`--frontend` option.  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 an 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 can listen on multiple frontend addresses.  This is achieved
+by using multiple :option:`--frontend` options.  For each frontend
+address, TLS can be enabled or disabled.
+
+By default, backend connections are not encrypted.  To enable TLS
+encryption on backend connections, use ``tls`` keyword in
+:option:`--backend` option.  Using patterns and ``proto`` keyword in
+:option:`--backend` option, backend application protocol can be
+specified per host/request path pattern.  It means that you can use
+both HTTP/2 and HTTP/1 in backend connections at the same time.  Note
+that default backend protocol is HTTP/1.1.  To use HTTP/2 in backend,
+you have to specify ``h2`` in ``proto`` keyword in :option:`--backend`
+explicitly.
+
+The backend is supposed to be 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::
+backend Web server is configured to listen to HTTP request at port
+8080 in the same host, run nghttpx command-line like this:
+
+.. code-block:: text
 
     $ 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::
+example, you can send GET request to the server using nghttp:
+
+.. code-block:: text
 
     $ 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.
+If nghttpx is invoked with :option:`--http2-proxy` (or its shorthand
+:option:`-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 proxy server (e.g., Squid, Apache Traffic
+Server).  HTTP/1 request must include absolute URI in request line.
 
 By default, frontend connection is encrypted.  So this mode is also
 called secure proxy.  If nghttpx is linked with spdylay, it supports
 SPDY protocols and it works as so called SPDY proxy.
 
-With ``--frontend-no-tls`` option, SSL/TLS is turned off in frontend
-connection, so the connection gets insecure.
+To turn off encryption on frontend connection, use ``no-tls`` keyword
+in :option:`--frontend` option.
 
-The backend must be HTTP/1 proxy server.  nghttpx supports multiple
-backend server addresses.  It translates incoming requests to HTTP/1
+The backend must be HTTP proxy server.  nghttpx supports multiple
+backend server addresses.  It translates incoming requests to HTTP
 request to backend server.  The backend server performs real proxy
 work for each request, for example, dispatching requests to the origin
 server and caching contents.
 
+The backend connection is not encrypted by default.  To enable
+encryption, use ``tls`` keyword in :option:`--backend` option.  The
+default backend protocol is HTTP/1.1.  To use HTTP/2 in backend
+connection, use :option:`--backend` option, and specify ``h2`` in
+``proto`` keyword explicitly.
+
 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::
+port 8443, and a backend HTTP proxy server is configured to listen to
+HTTP/1 request at port 8080 in the same host, run nghttpx command-line
+like this:
+
+.. code-block:: text
 
     $ 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.
+At the time of this writing, Firefox 41 and Chromium v46 can use
+nghttpx as HTTP/2 proxy.
 
-To make Firefox nightly or Chromium use nghttpx as HTTP/2 or SPDY
-proxy, user has to create proxy.pac script file like this:
+To make Firefox or Chromium use nghttpx as HTTP/2 or SPDY proxy, user
+has to create proxy.pac script file like this:
 
 .. code-block:: javascript
 
@@ -86,158 +112,84 @@ proxy, user has to create proxy.pac script file like this:
     }
 
 ``SERVERADDR`` and ``PORT`` is the hostname/address and port of the
-machine nghttpx is running.  Please note that both Firefox nightly and
+machine nghttpx is running.  Please note that both Firefox and
 Chromium require valid certificate for secure proxy.
 
-For Firefox nightly, open Preference window and select Advanced then
-click Network tab.  Clicking Connection Settings button will show the
+For Firefox, 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::
+to proxy.pac file, something like this:
+
+.. code-block:: text
 
     file:///path/to/proxy.pac
 
-For Chromium, use following command-line::
+For Chromium, use following command-line:
+
+.. code-block:: text
 
     $ google-chrome --proxy-pac-url=file:///path/to/proxy.pac --use-npn
 
 As HTTP/1 proxy server, Squid may work as out-of-box.  Traffic server
 requires to be configured as forward proxy.  Here is the minimum
-configuration items to edit::
+configuration items to edit:
+
+.. code-block:: text
 
     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>`_
+<http://trafficserver.readthedocs.org/en/latest/admin-guide/configuration/transparent-forward-proxying.en.html>`_
 to know how to configure traffic server as forward proxy and its
 security implications.
 
-Client mode
------------
+ALPN support
+------------
 
-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.
+ALPN support requires OpenSSL >= 1.0.2.
 
-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.
+Disable frontend SSL/TLS
+------------------------
 
-By default, the number of backend HTTP/2 connections per worker
-(thread) is determined by number of ``-b`` option.  To adjust this
-value, use ``--backend-http2-connections-per-worker`` option.
+The frontend connections are encrypted with SSL/TLS by default.  To
+turn off SSL/TLS, use ``no-tls`` keyword in :option:`--frontend`
+option.  If this option is used, the private key and certificate are
+not required to run nghttpx.
 
-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::
+Enable backend SSL/TLS
+----------------------
 
-    $ nghttpx --client -f127.0.0.1,8080 -b127.0.0.1,80 --backend-no-tls
+The backend connections are not encrypted by default.  To enable
+SSL/TLS encryption, use ``tls`` keyword in :option:`--backend` option.
 
-.. note::
+Enable SSL/TLS on memcached connection
+--------------------------------------
 
-    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.
+By default, memcached connection is not encrypted.  To enable
+encryption, use ``tls`` keyword in
+:option:`--tls-ticket-key-memcached` for TLS ticket key, and
+:option:`--tls-session-cache-memcached` for TLS session cache.
 
-Then you can use curl to access HTTP/2 server via nghttpx::
+Specifying additional server certificates
+-----------------------------------------
 
-    $ 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.
-
-By default, the number of backend HTTP/2 connections per worker
-(thread) is determined by number of ``-b`` option.  To adjust this
-value, use ``--backend-http2-connections-per-worker`` option.
-
-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.
-
-By default, the number of backend HTTP/2 connections per worker
-(thread) is determined by number of ``-b`` option.  To adjust this
-value, use ``--backend-http2-connections-per-worker`` 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`` and ``--no-host-rewrite`` options to disable
-rewriting location, host and :authority 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.
+nghttpx accepts additional server private key and certificate pairs
+using :option:`--subcert` option.  It can be used multiple times.
 
 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
+To specify CA certificate manually, use :option:`--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.
+are doing, you can use :option:`--insecure` option to disable
+certificate validation.
 
 Read/write rate limit
 ---------------------
@@ -246,9 +198,9 @@ nghttpx supports transfer rate limiting on frontend connections.  You
 can do rate limit per frontend connection for reading and writing
 individually.
 
-To perform rate limit for reading, use ``--read-rate`` and
-``--read-burst`` options.  For writing, use ``--write-rate`` and
-``--write-burst``.
+To perform rate limit for reading, use :option:`--read-rate` and
+:option:`--read-burst` options.  For writing, use
+:option:`--write-rate` and :option:`--write-burst`.
 
 Please note that rate limit is performed on top of TCP and nothing to
 do with HTTP/2 flow control.
@@ -284,20 +236,177 @@ all existing frontend connections are done, the current process will
 exit.  At this point, only new nghttpx process exists and serves
 incoming requests.
 
+If you want to just reload configuration file without executing new
+binary, send SIGHUP to nghttpx master process.
+
 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.
+re-open files specified by :option:`--accesslog-file` and
+:option:`--errorlog-file` options.
+
+Multiple frontend addresses
+---------------------------
+
+nghttpx can listen on multiple frontend addresses.  To specify them,
+just use :option:`--frontend` (or its shorthand :option:`-f`) option
+repeatedly.  TLS can be enabled or disabled per frontend address
+basis.  For example, to listen on port 443 with TLS enabled, and on
+port 80 without TLS:
+
+.. code-block:: text
+
+   frontend=*,443
+   frontend=*,80;no-tls
+
 
 Multiple backend addresses
 --------------------------
 
 nghttpx supports multiple backend addresses.  To specify them, just
-use ``-b`` option repeatedly.  For example, to use backend1:8080 and
-backend2:8080, use command-line like this: ``-bbackend1,8080
--bbackend2,8080``.  For HTTP/2 backend, see also
-``--backend-http2-connections-per-worker`` option.
+use :option:`--backend` (or its shorthand :option:`-b`) option
+repeatedly.  For example, to use ``192.168.0.10:8080`` and
+``192.168.0.11:8080``, use command-line like this:
+``-b192.168.0.10,8080 -b192.168.0.11,8080``.  In configuration file,
+this looks like:
+
+.. code-block:: text
+
+   backend=192.168.0.10,8080
+   backend=192.168.0.11,8008
+
+nghttpx can route request to different backend according to request
+host and path.  For example, to route request destined to host
+``doc.example.com`` to backend server ``docserv:3000``, you can write
+like so:
+
+.. code-block:: text
+
+   backend=docserv,3000;doc.example.com/
+
+When you write this option in command-line, you should enclose
+argument with single or double quotes, since the character ``;`` has a
+special meaning in shell.
+
+To route, request to request path whose prefix is ``/foo`` to backend
+server ``[::1]:8080``, you can write like so:
+
+.. code-block:: text
+
+   backend=::1,8080;/foo
+
+Of course, you can specify both host and request path at the same
+time:
+
+.. code-block:: text
+
+   backend=192.168.0.10,8080;example.com/foo
+
+We can use ``*`` in the left most position of host to achieve wildcard
+suffix match.  If ``*`` is the left most character, then the remaining
+string should match the request host suffix.  ``*`` must match at
+least one character.  For example, ``*.example.com`` matches
+``www.example.com`` and ``dev.example.com``, and does not match
+``example.com`` and ``nghttp2.org``.  The exact match (without ``*``)
+always takes precedence over wildcard match.
+
+One important thing you have to remember is that we have to specify
+default routing pattern for so called "catch all" pattern.  To write
+"catch all" pattern, just specify backend server address, without
+pattern.
+
+Usually, host is the value of ``Host`` header field.  In HTTP/2, the
+value of ``:authority`` pseudo header field is used.
+
+When you write multiple backend addresses sharing the same routing
+pattern, they are used as load balancing.  For example, to use 2
+servers ``serv1:3000`` and ``serv2:3000`` for request host
+``example.com`` and path ``/myservice``, you can write like so:
+
+.. code-block:: text
+
+   backend=serv1,3000;example.com/myservice
+   backend=serv2,3000;example.com/myservice
+
+You can also specify backend application protocol in
+:option:`--backend` option using ``proto`` keyword after pattern.
+Utilizing this allows ngttpx to route certain request to HTTP/2, other
+requests to HTTP/1.  For example, to route requests to ``/ws/`` in
+backend HTTP/1.1 connection, and use backend HTTP/2 for other
+requests, do this:
+
+.. code-block:: text
+
+   backend=serv1,3000;/;proto=h2
+   backend=serv1,3000;/ws/;proto=http/1.1
+
+Note that the backends share the same pattern must have the same
+backend protocol.  The default backend protocol is HTTP/1.1.
+
+TLS can be enabed per pattern basis:
+
+.. code-block:: text
+
+   backend=serv1,8443;/;proto=h2;tls
+   backend=serv2,8080;/ws/;proto=http/1.1
+
+In the above case, connection to serv1 will be encrypted by TLS.  On
+the other hand, connection to serv2 will not be encrypted by TLS.
+
+Migration from nghttpx v1.8.0 or earlier
+----------------------------------------
+
+As of nghttpx 1.9.0, ``--frontend-no-tls`` and ``--backend-no-tls``
+have been removed.
+
+To disable encryption on frontend connection, use ``no-tls`` keyword
+in :option:`--frontend` potion:
+
+.. code-block:: text
+
+   frontend=*,3000;no-tls
+
+The TLS encryption is now disabled on backend connection in all modes
+by default.  To enable encryption on backend connection, use ``tls``
+keyword in :option:`--backend` option:
+
+.. code-block:: text
+
+   backend=127.0.0.1,8080;tls
+
+As of nghttpx 1.9.0, ``--http2-bridge``, ``--client`` and
+``--client-proxy`` options have been removed.  These functionality can
+be used using combinations of options.
+
+Use following option instead of ``--http2-bridge``:
+
+.. code-block:: text
+
+   backend=<ADDR>,<PORT>;;proto=h2;tls
+
+Use following options instead of ``--client``:
+
+.. code-block:: text
+
+   frontend=<ADDR>,<PORT>;no-tls
+   backend=<ADDR>,<PORT>;;proto=h2;tls
+
+Use following options instead of ``--client-proxy``:
+
+.. code-block:: text
+
+   http2-proxy=yes
+   frontend=<ADDR>,<PORT>;no-tls
+   backend=<ADDR>,<PORT>;;proto=h2;tls
+
+We also removed ``--backend-http2-connections-per-worker`` option.  It
+was present because previously the number of backend h2 connection was
+statically configured, and defaulted to 1.  Now the number of backend
+h2 connection is increased on demand.  We know the maximum number of
+concurrent streams per connection.  When we push as many request as
+the maximum concurrency to the one connection, we create another new
+connection so that we can distribute load and avoid delay the request
+processing.  This is done automatically without any configuration.

doc/sources/python-apiref.rst

@@ -13,7 +13,7 @@ The extension module is called ``nghttp2``.
 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``).
+PYTHON=/usr/bin/python3.5``).
 
 HPACK API
 ---------
@@ -136,13 +136,15 @@ 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::
+   We use :py:mod:`asyncio` for HTTP/2 server classes, and ALPN.
+   Therefore, Python 3.5 or later is required to use these objects.
+   To explicitly configure nghttp2 build to use Python 3.5, specify
+   the ``PYTHON`` variable to the path to Python 3.5 executable when
+   invoking configure script like this:
 
-       $ ./configure PYTHON=/usr/bin/python3.4
+   .. code-block:: text
+
+       $ ./configure PYTHON=/usr/bin/python3.5
 
 .. py:class:: HTTP2Server(address, RequestHandlerClass, ssl=None)
 

doc/sources/tutorial-client.rst

@@ -1,25 +1,27 @@
 Tutorial: HTTP/2 client
 =========================
 
-In this tutorial, we are going to write very primitive HTTP/2
+In this tutorial, we are going to write a 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.
+the end of this page.  It also resides in the 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::
+This simple client takes a single HTTPS URI and retrieves the resource
+at the URI. The synopsis is:
+
+.. code-block:: text
 
     $ 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
+The client starts with some libevent and OpenSSL setup in the
+``main()`` and ``run()`` functions. This setup isn't specific to
+nghttp2, but one thing you should look at is setup of the NPN
+callback.  The NPN callback is used by the client to select the next
+application protocol over TLS. In this tutorial, we use the
+`nghttp2_select_next_protocol()` helper function to select the HTTP/2
 protocol the library supports::
 
     static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
@@ -31,8 +33,19 @@ protocol the library supports::
       return SSL_TLSEXT_ERR_OK;
     }
 
-The callback is set to the SSL_CTX object using
-``SSL_CTX_set_next_proto_select_cb()`` function::
+If you are following TLS related RFC, you know that NPN is not the
+standardized way to negotiate HTTP/2.  NPN itself is not event
+published as RFC.  The standard way to negotiate HTTP/2 is ALPN,
+Application-Layer Protocol Negotiation Extension, defined in `RFC 7301
+<https://tools.ietf.org/html/rfc7301>`_.  The one caveat of ALPN is
+that OpenSSL >= 1.0.2 is required.  We use macro to enable/disable
+ALPN support depending on OpenSSL version.  OpenSSL's ALPN
+implementation does not require callback function like the above.  But
+we have to instruct OpenSSL SSL_CTX to use ALPN, which we'll talk
+about soon.
+
+The callback is added to the SSL_CTX object using
+``SSL_CTX_set_next_proto_select_cb()``::
 
     static SSL_CTX *create_ssl_ctx(void) {
       SSL_CTX *ssl_ctx;
@@ -46,11 +59,22 @@ The callback is set to the SSL_CTX object using
                               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);
+
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+      SSL_CTX_set_alpn_protos(ssl_ctx, (const unsigned char *)"\x02h2", 3);
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
       return ssl_ctx;
     }
 
-We use ``http2_session_data`` structure to store the data related to
-the HTTP/2 session::
+Here we see ``SSL_CTX_get_alpn_protos()`` function call.  We instructs
+OpenSSL to notify the server that we support h2, ALPN identifier for
+HTTP/2.
+
+The example client defines a couple of structs:
+
+We define and use a ``http2_session_data`` structure to store data
+related to the HTTP/2 session::
 
     typedef struct {
       nghttp2_session *session;
@@ -59,10 +83,10 @@ the HTTP/2 session::
       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::
+Since this program only handles one URI, it uses only one stream. We
+store the single stream's data in a ``http2_stream_data`` structure
+and the ``stream_data`` points to it. The ``http2_stream_data``
+structure is defined as follows::
 
     typedef struct {
       /* The NULL-terminated URI string to retrieve. */
@@ -82,12 +106,12 @@ defined as follows::
       int32_t stream_id;
     } http2_stream_data;
 
-We creates and initializes these structures in
+We create and initialize 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::
+``initiate_connection()`` is called to start the connection to the
+remote server. It's defined as::
 
     static void initiate_connection(struct event_base *evbase, SSL_CTX *ssl_ctx,
                                     const char *host, uint16_t port,
@@ -110,11 +134,11 @@ the remote server::
       session_data->bev = bev;
     }
 
-We set 3 callbacks for the bufferevent: ``reacb``, ``writecb`` and
-``eventcb``.
+``initiate_connection()`` creates a bufferevent for the connection and
+sets up three callbacks: ``readcb``, ``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
+The ``eventcb()`` is invoked by the libevent event loop when an event
+(e.g. connection has been established, timeout, etc.) occurs on the
 underlying network socket::
 
     static void eventcb(struct bufferevent *bev, short events, void *ptr) {
@@ -122,7 +146,27 @@ underlying network socket::
       if (events & BEV_EVENT_CONNECTED) {
         int fd = bufferevent_getfd(bev);
         int val = 1;
+        const unsigned char *alpn = NULL;
+        unsigned int alpnlen = 0;
+        SSL *ssl;
+
         fprintf(stderr, "Connected\n");
+
+        ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+        SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+        if (alpn == NULL) {
+          SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+        }
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
+        if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+          fprintf(stderr, "h2 is not negotiated\n");
+          delete_http2_session_data(session_data);
+          return;
+        }
+
         setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
         initialize_nghttp2_session(session_data);
         send_client_connection_header(session_data);
@@ -142,11 +186,18 @@ underlying network socket::
       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::
+Here we validate that HTTP/2 is negotiated, and if not, drop
+connection.
+
+For ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR``, and ``BEV_EVENT_TIMEOUT``
+events, we just simply tear down the connection.
+
+The ``BEV_EVENT_CONNECTED`` event is invoked when the SSL/TLS
+handshake has completed successfully. After this we're ready to begin
+communicating via HTTP/2.
+
+The ``initialize_nghttp2_session()`` function initializes the nghttp2
+session object and several callbacks::
 
     static void initialize_nghttp2_session(http2_session_data *session_data) {
       nghttp2_session_callbacks *callbacks;
@@ -175,18 +226,19 @@ finished successfully. We first initialize nghttp2 session object in
       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.
+Since we are creating a client, we use `nghttp2_session_client_new()`
+to initialize the nghttp2 session object.  The callbacks setup are
+explained 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.
+The `delete_http2_session_data()` function destroys ``session_data``
+and frees its bufferevent, so the underlying connection is closed. It
+also calls `nghttp2_session_del()` to delete the nghttp2 session
+object.
 
-We begin HTTP/2 communication by sending client connection preface,
-which is 24 bytes magic byte string (:macro:`NGHTTP2_CLIENT_MAGIC`)
-followed by SETTINGS frame.  First 24 bytes magic string is
-automatically sent by nghttp2 library.  We send SETTINGS frame in
+A HTTP/2 connection begins by sending the client connection preface,
+which is a 24 byte magic byte string (:macro:`NGHTTP2_CLIENT_MAGIC`),
+followed by a SETTINGS frame. The 24 byte magic string is sent
+automatically by nghttp2. We send the SETTINGS frame in
 ``send_client_connection_header()``::
 
     static void send_client_connection_header(http2_session_data *session_data) {
@@ -202,17 +254,17 @@ automatically sent by nghttp2 library.  We send SETTINGS frame in
       }
     }
 
-Here we specify SETTINGS_MAX_CONCURRENT_STREAMS to 100, which is
-really not needed for this tiny example program, 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.
+Here we specify SETTINGS_MAX_CONCURRENT_STREAMS as 100. This is not
+needed for this tiny example program, it just demonstrates use of the
+SETTINGS frame. To queue the SETTINGS frame for transmission, we call
+`nghttp2_submit_settings()`. Note that `nghttp2_submit_settings()`
+only queues the frame for transmission, and doesn't actually send it.
+All ``nghttp2_submit_*()`` family functions have this property. To
+actually send the frame, `nghttp2_session_send()` has to be called,
+which is described (and called) later.
 
-After the transmission of client connection header, we enqueue HTTP
-request in ``submit_request()`` function::
+After the transmission of the client connection header, we enqueue the
+HTTP request in the ``submit_request()`` function::
 
     static void submit_request(http2_session_data *session_data) {
       int32_t stream_id;
@@ -236,17 +288,18 @@ request in ``submit_request()`` function::
       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.
+We build the HTTP request header fields in ``hdrs``, which is an array
+of :type:`nghttp2_nv`. There are four header fields to be sent:
+``:method``, ``:scheme``, ``:authority``, and ``:path``. To queue the
+HTTP request, we call `nghttp2_submit_request()`. The ``stream_data``
+is passed via the *stream_user_data* parameter, which is helpfully
+later passed back to callback functions.
+
 `nghttp2_submit_request()` returns the newly assigned stream ID for
-this request.
+the request.
 
 The next bufferevent callback is ``readcb()``, which is invoked when
-data is available to read in the bufferevent input buffer::
+data is available to read from the bufferevent input buffer::
 
     static void readcb(struct bufferevent *bev, void *ptr) {
       http2_session_data *session_data = (http2_session_data *)ptr;
@@ -261,7 +314,7 @@ data is available to read in the bufferevent input buffer::
         delete_http2_session_data(session_data);
         return;
       }
-      if (evbuffer_drain(input, readlen) != 0) {
+      if (evbuffer_drain(input, (size_t)readlen) != 0) {
         warnx("Fatal error: evbuffer_drain failed");
         delete_http2_session_data(session_data);
         return;
@@ -272,12 +325,13 @@ data is available to read in the bufferevent input buffer::
       }
     }
 
-In this function, we feed all unprocessed, received data to nghttp2
-session object using `nghttp2_session_mem_recv()` function. The
+In this function we feed all unprocessed, received data to the nghttp2
+session object using the `nghttp2_session_mem_recv()` function.
 `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::
+invoke nghttp2 callbacks and queue frames for transmission.  Since
+there may be pending frames for transmission, we call immediately
+``session_send()`` to send them.  ``session_send()`` is defined as
+follows::
 
     static int session_send(http2_session_data *session_data) {
       int rv;
@@ -290,34 +344,34 @@ frames. The ``session_send()`` function is defined as follows::
       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::
+The `nghttp2_session_send()` function serializes pending frames into
+wire format and calls the ``send_callback()`` function to send them.
+``send_callback()`` has type :type:`nghttp2_send_callback` and is
+defined as::
 
     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;
+      return (ssize_t)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.
+data to the non-blocking socket directly using the ``write()`` system
+call, we'd soon receive an ``EAGAIN`` or ``EWOULDBLOCK`` error, since
+sockets have a limited send buffer. If that happens, it's possible to
+return :macro:`NGHTTP2_ERR_WOULDBLOCK` to signal the nghttp2 library
+to stop sending further data. When writing to a bufferevent, you
+should regulate the amount of data written, to avoid possible huge
+memory consumption. In this example client however we don't implement
+a limit. 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::
+all data written in the bufferevent output buffer has been sent::
 
     static void writecb(struct bufferevent *bev _U_, void *ptr) {
       http2_session_data *session_data = (http2_session_data *)ptr;
@@ -329,25 +383,25 @@ all data written in the bufferevent output buffer have been sent::
     }
 
 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.
+so there is no data to write in this function. All we have to do is
+check if the connection should be dropped or not. The nghttp2 session
+object keeps track of reception and transmission of GOAWAY frames and
+other error conditions. Using this information, the nghttp2 session
+object can state whether the connection should be dropped or not.
+More specifically, when both `nghttp2_session_want_read()` and
+`nghttp2_session_want_write()` return 0, the connection is no-longer
+required and can be closed. Since we're using bufferevent and its
+deferred callback option, the bufferevent output buffer may still
+contain pending data when the ``writecb()`` is called. To handle this
+situation, we also check whether the output buffer is empty or not. If
+all of these conditions are met, then we drop the connection.
 
-We have already described about nghttp2 callback ``send_callback()``.
-Let's describe remaining nghttp2 callbacks we setup in
+Now let's look at the remaining nghttp2 callbacks setup in the
 ``initialize_nghttp2_setup()`` function.
 
-Each request header name/value pair is emitted via
-``on_header_callback`` function::
+A server responds to the request by first sending a HEADERS frame.
+The HEADERS frame consists of response header name/value pairs, and
+the ``on_header_callback()`` is called for each name/value pair::
 
     static int on_header_callback(nghttp2_session *session _U_,
                                   const nghttp2_frame *frame, const uint8_t *name,
@@ -367,10 +421,11 @@ Each request header name/value pair is emitted via
       return 0;
     }
 
-In this tutorial, we just print the name/value pair.
+In this tutorial, we just print the name/value pairs on stdout.
 
-After all name/value pairs are emitted for a frame,
-``on_frame_recv_callback`` function is called::
+After the HEADERS frame has been fully received (and thus all response
+header name/value pairs have been received), the
+``on_frame_recv_callback()`` function is called::
 
     static int on_frame_recv_callback(nghttp2_session *session _U_,
                                       const nghttp2_frame *frame, void *user_data) {
@@ -386,13 +441,16 @@ After all name/value pairs are emitted for a frame,
       return 0;
     }
 
-In this tutorial, we are just interested in the HTTP response
-HEADERS. We check the frame type and its category (it should be
-:macro:`NGHTTP2_HCAT_RESPONSE` for HTTP response HEADERS). Also check
-its stream ID.
+``on_frame_recv_callback()`` is called for other frame types too.
 
-The ``on_data_chunk_recv_callback()`` function is invoked when a chunk
-of data is received from the remote peer::
+In this tutorial, we are just interested in the HTTP response HEADERS
+frame. We check the frame type and its category (it should be
+:macro:`NGHTTP2_HCAT_RESPONSE` for HTTP response HEADERS). We also
+check its stream ID.
+
+Next, zero or more DATA frames can be received. 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,
@@ -405,10 +463,10 @@ of data is received from the remote peer::
       return 0;
     }
 
-In our case, a chunk of data is response body. After checking stream
-ID, we just write the received data to the stdout. Note that the
-output in the terminal may be corrupted if the response body contains
-some binary data.
+In our case, a chunk of data is HTTP response body. After checking the
+stream ID, we just write the received data to stdout. Note 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::
@@ -431,9 +489,9 @@ is about to close::
     }
 
 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
+stream is going to be closed. Since we have finished receiving
+resource we wanted (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
+commence 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

@@ -1,118 +1,126 @@
 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`_.
+In this tutorial, we describe basic use of nghttp2's HPACK API.  We
+briefly describe the APIs for deflating and inflating header fields.
+The full example of using these APIs, `deflate.c`_, is attached at the
+end of this page. It also resides in the examples directory in the
+archive or repository.
 
 Deflating (encoding) headers
 ----------------------------
 
-First we need to initialize :type:`nghttp2_hd_deflater` object using
-`nghttp2_hd_deflate_new()` function::
+First we need to initialize a :type:`nghttp2_hd_deflater` object using
+the `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
+This function allocates a :type:`nghttp2_hd_deflater` object,
+initializes it, and assigns its pointer to ``*deflater_ptr``. The
+*deflate_hd_table_bufsize_max* is the upper bound of header table size
+the deflater will use.  This will limit the memory usage by the
+deflater object for the dynamic header table.  If in 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::
+To encode header fields, use the `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.
+`nghttp2_hd_deflate_new()` described above. The encoded byte string is
+written to the buffer *buf*, which has length *buflen*.  The *nva* is
+a pointer to an array of headers fields, each of type
+:type:`nghttp2_nv`.  *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`.
+:type:`nghttp2_nv`. For security sensitive header fields (such as
+cookies), set the :macro:`NGHTTP2_NV_FLAG_NO_INDEX` flag in
+:member:`nghttp2_nv.flags`.  Setting this flag prevents recovery of
+sensitive header fields by compression based attacks: This is achieved
+by not inserting the header field into the dynamic header table.
 
 `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::
+result, otherwise the function will fail.  To estimate the upper bound
+of the encoded result length, use `nghttp2_hd_deflate_bound()`::
 
     size_t nghttp2_hd_deflate_bound(nghttp2_hd_deflater *deflater,
                                     const nghttp2_nv *nva, size_t nvlen);
 
-Pass this function with the same parameters *deflater*, *nva* and
-*nvlen* which will be passed to `nghttp2_hd_deflate_hd()`.
+Pass this function the same parameters (*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.
+Subsequent calls to `nghttp2_hd_deflate_hd()` will use the current
+encoder state and perform differential encoding, which yields HPAC's
+fundamental compression gain.
 
-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.
+If `nghttp2_hd_deflate_hd()` fails, the failure is fatal and any
+further calls with the same deflater object will fail.  Thus it's very
+important to use `nghttp2_hd_deflate_bound()` to determine the
+required size of the output buffer.
 
-To delete :type:`nghttp2_hd_deflater` object, use `nghttp2_hd_deflate_del()`
-function.
+To delete a :type:`nghttp2_hd_deflater` object, use the
+`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()`::
+A :type:`nghttp2_hd_inflater` object is used 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::
+To inflate header data, use `nghttp2_hd_inflate_hd2()`::
 
-    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);
+    ssize_t nghttp2_hd_inflate_hd2(nghttp2_hd_inflater *inflater,
+                                   nghttp2_nv *nv_out, int *inflate_flags,
+                                   const uint8_t *in, size_t inlen,
+                                   int in_final);
+
+`nghttp2_hd_inflate_hd2()` reads a stream of bytes and outputs a
+single header field at a time. Multiple calls are normally required to
+read a full stream of bytes and output all of the header fields.
 
 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.
+is a pointer to a :type:`nghttp2_nv` into which one header field may
+be stored.  The *in* is a pointer to input data, and *inlen* is its
+length.  The caller is not required to specify the whole deflated
+header data via *in* at once: Instead it can call this function
+multiple times as additional data bytes become available.  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 an output parameter; on success the function
+sets it to a bitset of flags.  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.
+happens, the function sets the :macro:`NGHTTP2_HD_INFLATE_EMIT` flag
+in *inflate_flags*, and a header field is stored in *nv_out*.  The
+return value indicates the number of bytes read from *in* processed so
+far, which may be less than *inlen*.  The caller should call the
+function repeatedly until all bytes are processed. Processed bytes
+should be removed from *in*, and *inlen* should be adjusted
+appropriately.
 
 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
+function sets the :macro:`NGHTTP2_HD_INFLATE_FINAL` flag in
+*inflate_flags*.  When you see this flag set, call the
 `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.
+If *in_final* is zero and the :macro:`NGHTTP2_HD_INFLATE_EMIT` flag is
+not set, it indicates that all given data was processed.  The caller
+is required to pass additional 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
+Example usage of `nghttp2_hd_inflate_hd2()` is shown in the
 `inflate_header_block()` function in `deflate.c`_.
 
-To delete :type:`nghttp2_hd_inflater` object, use `nghttp2_hd_inflate_del()`
-function.
+Finally, to delete a :type:`nghttp2_hd_inflater` object, use
+`nghttp2_hd_inflate_del()`.

doc/sources/tutorial-server.rst

@@ -1,30 +1,43 @@
 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.
+In this tutorial, we are going to write a 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.  The source also resides in the 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::
+This simple server takes 3 arguments: The port number to listen on,
+the path to your SSL/TLS private key file, and the path to your
+certificate file.  The synopsis is:
+
+.. code-block:: text
 
     $ 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::
+The server starts with some libevent and OpenSSL setup in the
+``main()`` and ``run()`` functions. This setup isn't specific to
+nghttp2, but one thing you should look at is setup of the NPN
+callback. The NPN callback is used by the server to advertise which
+application protocols the server supports to a client.  In this
+example program, when creating the ``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 lifetime.
+
+If you are following TLS related RFC, you know that NPN is not the
+standardized way to negotiate HTTP/2.  NPN itself is not even
+published as RFC.  The standard way to negotiate HTTP/2 is ALPN,
+Application-Layer Protocol Negotiation Extension, defined in `RFC 7301
+<https://tools.ietf.org/html/rfc7301>`_.  The one caveat of ALPN is
+that OpenSSL >= 1.0.2 is required.  We use macro to enable/disable
+ALPN support depending on OpenSSL version.  In ALPN, client sends the
+list of supported application protocols, and server selects one of
+them.  We provide the callback for it::
 
     static unsigned char next_proto_list[256];
     static size_t next_proto_list_len;
@@ -36,6 +49,22 @@ time::
       return SSL_TLSEXT_ERR_OK;
     }
 
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+    static int alpn_select_proto_cb(SSL *ssl _U_, const unsigned char **out,
+                                    unsigned char *outlen, const unsigned char *in,
+                                    unsigned int inlen, void *arg _U_) {
+      int rv;
+
+      rv = nghttp2_select_next_protocol((unsigned char **)out, outlen, in, inlen);
+
+      if (rv != 1) {
+        return SSL_TLSEXT_ERR_NOACK;
+      }
+
+      return SSL_TLSEXT_ERR_OK;
+    }
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
     static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
       SSL_CTX *ssl_ctx;
       EC_KEY *ecdh;
@@ -50,20 +79,33 @@ time::
       next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
 
       SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+      SSL_CTX_set_alpn_select_cb(ssl_ctx, alpn_select_proto_cb, NULL);
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
       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()``.
+The wire format of NPN is a sequence of length prefixed strings, with
+exactly one byte 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, which is
+exported in the identifier :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::
+In ``alpn_select_proto_cb()``, we use `nghttp2_select_next_protocol()`
+to select application protocol.  The `nghttp2_select_next_protocol()`
+returns 1 only if it selected h2 (ALPN identifier for HTTP/2), and out
+parameters were assigned accordingly.
+
+Next, let's take a look at the main structures used by the example
+application:
+
+We use the ``app_context`` structure to store application-wide data::
 
     struct app_context {
       SSL_CTX *ssl_ctx;
@@ -90,18 +132,21 @@ We use the ``http2_stream_data`` structure to store stream-level data::
       int fd;
     } http2_stream_data;
 
-A single HTTP/2 session can have multiple streams.  We manage these
-multiple streams with a doubly linked list.  The first element of this
-list is pointed to by the ``root->next`` in ``http2_session_data``.
-Initially, ``root->next`` is ``NULL``.  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
+A single HTTP/2 session can have multiple streams.  To manage them, we
+use 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``.
+
+libevent's bufferevent structure is used to perform network I/O, with
+the pointer to the bufferevent stored in the ``http2_session_data``
+structure.  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 the bufferevent in
 ``http2_session_data``.
 
-We first create a listener object to accept incoming connections.  We use
-libevent's ``struct evconnlistener`` for this purpose::
+We first create a listener object to accept incoming connections.
+libevent's ``struct evconnlistener`` is used for this purpose::
 
     static void start_listen(struct event_base *evbase, const char *service,
                              app_context *app_ctx) {
@@ -125,7 +170,7 @@ libevent's ``struct evconnlistener`` for this purpose::
         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);
+            16, rp->ai_addr, (int)rp->ai_addrlen);
         if (listener) {
           freeaddrinfo(res);
 
@@ -135,7 +180,7 @@ libevent's ``struct evconnlistener`` for this purpose::
       errx(1, "Could not start listener");
     }
 
-We specify the ``acceptcb`` callback which is called when a new connection is
+We specify the ``acceptcb`` callback, which is called when a new connection is
 accepted::
 
     static void acceptcb(struct evconnlistener *listener _U_, int fd,
@@ -148,23 +193,43 @@ accepted::
       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
+Here we create the ``http2_session_data`` object. The connection's
+bufferevent is initialized at the same 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
+(e.g. connection has been established, timeout, etc.) occurs 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) {
+        const unsigned char *alpn = NULL;
+        unsigned int alpnlen = 0;
+        SSL *ssl;
+
         fprintf(stderr, "%s connected\n", session_data->client_addr);
 
+        ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+        SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+        if (alpn == NULL) {
+          SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+        }
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
+        if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+          fprintf(stderr, "%s h2 is not negotiated\n", session_data->client_addr);
+          delete_http2_session_data(session_data);
+          return;
+        }
+
         initialize_nghttp2_session(session_data);
 
-        if (send_server_connection_header(session_data) != 0) {
+        if (send_server_connection_header(session_data) != 0 ||
+            session_send(session_data) != 0) {
           delete_http2_session_data(session_data);
           return;
         }
@@ -181,17 +246,22 @@ underlying network socket::
       delete_http2_session_data(session_data);
     }
 
-For the ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR`` and
+Here we validate that HTTP/2 is negotiated, and if not, drop
+connection.
+
+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.
+``http2_session_data`` object and its associated bufferevent member.
+As a result, the underlying connection is closed.
 
-We initialize a nghttp2 session object which is done in
-``initialize_nghttp2_session()``::
+The
+``BEV_EVENT_CONNECTED`` event is invoked when SSL/TLS handshake has
+completed successfully. After this we are ready to begin communicating
+via HTTP/2.
+
+The ``initialize_nghttp2_session()`` function initializes the nghttp2
+session object and several callbacks::
 
     static void initialize_nghttp2_session(http2_session_data *session_data) {
       nghttp2_session_callbacks *callbacks;
@@ -217,13 +287,13 @@ We initialize a nghttp2 session object which is done in
       nghttp2_session_callbacks_del(callbacks);
     }
 
-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.
+Since we are creating a server, we use `nghttp2_session_server_new()`
+to initialize the nghttp2 session object.  We also setup 5 callbacks
+for the nghttp2 session, these are explained later.
 
-After initialization of the nghttp2 session object, we are going to send
-a server connection header in ``send_server_connection_header()``::
+The server now begins by sending the server connection preface, which
+always consists of a SETTINGS frame.
+``send_server_connection_header()`` configures and submits it::
 
     static int send_server_connection_header(http2_session_data *session_data) {
       nghttp2_settings_entry iv[1] = {
@@ -239,11 +309,10 @@ a server connection header in ``send_server_connection_header()``::
       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
+In the example SETTINGS frame we've set
+SETTINGS_MAX_CONCURRENT_STREAMS to 100. `nghttp2_submit_settings()`
+is used to queue the frame for transmission, but note it only queues
+the frame for transmission, and doesn't 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.
@@ -264,7 +333,7 @@ this pending data. To process the received data, we call the
         warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
         return -1;
       }
-      if (evbuffer_drain(input, readlen) != 0) {
+      if (evbuffer_drain(input, (size_t)readlen) != 0) {
         warnx("Fatal error: evbuffer_drain failed");
         return -1;
       }
@@ -274,12 +343,14 @@ this pending data. To process the received data, we call the
       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::
+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 both invoke the previously setup callbacks and also queue
+outgoing frames. To send any pending outgoing frames, we immediately
+call ``session_send()``.
+
+The ``session_send()`` function is defined as follows::
 
     static int session_send(http2_session_data *session_data) {
       int rv;
@@ -292,7 +363,7 @@ frames. The ``session_send()`` function is defined as follows::
     }
 
 The `nghttp2_session_send()` function serializes the frame into wire
-format and calls ``send_callback()`` of type
+format and calls the ``send_callback()``, which is of type
 :type:`nghttp2_send_callback`.  The ``send_callback()`` is defined as
 follows::
 
@@ -306,23 +377,22 @@ follows::
         return NGHTTP2_ERR_WOULDBLOCK;
       }
       bufferevent_write(bev, data, length);
-      return length;
+      return (ssize_t)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.
+data to a non-blocking socket directly using the ``write()`` system
+call in the ``send_callback()``, we'd soon receive an  ``EAGAIN`` or
+``EWOULDBLOCK`` error since sockets have a limited send buffer. If
+that happens, it's possible to return :macro:`NGHTTP2_ERR_WOULDBLOCK`
+to signal the nghttp2 library to stop sending further data. But here,
+when writing to the bufferevent, we have to regulate the amount data
+to 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`.
 
 The next bufferevent callback is ``readcb()``, which is invoked when
 data is available to read in the bufferevent input buffer::
@@ -357,16 +427,18 @@ data in the bufferevent output buffer has been sent::
       }
     }
 
-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.
+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 can state whether the
+connection should be dropped or not. More specifically, if both
+`nghttp2_session_want_read()` and `nghttp2_session_want_write()`
+return 0, the connection is no-longer required and can be closed.
+Since we are using bufferevent and its deferred callback option, the
+bufferevent output buffer may still contain pending data when the
+``writecb()`` is called. To handle this, we check whether the output
+buffer is empty or not. If all of 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
@@ -374,7 +446,7 @@ 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
+learn about the remaining nghttp2 callbacks setup in
 ``initialize_nghttp2_setup()`` function.
 
 The ``on_begin_headers_callback()`` function is invoked when the reception of
@@ -396,13 +468,15 @@ a header block in HEADERS or PUSH_PROMISE frame is started::
       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.
+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()`. The
+``http2_stream_data`` object can later be easily retrieved from the
+stream, 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
@@ -437,10 +511,10 @@ emitted via ``on_header_callback`` function, which is called after
       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.
+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 the ``: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::
@@ -470,15 +544,15 @@ fully received::
       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.
+First we retrieve the ``http2_stream_data`` object associated with the
+stream in ``on_begin_headers_callback()`` 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 using ``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::
+Sending the file content is performed by the ``send_response()`` function::
 
     static int send_response(nghttp2_session *session, int32_t stream_id,
                              nghttp2_nv *nva, size_t nvlen, int fd) {
@@ -495,12 +569,13 @@ Sending the content of the file is done in ``send_response()`` function::
       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::
+nghttp2 uses the :type:`nghttp2_data_provider` structure to send the
+entity body to the remote peer. The ``source`` member of this
+structure is a union, which can be either a void pointer or an int
+(which is intended to be used as file descriptor). In this example
+server, we use it as a 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,
@@ -520,11 +595,11 @@ function to read the contents of the file::
       return r;
     }
 
-If an error happens while reading the file, we return
+If an error occurs 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.
+library to send RST_STREAM to the stream.  When all data has been
+read, the :macro:`NGHTTP2_DATA_FLAG_EOF` flag is set to signal nghttp2
+that we have finished reading the file.
 
 The `nghttp2_submit_response()` function is used to send the response to the
 remote peer.
@@ -546,5 +621,5 @@ is about to close::
       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.
+Lastly, we destroy the ``http2_stream_data`` object in this function,
+since the stream is about to close and we no longer need the object.

examples/CMakeLists.txt

@@ -0,0 +1,53 @@
+if(ENABLE_EXAMPLES)
+  file(GLOB c_sources *.c)
+  set_source_files_properties(${c_sources} PROPERTIES
+    COMPILE_FLAGS "${WARNCFLAGS}")
+  file(GLOB cxx_sources *.cc)
+  set_source_files_properties(${cxx_sources} PROPERTIES
+    COMPILE_FLAGS "${WARNCXXFLAGS} ${CXX1XCXXFLAGS}")
+
+  include_directories(
+    ${CMAKE_SOURCE_DIR}
+    ${CMAKE_SOURCE_DIR}/lib/includes
+    ${CMAKE_BINARY_DIR}/lib/includes
+    ${CMAKE_SOURCE_DIR}/src/includes
+    ${CMAKE_SOURCE_DIR}/third-party
+
+    ${LIBEVENT_INCLUDE_DIRS}
+    ${OPENSSL_INCLUDE_DIRS}
+  )
+
+  link_libraries(
+    nghttp2
+    ${LIBEVENT_OPENSSL_LIBRARIES}
+    ${OPENSSL_LIBRARIES}
+    ${APP_LIBRARIES}
+  )
+
+  add_executable(client           client.c $<TARGET_OBJECTS:http-parser>)
+  add_executable(libevent-client  libevent-client.c $<TARGET_OBJECTS:http-parser>)
+  add_executable(libevent-server  libevent-server.c $<TARGET_OBJECTS:http-parser>)
+  add_executable(deflate          deflate.c $<TARGET_OBJECTS:http-parser>)
+
+  if(ENABLE_TINY_NGHTTPD)
+    add_executable(tiny-nghttpd tiny-nghttpd.c $<TARGET_OBJECTS:http-parser>)
+  endif()
+
+  if(ENABLE_ASIO_LIB)
+    foreach(name asio-sv asio-sv2 asio-cl asio-cl2)
+      add_executable(${name} ${name}.cc $<TARGET_OBJECTS:http-parser>)
+      target_include_directories(${name} PRIVATE
+        ${OPENSSL_INCLUDE_DIRS}
+        ${Boost_INCLUDE_DIRS}
+      )
+      target_link_libraries(${name}
+        nghttp2
+        nghttp2_asio
+        ${JEMALLOC_LIBRARIES}
+        ${OPENSSL_LIBRARIES}
+        ${Boost_LIBRARIES}
+        ${APP_LIBRARIES}
+      )
+    endforeach()
+  endif()
+endif()

examples/Makefile.am

@@ -21,11 +21,13 @@
 # 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 = CMakeLists.txt
+
 if ENABLE_EXAMPLES
 
 AM_CFLAGS = $(WARNCFLAGS)
+AM_CXXFLAGS = $(WARNCXXFLAGS) $(CXX1XCXXFLAGS)
 AM_CPPFLAGS = \
-	-Wall \
 	-I$(top_srcdir)/lib/includes \
 	-I$(top_builddir)/lib/includes \
 	-I$(top_srcdir)/src/includes \
@@ -36,7 +38,8 @@ AM_CPPFLAGS = \
 LDADD = $(top_builddir)/lib/libnghttp2.la \
 	$(top_builddir)/third-party/libhttp-parser.la \
 	@LIBEVENT_OPENSSL_LIBS@ \
-	@OPENSSL_LIBS@
+	@OPENSSL_LIBS@ \
+	@APPLDFLAGS@
 
 noinst_PROGRAMS = client libevent-client libevent-server deflate
 

examples/client.c

@@ -53,6 +53,8 @@
 #include <signal.h>
 #include <stdio.h>
 #include <assert.h>
+#include <string.h>
+#include <errno.h>
 
 #include <nghttp2/nghttp2.h>
 
@@ -124,6 +126,7 @@ static char *strcopy(const char *s, size_t len) {
 /*
  * Prints error message |msg| and exit.
  */
+NGHTTP2_NORETURN
 static void die(const char *msg) {
   fprintf(stderr, "FATAL: %s\n", msg);
   exit(EXIT_FAILURE);
@@ -133,6 +136,7 @@ static void die(const char *msg) {
  * Prints error containing the function name |func| and message |msg|
  * and exit.
  */
+NGHTTP2_NORETURN
 static void dief(const char *func, const char *msg) {
   fprintf(stderr, "FATAL: %s: %s\n", func, msg);
   exit(EXIT_FAILURE);
@@ -142,6 +146,7 @@ static void dief(const char *func, const char *msg) {
  * Prints error containing the function name |func| and error code
  * |error_code| and exit.
  */
+NGHTTP2_NORETURN
 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));
@@ -214,9 +219,9 @@ static int on_frame_send_callback(nghttp2_session *session,
       const nghttp2_nv *nva = frame->headers.nva;
       printf("[INFO] C ----------------------------> S (HEADERS)\n");
       for (i = 0; i < frame->headers.nvlen; ++i) {
-        fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+        fwrite(nva[i].name, 1, nva[i].namelen, stdout);
         printf(": ");
-        fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+        fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
         printf("\n");
       }
     }
@@ -244,9 +249,9 @@ static int on_frame_recv_callback(nghttp2_session *session,
       if (req) {
         printf("[INFO] C <---------------------------- S (HEADERS)\n");
         for (i = 0; i < frame->headers.nvlen; ++i) {
-          fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+          fwrite(nva[i].name, 1, nva[i].namelen, stdout);
           printf(": ");
-          fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+          fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
           printf("\n");
         }
       }
@@ -284,8 +289,6 @@ static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
   return 0;
 }
 
-#define MAX_OUTLEN 4096
-
 /*
  * The implementation of nghttp2_on_data_chunk_recv_callback type. We
  * use this function to print the received response body.
@@ -454,12 +457,11 @@ static void ctl_poll(struct pollfd *pollfd, struct Connection *connection) {
 static void submit_request(struct Connection *connection, struct Request *req) {
   int32_t stream_id;
   /* Make sure that the last item is NULL */
-  const nghttp2_nv nva[] = {MAKE_NV(":method", "GET"),
-                            MAKE_NV_CS(":path", req->path),
-                            MAKE_NV(":scheme", "https"),
-                            MAKE_NV_CS(":authority", req->hostport),
-                            MAKE_NV("accept", "*/*"),
-                            MAKE_NV("user-agent", "nghttp2/" NGHTTP2_VERSION)};
+  const nghttp2_nv nva[] = {
+      MAKE_NV(":method", "GET"), MAKE_NV_CS(":path", req->path),
+      MAKE_NV(":scheme", "https"), MAKE_NV_CS(":authority", req->hostport),
+      MAKE_NV("accept", "*/*"),
+      MAKE_NV("user-agent", "nghttp2/" NGHTTP2_VERSION)};
 
   stream_id = nghttp2_submit_request(connection->session, NULL, nva,
                                      sizeof(nva) / sizeof(nva[0]), NULL, req);
@@ -560,7 +562,11 @@ static void fetch_uri(const struct URI *uri) {
     diec("nghttp2_session_client_new", rv);
   }
 
-  nghttp2_submit_settings(connection.session, NGHTTP2_FLAG_NONE, NULL, 0);
+  rv = nghttp2_submit_settings(connection.session, NGHTTP2_FLAG_NONE, NULL, 0);
+
+  if (rv != 0) {
+    diec("nghttp2_submit_settings", rv);
+  }
 
   /* Submit the HTTP request to the outbound queue. */
   submit_request(&connection, &req);
@@ -657,10 +663,10 @@ static int parse_uri(struct URI *res, const char *uri) {
         return -1;
       }
       offset = i;
-      res->port = port;
+      res->port = (uint16_t)port;
     }
   }
-  res->hostportlen = uri + offset + ipv6addr - res->host;
+  res->hostportlen = (size_t)(uri + offset + ipv6addr - res->host);
   for (i = offset; i < len; ++i) {
     if (uri[i] == '#') {
       break;
@@ -691,8 +697,6 @@ int main(int argc, char **argv) {
 
   SSL_load_error_strings();
   SSL_library_init();
-  OpenSSL_add_all_algorithms();
-  OPENSSL_config(NULL);
 
   rv = parse_uri(&uri, argv[1]);
   if (rv != 0) {

examples/deflate.c

@@ -109,9 +109,9 @@ static void deflate(nghttp2_hd_deflater *deflater,
   printf("Input (%zu byte(s)):\n\n", sum);
 
   for (i = 0; i < nvlen; ++i) {
-    fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+    fwrite(nva[i].name, 1, nva[i].namelen, stdout);
     printf(": ");
-    fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+    fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
     printf("\n");
   }
 
@@ -129,10 +129,10 @@ static void deflate(nghttp2_hd_deflater *deflater,
     exit(EXIT_FAILURE);
   }
 
-  outlen = rv;
+  outlen = (size_t)rv;
 
   printf("\nDeflate (%zu byte(s), ratio %.02f):\n\n", outlen,
-         sum == 0 ? 0 : (double)outlen / sum);
+         sum == 0 ? 0 : (double)outlen / (double)sum);
 
   for (i = 0; i < outlen; ++i) {
     if ((i & 0x0fu) == 0) {
@@ -180,15 +180,15 @@ int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
       return -1;
     }
 
-    proclen = rv;
+    proclen = (size_t)rv;
 
     in += proclen;
     inlen -= proclen;
 
     if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
-      fwrite(nv.name, nv.namelen, 1, stderr);
+      fwrite(nv.name, 1, nv.namelen, stderr);
       fprintf(stderr, ": ");
-      fwrite(nv.value, nv.valuelen, 1, stderr);
+      fwrite(nv.value, 1, nv.valuelen, stderr);
       fprintf(stderr, "\n");
     }
 

examples/libevent-client.c

@@ -52,6 +52,7 @@ char *strndup(const char *s, size_t size);
 #include <err.h>
 #endif
 #include <signal.h>
+#include <string.h>
 
 #include <openssl/ssl.h>
 #include <openssl/err.h>
@@ -109,8 +110,8 @@ static http2_stream_data *create_http2_stream_data(const char *uri,
          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);
+        (size_t)snprintf(stream_data->authority + u->field_data[UF_HOST].len,
+                         extra, ":%u", u->port);
   }
 
   /* If we don't have path in URI, we use "/" as path. */
@@ -120,7 +121,7 @@ static http2_stream_data *create_http2_stream_data(const char *uri,
   }
   if (u->field_set & (1 << UF_QUERY)) {
     /* +1 for '?' character */
-    stream_data->pathlen += u->field_data[UF_QUERY].len + 1;
+    stream_data->pathlen += (size_t)(u->field_data[UF_QUERY].len + 1);
   }
 
   stream_data->path = malloc(stream_data->pathlen);
@@ -178,9 +179,9 @@ static void delete_http2_session_data(http2_session_data *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);
+  fwrite(name, 1, namelen, f);
   fprintf(f, ": ");
-  fwrite(value, valuelen, 1, f);
+  fwrite(value, 1, valuelen, f);
   fprintf(f, "\n");
 }
 
@@ -203,7 +204,7 @@ static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
   http2_session_data *session_data = (http2_session_data *)user_data;
   struct bufferevent *bev = session_data->bev;
   bufferevent_write(bev, data, length);
-  return length;
+  return (ssize_t)length;
 }
 
 /* nghttp2_on_header_callback: Called when nghttp2 library emits
@@ -271,7 +272,7 @@ static int on_data_chunk_recv_callback(nghttp2_session *session _U_,
                                        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);
+    fwrite(data, 1, len, stdout);
   }
   return 0;
 }
@@ -321,6 +322,11 @@ static SSL_CTX *create_ssl_ctx(void) {
                           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);
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+  SSL_CTX_set_alpn_protos(ssl_ctx, (const unsigned char *)"\x02h2", 3);
+#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
   return ssl_ctx;
 }
 
@@ -440,7 +446,7 @@ static void readcb(struct bufferevent *bev, void *ptr) {
     delete_http2_session_data(session_data);
     return;
   }
-  if (evbuffer_drain(input, readlen) != 0) {
+  if (evbuffer_drain(input, (size_t)readlen) != 0) {
     warnx("Fatal error: evbuffer_drain failed");
     delete_http2_session_data(session_data);
     return;
@@ -474,7 +480,27 @@ static void eventcb(struct bufferevent *bev, short events, void *ptr) {
   if (events & BEV_EVENT_CONNECTED) {
     int fd = bufferevent_getfd(bev);
     int val = 1;
+    const unsigned char *alpn = NULL;
+    unsigned int alpnlen = 0;
+    SSL *ssl;
+
     fprintf(stderr, "Connected\n");
+
+    ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+    if (alpn == NULL) {
+      SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+    }
+#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
+    if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+      fprintf(stderr, "h2 is not negotiated\n");
+      delete_http2_session_data(session_data);
+      return;
+    }
+
     setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
     initialize_nghttp2_session(session_data);
     send_client_connection_header(session_data);
@@ -570,8 +596,6 @@ int main(int argc, char **argv) {
 
   SSL_load_error_strings();
   SSL_library_init();
-  OpenSSL_add_all_algorithms();
-  OPENSSL_config(NULL);
 
   run(argv[1]);
   return 0;

examples/libevent-server.c

@@ -59,6 +59,8 @@
 #ifndef __sgi
 #include <err.h>
 #endif
+#include <string.h>
+#include <errno.h>
 
 #include <openssl/ssl.h>
 #include <openssl/err.h>
@@ -114,6 +116,22 @@ static int next_proto_cb(SSL *s _U_, const unsigned char **data,
   return SSL_TLSEXT_ERR_OK;
 }
 
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+static int alpn_select_proto_cb(SSL *ssl _U_, const unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg _U_) {
+  int rv;
+
+  rv = nghttp2_select_next_protocol((unsigned char **)out, outlen, in, inlen);
+
+  if (rv != 1) {
+    return SSL_TLSEXT_ERR_NOACK;
+  }
+
+  return SSL_TLSEXT_ERR_OK;
+}
+#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
 /* Create SSL_CTX. */
 static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
   SSL_CTX *ssl_ctx;
@@ -150,6 +168,11 @@ static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
   next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
 
   SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+  SSL_CTX_set_alpn_select_cb(ssl_ctx, alpn_select_proto_cb, NULL);
+#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
   return ssl_ctx;
 }
 
@@ -220,7 +243,8 @@ static http2_session_data *create_http2_session_data(app_context *app_ctx,
   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);
+  rv = getnameinfo(addr, (socklen_t)addrlen, host, sizeof(host), NULL, 0,
+                   NI_NUMERICHOST);
   if (rv != 0) {
     session_data->client_addr = strdup("(unknown)");
   } else {
@@ -275,7 +299,7 @@ static int session_recv(http2_session_data *session_data) {
     warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
     return -1;
   }
-  if (evbuffer_drain(input, readlen) != 0) {
+  if (evbuffer_drain(input, (size_t)readlen) != 0) {
     warnx("Fatal error: evbuffer_drain failed");
     return -1;
   }
@@ -295,7 +319,7 @@ static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
     return NGHTTP2_ERR_WOULDBLOCK;
   }
   bufferevent_write(bev, data, length);
-  return length;
+  return (ssize_t)length;
 }
 
 /* Returns nonzero if the string |s| ends with the substring |sub| */
@@ -311,13 +335,13 @@ static int ends_with(const char *s, const char *sub) {
 /* 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';
+    return (uint8_t)(c - '0');
   }
   if ('A' <= c && c <= 'F') {
-    return c - 'A' + 10;
+    return (uint8_t)(c - 'A' + 10);
   }
   if ('a' <= c && c <= 'f') {
-    return c - 'a' + 10;
+    return (uint8_t)(c - 'a' + 10);
   }
   return 0;
 }
@@ -335,10 +359,11 @@ static char *percent_decode(const uint8_t *value, size_t valuelen) {
     for (i = 0, j = 0; i < valuelen - 2;) {
       if (value[i] != '%' || !isxdigit(value[i + 1]) ||
           !isxdigit(value[i + 2])) {
-        res[j++] = value[i++];
+        res[j++] = (char)value[i++];
         continue;
       }
-      res[j++] = (hex_to_uint(value[i + 1]) << 4) + hex_to_uint(value[i + 2]);
+      res[j++] =
+          (char)((hex_to_uint(value[i + 1]) << 4) + hex_to_uint(value[i + 2]));
       i += 3;
     }
     memcpy(&res[j], &value[i], 2);
@@ -383,8 +408,8 @@ static int send_response(nghttp2_session *session, int32_t stream_id,
   return 0;
 }
 
-const char ERROR_HTML[] = "<html><head><title>404</title></head>"
-                          "<body><h1>404 Not Found</h1></body></html>";
+static 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) {
@@ -636,11 +661,31 @@ static void writecb(struct bufferevent *bev, void *ptr) {
 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) {
+    const unsigned char *alpn = NULL;
+    unsigned int alpnlen = 0;
+    SSL *ssl;
+
     fprintf(stderr, "%s connected\n", session_data->client_addr);
 
+    ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+    if (alpn == NULL) {
+      SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+    }
+#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
+    if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+      fprintf(stderr, "%s h2 is not negotiated\n", session_data->client_addr);
+      delete_http2_session_data(session_data);
+      return;
+    }
+
     initialize_nghttp2_session(session_data);
 
-    if (send_server_connection_header(session_data) != 0) {
+    if (send_server_connection_header(session_data) != 0 ||
+        session_send(session_data) != 0) {
       delete_http2_session_data(session_data);
       return;
     }
@@ -690,7 +735,7 @@ static void start_listen(struct event_base *evbase, const char *service,
     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);
+        16, rp->ai_addr, (int)rp->ai_addrlen);
     if (listener) {
       freeaddrinfo(res);
 
@@ -738,8 +783,6 @@ int main(int argc, char **argv) {
 
   SSL_load_error_strings();
   SSL_library_init();
-  OpenSSL_add_all_algorithms();
-  OPENSSL_config(NULL);
 
   run(argv[1], argv[2], argv[3]);
   return 0;

examples/tiny-nghttpd.c

@@ -81,9 +81,9 @@
 #define array_size(a) (sizeof((a)) / sizeof((a)[0]))
 
 /* Returns the length of remaning data in buffer */
-#define io_buf_len(iobuf) ((iobuf)->last - (iobuf)->pos)
+#define io_buf_len(iobuf) ((size_t)((iobuf)->last - (iobuf)->pos))
 /* Returns the space buffer can still accept */
-#define io_buf_left(iobuf) ((iobuf)->end - (iobuf)->last)
+#define io_buf_left(iobuf) ((size_t)((iobuf)->end - (iobuf)->last))
 
 typedef struct {
   /* beginning of buffer */
@@ -160,11 +160,11 @@ typedef struct {
 } timer;
 
 /* document root */
-const char *docroot;
+static const char *docroot;
 /* length of docroot */
-size_t docrootlen;
+static size_t docrootlen;
 
-nghttp2_session_callbacks *shared_callbacks;
+static nghttp2_session_callbacks *shared_callbacks;
 
 static int handle_accept(io_loop *loop, uint32_t events, void *ptr);
 static int handle_connection(io_loop *loop, uint32_t events, void *ptr);
@@ -248,7 +248,7 @@ static char *cpydig(char *buf, int n, size_t len) {
 
   p = buf + len - 1;
   do {
-    *p-- = (n % 10) + '0';
+    *p-- = (char)((n % 10) + '0');
     n /= 10;
   } while (p >= buf);
 
@@ -289,13 +289,13 @@ static size_t http_date(char *buf, time_t t) {
   memcpy(p, " GMT", 4);
   p += 4;
 
-  return p - buf;
+  return (size_t)(p - buf);
 }
 
 static char date[29];
-static char datelen;
+static size_t datelen;
 
-static void update_date() { datelen = http_date(date, time(NULL)); }
+static void update_date(void) { datelen = http_date(date, time(NULL)); }
 
 static size_t utos(char *buf, size_t len, uint64_t n) {
   size_t nwrite = 0;
@@ -319,7 +319,7 @@ static size_t utos(char *buf, size_t len, uint64_t n) {
 
   buf += nwrite - 1;
   do {
-    *buf-- = (n % 10) + '0';
+    *buf-- = (char)((n % 10) + '0');
     n /= 10;
   } while (n);
 
@@ -694,7 +694,7 @@ static int send_data_callback(nghttp2_session *session _U_,
       return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
     }
 
-    length -= nread;
+    length -= (size_t)nread;
     p += nread;
   }
 
@@ -730,7 +730,7 @@ static ssize_t resbuf_read_callback(nghttp2_session *session _U_,
                                     nghttp2_data_source *source,
                                     void *user_data _U_) {
   stream *strm = source->ptr;
-  size_t left = strm->res_end - strm->res_begin;
+  size_t left = (size_t)(strm->res_end - strm->res_begin);
   size_t nwrite = length < left ? length : left;
 
   memcpy(buf, strm->res_begin, nwrite);
@@ -740,7 +740,7 @@ static ssize_t resbuf_read_callback(nghttp2_session *session _U_,
     *data_flags |= NGHTTP2_DATA_FLAG_EOF;
   }
 
-  return nwrite;
+  return (ssize_t)nwrite;
 }
 
 static int hex_digit(char c) {
@@ -750,14 +750,14 @@ static int hex_digit(char c) {
 
 static unsigned int hex_to_uint(char c) {
   if (c <= '9') {
-    return c - '0';
+    return (unsigned int)(c - '0');
   }
 
   if (c <= 'F') {
-    return c - 'A' + 10;
+    return (unsigned int)(c - 'A' + 10);
   }
 
-  return c - 'a' + 10;
+  return (unsigned int)(c - 'a' + 10);
 }
 
 static void percent_decode(io_buf *buf, const char *s) {
@@ -767,12 +767,13 @@ static void percent_decode(io_buf *buf, const char *s) {
     }
 
     if (*s == '%' && hex_digit(*(s + 1)) && hex_digit(*(s + 2))) {
-      *buf->last++ = (hex_to_uint(*(s + 1)) << 4) + hex_to_uint(*(s + 2));
+      *buf->last++ =
+          (uint8_t)((hex_to_uint(*(s + 1)) << 4) + hex_to_uint(*(s + 2)));
       s += 2;
       continue;
     }
 
-    *buf->last++ = *s;
+    *buf->last++ = (uint8_t)*s;
   }
 }
 
@@ -807,7 +808,7 @@ static int make_path(io_buf *pathbuf, const char *req, size_t reqlen _U_) {
 
   *pathbuf->last++ = '\0';
 
-  if (!check_path((const char *)p, pathbuf->last - 1 - p)) {
+  if (!check_path((const char *)p, (size_t)(pathbuf->last - 1 - p))) {
 
     return -1;
   }
@@ -958,7 +959,8 @@ static int process_request(stream *strm, connection *conn) {
   strm->fileleft = stbuf.st_size;
 
   lastmodlen = http_date(lastmod, stbuf.st_mtim.tv_sec);
-  contentlengthlen = utos(contentlength, sizeof(contentlength), stbuf.st_size);
+  contentlengthlen =
+      utos(contentlength, sizeof(contentlength), (uint64_t)stbuf.st_size);
 
   nva[nvlen].value = (uint8_t *)contentlength;
   nva[nvlen].valuelen = contentlengthlen;
@@ -1149,7 +1151,7 @@ static int do_read(connection *conn) {
       return -1;
     }
 
-    nproc = nghttp2_session_mem_recv(conn->session, buf, nread);
+    nproc = nghttp2_session_mem_recv(conn->session, buf, (size_t)nread);
 
     if (nproc < 0) {
       return -1;
@@ -1204,13 +1206,13 @@ static int do_write(connection *conn) {
         break;
       }
 
-      if (io_buf_left(&conn->buf) < n) {
+      if (io_buf_left(&conn->buf) < (size_t)n) {
         conn->cache = b;
-        conn->cachelen = n;
+        conn->cachelen = (size_t)n;
         break;
       }
 
-      io_buf_add(&conn->buf, b, n);
+      io_buf_add(&conn->buf, b, (size_t)n);
     }
   }
 }

genauthoritychartbl.py

@@ -0,0 +1,32 @@
+#!/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') 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')

genheaderfunc.py

@@ -17,6 +17,7 @@ HEADERS = [
     "http2-settings",
     "server",
     "via",
+    "forwarded",
     "x-forwarded-for",
     "x-forwarded-proto",
     "alt-svc",
@@ -28,6 +29,8 @@ HEADERS = [
     "accept-language",
     "cache-control",
     "user-agent",
+    "date",
+    "content-type",
     # disallowed h1 headers
     'connection',
     'keep-alive',

genlibtokenlookup.py

@@ -88,7 +88,8 @@ def build_header(headers):
         c = k[-1]
         if c not in ent:
             ent[c] = []
-        ent[c].append(k)
+        if k not in ent[c]:
+            ent[c].append(k)
 
     return res
 
@@ -106,7 +107,7 @@ def gen_enum():
 
 def gen_index_header():
     print '''\
-static inline int lookup_token(const uint8_t *name, size_t namelen) {
+static int32_t lookup_token(const uint8_t *name, size_t namelen) {
   switch (namelen) {'''
     b = build_header(HEADERS)
     for size in sorted(b.keys()):
@@ -121,7 +122,7 @@ static inline int lookup_token(const uint8_t *name, size_t namelen) {
     case '{}':'''.format(c)
             for k in headers:
                 print '''\
-      if (lstreq("{}", name, {})) {{
+      if (memeq("{}", name, {})) {{
         return {};
       }}'''.format(k[:-1], size - 1, to_enum_hd(k))
             print '''\

gennghttpxfun.py

@@ -88,10 +88,64 @@ OPTIONS = [
     "fetch-ocsp-response-file",
     "ocsp-update-interval",
     "no-ocsp",
+    "include",
+    "tls-ticket-key-cipher",
+    "host-rewrite",
+    "tls-session-cache-memcached",
+    "tls-session-cache-memcached-tls",
+    "tls-ticket-key-memcached",
+    "tls-ticket-key-memcached-interval",
+    "tls-ticket-key-memcached-max-retry",
+    "tls-ticket-key-memcached-max-fail",
+    "mruby-file",
+    "accept-proxy-protocol",
+    "conf",
+    "fastopen",
+    "tls-dyn-rec-warmup-threshold",
+    "tls-dyn-rec-idle-timeout",
+    "add-forwarded",
+    "strip-incoming-forwarded",
+    "forwarded-by",
+    "forwarded-for",
+    "response-header-field-buffer",
+    "max-response-header-fields",
+    "request-header-field-buffer",
+    "max-request-header-fields",
     "header-field-buffer",
     "max-header-fields",
-    "include",
-    "conf",
+    "no-http2-cipher-black-list",
+    "backend-http1-tls",
+    "tls-session-cache-memcached-cert-file",
+    "tls-session-cache-memcached-private-key-file",
+    "tls-session-cache-memcached-address-family",
+    "tls-ticket-key-memcached-tls",
+    "tls-ticket-key-memcached-cert-file",
+    "tls-ticket-key-memcached-private-key-file",
+    "tls-ticket-key-memcached-address-family",
+    "backend-address-family",
+    "frontend-http2-max-concurrent-streams",
+    "backend-http2-max-concurrent-streams",
+    "backend-connections-per-frontend",
+    "backend-tls",
+    "backend-connections-per-host",
+    "error-page",
+    "no-kqueue",
+    "frontend-http2-settings-timeout",
+    "backend-http2-settings-timeout",
+    "api-max-request-body",
+    "backend-max-backoff",
+    "server-name",
+    "no-server-rewrite",
+    "frontend-http2-optimize-write-buffer-size",
+    "frontend-http2-optimize-window-size",
+    "frontend-http2-window-size",
+    "frontend-http2-connection-window-size",
+    "backend-http2-window-size",
+    "backend-http2-connection-window-size",
+    "frontend-http2-encoder-dynamic-table-size",
+    "frontend-http2-decoder-dynamic-table-size",
+    "backend-http2-encoder-dynamic-table-size",
+    "backend-http2-decoder-dynamic-table-size",
 ]
 
 LOGVARS = [
@@ -110,6 +164,8 @@ LOGVARS = [
     "ssl_protocol",
     "ssl_session_id",
     "ssl_session_reused",
+    "backend_host",
+    "backend_port",
 ]
 
 if __name__ == '__main__':

help2rst.py

@@ -166,7 +166,8 @@ def format_text(text):
     else:
         text = re.sub(r'\*', r'\*', text)
     # markup option reference
-    text = re.sub(r'(^|\s)(-[a-zA-Z0-9-]+)', r'\1:option:`\2`', text)
+    text = re.sub(r'(^|\s)(-[a-zA-Z0-9]|--[a-zA-Z0-9-]+)',
+                  r'\1:option:`\2`', text)
     # sphinx does not like markup like ':option:`-f`='.  We need
     # backslash between ` and =.
     text = re.sub(r'(:option:`.*?`)(\S)', r'\1\\\2', text)

integration-tests/.gitignore

@@ -1,2 +1,3 @@
 # generated files
 config.go
+setenv

integration-tests/CMakeLists.txt

@@ -0,0 +1,48 @@
+set(GO_FILES
+  nghttpx_http1_test.go
+  nghttpx_http2_test.go
+  nghttpx_spdy_test.go
+  server_tester.go
+)
+
+# XXX unused
+set(EXTRA_DIST
+  ${GO_FILES}
+  server.key
+  server.crt
+  alt-server.key
+  alt-server.crt
+  setenv
+  req-set-header.rb
+  resp-set-header.rb
+  req-return.rb
+  resp-return.rb
+)
+
+add_custom_target(itprep
+  COMMAND go get -d -v golang.org/x/net/http2
+  COMMAND go get -d -v github.com/tatsuhiro-t/go-nghttp2
+  COMMAND go get -d -v github.com/tatsuhiro-t/spdy
+  COMMAND go get -d -v golang.org/x/net/websocket
+)
+
+# 'go test' requires both config.go and the test files in the same directory.
+# For out-of-tree builds, config.go is normally not placed next to the source
+# files, so copy the tests to the build directory as a workaround.
+set(GO_BUILD_FILES)
+if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
+  foreach(gofile IN LISTS GO_FILES)
+    set(outfile "${CMAKE_CURRENT_BINARY_DIR}/${gofile}")
+    add_custom_command(OUTPUT "${outfile}"
+      COMMAND ${CMAKE_COMMAND} -E copy
+              "${CMAKE_CURRENT_SOURCE_DIR}/${gofile}" "${outfile}"
+      DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${gofile}"
+    )
+    list(APPEND GO_BUILD_FILES "${outfile}")
+  endforeach()
+endif()
+
+add_custom_target(it
+  COMMAND sh setenv go test -v
+  DEPENDS ${GO_BUILD_FILES}
+)

integration-tests/Makefile.am

@@ -21,24 +21,31 @@
 # 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 = \
+GO_FILES = \
 	nghttpx_http1_test.go \
 	nghttpx_http2_test.go \
 	nghttpx_spdy_test.go \
-	server_tester.go \
+	server_tester.go
+
+EXTRA_DIST = \
+	CMakeLists.txt \
+	$(GO_FILES) \
 	server.key \
 	server.crt \
 	alt-server.key \
 	alt-server.crt \
-	setenv
-
-.PHONY: itprep it
+	setenv \
+	req-set-header.rb \
+	resp-set-header.rb \
+	req-return.rb \
+	resp-return.rb
 
 itprep:
-	go get -d -v github.com/bradfitz/http2
+	go get -d -v golang.org/x/net/http2
 	go get -d -v github.com/tatsuhiro-t/go-nghttp2
 	go get -d -v github.com/tatsuhiro-t/spdy
 	go get -d -v golang.org/x/net/websocket
 
 it:
+	for i in $(GO_FILES); do [ -e $(builddir)/$$i ] || cp $(srcdir)/$$i $(builddir); done
 	sh setenv go test -v