first commit

nghttp2/examples/CMakeLists.txt

@@ -0,0 +1,57 @@
+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(
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    "${CMAKE_CURRENT_SOURCE_DIR}/../third-party"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../third-party/llhttp/include"
+
+    ${LIBEVENT_INCLUDE_DIRS}
+    ${OPENSSL_INCLUDE_DIRS}
+  )
+
+  link_libraries(
+    nghttp2
+    ${LIBEVENT_OPENSSL_LIBRARIES}
+    ${OPENSSL_LIBRARIES}
+    ${APP_LIBRARIES}
+  )
+
+  add_executable(client           client.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+  add_executable(libevent-client  libevent-client.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+  add_executable(libevent-server  libevent-server.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+  add_executable(deflate          deflate.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+
+  if(ENABLE_ASIO_LIB)
+    foreach(name asio-sv asio-sv2 asio-cl asio-cl2)
+      add_executable(${name} ${name}.cc $<TARGET_OBJECTS:llhttp>
+        $<TARGET_OBJECTS:url-parser>
+      )
+      target_include_directories(${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()

nghttp2/examples/Makefile.am

@@ -0,0 +1,90 @@
+# nghttp2 - HTTP/2 C Library
+
+# Copyright (c) 2012 Tatsuhiro Tsujikawa
+
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+EXTRA_DIST = CMakeLists.txt
+
+if ENABLE_EXAMPLES
+
+AM_CFLAGS = $(WARNCFLAGS)
+AM_CXXFLAGS = $(WARNCXXFLAGS) $(CXX1XCXXFLAGS)
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/lib/includes \
+	-I$(top_builddir)/lib/includes \
+	-I$(top_srcdir)/src/includes \
+	-I$(top_srcdir)/third-party \
+	@LIBEVENT_OPENSSL_CFLAGS@ \
+	@OPENSSL_CFLAGS@ \
+	@DEFS@
+LDADD = $(top_builddir)/lib/libnghttp2.la \
+	$(top_builddir)/third-party/liburl-parser.la \
+	@LIBEVENT_OPENSSL_LIBS@ \
+	@OPENSSL_LIBS@ \
+	@APPLDFLAGS@
+
+noinst_PROGRAMS = client libevent-client libevent-server deflate
+
+client_SOURCES = client.c
+
+libevent_client_SOURCES = libevent-client.c
+
+libevent_server_SOURCES = libevent-server.c
+
+deflate_SOURCES = deflate.c
+
+if ENABLE_ASIO_LIB
+
+noinst_PROGRAMS += asio-sv asio-sv2 asio-cl asio-cl2
+
+# AM_CPPFLAGS must be placed first, so that header file (e.g.,
+# nghttp2/nghttp2.h) in this package is used rather than installed
+# one.
+ASIOCPPFLAGS = ${AM_CPPFLAGS} ${BOOST_CPPFLAGS}
+ASIOLDADD = $(top_builddir)/lib/libnghttp2.la \
+	$(top_builddir)/src/libnghttp2_asio.la @JEMALLOC_LIBS@ \
+	$(top_builddir)/third-party/liburl-parser.la \
+	@OPENSSL_LIBS@ \
+	${BOOST_LDFLAGS} \
+	${BOOST_ASIO_LIB} \
+	${BOOST_THREAD_LIB} \
+	${BOOST_SYSTEM_LIB} \
+	@APPLDFLAGS@
+
+asio_sv_SOURCES = asio-sv.cc
+asio_sv_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv_LDADD = ${ASIOLDADD}
+
+asio_sv2_SOURCES = asio-sv2.cc
+asio_sv2_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_sv2_LDADD = ${ASIOLDADD}
+
+asio_cl_SOURCES = asio-cl.cc
+asio_cl_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_cl_LDADD = ${ASIOLDADD}
+
+asio_cl2_SOURCES = asio-cl2.cc
+asio_cl2_CPPFLAGS = ${ASIOCPPFLAGS}
+asio_cl2_LDADD = ${ASIOLDADD}
+
+endif # ENABLE_ASIO_LIB
+
+endif # ENABLE_EXAMPLES

nghttp2/examples/Makefile.in

@@ -0,0 +1,956 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# nghttp2 - HTTP/2 C Library
+
+# Copyright (c) 2012 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.
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+target_triplet = @target@
+@ENABLE_EXAMPLES_TRUE@noinst_PROGRAMS = client$(EXEEXT) \
+@ENABLE_EXAMPLES_TRUE@	libevent-client$(EXEEXT) \
+@ENABLE_EXAMPLES_TRUE@	libevent-server$(EXEEXT) \
+@ENABLE_EXAMPLES_TRUE@	deflate$(EXEEXT) $(am__EXEEXT_1)
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am__append_1 = asio-sv asio-sv2 asio-cl asio-cl2
+subdir = examples
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_boost_asio.m4 \
+	$(top_srcdir)/m4/ax_boost_base.m4 \
+	$(top_srcdir)/m4/ax_boost_system.m4 \
+	$(top_srcdir)/m4/ax_boost_thread.m4 \
+	$(top_srcdir)/m4/ax_check_compile_flag.m4 \
+	$(top_srcdir)/m4/ax_cxx_compile_stdcxx.m4 \
+	$(top_srcdir)/m4/ax_python_devel.m4 \
+	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
+	$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am__EXEEXT_1 =  \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	asio-sv$(EXEEXT) \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	asio-sv2$(EXEEXT) \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	asio-cl$(EXEEXT) \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	asio-cl2$(EXEEXT)
+PROGRAMS = $(noinst_PROGRAMS)
+am__asio_cl_SOURCES_DIST = asio-cl.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am_asio_cl_OBJECTS = asio_cl-asio-cl.$(OBJEXT)
+asio_cl_OBJECTS = $(am_asio_cl_OBJECTS)
+am__DEPENDENCIES_1 =
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am__DEPENDENCIES_2 = $(top_builddir)/lib/libnghttp2.la \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/src/libnghttp2_asio.la \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(am__DEPENDENCIES_1) \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(am__DEPENDENCIES_1) \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(am__DEPENDENCIES_1) \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(am__DEPENDENCIES_1)
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl_DEPENDENCIES = $(am__DEPENDENCIES_2)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+am__asio_cl2_SOURCES_DIST = asio-cl2.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am_asio_cl2_OBJECTS = asio_cl2-asio-cl2.$(OBJEXT)
+asio_cl2_OBJECTS = $(am_asio_cl2_OBJECTS)
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl2_DEPENDENCIES = $(am__DEPENDENCIES_2)
+am__asio_sv_SOURCES_DIST = asio-sv.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am_asio_sv_OBJECTS = asio_sv-asio-sv.$(OBJEXT)
+asio_sv_OBJECTS = $(am_asio_sv_OBJECTS)
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv_DEPENDENCIES = $(am__DEPENDENCIES_2)
+am__asio_sv2_SOURCES_DIST = asio-sv2.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@am_asio_sv2_OBJECTS = asio_sv2-asio-sv2.$(OBJEXT)
+asio_sv2_OBJECTS = $(am_asio_sv2_OBJECTS)
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv2_DEPENDENCIES = $(am__DEPENDENCIES_2)
+am__client_SOURCES_DIST = client.c
+@ENABLE_EXAMPLES_TRUE@am_client_OBJECTS = client.$(OBJEXT)
+client_OBJECTS = $(am_client_OBJECTS)
+client_LDADD = $(LDADD)
+@ENABLE_EXAMPLES_TRUE@client_DEPENDENCIES =  \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/lib/libnghttp2.la \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la
+am__deflate_SOURCES_DIST = deflate.c
+@ENABLE_EXAMPLES_TRUE@am_deflate_OBJECTS = deflate.$(OBJEXT)
+deflate_OBJECTS = $(am_deflate_OBJECTS)
+deflate_LDADD = $(LDADD)
+@ENABLE_EXAMPLES_TRUE@deflate_DEPENDENCIES =  \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/lib/libnghttp2.la \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la
+am__libevent_client_SOURCES_DIST = libevent-client.c
+@ENABLE_EXAMPLES_TRUE@am_libevent_client_OBJECTS =  \
+@ENABLE_EXAMPLES_TRUE@	libevent-client.$(OBJEXT)
+libevent_client_OBJECTS = $(am_libevent_client_OBJECTS)
+libevent_client_LDADD = $(LDADD)
+@ENABLE_EXAMPLES_TRUE@libevent_client_DEPENDENCIES =  \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/lib/libnghttp2.la \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la
+am__libevent_server_SOURCES_DIST = libevent-server.c
+@ENABLE_EXAMPLES_TRUE@am_libevent_server_OBJECTS =  \
+@ENABLE_EXAMPLES_TRUE@	libevent-server.$(OBJEXT)
+libevent_server_OBJECTS = $(am_libevent_server_OBJECTS)
+libevent_server_LDADD = $(LDADD)
+@ENABLE_EXAMPLES_TRUE@libevent_server_DEPENDENCIES =  \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/lib/libnghttp2.la \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/asio_cl-asio-cl.Po \
+	./$(DEPDIR)/asio_cl2-asio-cl2.Po \
+	./$(DEPDIR)/asio_sv-asio-sv.Po \
+	./$(DEPDIR)/asio_sv2-asio-sv2.Po ./$(DEPDIR)/client.Po \
+	./$(DEPDIR)/deflate.Po ./$(DEPDIR)/libevent-client.Po \
+	./$(DEPDIR)/libevent-server.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
+CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CXXFLAGS) $(CXXFLAGS)
+AM_V_CXX = $(am__v_CXX_@AM_V@)
+am__v_CXX_ = $(am__v_CXX_@AM_DEFAULT_V@)
+am__v_CXX_0 = @echo "  CXX     " $@;
+am__v_CXX_1 = 
+CXXLD = $(CXX)
+CXXLINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
+	$(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CXXLD = $(am__v_CXXLD_@AM_V@)
+am__v_CXXLD_ = $(am__v_CXXLD_@AM_DEFAULT_V@)
+am__v_CXXLD_0 = @echo "  CXXLD   " $@;
+am__v_CXXLD_1 = 
+SOURCES = $(asio_cl_SOURCES) $(asio_cl2_SOURCES) $(asio_sv_SOURCES) \
+	$(asio_sv2_SOURCES) $(client_SOURCES) $(deflate_SOURCES) \
+	$(libevent_client_SOURCES) $(libevent_server_SOURCES)
+DIST_SOURCES = $(am__asio_cl_SOURCES_DIST) \
+	$(am__asio_cl2_SOURCES_DIST) $(am__asio_sv_SOURCES_DIST) \
+	$(am__asio_sv2_SOURCES_DIST) $(am__client_SOURCES_DIST) \
+	$(am__deflate_SOURCES_DIST) \
+	$(am__libevent_client_SOURCES_DIST) \
+	$(am__libevent_server_SOURCES_DIST)
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
+# Read a list of newline-separated strings from the standard input,
+# and print each of them once, without duplicates.  Input order is
+# *not* preserved.
+am__uniquify_input = $(AWK) '\
+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
+  END { if (nonempty) { for (i in items) print i; }; } \
+'
+# Make sure the list of sources is unique.  This is necessary because,
+# e.g., the same source file might be shared among _SOURCES variables
+# for different programs/libraries.
+am__define_uniq_tagged_files = \
+  list='$(am__tagged_files)'; \
+  unique=`for i in $$list; do \
+    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+  done | $(am__uniquify_input)`
+ETAGS = etags
+CTAGS = ctags
+am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+APPLDFLAGS = @APPLDFLAGS@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+BOOST_ASIO_LIB = @BOOST_ASIO_LIB@
+BOOST_CPPFLAGS = @BOOST_CPPFLAGS@
+BOOST_LDFLAGS = @BOOST_LDFLAGS@
+BOOST_SYSTEM_LIB = @BOOST_SYSTEM_LIB@
+BOOST_THREAD_LIB = @BOOST_THREAD_LIB@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CUNIT_CFLAGS = @CUNIT_CFLAGS@
+CUNIT_LIBS = @CUNIT_LIBS@
+CXX = @CXX@
+CXX1XCXXFLAGS = @CXX1XCXXFLAGS@
+CXXCPP = @CXXCPP@
+CXXDEPMODE = @CXXDEPMODE@
+CXXFLAGS = @CXXFLAGS@
+CYGPATH_W = @CYGPATH_W@
+CYTHON = @CYTHON@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+EXTRACFLAG = @EXTRACFLAG@
+FGREP = @FGREP@
+GREP = @GREP@
+HAVE_CXX14 = @HAVE_CXX14@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+JANSSON_CFLAGS = @JANSSON_CFLAGS@
+JANSSON_LIBS = @JANSSON_LIBS@
+JEMALLOC_LIBS = @JEMALLOC_LIBS@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBCARES_CFLAGS = @LIBCARES_CFLAGS@
+LIBCARES_LIBS = @LIBCARES_LIBS@
+LIBEVENT_OPENSSL_CFLAGS = @LIBEVENT_OPENSSL_CFLAGS@
+LIBEVENT_OPENSSL_LIBS = @LIBEVENT_OPENSSL_LIBS@
+LIBEV_CFLAGS = @LIBEV_CFLAGS@
+LIBEV_LIBS = @LIBEV_LIBS@
+LIBMRUBY_CFLAGS = @LIBMRUBY_CFLAGS@
+LIBMRUBY_LIBS = @LIBMRUBY_LIBS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBXML2_CFLAGS = @LIBXML2_CFLAGS@
+LIBXML2_LIBS = @LIBXML2_LIBS@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+LT_AGE = @LT_AGE@
+LT_CURRENT = @LT_CURRENT@
+LT_REVISION = @LT_REVISION@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OPENSSL_CFLAGS = @OPENSSL_CFLAGS@
+OPENSSL_LIBS = @OPENSSL_LIBS@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PACKAGE_VERSION_NUM = @PACKAGE_VERSION_NUM@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PYTHON = @PYTHON@
+PYTHON_CPPFLAGS = @PYTHON_CPPFLAGS@
+PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@
+PYTHON_EXTRA_LDFLAGS = @PYTHON_EXTRA_LDFLAGS@
+PYTHON_EXTRA_LIBS = @PYTHON_EXTRA_LIBS@
+PYTHON_LIBS = @PYTHON_LIBS@
+PYTHON_PLATFORM = @PYTHON_PLATFORM@
+PYTHON_PREFIX = @PYTHON_PREFIX@
+PYTHON_SITE_PKG = @PYTHON_SITE_PKG@
+PYTHON_VERSION = @PYTHON_VERSION@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+SYSTEMD_CFLAGS = @SYSTEMD_CFLAGS@
+SYSTEMD_LIBS = @SYSTEMD_LIBS@
+TESTLDADD = @TESTLDADD@
+VERSION = @VERSION@
+WARNCFLAGS = @WARNCFLAGS@
+WARNCXXFLAGS = @WARNCXXFLAGS@
+ZLIB_CFLAGS = @ZLIB_CFLAGS@
+ZLIB_LIBS = @ZLIB_LIBS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+pkgpyexecdir = @pkgpyexecdir@
+pkgpythondir = @pkgpythondir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+pyexecdir = @pyexecdir@
+pythondir = @pythondir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target = @target@
+target_alias = @target_alias@
+target_cpu = @target_cpu@
+target_os = @target_os@
+target_vendor = @target_vendor@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+EXTRA_DIST = CMakeLists.txt
+@ENABLE_EXAMPLES_TRUE@AM_CFLAGS = $(WARNCFLAGS)
+@ENABLE_EXAMPLES_TRUE@AM_CXXFLAGS = $(WARNCXXFLAGS) $(CXX1XCXXFLAGS)
+@ENABLE_EXAMPLES_TRUE@AM_CPPFLAGS = \
+@ENABLE_EXAMPLES_TRUE@	-I$(top_srcdir)/lib/includes \
+@ENABLE_EXAMPLES_TRUE@	-I$(top_builddir)/lib/includes \
+@ENABLE_EXAMPLES_TRUE@	-I$(top_srcdir)/src/includes \
+@ENABLE_EXAMPLES_TRUE@	-I$(top_srcdir)/third-party \
+@ENABLE_EXAMPLES_TRUE@	@LIBEVENT_OPENSSL_CFLAGS@ \
+@ENABLE_EXAMPLES_TRUE@	@OPENSSL_CFLAGS@ \
+@ENABLE_EXAMPLES_TRUE@	@DEFS@
+
+@ENABLE_EXAMPLES_TRUE@LDADD = $(top_builddir)/lib/libnghttp2.la \
+@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la \
+@ENABLE_EXAMPLES_TRUE@	@LIBEVENT_OPENSSL_LIBS@ \
+@ENABLE_EXAMPLES_TRUE@	@OPENSSL_LIBS@ \
+@ENABLE_EXAMPLES_TRUE@	@APPLDFLAGS@
+
+@ENABLE_EXAMPLES_TRUE@client_SOURCES = client.c
+@ENABLE_EXAMPLES_TRUE@libevent_client_SOURCES = libevent-client.c
+@ENABLE_EXAMPLES_TRUE@libevent_server_SOURCES = libevent-server.c
+@ENABLE_EXAMPLES_TRUE@deflate_SOURCES = deflate.c
+
+# AM_CPPFLAGS must be placed first, so that header file (e.g.,
+# nghttp2/nghttp2.h) in this package is used rather than installed
+# one.
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@ASIOCPPFLAGS = ${AM_CPPFLAGS} ${BOOST_CPPFLAGS}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@ASIOLDADD = $(top_builddir)/lib/libnghttp2.la \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/src/libnghttp2_asio.la @JEMALLOC_LIBS@ \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	$(top_builddir)/third-party/liburl-parser.la \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	@OPENSSL_LIBS@ \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	${BOOST_LDFLAGS} \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	${BOOST_ASIO_LIB} \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	${BOOST_THREAD_LIB} \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	${BOOST_SYSTEM_LIB} \
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@	@APPLDFLAGS@
+
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv_SOURCES = asio-sv.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv_CPPFLAGS = ${ASIOCPPFLAGS}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv_LDADD = ${ASIOLDADD}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv2_SOURCES = asio-sv2.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv2_CPPFLAGS = ${ASIOCPPFLAGS}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_sv2_LDADD = ${ASIOLDADD}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl_SOURCES = asio-cl.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl_CPPFLAGS = ${ASIOCPPFLAGS}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl_LDADD = ${ASIOLDADD}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl2_SOURCES = asio-cl2.cc
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl2_CPPFLAGS = ${ASIOCPPFLAGS}
+@ENABLE_ASIO_LIB_TRUE@@ENABLE_EXAMPLES_TRUE@asio_cl2_LDADD = ${ASIOLDADD}
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .cc .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu examples/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu examples/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+asio-cl$(EXEEXT): $(asio_cl_OBJECTS) $(asio_cl_DEPENDENCIES) $(EXTRA_asio_cl_DEPENDENCIES) 
+	@rm -f asio-cl$(EXEEXT)
+	$(AM_V_CXXLD)$(CXXLINK) $(asio_cl_OBJECTS) $(asio_cl_LDADD) $(LIBS)
+
+asio-cl2$(EXEEXT): $(asio_cl2_OBJECTS) $(asio_cl2_DEPENDENCIES) $(EXTRA_asio_cl2_DEPENDENCIES) 
+	@rm -f asio-cl2$(EXEEXT)
+	$(AM_V_CXXLD)$(CXXLINK) $(asio_cl2_OBJECTS) $(asio_cl2_LDADD) $(LIBS)
+
+asio-sv$(EXEEXT): $(asio_sv_OBJECTS) $(asio_sv_DEPENDENCIES) $(EXTRA_asio_sv_DEPENDENCIES) 
+	@rm -f asio-sv$(EXEEXT)
+	$(AM_V_CXXLD)$(CXXLINK) $(asio_sv_OBJECTS) $(asio_sv_LDADD) $(LIBS)
+
+asio-sv2$(EXEEXT): $(asio_sv2_OBJECTS) $(asio_sv2_DEPENDENCIES) $(EXTRA_asio_sv2_DEPENDENCIES) 
+	@rm -f asio-sv2$(EXEEXT)
+	$(AM_V_CXXLD)$(CXXLINK) $(asio_sv2_OBJECTS) $(asio_sv2_LDADD) $(LIBS)
+
+client$(EXEEXT): $(client_OBJECTS) $(client_DEPENDENCIES) $(EXTRA_client_DEPENDENCIES) 
+	@rm -f client$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(client_OBJECTS) $(client_LDADD) $(LIBS)
+
+deflate$(EXEEXT): $(deflate_OBJECTS) $(deflate_DEPENDENCIES) $(EXTRA_deflate_DEPENDENCIES) 
+	@rm -f deflate$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(deflate_OBJECTS) $(deflate_LDADD) $(LIBS)
+
+libevent-client$(EXEEXT): $(libevent_client_OBJECTS) $(libevent_client_DEPENDENCIES) $(EXTRA_libevent_client_DEPENDENCIES) 
+	@rm -f libevent-client$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(libevent_client_OBJECTS) $(libevent_client_LDADD) $(LIBS)
+
+libevent-server$(EXEEXT): $(libevent_server_OBJECTS) $(libevent_server_DEPENDENCIES) $(EXTRA_libevent_server_DEPENDENCIES) 
+	@rm -f libevent-server$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(libevent_server_OBJECTS) $(libevent_server_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asio_cl-asio-cl.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asio_cl2-asio-cl2.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asio_sv-asio-sv.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asio_sv2-asio-sv2.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/client.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/deflate.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libevent-client.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libevent-server.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+.cc.o:
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCXX_TRUE@	$(CXXCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCXX_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $<
+
+.cc.obj:
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCXX_TRUE@	$(CXXCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCXX_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.cc.lo:
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCXX_TRUE@	$(LTCXXCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCXX_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(LTCXXCOMPILE) -c -o $@ $<
+
+asio_cl-asio-cl.o: asio-cl.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_cl-asio-cl.o -MD -MP -MF $(DEPDIR)/asio_cl-asio-cl.Tpo -c -o asio_cl-asio-cl.o `test -f 'asio-cl.cc' || echo '$(srcdir)/'`asio-cl.cc
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_cl-asio-cl.Tpo $(DEPDIR)/asio_cl-asio-cl.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-cl.cc' object='asio_cl-asio-cl.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_cl-asio-cl.o `test -f 'asio-cl.cc' || echo '$(srcdir)/'`asio-cl.cc
+
+asio_cl-asio-cl.obj: asio-cl.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_cl-asio-cl.obj -MD -MP -MF $(DEPDIR)/asio_cl-asio-cl.Tpo -c -o asio_cl-asio-cl.obj `if test -f 'asio-cl.cc'; then $(CYGPATH_W) 'asio-cl.cc'; else $(CYGPATH_W) '$(srcdir)/asio-cl.cc'; fi`
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_cl-asio-cl.Tpo $(DEPDIR)/asio_cl-asio-cl.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-cl.cc' object='asio_cl-asio-cl.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_cl-asio-cl.obj `if test -f 'asio-cl.cc'; then $(CYGPATH_W) 'asio-cl.cc'; else $(CYGPATH_W) '$(srcdir)/asio-cl.cc'; fi`
+
+asio_cl2-asio-cl2.o: asio-cl2.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_cl2-asio-cl2.o -MD -MP -MF $(DEPDIR)/asio_cl2-asio-cl2.Tpo -c -o asio_cl2-asio-cl2.o `test -f 'asio-cl2.cc' || echo '$(srcdir)/'`asio-cl2.cc
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_cl2-asio-cl2.Tpo $(DEPDIR)/asio_cl2-asio-cl2.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-cl2.cc' object='asio_cl2-asio-cl2.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_cl2-asio-cl2.o `test -f 'asio-cl2.cc' || echo '$(srcdir)/'`asio-cl2.cc
+
+asio_cl2-asio-cl2.obj: asio-cl2.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_cl2-asio-cl2.obj -MD -MP -MF $(DEPDIR)/asio_cl2-asio-cl2.Tpo -c -o asio_cl2-asio-cl2.obj `if test -f 'asio-cl2.cc'; then $(CYGPATH_W) 'asio-cl2.cc'; else $(CYGPATH_W) '$(srcdir)/asio-cl2.cc'; fi`
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_cl2-asio-cl2.Tpo $(DEPDIR)/asio_cl2-asio-cl2.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-cl2.cc' object='asio_cl2-asio-cl2.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_cl2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_cl2-asio-cl2.obj `if test -f 'asio-cl2.cc'; then $(CYGPATH_W) 'asio-cl2.cc'; else $(CYGPATH_W) '$(srcdir)/asio-cl2.cc'; fi`
+
+asio_sv-asio-sv.o: asio-sv.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_sv-asio-sv.o -MD -MP -MF $(DEPDIR)/asio_sv-asio-sv.Tpo -c -o asio_sv-asio-sv.o `test -f 'asio-sv.cc' || echo '$(srcdir)/'`asio-sv.cc
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_sv-asio-sv.Tpo $(DEPDIR)/asio_sv-asio-sv.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-sv.cc' object='asio_sv-asio-sv.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_sv-asio-sv.o `test -f 'asio-sv.cc' || echo '$(srcdir)/'`asio-sv.cc
+
+asio_sv-asio-sv.obj: asio-sv.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_sv-asio-sv.obj -MD -MP -MF $(DEPDIR)/asio_sv-asio-sv.Tpo -c -o asio_sv-asio-sv.obj `if test -f 'asio-sv.cc'; then $(CYGPATH_W) 'asio-sv.cc'; else $(CYGPATH_W) '$(srcdir)/asio-sv.cc'; fi`
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_sv-asio-sv.Tpo $(DEPDIR)/asio_sv-asio-sv.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-sv.cc' object='asio_sv-asio-sv.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_sv-asio-sv.obj `if test -f 'asio-sv.cc'; then $(CYGPATH_W) 'asio-sv.cc'; else $(CYGPATH_W) '$(srcdir)/asio-sv.cc'; fi`
+
+asio_sv2-asio-sv2.o: asio-sv2.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_sv2-asio-sv2.o -MD -MP -MF $(DEPDIR)/asio_sv2-asio-sv2.Tpo -c -o asio_sv2-asio-sv2.o `test -f 'asio-sv2.cc' || echo '$(srcdir)/'`asio-sv2.cc
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_sv2-asio-sv2.Tpo $(DEPDIR)/asio_sv2-asio-sv2.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-sv2.cc' object='asio_sv2-asio-sv2.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_sv2-asio-sv2.o `test -f 'asio-sv2.cc' || echo '$(srcdir)/'`asio-sv2.cc
+
+asio_sv2-asio-sv2.obj: asio-sv2.cc
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT asio_sv2-asio-sv2.obj -MD -MP -MF $(DEPDIR)/asio_sv2-asio-sv2.Tpo -c -o asio_sv2-asio-sv2.obj `if test -f 'asio-sv2.cc'; then $(CYGPATH_W) 'asio-sv2.cc'; else $(CYGPATH_W) '$(srcdir)/asio-sv2.cc'; fi`
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/asio_sv2-asio-sv2.Tpo $(DEPDIR)/asio_sv2-asio-sv2.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='asio-sv2.cc' object='asio_sv2-asio-sv2.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(asio_sv2_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o asio_sv2-asio-sv2.obj `if test -f 'asio-sv2.cc'; then $(CYGPATH_W) 'asio-sv2.cc'; else $(CYGPATH_W) '$(srcdir)/asio-sv2.cc'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/asio_cl-asio-cl.Po
+	-rm -f ./$(DEPDIR)/asio_cl2-asio-cl2.Po
+	-rm -f ./$(DEPDIR)/asio_sv-asio-sv.Po
+	-rm -f ./$(DEPDIR)/asio_sv2-asio-sv2.Po
+	-rm -f ./$(DEPDIR)/client.Po
+	-rm -f ./$(DEPDIR)/deflate.Po
+	-rm -f ./$(DEPDIR)/libevent-client.Po
+	-rm -f ./$(DEPDIR)/libevent-server.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/asio_cl-asio-cl.Po
+	-rm -f ./$(DEPDIR)/asio_cl2-asio-cl2.Po
+	-rm -f ./$(DEPDIR)/asio_sv-asio-sv.Po
+	-rm -f ./$(DEPDIR)/asio_sv2-asio-sv2.Po
+	-rm -f ./$(DEPDIR)/client.Po
+	-rm -f ./$(DEPDIR)/deflate.Po
+	-rm -f ./$(DEPDIR)/libevent-client.Po
+	-rm -f ./$(DEPDIR)/libevent-server.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

nghttp2/examples/asio-cl.cc

@@ -0,0 +1,96 @@
+/*
+ * 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.
+ */
+
+#include <iostream>
+
+#include <nghttp2/asio_http2_client.h>
+
+using boost::asio::ip::tcp;
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::client;
+
+int main(int argc, char *argv[]) {
+  try {
+    if (argc < 2) {
+      std::cerr << "Usage: asio-cl URI" << std::endl;
+      return 1;
+    }
+    boost::system::error_code ec;
+    boost::asio::io_service io_service;
+
+    std::string uri = argv[1];
+    std::string scheme, host, service;
+
+    if (host_service_from_uri(ec, scheme, host, service, uri)) {
+      std::cerr << "error: bad URI: " << ec.message() << std::endl;
+      return 1;
+    }
+
+    boost::asio::ssl::context tls_ctx(boost::asio::ssl::context::sslv23);
+    tls_ctx.set_default_verify_paths();
+    // disabled to make development easier...
+    // tls_ctx.set_verify_mode(boost::asio::ssl::verify_peer);
+    configure_tls_context(ec, tls_ctx);
+
+    auto sess = scheme == "https" ? session(io_service, tls_ctx, host, service)
+                                  : session(io_service, host, service);
+
+    sess.on_connect([&sess, &uri](tcp::resolver::iterator endpoint_it) {
+      boost::system::error_code ec;
+      auto req = sess.submit(ec, "GET", uri);
+
+      if (ec) {
+        std::cerr << "error: " << ec.message() << std::endl;
+        return;
+      }
+
+      req->on_response([](const response &res) {
+        std::cerr << "HTTP/2 " << res.status_code() << std::endl;
+        for (auto &kv : res.header()) {
+          std::cerr << kv.first << ": " << kv.second.value << "\n";
+        }
+        std::cerr << std::endl;
+
+        res.on_data([](const uint8_t *data, std::size_t len) {
+          std::cerr.write(reinterpret_cast<const char *>(data), len);
+          std::cerr << std::endl;
+        });
+      });
+
+      req->on_close([&sess](uint32_t error_code) { sess.shutdown(); });
+    });
+
+    sess.on_error([](const boost::system::error_code &ec) {
+      std::cerr << "error: " << ec.message() << std::endl;
+    });
+
+    io_service.run();
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

nghttp2/examples/asio-cl2.cc

@@ -0,0 +1,134 @@
+/*
+ * 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.
+ */
+
+#include <iostream>
+#include <string>
+
+#include <nghttp2/asio_http2_client.h>
+
+using boost::asio::ip::tcp;
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::client;
+
+void print_header(const header_map &h) {
+  for (auto &kv : h) {
+    std::cerr << kv.first << ": " << kv.second.value << "\n";
+  }
+  std::cerr << std::endl;
+}
+
+void print_header(const response &res) {
+  std::cerr << "HTTP/2 " << res.status_code() << "\n";
+  print_header(res.header());
+}
+
+void print_header(const request &req) {
+  auto &uri = req.uri();
+  std::cerr << req.method() << " " << uri.scheme << "://" << uri.host
+            << uri.path;
+  if (!uri.raw_query.empty()) {
+    std::cerr << "?" << uri.raw_query;
+  }
+  std::cerr << " HTTP/2\n";
+  print_header(req.header());
+}
+
+int main(int argc, char *argv[]) {
+  try {
+    if (argc < 2) {
+      std::cerr << "Usage: asio-cl URI" << std::endl;
+      return 1;
+    }
+    boost::system::error_code ec;
+    boost::asio::io_service io_service;
+
+    std::string uri = argv[1];
+    std::string scheme, host, service;
+
+    if (host_service_from_uri(ec, scheme, host, service, uri)) {
+      std::cerr << "error: bad URI: " << ec.message() << std::endl;
+      return 1;
+    }
+
+    boost::asio::ssl::context tls_ctx(boost::asio::ssl::context::sslv23);
+    tls_ctx.set_default_verify_paths();
+    // disabled to make development easier...
+    // tls_ctx.set_verify_mode(boost::asio::ssl::verify_peer);
+    configure_tls_context(ec, tls_ctx);
+
+    auto sess = scheme == "https" ? session(io_service, tls_ctx, host, service)
+                                  : session(io_service, host, service);
+
+    sess.on_connect([&sess, &uri](tcp::resolver::iterator endpoint_it) {
+      std::cerr << "connected to " << (*endpoint_it).endpoint() << std::endl;
+      boost::system::error_code ec;
+      auto req = sess.submit(ec, "GET", uri, {{"cookie", {"foo=bar", true}}});
+      if (ec) {
+        std::cerr << "error: " << ec.message() << std::endl;
+        return;
+      }
+
+      req->on_response([](const response &res) {
+        std::cerr << "response header was received" << std::endl;
+        print_header(res);
+
+        res.on_data([](const uint8_t *data, std::size_t len) {
+          std::cerr.write(reinterpret_cast<const char *>(data), len);
+          std::cerr << std::endl;
+        });
+      });
+
+      req->on_close([](uint32_t error_code) {
+        std::cerr << "request done with error_code=" << error_code << std::endl;
+      });
+
+      req->on_push([](const request &push_req) {
+        std::cerr << "push request was received" << std::endl;
+
+        print_header(push_req);
+
+        push_req.on_response([](const response &res) {
+          std::cerr << "push response header was received" << std::endl;
+
+          res.on_data([](const uint8_t *data, std::size_t len) {
+            std::cerr.write(reinterpret_cast<const char *>(data), len);
+            std::cerr << std::endl;
+          });
+        });
+      });
+    });
+
+    sess.on_error([](const boost::system::error_code &ec) {
+      std::cerr << "error: " << ec.message() << std::endl;
+    });
+
+    io_service.run();
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

nghttp2/examples/asio-sv.cc

@@ -0,0 +1,149 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+// We wrote this code based on the original code which has the
+// following license:
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <string>
+
+#include <nghttp2/asio_http2_server.h>
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::server;
+
+int main(int argc, char *argv[]) {
+  try {
+    // Check command line arguments.
+    if (argc < 4) {
+      std::cerr
+          << "Usage: asio-sv <address> <port> <threads> [<private-key-file> "
+          << "<cert-file>]\n";
+      return 1;
+    }
+
+    boost::system::error_code ec;
+
+    std::string addr = argv[1];
+    std::string port = argv[2];
+    std::size_t num_threads = std::stoi(argv[3]);
+
+    http2 server;
+
+    server.num_threads(num_threads);
+
+    server.handle("/", [](const request &req, const response &res) {
+      res.write_head(200, {{"foo", {"bar"}}});
+      res.end("hello, world\n");
+    });
+    server.handle("/secret/", [](const request &req, const response &res) {
+      res.write_head(200);
+      res.end("under construction!\n");
+    });
+    server.handle("/push", [](const request &req, const response &res) {
+      boost::system::error_code ec;
+      auto push = res.push(ec, "GET", "/push/1");
+      if (!ec) {
+        push->write_head(200);
+        push->end("server push FTW!\n");
+      }
+
+      res.write_head(200);
+      res.end("you'll receive server push!\n");
+    });
+    server.handle("/delay", [](const request &req, const response &res) {
+      res.write_head(200);
+
+      auto timer = std::make_shared<boost::asio::deadline_timer>(
+          res.io_service(), boost::posix_time::seconds(3));
+      auto closed = std::make_shared<bool>();
+
+      res.on_close([timer, closed](uint32_t error_code) {
+        timer->cancel();
+        *closed = true;
+      });
+
+      timer->async_wait([&res, closed](const boost::system::error_code &ec) {
+        if (ec || *closed) {
+          return;
+        }
+
+        res.end("finally!\n");
+      });
+    });
+    server.handle("/trailer", [](const request &req, const response &res) {
+      // send trailer part.
+      res.write_head(200, {{"trailers", {"digest"}}});
+
+      std::string body = "nghttp2 FTW!\n";
+      auto left = std::make_shared<size_t>(body.size());
+
+      res.end([&res, body, left](uint8_t *dst, std::size_t len,
+                                 uint32_t *data_flags) {
+        auto n = std::min(len, *left);
+        std::copy_n(body.c_str() + (body.size() - *left), n, dst);
+        *left -= n;
+        if (*left == 0) {
+          *data_flags |=
+              NGHTTP2_DATA_FLAG_EOF | NGHTTP2_DATA_FLAG_NO_END_STREAM;
+          // RFC 3230 Instance Digests in HTTP.  The digest value is
+          // SHA-256 message digest of body.
+          res.write_trailer(
+              {{"digest",
+                {"SHA-256=qqXqskW7F3ueBSvmZRCiSwl2ym4HRO0M/pvQCBlSDis="}}});
+        }
+        return n;
+      });
+    });
+
+    if (argc >= 6) {
+      boost::asio::ssl::context tls(boost::asio::ssl::context::sslv23);
+      tls.use_private_key_file(argv[4], boost::asio::ssl::context::pem);
+      tls.use_certificate_chain_file(argv[5]);
+
+      configure_tls_context_easy(ec, tls);
+
+      if (server.listen_and_serve(ec, tls, addr, port)) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    } else {
+      if (server.listen_and_serve(ec, addr, port)) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    }
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

nghttp2/examples/asio-sv2.cc

@@ -0,0 +1,125 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+// We wrote this code based on the original code which has the
+// following license:
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif // HAVE_UNISTD_H
+#ifdef HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif // HAVE_FCNTL_H
+#include <iostream>
+#include <string>
+
+#include <nghttp2/asio_http2_server.h>
+
+using namespace nghttp2::asio_http2;
+using namespace nghttp2::asio_http2::server;
+
+int main(int argc, char *argv[]) {
+  try {
+    // Check command line arguments.
+    if (argc < 5) {
+      std::cerr << "Usage: asio-sv2 <address> <port> <threads> <doc-root> "
+                << "[<private-key-file> <cert-file>]\n";
+      return 1;
+    }
+
+    boost::system::error_code ec;
+
+    std::string addr = argv[1];
+    std::string port = argv[2];
+    std::size_t num_threads = std::stoi(argv[3]);
+    std::string docroot = argv[4];
+
+    http2 server;
+
+    server.num_threads(num_threads);
+
+    server.handle("/", [&docroot](const request &req, const response &res) {
+      auto path = percent_decode(req.uri().path);
+      if (!check_path(path)) {
+        res.write_head(404);
+        res.end();
+        return;
+      }
+
+      if (path == "/") {
+        path = "/index.html";
+      }
+
+      path = docroot + path;
+      auto fd = open(path.c_str(), O_RDONLY);
+      if (fd == -1) {
+        res.write_head(404);
+        res.end();
+        return;
+      }
+
+      auto header = header_map();
+
+      struct stat stbuf;
+      if (stat(path.c_str(), &stbuf) == 0) {
+        header.emplace("content-length",
+                       header_value{std::to_string(stbuf.st_size)});
+        header.emplace("last-modified",
+                       header_value{http_date(stbuf.st_mtime)});
+      }
+      res.write_head(200, std::move(header));
+      res.end(file_generator_from_fd(fd));
+    });
+
+    if (argc >= 7) {
+      boost::asio::ssl::context tls(boost::asio::ssl::context::sslv23);
+      tls.use_private_key_file(argv[5], boost::asio::ssl::context::pem);
+      tls.use_certificate_chain_file(argv[6]);
+
+      configure_tls_context_easy(ec, tls);
+
+      if (server.listen_and_serve(ec, tls, addr, port)) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    } else {
+      if (server.listen_and_serve(ec, addr, port)) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    }
+  } catch (std::exception &e) {
+    std::cerr << "exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}

nghttp2/examples/client.c

@@ -0,0 +1,727 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/*
+ * This program is written to show how to use nghttp2 API in C and
+ * intentionally made simple.
+ */
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <inttypes.h>
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif /* HAVE_FCNTL_H */
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif /* HAVE_SYS_SOCKET_H */
+#ifdef HAVE_NETDB_H
+#  include <netdb.h>
+#endif /* HAVE_NETDB_H */
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif /* HAVE_NETINET_IN_H */
+#include <netinet/tcp.h>
+#include <poll.h>
+#include <signal.h>
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+
+#include <nghttp2/nghttp2.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+
+enum { IO_NONE, WANT_READ, WANT_WRITE };
+
+#define MAKE_NV(NAME, VALUE)                                                   \
+  {                                                                            \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
+
+#define MAKE_NV_CS(NAME, VALUE)                                                \
+  {                                                                            \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, strlen(VALUE),        \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
+
+struct Connection {
+  SSL *ssl;
+  nghttp2_session *session;
+  /* WANT_READ if SSL/TLS connection needs more input; or WANT_WRITE
+     if it needs more output; or IO_NONE. This is necessary because
+     SSL/TLS re-negotiation is possible at any time. nghttp2 API
+     offers similar functions like nghttp2_session_want_read() and
+     nghttp2_session_want_write() but they do not take into account
+     SSL/TSL connection. */
+  int want_io;
+};
+
+struct Request {
+  char *host;
+  /* In this program, path contains query component as well. */
+  char *path;
+  /* This is the concatenation of host and port with ":" in
+     between. */
+  char *hostport;
+  /* Stream ID for this request. */
+  int32_t stream_id;
+  uint16_t port;
+};
+
+struct URI {
+  const char *host;
+  /* In this program, path contains query component as well. */
+  const char *path;
+  size_t pathlen;
+  const char *hostport;
+  size_t hostlen;
+  size_t hostportlen;
+  uint16_t port;
+};
+
+/*
+ * Returns copy of string |s| with the length |len|. The returned
+ * string is NULL-terminated.
+ */
+static char *strcopy(const char *s, size_t len) {
+  char *dst;
+  dst = malloc(len + 1);
+  memcpy(dst, s, len);
+  dst[len] = '\0';
+  return dst;
+}
+
+/*
+ * Prints error message |msg| and exit.
+ */
+NGHTTP2_NORETURN
+static void die(const char *msg) {
+  fprintf(stderr, "FATAL: %s\n", msg);
+  exit(EXIT_FAILURE);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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));
+  exit(EXIT_FAILURE);
+}
+
+/*
+ * The implementation of nghttp2_send_callback type. Here we write
+ * |data| with size |length| to the network and return the number of
+ * bytes actually written. See the documentation of
+ * nghttp2_send_callback for the details.
+ */
+static ssize_t send_callback(nghttp2_session *session, const uint8_t *data,
+                             size_t length, int flags, void *user_data) {
+  struct Connection *connection;
+  int rv;
+  (void)session;
+  (void)flags;
+
+  connection = (struct Connection *)user_data;
+  connection->want_io = IO_NONE;
+  ERR_clear_error();
+  rv = SSL_write(connection->ssl, data, (int)length);
+  if (rv <= 0) {
+    int err = SSL_get_error(connection->ssl, rv);
+    if (err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) {
+      connection->want_io =
+          (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE);
+      rv = NGHTTP2_ERR_WOULDBLOCK;
+    } else {
+      rv = NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+  }
+  return rv;
+}
+
+/*
+ * The implementation of nghttp2_recv_callback type. Here we read data
+ * from the network and write them in |buf|. The capacity of |buf| is
+ * |length| bytes. Returns the number of bytes stored in |buf|. See
+ * the documentation of nghttp2_recv_callback for the details.
+ */
+static ssize_t recv_callback(nghttp2_session *session, uint8_t *buf,
+                             size_t length, int flags, void *user_data) {
+  struct Connection *connection;
+  int rv;
+  (void)session;
+  (void)flags;
+
+  connection = (struct Connection *)user_data;
+  connection->want_io = IO_NONE;
+  ERR_clear_error();
+  rv = SSL_read(connection->ssl, buf, (int)length);
+  if (rv < 0) {
+    int err = SSL_get_error(connection->ssl, rv);
+    if (err == SSL_ERROR_WANT_WRITE || err == SSL_ERROR_WANT_READ) {
+      connection->want_io =
+          (err == SSL_ERROR_WANT_READ ? WANT_READ : WANT_WRITE);
+      rv = NGHTTP2_ERR_WOULDBLOCK;
+    } else {
+      rv = NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+  } else if (rv == 0) {
+    rv = NGHTTP2_ERR_EOF;
+  }
+  return rv;
+}
+
+static int on_frame_send_callback(nghttp2_session *session,
+                                  const nghttp2_frame *frame, void *user_data) {
+  size_t i;
+  (void)user_data;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    if (nghttp2_session_get_stream_user_data(session, frame->hd.stream_id)) {
+      const nghttp2_nv *nva = frame->headers.nva;
+      printf("[INFO] C ----------------------------> S (HEADERS)\n");
+      for (i = 0; i < frame->headers.nvlen; ++i) {
+        fwrite(nva[i].name, 1, nva[i].namelen, stdout);
+        printf(": ");
+        fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
+        printf("\n");
+      }
+    }
+    break;
+  case NGHTTP2_RST_STREAM:
+    printf("[INFO] C ----------------------------> S (RST_STREAM)\n");
+    break;
+  case NGHTTP2_GOAWAY:
+    printf("[INFO] C ----------------------------> S (GOAWAY)\n");
+    break;
+  }
+  return 0;
+}
+
+static int on_frame_recv_callback(nghttp2_session *session,
+                                  const nghttp2_frame *frame, void *user_data) {
+  size_t i;
+  (void)user_data;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE) {
+      const nghttp2_nv *nva = frame->headers.nva;
+      struct Request *req;
+      req = nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
+      if (req) {
+        printf("[INFO] C <---------------------------- S (HEADERS)\n");
+        for (i = 0; i < frame->headers.nvlen; ++i) {
+          fwrite(nva[i].name, 1, nva[i].namelen, stdout);
+          printf(": ");
+          fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
+          printf("\n");
+        }
+      }
+    }
+    break;
+  case NGHTTP2_RST_STREAM:
+    printf("[INFO] C <---------------------------- S (RST_STREAM)\n");
+    break;
+  case NGHTTP2_GOAWAY:
+    printf("[INFO] C <---------------------------- S (GOAWAY)\n");
+    break;
+  }
+  return 0;
+}
+
+/*
+ * The implementation of nghttp2_on_stream_close_callback type. We use
+ * this function to know the response is fully received. Since we just
+ * fetch 1 resource in this program, after reception of the response,
+ * we submit GOAWAY and close the session.
+ */
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                    uint32_t error_code, void *user_data) {
+  struct Request *req;
+  (void)error_code;
+  (void)user_data;
+
+  req = nghttp2_session_get_stream_user_data(session, stream_id);
+  if (req) {
+    int rv;
+    rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
+
+    if (rv != 0) {
+      diec("nghttp2_session_terminate_session", rv);
+    }
+  }
+  return 0;
+}
+
+/*
+ * The implementation of nghttp2_on_data_chunk_recv_callback type. We
+ * use this function to print the received response body.
+ */
+static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
+                                       int32_t stream_id, const uint8_t *data,
+                                       size_t len, void *user_data) {
+  struct Request *req;
+  (void)flags;
+  (void)user_data;
+
+  req = nghttp2_session_get_stream_user_data(session, stream_id);
+  if (req) {
+    printf("[INFO] C <---------------------------- S (DATA chunk)\n"
+           "%lu bytes\n",
+           (unsigned long int)len);
+    fwrite(data, 1, len, stdout);
+    printf("\n");
+  }
+  return 0;
+}
+
+/*
+ * Setup callback functions. nghttp2 API offers many callback
+ * functions, but most of them are optional. The send_callback is
+ * always required. Since we use nghttp2_session_recv(), the
+ * recv_callback is also required.
+ */
+static void setup_nghttp2_callbacks(nghttp2_session_callbacks *callbacks) {
+  nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
+
+  nghttp2_session_callbacks_set_recv_callback(callbacks, recv_callback);
+
+  nghttp2_session_callbacks_set_on_frame_send_callback(callbacks,
+                                                       on_frame_send_callback);
+
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
+
+  nghttp2_session_callbacks_set_on_stream_close_callback(
+      callbacks, on_stream_close_callback);
+
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+      callbacks, on_data_chunk_recv_callback);
+}
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+/*
+ * Callback function for TLS NPN. Since this program only supports
+ * HTTP/2 protocol, if server does not offer HTTP/2 the nghttp2
+ * library supports, we terminate program.
+ */
+static int select_next_proto_cb(SSL *ssl, unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg) {
+  int rv;
+  (void)ssl;
+  (void)arg;
+
+  /* nghttp2_select_next_protocol() selects HTTP/2 protocol the
+     nghttp2 library supports. */
+  rv = nghttp2_select_next_protocol(out, outlen, in, inlen);
+  if (rv <= 0) {
+    die("Server did not advertise HTTP/2 protocol");
+  }
+  return SSL_TLSEXT_ERR_OK;
+}
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+/*
+ * Setup SSL/TLS context.
+ */
+static void init_ssl_ctx(SSL_CTX *ssl_ctx) {
+  /* Disable SSLv2 and enable all workarounds for buggy servers */
+  SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2);
+  SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
+  SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
+  /* Set NPN callback */
+#ifndef OPENSSL_NO_NEXTPROTONEG
+  SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+}
+
+static void ssl_handshake(SSL *ssl, int fd) {
+  int rv;
+  if (SSL_set_fd(ssl, fd) == 0) {
+    dief("SSL_set_fd", ERR_error_string(ERR_get_error(), NULL));
+  }
+  ERR_clear_error();
+  rv = SSL_connect(ssl);
+  if (rv <= 0) {
+    dief("SSL_connect", ERR_error_string(ERR_get_error(), NULL));
+  }
+}
+
+/*
+ * Connects to the host |host| and port |port|.  This function returns
+ * the file descriptor of the client socket.
+ */
+static int connect_to(const char *host, uint16_t port) {
+  struct addrinfo hints;
+  int fd = -1;
+  int rv;
+  char service[NI_MAXSERV];
+  struct addrinfo *res, *rp;
+  snprintf(service, sizeof(service), "%u", port);
+  memset(&hints, 0, sizeof(struct addrinfo));
+  hints.ai_family = AF_UNSPEC;
+  hints.ai_socktype = SOCK_STREAM;
+  rv = getaddrinfo(host, service, &hints, &res);
+  if (rv != 0) {
+    dief("getaddrinfo", gai_strerror(rv));
+  }
+  for (rp = res; rp; rp = rp->ai_next) {
+    fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+    if (fd == -1) {
+      continue;
+    }
+    while ((rv = connect(fd, rp->ai_addr, rp->ai_addrlen)) == -1 &&
+           errno == EINTR)
+      ;
+    if (rv == 0) {
+      break;
+    }
+    close(fd);
+    fd = -1;
+  }
+  freeaddrinfo(res);
+  return fd;
+}
+
+static void make_non_block(int fd) {
+  int flags, rv;
+  while ((flags = fcntl(fd, F_GETFL, 0)) == -1 && errno == EINTR)
+    ;
+  if (flags == -1) {
+    dief("fcntl", strerror(errno));
+  }
+  while ((rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK)) == -1 && errno == EINTR)
+    ;
+  if (rv == -1) {
+    dief("fcntl", strerror(errno));
+  }
+}
+
+static void set_tcp_nodelay(int fd) {
+  int val = 1;
+  int rv;
+  rv = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val));
+  if (rv == -1) {
+    dief("setsockopt", strerror(errno));
+  }
+}
+
+/*
+ * Update |pollfd| based on the state of |connection|.
+ */
+static void ctl_poll(struct pollfd *pollfd, struct Connection *connection) {
+  pollfd->events = 0;
+  if (nghttp2_session_want_read(connection->session) ||
+      connection->want_io == WANT_READ) {
+    pollfd->events |= POLLIN;
+  }
+  if (nghttp2_session_want_write(connection->session) ||
+      connection->want_io == WANT_WRITE) {
+    pollfd->events |= POLLOUT;
+  }
+}
+
+/*
+ * Submits the request |req| to the connection |connection|.  This
+ * function does not send packets; just append the request to the
+ * internal queue in |connection->session|.
+ */
+static void submit_request(struct Connection *connection, struct Request *req) {
+  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)};
+
+  stream_id = nghttp2_submit_request(connection->session, NULL, nva,
+                                     sizeof(nva) / sizeof(nva[0]), NULL, req);
+
+  if (stream_id < 0) {
+    diec("nghttp2_submit_request", stream_id);
+  }
+
+  req->stream_id = stream_id;
+  printf("[INFO] Stream ID = %d\n", stream_id);
+}
+
+/*
+ * Performs the network I/O.
+ */
+static void exec_io(struct Connection *connection) {
+  int rv;
+  rv = nghttp2_session_recv(connection->session);
+  if (rv != 0) {
+    diec("nghttp2_session_recv", rv);
+  }
+  rv = nghttp2_session_send(connection->session);
+  if (rv != 0) {
+    diec("nghttp2_session_send", rv);
+  }
+}
+
+static void request_init(struct Request *req, const struct URI *uri) {
+  req->host = strcopy(uri->host, uri->hostlen);
+  req->port = uri->port;
+  req->path = strcopy(uri->path, uri->pathlen);
+  req->hostport = strcopy(uri->hostport, uri->hostportlen);
+  req->stream_id = -1;
+}
+
+static void request_free(struct Request *req) {
+  free(req->host);
+  free(req->path);
+  free(req->hostport);
+}
+
+/*
+ * Fetches the resource denoted by |uri|.
+ */
+static void fetch_uri(const struct URI *uri) {
+  nghttp2_session_callbacks *callbacks;
+  int fd;
+  SSL_CTX *ssl_ctx;
+  SSL *ssl;
+  struct Request req;
+  struct Connection connection;
+  int rv;
+  nfds_t npollfds = 1;
+  struct pollfd pollfds[1];
+
+  request_init(&req, uri);
+
+  /* Establish connection and setup SSL */
+  fd = connect_to(req.host, req.port);
+  if (fd == -1) {
+    die("Could not open file descriptor");
+  }
+  ssl_ctx = SSL_CTX_new(SSLv23_client_method());
+  if (ssl_ctx == NULL) {
+    dief("SSL_CTX_new", ERR_error_string(ERR_get_error(), NULL));
+  }
+  init_ssl_ctx(ssl_ctx);
+  ssl = SSL_new(ssl_ctx);
+  if (ssl == NULL) {
+    dief("SSL_new", ERR_error_string(ERR_get_error(), NULL));
+  }
+  /* To simplify the program, we perform SSL/TLS handshake in blocking
+     I/O. */
+  ssl_handshake(ssl, fd);
+
+  connection.ssl = ssl;
+  connection.want_io = IO_NONE;
+
+  /* Here make file descriptor non-block */
+  make_non_block(fd);
+  set_tcp_nodelay(fd);
+
+  printf("[INFO] SSL/TLS handshake completed\n");
+
+  rv = nghttp2_session_callbacks_new(&callbacks);
+
+  if (rv != 0) {
+    diec("nghttp2_session_callbacks_new", rv);
+  }
+
+  setup_nghttp2_callbacks(callbacks);
+
+  rv = nghttp2_session_client_new(&connection.session, callbacks, &connection);
+
+  nghttp2_session_callbacks_del(callbacks);
+
+  if (rv != 0) {
+    diec("nghttp2_session_client_new", rv);
+  }
+
+  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);
+
+  pollfds[0].fd = fd;
+  ctl_poll(pollfds, &connection);
+
+  /* Event loop */
+  while (nghttp2_session_want_read(connection.session) ||
+         nghttp2_session_want_write(connection.session)) {
+    int nfds = poll(pollfds, npollfds, -1);
+    if (nfds == -1) {
+      dief("poll", strerror(errno));
+    }
+    if (pollfds[0].revents & (POLLIN | POLLOUT)) {
+      exec_io(&connection);
+    }
+    if ((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) {
+      die("Connection error");
+    }
+    ctl_poll(pollfds, &connection);
+  }
+
+  /* Resource cleanup */
+  nghttp2_session_del(connection.session);
+  SSL_shutdown(ssl);
+  SSL_free(ssl);
+  SSL_CTX_free(ssl_ctx);
+  shutdown(fd, SHUT_WR);
+  close(fd);
+  request_free(&req);
+}
+
+static int parse_uri(struct URI *res, const char *uri) {
+  /* We only interested in https */
+  size_t len, i, offset;
+  int ipv6addr = 0;
+  memset(res, 0, sizeof(struct URI));
+  len = strlen(uri);
+  if (len < 9 || memcmp("https://", uri, 8) != 0) {
+    return -1;
+  }
+  offset = 8;
+  res->host = res->hostport = &uri[offset];
+  res->hostlen = 0;
+  if (uri[offset] == '[') {
+    /* IPv6 literal address */
+    ++offset;
+    ++res->host;
+    ipv6addr = 1;
+    for (i = offset; i < len; ++i) {
+      if (uri[i] == ']') {
+        res->hostlen = i - offset;
+        offset = i + 1;
+        break;
+      }
+    }
+  } else {
+    const char delims[] = ":/?#";
+    for (i = offset; i < len; ++i) {
+      if (strchr(delims, uri[i]) != NULL) {
+        break;
+      }
+    }
+    res->hostlen = i - offset;
+    offset = i;
+  }
+  if (res->hostlen == 0) {
+    return -1;
+  }
+  /* Assuming https */
+  res->port = 443;
+  if (offset < len) {
+    if (uri[offset] == ':') {
+      /* port */
+      const char delims[] = "/?#";
+      int port = 0;
+      ++offset;
+      for (i = offset; i < len; ++i) {
+        if (strchr(delims, uri[i]) != NULL) {
+          break;
+        }
+        if ('0' <= uri[i] && uri[i] <= '9') {
+          port *= 10;
+          port += uri[i] - '0';
+          if (port > 65535) {
+            return -1;
+          }
+        } else {
+          return -1;
+        }
+      }
+      if (port == 0) {
+        return -1;
+      }
+      offset = i;
+      res->port = (uint16_t)port;
+    }
+  }
+  res->hostportlen = (size_t)(uri + offset + ipv6addr - res->host);
+  for (i = offset; i < len; ++i) {
+    if (uri[i] == '#') {
+      break;
+    }
+  }
+  if (i - offset == 0) {
+    res->path = "/";
+    res->pathlen = 1;
+  } else {
+    res->path = &uri[offset];
+    res->pathlen = i - offset;
+  }
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  struct URI uri;
+  struct sigaction act;
+  int rv;
+
+  if (argc < 2) {
+    die("Specify a https URI");
+  }
+
+  memset(&act, 0, sizeof(struct sigaction));
+  act.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &act, 0);
+
+  SSL_load_error_strings();
+  SSL_library_init();
+
+  rv = parse_uri(&uri, argv[1]);
+  if (rv != 0) {
+    die("parse_uri failed");
+  }
+  fetch_uri(&uri);
+  return EXIT_SUCCESS;
+}

nghttp2/examples/deflate.c

@@ -0,0 +1,206 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif /* !HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <nghttp2/nghttp2.h>
+
+#define MAKE_NV(K, V)                                                          \
+  {                                                                            \
+    (uint8_t *)K, (uint8_t *)V, sizeof(K) - 1, sizeof(V) - 1,                  \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
+
+static void deflate(nghttp2_hd_deflater *deflater,
+                    nghttp2_hd_inflater *inflater, const nghttp2_nv *const nva,
+                    size_t nvlen);
+
+static int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
+                                size_t inlen, int final);
+
+int main() {
+  int rv;
+  nghttp2_hd_deflater *deflater;
+  nghttp2_hd_inflater *inflater;
+  /* Define 1st header set.  This is looks like a HTTP request. */
+  nghttp2_nv nva1[] = {
+      MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "example.org"),
+      MAKE_NV(":path", "/"), MAKE_NV("user-agent", "libnghttp2"),
+      MAKE_NV("accept-encoding", "gzip, deflate")};
+  /* Define 2nd header set */
+  nghttp2_nv nva2[] = {MAKE_NV(":scheme", "https"),
+                       MAKE_NV(":authority", "example.org"),
+                       MAKE_NV(":path", "/stylesheet/style.css"),
+                       MAKE_NV("user-agent", "libnghttp2"),
+                       MAKE_NV("accept-encoding", "gzip, deflate"),
+                       MAKE_NV("referer", "https://example.org")};
+
+  rv = nghttp2_hd_deflate_new(&deflater, 4096);
+
+  if (rv != 0) {
+    fprintf(stderr, "nghttp2_hd_deflate_init failed with error: %s\n",
+            nghttp2_strerror(rv));
+    exit(EXIT_FAILURE);
+  }
+
+  rv = nghttp2_hd_inflate_new(&inflater);
+
+  if (rv != 0) {
+    fprintf(stderr, "nghttp2_hd_inflate_init failed with error: %s\n",
+            nghttp2_strerror(rv));
+    exit(EXIT_FAILURE);
+  }
+
+  /* Encode and decode 1st header set */
+  deflate(deflater, inflater, nva1, sizeof(nva1) / sizeof(nva1[0]));
+
+  /* Encode and decode 2nd header set, using differential encoding
+     using state after encoding 1st header set. */
+  deflate(deflater, inflater, nva2, sizeof(nva2) / sizeof(nva2[0]));
+
+  nghttp2_hd_inflate_del(inflater);
+  nghttp2_hd_deflate_del(deflater);
+
+  return 0;
+}
+
+static void deflate(nghttp2_hd_deflater *deflater,
+                    nghttp2_hd_inflater *inflater, const nghttp2_nv *const nva,
+                    size_t nvlen) {
+  ssize_t rv;
+  uint8_t *buf;
+  size_t buflen;
+  size_t outlen;
+  size_t i;
+  size_t sum;
+
+  sum = 0;
+
+  for (i = 0; i < nvlen; ++i) {
+    sum += nva[i].namelen + nva[i].valuelen;
+  }
+
+  printf("Input (%zu byte(s)):\n\n", sum);
+
+  for (i = 0; i < nvlen; ++i) {
+    fwrite(nva[i].name, 1, nva[i].namelen, stdout);
+    printf(": ");
+    fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
+    printf("\n");
+  }
+
+  buflen = nghttp2_hd_deflate_bound(deflater, nva, nvlen);
+  buf = malloc(buflen);
+
+  rv = nghttp2_hd_deflate_hd(deflater, buf, buflen, nva, nvlen);
+
+  if (rv < 0) {
+    fprintf(stderr, "nghttp2_hd_deflate_hd() failed with error: %s\n",
+            nghttp2_strerror((int)rv));
+
+    free(buf);
+
+    exit(EXIT_FAILURE);
+  }
+
+  outlen = (size_t)rv;
+
+  printf("\nDeflate (%zu byte(s), ratio %.02f):\n\n", outlen,
+         sum == 0 ? 0 : (double)outlen / (double)sum);
+
+  for (i = 0; i < outlen; ++i) {
+    if ((i & 0x0fu) == 0) {
+      printf("%08zX: ", i);
+    }
+
+    printf("%02X ", buf[i]);
+
+    if (((i + 1) & 0x0fu) == 0) {
+      printf("\n");
+    }
+  }
+
+  printf("\n\nInflate:\n\n");
+
+  /* We pass 1 to final parameter, because buf contains whole deflated
+     header data. */
+  rv = inflate_header_block(inflater, buf, outlen, 1);
+
+  if (rv != 0) {
+    free(buf);
+
+    exit(EXIT_FAILURE);
+  }
+
+  printf("\n-----------------------------------------------------------"
+         "--------------------\n");
+
+  free(buf);
+}
+
+int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
+                         size_t inlen, int final) {
+  ssize_t rv;
+
+  for (;;) {
+    nghttp2_nv nv;
+    int inflate_flags = 0;
+    size_t proclen;
+
+    rv = nghttp2_hd_inflate_hd(inflater, &nv, &inflate_flags, in, inlen, final);
+
+    if (rv < 0) {
+      fprintf(stderr, "inflate failed with error code %zd", rv);
+      return -1;
+    }
+
+    proclen = (size_t)rv;
+
+    in += proclen;
+    inlen -= proclen;
+
+    if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
+      fwrite(nv.name, 1, nv.namelen, stderr);
+      fprintf(stderr, ": ");
+      fwrite(nv.value, 1, nv.valuelen, stderr);
+      fprintf(stderr, "\n");
+    }
+
+    if (inflate_flags & NGHTTP2_HD_INFLATE_FINAL) {
+      nghttp2_hd_inflate_end_headers(inflater);
+      break;
+    }
+
+    if ((inflate_flags & NGHTTP2_HD_INFLATE_EMIT) == 0 && inlen == 0) {
+      break;
+    }
+  }
+
+  return 0;
+}

nghttp2/examples/libevent-client.c

@@ -0,0 +1,625 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifdef __sgi
+#  include <string.h>
+#  define errx(exitcode, format, args...)                                      \
+    {                                                                          \
+      warnx(format, ##args);                                                   \
+      exit(exitcode);                                                          \
+    }
+#  define warnx(format, args...) fprintf(stderr, format "\n", ##args)
+char *strndup(const char *s, size_t size);
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif /* HAVE_SYS_SOCKET_H */
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif /* HAVE_NETINET_IN_H */
+#include <netinet/tcp.h>
+#ifndef __sgi
+#  include <err.h>
+#endif
+#include <signal.h>
+#include <string.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+
+#include <event.h>
+#include <event2/event.h>
+#include <event2/bufferevent_ssl.h>
+#include <event2/dns.h>
+
+#include <nghttp2/nghttp2.h>
+
+#include "url-parser/url_parser.h"
+
+#define ARRLEN(x) (sizeof(x) / sizeof(x[0]))
+
+typedef struct {
+  /* The NULL-terminated URI string to retrieve. */
+  const char *uri;
+  /* Parsed result of the |uri| */
+  struct http_parser_url *u;
+  /* The authority portion of the |uri|, not NULL-terminated */
+  char *authority;
+  /* The path portion of the |uri|, including query, not
+     NULL-terminated */
+  char *path;
+  /* The length of the |authority| */
+  size_t authoritylen;
+  /* The length of the |path| */
+  size_t pathlen;
+  /* The stream ID of this stream */
+  int32_t stream_id;
+} http2_stream_data;
+
+typedef struct {
+  nghttp2_session *session;
+  struct evdns_base *dnsbase;
+  struct bufferevent *bev;
+  http2_stream_data *stream_data;
+} http2_session_data;
+
+static http2_stream_data *create_http2_stream_data(const char *uri,
+                                                   struct http_parser_url *u) {
+  /* MAX 5 digits (max 65535) + 1 ':' + 1 NULL (because of snprintf) */
+  size_t extra = 7;
+  http2_stream_data *stream_data = malloc(sizeof(http2_stream_data));
+
+  stream_data->uri = uri;
+  stream_data->u = u;
+  stream_data->stream_id = -1;
+
+  stream_data->authoritylen = u->field_data[UF_HOST].len;
+  stream_data->authority = malloc(stream_data->authoritylen + extra);
+  memcpy(stream_data->authority, &uri[u->field_data[UF_HOST].off],
+         u->field_data[UF_HOST].len);
+  if (u->field_set & (1 << UF_PORT)) {
+    stream_data->authoritylen +=
+        (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. */
+  stream_data->pathlen = 1;
+  if (u->field_set & (1 << UF_PATH)) {
+    stream_data->pathlen = u->field_data[UF_PATH].len;
+  }
+  if (u->field_set & (1 << UF_QUERY)) {
+    /* +1 for '?' character */
+    stream_data->pathlen += (size_t)(u->field_data[UF_QUERY].len + 1);
+  }
+
+  stream_data->path = malloc(stream_data->pathlen);
+  if (u->field_set & (1 << UF_PATH)) {
+    memcpy(stream_data->path, &uri[u->field_data[UF_PATH].off],
+           u->field_data[UF_PATH].len);
+  } else {
+    stream_data->path[0] = '/';
+  }
+  if (u->field_set & (1 << UF_QUERY)) {
+    stream_data->path[stream_data->pathlen - u->field_data[UF_QUERY].len - 1] =
+        '?';
+    memcpy(stream_data->path + stream_data->pathlen -
+               u->field_data[UF_QUERY].len,
+           &uri[u->field_data[UF_QUERY].off], u->field_data[UF_QUERY].len);
+  }
+
+  return stream_data;
+}
+
+static void delete_http2_stream_data(http2_stream_data *stream_data) {
+  free(stream_data->path);
+  free(stream_data->authority);
+  free(stream_data);
+}
+
+/* Initializes |session_data| */
+static http2_session_data *
+create_http2_session_data(struct event_base *evbase) {
+  http2_session_data *session_data = malloc(sizeof(http2_session_data));
+
+  memset(session_data, 0, sizeof(http2_session_data));
+  session_data->dnsbase = evdns_base_new(evbase, 1);
+  return session_data;
+}
+
+static void delete_http2_session_data(http2_session_data *session_data) {
+  SSL *ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+  if (ssl) {
+    SSL_shutdown(ssl);
+  }
+  bufferevent_free(session_data->bev);
+  session_data->bev = NULL;
+  evdns_base_free(session_data->dnsbase, 1);
+  session_data->dnsbase = NULL;
+  nghttp2_session_del(session_data->session);
+  session_data->session = NULL;
+  if (session_data->stream_data) {
+    delete_http2_stream_data(session_data->stream_data);
+    session_data->stream_data = NULL;
+  }
+  free(session_data);
+}
+
+static void print_header(FILE *f, const uint8_t *name, size_t namelen,
+                         const uint8_t *value, size_t valuelen) {
+  fwrite(name, 1, namelen, f);
+  fprintf(f, ": ");
+  fwrite(value, 1, valuelen, f);
+  fprintf(f, "\n");
+}
+
+/* Print HTTP headers to |f|. Please note that this function does not
+   take into account that header name and value are sequence of
+   octets, therefore they may contain non-printable characters. */
+static void print_headers(FILE *f, nghttp2_nv *nva, size_t nvlen) {
+  size_t i;
+  for (i = 0; i < nvlen; ++i) {
+    print_header(f, nva[i].name, nva[i].namelen, nva[i].value, nva[i].valuelen);
+  }
+  fprintf(f, "\n");
+}
+
+/* nghttp2_send_callback. Here we transmit the |data|, |length| bytes,
+   to the network. Because we are using libevent bufferevent, we just
+   write those bytes into bufferevent buffer. */
+static ssize_t send_callback(nghttp2_session *session, const uint8_t *data,
+                             size_t length, int flags, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  struct bufferevent *bev = session_data->bev;
+  (void)session;
+  (void)flags;
+
+  bufferevent_write(bev, data, length);
+  return (ssize_t)length;
+}
+
+/* nghttp2_on_header_callback: Called when nghttp2 library emits
+   single header name/value pair. */
+static int on_header_callback(nghttp2_session *session,
+                              const nghttp2_frame *frame, const uint8_t *name,
+                              size_t namelen, const uint8_t *value,
+                              size_t valuelen, uint8_t flags, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+  (void)flags;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+        session_data->stream_data->stream_id == frame->hd.stream_id) {
+      /* Print response headers for the initiated request. */
+      print_header(stderr, name, namelen, value, valuelen);
+      break;
+    }
+  }
+  return 0;
+}
+
+/* nghttp2_on_begin_headers_callback: Called when nghttp2 library gets
+   started to receive header block. */
+static int on_begin_headers_callback(nghttp2_session *session,
+                                     const nghttp2_frame *frame,
+                                     void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+        session_data->stream_data->stream_id == frame->hd.stream_id) {
+      fprintf(stderr, "Response headers for stream ID=%d:\n",
+              frame->hd.stream_id);
+    }
+    break;
+  }
+  return 0;
+}
+
+/* nghttp2_on_frame_recv_callback: Called when nghttp2 library
+   received a complete frame from the remote peer. */
+static int on_frame_recv_callback(nghttp2_session *session,
+                                  const nghttp2_frame *frame, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
+        session_data->stream_data->stream_id == frame->hd.stream_id) {
+      fprintf(stderr, "All headers received\n");
+    }
+    break;
+  }
+  return 0;
+}
+
+/* nghttp2_on_data_chunk_recv_callback: Called when DATA frame is
+   received from the remote peer. In this implementation, if the frame
+   is meant to the stream we initiated, print the received data in
+   stdout, so that the user can redirect its output to the file
+   easily. */
+static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
+                                       int32_t stream_id, const uint8_t *data,
+                                       size_t len, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+  (void)flags;
+
+  if (session_data->stream_data->stream_id == stream_id) {
+    fwrite(data, 1, len, stdout);
+  }
+  return 0;
+}
+
+/* nghttp2_on_stream_close_callback: Called when a stream is about to
+   closed. This example program only deals with 1 HTTP request (1
+   stream), if it is closed, we send GOAWAY and tear down the
+   session */
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                    uint32_t error_code, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  int rv;
+
+  if (session_data->stream_data->stream_id == stream_id) {
+    fprintf(stderr, "Stream %d closed with error_code=%u\n", stream_id,
+            error_code);
+    rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
+    if (rv != 0) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+  }
+  return 0;
+}
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+/* NPN TLS extension client callback. We check that server advertised
+   the HTTP/2 protocol the nghttp2 library supports. If not, exit
+   the program. */
+static int select_next_proto_cb(SSL *ssl, unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg) {
+  (void)ssl;
+  (void)arg;
+
+  if (nghttp2_select_next_protocol(out, outlen, in, inlen) <= 0) {
+    errx(1, "Server did not advertise " NGHTTP2_PROTO_VERSION_ID);
+  }
+  return SSL_TLSEXT_ERR_OK;
+}
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+/* Create SSL_CTX. */
+static SSL_CTX *create_ssl_ctx(void) {
+  SSL_CTX *ssl_ctx;
+  ssl_ctx = SSL_CTX_new(SSLv23_client_method());
+  if (!ssl_ctx) {
+    errx(1, "Could not create SSL/TLS context: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  SSL_CTX_set_options(ssl_ctx,
+                      SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+                          SSL_OP_NO_COMPRESSION |
+                          SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
+#ifndef OPENSSL_NO_NEXTPROTONEG
+  SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#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;
+}
+
+/* Create SSL object */
+static SSL *create_ssl(SSL_CTX *ssl_ctx) {
+  SSL *ssl;
+  ssl = SSL_new(ssl_ctx);
+  if (!ssl) {
+    errx(1, "Could not create SSL/TLS session object: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  return ssl;
+}
+
+static void initialize_nghttp2_session(http2_session_data *session_data) {
+  nghttp2_session_callbacks *callbacks;
+
+  nghttp2_session_callbacks_new(&callbacks);
+
+  nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
+
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
+
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback(
+      callbacks, on_data_chunk_recv_callback);
+
+  nghttp2_session_callbacks_set_on_stream_close_callback(
+      callbacks, on_stream_close_callback);
+
+  nghttp2_session_callbacks_set_on_header_callback(callbacks,
+                                                   on_header_callback);
+
+  nghttp2_session_callbacks_set_on_begin_headers_callback(
+      callbacks, on_begin_headers_callback);
+
+  nghttp2_session_client_new(&session_data->session, callbacks, session_data);
+
+  nghttp2_session_callbacks_del(callbacks);
+}
+
+static void send_client_connection_header(http2_session_data *session_data) {
+  nghttp2_settings_entry iv[1] = {
+      {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
+  int rv;
+
+  /* client 24 bytes magic string will be sent by nghttp2 library */
+  rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE, iv,
+                               ARRLEN(iv));
+  if (rv != 0) {
+    errx(1, "Could not submit SETTINGS: %s", nghttp2_strerror(rv));
+  }
+}
+
+#define MAKE_NV(NAME, VALUE, VALUELEN)                                         \
+  {                                                                            \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, VALUELEN,             \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
+
+#define MAKE_NV2(NAME, VALUE)                                                  \
+  {                                                                            \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
+
+/* Send HTTP request to the remote peer */
+static void submit_request(http2_session_data *session_data) {
+  int32_t stream_id;
+  http2_stream_data *stream_data = session_data->stream_data;
+  const char *uri = stream_data->uri;
+  const struct http_parser_url *u = stream_data->u;
+  nghttp2_nv hdrs[] = {
+      MAKE_NV2(":method", "GET"),
+      MAKE_NV(":scheme", &uri[u->field_data[UF_SCHEMA].off],
+              u->field_data[UF_SCHEMA].len),
+      MAKE_NV(":authority", stream_data->authority, stream_data->authoritylen),
+      MAKE_NV(":path", stream_data->path, stream_data->pathlen)};
+  fprintf(stderr, "Request headers:\n");
+  print_headers(stderr, hdrs, ARRLEN(hdrs));
+  stream_id = nghttp2_submit_request(session_data->session, NULL, hdrs,
+                                     ARRLEN(hdrs), NULL, stream_data);
+  if (stream_id < 0) {
+    errx(1, "Could not submit HTTP request: %s", nghttp2_strerror(stream_id));
+  }
+
+  stream_data->stream_id = stream_id;
+}
+
+/* Serialize the frame and send (or buffer) the data to
+   bufferevent. */
+static int session_send(http2_session_data *session_data) {
+  int rv;
+
+  rv = nghttp2_session_send(session_data->session);
+  if (rv != 0) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+/* readcb for bufferevent. Here we get the data from the input buffer
+   of bufferevent and feed them to nghttp2 library. This may invoke
+   nghttp2 callbacks. It may also queues the frame in nghttp2 session
+   context. To send them, we call session_send() in the end. */
+static void readcb(struct bufferevent *bev, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  ssize_t readlen;
+  struct evbuffer *input = bufferevent_get_input(bev);
+  size_t datalen = evbuffer_get_length(input);
+  unsigned char *data = evbuffer_pullup(input, -1);
+
+  readlen = nghttp2_session_mem_recv(session_data->session, data, datalen);
+  if (readlen < 0) {
+    warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
+    delete_http2_session_data(session_data);
+    return;
+  }
+  if (evbuffer_drain(input, (size_t)readlen) != 0) {
+    warnx("Fatal error: evbuffer_drain failed");
+    delete_http2_session_data(session_data);
+    return;
+  }
+  if (session_send(session_data) != 0) {
+    delete_http2_session_data(session_data);
+    return;
+  }
+}
+
+/* writecb for bufferevent. To greaceful shutdown after sending or
+   receiving GOAWAY, we check the some conditions on the nghttp2
+   library and output buffer of bufferevent. If it indicates we have
+   no business to this session, tear down the connection. */
+static void writecb(struct bufferevent *bev, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  (void)bev;
+
+  if (nghttp2_session_want_read(session_data->session) == 0 &&
+      nghttp2_session_want_write(session_data->session) == 0 &&
+      evbuffer_get_length(bufferevent_get_output(session_data->bev)) == 0) {
+    delete_http2_session_data(session_data);
+  }
+}
+
+/* eventcb for bufferevent. For the purpose of simplicity and
+   readability of the example program, we omitted the certificate and
+   peer verification. After SSL/TLS handshake is over, initialize
+   nghttp2 library session, and send client connection header. Then
+   send HTTP request. */
+static void eventcb(struct bufferevent *bev, short events, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (events & BEV_EVENT_CONNECTED) {
+    int fd = bufferevent_getfd(bev);
+    int val = 1;
+    const unsigned char *alpn = NULL;
+    unsigned int alpnlen = 0;
+    SSL *ssl;
+
+    fprintf(stderr, "Connected\n");
+
+    ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+#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);
+    submit_request(session_data);
+    if (session_send(session_data) != 0) {
+      delete_http2_session_data(session_data);
+    }
+    return;
+  }
+  if (events & BEV_EVENT_EOF) {
+    warnx("Disconnected from the remote host");
+  } else if (events & BEV_EVENT_ERROR) {
+    warnx("Network error");
+  } else if (events & BEV_EVENT_TIMEOUT) {
+    warnx("Timeout");
+  }
+  delete_http2_session_data(session_data);
+}
+
+/* Start connecting to the remote peer |host:port| */
+static void initiate_connection(struct event_base *evbase, SSL_CTX *ssl_ctx,
+                                const char *host, uint16_t port,
+                                http2_session_data *session_data) {
+  int rv;
+  struct bufferevent *bev;
+  SSL *ssl;
+
+  ssl = create_ssl(ssl_ctx);
+  bev = bufferevent_openssl_socket_new(
+      evbase, -1, ssl, BUFFEREVENT_SSL_CONNECTING,
+      BEV_OPT_DEFER_CALLBACKS | BEV_OPT_CLOSE_ON_FREE);
+  bufferevent_enable(bev, EV_READ | EV_WRITE);
+  bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
+  rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
+                                           AF_UNSPEC, host, port);
+
+  if (rv != 0) {
+    errx(1, "Could not connect to the remote host %s", host);
+  }
+  session_data->bev = bev;
+}
+
+/* Get resource denoted by the |uri|. The debug and error messages are
+   printed in stderr, while the response body is printed in stdout. */
+static void run(const char *uri) {
+  struct http_parser_url u;
+  char *host;
+  uint16_t port;
+  int rv;
+  SSL_CTX *ssl_ctx;
+  struct event_base *evbase;
+  http2_session_data *session_data;
+
+  /* Parse the |uri| and stores its components in |u| */
+  rv = http_parser_parse_url(uri, strlen(uri), 0, &u);
+  if (rv != 0) {
+    errx(1, "Could not parse URI %s", uri);
+  }
+  host = strndup(&uri[u.field_data[UF_HOST].off], u.field_data[UF_HOST].len);
+  if (!(u.field_set & (1 << UF_PORT))) {
+    port = 443;
+  } else {
+    port = u.port;
+  }
+
+  ssl_ctx = create_ssl_ctx();
+
+  evbase = event_base_new();
+
+  session_data = create_http2_session_data(evbase);
+  session_data->stream_data = create_http2_stream_data(uri, &u);
+
+  initiate_connection(evbase, ssl_ctx, host, port, session_data);
+  free(host);
+  host = NULL;
+
+  event_base_loop(evbase, 0);
+
+  event_base_free(evbase);
+  SSL_CTX_free(ssl_ctx);
+}
+
+int main(int argc, char **argv) {
+  struct sigaction act;
+
+  if (argc < 2) {
+    fprintf(stderr, "Usage: libevent-client HTTPS_URI\n");
+    exit(EXIT_FAILURE);
+  }
+
+  memset(&act, 0, sizeof(struct sigaction));
+  act.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &act, NULL);
+
+  SSL_load_error_strings();
+  SSL_library_init();
+
+  run(argv[1]);
+  return 0;
+}

nghttp2/examples/libevent-server.c

@@ -0,0 +1,817 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifdef __sgi
+#  define errx(exitcode, format, args...)                                      \
+    {                                                                          \
+      warnx(format, ##args);                                                   \
+      exit(exitcode);                                                          \
+    }
+#  define warn(format, args...) warnx(format ": %s", ##args, strerror(errno))
+#  define warnx(format, args...) fprintf(stderr, format "\n", ##args)
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif /* HAVE_SYS_SOCKET_H */
+#ifdef HAVE_NETDB_H
+#  include <netdb.h>
+#endif /* HAVE_NETDB_H */
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#include <sys/stat.h>
+#ifdef HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif /* HAVE_FCNTL_H */
+#include <ctype.h>
+#ifdef HAVE_NETINET_IN_H
+#  include <netinet/in.h>
+#endif /* HAVE_NETINET_IN_H */
+#include <netinet/tcp.h>
+#ifndef __sgi
+#  include <err.h>
+#endif
+#include <string.h>
+#include <errno.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+
+#include <event.h>
+#include <event2/event.h>
+#include <event2/bufferevent_ssl.h>
+#include <event2/listener.h>
+
+#include <nghttp2/nghttp2.h>
+
+#define OUTPUT_WOULDBLOCK_THRESHOLD (1 << 16)
+
+#define ARRLEN(x) (sizeof(x) / sizeof(x[0]))
+
+#define MAKE_NV(NAME, VALUE)                                                   \
+  {                                                                            \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
+        NGHTTP2_NV_FLAG_NONE                                                   \
+  }
+
+struct app_context;
+typedef struct app_context app_context;
+
+typedef struct http2_stream_data {
+  struct http2_stream_data *prev, *next;
+  char *request_path;
+  int32_t stream_id;
+  int fd;
+} http2_stream_data;
+
+typedef struct http2_session_data {
+  struct http2_stream_data root;
+  struct bufferevent *bev;
+  app_context *app_ctx;
+  nghttp2_session *session;
+  char *client_addr;
+} http2_session_data;
+
+struct app_context {
+  SSL_CTX *ssl_ctx;
+  struct event_base *evbase;
+};
+
+static unsigned char next_proto_list[256];
+static size_t next_proto_list_len;
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+static int next_proto_cb(SSL *ssl, const unsigned char **data,
+                         unsigned int *len, void *arg) {
+  (void)ssl;
+  (void)arg;
+
+  *data = next_proto_list;
+  *len = (unsigned int)next_proto_list_len;
+  return SSL_TLSEXT_ERR_OK;
+}
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+static int alpn_select_proto_cb(SSL *ssl, const unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg) {
+  int rv;
+  (void)ssl;
+  (void)arg;
+
+  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;
+  EC_KEY *ecdh;
+
+  ssl_ctx = SSL_CTX_new(SSLv23_server_method());
+  if (!ssl_ctx) {
+    errx(1, "Could not create SSL/TLS context: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  SSL_CTX_set_options(ssl_ctx,
+                      SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+                          SSL_OP_NO_COMPRESSION |
+                          SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
+
+  ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
+  if (!ecdh) {
+    errx(1, "EC_KEY_new_by_curv_name failed: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  SSL_CTX_set_tmp_ecdh(ssl_ctx, ecdh);
+  EC_KEY_free(ecdh);
+
+  if (SSL_CTX_use_PrivateKey_file(ssl_ctx, key_file, SSL_FILETYPE_PEM) != 1) {
+    errx(1, "Could not read private key file %s", key_file);
+  }
+  if (SSL_CTX_use_certificate_chain_file(ssl_ctx, cert_file) != 1) {
+    errx(1, "Could not read certificate file %s", cert_file);
+  }
+
+  next_proto_list[0] = NGHTTP2_PROTO_VERSION_ID_LEN;
+  memcpy(&next_proto_list[1], NGHTTP2_PROTO_VERSION_ID,
+         NGHTTP2_PROTO_VERSION_ID_LEN);
+  next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+  SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#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;
+}
+
+/* Create SSL object */
+static SSL *create_ssl(SSL_CTX *ssl_ctx) {
+  SSL *ssl;
+  ssl = SSL_new(ssl_ctx);
+  if (!ssl) {
+    errx(1, "Could not create SSL/TLS session object: %s",
+         ERR_error_string(ERR_get_error(), NULL));
+  }
+  return ssl;
+}
+
+static void add_stream(http2_session_data *session_data,
+                       http2_stream_data *stream_data) {
+  stream_data->next = session_data->root.next;
+  session_data->root.next = stream_data;
+  stream_data->prev = &session_data->root;
+  if (stream_data->next) {
+    stream_data->next->prev = stream_data;
+  }
+}
+
+static void remove_stream(http2_session_data *session_data,
+                          http2_stream_data *stream_data) {
+  (void)session_data;
+
+  stream_data->prev->next = stream_data->next;
+  if (stream_data->next) {
+    stream_data->next->prev = stream_data->prev;
+  }
+}
+
+static http2_stream_data *
+create_http2_stream_data(http2_session_data *session_data, int32_t stream_id) {
+  http2_stream_data *stream_data;
+  stream_data = malloc(sizeof(http2_stream_data));
+  memset(stream_data, 0, sizeof(http2_stream_data));
+  stream_data->stream_id = stream_id;
+  stream_data->fd = -1;
+
+  add_stream(session_data, stream_data);
+  return stream_data;
+}
+
+static void delete_http2_stream_data(http2_stream_data *stream_data) {
+  if (stream_data->fd != -1) {
+    close(stream_data->fd);
+  }
+  free(stream_data->request_path);
+  free(stream_data);
+}
+
+static http2_session_data *create_http2_session_data(app_context *app_ctx,
+                                                     int fd,
+                                                     struct sockaddr *addr,
+                                                     int addrlen) {
+  int rv;
+  http2_session_data *session_data;
+  SSL *ssl;
+  char host[NI_MAXHOST];
+  int val = 1;
+
+  ssl = create_ssl(app_ctx->ssl_ctx);
+  session_data = malloc(sizeof(http2_session_data));
+  memset(session_data, 0, sizeof(http2_session_data));
+  session_data->app_ctx = app_ctx;
+  setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
+  session_data->bev = bufferevent_openssl_socket_new(
+      app_ctx->evbase, fd, ssl, BUFFEREVENT_SSL_ACCEPTING,
+      BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
+  bufferevent_enable(session_data->bev, EV_READ | EV_WRITE);
+  rv = getnameinfo(addr, (socklen_t)addrlen, host, sizeof(host), NULL, 0,
+                   NI_NUMERICHOST);
+  if (rv != 0) {
+    session_data->client_addr = strdup("(unknown)");
+  } else {
+    session_data->client_addr = strdup(host);
+  }
+
+  return session_data;
+}
+
+static void delete_http2_session_data(http2_session_data *session_data) {
+  http2_stream_data *stream_data;
+  SSL *ssl = bufferevent_openssl_get_ssl(session_data->bev);
+  fprintf(stderr, "%s disconnected\n", session_data->client_addr);
+  if (ssl) {
+    SSL_shutdown(ssl);
+  }
+  bufferevent_free(session_data->bev);
+  nghttp2_session_del(session_data->session);
+  for (stream_data = session_data->root.next; stream_data;) {
+    http2_stream_data *next = stream_data->next;
+    delete_http2_stream_data(stream_data);
+    stream_data = next;
+  }
+  free(session_data->client_addr);
+  free(session_data);
+}
+
+/* Serialize the frame and send (or buffer) the data to
+   bufferevent. */
+static int session_send(http2_session_data *session_data) {
+  int rv;
+  rv = nghttp2_session_send(session_data->session);
+  if (rv != 0) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+/* Read the data in the bufferevent and feed them into nghttp2 library
+   function. Invocation of nghttp2_session_mem_recv() may make
+   additional pending frames, so call session_send() at the end of the
+   function. */
+static int session_recv(http2_session_data *session_data) {
+  ssize_t readlen;
+  struct evbuffer *input = bufferevent_get_input(session_data->bev);
+  size_t datalen = evbuffer_get_length(input);
+  unsigned char *data = evbuffer_pullup(input, -1);
+
+  readlen = nghttp2_session_mem_recv(session_data->session, data, datalen);
+  if (readlen < 0) {
+    warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
+    return -1;
+  }
+  if (evbuffer_drain(input, (size_t)readlen) != 0) {
+    warnx("Fatal error: evbuffer_drain failed");
+    return -1;
+  }
+  if (session_send(session_data) != 0) {
+    return -1;
+  }
+  return 0;
+}
+
+static ssize_t send_callback(nghttp2_session *session, const uint8_t *data,
+                             size_t length, int flags, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  struct bufferevent *bev = session_data->bev;
+  (void)session;
+  (void)flags;
+
+  /* Avoid excessive buffering in server side. */
+  if (evbuffer_get_length(bufferevent_get_output(session_data->bev)) >=
+      OUTPUT_WOULDBLOCK_THRESHOLD) {
+    return NGHTTP2_ERR_WOULDBLOCK;
+  }
+  bufferevent_write(bev, data, length);
+  return (ssize_t)length;
+}
+
+/* Returns nonzero if the string |s| ends with the substring |sub| */
+static int ends_with(const char *s, const char *sub) {
+  size_t slen = strlen(s);
+  size_t sublen = strlen(sub);
+  if (slen < sublen) {
+    return 0;
+  }
+  return memcmp(s + slen - sublen, sub, sublen) == 0;
+}
+
+/* Returns int value of hex string character |c| */
+static uint8_t hex_to_uint(uint8_t c) {
+  if ('0' <= c && c <= '9') {
+    return (uint8_t)(c - '0');
+  }
+  if ('A' <= c && c <= 'F') {
+    return (uint8_t)(c - 'A' + 10);
+  }
+  if ('a' <= c && c <= 'f') {
+    return (uint8_t)(c - 'a' + 10);
+  }
+  return 0;
+}
+
+/* Decodes percent-encoded byte string |value| with length |valuelen|
+   and returns the decoded byte string in allocated buffer. The return
+   value is NULL terminated. The caller must free the returned
+   string. */
+static char *percent_decode(const uint8_t *value, size_t valuelen) {
+  char *res;
+
+  res = malloc(valuelen + 1);
+  if (valuelen > 3) {
+    size_t i, j;
+    for (i = 0, j = 0; i < valuelen - 2;) {
+      if (value[i] != '%' || !isxdigit(value[i + 1]) ||
+          !isxdigit(value[i + 2])) {
+        res[j++] = (char)value[i++];
+        continue;
+      }
+      res[j++] =
+          (char)((hex_to_uint(value[i + 1]) << 4) + hex_to_uint(value[i + 2]));
+      i += 3;
+    }
+    memcpy(&res[j], &value[i], 2);
+    res[j + 2] = '\0';
+  } else {
+    memcpy(res, value, valuelen);
+    res[valuelen] = '\0';
+  }
+  return res;
+}
+
+static ssize_t file_read_callback(nghttp2_session *session, int32_t stream_id,
+                                  uint8_t *buf, size_t length,
+                                  uint32_t *data_flags,
+                                  nghttp2_data_source *source,
+                                  void *user_data) {
+  int fd = source->fd;
+  ssize_t r;
+  (void)session;
+  (void)stream_id;
+  (void)user_data;
+
+  while ((r = read(fd, buf, length)) == -1 && errno == EINTR)
+    ;
+  if (r == -1) {
+    return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
+  }
+  if (r == 0) {
+    *data_flags |= NGHTTP2_DATA_FLAG_EOF;
+  }
+  return r;
+}
+
+static int send_response(nghttp2_session *session, int32_t stream_id,
+                         nghttp2_nv *nva, size_t nvlen, int fd) {
+  int rv;
+  nghttp2_data_provider data_prd;
+  data_prd.source.fd = fd;
+  data_prd.read_callback = file_read_callback;
+
+  rv = nghttp2_submit_response(session, stream_id, nva, nvlen, &data_prd);
+  if (rv != 0) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+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) {
+  int rv;
+  ssize_t writelen;
+  int pipefd[2];
+  nghttp2_nv hdrs[] = {MAKE_NV(":status", "404")};
+
+  rv = pipe(pipefd);
+  if (rv != 0) {
+    warn("Could not create pipe");
+    rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE,
+                                   stream_data->stream_id,
+                                   NGHTTP2_INTERNAL_ERROR);
+    if (rv != 0) {
+      warnx("Fatal error: %s", nghttp2_strerror(rv));
+      return -1;
+    }
+    return 0;
+  }
+
+  writelen = write(pipefd[1], ERROR_HTML, sizeof(ERROR_HTML) - 1);
+  close(pipefd[1]);
+
+  if (writelen != sizeof(ERROR_HTML) - 1) {
+    close(pipefd[0]);
+    return -1;
+  }
+
+  stream_data->fd = pipefd[0];
+
+  if (send_response(session, stream_data->stream_id, hdrs, ARRLEN(hdrs),
+                    pipefd[0]) != 0) {
+    close(pipefd[0]);
+    return -1;
+  }
+  return 0;
+}
+
+/* nghttp2_on_header_callback: Called when nghttp2 library emits
+   single header name/value pair. */
+static int on_header_callback(nghttp2_session *session,
+                              const nghttp2_frame *frame, const uint8_t *name,
+                              size_t namelen, const uint8_t *value,
+                              size_t valuelen, uint8_t flags, void *user_data) {
+  http2_stream_data *stream_data;
+  const char PATH[] = ":path";
+  (void)flags;
+  (void)user_data;
+
+  switch (frame->hd.type) {
+  case NGHTTP2_HEADERS:
+    if (frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
+      break;
+    }
+    stream_data =
+        nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
+    if (!stream_data || stream_data->request_path) {
+      break;
+    }
+    if (namelen == sizeof(PATH) - 1 && memcmp(PATH, name, namelen) == 0) {
+      size_t j;
+      for (j = 0; j < valuelen && value[j] != '?'; ++j)
+        ;
+      stream_data->request_path = percent_decode(value, j);
+    }
+    break;
+  }
+  return 0;
+}
+
+static int on_begin_headers_callback(nghttp2_session *session,
+                                     const nghttp2_frame *frame,
+                                     void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  http2_stream_data *stream_data;
+
+  if (frame->hd.type != NGHTTP2_HEADERS ||
+      frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
+    return 0;
+  }
+  stream_data = create_http2_stream_data(session_data, frame->hd.stream_id);
+  nghttp2_session_set_stream_user_data(session, frame->hd.stream_id,
+                                       stream_data);
+  return 0;
+}
+
+/* Minimum check for directory traversal. Returns nonzero if it is
+   safe. */
+static int check_path(const char *path) {
+  /* We don't like '\' in url. */
+  return path[0] && path[0] == '/' && strchr(path, '\\') == NULL &&
+         strstr(path, "/../") == NULL && strstr(path, "/./") == NULL &&
+         !ends_with(path, "/..") && !ends_with(path, "/.");
+}
+
+static int on_request_recv(nghttp2_session *session,
+                           http2_session_data *session_data,
+                           http2_stream_data *stream_data) {
+  int fd;
+  nghttp2_nv hdrs[] = {MAKE_NV(":status", "200")};
+  char *rel_path;
+
+  if (!stream_data->request_path) {
+    if (error_reply(session, stream_data) != 0) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+    return 0;
+  }
+  fprintf(stderr, "%s GET %s\n", session_data->client_addr,
+          stream_data->request_path);
+  if (!check_path(stream_data->request_path)) {
+    if (error_reply(session, stream_data) != 0) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+    return 0;
+  }
+  for (rel_path = stream_data->request_path; *rel_path == '/'; ++rel_path)
+    ;
+  fd = open(rel_path, O_RDONLY);
+  if (fd == -1) {
+    if (error_reply(session, stream_data) != 0) {
+      return NGHTTP2_ERR_CALLBACK_FAILURE;
+    }
+    return 0;
+  }
+  stream_data->fd = fd;
+
+  if (send_response(session, stream_data->stream_id, hdrs, ARRLEN(hdrs), fd) !=
+      0) {
+    close(fd);
+    return NGHTTP2_ERR_CALLBACK_FAILURE;
+  }
+  return 0;
+}
+
+static int on_frame_recv_callback(nghttp2_session *session,
+                                  const nghttp2_frame *frame, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  http2_stream_data *stream_data;
+  switch (frame->hd.type) {
+  case NGHTTP2_DATA:
+  case NGHTTP2_HEADERS:
+    /* Check that the client request has finished */
+    if (frame->hd.flags & NGHTTP2_FLAG_END_STREAM) {
+      stream_data =
+          nghttp2_session_get_stream_user_data(session, frame->hd.stream_id);
+      /* For DATA and HEADERS frame, this callback may be called after
+         on_stream_close_callback. Check that stream still alive. */
+      if (!stream_data) {
+        return 0;
+      }
+      return on_request_recv(session, session_data, stream_data);
+    }
+    break;
+  default:
+    break;
+  }
+  return 0;
+}
+
+static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
+                                    uint32_t error_code, void *user_data) {
+  http2_session_data *session_data = (http2_session_data *)user_data;
+  http2_stream_data *stream_data;
+  (void)error_code;
+
+  stream_data = nghttp2_session_get_stream_user_data(session, stream_id);
+  if (!stream_data) {
+    return 0;
+  }
+  remove_stream(session_data, stream_data);
+  delete_http2_stream_data(stream_data);
+  return 0;
+}
+
+static void initialize_nghttp2_session(http2_session_data *session_data) {
+  nghttp2_session_callbacks *callbacks;
+
+  nghttp2_session_callbacks_new(&callbacks);
+
+  nghttp2_session_callbacks_set_send_callback(callbacks, send_callback);
+
+  nghttp2_session_callbacks_set_on_frame_recv_callback(callbacks,
+                                                       on_frame_recv_callback);
+
+  nghttp2_session_callbacks_set_on_stream_close_callback(
+      callbacks, on_stream_close_callback);
+
+  nghttp2_session_callbacks_set_on_header_callback(callbacks,
+                                                   on_header_callback);
+
+  nghttp2_session_callbacks_set_on_begin_headers_callback(
+      callbacks, on_begin_headers_callback);
+
+  nghttp2_session_server_new(&session_data->session, callbacks, session_data);
+
+  nghttp2_session_callbacks_del(callbacks);
+}
+
+/* Send HTTP/2 client connection header, which includes 24 bytes
+   magic octets and SETTINGS frame */
+static int send_server_connection_header(http2_session_data *session_data) {
+  nghttp2_settings_entry iv[1] = {
+      {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100}};
+  int rv;
+
+  rv = nghttp2_submit_settings(session_data->session, NGHTTP2_FLAG_NONE, iv,
+                               ARRLEN(iv));
+  if (rv != 0) {
+    warnx("Fatal error: %s", nghttp2_strerror(rv));
+    return -1;
+  }
+  return 0;
+}
+
+/* readcb for bufferevent after client connection header was
+   checked. */
+static void readcb(struct bufferevent *bev, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  (void)bev;
+
+  if (session_recv(session_data) != 0) {
+    delete_http2_session_data(session_data);
+    return;
+  }
+}
+
+/* writecb for bufferevent. To greaceful shutdown after sending or
+   receiving GOAWAY, we check the some conditions on the nghttp2
+   library and output buffer of bufferevent. If it indicates we have
+   no business to this session, tear down the connection. If the
+   connection is not going to shutdown, we call session_send() to
+   process pending data in the output buffer. This is necessary
+   because we have a threshold on the buffer size to avoid too much
+   buffering. See send_callback(). */
+static void writecb(struct bufferevent *bev, void *ptr) {
+  http2_session_data *session_data = (http2_session_data *)ptr;
+  if (evbuffer_get_length(bufferevent_get_output(bev)) > 0) {
+    return;
+  }
+  if (nghttp2_session_want_read(session_data->session) == 0 &&
+      nghttp2_session_want_write(session_data->session) == 0) {
+    delete_http2_session_data(session_data);
+    return;
+  }
+  if (session_send(session_data) != 0) {
+    delete_http2_session_data(session_data);
+    return;
+  }
+}
+
+/* eventcb for bufferevent */
+static void eventcb(struct bufferevent *bev, 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;
+    (void)bev;
+
+    fprintf(stderr, "%s connected\n", session_data->client_addr);
+
+    ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+#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 ||
+        session_send(session_data) != 0) {
+      delete_http2_session_data(session_data);
+      return;
+    }
+
+    return;
+  }
+  if (events & BEV_EVENT_EOF) {
+    fprintf(stderr, "%s EOF\n", session_data->client_addr);
+  } else if (events & BEV_EVENT_ERROR) {
+    fprintf(stderr, "%s network error\n", session_data->client_addr);
+  } else if (events & BEV_EVENT_TIMEOUT) {
+    fprintf(stderr, "%s timeout\n", session_data->client_addr);
+  }
+  delete_http2_session_data(session_data);
+}
+
+/* callback for evconnlistener */
+static void acceptcb(struct evconnlistener *listener, int fd,
+                     struct sockaddr *addr, int addrlen, void *arg) {
+  app_context *app_ctx = (app_context *)arg;
+  http2_session_data *session_data;
+  (void)listener;
+
+  session_data = create_http2_session_data(app_ctx, fd, addr, addrlen);
+
+  bufferevent_setcb(session_data->bev, readcb, writecb, eventcb, session_data);
+}
+
+static void start_listen(struct event_base *evbase, const char *service,
+                         app_context *app_ctx) {
+  int rv;
+  struct addrinfo hints;
+  struct addrinfo *res, *rp;
+
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_family = AF_UNSPEC;
+  hints.ai_socktype = SOCK_STREAM;
+  hints.ai_flags = AI_PASSIVE;
+#ifdef AI_ADDRCONFIG
+  hints.ai_flags |= AI_ADDRCONFIG;
+#endif /* AI_ADDRCONFIG */
+
+  rv = getaddrinfo(NULL, service, &hints, &res);
+  if (rv != 0) {
+    errx(1, "Could not resolve server address");
+  }
+  for (rp = res; rp; rp = rp->ai_next) {
+    struct evconnlistener *listener;
+    listener = evconnlistener_new_bind(
+        evbase, acceptcb, app_ctx, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE,
+        16, rp->ai_addr, (int)rp->ai_addrlen);
+    if (listener) {
+      freeaddrinfo(res);
+
+      return;
+    }
+  }
+  errx(1, "Could not start listener");
+}
+
+static void initialize_app_context(app_context *app_ctx, SSL_CTX *ssl_ctx,
+                                   struct event_base *evbase) {
+  memset(app_ctx, 0, sizeof(app_context));
+  app_ctx->ssl_ctx = ssl_ctx;
+  app_ctx->evbase = evbase;
+}
+
+static void run(const char *service, const char *key_file,
+                const char *cert_file) {
+  SSL_CTX *ssl_ctx;
+  app_context app_ctx;
+  struct event_base *evbase;
+
+  ssl_ctx = create_ssl_ctx(key_file, cert_file);
+  evbase = event_base_new();
+  initialize_app_context(&app_ctx, ssl_ctx, evbase);
+  start_listen(evbase, service, &app_ctx);
+
+  event_base_loop(evbase, 0);
+
+  event_base_free(evbase);
+  SSL_CTX_free(ssl_ctx);
+}
+
+int main(int argc, char **argv) {
+  struct sigaction act;
+
+  if (argc < 4) {
+    fprintf(stderr, "Usage: libevent-server PORT KEY_FILE CERT_FILE\n");
+    exit(EXIT_FAILURE);
+  }
+
+  memset(&act, 0, sizeof(struct sigaction));
+  act.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &act, NULL);
+
+  SSL_load_error_strings();
+  SSL_library_init();
+
+  run(argv[1], argv[2], argv[3]);
+  return 0;
+}