Bump up version number to 1.39.2, LT revision to 32:0:18

Fix request stall if backend connection is reused and buffer is full.

.clang-format

@@ -2,35 +2,26 @@
 Language:        Cpp
 AccessModifierOffset: -2
 AlignAfterOpenBracket: Align
-AlignArrayOfStructures: None
-AlignConsecutiveMacros: None
-AlignConsecutiveAssignments: None
-AlignConsecutiveBitFields: None
-AlignConsecutiveDeclarations: None
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
 AlignEscapedNewlines: Right
-AlignOperands:   Align
+AlignOperands:   true
 AlignTrailingComments: true
-AllowAllArgumentsOnNextLine: true
 AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortEnumsOnASingleLine: true
-AllowShortBlocksOnASingleLine: Never
+AllowShortBlocksOnASingleLine: false
 AllowShortCaseLabelsOnASingleLine: false
 AllowShortFunctionsOnASingleLine: All
-AllowShortLambdasOnASingleLine: All
-AllowShortIfStatementsOnASingleLine: Never
+AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
 AlwaysBreakTemplateDeclarations: MultiLine
-AttributeMacros:
-  - __capability
 BinPackArguments: true
 BinPackParameters: true
-BraceWrapping:
-  AfterCaseLabel:  false
+BraceWrapping:   
   AfterClass:      false
-  AfterControlStatement: Never
+  AfterControlStatement: false
   AfterEnum:       false
   AfterFunction:   false
   AfterNamespace:  false
@@ -40,14 +31,11 @@ BraceWrapping:
   AfterExternBlock: false
   BeforeCatch:     false
   BeforeElse:      false
-  BeforeLambdaBody: false
-  BeforeWhile:     false
   IndentBraces:    false
   SplitEmptyFunction: true
   SplitEmptyRecord: true
   SplitEmptyNamespace: true
 BreakBeforeBinaryOperators: None
-BreakBeforeConceptDeclarations: true
 BreakBeforeBraces: Attach
 BreakBeforeInheritanceComma: false
 BreakInheritanceList: BeforeColon
@@ -58,134 +46,75 @@ BreakAfterJavaFieldAnnotations: false
 BreakStringLiterals: true
 ColumnLimit:     80
 CommentPragmas:  '^ IWYU pragma:'
-QualifierAlignment: Leave
 CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
 ConstructorInitializerIndentWidth: 4
 ContinuationIndentWidth: 4
 Cpp11BracedListStyle: true
-DeriveLineEnding: true
 DerivePointerAlignment: false
 DisableFormat:   false
-EmptyLineAfterAccessModifier: Never
-EmptyLineBeforeAccessModifier: LogicalBlock
 ExperimentalAutoDetectBinPacking: false
-PackConstructorInitializers: NextLine
-BasedOnStyle:    ''
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
-AllowAllConstructorInitializersOnNextLine: true
 FixNamespaceComments: true
-ForEachMacros:
+ForEachMacros:   
   - foreach
   - Q_FOREACH
   - BOOST_FOREACH
-IfMacros:
-  - KJ_IF_MAYBE
 IncludeBlocks:   Preserve
-IncludeCategories:
+IncludeCategories: 
   - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
     Priority:        2
-    SortPriority:    0
-    CaseSensitive:   false
   - Regex:           '^(<|"(gtest|isl|json)/)'
     Priority:        3
-    SortPriority:    0
-    CaseSensitive:   false
   - Regex:           '.*'
     Priority:        1
-    SortPriority:    0
-    CaseSensitive:   false
 IncludeIsMainRegex: '$'
-IncludeIsMainSourceRegex: ''
-IndentAccessModifiers: false
 IndentCaseLabels: false
-IndentCaseBlocks: false
-IndentGotoLabels: true
 IndentPPDirectives: AfterHash
-IndentExternBlock: AfterExternBlock
-IndentRequires:  false
 IndentWidth:     2
 IndentWrappedFunctionNames: false
-InsertTrailingCommas: None
 JavaScriptQuotes: Leave
 JavaScriptWrapImports: true
 KeepEmptyLinesAtTheStartOfBlocks: true
-LambdaBodyIndentation: Signature
 MacroBlockBegin: ''
 MacroBlockEnd:   ''
 MaxEmptyLinesToKeep: 1
 NamespaceIndentation: None
 ObjCBinPackProtocolList: Auto
 ObjCBlockIndentWidth: 2
-ObjCBreakBeforeNestedBlockParam: true
 ObjCSpaceAfterProperty: false
 ObjCSpaceBeforeProtocolList: true
 PenaltyBreakAssignment: 2
 PenaltyBreakBeforeFirstCallParameter: 19
 PenaltyBreakComment: 300
 PenaltyBreakFirstLessLess: 120
-PenaltyBreakOpenParenthesis: 0
 PenaltyBreakString: 1000
 PenaltyBreakTemplateDeclaration: 10
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
-PenaltyIndentedWhitespace: 0
 PointerAlignment: Right
-PPIndentWidth:   -1
-ReferenceAlignment: Pointer
 ReflowComments:  true
-RemoveBracesLLVM: false
-SeparateDefinitionBlocks: Leave
-ShortNamespaceLines: 1
-SortIncludes:    Never
-SortJavaStaticImport: Before
+SortIncludes:    false
 SortUsingDeclarations: true
 SpaceAfterCStyleCast: false
-SpaceAfterLogicalNot: false
 SpaceAfterTemplateKeyword: true
 SpaceBeforeAssignmentOperators: true
-SpaceBeforeCaseColon: false
 SpaceBeforeCpp11BracedList: false
 SpaceBeforeCtorInitializerColon: true
 SpaceBeforeInheritanceColon: true
 SpaceBeforeParens: ControlStatements
-SpaceBeforeParensOptions:
-  AfterControlStatements: true
-  AfterForeachMacros: true
-  AfterFunctionDefinitionName: false
-  AfterFunctionDeclarationName: false
-  AfterIfMacros:   true
-  AfterOverloadedOperator: false
-  BeforeNonEmptyParentheses: false
-SpaceAroundPointerQualifiers: Default
 SpaceBeforeRangeBasedForLoopColon: true
-SpaceInEmptyBlock: false
 SpaceInEmptyParentheses: false
 SpacesBeforeTrailingComments: 1
-SpacesInAngles:  Never
-SpacesInConditionalStatement: false
+SpacesInAngles:  false
 SpacesInContainerLiterals: true
 SpacesInCStyleCastParentheses: false
-SpacesInLineCommentPrefix:
-  Minimum:         1
-  Maximum:         -1
 SpacesInParentheses: false
 SpacesInSquareBrackets: false
-SpaceBeforeSquareBrackets: false
-BitFieldColonSpacing: Both
-Standard:        Latest
-StatementAttributeLikeMacros:
-  - Q_EMIT
-StatementMacros:
+Standard:        Cpp11
+StatementMacros: 
   - Q_UNUSED
   - QT_REQUIRE_VERSION
 TabWidth:        8
-UseCRLF:         false
 UseTab:          Never
-WhitespaceSensitiveMacros:
-  - STRINGIZE
-  - PP_STRINGIZE
-  - BOOST_PP_STRINGIZE
-  - NS_SWIFT_NAME
-  - CF_SWIFT_NAME
 ...
 

.github/dependabot.yml

@@ -1,6 +0,0 @@
-version: 2
-updates:
-- package-ecosystem: "github-actions"
-  directory: "/"
-  schedule:
-    interval: "weekly"

.github/workflows/build.yml

@@ -1,482 +0,0 @@
-name: build
-
-on: [push, pull_request]
-
-permissions: read-all
-
-env:
-  LIBBPF_VERSION: v1.2.2
-  OPENSSL1_VERSION: 1_1_1w+quic
-  OPENSSL3_VERSION: 3.1.2+quic
-  BORINGSSL_VERSION: 6ca49385b168f47a50e7172d82a590b218f55e4d
-  NGHTTP3_VERSION: v1.0.0
-  NGTCP2_VERSION: v1.0.1
-
-jobs:
-  build-cache:
-    strategy:
-      matrix:
-        os: [ubuntu-22.04, macos-12]
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Restore libbpf cache
-      id: cache-libbpf
-      uses: actions/cache@v3
-      if: runner.os == 'Linux'
-      with:
-        path: libbpf/build
-        key: ${{ runner.os }}-libbpf-${{ env.LIBBPF_VERSION }}
-    - name: Restore OpenSSL v1.1.1 cache
-      id: cache-openssl1
-      uses: actions/cache@v3
-      with:
-        path: openssl1/build
-        key: ${{ runner.os }}-openssl-${{ env.OPENSSL1_VERSION }}
-    - name: Restore OpenSSL v3.x cache
-      id: cache-openssl3
-      uses: actions/cache@v3
-      with:
-        path: openssl3/build
-        key: ${{ runner.os }}-openssl-${{ env.OPENSSL3_VERSION }}
-    - name: Restore BoringSSL cache
-      id: cache-boringssl
-      uses: actions/cache@v3
-      with:
-        path: |
-          boringssl/build/crypto/libcrypto.a
-          boringssl/build/ssl/libssl.a
-          boringssl/include
-        key: ${{ runner.os }}-boringssl-${{ env.BORINGSSL_VERSION }}
-    - name: Restore nghttp3 cache
-      id: cache-nghttp3
-      uses: actions/cache@v3
-      with:
-        path: nghttp3/build
-        key: ${{ runner.os }}-nghttp3-${{ env.NGHTTP3_VERSION }}
-    - name: Restore ngtcp2 + quictls/openssl v1.1.1 cache
-      id: cache-ngtcp2-openssl1
-      uses: actions/cache@v3
-      with:
-        path: ngtcp2-openssl1/build
-        key: ${{ runner.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL1_VERSION }}
-    - name: Restore ngtcp2 + quictls/openssl v3.x cache
-      id: cache-ngtcp2-openssl3
-      uses: actions/cache@v3
-      with:
-        path: ngtcp2-openssl3/build
-        key: ${{ runner.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL3_VERSION }}
-    - id: settings
-      if: |
-        (steps.cache-libbpf.outputs.cache-hit != 'true' && runner.os == 'Linux') ||
-        steps.cache-openssl1.outputs.cache-hit != 'true' ||
-        steps.cache-openssl3.outputs.cache-hit != 'true' ||
-        steps.cache-boringssl.outputs.cache-hit != 'true' ||
-        steps.cache-nghttp3.outputs.cache-hit != 'true' ||
-        steps.cache-ngtcp2-openssl1.outputs.cache-hit != 'true' ||
-        steps.cache-ngtcp2-openssl3.outputs.cache-hit != 'true'
-      run: |
-        echo 'needs-build=true' >> $GITHUB_OUTPUT
-    - name: Linux setup
-      if: runner.os == 'Linux' && steps.settings.outputs.needs-build == 'true'
-      run: |
-        sudo apt-get install \
-          g++-12 \
-          clang-14 \
-          autoconf \
-          automake \
-          autotools-dev \
-          libtool \
-          pkg-config \
-          libelf-dev \
-          cmake \
-          cmake-data
-    - name: MacOS setup
-      if: runner.os == 'macOS' && steps.settings.outputs.needs-build == 'true'
-      run: |
-        brew install \
-          autoconf \
-          automake \
-          pkg-config \
-          libtool
-    - name: Build libbpf
-      if: steps.cache-libbpf.outputs.cache-hit != 'true' && runner.os == 'Linux'
-      run: |
-        git clone -b ${{ env.LIBBPF_VERSION }} https://github.com/libbpf/libbpf
-        cd libbpf
-        make -C src install PREFIX=$PWD/build
-    - name: Build quictls/openssl v1.1.1
-      if: steps.cache-openssl1.outputs.cache-hit != 'true'
-      run: |
-        git clone --depth 1 -b OpenSSL_${{ env.OPENSSL1_VERSION }} https://github.com/quictls/openssl openssl1
-        cd openssl1
-        ./config --prefix=$PWD/build
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
-        make install_sw
-    - name: Build quictls/openssl v3.x
-      if: steps.cache-openssl3.outputs.cache-hit != 'true'
-      run: |
-        git clone --depth 1 -b openssl-${{ env.OPENSSL3_VERSION }} https://github.com/quictls/openssl openssl3
-        cd openssl3
-        ./config enable-ktls --prefix=$PWD/build --libdir=$PWD/build/lib
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
-        make install_sw
-    - name: Build BoringSSL
-      if: steps.cache-boringssl.outputs.cache-hit != 'true'
-      run: |
-        git clone https://boringssl.googlesource.com/boringssl
-        cd boringssl
-        git checkout ${{ env.BORINGSSL_VERSION }}
-        mkdir build
-        cd build
-        cmake -DCMAKE_POSITION_INDEPENDENT_CODE=ON ..
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
-    - name: Build nghttp3
-      if: steps.cache-nghttp3.outputs.cache-hit != 'true'
-      run: |
-        git clone --depth 1 -b ${{ env.NGHTTP3_VERSION}} https://github.com/ngtcp2/nghttp3
-        cd nghttp3
-        autoreconf -i
-        ./configure --prefix=$PWD/build --enable-lib-only
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
-        make install
-    - name: Build ngtcp2 + quictls/openssl v1.1.1
-      if: steps.cache-ngtcp2-openssl1.outputs.cache-hit != 'true'
-      run: |
-        git clone --depth 1 -b ${{ env.NGTCP2_VERSION }} https://github.com/ngtcp2/ngtcp2 ngtcp2-openssl1
-        cd ngtcp2-openssl1
-        autoreconf -i
-        ./configure --prefix=$PWD/build --enable-lib-only \
-          PKG_CONFIG_PATH="../openssl1/build/lib/pkgconfig" \
-          BORINGSSL_CFLAGS="-I$PWD/../boringssl/include/" \
-          BORINGSSL_LIBS="-L$PWD/../boringssl/build/ssl -lssl -L$PWD/../boringssl/build/crypto -lcrypto" \
-          --with-boringssl
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
-        make install
-    - name: Build ngtcp2 + quictls/openssl v3.x
-      if: steps.cache-ngtcp2-openssl3.outputs.cache-hit != 'true'
-      run: |
-        git clone --depth 1 -b ${{ env.NGTCP2_VERSION }} https://github.com/ngtcp2/ngtcp2 ngtcp2-openssl3
-        cd ngtcp2-openssl3
-        autoreconf -i
-        ./configure --prefix=$PWD/build --enable-lib-only \
-          PKG_CONFIG_PATH="../openssl3/build/lib/pkgconfig" \
-          BORINGSSL_CFLAGS="-I$PWD/../boringssl/include/" \
-          BORINGSSL_LIBS="-L$PWD/../boringssl/build/ssl -lssl -L$PWD/../boringssl/build/crypto -lcrypto" \
-          --with-boringssl
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
-        make install
-
-  build:
-    needs:
-    - build-cache
-
-    strategy:
-      matrix:
-        os: [ubuntu-22.04, macos-12]
-        compiler: [gcc, clang]
-        buildtool: [autotools, cmake]
-        http3: [http3, no-http3]
-        openssl: [openssl1, openssl3, boringssl]
-        exclude:
-        - os: macos-12
-          openssl: openssl3
-        - http3: no-http3
-          openssl: openssl3
-        - os: macos-12
-          compiler: gcc
-        - # disable macos cmake because of include path issue
-          os: macos-12
-          buildtool: cmake
-        - os: macos-12
-          openssl: boringssl
-        - openssl: boringssl
-          buildtool: cmake
-        - openssl: boringssl
-          compiler: gcc
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Linux setup
-      if: runner.os == 'Linux'
-      run: |
-        sudo apt-get install \
-          g++-12 \
-          clang-14 \
-          autoconf \
-          automake \
-          autotools-dev \
-          libtool \
-          pkg-config \
-          zlib1g-dev \
-          libcunit1-dev \
-          libssl-dev \
-          libxml2-dev \
-          libev-dev \
-          libevent-dev \
-          libjansson-dev \
-          libjemalloc-dev \
-          libc-ares-dev \
-          libelf-dev \
-          cmake \
-          cmake-data
-        echo 'CPPFLAGS=-fsanitize=address,undefined -fno-sanitize-recover=undefined -g' >> $GITHUB_ENV
-        echo 'LDFLAGS=-fsanitize=address,undefined -fno-sanitize-recover=undefined' >> $GITHUB_ENV
-    - name: MacOS setup
-      if: runner.os == 'macOS'
-      run: |
-        brew install \
-          libev \
-          libevent \
-          c-ares \
-          cunit \
-          libressl \
-          autoconf \
-          automake \
-          pkg-config \
-          libtool
-        echo 'PKG_CONFIG_PATH=/usr/local/opt/libressl/lib/pkgconfig:/usr/local/opt/libxml2/lib/pkgconfig' >> $GITHUB_ENV
-    - name: Setup clang (Linux)
-      if: runner.os == 'Linux' && matrix.compiler == 'clang'
-      run: |
-        echo 'CC=clang-14' >> $GITHUB_ENV
-        echo 'CXX=clang++-14' >> $GITHUB_ENV
-    - name: Setup clang (MacOS)
-      if: runner.os == 'macOS' && matrix.compiler == 'clang'
-      run: |
-        echo 'CC=clang' >> $GITHUB_ENV
-        echo 'CXX=clang++' >> $GITHUB_ENV
-    - name: Setup gcc (Linux)
-      if: runner.os == 'Linux' && matrix.compiler == 'gcc'
-      run: |
-        echo 'CC=gcc-12' >> $GITHUB_ENV
-        echo 'CXX=g++-12' >> $GITHUB_ENV
-    - name: Setup gcc (MacOS)
-      if: runner.os == 'macOS' && matrix.compiler == 'gcc'
-      run: |
-        echo 'CC=gcc' >> $GITHUB_ENV
-        echo 'CXX=g++' >> $GITHUB_ENV
-    - name: Restore libbpf cache
-      uses: actions/cache/restore@v3
-      if: matrix.http3 == 'http3' && matrix.compiler == 'clang' && runner.os == 'Linux'
-      with:
-        path: libbpf/build
-        key: ${{ runner.os }}-libbpf-${{ env.LIBBPF_VERSION }}
-        fail-on-cache-miss: true
-    - name: Set libbpf variables
-      if: matrix.http3 == 'http3' && matrix.compiler == 'clang' && runner.os == 'Linux'
-      run: |
-        cd libbpf
-
-        EXTRA_AUTOTOOLS_OPTS="--with-libbpf"
-        EXTRA_CMAKE_OPTS="-DWITH_LIBBPF=1"
-
-        echo 'EXTRA_AUTOTOOLS_OPTS='"$EXTRA_AUTOTOOLS_OPTS" >> $GITHUB_ENV
-        echo 'EXTRA_CMAKE_OPTS='"$EXTRA_CMAKE_OPTS" >> $GITHUB_ENV
-    - name: Restore quictls/openssl v1.1.1 cache
-      uses: actions/cache/restore@v3
-      if: matrix.http3 == 'http3' && matrix.openssl == 'openssl1'
-      with:
-        path: openssl1/build
-        key: ${{ runner.os }}-openssl-${{ env.OPENSSL1_VERSION }}
-        fail-on-cache-miss: true
-    - name: Restore quictls/openssl v3.x cache
-      uses: actions/cache/restore@v3
-      if: matrix.http3 == 'http3' && matrix.openssl == 'openssl3'
-      with:
-        path: openssl3/build
-        key: ${{ runner.os }}-openssl-${{ env.OPENSSL3_VERSION }}
-        fail-on-cache-miss: true
-    - name: Restore BoringSSL cache
-      uses: actions/cache/restore@v3
-      if: matrix.openssl == 'boringssl'
-      with:
-        path: |
-          boringssl/build/crypto/libcrypto.a
-          boringssl/build/ssl/libssl.a
-          boringssl/include
-        key: ${{ runner.os }}-boringssl-${{ env.BORINGSSL_VERSION }}
-        fail-on-cache-miss: true
-    - name: Set BoringSSL variables
-      if: matrix.openssl == 'boringssl'
-      run: |
-        cd boringssl
-
-        OPENSSL_CFLAGS="-I$PWD/include/"
-        OPENSSL_LIBS="-L$PWD/build/ssl -lssl -L$PWD/build/crypto -lcrypto -pthread"
-        EXTRA_AUTOTOOLS_OPTS="$EXTRA_AUTOTOOLS_OPTS --without-neverbleed --without-jemalloc"
-
-        echo 'OPENSSL_CFLAGS='"$OPENSSL_CFLAGS" >> $GITHUB_ENV
-        echo 'OPENSSL_LIBS='"$OPENSSL_LIBS" >> $GITHUB_ENV
-        echo 'BORINGSSL_CFLAGS='"$OPENSSL_CFLAGS" >> $GITHUB_ENV
-        echo 'BORINGSSL_LIBS='"$OPENSSL_LIBS" >> $GITHUB_ENV
-        echo 'EXTRA_AUTOTOOLS_OPTS='"$EXTRA_AUTOTOOLS_OPTS" >> $GITHUB_ENV
-    - name: Restore nghttp3 cache
-      uses: actions/cache/restore@v3
-      if: matrix.http3 == 'http3'
-      with:
-        path: nghttp3/build
-        key: ${{ runner.os }}-nghttp3-${{ env.NGHTTP3_VERSION }}
-        fail-on-cache-miss: true
-    - name: Restore ngtcp2 + quictls/openssl v1.1.1 cache
-      uses: actions/cache/restore@v3
-      if: matrix.http3 == 'http3' && (matrix.openssl == 'openssl1' || matrix.openssl == 'boringssl')
-      with:
-        path: ngtcp2-openssl1/build
-        key: ${{ runner.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL1_VERSION }}
-        fail-on-cache-miss: true
-    - name: Restore ngtcp2 + quictls/openssl v3.x cache
-      uses: actions/cache/restore@v3
-      if: matrix.http3 == 'http3' && matrix.openssl == 'openssl3'
-      with:
-        path: ngtcp2-openssl3/build
-        key: ${{ runner.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL3_VERSION }}
-        fail-on-cache-miss: true
-    - name: Setup extra environment variables for HTTP/3
-      if: matrix.http3 == 'http3'
-      run: |
-        PKG_CONFIG_PATH="$PWD/openssl1/build/lib/pkgconfig:$PWD/openssl3/build/lib/pkgconfig:$PWD/nghttp3/build/lib/pkgconfig:$PWD/ngtcp2-openssl1/build/lib/pkgconfig:$PWD/ngtcp2-openssl3/build/lib/pkgconfig:$PWD/libbpf/build/lib64/pkgconfig:$PKG_CONFIG_PATH"
-        LDFLAGS="$LDFLAGS -Wl,-rpath,$PWD/openssl1/build/lib -Wl,-rpath,$PWD/openssl3/build/lib -Wl,-rpath,$PWD/libbpf/build/lib64"
-        EXTRA_AUTOTOOLS_OPTS="--enable-http3 $EXTRA_AUTOTOOLS_OPTS"
-        EXTRA_CMAKE_OPTS="-DENABLE_HTTP3=1 $EXTRA_CMAKE_OPTS"
-
-        echo 'PKG_CONFIG_PATH='"$PKG_CONFIG_PATH" >> $GITHUB_ENV
-        echo 'LDFLAGS='"$LDFLAGS" >> $GITHUB_ENV
-        echo 'EXTRA_AUTOTOOLS_OPTS='"$EXTRA_AUTOTOOLS_OPTS" >> $GITHUB_ENV
-        echo 'EXTRA_CMAKE_OPTS='"$EXTRA_CMAKE_OPTS" >> $GITHUB_ENV
-    - name: Setup git submodules
-      run: |
-        git submodule update --init
-    - name: Configure autotools
-      run: |
-        autoreconf -i
-        ./configure
-    - name: Configure cmake (Linux)
-      if: matrix.buildtool == 'cmake' && runner.os == 'Linux'
-      run: |
-        make dist
-        VERSION=$(grep PACKAGE_VERSION config.h | cut -d' ' -f3 | tr -d '"')
-        tar xf nghttp2-$VERSION.tar.gz
-        cd nghttp2-$VERSION
-        echo 'NGHTTP2_CMAKE_DIR='"$PWD" >> $GITHUB_ENV
-
-        cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DWITH_NEVERBLEED=1 -DENABLE_APP=1 $EXTRA_CMAKE_OPTS -DCPPFLAGS="$CPPFLAGS" -DLDFLAGS="$LDFLAGS" .
-    - name: Configure cmake (MacOS)
-      if: matrix.buildtool == 'cmake' && runner.os == 'macOS'
-      run: |
-        make dist
-        VERSION=$(grep PACKAGE_VERSION config.h | cut -d' ' -f3 | tr -d '"')
-        tar xf nghttp2-$VERSION.tar.gz
-        cd nghttp2-$VERSION
-        echo 'NGHTTP2_CMAKE_DIR='"$PWD" >> $GITHUB_ENV
-
-        # This fixes infamous 'stdio.h not found' error.
-        echo 'SDKROOT='"$(xcrun --sdk macosx --show-sdk-path)" >> $GITHUB_ENV
-
-        cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DENABLE_APP=1 $EXTRA_CMAKE_OPTS -DCPPFLAGS="$CPPFLAGS" -DLDFLAGS="$LDFLAGS" .
-    - name: Build nghttp2 with autotools (Linux)
-      if: matrix.buildtool == 'autotools' && runner.os == 'Linux'
-      run: |
-        make -j"$(nproc)" distcheck \
-          DISTCHECK_CONFIGURE_FLAGS="--with-mruby --with-neverbleed --with-libev --enable-werror $EXTRA_AUTOTOOLS_OPTS CPPFLAGS=\"$CPPFLAGS\" LDFLAGS=\"$LDFLAGS\""
-    - name: Build nghttp2 with autotools (MacOS)
-      if: matrix.buildtool == 'autotools' && runner.os == 'macOS'
-      run: |
-        make -j"$(sysctl -n hw.ncpu)" distcheck \
-          DISTCHECK_CONFIGURE_FLAGS="--with-mruby --with-libev --enable-werror $EXTRA_AUTOTOOLS_OPTS CPPFLAGS=\"$CPPFLAGS\" LDFLAGS=\"$LDFLAGS\""
-    - name: Build nghttp2 with cmake
-      if: matrix.buildtool == 'cmake'
-      run: |
-        cd $NGHTTP2_CMAKE_DIR
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
-    - uses: actions/setup-go@v4
-      if: matrix.buildtool == 'cmake'
-      with:
-        go-version-file: go.mod
-    - name: Integration test
-      # Integration tests for nghttpx; autotools erases build
-      # artifacts.
-      if: matrix.buildtool == 'cmake'
-      run: |
-        cd $NGHTTP2_CMAKE_DIR/integration-tests
-        make itprep it
-
-  build-cross:
-    strategy:
-      matrix:
-        host: [x86_64-w64-mingw32, i686-w64-mingw32]
-
-    runs-on: ubuntu-22.04
-
-    env:
-      HOST: ${{ matrix.host }}
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Linux setup
-      run: |
-        sudo dpkg --add-architecture i386
-        sudo apt-get update
-        sudo apt-get install \
-          gcc-mingw-w64 \
-          autoconf \
-          automake \
-          autotools-dev \
-          libtool \
-          pkg-config \
-          wine
-    - name: Build CUnit
-      run: |
-        curl -LO https://jaist.dl.sourceforge.net/project/cunit/CUnit/2.1-3/CUnit-2.1-3.tar.bz2
-        tar xf CUnit-2.1-3.tar.bz2
-        cd CUnit-2.1-3
-        ./bootstrap
-        ./configure --disable-shared --host="$HOST" --prefix="$PWD/build"
-        make -j$(nproc) install
-    - name: Configure autotools
-      run: |
-        autoreconf -i && \
-        ./configure --enable-werror --enable-lib-only --with-cunit \
-          --host="$HOST" PKG_CONFIG_PATH="$PWD/CUnit-2.1-3/build/lib/pkgconfig" \
-          CFLAGS="-g -O2 -D_WIN32_WINNT=0x0600"
-    - name: Build nghttp2
-      run: |
-        make -j$(nproc)
-        make -j$(nproc) check TESTS=""
-    - name: Run tests
-      if: matrix.host == 'x86_64-w64-mingw32'
-      run: |
-        cd tests
-        wine main.exe
-
-  build-windows:
-    strategy:
-      matrix:
-        arch: [x86, x64]
-        include:
-        - arch: x86
-          platform: Win32
-        - arch: x64
-          platform: x64
-
-    runs-on: windows-latest
-
-    steps:
-    - uses: actions/checkout@v4
-    - uses: microsoft/setup-msbuild@v1
-    - run: |
-        vcpkg --triplet=${{ matrix.arch }}-windows install cunit
-    - name: Configure cmake
-      run: |
-        mkdir build
-        cd build
-        cmake -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake -DCMAKE_GENERATOR_PLATFORM=${{ matrix.platform }} -DVCPKG_TARGET_TRIPLET=${{ matrix.arch}}-windows ..
-    - name: Build nghttp2
-      run: |
-        cmake --build build
-        cmake --build build --target check

.github/workflows/fuzz.yml

@@ -1,24 +0,0 @@
-name: CIFuzz
-on: [pull_request]
-permissions: read-all
-jobs:
-  Fuzzing:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Build Fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'nghttp2'
-        dry-run: false
-    - name: Run Fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'nghttp2'
-        fuzz-seconds: 600
-        dry-run: false
-    - name: Upload Crash
-      uses: actions/upload-artifact@v3
-      if: failure()
-      with:
-        name: artifacts
-        path: ./out/artifacts

.gitignore

@@ -54,3 +54,4 @@ _VC_ROOT/
 .depend.MSVC
 *.pyd
 *.egg-info/
+python/nghttp2.c

.gitmodules

@@ -4,4 +4,4 @@
 [submodule "third-party/neverbleed"]
 	path = third-party/neverbleed
 	url = https://github.com/tatsuhiro-t/neverbleed.git
-	branch = nghttp2
+	branch = openssl111fix

.travis.yml

@@ -0,0 +1,89 @@
+dist: xenial
+os:
+  - linux
+compiler:
+  - clang
+  - gcc
+env:
+  matrix:
+    - CI_BUILD=cmake
+    - CI_BUILD=autotools
+matrix:
+  include:
+    - os: osx
+      compiler: clang
+      osx_image: xcode10.2
+      env: CI_BUILD=autotools
+language: cpp
+sudo: required
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - g++-8
+    - autoconf
+    - automake
+    - autotools-dev
+    - libtool
+    - pkg-config
+    - zlib1g-dev
+    - libcunit1-dev
+    - libssl-dev
+    - libxml2-dev
+    - libev-dev
+    - libevent-dev
+    - libjansson-dev
+    - libjemalloc-dev
+    - libc-ares-dev
+    - cmake
+    - cmake-data
+  homebrew:
+    packages:
+      - libev
+      - libevent
+      - c-ares
+      - cunit
+      - libressl
+before_install:
+  - $CC --version
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-8" CC="gcc-8"; fi
+  - $CC --version
+  - go version
+  - cmake --version
+before_script:
+  - |
+    if [ "$TRAVIS_OS_NAME" = "linux" ]; then
+      CPPFLAGS="-fsanitize=address" LDFLAGS="-fsanitize=address -fuse-ld=gold"
+    fi
+  - |
+    if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+      PKG_CONFIG_PATH="/usr/local/opt/libressl/lib/pkgconfig:/usr/local/opt/libxml2/lib/pkgconfig"
+    fi
+  # Now build nghttp2
+  - git submodule update --init
+  - |
+    if [ "$CI_BUILD" = "autotools" ]; then
+      autoreconf -i && ./configure --with-mruby PKG_CONFIG_PATH=$PKG_CONFIG_PATH
+    fi
+  - |
+    if [ "$CI_BUILD" = "cmake" ]; then
+      cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DWITH_NEVERBLEED=1
+    fi
+script:
+  - |
+    if [ "$CI_BUILD" = "autotools" ]; then
+      make distcheck DISTCHECK_CONFIGURE_FLAGS="--with-mruby --with-neverbleed --enable-werror CPPFLAGS=$CPPFLAGS LDFLAGS=\"$LDFLAGS\" PKG_CONFIG_PATH=$PKG_CONFIG_PATH"
+    fi
+  - |
+    if [ "$CI_BUILD" = "cmake" ]; then
+      make && make check
+    fi
+  - |
+    if [ "$CI_BUILD" = "cmake" ]; then
+      # Integration tests for nghttpx; autotools build erases build
+      # for packaging test.
+      cd integration-tests
+      export GO111MODULE=on
+      make it
+    fi

AUTHORS

@@ -17,52 +17,36 @@ github issues [2].
 Adam Gołębiowski
 Alek Storm
 Alex Nalivko
-Alexandr Vlasov
 Alexandros Konstantinakis-Karmis
 Alexis La Goutte
-Amir Livneh
 Amir Pakdel
 Anders Bakken
 Andreas Pohl
-Andrew Penkrat
 Andy Davies
 Angus Gratton
 Anna Henningsen
 Ant Bryan
-Asra Ali
 Benedikt Christoph Wolters
 Benjamin Peterson
 Bernard Spil
 Brendan Heinonen
 Brian Card
 Brian Suh
-Daniel Bevenius
 Daniel Evers
 Daniel Stenberg
 Dave Reisner
 David Beitey
-David Korczynski
 David Weekly
-Dimitris Apostolou
-Dmitri Tikhonov
 Dmitriy Vetutnev
 Don
 Dylan Plecki
 Etienne Cimon
 Fabian Möller
 Fabian Wiesel
-Fred Sundvik
 Gabi Davar
-Gaël PORTAY
-Geoff Hill
-George Liu
 Gitai
 Google Inc.
-Hajime Fujita
-Jacky Tian
-Jacky_Yin
 Jacob Champion
-James M Snell
 Jan Kundrát
 Jan-E
 Janusz Dziemidowicz
@@ -79,38 +63,27 @@ Kenny Peng
 Kit Chan
 Kyle Schomp
 LazyHamster
-Leo Neat
-Lorenz Nickel
 Lucas Pardue
 MATSUMOTO Ryosuke
 Marc Bachmann
-Marcelo Trylesinski
 Matt Rudary
 Matt Way
-Michael Kaufmann
 Mike Conlen
 Mike Frysinger
 Mike Lothian
 Nicholas Hurley
 Nora Shoemaker
-Paweł Wegner
 Pedro Santos
 Peeyush Aggarwal
 Peter Wu
 Piotr Sikora
-PufferOverflow
 Raul Gutierrez Segales
 Remo E
-Renaud
 Reza Tavakoli
-Richard Wolfert
 Rick Lei
 Ross Smith II
-Rudi Heitbaum
-Ryo Ota
 Scott Mitchell
 Sebastiaan Deckers
-Shelley Vohr
 Simon Frankenberger
 Simone Basso
 Soham Sinha
@@ -124,7 +97,6 @@ Tatsuhiko Kubo
 Tatsuhiro Tsujikawa
 Tobias Geerinckx-Rice
 Tom Harwood
-Tomas Krizek
 Tomasz Buchert
 Tomasz Torcz
 Vernon Tang
@@ -132,7 +104,6 @@ Viacheslav Biriukov
 Viktor Szakats
 Viktor Szépe
 Wenfeng Liu
-William A Rowe Jr
 Xiaoguang Sun
 Zhuoyun Wei
 acesso
@@ -145,11 +116,9 @@ es
 fangdingjun
 jwchoi
 kumagi
-lhuang04
 lstefani
 makovich
 mod-h2-dev
 moparisthebest
-robaho
 snnn
 yuuki-kodama

CMakeLists.txt

@@ -24,13 +24,13 @@
 
 cmake_minimum_required(VERSION 3.0)
 # XXX using 1.8.90 instead of 1.9.0-DEV
-project(nghttp2 VERSION 1.58.0)
+project(nghttp2 VERSION 1.39.2)
 
 # See versioning rule:
-#  https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-set(LT_CURRENT  39)
-set(LT_REVISION 1)
-set(LT_AGE      25)
+#  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+set(LT_CURRENT  32)
+set(LT_REVISION 0)
+set(LT_AGE      18)
 
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
 include(Version)
@@ -52,46 +52,44 @@ endif()
 
 include(GNUInstallDirs)
 
-# For documentation
-find_package(Python3 COMPONENTS Interpreter)
+# For Python bindings and documentation
+# (Must be called before PythonLibs for matching versions.)
+find_package(PythonInterp)
 
 # Auto-detection of features that can be toggled
 find_package(OpenSSL 1.0.1)
 find_package(Libev 4.11)
 find_package(Libcares 1.7.5)
 find_package(ZLIB 1.2.3)
-find_package(Libngtcp2 0.0.0)
-find_package(Libngtcp2_crypto_quictls 0.0.0)
-if(LIBNGTCP2_CRYPTO_QUICTLS_FOUND)
-  set(HAVE_LIBNGTCP2_CRYPTO_QUICTLS 1)
-endif()
-find_package(Libnghttp3 0.0.0)
-if(WITH_LIBBPF)
-  find_package(Libbpf 0.4.0)
-  if(NOT LIBBPF_FOUND)
-    message(FATAL_ERROR "libbpf was requested (WITH_LIBBPF=1) but not found.")
-  endif()
-endif()
 if(OPENSSL_FOUND AND LIBEV_FOUND AND ZLIB_FOUND)
   set(ENABLE_APP_DEFAULT ON)
 else()
   set(ENABLE_APP_DEFAULT OFF)
 endif()
-find_package(Systemd 209)
 find_package(Jansson  2.5)
 set(ENABLE_HPACK_TOOLS_DEFAULT ${JANSSON_FOUND})
 # 2.0.8 is required because we use evconnlistener_set_error_cb()
-find_package(Libevent 2.0.8 COMPONENTS core extra openssl)
+find_package(Libevent 2.0.8 COMPONENTS libevent openssl)
 set(ENABLE_EXAMPLES_DEFAULT ${LIBEVENT_OPENSSL_FOUND})
+find_package(Cython)
+find_package(PythonLibs)
+if(CYTHON_FOUND AND PYTHONLIBS_FOUND)
+  set(ENABLE_PYTHON_BINDINGS_DEFAULT ON)
+else()
+  set(ENABLE_PYTHON_BINDINGS_DEFAULT OFF)
+endif()
 
 find_package(LibXml2 2.6.26)
 set(WITH_LIBXML2_DEFAULT    ${LIBXML2_FOUND})
 find_package(Jemalloc)
 set(WITH_JEMALLOC_DEFAULT   ${JEMALLOC_FOUND})
+find_package(Spdylay 1.3.2)
+set(WITH_SPDYLAY_DEFAULT    ${SPDYLAY_FOUND})
 
 include(CMakeOptions.txt)
 
-if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_EXAMPLES))
+if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_EXAMPLES OR
+  ENABLE_PYTHON_BINDINGS))
   # Remember when disabled options are disabled for later diagnostics.
   set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1)
 else()
@@ -101,6 +99,7 @@ if(ENABLE_LIB_ONLY)
   set(ENABLE_APP            OFF)
   set(ENABLE_HPACK_TOOLS    OFF)
   set(ENABLE_EXAMPLES       OFF)
+  set(ENABLE_PYTHON_BINDINGS OFF)
 endif()
 
 # Do not disable assertions based on CMAKE_BUILD_TYPE.
@@ -146,6 +145,20 @@ cmake_pop_check_state()
 # Additional libraries required for programs under src directory.
 set(APP_LIBRARIES)
 
+if(ENABLE_PYTHON_BINDINGS)
+  if(NOT (CYTHON_FOUND AND PYTHONLIBS_FOUND))
+    message(FATAL_ERROR "python bindings were requested "
+      "(ENABLE_PYTHON_BINDINGS=1) but dependencies are not met.")
+  endif()
+  if(NOT PYTHON_VERSION_STRING STREQUAL PYTHONLIBS_VERSION_STRING)
+    message(FATAL_ERROR
+      "Python executable and library must have the same version!"
+      " Found Python ${PYTHON_VERSION_STRING} and"
+      " PythonLibs ${PYTHONLIBS_VERSION_STRING}"
+    )
+  endif()
+endif()
+
 set(CMAKE_THREAD_PREFER_PTHREAD 1)
 find_package(Threads)
 if(CMAKE_USE_PTHREADS_INIT)
@@ -155,7 +168,7 @@ endif()
 # case "$host" in
 #   *android*)
 #     android_build=yes
-#     # android does not need -pthread, but needs following 3 libs for C++
+#     # android does not need -pthread, but needs followng 3 libs for C++
 #     APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
 
 # dl: openssl requires libdl when it is statically linked.
@@ -170,21 +183,9 @@ if(HAVE_CUNIT)
 endif()
 
 # openssl (for src)
-include(CheckSymbolExists)
 set(HAVE_OPENSSL    ${OPENSSL_FOUND})
 if(OPENSSL_FOUND)
   set(OPENSSL_INCLUDE_DIRS  ${OPENSSL_INCLUDE_DIR})
-  cmake_push_check_state()
-  set(CMAKE_REQUIRED_INCLUDES   "${OPENSSL_INCLUDE_DIR}")
-  set(CMAKE_REQUIRED_LIBRARIES  "${OPENSSL_LIBRARIES}")
-  if(WIN32)
-    set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}" "ws2_32" "bcrypt")
-  endif()
-  check_symbol_exists(SSL_is_quic "openssl/ssl.h" HAVE_SSL_IS_QUIC)
-  if(NOT HAVE_SSL_IS_QUIC)
-    message(WARNING "OpenSSL in ${OPENSSL_LIBRARIES} does not have SSL_is_quic.  HTTP/3 support cannot be enabled")
-  endif()
-  cmake_pop_check_state()
 else()
   set(OPENSSL_INCLUDE_DIRS  "")
   set(OPENSSL_LIBRARIES     "")
@@ -192,7 +193,6 @@ endif()
 # libev (for src)
 set(HAVE_LIBEV      ${LIBEV_FOUND})
 set(HAVE_ZLIB       ${ZLIB_FOUND})
-set(HAVE_SYSTEMD    ${SYSTEMD_FOUND})
 set(HAVE_LIBEVENT_OPENSSL ${LIBEVENT_FOUND})
 if(LIBEVENT_FOUND)
   # Must both link the core and openssl libraries.
@@ -218,19 +218,11 @@ else()
 endif()
 # jemalloc
 set(HAVE_JEMALLOC   ${JEMALLOC_FOUND})
+# spdylay (for src/nghttpx and src/h2load)
+set(HAVE_SPDYLAY    ${SPDYLAY_FOUND})
 
-# libbpf (for bpf)
-set(HAVE_LIBBPF ${LIBBPF_FOUND})
-if(LIBBPF_FOUND)
-  set(BPFCFLAGS -Wall -O2 -g)
-  if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
-    # For Debian/Ubuntu
-    set(EXTRABPFCFLAGS -I/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
-  endif()
-
-  check_c_source_compiles("
-#include <linux/bpf.h>
-int main() { enum bpf_stats_type foo; (void)foo; }" HAVE_BPF_STATS_TYPE)
+if(ENABLE_ASIO_LIB)
+  find_package(Boost 1.54.0 REQUIRED system thread)
 endif()
 
 # The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL and libev
@@ -238,24 +230,18 @@ if(ENABLE_APP AND NOT (ZLIB_FOUND AND OPENSSL_FOUND AND LIBEV_FOUND))
   message(FATAL_ERROR "Applications were requested (ENABLE_APP=1) but dependencies are not met.")
 endif()
 
-# HTTP/3 requires quictls/openssl, libngtcp2, libngtcp2_crypto_quictls
-# and libnghttp3.
-if(ENABLE_HTTP3 AND NOT (HAVE_SSL_IS_QUIC AND LIBNGTCP2_FOUND AND LIBNGTCP2_CRYPTO_QUICTLS_FOUND AND LIBNGHTTP3_FOUND))
-  message(FATAL_ERROR "HTTP/3 was requested (ENABLE_HTTP3=1) but dependencies are not met.")
-endif()
-
 # HPACK tools requires jansson
 if(ENABLE_HPACK_TOOLS AND NOT HAVE_JANSSON)
   message(FATAL_ERROR "HPACK tools were requested (ENABLE_HPACK_TOOLS=1) but dependencies are not met.")
 endif()
 
-# examples
+# C++ library libnghttp2_asio
 if(ENABLE_EXAMPLES AND NOT (OPENSSL_FOUND AND LIBEVENT_OPENSSL_FOUND))
   message(FATAL_ERROR "examples were requested (ENABLE_EXAMPLES=1) but dependencies are not met.")
 endif()
 
 # third-party http-parser only be built when needed
-if(ENABLE_EXAMPLES OR ENABLE_APP OR ENABLE_HPACK_TOOLS)
+if(ENABLE_EXAMPLES OR ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_ASIO_LIB)
   set(ENABLE_THIRD_PARTY 1)
   # mruby (for src/nghttpx)
   set(HAVE_MRUBY      ${WITH_MRUBY})
@@ -273,11 +259,9 @@ check_include_file("inttypes.h"     HAVE_INTTYPES_H)
 check_include_file("limits.h"       HAVE_LIMITS_H)
 check_include_file("netdb.h"        HAVE_NETDB_H)
 check_include_file("netinet/in.h"   HAVE_NETINET_IN_H)
-check_include_file("netinet/ip.h"   HAVE_NETINET_IP_H)
 check_include_file("pwd.h"          HAVE_PWD_H)
 check_include_file("sys/socket.h"   HAVE_SYS_SOCKET_H)
 check_include_file("sys/time.h"     HAVE_SYS_TIME_H)
-check_include_file("sysinfoapi.h"   HAVE_SYSINFOAPI_H)
 check_include_file("syslog.h"       HAVE_SYSLOG_H)
 check_include_file("time.h"         HAVE_TIME_H)
 check_include_file("unistd.h"       HAVE_UNISTD_H)
@@ -318,11 +302,8 @@ check_type_size("time_t"  SIZEOF_TIME_T)
 include(CheckFunctionExists)
 check_function_exists(_Exit     HAVE__EXIT)
 check_function_exists(accept4   HAVE_ACCEPT4)
-check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
 check_function_exists(mkostemp  HAVE_MKOSTEMP)
 
-check_symbol_exists(GetTickCount64 sysinfoapi.h HAVE_GETTICKCOUNT64)
-
 include(CheckSymbolExists)
 # XXX does this correctly detect initgroups (un)availability on cygwin?
 check_symbol_exists(initgroups grp.h HAVE_DECL_INITGROUPS)
@@ -343,12 +324,65 @@ if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
   endif()
 else()
   if(ENABLE_WERROR)
-    set(WARNCFLAGS   "-Werror")
-    set(WARNCXXFLAGS "-Werror")
+    extract_valid_c_flags(WARNCFLAGS    -Werror)
+    extract_valid_c_flags(WARNCXXFLAGS  -Werror)
   endif()
 
-  include(PickyWarningsC)
-  include(PickyWarningsCXX)
+  # For C compiler
+  extract_valid_c_flags(WARNCFLAGS
+    -Wall
+    -Wextra
+    -Wmissing-prototypes
+    -Wstrict-prototypes
+    -Wmissing-declarations
+    -Wpointer-arith
+    -Wdeclaration-after-statement
+    -Wformat-security
+    -Wwrite-strings
+    -Wshadow
+    -Winline
+    -Wnested-externs
+    -Wfloat-equal
+    -Wundef
+    -Wendif-labels
+    -Wempty-body
+    -Wcast-align
+    -Wclobbered
+    -Wvla
+    -Wpragmas
+    -Wunreachable-code
+    -Waddress
+    -Wattributes
+    -Wdiv-by-zero
+    -Wshorten-64-to-32
+
+    -Wconversion
+    -Wextended-offsetof
+    -Wformat-nonliteral
+    -Wlanguage-extension-token
+    -Wmissing-field-initializers
+    -Wmissing-noreturn
+    -Wmissing-variable-declarations
+    # Not used because we cannot change public structs
+    # -Wpadded
+    -Wsign-conversion
+    # Not used because this basically disallows default case
+    # -Wswitch-enum
+    -Wunreachable-code-break
+    -Wunused-macros
+    -Wunused-parameter
+    -Wredundant-decls
+    # Only work with Clang for the moment
+    -Wheader-guard
+    # This is required because we pass format string as "const char*.
+    -Wno-format-nonliteral
+  )
+
+  extract_valid_cxx_flags(WARNCXXFLAGS
+    # For C++ compiler
+    -Wall
+    -Wformat-security
+  )
 endif()
 
 if(ENABLE_DEBUG)
@@ -382,6 +416,8 @@ set(sbindir         "${CMAKE_INSTALL_FULL_SBINDIR}")
 foreach(name
    lib/libnghttp2.pc
    lib/includes/nghttp2/nghttp2ver.h
+   src/libnghttp2_asio.pc
+   python/setup.py
    integration-tests/config.go
    integration-tests/setenv
    doc/conf.py
@@ -392,24 +428,24 @@ foreach(name
    doc/tutorial-hpack.rst
    doc/nghttpx-howto.rst
    doc/h2load-howto.rst
+   doc/libnghttp2_asio.rst
+   doc/python-apiref.rst
    doc/building-android-binary.rst
    doc/nghttp2.h.rst
    doc/nghttp2ver.h.rst
+   doc/asio_http2.h.rst
+   doc/asio_http2_server.h.rst
+   doc/asio_http2_client.h.rst
    doc/contribute.rst
 )
   configure_file("${name}.in" "${name}" @ONLY)
 endforeach()
 
-if(APPLE)
-  add_definitions(-D__APPLE_USE_RFC_3542)
-endif()
-
 include_directories(
   "${CMAKE_CURRENT_BINARY_DIR}" # for config.h
 )
 # For use in src/CMakeLists.txt
 set(PKGDATADIR "${CMAKE_INSTALL_FULL_DATADIR}/${CMAKE_PROJECT_NAME}")
-set(PKGLIBDIR "${CMAKE_INSTALL_FULL_LIBDIR}/${CMAKE_PROJECT_NAME}")
 
 install(FILES README.rst DESTINATION "${CMAKE_INSTALL_DOCDIR}")
 
@@ -417,16 +453,15 @@ add_subdirectory(lib)
 #add_subdirectory(lib/includes)
 add_subdirectory(third-party)
 add_subdirectory(src)
+#add_subdirectory(src/includes)
 add_subdirectory(examples)
+add_subdirectory(python)
 add_subdirectory(tests)
 #add_subdirectory(tests/testdata)
 add_subdirectory(integration-tests)
-if(ENABLE_DOC)
-  add_subdirectory(doc)
-endif()
+add_subdirectory(doc)
 add_subdirectory(contrib)
 add_subdirectory(script)
-add_subdirectory(bpf)
 
 
 string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
@@ -444,10 +479,11 @@ message(STATUS "summary of build options:
       CXXFLAGS:       ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
       WARNCFLAGS:     ${WARNCFLAGS}
       CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
-      WARNCXXFLAGS:   ${WARNCXXFLAGS}
     Python:
-      Python:          ${Python3_EXECUTABLE}
-      Python3_VERSION: ${Python3_VERSION}
+      Python:         ${PYTHON_EXECUTABLE}
+      PYTHON_VERSION: ${PYTHON_VERSION_STRING}
+      Library version:${PYTHONLIBS_VERSION_STRING}
+      Cython:         ${CYTHON_EXECUTABLE}
     Test:
       CUnit:          ${HAVE_CUNIT} (LIBS='${CUNIT_LIBRARIES}')
       Failmalloc:     ${ENABLE_FAILMALLOC}
@@ -456,15 +492,13 @@ message(STATUS "summary of build options:
       Libxml2:        ${HAVE_LIBXML2} (LIBS='${LIBXML2_LIBRARIES}')
       Libev:          ${HAVE_LIBEV} (LIBS='${LIBEV_LIBRARIES}')
       Libc-ares:      ${HAVE_LIBCARES} (LIBS='${LIBCARES_LIBRARIES}')
-      Libngtcp2:      ${HAVE_LIBNGTCP2} (LIBS='${LIBNGTCP2_LIBRARIES}')
-      Libngtcp2_crypto_quictls: ${HAVE_LIBNGTCP2_CRYPTO_QUICTLS} (LIBS='${LIBNGTCP2_CRYPTO_QUICTLS_LIBRARIES}')
-      Libnghttp3:     ${HAVE_LIBNGHTTP3} (LIBS='${LIBNGHTTP3_LIBRARIES}')
-      Libbpf:         ${HAVE_LIBBPF} (LIBS='${LIBBPF_LIBRARIES}')
       Libevent(SSL):  ${HAVE_LIBEVENT_OPENSSL} (LIBS='${LIBEVENT_OPENSSL_LIBRARIES}')
+      Spdylay:        ${HAVE_SPDYLAY} (LIBS='${SPDYLAY_LIBRARIES}')
       Jansson:        ${HAVE_JANSSON} (LIBS='${JANSSON_LIBRARIES}')
       Jemalloc:       ${HAVE_JEMALLOC} (LIBS='${JEMALLOC_LIBRARIES}')
       Zlib:           ${HAVE_ZLIB} (LIBS='${ZLIB_LIBRARIES}')
-      Systemd:        ${HAVE_SYSTEMD} (LIBS='${SYSTEMD_LIBRARIES}')
+      Boost::System:  ${Boost_SYSTEM_LIBRARY}
+      Boost::Thread:  ${Boost_THREAD_LIBRARY}
     Third-party:
       http-parser:    ${ENABLE_THIRD_PARTY}
       MRuby:          ${HAVE_MRUBY}
@@ -472,9 +506,10 @@ message(STATUS "summary of build options:
     Features:
       Applications:   ${ENABLE_APP}
       HPACK tools:    ${ENABLE_HPACK_TOOLS}
+      Libnghttp2_asio:${ENABLE_ASIO_LIB}
       Examples:       ${ENABLE_EXAMPLES}
+      Python bindings:${ENABLE_PYTHON_BINDINGS}
       Threading:      ${ENABLE_THREADS}
-      HTTP/3(EXPERIMENTAL): ${ENABLE_HTTP3}
 ")
 if(ENABLE_LIB_ONLY_DISABLED_OTHERS)
   message("Only the library will be built. To build other components "

CMakeOptions.txt

@@ -7,22 +7,23 @@ option(ENABLE_APP       "Build applications (nghttp, nghttpd, nghttpx and h2load
   ${ENABLE_APP_DEFAULT})
 option(ENABLE_HPACK_TOOLS "Build HPACK tools"
   ${ENABLE_HPACK_TOOLS_DEFAULT})
+option(ENABLE_ASIO_LIB  "Build C++ libnghttp2_asio library")
 option(ENABLE_EXAMPLES  "Build examples"
   ${ENABLE_EXAMPLES_DEFAULT})
+option(ENABLE_PYTHON_BINDINGS "Build Python bindings"
+  ${ENABLE_PYTHON_BINDINGS_DEFAULT})
 option(ENABLE_FAILMALLOC "Build failmalloc test program" ON)
-option(ENABLE_LIB_ONLY  "Build libnghttp2 only.  This is a short hand for -DENABLE_APP=0 -DENABLE_EXAMPLES=0 -DENABLE_HPACK_TOOLS=0")
+option(ENABLE_LIB_ONLY  "Build libnghttp2 only.  This is a short hand for -DENABLE_APP=0 -DENABLE_EXAMPLES=0 -DENABLE_HPACK_TOOLS=0 -DENABLE_PYTHON_BINDINGS=0")
 option(ENABLE_STATIC_LIB "Build libnghttp2 in static mode also")
 option(ENABLE_SHARED_LIB "Build libnghttp2 as a shared library" ON)
-option(ENABLE_STATIC_CRT "Build libnghttp2 against the MS LIBCMT[d]")
-option(ENABLE_HTTP3      "Enable HTTP/3 support" OFF)
-option(ENABLE_DOC "Build documentation" ON)
 
 option(WITH_LIBXML2     "Use libxml2"
   ${WITH_LIBXML2_DEFAULT})
 option(WITH_JEMALLOC    "Use jemalloc"
   ${WITH_JEMALLOC_DEFAULT})
+option(WITH_SPDYLAY     "Use spdylay"
+  ${WITH_SPDYLAY_DEFAULT})
 option(WITH_MRUBY       "Use mruby")
 option(WITH_NEVERBLEED  "Use neverbleed")
-option(WITH_LIBBPF      "Use libbpf")
 
 # vim: ft=cmake:

Dockerfile.android

@@ -12,41 +12,59 @@
 
 
 # Only use standalone-toolchain for reduce size
-FROM ubuntu:22.04
+FROM ubuntu:xenial
 MAINTAINER Tatsuhiro Tsujikawa
+ENV ANDROID_HOME /root
+ENV TOOLCHAIN $ANDROID_HOME/toolchain
+ENV PATH $TOOLCHAIN/bin:$PATH
 
-ENV NDK_VERSION r25b
-ENV NDK /root/android-ndk-$NDK_VERSION
-ENV TOOLCHAIN $NDK/toolchains/llvm/prebuilt/linux-x86_64
-ENV TARGET aarch64-linux-android
-ENV API 33
-ENV AR $TOOLCHAIN/bin/llvm-ar
-ENV CC $TOOLCHAIN/bin/$TARGET$API-clang
-ENV CXX $TOOLCHAIN/bin/$TARGET$API-clang++
-ENV LD $TOOLCHAIN/bin/ld
-ENV RANDLIB $TOOLCHAIN/bin/llvm-ranlib
-ENV STRIP $TOOLCHAIN/bin/llvm-strip
-ENV PREFIX /root/usr/local
+ENV NDK_VERSION r14b
 
 WORKDIR /root
 RUN apt-get update && \
     apt-get install -y unzip make binutils autoconf \
       automake autotools-dev libtool pkg-config git \
       curl dpkg-dev libxml2-dev genisoimage libc6-i386 \
-      lib32stdc++6 && \
-    rm -rf /var/cache/apt/*
+      lib32stdc++6 python&& \
+    rm -rf /var/cache/apk/*
 
-# Download NDK
-RUN curl -L -O https://dl.google.com/android/repository/android-ndk-$NDK_VERSION-linux.zip && \
-   unzip -q android-ndk-$NDK_VERSION-linux.zip && \
-   rm android-ndk-$NDK_VERSION-linux.zip
+# Install toolchain
+RUN curl -L -O https://dl.google.com/android/repository/android-ndk-$NDK_VERSION-linux-x86_64.zip && \
+   unzip -q android-ndk-$NDK_VERSION-linux-x86_64.zip && \
+   rm android-ndk-$NDK_VERSION-linux-x86_64.zip && \
+   mkdir -p $ANDROID_HOME/toolchain && \
+   $ANDROID_HOME/android-ndk-$NDK_VERSION/build/tools/make-standalone-toolchain.sh \
+       --install-dir=$ANDROID_HOME/toolchain \
+       --toolchain=arm-linux-androideabi-4.9 \
+       --force && \
+   rm -r android-ndk-$NDK_VERSION
+
+ENV PREFIX /root/usr/local
 
 # Setup version of libraries
-ENV OPENSSL_VERSION 1.1.1q
-ENV LIBEV_VERSION 4.33
-ENV ZLIB_VERSION 1.2.13
-ENV CARES_VERSION 1.18.1
-ENV NGHTTP2_VERSION master
+ENV OPENSSL_VERSION 1.0.2d
+ENV SPDYLAY_VERSION v1.4.0
+ENV LIBEV_VERSION 4.19
+ENV ZLIB_VERSION 1.2.8
+ENV CARES_VERSION 1.13.0
+ENV NGHTTP2_VERSION v1.24.0
+
+WORKDIR /root/build
+RUN git clone https://github.com/tatsuhiro-t/spdylay -b $SPDYLAY_VERSION --depth 1
+WORKDIR /root/build/spdylay
+RUN autoreconf -i && \
+    ./configure \
+    --disable-shared \
+    --host=arm-linux-androideabi \
+    --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --prefix=$PREFIX \
+    --without-libxml2 \
+    --disable-src \
+    --disable-examples \
+    CPPFLAGS="-I$PREFIX/include" \
+    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
+    LDFLAGS="-L$PREFIX/lib" && \
+    make install
 
 WORKDIR /root/build
 RUN curl -L -O https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz && \
@@ -54,18 +72,20 @@ RUN curl -L -O https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz &&
     rm openssl-$OPENSSL_VERSION.tar.gz
 
 WORKDIR /root/build/openssl-$OPENSSL_VERSION
-RUN export ANDROID_NDK_HOME=$NDK PATH=$TOOLCHAIN/bin:$PATH && \
-    ./Configure no-shared --prefix=$PREFIX android-arm64 && \
+RUN export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi- && \
+    ./Configure --prefix=$PREFIX android && \
     make && make install_sw
 
 WORKDIR /root/build
 RUN curl -L -O http://dist.schmorp.de/libev/Attic/libev-$LIBEV_VERSION.tar.gz && \
+    curl -L -O https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed/raw/80a8f003b5d1091eae497c5995bbaa68096e739b/libev-4.19-android.patch && \
     tar xf libev-$LIBEV_VERSION.tar.gz && \
     rm libev-$LIBEV_VERSION.tar.gz
 
 WORKDIR /root/build/libev-$LIBEV_VERSION
-RUN ./configure \
-    --host=$TARGET \
+RUN patch -p1 < ../libev-4.19-android.patch && \
+    ./configure \
+    --host=arm-linux-androideabi \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
     --prefix=$PREFIX \
     --disable-shared \
@@ -75,12 +95,17 @@ RUN ./configure \
     make install
 
 WORKDIR /root/build
-RUN curl -L -O https://zlib.net/zlib-$ZLIB_VERSION.tar.gz && \
+RUN curl -L -O https://downloads.sourceforge.net/project/libpng/zlib/$ZLIB_VERSION/zlib-$ZLIB_VERSION.tar.gz && \
     tar xf zlib-$ZLIB_VERSION.tar.gz && \
     rm zlib-$ZLIB_VERSION.tar.gz
 
 WORKDIR /root/build/zlib-$ZLIB_VERSION
-RUN HOST=$TARGET \
+RUN HOST=arm-linux-androideabi \
+    CC=$HOST-gcc \
+    AR=$HOST-ar \
+    LD=$HOST-ld \
+    RANLIB=$HOST-ranlib \
+    STRIP=$HOST-strip \
     ./configure \
     --prefix=$PREFIX \
     --libdir=$PREFIX/lib \
@@ -96,7 +121,7 @@ RUN curl -L -O https://c-ares.haxx.se/download/c-ares-$CARES_VERSION.tar.gz && \
 
 WORKDIR /root/build/c-ares-$CARES_VERSION
 RUN ./configure \
-      --host=$TARGET \
+      --host=arm-linux-androideabi \
       --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
       --prefix=$PREFIX \
       --disable-shared && \
@@ -109,13 +134,17 @@ RUN autoreconf -i && \
     ./configure \
     --enable-app \
     --disable-shared \
-    --host=$TARGET \
+    --host=arm-linux-androideabi \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --with-xml-prefix="$PREFIX" \
     --without-libxml2 \
+    --disable-python-bindings \
     --disable-examples \
     --disable-threads \
+      CC="$TOOLCHAIN"/bin/arm-linux-androideabi-clang \
+      CXX="$TOOLCHAIN"/bin/arm-linux-androideabi-clang++ \
       CPPFLAGS="-fPIE -I$PREFIX/include" \
       PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
       LDFLAGS="-fPIE -pie -L$PREFIX/lib" && \
     make && \
-    $STRIP src/nghttpx src/nghttpd src/nghttp
+    arm-linux-androideabi-strip src/nghttpx src/nghttpd src/nghttp

Makefile.am

@@ -20,42 +20,42 @@
 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-SUBDIRS = lib third-party src bpf examples tests integration-tests \
+SUBDIRS = lib third-party src examples python tests integration-tests \
 	doc contrib script
 
+# Now with python setuptools, make uninstall will leave many files we
+# cannot easily remove (e.g., easy-install.pth).  Disable it for
+# distcheck rule.
+AM_DISTCHECK_CONFIGURE_FLAGS = --disable-python-bindings
+
 ACLOCAL_AMFLAGS = -I m4
 
 dist_doc_DATA = README.rst
 
-EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-env \
+EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
 	Dockerfile.android \
 	cmakeconfig.h.in \
 	CMakeLists.txt \
 	CMakeOptions.txt \
+	cmake/FindSpdylay.cmake \
 	cmake/ExtractValidFlags.cmake \
 	cmake/FindJemalloc.cmake \
 	cmake/FindLibev.cmake \
 	cmake/FindCUnit.cmake \
 	cmake/Version.cmake \
+	cmake/FindCython.cmake \
 	cmake/FindLibevent.cmake \
 	cmake/FindJansson.cmake \
-	cmake/FindLibcares.cmake \
-	cmake/FindSystemd.cmake \
-	cmake/FindLibbpf.cmake \
-	cmake/FindLibnghttp3.cmake \
-	cmake/FindLibngtcp2.cmake \
-	cmake/FindLibngtcp2_crypto_quictls.cmake \
-	cmake/PickyWarningsC.cmake \
-	cmake/PickyWarningsCXX.cmake
+	cmake/FindLibcares.cmake
 
 .PHONY: clang-format
 
 # Format source files using clang-format.  Don't format source files
-# under third-party directory since we are not responsible for their
+# under third-party directory since we are not responsible for thier
 # coding style.
 clang-format:
 	CLANGFORMAT=`git config --get clangformat.binary`; \
 	test -z $${CLANGFORMAT} && CLANGFORMAT="clang-format"; \
 	$${CLANGFORMAT} -i lib/*.{c,h} lib/includes/nghttp2/*.h \
-	src/*.{c,cc,h} examples/*.c \
-	tests/*.{c,h} bpf/*.c fuzz/*.cc
+	src/*.{c,cc,h} src/includes/nghttp2/*.h examples/*.{c,cc} \
+	tests/*.{c,h}

README.rst

@@ -11,14 +11,17 @@ HTTP/2.
 
 An HPACK encoder and decoder are available as a public API.
 
+An experimental high level C++ library is also available.
+
+We have Python bindings of this library, but we do not have full
+code coverage yet.
+
 Development Status
 ------------------
 
-nghttp2 was originally developed based on `RFC 7540
-<https://tools.ietf.org/html/rfc7540>`_ HTTP/2 and `RFC 7541
-<https://tools.ietf.org/html/rfc7541>`_ HPACK - Header Compression for
-HTTP/2.  Now we are updating our code to implement `RFC 9113
-<https://datatracker.ietf.org/doc/html/rfc9113>`_.
+We have implemented `RFC 7540 <https://tools.ietf.org/html/rfc7540>`_
+HTTP/2 and `RFC 7541 <https://tools.ietf.org/html/rfc7541>`_ HPACK -
+Header Compression for HTTP/2
 
 The nghttp2 code base was forked from the spdylay
 (https://github.com/tatsuhiro-t/spdylay) project.
@@ -29,14 +32,12 @@ Public Test Server
 The following endpoints are available to try out our nghttp2
 implementation.
 
-* https://nghttp2.org/ (TLS + ALPN/NPN and HTTP/3)
+* https://nghttp2.org/ (TLS + ALPN/NPN)
 
   This endpoint supports ``h2``, ``h2-16``, ``h2-14``, and
   ``http/1.1`` via ALPN/NPN and requires TLSv1.2 for HTTP/2
   connection.
 
-  It also supports HTTP/3.
-
 * http://nghttp2.org/ (HTTP Upgrade and HTTP/2 Direct)
 
   ``h2c`` and ``http/1.1``.
@@ -103,6 +104,27 @@ To mitigate heap fragmentation in long running server programs
      Alpine Linux currently does not support malloc replacement
      due to musl limitations. See details in issue `#762 <https://github.com/nghttp2/nghttp2/issues/762>`_.
 
+libnghttp2_asio C++ library requires the following packages:
+
+* libboost-dev >= 1.54.0
+* libboost-thread-dev >= 1.54.0
+
+The Python bindings require the following packages:
+
+* cython >= 0.19
+* python >= 2.7
+* python-setuptools
+
+If you are using Ubuntu 16.04 LTS (Xenial Xerus) or Debian 8 (jessie)
+and above, run the following to install the required packages:
+
+.. code-block:: text
+
+    sudo apt-get install g++ make binutils autoconf automake autotools-dev libtool pkg-config \
+      zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libev-dev libevent-dev libjansson-dev \
+      libc-ares-dev libjemalloc-dev libsystemd-dev \
+      cython python3-dev python-setuptools
+
 To enable mruby support for nghttpx, `mruby
 <https://github.com/mruby/mruby>`_ is required.  We need to build
 mruby with C++ ABI explicitly turned on, and probably need other
@@ -123,33 +145,6 @@ minimizes the risk of private key leakage when serious bug like
 Heartbleed is exploited.  The neverbleed is disabled by default.  To
 enable it, use ``--with-neverbleed`` configure option.
 
-To enable the experimental HTTP/3 support for h2load and nghttpx, the
-following libraries are required:
-
-* `OpenSSL with QUIC support
-  <https://github.com/quictls/openssl/tree/OpenSSL_1_1_1w+quic>`_; or
-  `BoringSSL <https://boringssl.googlesource.com/boringssl/>`_ (commit
-  6ca49385b168f47a50e7172d82a590b218f55e4d)
-* `ngtcp2 <https://github.com/ngtcp2/ngtcp2>`_ >= 1.0.0
-* `nghttp3 <https://github.com/ngtcp2/nghttp3>`_ >= 1.0.0
-
-Use ``--enable-http3`` configure option to enable HTTP/3 feature for
-h2load and nghttpx.
-
-In order to build optional eBPF program to direct an incoming QUIC UDP
-datagram to a correct socket for nghttpx, the following libraries are
-required:
-
-* libbpf-dev >= 0.7.0
-
-Use ``--with-libbpf`` configure option to build eBPF program.
-libelf-dev is needed to build libbpf.
-
-For Ubuntu 20.04, you can build libbpf from `the source code
-<https://github.com/libbpf/libbpf/releases/tag/v1.2.2>`_.  nghttpx
-requires eBPF program for reloading its configuration and hot swapping
-its executable.
-
 Compiling libnghttp2 C source code requires a C99 compiler.  gcc 4.8
 is known to be adequate.  In order to compile the C++ source code, gcc
 >= 6.0 or clang >= 6.0 is required.  C++ source code requires C++14
@@ -200,18 +195,6 @@ language features.
    responsible to specify the correct values to these variables.  For
    complete list of these variables, run ``./configure -h``.
 
-If you are using Ubuntu 22.04 LTS, run the following to install the
-required packages:
-
-.. code-block:: text
-
-    sudo apt-get install g++ clang make binutils autoconf automake \
-      autotools-dev libtool pkg-config \
-      zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libev-dev \
-      libevent-dev libjansson-dev \
-      libc-ares-dev libjemalloc-dev libsystemd-dev \
-      ruby-dev bison libelf-dev
-
 Building nghttp2 from release tar archive
 -----------------------------------------
 
@@ -324,87 +307,6 @@ The generated documents will not be installed with ``make install``.
 The online documentation is available at
 https://nghttp2.org/documentation/
 
-Build HTTP/3 enabled h2load and nghttpx
----------------------------------------
-
-To build h2load and nghttpx with HTTP/3 feature enabled, run the
-configure script with ``--enable-http3``.
-
-For nghttpx to reload configurations and swapping its executable while
-gracefully terminating old worker processes, eBPF is required.  Run
-the configure script with ``--enable-http3 --with-libbpf`` to build
-eBPF program.  The QUIC keying material must be set with
-``--frontend-quic-secret-file`` in order to keep the existing
-connections alive during reload.
-
-The detailed steps to build HTTP/3 enabled h2load and nghttpx follow.
-
-Build custom OpenSSL:
-
-.. code-block:: text
-
-   $ git clone --depth 1 -b OpenSSL_1_1_1w+quic https://github.com/quictls/openssl
-   $ cd openssl
-   $ ./config --prefix=$PWD/build --openssldir=/etc/ssl
-   $ make -j$(nproc)
-   $ make install_sw
-   $ cd ..
-
-Build nghttp3:
-
-.. code-block:: text
-
-   $ git clone --depth 1 -b v1.0.0 https://github.com/ngtcp2/nghttp3
-   $ cd nghttp3
-   $ autoreconf -i
-   $ ./configure --prefix=$PWD/build --enable-lib-only
-   $ make -j$(nproc)
-   $ make install
-   $ cd ..
-
-Build ngtcp2:
-
-.. code-block:: text
-
-   $ git clone --depth 1 -b v1.0.1 https://github.com/ngtcp2/ngtcp2
-   $ cd ngtcp2
-   $ autoreconf -i
-   $ ./configure --prefix=$PWD/build --enable-lib-only \
-         PKG_CONFIG_PATH="$PWD/../openssl/build/lib/pkgconfig"
-   $ make -j$(nproc)
-   $ make install
-   $ cd ..
-
-If your Linux distribution does not have libbpf-dev >= 0.7.0, build
-from source:
-
-.. code-block:: text
-
-   $ git clone --depth 1 -b v1.2.2 https://github.com/libbpf/libbpf
-   $ cd libbpf
-   $ PREFIX=$PWD/build make -C src install
-   $ cd ..
-
-Build nghttp2:
-
-.. code-block:: text
-
-   $ git clone https://github.com/nghttp2/nghttp2
-   $ cd nghttp2
-   $ git submodule update --init
-   $ autoreconf -i
-   $ ./configure --with-mruby --with-neverbleed --enable-http3 --with-libbpf \
-         CC=clang-14 CXX=clang++-14 \
-         PKG_CONFIG_PATH="$PWD/../openssl/build/lib/pkgconfig:$PWD/../nghttp3/build/lib/pkgconfig:$PWD/../ngtcp2/build/lib/pkgconfig:$PWD/../libbpf/build/lib64/pkgconfig" \
-         LDFLAGS="$LDFLAGS -Wl,-rpath,$PWD/../openssl/build/lib -Wl,-rpath,$PWD/../libbpf/build/lib64"
-   $ make -j$(nproc)
-
-The eBPF program ``reuseport_kern.o`` should be found under bpf
-directory.  Pass ``--quic-bpf-program-file=bpf/reuseport_kern.o``
-option to nghttpx to load it.  See also `HTTP/3 section in nghttpx -
-HTTP/2 proxy - HOW-TO
-<https://nghttp2.org/documentation/nghttpx-howto.html#http-3>`_.
-
 Unit tests
 ----------
 
@@ -832,7 +734,7 @@ information.  Here is sample output from ``nghttpd``:
 nghttpx - proxy
 +++++++++++++++
 
-``nghttpx`` is a multi-threaded reverse proxy for HTTP/3, HTTP/2, and
+``nghttpx`` is a multi-threaded reverse proxy for HTTP/2, and
 HTTP/1.1, and powers http://nghttp2.org and supports HTTP/2 server
 push.
 
@@ -853,16 +755,16 @@ ticket keys among multiple ``nghttpx`` instances via memcached.
 
 ``nghttpx`` has 2 operation modes:
 
-================== ======================== ================ =============
-Mode option        Frontend                 Backend          Note
-================== ======================== ================ =============
-default mode       HTTP/3, HTTP/2, HTTP/1.1 HTTP/1.1, HTTP/2 Reverse proxy
-``--http2-proxy``  HTTP/3, HTTP/2, HTTP/1.1 HTTP/1.1, HTTP/2 Forward proxy
-================== ======================== ================ =============
+================== ================ ================ =============
+Mode option        Frontend         Backend          Note
+================== ================ ================ =============
+default mode       HTTP/2, HTTP/1.1 HTTP/1.1, HTTP/2 Reverse proxy
+``--http2-proxy``  HTTP/2, HTTP/1.1 HTTP/1.1, HTTP/2 Forward proxy
+================== ================ ================ =============
 
 The interesting mode at the moment is the default mode.  It works like
-a reverse proxy and listens for HTTP/3, HTTP/2, and HTTP/1.1 and can
-be deployed as a SSL/TLS terminator for existing web server.
+a reverse proxy and listens for HTTP/2, and HTTP/1.1 and can be
+deployed as a SSL/TLS terminator for existing web server.
 
 In all modes, the frontend connections are encrypted by SSL/TLS by
 default.  To disable encryption, use the ``no-tls`` keyword in
@@ -880,16 +782,16 @@ server:
 
 .. code-block:: text
 
-    Client <-- (HTTP/3, HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/1.1, HTTP/2) --> Web Server
-                                            [reverse proxy]
+    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/1.1, HTTP/2) --> Web Server
+                                    [reverse proxy]
 
 With the ``--http2-proxy`` option, it works as forward proxy, and it
 is so called secure HTTP/2 proxy:
 
 .. code-block:: text
 
-    Client <-- (HTTP/3, HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Proxy
-                                             [secure proxy]          (e.g., Squid, ATS)
+    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Proxy
+                                     [secure proxy]          (e.g., Squid, ATS)
 
 The ``Client`` in the above example needs to be configured to use
 ``nghttpx`` as secure proxy.
@@ -921,7 +823,7 @@ proxy through an HTTP proxy:
 
 .. code-block:: text
 
-    Client <-- (HTTP/3, HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --
+    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --
 
             --===================---> HTTP/2 Proxy
               (HTTP proxy tunnel)     (e.g., nghttpx -s)
@@ -929,8 +831,8 @@ proxy through an HTTP proxy:
 Benchmarking tool
 -----------------
 
-The ``h2load`` program is a benchmarking tool for HTTP/3, HTTP/2, and
-HTTP/1.1.  The UI of ``h2load`` is heavily inspired by ``weighttp``
+The ``h2load`` program is a benchmarking tool for HTTP/2.  The UI of
+``h2load`` is heavily inspired by ``weighttp``
 (https://github.com/lighttpd/weighttp).  The typical usage is as
 follows:
 
@@ -973,14 +875,6 @@ threads to avoid saturating a single core on client side.
    considered a DOS attack.  Please only use it against your private
    servers.
 
-If the experimental HTTP/3 is enabled, h2load can send requests to
-HTTP/3 server.  To do this, specify ``h3`` to ``--npn-list`` option
-like so:
-
-.. code-block:: text
-
-    $ h2load --npn-list h3 https://127.0.0.1:4433
-
 HPACK tools
 -----------
 
@@ -1418,6 +1312,219 @@ associated value includes the state of the dynamic header table after the
 corresponding header set was processed.  The format is the same as
 ``deflatehd``.
 
+libnghttp2_asio: High level HTTP/2 C++ library
+----------------------------------------------
+
+libnghttp2_asio is C++ library built on top of libnghttp2 and provides
+high level abstraction API to build HTTP/2 applications.  It depends
+on the Boost::ASIO library and OpenSSL.  Currently libnghttp2_asio
+provides both client and server APIs.
+
+libnghttp2_asio is not built by default.  Use the ``--enable-asio-lib``
+configure flag to build libnghttp2_asio.  The required Boost libraries
+are:
+
+* Boost::Asio
+* Boost::System
+* Boost::Thread
+
+The server API is designed to build an HTTP/2 server very easily to utilize
+C++14 anonymous functions and closures.  The bare minimum example of
+an HTTP/2 server looks like this:
+
+.. code-block:: cpp
+
+    #include <iostream>
+
+    #include <nghttp2/asio_http2_server.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      boost::system::error_code ec;
+      http2 server;
+
+      server.handle("/", [](const request &req, const response &res) {
+        res.write_head(200);
+        res.end("hello, world\n");
+      });
+
+      if (server.listen_and_serve(ec, "localhost", "3000")) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    }
+
+Here is sample code to use the client API:
+
+.. code-block:: cpp
+
+    #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[]) {
+      boost::system::error_code ec;
+      boost::asio::io_service io_service;
+
+      // connect to localhost:3000
+      session sess(io_service, "localhost", "3000");
+
+      sess.on_connect([&sess](tcp::resolver::iterator endpoint_it) {
+        boost::system::error_code ec;
+
+        auto req = sess.submit(ec, "GET", "http://localhost:3000/");
+
+        req->on_response([](const response &res) {
+          // print status code and response header fields.
+          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) {
+          // shutdown session after first request was done.
+          sess.shutdown();
+        });
+      });
+
+      sess.on_error([](const boost::system::error_code &ec) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      });
+
+      io_service.run();
+    }
+
+For more details, see the documentation of libnghttp2_asio.
+
+Python bindings
+---------------
+
+The ``python`` directory contains nghttp2 Python bindings.  The
+bindings currently provide HPACK compressor and decompressor classes
+and an HTTP/2 server.
+
+The extension module is called ``nghttp2``.
+
+``make`` will build the bindings and target Python version is
+determined by the ``configure`` script.  If the detected Python version is not
+what you expect, specify a path to Python executable in a ``PYTHON``
+variable as an argument to configure script (e.g., ``./configure
+PYTHON=/usr/bin/python3.5``).
+
+The following example code illustrates basic usage of the HPACK compressor
+and decompressor in Python:
+
+.. code-block:: python
+
+    import binascii
+    import nghttp2
+
+    deflater = nghttp2.HDDeflater()
+    inflater = nghttp2.HDInflater()
+
+    data = deflater.deflate([(b'foo', b'bar'),
+                             (b'baz', b'buz')])
+    print(binascii.b2a_hex(data))
+
+    hdrs = inflater.inflate(data)
+    print(hdrs)
+
+The ``nghttp2.HTTP2Server`` class builds on top of the asyncio event
+loop.  On construction, *RequestHandlerClass* must be given, which
+must be a subclass of ``nghttp2.BaseRequestHandler`` class.
+
+The ``BaseRequestHandler`` class is used to handle the HTTP/2 stream.
+By default, it does nothing.  It must be subclassed to handle each
+event callback method.
+
+The first callback method invoked is ``on_headers()``.  It is called
+when HEADERS frame, which includes the request header fields, has arrived.
+
+If the request has a request body, ``on_data(data)`` is invoked for each
+chunk of received data.
+
+Once the entire request is received, ``on_request_done()`` is invoked.
+
+When the stream is closed, ``on_close(error_code)`` is called.
+
+The application can send a response using ``send_response()`` method.
+It can be used in ``on_headers()``, ``on_data()`` or
+``on_request_done()``.
+
+The application can push resources using the ``push()`` method.  It must be
+used before the ``send_response()`` call.
+
+The following instance variables are available:
+
+client_address
+    Contains a tuple of the form (host, port) referring to the
+    client's address.
+
+stream_id
+    Stream ID of this stream.
+
+scheme
+    Scheme of the request URI.  This is a value of :scheme header
+    field.
+
+method
+    Method of this stream.  This is a value of :method header field.
+
+host
+    This is a value of :authority or host header field.
+
+path
+    This is a value of :path header field.
+
+The following example illustrates the HTTP2Server and
+BaseRequestHandler usage:
+
+.. code-block:: python
+
+    #!/usr/bin/env python
+
+    import io, ssl
+    import nghttp2
+
+    class Handler(nghttp2.BaseRequestHandler):
+
+        def on_headers(self):
+            self.push(path='/css/bootstrap.css',
+                      request_headers = [('content-length', '3')],
+                      status=200,
+                      body='foo')
+
+            self.push(path='/js/bootstrap.js',
+                      method='GET',
+                      request_headers = [('content-length', '10')],
+                      status=200,
+                      body='foobarbuzz')
+
+            self.send_response(status=200,
+                               headers = [('content-type', 'text/plain')],
+                               body=io.BytesIO(b'nghttp2-python FTW'))
+
+    ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+    ctx.options = ssl.OP_ALL | ssl.OP_NO_SSLv2
+    ctx.load_cert_chain('server.crt', 'server.key')
+
+    # give None to ssl to make the server non-SSL/TLS
+    server = nghttp2.HTTP2Server(('127.0.0.1', 8443), Handler, ssl=ctx)
+    server.serve_forever()
+
 Contribution
 ------------
 
@@ -1456,10 +1563,12 @@ released, or mitigation is worked out.
 
 In the future, we may setup a dedicated mail address for this purpose.
 
-Versioning
-----------
+Release schedule
+----------------
 
-In general, we follow `Semantic Versioning <http://semver.org/>`_.
+In general, we follow `Semantic Versioning <http://semver.org/>`_.  We
+release MINOR version update every month, and usually we ship it
+around 25th day of every month.
 
 We may release PATCH releases between the regular releases, mainly for
 severe security bug fixes.

android-config

@@ -23,15 +23,25 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-. ./android-env
+if [ -z "$ANDROID_HOME" ]; then
+    echo 'No $ANDROID_HOME specified.'
+    exit 1
+fi
+PREFIX="$ANDROID_HOME"/usr/local
+TOOLCHAIN="$ANDROID_HOME"/toolchain
+PATH="$TOOLCHAIN"/bin:"$PATH"
 
 ./configure \
     --disable-shared \
-    --host=$TARGET \
+    --host=arm-linux-androideabi \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+    --with-xml-prefix="$PREFIX" \
     --without-libxml2 \
+    --disable-python-bindings \
     --disable-examples \
     --disable-threads \
+    CC="$TOOLCHAIN"/bin/arm-linux-androideabi-clang \
+    CXX="$TOOLCHAIN"/bin/arm-linux-androideabi-clang++ \
     CPPFLAGS="-fPIE -I$PREFIX/include" \
     PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
     LDFLAGS="-fPIE -pie -L$PREFIX/lib"

android-make

@@ -1,7 +1,9 @@
+#!/bin/sh
+#
 # nghttp2 - HTTP/2 C Library
-
-# Copyright (c) 2023 Tatsuhiro Tsujikawa
-
+#
+# 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
@@ -9,10 +11,10 @@
 # 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
@@ -20,8 +22,12 @@
 # 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 = \
-	ipaddr.crt \
-	nosan.crt \
-	nosan_ip.crt \
-	verify_hostname.crt
+
+if [ -z "$ANDROID_HOME" ]; then
+    echo 'No $ANDROID_HOME specified.'
+    exit 1
+fi
+TOOLCHAIN=$ANDROID_HOME/toolchain
+PATH=$TOOLCHAIN/bin:$PATH
+
+make "$@"

appveyor.yml

@@ -0,0 +1,53 @@
+# Notes:
+#   - Minimal appveyor.yml file is an empty file. All sections are optional.
+#   - Indent each level of configuration with 2 spaces. Do not use tabs!
+#   - All section names are case-sensitive.
+#   - Section names should be unique on each level.
+
+#---------------------------------#
+#      general configuration      #
+#---------------------------------#
+
+# version format
+#version: 0.10.{build}
+
+# branches to build
+branches:
+  # blacklist
+  except:
+    - gh-pages
+
+# Do not build on tags (GitHub only)
+skip_tags: true
+
+#---------------------------------#
+#    environment configuration    #
+#---------------------------------#
+
+os: Windows Server 2012
+
+# scripts that run after cloning repository
+install:
+  # install Win-Flex-Bison
+  #- cmd: cinst winflexbison -y
+
+#---------------------------------#
+#       build configuration       #
+#---------------------------------#
+
+# scripts to run before build
+before_build:
+  - cmd: cmake .
+
+# scripts to run *after* solution is built and *before* automatic packaging occurs (web apps, NuGet packages, Azure Cloud Services)
+# before_package:
+
+# scripts to run after build
+# after_build:
+
+# to run your custom scripts instead of automatic MSBuild
+build_script:
+  - cmd: cmake --build .
+
+# to disable automatic builds
+# build: off

author.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 
 # script to extract commit author's name from standard input.  The
 # input should be <AUTHOR>:<EMAIL>, one per line.
@@ -49,4 +49,4 @@ for name in names:
         ndict[lowname] = name
 
 for name in sorted(ndict.values()):
-    print(name)
+    print name

bpf/CMakeLists.txt

@@ -1,13 +0,0 @@
-if(LIBBPF_FOUND)
-  add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/reuseport_kern.o"
-    COMMAND ${CMAKE_C_COMPILER} ${BPFCFLAGS} ${EXTRABPFCFLAGS} -I${LIBBPF_INCLUDE_DIRS} -target bpf -c reuseport_kern.c -o "${CMAKE_CURRENT_BINARY_DIR}/reuseport_kern.o"
-    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    VERBATIM)
-
-  add_custom_target(bpf ALL
-    DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/reuseport_kern.o"
-    VERBATIM)
-
-  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/reuseport_kern.o"
-    DESTINATION "${CMAKE_INSTALL_LIBDIR}/${CMAKE_PROJECT_NAME}")
-endif()

bpf/reuseport_kern.c

@@ -1,663 +0,0 @@
-/*
- * nghttp2 - HTTP/2 C Library
- *
- * Copyright (c) 2021 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 <linux/udp.h>
-#include <linux/bpf.h>
-
-#include <bpf/bpf_helpers.h>
-
-/*
- * How to compile:
- *
- * clang-12 -O2 -Wall -target bpf -g -c reuseport_kern.c -o reuseport_kern.o \
- *   -I/path/to/kernel/include
- *
- * See
- * https://www.kernel.org/doc/Documentation/kbuild/headers_install.txt
- * how to install kernel header files.
- */
-
-/* AES_CBC_decrypt_buffer: https://github.com/kokke/tiny-AES-c
-   License is Public Domain.  Commit hash:
-   12e7744b4919e9d55de75b7ab566326a1c8e7a67 */
-
-#define AES_BLOCKLEN                                                           \
-  16 /* Block length in bytes - AES is 128b block                              \
-        only */
-
-#define AES_KEYLEN 16 /* Key length in bytes */
-#define AES_keyExpSize 176
-
-struct AES_ctx {
-  __u8 RoundKey[AES_keyExpSize];
-};
-
-/* The number of columns comprising a state in AES. This is a constant
-   in AES. Value=4 */
-#define Nb 4
-
-#define Nk 4  /* The number of 32 bit words in a key. */
-#define Nr 10 /* The number of rounds in AES Cipher. */
-
-/* state - array holding the intermediate results during
-   decryption. */
-typedef __u8 state_t[4][4];
-
-/* The lookup-tables are marked const so they can be placed in
-   read-only storage instead of RAM The numbers below can be computed
-   dynamically trading ROM for RAM - This can be useful in (embedded)
-   bootloader applications, where ROM is often limited. */
-static const __u8 sbox[256] = {
-    /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
-    0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b,
-    0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
-    0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26,
-    0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
-    0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2,
-    0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
-    0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed,
-    0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
-    0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f,
-    0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
-    0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec,
-    0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
-    0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,
-    0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
-    0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d,
-    0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
-    0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f,
-    0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
-    0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11,
-    0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
-    0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f,
-    0xb0, 0x54, 0xbb, 0x16};
-
-static const __u8 rsbox[256] = {
-    0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e,
-    0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
-    0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32,
-    0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
-    0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49,
-    0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,
-    0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50,
-    0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
-    0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05,
-    0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,
-    0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41,
-    0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
-    0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8,
-    0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,
-    0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b,
-    0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
-    0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59,
-    0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,
-    0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d,
-    0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
-    0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63,
-    0x55, 0x21, 0x0c, 0x7d};
-
-/* The round constant word array, Rcon[i], contains the values given
-   by x to the power (i-1) being powers of x (x is denoted as {02}) in
-   the field GF(2^8) */
-static const __u8 Rcon[11] = {0x8d, 0x01, 0x02, 0x04, 0x08, 0x10,
-                              0x20, 0x40, 0x80, 0x1b, 0x36};
-
-#define getSBoxValue(num) (sbox[(num)])
-
-/* This function produces Nb(Nr+1) round keys. The round keys are used
-   in each round to decrypt the states. */
-static void KeyExpansion(__u8 *RoundKey, const __u8 *Key) {
-  unsigned i, j, k;
-  __u8 tempa[4]; /* Used for the column/row operations */
-
-  /* The first round key is the key itself. */
-  for (i = 0; i < Nk; ++i) {
-    RoundKey[(i * 4) + 0] = Key[(i * 4) + 0];
-    RoundKey[(i * 4) + 1] = Key[(i * 4) + 1];
-    RoundKey[(i * 4) + 2] = Key[(i * 4) + 2];
-    RoundKey[(i * 4) + 3] = Key[(i * 4) + 3];
-  }
-
-  /* All other round keys are found from the previous round keys. */
-  for (i = Nk; i < Nb * (Nr + 1); ++i) {
-    {
-      k = (i - 1) * 4;
-      tempa[0] = RoundKey[k + 0];
-      tempa[1] = RoundKey[k + 1];
-      tempa[2] = RoundKey[k + 2];
-      tempa[3] = RoundKey[k + 3];
-    }
-
-    if (i % Nk == 0) {
-      /* This function shifts the 4 bytes in a word to the left once.
-         [a0,a1,a2,a3] becomes [a1,a2,a3,a0] */
-
-      /* Function RotWord() */
-      {
-        const __u8 u8tmp = tempa[0];
-        tempa[0] = tempa[1];
-        tempa[1] = tempa[2];
-        tempa[2] = tempa[3];
-        tempa[3] = u8tmp;
-      }
-
-      /* SubWord() is a function that takes a four-byte input word and
-         applies the S-box to each of the four bytes to produce an
-         output word. */
-
-      /* Function Subword() */
-      {
-        tempa[0] = getSBoxValue(tempa[0]);
-        tempa[1] = getSBoxValue(tempa[1]);
-        tempa[2] = getSBoxValue(tempa[2]);
-        tempa[3] = getSBoxValue(tempa[3]);
-      }
-
-      tempa[0] = tempa[0] ^ Rcon[i / Nk];
-    }
-    j = i * 4;
-    k = (i - Nk) * 4;
-    RoundKey[j + 0] = RoundKey[k + 0] ^ tempa[0];
-    RoundKey[j + 1] = RoundKey[k + 1] ^ tempa[1];
-    RoundKey[j + 2] = RoundKey[k + 2] ^ tempa[2];
-    RoundKey[j + 3] = RoundKey[k + 3] ^ tempa[3];
-  }
-}
-
-static void AES_init_ctx(struct AES_ctx *ctx, const __u8 *key) {
-  KeyExpansion(ctx->RoundKey, key);
-}
-
-/* This function adds the round key to state.  The round key is added
-   to the state by an XOR function. */
-static void AddRoundKey(__u8 round, state_t *state, const __u8 *RoundKey) {
-  __u8 i, j;
-  for (i = 0; i < 4; ++i) {
-    for (j = 0; j < 4; ++j) {
-      (*state)[i][j] ^= RoundKey[(round * Nb * 4) + (i * Nb) + j];
-    }
-  }
-}
-
-static __u8 xtime(__u8 x) { return ((x << 1) ^ (((x >> 7) & 1) * 0x1b)); }
-
-#define Multiply(x, y)                                                         \
-  (((y & 1) * x) ^ ((y >> 1 & 1) * xtime(x)) ^                                 \
-   ((y >> 2 & 1) * xtime(xtime(x))) ^                                          \
-   ((y >> 3 & 1) * xtime(xtime(xtime(x)))) ^                                   \
-   ((y >> 4 & 1) * xtime(xtime(xtime(xtime(x))))))
-
-#define getSBoxInvert(num) (rsbox[(num)])
-
-/* MixColumns function mixes the columns of the state matrix.  The
-   method used to multiply may be difficult to understand for the
-   inexperienced. Please use the references to gain more
-   information. */
-static void InvMixColumns(state_t *state) {
-  int i;
-  __u8 a, b, c, d;
-  for (i = 0; i < 4; ++i) {
-    a = (*state)[i][0];
-    b = (*state)[i][1];
-    c = (*state)[i][2];
-    d = (*state)[i][3];
-
-    (*state)[i][0] = Multiply(a, 0x0e) ^ Multiply(b, 0x0b) ^ Multiply(c, 0x0d) ^
-                     Multiply(d, 0x09);
-    (*state)[i][1] = Multiply(a, 0x09) ^ Multiply(b, 0x0e) ^ Multiply(c, 0x0b) ^
-                     Multiply(d, 0x0d);
-    (*state)[i][2] = Multiply(a, 0x0d) ^ Multiply(b, 0x09) ^ Multiply(c, 0x0e) ^
-                     Multiply(d, 0x0b);
-    (*state)[i][3] = Multiply(a, 0x0b) ^ Multiply(b, 0x0d) ^ Multiply(c, 0x09) ^
-                     Multiply(d, 0x0e);
-  }
-}
-
-extern __u32 LINUX_KERNEL_VERSION __kconfig;
-
-/* The SubBytes Function Substitutes the values in the state matrix
-   with values in an S-box. */
-static void InvSubBytes(state_t *state) {
-  __u8 i, j;
-  if (LINUX_KERNEL_VERSION < KERNEL_VERSION(5, 10, 0)) {
-    for (i = 0; i < 4; ++i) {
-      for (j = 0; j < 4; ++j) {
-        /* Ubuntu 20.04 LTS kernel 5.4.0 needs this workaround
-           otherwise "math between map_value pointer and register with
-           unbounded min value is not allowed".  5.10.0 is a kernel
-           version that works but it might not be the minimum
-           version.  */
-        __u8 k = (*state)[j][i];
-        (*state)[j][i] = k ? getSBoxInvert(k) : getSBoxInvert(0);
-      }
-    }
-  } else {
-    for (i = 0; i < 4; ++i) {
-      for (j = 0; j < 4; ++j) {
-        (*state)[j][i] = getSBoxInvert((*state)[j][i]);
-      }
-    }
-  }
-}
-
-static void InvShiftRows(state_t *state) {
-  __u8 temp;
-
-  /* Rotate first row 1 columns to right */
-  temp = (*state)[3][1];
-  (*state)[3][1] = (*state)[2][1];
-  (*state)[2][1] = (*state)[1][1];
-  (*state)[1][1] = (*state)[0][1];
-  (*state)[0][1] = temp;
-
-  /* Rotate second row 2 columns to right */
-  temp = (*state)[0][2];
-  (*state)[0][2] = (*state)[2][2];
-  (*state)[2][2] = temp;
-
-  temp = (*state)[1][2];
-  (*state)[1][2] = (*state)[3][2];
-  (*state)[3][2] = temp;
-
-  /* Rotate third row 3 columns to right */
-  temp = (*state)[0][3];
-  (*state)[0][3] = (*state)[1][3];
-  (*state)[1][3] = (*state)[2][3];
-  (*state)[2][3] = (*state)[3][3];
-  (*state)[3][3] = temp;
-}
-
-static void InvCipher(state_t *state, const __u8 *RoundKey) {
-  /* Add the First round key to the state before starting the
-     rounds. */
-  AddRoundKey(Nr, state, RoundKey);
-
-  /* There will be Nr rounds.  The first Nr-1 rounds are identical.
-     These Nr rounds are executed in the loop below.  Last one without
-     InvMixColumn() */
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 1, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 2, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 3, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 4, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 5, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 6, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 7, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 8, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 9, state, RoundKey);
-  InvMixColumns(state);
-
-  InvShiftRows(state);
-  InvSubBytes(state);
-  AddRoundKey(Nr - 10, state, RoundKey);
-}
-
-static void AES_ECB_decrypt(const struct AES_ctx *ctx, __u8 *buf) {
-  /* The next function call decrypts the PlainText with the Key using
-     AES algorithm. */
-  InvCipher((state_t *)buf, ctx->RoundKey);
-}
-
-/* rol32: From linux kernel source code */
-
-/**
- * rol32 - rotate a 32-bit value left
- * @word: value to rotate
- * @shift: bits to roll
- */
-static inline __u32 rol32(__u32 word, unsigned int shift) {
-  return (word << shift) | (word >> ((-shift) & 31));
-}
-
-/* jhash.h: Jenkins hash support.
- *
- * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
- *
- * https://burtleburtle.net/bob/hash/
- *
- * These are the credits from Bob's sources:
- *
- * lookup3.c, by Bob Jenkins, May 2006, Public Domain.
- *
- * These are functions for producing 32-bit hashes for hash table lookup.
- * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final()
- * are externally useful functions.  Routines to test the hash are included
- * if SELF_TEST is defined.  You can use this free for any purpose.  It's in
- * the public domain.  It has no warranty.
- *
- * Copyright (C) 2009-2010 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
- *
- * I've modified Bob's hash to be useful in the Linux kernel, and
- * any bugs present are my fault.
- * Jozsef
- */
-
-/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */
-#define __jhash_final(a, b, c)                                                 \
-  {                                                                            \
-    c ^= b;                                                                    \
-    c -= rol32(b, 14);                                                         \
-    a ^= c;                                                                    \
-    a -= rol32(c, 11);                                                         \
-    b ^= a;                                                                    \
-    b -= rol32(a, 25);                                                         \
-    c ^= b;                                                                    \
-    c -= rol32(b, 16);                                                         \
-    a ^= c;                                                                    \
-    a -= rol32(c, 4);                                                          \
-    b ^= a;                                                                    \
-    b -= rol32(a, 14);                                                         \
-    c ^= b;                                                                    \
-    c -= rol32(b, 24);                                                         \
-  }
-
-/* __jhash_nwords - hash exactly 3, 2 or 1 word(s) */
-static inline __u32 __jhash_nwords(__u32 a, __u32 b, __u32 c, __u32 initval) {
-  a += initval;
-  b += initval;
-  c += initval;
-
-  __jhash_final(a, b, c);
-
-  return c;
-}
-
-/* An arbitrary initial parameter */
-#define JHASH_INITVAL 0xdeadbeef
-
-static inline __u32 jhash_2words(__u32 a, __u32 b, __u32 initval) {
-  return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2));
-}
-
-struct {
-  __uint(type, BPF_MAP_TYPE_HASH);
-  __uint(max_entries, 255);
-  __type(key, __u64);
-  __type(value, __u32);
-} cid_prefix_map SEC(".maps");
-
-struct {
-  __uint(type, BPF_MAP_TYPE_REUSEPORT_SOCKARRAY);
-  __uint(max_entries, 255);
-  __type(key, __u32);
-  __type(value, __u32);
-} reuseport_array SEC(".maps");
-
-struct {
-  __uint(type, BPF_MAP_TYPE_ARRAY);
-  __uint(max_entries, 3);
-  __type(key, __u32);
-  __type(value, __u64);
-} sk_info SEC(".maps");
-
-typedef struct quic_hd {
-  __u8 *dcid;
-  __u32 dcidlen;
-  __u32 dcid_offset;
-  __u8 type;
-} quic_hd;
-
-#define SV_DCIDLEN 20
-#define MAX_DCIDLEN 20
-#define MIN_DCIDLEN 8
-#define CID_PREFIXLEN 8
-#define CID_PREFIX_OFFSET 1
-
-enum {
-  NGTCP2_PKT_INITIAL = 0x0,
-  NGTCP2_PKT_0RTT = 0x1,
-  NGTCP2_PKT_HANDSHAKE = 0x2,
-  NGTCP2_PKT_SHORT = 0x40,
-};
-
-static inline int parse_quic(quic_hd *qhd, __u8 *data, __u8 *data_end) {
-  __u8 *p;
-  __u64 dcidlen;
-
-  if (*data & 0x80) {
-    p = data + 1 + 4;
-
-    /* Do not check the actual DCID length because we might not buffer
-       entire DCID here. */
-    dcidlen = *p;
-
-    if (dcidlen > MAX_DCIDLEN || dcidlen < MIN_DCIDLEN) {
-      return -1;
-    }
-
-    ++p;
-
-    qhd->type = (*data & 0x30) >> 4;
-    qhd->dcid = p;
-    qhd->dcidlen = dcidlen;
-    qhd->dcid_offset = 6;
-  } else {
-    qhd->type = NGTCP2_PKT_SHORT;
-    qhd->dcid = data + 1;
-    qhd->dcidlen = SV_DCIDLEN;
-    qhd->dcid_offset = 1;
-  }
-
-  return 0;
-}
-
-static __u32 hash(const __u8 *data, __u32 datalen, __u32 initval) {
-  __u32 a, b;
-
-  a = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
-  b = (data[4] << 24) | (data[5] << 16) | (data[6] << 8) | data[7];
-
-  return jhash_2words(a, b, initval);
-}
-
-static __u32 sk_index_from_dcid(const quic_hd *qhd,
-                                const struct sk_reuseport_md *reuse_md,
-                                __u64 num_socks) {
-  __u32 len = qhd->dcidlen;
-  __u32 h = reuse_md->hash;
-  __u8 hbuf[8];
-
-  if (len > 16) {
-    __builtin_memset(hbuf, 0, sizeof(hbuf));
-
-    switch (len) {
-    case 20:
-      __builtin_memcpy(hbuf, qhd->dcid + 16, 4);
-      break;
-    case 19:
-      __builtin_memcpy(hbuf, qhd->dcid + 16, 3);
-      break;
-    case 18:
-      __builtin_memcpy(hbuf, qhd->dcid + 16, 2);
-      break;
-    case 17:
-      __builtin_memcpy(hbuf, qhd->dcid + 16, 1);
-      break;
-    }
-
-    h = hash(hbuf, sizeof(hbuf), h);
-    len = 16;
-  }
-
-  if (len > 8) {
-    __builtin_memset(hbuf, 0, sizeof(hbuf));
-
-    switch (len) {
-    case 16:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 8);
-      break;
-    case 15:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 7);
-      break;
-    case 14:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 6);
-      break;
-    case 13:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 5);
-      break;
-    case 12:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 4);
-      break;
-    case 11:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 3);
-      break;
-    case 10:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 2);
-      break;
-    case 9:
-      __builtin_memcpy(hbuf, qhd->dcid + 8, 1);
-      break;
-    }
-
-    h = hash(hbuf, sizeof(hbuf), h);
-    len = 8;
-  }
-
-  return hash(qhd->dcid, len, h) % num_socks;
-}
-
-SEC("sk_reuseport")
-int select_reuseport(struct sk_reuseport_md *reuse_md) {
-  __u32 sk_index, *psk_index;
-  __u64 *pnum_socks, *pkey;
-  __u32 zero = 0, key_high_idx = 1, key_low_idx = 2;
-  int rv;
-  quic_hd qhd;
-  __u8 qpktbuf[6 + MAX_DCIDLEN];
-  struct AES_ctx aes_ctx;
-  __u8 key[AES_KEYLEN];
-  __u8 *cid_prefix;
-
-  if (bpf_skb_load_bytes(reuse_md, sizeof(struct udphdr), qpktbuf,
-                         sizeof(qpktbuf)) != 0) {
-    return SK_DROP;
-  }
-
-  pnum_socks = bpf_map_lookup_elem(&sk_info, &zero);
-  if (pnum_socks == NULL) {
-    return SK_DROP;
-  }
-
-  pkey = bpf_map_lookup_elem(&sk_info, &key_high_idx);
-  if (pkey == NULL) {
-    return SK_DROP;
-  }
-
-  __builtin_memcpy(key, pkey, sizeof(*pkey));
-
-  pkey = bpf_map_lookup_elem(&sk_info, &key_low_idx);
-  if (pkey == NULL) {
-    return SK_DROP;
-  }
-
-  __builtin_memcpy(key + sizeof(*pkey), pkey, sizeof(*pkey));
-
-  rv = parse_quic(&qhd, qpktbuf, qpktbuf + sizeof(qpktbuf));
-  if (rv != 0) {
-    return SK_DROP;
-  }
-
-  AES_init_ctx(&aes_ctx, key);
-
-  switch (qhd.type) {
-  case NGTCP2_PKT_INITIAL:
-  case NGTCP2_PKT_0RTT:
-    if (qhd.dcidlen == SV_DCIDLEN) {
-      cid_prefix = qhd.dcid + CID_PREFIX_OFFSET;
-      AES_ECB_decrypt(&aes_ctx, cid_prefix);
-
-      psk_index = bpf_map_lookup_elem(&cid_prefix_map, cid_prefix);
-      if (psk_index != NULL) {
-        sk_index = *psk_index;
-
-        break;
-      }
-    }
-
-    sk_index = sk_index_from_dcid(&qhd, reuse_md, *pnum_socks);
-
-    break;
-  case NGTCP2_PKT_HANDSHAKE:
-  case NGTCP2_PKT_SHORT:
-    if (qhd.dcidlen != SV_DCIDLEN) {
-      return SK_DROP;
-    }
-
-    cid_prefix = qhd.dcid + CID_PREFIX_OFFSET;
-    AES_ECB_decrypt(&aes_ctx, cid_prefix);
-
-    psk_index = bpf_map_lookup_elem(&cid_prefix_map, cid_prefix);
-    if (psk_index == NULL) {
-      sk_index = sk_index_from_dcid(&qhd, reuse_md, *pnum_socks);
-
-      break;
-    }
-
-    sk_index = *psk_index;
-
-    break;
-  default:
-    return SK_DROP;
-  }
-
-  rv = bpf_sk_select_reuseport(reuse_md, &reuseport_array, &sk_index, 0);
-  if (rv != 0) {
-    return SK_DROP;
-  }
-
-  return SK_PASS;
-}

cmake/FindCython.cmake

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

cmake/FindLibbpf.cmake

@@ -1,32 +0,0 @@
-# - Try to find libbpf
-# Once done this will define
-#  LIBBPF_FOUND        - System has libbpf
-#  LIBBPF_INCLUDE_DIRS - The libbpf include directories
-#  LIBBPF_LIBRARIES    - The libraries needed to use libbpf
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_LIBBPF QUIET libbpf)
-
-find_path(LIBBPF_INCLUDE_DIR
-  NAMES bpf/bpf.h
-  HINTS ${PC_LIBBPF_INCLUDE_DIRS}
-)
-find_library(LIBBPF_LIBRARY
-  NAMES bpf
-  HINTS ${PC_LIBBPF_LIBRARY_DIRS}
-)
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set LIBBPF_FOUND
-# to TRUE if all listed variables are TRUE and the requested version
-# matches.
-find_package_handle_standard_args(Libbpf REQUIRED_VARS
-                                  LIBBPF_LIBRARY LIBBPF_INCLUDE_DIR
-                                  VERSION_VAR LIBBPF_VERSION)
-
-if(LIBBPF_FOUND)
-  set(LIBBPF_LIBRARIES     ${LIBBPF_LIBRARY})
-  set(LIBBPF_INCLUDE_DIRS  ${LIBBPF_INCLUDE_DIR})
-endif()
-
-mark_as_advanced(LIBBPF_INCLUDE_DIR LIBBPF_LIBRARY)

cmake/FindLibnghttp3.cmake

@@ -1,41 +0,0 @@
-# - Try to find libnghttp3
-# Once done this will define
-#  LIBNGHTTP3_FOUND        - System has libnghttp3
-#  LIBNGHTTP3_INCLUDE_DIRS - The libnghttp3 include directories
-#  LIBNGHTTP3_LIBRARIES    - The libraries needed to use libnghttp3
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_LIBNGHTTP3 QUIET libnghttp3)
-
-find_path(LIBNGHTTP3_INCLUDE_DIR
-  NAMES nghttp3/nghttp3.h
-  HINTS ${PC_LIBNGHTTP3_INCLUDE_DIRS}
-)
-find_library(LIBNGHTTP3_LIBRARY
-  NAMES nghttp3
-  HINTS ${PC_LIBNGHTTP3_LIBRARY_DIRS}
-)
-
-if(LIBNGHTTP3_INCLUDE_DIR)
-  set(_version_regex "^#define[ \t]+NGHTTP3_VERSION[ \t]+\"([^\"]+)\".*")
-  file(STRINGS "${LIBNGHTTP3_INCLUDE_DIR}/nghttp3/version.h"
-    LIBNGHTTP3_VERSION REGEX "${_version_regex}")
-  string(REGEX REPLACE "${_version_regex}" "\\1"
-    LIBNGHTTP3_VERSION "${LIBNGHTTP3_VERSION}")
-  unset(_version_regex)
-endif()
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set LIBNGHTTP3_FOUND
-# to TRUE if all listed variables are TRUE and the requested version
-# matches.
-find_package_handle_standard_args(Libnghttp3 REQUIRED_VARS
-                                  LIBNGHTTP3_LIBRARY LIBNGHTTP3_INCLUDE_DIR
-                                  VERSION_VAR LIBNGHTTP3_VERSION)
-
-if(LIBNGHTTP3_FOUND)
-  set(LIBNGHTTP3_LIBRARIES     ${LIBNGHTTP3_LIBRARY})
-  set(LIBNGHTTP3_INCLUDE_DIRS  ${LIBNGHTTP3_INCLUDE_DIR})
-endif()
-
-mark_as_advanced(LIBNGHTTP3_INCLUDE_DIR LIBNGHTTP3_LIBRARY)

cmake/FindLibngtcp2.cmake

@@ -1,41 +0,0 @@
-# - Try to find libngtcp2
-# Once done this will define
-#  LIBNGTCP2_FOUND        - System has libngtcp2
-#  LIBNGTCP2_INCLUDE_DIRS - The libngtcp2 include directories
-#  LIBNGTCP2_LIBRARIES    - The libraries needed to use libngtcp2
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_LIBNGTCP2 QUIET libngtcp2)
-
-find_path(LIBNGTCP2_INCLUDE_DIR
-  NAMES ngtcp2/ngtcp2.h
-  HINTS ${PC_LIBNGTCP2_INCLUDE_DIRS}
-)
-find_library(LIBNGTCP2_LIBRARY
-  NAMES ngtcp2
-  HINTS ${PC_LIBNGTCP2_LIBRARY_DIRS}
-)
-
-if(LIBNGTCP2_INCLUDE_DIR)
-  set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
-  file(STRINGS "${LIBNGTCP2_INCLUDE_DIR}/ngtcp2/version.h"
-    LIBNGTCP2_VERSION REGEX "${_version_regex}")
-  string(REGEX REPLACE "${_version_regex}" "\\1"
-    LIBNGTCP2_VERSION "${LIBNGTCP2_VERSION}")
-  unset(_version_regex)
-endif()
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set LIBNGTCP2_FOUND
-# to TRUE if all listed variables are TRUE and the requested version
-# matches.
-find_package_handle_standard_args(Libngtcp2 REQUIRED_VARS
-                                  LIBNGTCP2_LIBRARY LIBNGTCP2_INCLUDE_DIR
-                                  VERSION_VAR LIBNGTCP2_VERSION)
-
-if(LIBNGTCP2_FOUND)
-  set(LIBNGTCP2_LIBRARIES     ${LIBNGTCP2_LIBRARY})
-  set(LIBNGTCP2_INCLUDE_DIRS  ${LIBNGTCP2_INCLUDE_DIR})
-endif()
-
-mark_as_advanced(LIBNGTCP2_INCLUDE_DIR LIBNGTCP2_LIBRARY)

cmake/FindLibngtcp2_crypto_quictls.cmake

@@ -1,43 +0,0 @@
-# - Try to find libngtcp2_crypto_quictls
-# Once done this will define
-#  LIBNGTCP2_CRYPTO_QUICTLS_FOUND        - System has libngtcp2_crypto_quictls
-#  LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIRS - The libngtcp2_crypto_quictls include directories
-#  LIBNGTCP2_CRYPTO_QUICTLS_LIBRARIES    - The libraries needed to use libngtcp2_crypto_quictls
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_LIBNGTCP2_CRYPTO_QUICTLS QUIET libngtcp2_crypto_quictls)
-
-find_path(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR
-  NAMES ngtcp2/ngtcp2_crypto_quictls.h
-  HINTS ${PC_LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIRS}
-)
-find_library(LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY
-  NAMES ngtcp2_crypto_quictls
-  HINTS ${PC_LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY_DIRS}
-)
-
-if(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR)
-  set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
-  file(STRINGS "${LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR}/ngtcp2/version.h"
-    LIBNGTCP2_CRYPTO_QUICTLS_VERSION REGEX "${_version_regex}")
-  string(REGEX REPLACE "${_version_regex}" "\\1"
-    LIBNGTCP2_CRYPTO_QUICTLS_VERSION "${LIBNGTCP2_CRYPTO_QUICTLS_VERSION}")
-  unset(_version_regex)
-endif()
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set
-# LIBNGTCP2_CRYPTO_QUICTLS_FOUND to TRUE if all listed variables are
-# TRUE and the requested version matches.
-find_package_handle_standard_args(Libngtcp2_crypto_quictls REQUIRED_VARS
-                                  LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY
-                                  LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR
-                                  VERSION_VAR LIBNGTCP2_CRYPTO_QUICTLS_VERSION)
-
-if(LIBNGTCP2_CRYPTO_QUICTLS_FOUND)
-  set(LIBNGTCP2_CRYPTO_QUICTLS_LIBRARIES ${LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY})
-  set(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIRS ${LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR})
-endif()
-
-mark_as_advanced(LIBNGTCP2_CRYPTO_QUICTLS_INCLUDE_DIR
-                 LIBNGTCP2_CRYPTO_QUICTLS_LIBRARY)

cmake/FindSpdylay.cmake

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

cmake/FindSystemd.cmake

@@ -1,19 +0,0 @@
-# - Try to find systemd
-# Once done this will define
-#  SYSTEMD_FOUND        - System has systemd
-#  SYSTEMD_INCLUDE_DIRS - The systemd include directories
-#  SYSTEMD_LIBRARIES    - The libraries needed to use systemd
-
-include(FeatureSummary)
-set_package_properties(Systemd PROPERTIES
-        URL "http://freedesktop.org/wiki/Software/systemd/"
-        DESCRIPTION "System and Service Manager")
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_SYSTEMD QUIET libsystemd)
-find_library(SYSTEMD_LIBRARIES NAMES systemd ${PC_SYSTEMD_LIBRARY_DIRS})
-find_path(SYSTEMD_INCLUDE_DIRS systemd/sd-login.h HINTS ${PC_SYSTEMD_INCLUDE_DIRS})
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(Systemd DEFAULT_MSG SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)
-mark_as_advanced(SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)

cmake/PickyWarningsC.cmake

@@ -1,163 +0,0 @@
-# nghttp2
-#
-# Copyright (c) 2023 nghttp2 contributors
-#
-# 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.
-
-# C
-
-include(CheckCCompilerFlag)
-
-if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_C_COMPILER_ID MATCHES "Clang")
-
-  # https://clang.llvm.org/docs/DiagnosticsReference.html
-  # https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-
-  # WPICKY_ENABLE = Options we want to enable as-is.
-  # WPICKY_DETECT = Options we want to test first and enable if available.
-
-  # Prefer the -Wextra alias with clang.
-  if(CMAKE_C_COMPILER_ID MATCHES "Clang")
-    set(WPICKY_ENABLE "-Wextra")
-  else()
-    set(WPICKY_ENABLE "-W")
-  endif()
-
-  list(APPEND WPICKY_ENABLE
-    -Wall
-  )
-
-  # ----------------------------------
-  # Add new options here, if in doubt:
-  # ----------------------------------
-  set(WPICKY_DETECT
-  )
-
-  # Assume these options always exist with both clang and gcc.
-  # Require clang 3.0 / gcc 2.95 or later.
-  list(APPEND WPICKY_ENABLE
-    -Wconversion                         # clang  3.0  gcc  2.95
-    -Winline                             # clang  1.0  gcc  1.0
-    -Wmissing-declarations               # clang  1.0  gcc  2.7
-    -Wmissing-prototypes                 # clang  1.0  gcc  1.0
-    -Wnested-externs                     # clang  1.0  gcc  2.7
-    -Wpointer-arith                      # clang  1.0  gcc  1.4
-    -Wshadow                             # clang  1.0  gcc  2.95
-    -Wundef                              # clang  1.0  gcc  2.95
-    -Wwrite-strings                      # clang  1.0  gcc  1.4
-  )
-
-  # Always enable with clang, version dependent with gcc
-  set(WPICKY_COMMON_OLD
-    -Waddress                            # clang  3.0  gcc  4.3
-    -Wattributes                         # clang  3.0  gcc  4.1
-    -Wcast-align                         # clang  1.0  gcc  4.2
-    -Wdeclaration-after-statement        # clang  1.0  gcc  3.4
-    -Wdiv-by-zero                        # clang  3.0  gcc  4.1
-    -Wempty-body                         # clang  3.0  gcc  4.3
-    -Wendif-labels                       # clang  1.0  gcc  3.3
-    -Wfloat-equal                        # clang  1.0  gcc  2.96 (3.0)
-    -Wformat-nonliteral                  # clang  3.0  gcc  4.1
-    -Wformat-security                    # clang  3.0  gcc  4.1
-    -Wmissing-field-initializers         # clang  3.0  gcc  4.1
-    -Wmissing-noreturn                   # clang  3.0  gcc  4.1
-    -Wno-format-nonliteral               # clang  1.0  gcc  2.96 (3.0)        # This is required because we pass format string as "const char*"
-  # -Wpadded                             # clang  3.0  gcc  4.1               # Not used because we cannot change public structs
-    -Wredundant-decls                    # clang  3.0  gcc  4.1
-    -Wsign-conversion                    # clang  3.0  gcc  4.3
-    -Wstrict-prototypes                  # clang  1.0  gcc  3.3
-  # -Wswitch-enum                        # clang  3.0  gcc  4.1               # Not used because this basically disallows default case
-    -Wunreachable-code                   # clang  3.0  gcc  4.1
-    -Wunused-macros                      # clang  3.0  gcc  4.1
-    -Wunused-parameter                   # clang  3.0  gcc  4.1
-    -Wvla                                # clang  2.8  gcc  4.3
-  )
-
-  set(WPICKY_COMMON
-    -Wpragmas                            # clang  3.5  gcc  4.1  appleclang  6.0
-  )
-
-  if(CMAKE_C_COMPILER_ID MATCHES "Clang")
-    list(APPEND WPICKY_ENABLE
-      ${WPICKY_COMMON_OLD}
-      -Wshorten-64-to-32                 # clang  1.0
-      -Wlanguage-extension-token         # clang  3.0
-    )
-    # Enable based on compiler version
-    if((CMAKE_C_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.6) OR
-       (CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.3))
-      list(APPEND WPICKY_ENABLE
-        ${WPICKY_COMMON}
-        -Wunreachable-code-break         # clang  3.5            appleclang  6.0
-        -Wheader-guard                   # clang  3.4            appleclang  5.1
-      )
-    endif()
-    if((CMAKE_C_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.9) OR
-       (CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.3))
-      list(APPEND WPICKY_ENABLE
-        -Wmissing-variable-declarations  # clang  3.2            appleclang  4.6
-      )
-    endif()
-    if((CMAKE_C_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) OR
-       (CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.4))
-      list(APPEND WPICKY_ENABLE
-      )
-    endif()
-    if((CMAKE_C_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0) OR
-       (CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 10.3))
-      list(APPEND WPICKY_ENABLE
-      )
-    endif()
-  else()  # gcc
-    list(APPEND WPICKY_DETECT
-      ${WPICKY_COMMON}
-    )
-    # Enable based on compiler version
-    if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.3)
-      list(APPEND WPICKY_ENABLE
-        ${WPICKY_COMMON_OLD}
-        -Wclobbered                      #             gcc  4.3
-      )
-    endif()
-  endif()
-
-  #
-
-  unset(_wpicky)
-
-  foreach(_CCOPT IN LISTS WPICKY_ENABLE)
-    set(_wpicky "${_wpicky} ${_CCOPT}")
-  endforeach()
-
-  foreach(_CCOPT IN LISTS WPICKY_DETECT)
-    # surprisingly, CHECK_C_COMPILER_FLAG needs a new variable to store each new
-    # test result in.
-    string(MAKE_C_IDENTIFIER "OPT${_CCOPT}" _optvarname)
-    # GCC only warns about unknown -Wno- options if there are also other diagnostic messages,
-    # so test for the positive form instead
-    string(REPLACE "-Wno-" "-W" _CCOPT_ON "${_CCOPT}")
-    check_c_compiler_flag(${_CCOPT_ON} ${_optvarname})
-    if(${_optvarname})
-      set(_wpicky "${_wpicky} ${_CCOPT}")
-    endif()
-  endforeach()
-
-  set(WARNCFLAGS "${WARNCFLAGS} ${_wpicky}")
-endif()

cmake/PickyWarningsCXX.cmake

@@ -1,117 +0,0 @@
-# nghttp2
-#
-# Copyright (c) 2023 nghttp2 contributors
-#
-# 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.
-
-# C++
-
-include(CheckCXXCompilerFlag)
-
-if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-
-  # https://clang.llvm.org/docs/DiagnosticsReference.html
-  # https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-
-  # WPICKY_ENABLE = Options we want to enable as-is.
-  # WPICKY_DETECT = Options we want to test first and enable if available.
-
-  set(WPICKY_ENABLE "-Wall")
-
-  # ----------------------------------
-  # Add new options here, if in doubt:
-  # ----------------------------------
-  set(WPICKY_DETECT
-  )
-
-  # Assume these options always exist with both clang and gcc.
-  # Require clang 3.0 / gcc 2.95 or later.
-  list(APPEND WPICKY_ENABLE
-  )
-
-  # Always enable with clang, version dependent with gcc
-  set(WPICKY_COMMON_OLD
-    -Wformat-security                    # clang  3.0  gcc  4.1
-  )
-
-  set(WPICKY_COMMON
-  )
-
-  if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-    list(APPEND WPICKY_ENABLE
-      ${WPICKY_COMMON_OLD}
-    )
-    # Enable based on compiler version
-    if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.6) OR
-       (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.3))
-      list(APPEND WPICKY_ENABLE
-        ${WPICKY_COMMON}
-      )
-    endif()
-    if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.9) OR
-       (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.3))
-      list(APPEND WPICKY_ENABLE
-      )
-    endif()
-    if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) OR
-       (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.4))
-      list(APPEND WPICKY_ENABLE
-      )
-    endif()
-    if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang"      AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0) OR
-       (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.3))
-      list(APPEND WPICKY_ENABLE
-      )
-    endif()
-  else()  # gcc
-    list(APPEND WPICKY_DETECT
-      ${WPICKY_COMMON}
-    )
-    # Enable based on compiler version
-    if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.3)
-      list(APPEND WPICKY_ENABLE
-        ${WPICKY_COMMON_OLD}
-      )
-    endif()
-  endif()
-
-  #
-
-  unset(_wpicky)
-
-  foreach(_CCOPT IN LISTS WPICKY_ENABLE)
-    set(_wpicky "${_wpicky} ${_CCOPT}")
-  endforeach()
-
-  foreach(_CCOPT IN LISTS WPICKY_DETECT)
-    # surprisingly, CHECK_CXX_COMPILER_FLAG needs a new variable to store each new
-    # test result in.
-    string(MAKE_C_IDENTIFIER "OPT${_CCOPT}" _optvarname)
-    # GCC only warns about unknown -Wno- options if there are also other diagnostic messages,
-    # so test for the positive form instead
-    string(REPLACE "-Wno-" "-W" _CCOPT_ON "${_CCOPT}")
-    check_cxx_compiler_flag(${_CCOPT_ON} ${_optvarname})
-    if(${_optvarname})
-      set(_wpicky "${_wpicky} ${_CCOPT}")
-    endif()
-  endforeach()
-
-  set(WARNCXXFLAGS "${WARNCXXFLAGS} ${_wpicky}")
-endif()

cmakeconfig.h.in

@@ -13,6 +13,9 @@
 /* Define to 1 if you have `libxml2` library. */
 #cmakedefine HAVE_LIBXML2 1
 
+/* Define to 1 if you have `spdylay` library. */
+#cmakedefine HAVE_SPDYLAY 1
+
 /* Define to 1 if you have `mruby` library. */
 #cmakedefine HAVE_MRUBY 1
 
@@ -31,15 +34,9 @@
 /* Define to 1 if you have the `accept4` function. */
 #cmakedefine HAVE_ACCEPT4 1
 
-/* Define to 1 if you have the `clock_gettime` function. */
-#cmakedefine HAVE_CLOCK_GETTIME 1
-
 /* Define to 1 if you have the `mkostemp` function. */
 #cmakedefine HAVE_MKOSTEMP 1
 
-/* Define to 1 if you have the `GetTickCount64` function. */
-#cmakedefine HAVE_GETTICKCOUNT64 1
-
 /* Define to 1 if you have the `initgroups` function. */
 #cmakedefine01 HAVE_DECL_INITGROUPS
 
@@ -67,9 +64,6 @@
 /* Define to 1 if you have the <netinet/in.h> header file. */
 #cmakedefine HAVE_NETINET_IN_H 1
 
-/* Define to 1 if you have the <netinet/ip.h> header file. */
-#cmakedefine HAVE_NETINET_IP_H 1
-
 /* Define to 1 if you have the <pwd.h> header file. */
 #cmakedefine HAVE_PWD_H 1
 
@@ -79,9 +73,6 @@
 /* Define to 1 if you have the <sys/time.h> header file. */
 #cmakedefine HAVE_SYS_TIME_H 1
 
-/* Define to 1 if you have the <sysinfoapi.h> header file. */
-#cmakedefine HAVE_SYSINFOAPI_H 1
-
 /* Define to 1 if you have the <syslog.h> header file. */
 #cmakedefine HAVE_SYSLOG_H 1
 
@@ -90,18 +81,3 @@
 
 /* Define to 1 if you have the <unistd.h> header file. */
 #cmakedefine HAVE_UNISTD_H 1
-
-/* Define to 1 if HTTP/3 is enabled. */
-#cmakedefine ENABLE_HTTP3 1
-
-/* Define to 1 if you have `libbpf` library. */
-#cmakedefine HAVE_LIBBPF 1
-
-/* Define to 1 if you have enum bpf_stats_type in linux/bpf.h. */
-#cmakedefine HAVE_BPF_STATS_TYPE 1
-
-/* Define to 1 if you have `libngtcp2_crypto_quictls` library. */
-#cmakedefine HAVE_LIBNGTCP2_CRYPTO_QUICTLS
-
-/* Define to 1 if you have `libev` library. */
-#cmakedefine HAVE_LIBEV 1

configure.ac

@@ -22,10 +22,10 @@ dnl OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 dnl WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 dnl Do not change user variables!
-dnl https://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html
+dnl http://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html
 
 AC_PREREQ(2.61)
-AC_INIT([nghttp2], [1.58.0], [t-tujikawa@users.sourceforge.net])
+AC_INIT([nghttp2], [1.39.2], [t-tujikawa@users.sourceforge.net])
 AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h])
@@ -43,10 +43,10 @@ AM_INIT_AUTOMAKE([subdir-objects])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 dnl See versioning rule:
-dnl  https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST(LT_CURRENT, 39)
-AC_SUBST(LT_REVISION, 1)
-AC_SUBST(LT_AGE, 25)
+dnl  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+AC_SUBST(LT_CURRENT, 32)
+AC_SUBST(LT_REVISION, 0)
+AC_SUBST(LT_AGE, 18)
 
 major=`echo $PACKAGE_VERSION |cut -d. -f1 | sed -e "s/[^0-9]//g"`
 minor=`echo $PACKAGE_VERSION |cut -d. -f2 | sed -e "s/[^0-9]//g"`
@@ -82,11 +82,21 @@ AC_ARG_ENABLE([hpack-tools],
                     [Build HPACK tools [default=check]])],
     [request_hpack_tools=$enableval], [request_hpack_tools=check])
 
+AC_ARG_ENABLE([asio-lib],
+    [AS_HELP_STRING([--enable-asio-lib],
+                    [Build C++ libnghttp2_asio library [default=no]])],
+    [request_asio_lib=$enableval], [request_asio_lib=no])
+
 AC_ARG_ENABLE([examples],
     [AS_HELP_STRING([--enable-examples],
                     [Build examples [default=check]])],
     [request_examples=$enableval], [request_examples=check])
 
+AC_ARG_ENABLE([python-bindings],
+    [AS_HELP_STRING([--enable-python-bindings],
+                    [Build Python bindings [default=check]])],
+    [request_python_bindings=$enableval], [request_python_bindings=check])
+
 AC_ARG_ENABLE([failmalloc],
     [AS_HELP_STRING([--disable-failmalloc],
                     [Do not build failmalloc test program])],
@@ -94,54 +104,14 @@ AC_ARG_ENABLE([failmalloc],
 
 AC_ARG_ENABLE([lib-only],
     [AS_HELP_STRING([--enable-lib-only],
-                    [Build libnghttp2 only.  This is a short hand for --disable-app --disable-examples --disable-hpack-tools])],
+                    [Build libnghttp2 only.  This is a short hand for --disable-app --disable-examples --disable-hpack-tools --disable-python-bindings])],
     [request_lib_only=$enableval], [request_lib_only=no])
 
-AC_ARG_ENABLE([http3],
-    [AS_HELP_STRING([--enable-http3],
-                    [(EXPERIMENTAL) Enable HTTP/3.  This requires ngtcp2, nghttp3, and a custom OpenSSL.])],
-    [request_http3=$enableval], [request_http3=no])
-
 AC_ARG_WITH([libxml2],
     [AS_HELP_STRING([--with-libxml2],
                     [Use libxml2 [default=check]])],
     [request_libxml2=$withval], [request_libxml2=check])
 
-AC_ARG_WITH([jansson],
-    [AS_HELP_STRING([--with-jansson],
-                    [Use jansson [default=check]])],
-    [request_jansson=$withval], [request_jansson=check])
-
-AC_ARG_WITH([zlib],
-    [AS_HELP_STRING([--with-zlib],
-                    [Use zlib [default=check]])],
-    [request_zlib=$withval], [request_zlib=check])
-
-AC_ARG_WITH([libevent-openssl],
-    [AS_HELP_STRING([--with-libevent-openssl],
-                    [Use libevent_openssl [default=check]])],
-    [request_libevent_openssl=$withval], [request_libevent_openssl=check])
-
-AC_ARG_WITH([libcares],
-    [AS_HELP_STRING([--with-libcares],
-                    [Use libc-ares [default=check]])],
-    [request_libcares=$withval], [request_libcares=check])
-
-AC_ARG_WITH([openssl],
-    [AS_HELP_STRING([--with-openssl],
-                    [Use openssl [default=check]])],
-    [request_openssl=$withval], [request_openssl=check])
-
-AC_ARG_WITH([libev],
-    [AS_HELP_STRING([--with-libev],
-                    [Use libev [default=check]])],
-    [request_libev=$withval], [request_libev=check])
-
-AC_ARG_WITH([cunit],
-    [AS_HELP_STRING([--with-cunit],
-                    [Use cunit [default=check]])],
-    [request_cunit=$withval], [request_cunit=check])
-
 AC_ARG_WITH([jemalloc],
     [AS_HELP_STRING([--with-jemalloc],
                     [Use jemalloc [default=check]])],
@@ -162,33 +132,13 @@ AC_ARG_WITH([neverbleed],
                     [Use neverbleed [default=no]])],
     [request_neverbleed=$withval], [request_neverbleed=no])
 
-AC_ARG_WITH([libngtcp2],
-    [AS_HELP_STRING([--with-libngtcp2],
-                    [Use libngtcp2 [default=check]])],
-    [request_libngtcp2=$withval], [request_libngtcp2=check])
-
-AC_ARG_WITH([libnghttp3],
-    [AS_HELP_STRING([--with-libnghttp3],
-                    [Use libnghttp3 [default=check]])],
-    [request_libnghttp3=$withval], [request_libnghttp3=check])
-
-AC_ARG_WITH([libbpf],
-    [AS_HELP_STRING([--with-libbpf],
-                    [Use libbpf [default=no]])],
-    [request_libbpf=$withval], [request_libbpf=no])
+AC_ARG_WITH([cython],
+    [AS_HELP_STRING([--with-cython=PATH],
+                    [Use cython in given PATH])],
+    [cython_path=$withval], [])
 
 dnl Define variables
-AC_ARG_VAR([LIBEV_CFLAGS], [C compiler flags for libev, skipping any checks])
-AC_ARG_VAR([LIBEV_LIBS], [linker flags for libev, skipping any checks])
-
-AC_ARG_VAR([JEMALLOC_CFLAGS],
-           [C compiler flags for jemalloc, skipping any checks])
-AC_ARG_VAR([JEMALLOC_LIBS], [linker flags for jemalloc, skipping any checks])
-
-AC_ARG_VAR([LIBTOOL_LDFLAGS],
-           [libtool specific flags (e.g., -static-libtool-libs)])
-
-AC_ARG_VAR([BPFCFLAGS], [C compiler flags for bpf program])
+AC_ARG_VAR([CYTHON], [the Cython executable])
 
 dnl Checks for programs
 AC_PROG_CC
@@ -201,27 +151,24 @@ AC_PROG_MKDIR_P
 
 PKG_PROG_PKG_CONFIG([0.20])
 
-AM_PATH_PYTHON([3.8],, [:])
+AM_PATH_PYTHON([2.7],, [:])
 
 if [test "x$request_lib_only" = "xyes"]; then
   request_app=no
   request_hpack_tools=no
   request_examples=no
-  request_http3=no
-  request_libxml2=no
-  request_jansson=no
-  request_zlib=no
-  request_libevent_openssl=no
-  request_libcares=no
-  request_openssl=no
-  request_libev=no
-  request_jemalloc=no
-  request_systemd=no
-  request_mruby=no
-  request_neverbleed=no
-  request_libngtcp2=no
-  request_libnghttp3=no
-  request_libbpf=no
+  request_python_bindings=no
+fi
+
+if [test "x$request_python_bindings" != "xno"]; then
+  AX_PYTHON_DEVEL([>= '2.7'])
+fi
+
+if test "x${cython_path}" = "x"; then
+  AC_CHECK_PROGS([CYTHON], [cython.py cython])
+else
+  CYTHON=${cython_path}
+  AC_SUBST([CYTHON])
 fi
 
 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
@@ -233,7 +180,7 @@ fi
 save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 
-AX_CXX_COMPILE_STDCXX([14], [], [optional])
+AX_CXX_COMPILE_STDCXX([14], [noext], [optional])
 
 CXX1XCXXFLAGS="$CXXFLAGS"
 CXXFLAGS="$save_CXXFLAGS"
@@ -253,7 +200,6 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 ]],
 [[
 std::vector<std::future<int>> v;
-(void)v;
 ]])],
     [AC_DEFINE([HAVE_STD_FUTURE], [1],
                [Define to 1 if you have the `std::future`.])
@@ -328,8 +274,8 @@ APPLDFLAGS=
 case "$host_os" in
   *android*)
     android_build=yes
-    # android does not need -pthread, but needs following 2 libs for C++
-    APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic"
+    # android does not need -pthread, but needs followng 3 libs for C++
+    APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
     ;;
   *)
     PTHREAD_LDFLAGS="-pthread"
@@ -343,26 +289,11 @@ case "$host_os" in
     ;;
 esac
 
-case "${build}" in
-  *-apple-darwin*)
-    EXTRA_DEFS="-D__APPLE_USE_RFC_3542"
-    AC_SUBST([EXTRA_DEFS])
-    ;;
-esac
-
 # zlib
-have_zlib=no
-if test "x${request_zlib}" != "xno"; then
-  PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3], [have_zlib=yes], [have_zlib=no])
+PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3], [have_zlib=yes], [have_zlib=no])
 
-  if test "x${have_zlib}" = "xno"; then
-    AC_MSG_NOTICE($ZLIB_PKG_ERRORS)
-  fi
-fi
-
-if test "x${request_zlib}" = "xyes" &&
-   test "x${have_zlib}" != "xyes"; then
-  AC_MSG_ERROR([zlib was requested (--with-zlib) but not found])
+if test "x${have_zlib}" = "xno"; then
+  AC_MSG_NOTICE($ZLIB_PKG_ERRORS)
 fi
 
 # dl: openssl requires libdl when it is statically linked.
@@ -378,285 +309,82 @@ case "${host_os}" in
 esac
 
 # cunit
-have_cunit=no
-if test "x${request_cunit}" != "xno"; then
-  PKG_CHECK_MODULES([CUNIT], [cunit >= 2.1], [have_cunit=yes], [have_cunit=no])
-  # If pkg-config does not find cunit, check it using AC_CHECK_LIB.  We
-  # do this because Debian (Ubuntu) lacks pkg-config file for cunit.
-  if test "x${have_cunit}" = "xno"; then
-    AC_MSG_WARN([${CUNIT_PKG_ERRORS}])
-    AC_CHECK_LIB([cunit], [CU_initialize_registry],
-                 [have_cunit=yes], [have_cunit=no])
-    if test "x${have_cunit}" = "xyes"; then
-      CUNIT_LIBS="-lcunit"
-      CUNIT_CFLAGS=""
-      AC_SUBST([CUNIT_LIBS])
-      AC_SUBST([CUNIT_CFLAGS])
-    fi
-  fi
+PKG_CHECK_MODULES([CUNIT], [cunit >= 2.1], [have_cunit=yes], [have_cunit=no])
+# If pkg-config does not find cunit, check it using AC_CHECK_LIB.  We
+# do this because Debian (Ubuntu) lacks pkg-config file for cunit.
+if test "x${have_cunit}" = "xno"; then
+  AC_MSG_WARN([${CUNIT_PKG_ERRORS}])
+  AC_CHECK_LIB([cunit], [CU_initialize_registry],
+               [have_cunit=yes], [have_cunit=no])
   if test "x${have_cunit}" = "xyes"; then
-    # cunit in Mac OS X requires ncurses. Note that in Mac OS X, test
-    # program can be built without -lncurses, but it emits runtime
-    # error.
-    case "${build}" in
-      *-apple-darwin*)
-        CUNIT_LIBS="$CUNIT_LIBS -lncurses"
-        AC_SUBST([CUNIT_LIBS])
-        ;;
-    esac
+    CUNIT_LIBS="-lcunit"
+    CUNIT_CFLAGS=""
+    AC_SUBST([CUNIT_LIBS])
+    AC_SUBST([CUNIT_CFLAGS])
   fi
 fi
-
-if test "x${request_cunit}" = "xyes" &&
-   test "x${have_cunit}" != "xyes"; then
-  AC_MSG_ERROR([cunit was requested (--with-cunit) but not found])
+if test "x${have_cunit}" = "xyes"; then
+  # cunit in Mac OS X requires ncurses. Note that in Mac OS X, test
+  # program can be built without -lncurses, but it emits runtime
+  # error.
+  case "${build}" in
+    *-apple-darwin*)
+      CUNIT_LIBS="$CUNIT_LIBS -lncurses"
+      AC_SUBST([CUNIT_LIBS])
+      ;;
+  esac
 fi
 
 AM_CONDITIONAL([HAVE_CUNIT], [ test "x${have_cunit}" = "xyes" ])
 
 # libev (for src)
-have_libev=no
-if test "x${request_libev}" != "xno"; then
-  if test "x${LIBEV_LIBS}" = "x" && test "x${LIBEV_CFLAGS}" = "x"; then
-    # libev does not have pkg-config file.  Check it in an old way.
-    save_LIBS=$LIBS
-    # android requires -lm for floor
-   AC_CHECK_LIB([ev], [ev_time], [have_libev=yes], [have_libev=no], [-lm])
-   if test "x${have_libev}" = "xyes"; then
-      AC_CHECK_HEADER([ev.h], [have_libev=yes], [have_libev=no])
-      if test "x${have_libev}" = "xyes"; then
-        LIBEV_LIBS=-lev
-        LIBEV_CFLAGS=
-      fi
-    fi
-    LIBS=$save_LIBS
-  else
-    have_libev=yes
-  fi
-
+# libev does not have pkg-config file.  Check it in an old way.
+save_LIBS=$LIBS
+# android requires -lm for floor
+AC_CHECK_LIB([ev], [ev_time], [have_libev=yes], [have_libev=no], [-lm])
+if test "x${have_libev}" = "xyes"; then
+  AC_CHECK_HEADER([ev.h], [have_libev=yes], [have_libev=no])
   if test "x${have_libev}" = "xyes"; then
-    AC_DEFINE([HAVE_LIBEV], [1], [Define to 1 if you have `libev` library.])
+    LIBEV_LIBS=-lev
+    LIBEV_CFLAGS=
+    AC_SUBST([LIBEV_LIBS])
+    AC_SUBST([LIBEV_CFLAGS])
   fi
 fi
-
-if test "x${request_libev}" = "xyes" &&
-   test "x${have_libev}" != "xyes"; then
-  AC_MSG_ERROR([libev was requested (--with-libev) but not found])
-fi
+LIBS=$save_LIBS
 
 # openssl (for src)
-have_openssl=no
-if test "x${request_openssl}" != "xno"; then
-  PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1],
-                    [have_openssl=yes], [have_openssl=no])
-  if test "x${have_openssl}" = "xno"; then
-    AC_MSG_NOTICE($OPENSSL_PKG_ERRORS)
-  else
-    save_CFLAGS="$CFLAGS"
-    save_LIBS="$LIBS"
-    CFLAGS="$OPENSSL_CFLAGS $CFLAGS"
-    LIBS="$OPENSSL_LIBS $LIBS"
-
-    # quictls/openssl has SSL_is_quic.
-    have_ssl_is_quic=no
-    AC_MSG_CHECKING([for SSL_is_quic])
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
-      #include <openssl/ssl.h>
-    ]], [[
-      SSL *ssl = NULL;
-      SSL_is_quic(ssl);
-    ]])],
-    [AC_MSG_RESULT([yes]); have_ssl_is_quic=yes],
-    [AC_MSG_RESULT([no]); have_ssl_is_quic=no])
-
-    # boringssl has SSL_set_quic_early_data_context.
-    AC_MSG_CHECKING([for SSL_set_quic_early_data_context])
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
-      #include <openssl/ssl.h>
-    ]], [[
-      SSL *ssl = NULL;
-      SSL_set_quic_early_data_context(ssl, NULL, 0);
-    ]])],
-    [AC_MSG_RESULT([yes]); have_boringssl_quic=yes],
-    [AC_MSG_RESULT([no]); have_boringssl_quic=no])
-
-    CFLAGS="$save_CFLAGS"
-    LIBS="$save_LIBS"
-  fi
-fi
-
-if test "x${request_openssl}" = "xyes" &&
-   test "x${have_openssl}" != "xyes"; then
-  AC_MSG_ERROR([openssl was requested (--with-openssl) but not found])
+PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1],
+                  [have_openssl=yes], [have_openssl=no])
+if test "x${have_openssl}" = "xno"; then
+  AC_MSG_NOTICE($OPENSSL_PKG_ERRORS)
 fi
 
 # c-ares (for src)
-have_libcares=no
-if test "x${request_libcares}" != "xno"; then
-  PKG_CHECK_MODULES([LIBCARES], [libcares >= 1.7.5], [have_libcares=yes],
-                    [have_libcares=no])
-  if test "x${have_libcares}" = "xno"; then
-    AC_MSG_NOTICE($LIBCARES_PKG_ERRORS)
-  fi
+PKG_CHECK_MODULES([LIBCARES], [libcares >= 1.7.5], [have_libcares=yes],
+                  [have_libcares=no])
+if test "x${have_libcares}" = "xno"; then
+  AC_MSG_NOTICE($LIBCARES_PKG_ERRORS)
 fi
 
-if test "x${request_libcares}" = "xyes" &&
-   test "x${have_libcares}" != "xyes"; then
-  AC_MSG_ERROR([libcares was requested (--with-libcares) but not found])
-fi
-
-# ngtcp2 (for src)
-have_libngtcp2=no
-if test "x${request_libngtcp2}" != "xno"; then
-  PKG_CHECK_MODULES([LIBNGTCP2], [libngtcp2 >= 1.0.0], [have_libngtcp2=yes],
-                    [have_libngtcp2=no])
-  if test "x${have_libngtcp2}" = "xno"; then
-    AC_MSG_NOTICE($LIBNGTCP2_PKG_ERRORS)
-  fi
-fi
-
-if test "x${request_libngtcp2}" = "xyes" &&
-   test "x${have_libngtcp2}" != "xyes"; then
-  AC_MSG_ERROR([libngtcp2 was requested (--with-libngtcp2) but not found])
-fi
-
-# ngtcp2_crypto_quictls (for src)
-have_libngtcp2_crypto_quictls=no
-if test "x${have_ssl_is_quic}" = "xyes" &&
-   test "x${request_libngtcp2}" != "xno"; then
-  PKG_CHECK_MODULES([LIBNGTCP2_CRYPTO_QUICTLS],
-                    [libngtcp2_crypto_quictls >= 1.0.0],
-                    [have_libngtcp2_crypto_quictls=yes],
-                    [have_libngtcp2_crypto_quictls=no])
-  if test "x${have_libngtcp2_crypto_quictls}" = "xno"; then
-    AC_MSG_NOTICE($LIBNGTCP2_CRYPTO_QUICTLS_PKG_ERRORS)
-  else
-    AC_DEFINE([HAVE_LIBNGTCP2_CRYPTO_QUICTLS], [1],
-              [Define to 1 if you have `libngtcp2_crypto_quictls` library.])
-  fi
-fi
-
-if test "x${have_ssl_is_quic}" = "xyes" &&
-   test "x${request_libngtcp2}" = "xyes" &&
-   test "x${have_libngtcp2_crypto_quictls}" != "xyes"; then
-  AC_MSG_ERROR([libngtcp2_crypto_quictls was requested (--with-libngtcp2) but not found])
-fi
-
-# ngtcp2_crypto_boringssl (for src)
-have_libngtcp2_crypto_boringssl=no
-if test "x${have_boringssl_quic}" = "xyes" &&
-   test "x${request_libngtcp2}" != "xno"; then
-  PKG_CHECK_MODULES([LIBNGTCP2_CRYPTO_BORINGSSL],
-                    [libngtcp2_crypto_boringssl >= 0.0.0],
-                    [have_libngtcp2_crypto_boringssl=yes],
-                    [have_libngtcp2_crypto_boringssl=no])
-  if test "x${have_libngtcp2_crypto_boringssl}" = "xno"; then
-    AC_MSG_NOTICE($LIBNGTCP2_CRYPTO_BORINGSSL_PKG_ERRORS)
-  else
-    AC_DEFINE([HAVE_LIBNGTCP2_CRYPTO_BORINGSSL], [1],
-              [Define to 1 if you have `libngtcp2_crypto_boringssl` library.])
-  fi
-fi
-
-if test "x${have_boringssl_quic}" = "xyes" &&
-   test "x${request_libngtcp2}" = "xyes" &&
-   test "x${have_libngtcp2_crypto_boringssl}" != "xyes"; then
-  AC_MSG_ERROR([libngtcp2_crypto_boringssl was requested (--with-libngtcp2) but not found])
-fi
-
-# nghttp3 (for src)
-have_libnghttp3=no
-if test "x${request_libnghttp3}" != "xno"; then
-  PKG_CHECK_MODULES([LIBNGHTTP3], [libnghttp3 >= 1.0.0], [have_libnghttp3=yes],
-                    [have_libnghttp3=no])
-  if test "x${have_libnghttp3}" = "xno"; then
-    AC_MSG_NOTICE($LIBNGHTTP3_PKG_ERRORS)
-  fi
-fi
-
-if test "x${request_libnghttp3}" = "xyes" &&
-   test "x${have_libnghttp3}" != "xyes"; then
-  AC_MSG_ERROR([libnghttp3 was requested (--with-libnghttp3) but not found])
-fi
-
-# libbpf (for src)
-have_libbpf=no
-if test "x${request_libbpf}" != "xno"; then
-  PKG_CHECK_MODULES([LIBBPF], [libbpf >= 0.7.0], [have_libbpf=yes],
-                    [have_libbpf=no])
-  if test "x${have_libbpf}" = "xyes"; then
-    AC_DEFINE([HAVE_LIBBPF], [1], [Define to 1 if you have `libbpf` library.])
-    if test "x${BPFCFLAGS}" = "x"; then
-      BPFCFLAGS="-Wall -O2 -g"
-    fi
-    # Add the include path for Debian
-    EXTRABPFCFLAGS="-I/usr/include/$host_cpu-$host_os"
-    AC_SUBST([EXTRABPFCFLAGS])
-
-    AC_MSG_CHECKING([whether enum bpf_stats_type is defined in linux/bpf.h])
-    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-    [[
-    #include <linux/bpf.h>
-    ]],
-    [[
-    enum bpf_stats_type foo;
-    (void)foo;
-    ]])],
-    [have_bpf_stats_type=yes],
-    [have_bpf_stats_type=no])
-
-    if test "x${have_bpf_stats_type}" = "xyes"; then
-      AC_MSG_RESULT([yes])
-      AC_DEFINE([HAVE_BPF_STATS_TYPE], [1],
-                [Define to 1 if you have enum bpf_stats_type in linux/bpf.h.])
-    else
-      AC_MSG_RESULT([no])
-    fi
-  else
-    AC_MSG_NOTICE($LIBBPF_PKG_ERRORS)
-  fi
-fi
-
-if test "x${request_libbpf}" = "xyes" &&
-   test "x${have_libbpf}" != "xyes"; then
-  AC_MSG_ERROR([libbpf was requested (--with-libbpf) but not found])
-fi
-
-AM_CONDITIONAL([HAVE_LIBBPF], [ test "x${have_libbpf}" = "xyes" ])
-
 # libevent_openssl (for examples)
 # 2.0.8 is required because we use evconnlistener_set_error_cb()
-have_libevent_openssl=no
-if test "x${request_libevent_openssl}" != "xno"; then
-  PKG_CHECK_MODULES([LIBEVENT_OPENSSL], [libevent_openssl >= 2.0.8],
-                    [have_libevent_openssl=yes], [have_libevent_openssl=no])
-  if test "x${have_libevent_openssl}" = "xno"; then
-    AC_MSG_NOTICE($LIBEVENT_OPENSSL_PKG_ERRORS)
-  fi
-fi
-
-if test "x${request_libevent_openssl}" = "xyes" &&
-   test "x${have_libevent_openssl}" != "xyes"; then
-  AC_MSG_ERROR([libevent_openssl was requested (--with-libevent) but not found])
+PKG_CHECK_MODULES([LIBEVENT_OPENSSL], [libevent_openssl >= 2.0.8],
+                  [have_libevent_openssl=yes], [have_libevent_openssl=no])
+if test "x${have_libevent_openssl}" = "xno"; then
+  AC_MSG_NOTICE($LIBEVENT_OPENSSL_PKG_ERRORS)
 fi
 
 # jansson (for src/nghttp, src/deflatehd and src/inflatehd)
-have_jansson=no
-if test "x${request_jansson}" != "xno"; then
-  PKG_CHECK_MODULES([JANSSON], [jansson >= 2.5],
-                    [have_jansson=yes], [have_jansson=no])
-  if test "x${have_jansson}" = "xyes"; then
-    AC_DEFINE([HAVE_JANSSON], [1],
-              [Define to 1 if you have `libjansson` library.])
-  else
-    AC_MSG_NOTICE($JANSSON_PKG_ERRORS)
-  fi
+PKG_CHECK_MODULES([JANSSON], [jansson >= 2.5],
+                  [have_jansson=yes], [have_jansson=no])
+if test "x${have_jansson}" = "xyes"; then
+  AC_DEFINE([HAVE_JANSSON], [1],
+            [Define to 1 if you have `libjansson` library.])
+else
+  AC_MSG_NOTICE($JANSSON_PKG_ERRORS)
 fi
 
-if test "x${request_jansson}" = "xyes" &&
-   test "x${have_jansson}" != "xyes"; then
-  AC_MSG_ERROR([jansson was requested (--with-jansson) but not found])
-fi
 
 #  libsystemd (for src/nghttpx)
 have_libsystemd=no
@@ -677,15 +405,12 @@ if test "x${request_systemd}" = "xyes" &&
 fi
 
 # libxml2 (for src/nghttp)
-have_libxml2=no
-if test "x${request_libxml2}" != "xno"; then
-  PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.6.26],
-                    [have_libxml2=yes], [have_libxml2=no])
-  if test "x${have_libxml2}" = "xyes"; then
-    AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
-  else
-    AC_MSG_NOTICE($LIBXML2_PKG_ERRORS)
-  fi
+PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.6.26],
+                  [have_libxml2=yes], [have_libxml2=no])
+if test "x${have_libxml2}" = "xyes"; then
+  AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
+else
+  AC_MSG_NOTICE($LIBXML2_PKG_ERRORS)
 fi
 
 if test "x${request_libxml2}" = "xyes" &&
@@ -698,31 +423,28 @@ AM_CONDITIONAL([HAVE_LIBXML2], [ test "x${have_libxml2}" = "xyes" ])
 # jemalloc
 have_jemalloc=no
 if test "x${request_jemalloc}" != "xno"; then
-  if test "x${JEMALLOC_LIBS}" = "x" && test "x${JEMALLOC_CFLAGS}" = "x"; then
-    save_LIBS=$LIBS
-    AC_SEARCH_LIBS([malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
+  save_LIBS=$LIBS
+  AC_SEARCH_LIBS([malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
+                 [$PTHREAD_LDFLAGS])
+
+  if test "x${have_jemalloc}" = "xyes"; then
+    jemalloc_libs=${ac_cv_search_malloc_stats_print}
+  else
+    # On Darwin, malloc_stats_print is je_malloc_stats_print
+    AC_SEARCH_LIBS([je_malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
                    [$PTHREAD_LDFLAGS])
 
     if test "x${have_jemalloc}" = "xyes"; then
-      jemalloc_libs=${ac_cv_search_malloc_stats_print}
-    else
-      # On Darwin, malloc_stats_print is je_malloc_stats_print
-      AC_SEARCH_LIBS([je_malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
-                     [$PTHREAD_LDFLAGS])
-
-      if test "x${have_jemalloc}" = "xyes"; then
-        jemalloc_libs=${ac_cv_search_je_malloc_stats_print}
-      fi
+      jemalloc_libs=${ac_cv_search_je_malloc_stats_print}
     fi
+  fi
 
-    LIBS=$save_LIBS
+  LIBS=$save_LIBS
 
-    if test "x${have_jemalloc}" = "xyes" &&
-       test "x${jemalloc_libs}" != "xnone required"; then
-      JEMALLOC_LIBS=${jemalloc_libs}
-    fi
-  else
-    have_jemalloc=yes
+  if test "x${have_jemalloc}" = "xyes" &&
+     test "x${jemalloc_libs}" != "xnone required"; then
+    JEMALLOC_LIBS=${jemalloc_libs}
+    AC_SUBST([JEMALLOC_LIBS])
   fi
 fi
 
@@ -731,6 +453,25 @@ if test "x${request_jemalloc}" = "xyes" &&
   AC_MSG_ERROR([jemalloc was requested (--with-jemalloc) but not found])
 fi
 
+# Check Boost Asio library
+have_asio_lib=no
+
+if test "x${request_asio_lib}" = "xyes"; then
+  AX_BOOST_BASE([1.54.0], [have_boost_base=yes], [have_boost_base=no])
+
+  if test "x${have_boost_base}" = "xyes"; then
+    AX_BOOST_ASIO()
+    AX_BOOST_SYSTEM()
+    AX_BOOST_THREAD()
+
+    if test "x${ax_cv_boost_asio}" = "xyes" &&
+       test "x${ax_cv_boost_system}" = "xyes" &&
+       test "x${ax_cv_boost_thread}" = "xyes"; then
+      have_asio_lib=yes
+    fi
+  fi
+fi
+
 # The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL,
 # libev, and libc-ares.
 enable_app=no
@@ -749,26 +490,6 @@ fi
 
 AM_CONDITIONAL([ENABLE_APP], [ test "x${enable_app}" = "xyes" ])
 
-# Check HTTP/3 support
-enable_http3=no
-if test "x${request_http3}" != "xno" &&
-   (test "x${have_ssl_is_quic}" = "xyes" ||
-    test "x${have_boringssl_quic}" = "xyes") &&
-   test "x${have_libngtcp2}" = "xyes" &&
-   (test "x${have_libngtcp2_crypto_quictls}" = "xyes" ||
-    test "x${have_libngtcp2_crypto_boringssl}" = "xyes") &&
-   test "x${have_libnghttp3}" = "xyes"; then
-  enable_http3=yes
-  AC_DEFINE([ENABLE_HTTP3], [1], [Define to 1 if HTTP/3 is enabled.])
-fi
-
-if test "x${request_http3}" = "xyes" &&
-   test "x${enable_http3}" != "xyes"; then
-  AC_MSG_ERROR([HTTP/3 was requested (--enable-http3) but dependencies are not met.])
-fi
-
-AM_CONDITIONAL([ENABLE_HTTP3], [ test "x${enable_http3}" = "xyes" ])
-
 enable_hpack_tools=no
 # HPACK tools requires jansson
 if test "x${request_hpack_tools}" != "xno" &&
@@ -783,6 +504,16 @@ fi
 
 AM_CONDITIONAL([ENABLE_HPACK_TOOLS], [ test "x${enable_hpack_tools}" = "xyes" ])
 
+# C++ library libnghttp2_asio
+
+enable_asio_lib=no
+if test "x${request_asio_lib}" != "xno" &&
+   test "x${have_asio_lib}" = "xyes"; then
+  enable_asio_lib=yes
+fi
+
+AM_CONDITIONAL([ENABLE_ASIO_LIB], [ test "x${enable_asio_lib}" = "xyes" ])
+
 # The example programs depend on OpenSSL and libevent_openssl
 enable_examples=no
 if test "x${request_examples}" != "xno" &&
@@ -805,7 +536,8 @@ have_mruby=no
 have_neverbleed=no
 if test "x${enable_examples}" = "xyes" ||
    test "x${enable_app}" = "xyes" ||
-   test "x${enable_hpack_tools}" = "xyes"; then
+   test "x${enable_hpack_tools}" = "xyes" ||
+   test "x${enable_asio_lib}" = "xyes"; then
   enable_third_party=yes
 
   # mruby (for src/nghttpx)
@@ -830,6 +562,27 @@ AM_CONDITIONAL([ENABLE_THIRD_PARTY], [ test "x${enable_third_party}" = "xyes" ])
 AM_CONDITIONAL([HAVE_MRUBY], [test "x${have_mruby}" = "xyes"])
 AM_CONDITIONAL([HAVE_NEVERBLEED], [test "x${have_neverbleed}" = "xyes"])
 
+# Python bindings
+enable_python_bindings=no
+if test "x${request_python_bindings}" != "xno" &&
+   test "x${CYTHON}" != "x" &&
+   test "x${PYTHON}" != "x:" &&
+   test "x${have_python_dev}" = "xyes"; then
+  enable_python_bindings=yes
+fi
+
+if test "x${request_python_bindings}" = "xyes" &&
+   test "x${enable_python_bindings}" != "xyes"; then
+  AC_MSG_ERROR([python bindings were requested (--enable-python-bindings) but dependencies are not met.])
+fi
+
+AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS],
+               [test "x${enable_python_bindings}" = "xyes"])
+
+# Produce cython conditional, so that we can distribute generated C
+# source
+AM_CONDITIONAL([HAVE_CYTHON], [test "x${CYTHON}" != "x"])
+
 # failmalloc tests
 enable_failmalloc=no
 if test "x${request_failmalloc}" = "xyes"; then
@@ -847,7 +600,6 @@ AC_CHECK_HEADERS([ \
   limits.h \
   netdb.h \
   netinet/in.h \
-  netinet/ip.h \
   pwd.h \
   stddef.h \
   stdint.h \
@@ -855,7 +607,6 @@ AC_CHECK_HEADERS([ \
   string.h \
   sys/socket.h \
   sys/time.h \
-  sysinfoapi.h \
   syslog.h \
   time.h \
   unistd.h \
@@ -930,7 +681,6 @@ AC_FUNC_STRNLEN
 AC_CHECK_FUNCS([ \
   _Exit \
   accept4 \
-  clock_gettime \
   dup2 \
   getcwd \
   getpwnam \
@@ -956,25 +706,6 @@ AC_CHECK_FUNCS([ \
 AC_CHECK_FUNC([timerfd_create],
               [have_timerfd_create=yes], [have_timerfd_create=no])
 
-AC_MSG_CHECKING([checking for GetTickCount64])
-AC_LINK_IFELSE([AC_LANG_PROGRAM(
-[[
-#include <sysinfoapi.h>
-]],
-[[
-GetTickCount64();
-]])],
-[have_gettickcount64=yes],
-[have_gettickcount64=no])
-
-if test "x${have_gettickcount64}" = "xyes"; then
-  AC_MSG_RESULT([yes])
-  AC_DEFINE([HAVE_GETTICKCOUNT64], [1],
-            [Define to 1 if you have `GetTickCount64` function.])
-else
-  AC_MSG_RESULT([no])
-fi
-
 # For cygwin: we can link initgroups, so AC_CHECK_FUNCS succeeds, but
 # cygwin disables initgroups due to feature test macro magic with our
 # configuration.  FreeBSD declares initgroups() in unistd.h.
@@ -1098,9 +829,11 @@ AC_CONFIG_FILES([
   tests/testdata/Makefile
   third-party/Makefile
   src/Makefile
-  src/testdata/Makefile
-  bpf/Makefile
+  src/includes/Makefile
+  src/libnghttp2_asio.pc
   examples/Makefile
+  python/Makefile
+  python/setup.py
   integration-tests/Makefile
   integration-tests/config.go
   integration-tests/setenv
@@ -1113,9 +846,14 @@ AC_CONFIG_FILES([
   doc/tutorial-hpack.rst
   doc/nghttpx-howto.rst
   doc/h2load-howto.rst
+  doc/libnghttp2_asio.rst
+  doc/python-apiref.rst
   doc/building-android-binary.rst
   doc/nghttp2.h.rst
   doc/nghttp2ver.h.rst
+  doc/asio_http2.h.rst
+  doc/asio_http2_server.h.rst
+  doc/asio_http2_client.h.rst
   doc/contribute.rst
   contrib/Makefile
   script/Makefile
@@ -1144,19 +882,18 @@ AC_MSG_NOTICE([summary of build options:
       WARNCXXFLAGS:   ${WARNCXXFLAGS}
       CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
       EXTRACFLAG:     ${EXTRACFLAG}
-      BPFCFLAGS:      ${BPFCFLAGS}
-      EXTRABPFCFLAGS: ${EXTRABPFCFLAGS}
       LIBS:           ${LIBS}
-      DEFS:           ${DEFS}
-      EXTRA_DEFS:     ${EXTRA_DEFS}
     Library:
       Shared:         ${enable_shared}
       Static:         ${enable_static}
-    Libtool:
-      LIBTOOL_LDFLAGS: ${LIBTOOL_LDFLAGS}
     Python:
       Python:         ${PYTHON}
       PYTHON_VERSION: ${PYTHON_VERSION}
+      pyexecdir:      ${pyexecdir}
+      Python-dev:     ${have_python_dev}
+      PYTHON_CPPFLAGS:${PYTHON_CPPFLAGS}
+      PYTHON_LDFLAGS: ${PYTHON_LDFLAGS}
+      Cython:         ${CYTHON}
     Test:
       CUnit:          ${have_cunit} (CFLAGS='${CUNIT_CFLAGS}' LIBS='${CUNIT_LIBS}')
       Failmalloc:     ${enable_failmalloc}
@@ -1165,16 +902,16 @@ AC_MSG_NOTICE([summary of build options:
       Libxml2:        ${have_libxml2} (CFLAGS='${LIBXML2_CFLAGS}' LIBS='${LIBXML2_LIBS}')
       Libev:          ${have_libev} (CFLAGS='${LIBEV_CFLAGS}' LIBS='${LIBEV_LIBS}')
       Libc-ares:      ${have_libcares} (CFLAGS='${LIBCARES_CFLAGS}' LIBS='${LIBCARES_LIBS}')
-      libngtcp2:      ${have_libngtcp2} (CFLAGS='${LIBNGTCP2_CFLAGS}' LIBS='${LIBNGTCP2_LIBS}')
-      libngtcp2_crypto_quictls: ${have_libngtcp2_crypto_quictls} (CFLAGS='${LIBNGTCP2_CRYPTO_QUICTLS_CFLAGS}' LIBS='${LIBNGTCP2_CRYPTO_QUICTLS_LIBS}')
-      libngtcp2_crypto_boringssl: ${have_libngtcp2_crypto_boringssl} (CFLAGS='${LIBNGTCP2_CRYPTO_BORINGSSL_CFLAGS}' LIBS='${LIBNGTCP2_CRYPTO_BORINGSSL_LIBS}')
-      libnghttp3:     ${have_libnghttp3} (CFLAGS='${LIBNGHTTP3_CFLAGS}' LIBS='${LIBNGHTTP3_LIBS}')
-      libbpf:         ${have_libbpf} (CFLAGS='${LIBBPF_CFLAGS}' LIBS='${LIBBPF_LIBS}')
       Libevent(SSL):  ${have_libevent_openssl} (CFLAGS='${LIBEVENT_OPENSSL_CFLAGS}' LIBS='${LIBEVENT_OPENSSL_LIBS}')
       Jansson:        ${have_jansson} (CFLAGS='${JANSSON_CFLAGS}' LIBS='${JANSSON_LIBS}')
-      Jemalloc:       ${have_jemalloc} (CFLAGS='${JEMALLOC_CFLAGS}' LIBS='${JEMALLOC_LIBS}')
+      Jemalloc:       ${have_jemalloc} (LIBS='${JEMALLOC_LIBS}')
       Zlib:           ${have_zlib} (CFLAGS='${ZLIB_CFLAGS}' LIBS='${ZLIB_LIBS}')
       Systemd:        ${have_libsystemd} (CFLAGS='${SYSTEMD_CFLAGS}' LIBS='${SYSTEMD_LIBS}')
+      Boost CPPFLAGS: ${BOOST_CPPFLAGS}
+      Boost LDFLAGS:  ${BOOST_LDFLAGS}
+      Boost::ASIO:    ${BOOST_ASIO_LIB}
+      Boost::System:  ${BOOST_SYSTEM_LIB}
+      Boost::Thread:  ${BOOST_THREAD_LIB}
     Third-party:
       http-parser:    ${enable_third_party}
       MRuby:          ${have_mruby} (CFLAGS='${LIBMRUBY_CFLAGS}' LIBS='${LIBMRUBY_LIBS}')
@@ -1182,7 +919,8 @@ AC_MSG_NOTICE([summary of build options:
     Features:
       Applications:   ${enable_app}
       HPACK tools:    ${enable_hpack_tools}
+      Libnghttp2_asio:${enable_asio_lib}
       Examples:       ${enable_examples}
+      Python bindings:${enable_python_bindings}
       Threading:      ${enable_threads}
-      HTTP/3 (EXPERIMENTAL): ${enable_http3}
 ])

contrib/tlsticketupdate.go

@@ -30,10 +30,9 @@ import (
 	"encoding/binary"
 	"flag"
 	"fmt"
+	"github.com/bradfitz/gomemcache/memcache"
 	"log"
 	"time"
-
-	"github.com/bradfitz/gomemcache/memcache"
 )
 
 func makeKey(len int) []byte {
@@ -90,7 +89,9 @@ func main() {
 			Expiration: int32((*interval) + 300),
 		})
 
-		<-time.After(time.Duration(*interval) * time.Second)
+		select {
+		case <-time.After(time.Duration(*interval) * time.Second):
+		}
 
 		// rotate keys.  the last key is now encryption key.
 		// generate new key and append it to the last, so that

doc/.gitignore

@@ -1,11 +1,15 @@
 # generated files
 apiref.rst
+asio_http2.h.rst
+asio_http2_client.h.rst
+asio_http2_server.h.rst
 building-android-binary.rst
 conf.py
 contribute.rst
 enums.rst
 h2load-howto.rst
 index.rst
+libnghttp2_asio.rst
 macros.rst
 manual/
 nghttp2.h.rst
@@ -13,6 +17,7 @@ nghttp2_*.rst
 nghttp2ver.h.rst
 nghttpx-howto.rst
 package_README.rst
+python-apiref.rst
 tutorial-client.rst
 tutorial-hpack.rst
 tutorial-server.rst

doc/CMakeLists.txt

@@ -42,7 +42,6 @@ set(APIDOCS
   nghttp2_option_set_no_recv_client_magic.rst
   nghttp2_option_set_peer_max_concurrent_streams.rst
   nghttp2_option_set_user_recv_extension_type.rst
-  nghttp2_option_set_max_settings.rst
   nghttp2_pack_settings_payload.rst
   nghttp2_priority_spec_check_default.rst
   nghttp2_priority_spec_default_init.rst
@@ -180,11 +179,13 @@ set(EXTRA_DIST
   sources/tutorial-hpack.rst
   sources/nghttpx-howto.rst
   sources/h2load-howto.rst
+  sources/libnghttp2_asio.rst
+  sources/python-apiref.rst
   sources/building-android-binary.rst
   sources/contribute.rst
-  _exts/rubydomain/LICENSE.rubydomain
-  _exts/rubydomain/__init__.py
-  _exts/rubydomain/rubydomain.py
+  _exts/sphinxcontrib/LICENSE.rubydomain
+  _exts/sphinxcontrib/__init__.py
+  _exts/sphinxcontrib/rubydomain.py
   _themes/sphinx_rtd_theme/__init__.py
   _themes/sphinx_rtd_theme/breadcrumbs.html
   _themes/sphinx_rtd_theme/footer.html
@@ -267,7 +268,7 @@ add_custom_command(
     apiref.rst
     ${APIDOCS}
   COMMAND
-    "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/mkapiref.py"
+    "${PYTHON_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/mkapiref.py"
     apiref.rst macros.rst enums.rst types.rst .
     ${apiref_SOURCES}
   DEPENDS

doc/Makefile.am

@@ -27,12 +27,8 @@ APIDOCS= \
 	macros.rst \
 	enums.rst \
 	types.rst \
-	nghttp2_check_authority.rst \
 	nghttp2_check_header_name.rst \
 	nghttp2_check_header_value.rst \
-	nghttp2_check_header_value_rfc9113.rst \
-	nghttp2_check_method.rst \
-	nghttp2_check_path.rst \
 	nghttp2_hd_deflate_bound.rst \
 	nghttp2_hd_deflate_change_table_size.rst \
 	nghttp2_hd_deflate_del.rst \
@@ -69,13 +65,9 @@ APIDOCS= \
 	nghttp2_option_set_no_closed_streams.rst \
 	nghttp2_option_set_no_http_messaging.rst \
 	nghttp2_option_set_no_recv_client_magic.rst \
-	nghttp2_option_set_no_rfc9113_leading_and_trailing_ws_validation.rst \
 	nghttp2_option_set_peer_max_concurrent_streams.rst \
-	nghttp2_option_set_server_fallback_rfc7540_priorities.rst \
 	nghttp2_option_set_user_recv_extension_type.rst \
 	nghttp2_option_set_max_outbound_ack.rst \
-	nghttp2_option_set_max_settings.rst \
-	nghttp2_option_set_stream_reset_rate_limit.rst \
 	nghttp2_pack_settings_payload.rst \
 	nghttp2_priority_spec_check_default.rst \
 	nghttp2_priority_spec_default_init.rst \
@@ -110,7 +102,6 @@ APIDOCS= \
 	nghttp2_session_callbacks_set_send_callback.rst \
 	nghttp2_session_callbacks_set_send_data_callback.rst \
 	nghttp2_session_callbacks_set_unpack_extension_callback.rst \
-	nghttp2_session_change_extpri_stream_priority.rst \
 	nghttp2_session_change_stream_priority.rst \
 	nghttp2_session_check_request_allowed.rst \
 	nghttp2_session_check_server_session.rst \
@@ -177,7 +168,6 @@ APIDOCS= \
 	nghttp2_submit_origin.rst \
 	nghttp2_submit_ping.rst \
 	nghttp2_submit_priority.rst \
-	nghttp2_submit_priority_update.rst \
 	nghttp2_submit_push_promise.rst \
 	nghttp2_submit_request.rst \
 	nghttp2_submit_response.rst \
@@ -207,12 +197,30 @@ EXTRA_DIST = \
 	sources/tutorial-hpack.rst \
 	sources/nghttpx-howto.rst \
 	sources/h2load-howto.rst \
+	sources/libnghttp2_asio.rst \
+	sources/python-apiref.rst \
 	sources/building-android-binary.rst \
 	sources/contribute.rst \
-	sources/security.rst \
-	_exts/rubydomain/LICENSE.rubydomain \
-	_exts/rubydomain/__init__.py \
-	_exts/rubydomain/rubydomain.py \
+	_exts/sphinxcontrib/LICENSE.rubydomain \
+	_exts/sphinxcontrib/__init__.py \
+	_exts/sphinxcontrib/rubydomain.py \
+	_themes/sphinx_rtd_theme/__init__.py \
+	_themes/sphinx_rtd_theme/breadcrumbs.html \
+	_themes/sphinx_rtd_theme/footer.html \
+	_themes/sphinx_rtd_theme/layout.html \
+	_themes/sphinx_rtd_theme/layout_old.html \
+	_themes/sphinx_rtd_theme/search.html \
+	_themes/sphinx_rtd_theme/searchbox.html \
+	_themes/sphinx_rtd_theme/static/css/badge_only.css \
+	_themes/sphinx_rtd_theme/static/css/theme.css \
+	_themes/sphinx_rtd_theme/static/fonts/FontAwesome.otf \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.eot \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.svg \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf \
+	_themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.woff \
+	_themes/sphinx_rtd_theme/static/js/theme.js \
+	_themes/sphinx_rtd_theme/theme.conf \
+	_themes/sphinx_rtd_theme/versions.html \
 	$(man_MANS) \
 	bash_completion/nghttp \
 	bash_completion/nghttpd \
@@ -224,7 +232,7 @@ EXTRA_DIST = \
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
-SPHINXBUILD   ?= sphinx-build
+SPHINXBUILD   = sphinx-build
 PAPER         =
 BUILDDIR      = manual
 

doc/_exts/sphinxcontrib/rubydomain.py

@@ -18,7 +18,7 @@ from docutils.parsers.rst import Directive
 from sphinx import addnodes
 from sphinx import version_info
 from sphinx.roles import XRefRole
-from sphinx.locale import _
+from sphinx.locale import l_, _
 from sphinx.domains import Domain, ObjType, Index
 from sphinx.directives import ObjectDescription
 from sphinx.util.nodes import make_refnode
@@ -64,18 +64,18 @@ class RubyObject(ObjectDescription):
     }
 
     doc_field_types = [
-        TypedField('parameter', label=_('Parameters'),
+        TypedField('parameter', label=l_('Parameters'),
                    names=('param', 'parameter', 'arg', 'argument'),
                    typerolename='obj', typenames=('paramtype', 'type')),
-        TypedField('variable', label=_('Variables'), rolename='obj',
+        TypedField('variable', label=l_('Variables'), rolename='obj',
                    names=('var', 'ivar', 'cvar'),
                    typerolename='obj', typenames=('vartype',)),
-        GroupedField('exceptions', label=_('Raises'), rolename='exc',
+        GroupedField('exceptions', label=l_('Raises'), rolename='exc',
                      names=('raises', 'raise', 'exception', 'except'),
                      can_collapse=True),
-        Field('returnvalue', label=_('Returns'), has_arg=False,
+        Field('returnvalue', label=l_('Returns'), has_arg=False,
               names=('returns', 'return')),
-        Field('returntype', label=_('Return type'), has_arg=False,
+        Field('returntype', label=l_('Return type'), has_arg=False,
               names=('rtype',)),
     ]
 
@@ -482,8 +482,8 @@ class RubyModuleIndex(Index):
     """
 
     name = 'modindex'
-    localname = _('Ruby Module Index')
-    shortname = _('modules')
+    localname = l_('Ruby Module Index')
+    shortname = l_('modules')
 
     def generate(self, docnames=None):
         content = {}
@@ -493,7 +493,7 @@ class RubyModuleIndex(Index):
         # list of all modules, sorted by module name
         modules = sorted(_iteritems(self.domain.data['modules']),
                          key=lambda x: x[0].lower())
-        # sort out collapsible modules
+        # sort out collapsable modules
         prev_modname = ''
         num_toplevels = 0
         for modname, (docname, synopsis, platforms, deprecated) in modules:
@@ -550,17 +550,17 @@ class RubyDomain(Domain):
     name = 'rb'
     label = 'Ruby'
     object_types = {
-        'function':        ObjType(_('function'),         'func', 'obj'),
-        'global':          ObjType(_('global variable'),  'global', 'obj'),
-        'method':          ObjType(_('method'),           'meth', 'obj'),
-        'class':           ObjType(_('class'),            'class', 'obj'),
-        'exception':       ObjType(_('exception'),        'exc', 'obj'),
-        'classmethod':     ObjType(_('class method'),     'meth', 'obj'),
-        'attr_reader':     ObjType(_('attribute'),        'attr', 'obj'),
-        'attr_writer':     ObjType(_('attribute'),        'attr', 'obj'),
-        'attr_accessor':   ObjType(_('attribute'),        'attr', 'obj'),
-        'const':           ObjType(_('const'),            'const', 'obj'),
-        'module':          ObjType(_('module'),           'mod', 'obj'),
+        'function':        ObjType(l_('function'),         'func', 'obj'),
+        'global':          ObjType(l_('global variable'),  'global', 'obj'),
+        'method':          ObjType(l_('method'),           'meth', 'obj'),
+        'class':           ObjType(l_('class'),            'class', 'obj'),
+        'exception':       ObjType(l_('exception'),        'exc', 'obj'),
+        'classmethod':     ObjType(l_('class method'),     'meth', 'obj'),
+        'attr_reader':     ObjType(l_('attribute'),        'attr', 'obj'),
+        'attr_writer':     ObjType(l_('attribute'),        'attr', 'obj'),
+        'attr_accessor':   ObjType(l_('attribute'),        'attr', 'obj'),
+        'const':           ObjType(l_('const'),            'const', 'obj'),
+        'module':          ObjType(l_('module'),           'mod', 'obj'),
     }
 
     directives = {

doc/_themes/sphinx_rtd_theme/__init__.py

@@ -0,0 +1,17 @@
+"""Sphinx ReadTheDocs theme.
+
+From https://github.com/ryan-roemer/sphinx-bootstrap-theme.
+
+"""
+import os
+
+VERSION = (0, 1, 9)
+
+__version__ = ".".join(str(v) for v in VERSION)
+__version_full__ = __version__
+
+
+def get_html_theme_path():
+    """Return list of HTML theme paths."""
+    cur_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
+    return cur_dir

doc/_themes/sphinx_rtd_theme/breadcrumbs.html

@@ -0,0 +1,31 @@
+{# Support for Sphinx 1.3+ page_source_suffix, but don't break old builds. #}
+
+{% if page_source_suffix %} 
+{% set suffix = page_source_suffix %}
+{% else %}
+{% set suffix = source_suffix %}
+{% endif %}
+
+<div role="navigation" aria-label="breadcrumbs navigation">
+  <ul class="wy-breadcrumbs">
+    <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
+      {% for doc in parents %}
+        <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
+      {% endfor %}
+    <li>{{ title }}</li>
+    <li class="wy-breadcrumbs-aside">
+      {% if pagename != "search" %}
+        {% if display_github %}
+          <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ suffix }}" class="fa fa-github"> Edit on GitHub</a>
+        {% elif display_bitbucket %}
+          <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}{{ suffix }}" class="fa fa-bitbucket"> Edit on Bitbucket</a>
+        {% elif show_source and source_url_prefix %}
+          <a href="{{ source_url_prefix }}{{ pagename }}{{ suffix }}">View page source</a>
+        {% elif show_source and has_source and sourcename %}
+          <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
+        {% endif %}
+      {% endif %}
+    </li>
+  </ul>
+  <hr/>
+</div>

doc/_themes/sphinx_rtd_theme/footer.html

@@ -0,0 +1,52 @@
+<footer>
+  {% if next or prev %}
+    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
+      {% if next %}
+        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}" accesskey="n">Next <span class="fa fa-arrow-circle-right"></span></a>
+      {% endif %}
+      {% if prev %}
+        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous</a>
+      {% endif %}
+    </div>
+  {% endif %}
+
+  <hr/>
+
+  <div role="contentinfo">
+    <p>
+    {%- if show_copyright %}
+      {%- if hasdoc('copyright') %}
+        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
+      {%- else %}
+        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
+      {%- endif %}
+    {%- endif %}
+
+    {%- if build_id and build_url %}
+      {% trans build_url=build_url, build_id=build_id %}
+        <span class="build">
+          Build
+          <a href="{{ build_url }}">{{ build_id }}</a>.
+        </span>
+      {% endtrans %}
+    {%- elif commit %}
+      {% trans commit=commit %}
+        <span class="commit">
+          Revision <code>{{ commit }}</code>.
+        </span>
+      {% endtrans %}
+    {%- elif last_updated %}
+      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
+    {%- endif %}
+
+    </p>
+  </div>
+
+  {%- if show_sphinx %}
+  {% trans %}Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>{% endtrans %}.
+  {%- endif %}
+
+  {%- block extrafooter %} {% endblock %}
+
+</footer>
+

doc/_themes/sphinx_rtd_theme/layout.html

@@ -0,0 +1,197 @@
+{# TEMPLATE VAR SETTINGS #}
+{%- set url_root = pathto('', 1) %}
+{%- if url_root == '#' %}{% set url_root = '' %}{% endif %}
+{%- if not embedded and docstitle %}
+  {%- set titlesuffix = " — "|safe + docstitle|e %}
+{%- else %}
+  {%- set titlesuffix = "" %}
+{%- endif %}
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
+<head>
+  <meta charset="utf-8">
+  {{ metatags }}
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  {% block htmltitle %}
+  <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
+  {% endblock %}
+
+  {# FAVICON #}
+  {% if favicon %}
+    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
+  {% endif %}
+
+  {# CSS #}
+
+  {# OPENSEARCH #}
+  {% if not embedded %}
+    {% if use_opensearch %}
+      <link rel="search" type="application/opensearchdescription+xml" title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}" href="{{ pathto('_static/opensearch.xml', 1) }}"/>
+    {% endif %}
+
+  {% endif %}
+
+  {# RTD hosts this file, so just load on non RTD builds #}
+  {% if not READTHEDOCS %}
+    <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
+  {% endif %}
+
+  {% for cssfile in css_files %}
+    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
+  {% endfor %}
+
+  {% for cssfile in extra_css_files %}
+    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
+  {% endfor %}
+
+  {%- block linktags %}
+    {%- if hasdoc('about') %}
+        <link rel="author" title="{{ _('About these documents') }}"
+              href="{{ pathto('about') }}"/>
+    {%- endif %}
+    {%- if hasdoc('genindex') %}
+        <link rel="index" title="{{ _('Index') }}"
+              href="{{ pathto('genindex') }}"/>
+    {%- endif %}
+    {%- if hasdoc('search') %}
+        <link rel="search" title="{{ _('Search') }}" href="{{ pathto('search') }}"/>
+    {%- endif %}
+    {%- if hasdoc('copyright') %}
+        <link rel="copyright" title="{{ _('Copyright') }}" href="{{ pathto('copyright') }}"/>
+    {%- endif %}
+    <link rel="top" title="{{ docstitle|e }}" href="{{ pathto('index') }}"/>
+    {%- if parents %}
+        <link rel="up" title="{{ parents[-1].title|striptags|e }}" href="{{ parents[-1].link|e }}"/>
+    {%- endif %}
+    {%- if next %}
+        <link rel="next" title="{{ next.title|striptags|e }}" href="{{ next.link|e }}"/>
+    {%- endif %}
+    {%- if prev %}
+        <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}"/>
+    {%- endif %}
+  {%- endblock %}
+  {%- block extrahead %} {% endblock %}
+
+  {# Keep modernizr in head - http://modernizr.com/docs/#installing #}
+  <script src="{{ pathto('_static/js/modernizr.min.js', 1) }}"></script>
+
+</head>
+
+<body class="wy-body-for-nav" role="document">
+
+  {% block extrabody %} {% endblock %}
+  <div class="wy-grid-for-nav">
+
+    {# SIDE NAV, TOGGLES ON MOBILE #}
+    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
+      <div class="wy-side-scroll">
+        <div class="wy-side-nav-search">
+          {% block sidebartitle %}
+
+          {% if logo and theme_logo_only %}
+            <a href="{{ pathto(master_doc) }}">
+          {% else %}
+            <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}
+          {% endif %}
+
+          {% if logo %}
+            {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
+            <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
+          {% endif %}
+          </a>
+
+          {% if theme_display_version %}
+            {%- set nav_version = version %}
+            {% if READTHEDOCS and current_version %}
+              {%- set nav_version = current_version %}
+            {% endif %}
+            {% if nav_version %}
+              <div class="version">
+                {{ nav_version }}
+              </div>
+            {% endif %}
+          {% endif %}
+
+          {% include "searchbox.html" %}
+
+          {% endblock %}
+        </div>
+
+        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
+          {% block menu %}
+            {% set toctree = toctree(maxdepth=4, collapse=theme_collapse_navigation, includehidden=True) %}
+            {% if toctree %}
+                {{ toctree }}
+            {% else %}
+                <!-- Local TOC -->
+                <div class="local-toc">{{ toc }}</div>
+            {% endif %}
+          {% endblock %}
+        </div>
+      </div>
+    </nav>
+
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+      {# MOBILE NAV, TRIGGLES SIDE NAV ON TOGGLE #}
+      <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
+        <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+        <a href="{{ pathto(master_doc) }}">{{ project }}</a>
+      </nav>
+
+
+      {# PAGE CONTENT #}
+      <div class="wy-nav-content">
+        <div class="rst-content">
+          {% include "breadcrumbs.html" %}
+          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
+           <div itemprop="articleBody">
+            {% block body %}{% endblock %}
+           </div>
+          </div>
+          {% include "footer.html" %}
+        </div>
+      </div>
+
+    </section>
+
+  </div>
+  {% include "versions.html" %}
+
+  {% if not embedded %}
+
+    <script type="text/javascript">
+        var DOCUMENTATION_OPTIONS = {
+            URL_ROOT:'{{ url_root }}',
+            VERSION:'{{ release|e }}',
+            COLLAPSE_INDEX:false,
+            FILE_SUFFIX:'{{ '' if no_search_suffix else file_suffix }}',
+            HAS_SOURCE:  {{ has_source|lower }}
+        };
+    </script>
+    {%- for scriptfile in script_files %}
+      <script type="text/javascript" src="{{ pathto(scriptfile, 1) }}"></script>
+    {%- endfor %}
+
+  {% endif %}
+
+  {# RTD hosts this file, so just load on non RTD builds #}
+  {% if not READTHEDOCS %}
+    <script type="text/javascript" src="{{ pathto('_static/js/theme.js', 1) }}"></script>
+  {% endif %}
+
+  {# STICKY NAVIGATION #}
+  {% if theme_sticky_navigation %}
+  <script type="text/javascript">
+      jQuery(function () {
+          SphinxRtdTheme.StickyNav.enable();
+      });
+  </script>
+  {% endif %}
+
+  {%- block footer %} {% endblock %}
+
+</body>
+</html>

doc/_themes/sphinx_rtd_theme/layout_old.html

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

doc/_themes/sphinx_rtd_theme/search.html

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

doc/_themes/sphinx_rtd_theme/searchbox.html

@@ -0,0 +1,9 @@
+{%- if builder != 'singlehtml' %}
+<div role="search">
+  <form id="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
+    <input type="text" name="q" placeholder="Search docs" />
+    <input type="hidden" name="check_keywords" value="yes" />
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+</font>
+</defs></svg> 

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

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

doc/_themes/sphinx_rtd_theme/theme.conf

@@ -0,0 +1,11 @@
+[theme]
+inherit = basic
+stylesheet = css/theme.css
+
+[options]
+typekit_id = hiw1hhg
+analytics_id = 
+sticky_navigation = False
+logo_only =
+collapse_navigation = False
+display_version = True

doc/_themes/sphinx_rtd_theme/versions.html

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

doc/asio_http2.h.rst.in

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

doc/asio_http2_client.h.rst.in

@@ -0,0 +1,5 @@
+asio_http2_client.h
+===================
+
+.. literalinclude:: @top_srcdir@/src/includes/nghttp2/asio_http2_client.h
+   :language: cpp

doc/asio_http2_server.h.rst.in

@@ -0,0 +1,5 @@
+asio_http2_server.h
+===================
+
+.. literalinclude:: @top_srcdir@/src/includes/nghttp2/asio_http2_server.h
+   :language: cpp

doc/bash_completion/h2load

@@ -8,7 +8,7 @@ _h2load()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--requests --clients --threads --input-file --max-concurrent-streams --max-frame-size --window-bits --connection-window-bits --header --ciphers --tls13-ciphers --no-tls-proto --data --rate --rate-period --duration --warm-up-time --connection-active-timeout --connection-inactivity-timeout --timing-script-file --base-uri --npn-list --h1 --header-table-size --encoder-header-table-size --log-file --qlog-file-base --connect-to --rps --groups --no-udp-gso --max-udp-payload-size --ktls --verbose --version --help ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--connection-window-bits --clients --verbose --ciphers --rate --no-tls-proto --header-table-size --requests --log-file --base-uri --h1 --threads --npn-list --rate-period --data --version --connection-inactivity-timeout --timing-script-file --encoder-header-table-size --max-concurrent-streams --connection-active-timeout --input-file --help --window-bits --warm-up-time --duration --header ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/make_bash_completion.py

@@ -1,6 +1,8 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import unicode_literals
+from __future__ import print_function
 import subprocess
 import io
 import re

doc/bash_completion/nghttp

@@ -8,7 +8,7 @@ _nghttp()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--verbose --null-out --remote-name --timeout --window-bits --connection-window-bits --get-assets --stat --header --trailer --cert --key --data --multiply --upgrade --weight --peer-max-concurrent-streams --header-table-size --encoder-header-table-size --padding --har --color --continuation --no-content-length --no-dep --hexdump --no-push --max-concurrent-streams --expect-continue --no-verify-peer --ktls --no-rfc7540-pri --version --help ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--no-push --verbose --no-dep --get-assets --har --header-table-size --multiply --encoder-header-table-size --padding --hexdump --max-concurrent-streams --continuation --connection-window-bits --peer-max-concurrent-streams --timeout --data --no-content-length --version --color --cert --upgrade --remote-name --trailer --weight --help --key --null-out --window-bits --expect-continue --stat --no-verify-peer --header ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttpd

@@ -8,7 +8,7 @@ _nghttpd()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--address --daemon --verify-client --htdocs --verbose --no-tls --header-table-size --encoder-header-table-size --color --push --padding --max-concurrent-streams --workers --error-gzip --window-bits --connection-window-bits --dh-param-file --early-response --trailer --hexdump --echo-upload --mime-types-file --no-content-length --ktls --no-rfc7540-pri --version --help ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--htdocs --verbose --daemon --echo-upload --error-gzip --push --header-table-size --encoder-header-table-size --padding --hexdump --max-concurrent-streams --no-tls --connection-window-bits --mime-types-file --no-content-length --workers --version --color --early-response --dh-param-file --trailer --address --window-bits --verify-client --help ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttpx

@@ -8,7 +8,7 @@ _nghttpx()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--backend --frontend --backlog --backend-address-family --backend-http-proxy-uri --workers --single-thread --read-rate --read-burst --write-rate --write-burst --worker-read-rate --worker-read-burst --worker-write-rate --worker-write-burst --worker-frontend-connections --backend-connections-per-host --backend-connections-per-frontend --rlimit-nofile --rlimit-memlock --backend-request-buffer --backend-response-buffer --fastopen --no-kqueue --frontend-http2-read-timeout --frontend-http3-read-timeout --frontend-read-timeout --frontend-write-timeout --frontend-keep-alive-timeout --stream-read-timeout --stream-write-timeout --backend-read-timeout --backend-write-timeout --backend-connect-timeout --backend-keep-alive-timeout --listener-disable-timeout --frontend-http2-setting-timeout --backend-http2-settings-timeout --backend-max-backoff --ciphers --tls13-ciphers --client-ciphers --tls13-client-ciphers --ecdh-curves --insecure --cacert --private-key-passwd-file --subcert --dh-param-file --npn-list --verify-client --verify-client-cacert --verify-client-tolerate-expired --client-private-key-file --client-cert-file --tls-min-proto-version --tls-max-proto-version --tls-ticket-key-file --tls-ticket-key-memcached --tls-ticket-key-memcached-address-family --tls-ticket-key-memcached-interval --tls-ticket-key-memcached-max-retry --tls-ticket-key-memcached-max-fail --tls-ticket-key-cipher --tls-ticket-key-memcached-cert-file --tls-ticket-key-memcached-private-key-file --fetch-ocsp-response-file --ocsp-update-interval --ocsp-startup --no-verify-ocsp --no-ocsp --tls-session-cache-memcached --tls-session-cache-memcached-address-family --tls-session-cache-memcached-cert-file --tls-session-cache-memcached-private-key-file --tls-dyn-rec-warmup-threshold --tls-dyn-rec-idle-timeout --no-http2-cipher-block-list --client-no-http2-cipher-block-list --tls-sct-dir --psk-secrets --client-psk-secrets --tls-no-postpone-early-data --tls-max-early-data --tls-ktls --frontend-http2-max-concurrent-streams --backend-http2-max-concurrent-streams --frontend-http2-window-size --frontend-http2-connection-window-size --backend-http2-window-size --backend-http2-connection-window-size --http2-no-cookie-crumbling --padding --no-server-push --frontend-http2-optimize-write-buffer-size --frontend-http2-optimize-window-size --frontend-http2-encoder-dynamic-table-size --frontend-http2-decoder-dynamic-table-size --backend-http2-encoder-dynamic-table-size --backend-http2-decoder-dynamic-table-size --http2-proxy --log-level --accesslog-file --accesslog-syslog --accesslog-format --accesslog-write-early --errorlog-file --errorlog-syslog --syslog-facility --add-x-forwarded-for --strip-incoming-x-forwarded-for --no-add-x-forwarded-proto --no-strip-incoming-x-forwarded-proto --add-forwarded --strip-incoming-forwarded --forwarded-by --forwarded-for --no-via --no-strip-incoming-early-data --no-location-rewrite --host-rewrite --altsvc --http2-altsvc --add-request-header --add-response-header --request-header-field-buffer --max-request-header-fields --response-header-field-buffer --max-response-header-fields --error-page --server-name --no-server-rewrite --redirect-https-port --require-http-scheme --api-max-request-body --dns-cache-timeout --dns-lookup-timeout --dns-max-try --frontend-max-requests --frontend-http2-dump-request-header --frontend-http2-dump-response-header --frontend-frame-debug --daemon --pid-file --user --single-process --max-worker-processes --worker-process-grace-shutdown-period --mruby-file --ignore-per-pattern-mruby-error --frontend-quic-idle-timeout --frontend-quic-debug-log --quic-bpf-program-file --frontend-quic-early-data --frontend-quic-qlog-dir --frontend-quic-require-token --frontend-quic-congestion-controller --frontend-quic-secret-file --quic-server-id --frontend-quic-initial-rtt --no-quic-bpf --frontend-http3-window-size --frontend-http3-connection-window-size --frontend-http3-max-window-size --frontend-http3-max-connection-window-size --frontend-http3-max-concurrent-streams --conf --include --version --help ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--worker-read-rate --include --frontend-http2-dump-response-header --tls-ticket-key-file --verify-client-cacert --max-response-header-fields --backend-http2-window-size --tls13-client-ciphers --frontend-keep-alive-timeout --backend-request-buffer --max-request-header-fields --backend-connect-timeout --tls-max-proto-version --conf --dns-lookup-timeout --backend-http2-max-concurrent-streams --worker-write-burst --npn-list --dns-max-try --fetch-ocsp-response-file --no-via --tls-session-cache-memcached-cert-file --no-http2-cipher-black-list --mruby-file --add-forwarded --client-no-http2-cipher-black-list --stream-read-timeout --client-ciphers --ocsp-update-interval --forwarded-for --accesslog-syslog --dns-cache-timeout --frontend-http2-read-timeout --listener-disable-timeout --ciphers --client-psk-secrets --strip-incoming-x-forwarded-for --no-server-rewrite --private-key-passwd-file --backend-keep-alive-timeout --backend-http-proxy-uri --frontend-max-requests --tls-no-postpone-early-data --rlimit-nofile --no-strip-incoming-x-forwarded-proto --tls-ticket-key-memcached-cert-file --no-verify-ocsp --forwarded-by --tls-session-cache-memcached-private-key-file --error-page --ocsp-startup --backend-write-timeout --tls-dyn-rec-warmup-threshold --tls-ticket-key-memcached-max-retry --frontend-http2-window-size --http2-no-cookie-crumbling --worker-read-burst --dh-param-file --accesslog-format --errorlog-syslog --redirect-https-port --request-header-field-buffer --api-max-request-body --frontend-http2-decoder-dynamic-table-size --errorlog-file --frontend-http2-max-concurrent-streams --psk-secrets --frontend-write-timeout --tls-ticket-key-cipher --read-burst --no-add-x-forwarded-proto --backend --server-name --insecure --backend-max-backoff --log-level --host-rewrite --tls-ticket-key-memcached-interval --frontend-http2-setting-timeout --frontend-http2-connection-window-size --worker-frontend-connections --syslog-facility --fastopen --no-location-rewrite --single-thread --tls-session-cache-memcached --no-ocsp --backend-response-buffer --tls-min-proto-version --workers --add-x-forwarded-for --no-server-push --worker-write-rate --add-request-header --backend-http2-settings-timeout --subcert --ignore-per-pattern-mruby-error --ecdh-curves --no-kqueue --help --frontend-frame-debug --tls-sct-dir --pid-file --frontend-http2-dump-request-header --daemon --write-rate --altsvc --backend-http2-decoder-dynamic-table-size --no-strip-incoming-early-data --user --verify-client-tolerate-expired --frontend-read-timeout --tls-ticket-key-memcached-max-fail --backlog --write-burst --backend-connections-per-host --tls-max-early-data --response-header-field-buffer --tls-ticket-key-memcached-address-family --padding --tls-session-cache-memcached-address-family --stream-write-timeout --cacert --tls-ticket-key-memcached-private-key-file --accesslog-write-early --backend-address-family --backend-http2-connection-window-size --tls13-ciphers --version --add-response-header --backend-read-timeout --frontend-http2-optimize-window-size --frontend --accesslog-file --http2-proxy --backend-http2-encoder-dynamic-table-size --client-private-key-file --single-process --client-cert-file --tls-ticket-key-memcached --tls-dyn-rec-idle-timeout --frontend-http2-optimize-write-buffer-size --verify-client --frontend-http2-encoder-dynamic-table-size --read-rate --backend-connections-per-frontend --strip-incoming-forwarded ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/conf.py.in

@@ -41,7 +41,7 @@ import sys, os
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.insert(0, os.path.abspath('.'))
 
-sys.path.insert(0, os.path.abspath('@top_srcdir@/doc/_exts'))
+sys.path.append(os.path.abspath('@top_srcdir@/doc/_exts'))
 
 # -- General configuration -----------------------------------------------------
 
@@ -50,7 +50,7 @@ sys.path.insert(0, os.path.abspath('@top_srcdir@/doc/_exts'))
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['rubydomain.rubydomain']
+extensions = ['sphinxcontrib.rubydomain']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['@top_srcdir@/_templates']
@@ -128,7 +128,7 @@ html_theme = 'sphinx_rtd_theme'
 #html_theme_options = {}
 
 # Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = ['@top_srcdir@/doc/_themes']
+html_theme_path = ['@top_srcdir@/doc/_themes']
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".

doc/h2load.1

@@ -1,5 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
+.TH "H2LOAD" "1" "Jun 11, 2019" "1.39.0" "nghttp2"
+.SH NAME
+h2load \- HTTP/2 benchmarking tool
 .
 .nr rst2man-indent-level 0
 .
@@ -27,9 +30,6 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "H2LOAD" "1" "Oct 27, 2023" "1.58.0" "nghttp2"
-.SH NAME
-h2load \- HTTP/2 benchmarking tool
 .SH SYNOPSIS
 .sp
 \fBh2load\fP [OPTIONS]... [URI]...
@@ -99,17 +99,8 @@ Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-f, \-\-max\-frame\-size=<SIZE>
-Maximum frame size that the local endpoint is willing to
-receive.
-.sp
-Default: \fB16K\fP
-.UNINDENT
-.INDENT 0.0
-.TP
 .B \-w, \-\-window\-bits=<N>
 Sets the stream level initial window size to (2**<N>)\-1.
-For QUIC, <N> is capped to 26 (roughly 64MiB).
 .sp
 Default: \fB30\fP
 .UNINDENT
@@ -129,18 +120,10 @@ Add/Override a header to the requests.
 .INDENT 0.0
 .TP
 .B \-\-ciphers=<SUITE>
-Set  allowed cipher  list  for TLSv1.2  or earlier.   The
-format of the string is described in OpenSSL ciphers(1).
+Set allowed  cipher list.  The  format of the  string is
+described in OpenSSL ciphers(1).
 .sp
-Default: \fBECDHE\-ECDSA\-AES128\-GCM\-SHA256:ECDHE\-RSA\-AES128\-GCM\-SHA256:ECDHE\-ECDSA\-AES256\-GCM\-SHA384:ECDHE\-RSA\-AES256\-GCM\-SHA384:ECDHE\-ECDSA\-CHACHA20\-POLY1305:ECDHE\-RSA\-CHACHA20\-POLY1305:DHE\-RSA\-AES128\-GCM\-SHA256:DHE\-RSA\-AES256\-GCM\-SHA384\fP
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-tls13\-ciphers=<SUITE>
-Set allowed cipher list for  TLSv1.3.  The format of the
-string is described in OpenSSL ciphers(1).
-.sp
-Default: \fBTLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_CCM_SHA256\fP
+Default: \fBECDHE\-ECDSA\-AES256\-GCM\-SHA384:ECDHE\-RSA\-AES256\-GCM\-SHA384:ECDHE\-ECDSA\-CHACHA20\-POLY1305:ECDHE\-RSA\-CHACHA20\-POLY1305:ECDHE\-ECDSA\-AES128\-GCM\-SHA256:ECDHE\-RSA\-AES128\-GCM\-SHA256:ECDHE\-ECDSA\-AES256\-SHA384:ECDHE\-RSA\-AES256\-SHA384:ECDHE\-ECDSA\-AES128\-SHA256:ECDHE\-RSA\-AES128\-SHA256\fP
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -185,7 +168,7 @@ option is 1s.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-D, \-\-duration=<DURATION>
+.B \-D, \-\-duration=<N>
 Specifies the main duration for the measurements in case
 of timing\-based  benchmarking.  \fI\%\-D\fP  and \fI\%\-r\fP  are mutually
 exclusive.
@@ -237,8 +220,7 @@ to the  number of  script lines.   The scheme,  host and
 port defined in  the first URI are  used solely.  Values
 contained  in  other  URIs,  if  present,  are  ignored.
 Definition of a  base URI overrides all  scheme, host or
-port   values.   \fI\%\-\-timing\-script\-file\fP   and  \fI\%\-\-rps\fP   are
-mutually exclusive.
+port values.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -246,7 +228,7 @@ mutually exclusive.
 Specify URI from which the scheme, host and port will be
 used  for  all requests.   The  base  URI overrides  all
 values  defined either  at  the command  line or  inside
-input files.  If argument  starts with \(dqunix:\(dq, then the
+input files.  If argument  starts with "unix:", then the
 rest  of the  argument will  be treated  as UNIX  domain
 socket path.   The connection is made  through that path
 instead of TCP.   In this case, scheme  is inferred from
@@ -302,49 +284,6 @@ to buffering.  Status code is \-1 for failed streams.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-qlog\-file\-base=<PATH>
-Enable qlog output and specify base file name for qlogs.
-Qlog is emitted  for each connection.  For  a given base
-name   \(dqbase\(dq,    each   output   file    name   becomes
-\(dqbase.M.N.sqlog\(dq where M is worker ID and N is client ID
-(e.g. \(dqbase.0.3.sqlog\(dq).  Only effective in QUIC runs.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-connect\-to=<HOST>[:<PORT>]
-Host and port to connect  instead of using the authority
-in <URI>.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-rps=<N>
-Specify request  per second for each  client.  \fI\%\-\-rps\fP and
-\fI\%\-\-timing\-script\-file\fP are mutually exclusive.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-groups=<GROUPS>
-Specify the supported groups.
-.sp
-Default: \fBX25519:P\-256:P\-384:P\-521\fP
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-no\-udp\-gso
-Disable UDP GSO.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-max\-udp\-payload\-size=<SIZE>
-Specify the maximum outgoing UDP datagram payload size.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-ktls
-Enable ktls.
-.UNINDENT
-.INDENT 0.0
-.TP
 .B \-v, \-\-verbose
 Output debug information.
 .UNINDENT
@@ -408,7 +347,7 @@ The number of status code h2load received.
 .INDENT 7.0
 .TP
 .B total
-The number of bytes received from the server \(dqon the wire\(dq.  If
+The number of bytes received from the server "on the wire".  If
 requests were made via TLS, this value is the number of decrypted
 bytes.
 .TP

doc/h2load.1.rst

@@ -73,17 +73,9 @@ OPTIONS
 
     Default: ``1``
 
-.. option:: -f, --max-frame-size=<SIZE>
-
-    Maximum frame size that the local endpoint is willing to
-    receive.
-
-    Default: ``16K``
-
 .. option:: -w, --window-bits=<N>
 
     Sets the stream level initial window size to (2\*\*<N>)-1.
-    For QUIC, <N> is capped to 26 (roughly 64MiB).
 
     Default: ``30``
 
@@ -100,17 +92,10 @@ OPTIONS
 
 .. option:: --ciphers=<SUITE>
 
-    Set  allowed cipher  list  for TLSv1.2  or earlier.   The
-    format of the string is described in OpenSSL ciphers(1).
+    Set allowed  cipher list.  The  format of the  string is
+    described in OpenSSL ciphers(1).
 
-    Default: ``ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384``
-
-.. option:: --tls13-ciphers=<SUITE>
-
-    Set allowed cipher list for  TLSv1.3.  The format of the
-    string is described in OpenSSL ciphers(1).
-
-    Default: ``TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_CCM_SHA256``
+    Default: ``ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256``
 
 .. option:: -p, --no-tls-proto=<PROTOID>
 
@@ -149,7 +134,7 @@ OPTIONS
     the rate option is not used.  The default value for this
     option is 1s.
 
-.. option:: -D, --duration=<DURATION>
+.. option:: -D, --duration=<N>
 
     Specifies the main duration for the measurements in case
     of timing-based  benchmarking.  :option:`-D`  and :option:`\-r`  are mutually
@@ -198,8 +183,7 @@ OPTIONS
     port defined in  the first URI are  used solely.  Values
     contained  in  other  URIs,  if  present,  are  ignored.
     Definition of a  base URI overrides all  scheme, host or
-    port   values.   :option:`--timing-script-file`   and  :option:`\--rps`   are
-    mutually exclusive.
+    port values.
 
 .. option:: -B, --base-uri=(<URI>|unix:<PATH>)
 
@@ -255,42 +239,6 @@ OPTIONS
     appear slightly  out of order with  multiple threads due
     to buffering.  Status code is -1 for failed streams.
 
-.. option:: --qlog-file-base=<PATH>
-
-    Enable qlog output and specify base file name for qlogs.
-    Qlog is emitted  for each connection.  For  a given base
-    name   "base",    each   output   file    name   becomes
-    "base.M.N.sqlog" where M is worker ID and N is client ID
-    (e.g. "base.0.3.sqlog").  Only effective in QUIC runs.
-
-.. option:: --connect-to=<HOST>[:<PORT>]
-
-    Host and port to connect  instead of using the authority
-    in <URI>.
-
-.. option:: --rps=<N>
-
-    Specify request  per second for each  client.  :option:`--rps` and
-    :option:`--timing-script-file` are mutually exclusive.
-
-.. option:: --groups=<GROUPS>
-
-    Specify the supported groups.
-
-    Default: ``X25519:P-256:P-384:P-521``
-
-.. option:: --no-udp-gso
-
-    Disable UDP GSO.
-
-.. option:: --max-udp-payload-size=<SIZE>
-
-    Specify the maximum outgoing UDP datagram payload size.
-
-.. option:: --ktls
-
-    Enable ktls.
-
 .. option:: -v, --verbose
 
     Output debug information.

doc/libnghttp2_asio.rst.in

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

doc/mkapiref.py

@@ -1,11 +1,9 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 # nghttp2 - HTTP/2 C Library
-#
-# Copyright (c) 2020 nghttp2 contributors
-# Copyright (c) 2020 ngtcp2 contributors
+
 # 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
@@ -27,16 +25,17 @@
 
 # Generates API reference from C source code.
 
+from __future__ import unicode_literals
+from __future__ import print_function # At least python 2.6 is required
 import re, sys, argparse, os.path
 
 class FunctionDoc:
-    def __init__(self, name, content, domain, filename):
+    def __init__(self, name, content, domain):
         self.name = name
         self.content = content
         self.domain = domain
         if self.domain == 'function':
             self.funcname = re.search(r'(nghttp2_[^ )]+)\(', self.name).group(1)
-        self.filename = filename
 
     def write(self, out):
         out.write('.. {}:: {}\n'.format(self.domain, self.name))
@@ -65,26 +64,6 @@ class StructDoc:
                     out.write('        {}\n'.format(line))
             out.write('\n')
 
-class EnumDoc:
-    def __init__(self, name, content, members):
-        self.name = name
-        self.content = content
-        self.members = members
-
-    def write(self, out):
-        if self.name:
-            out.write('.. type:: {}\n'.format(self.name))
-            out.write('\n')
-            for line in self.content:
-                out.write('    {}\n'.format(line))
-            out.write('\n')
-            for name, content in self.members:
-                out.write('    .. enum:: {}\n'.format(name))
-                out.write('\n')
-                for line in content:
-                    out.write('        {}\n'.format(line))
-            out.write('\n')
-
 class MacroDoc:
     def __init__(self, name, content):
         self.name = name
@@ -96,76 +75,50 @@ class MacroDoc:
         for line in self.content:
             out.write('    {}\n'.format(line))
 
-class MacroSectionDoc:
-    def __init__(self, content):
-        self.content = content
-
-    def write(self, out):
-        out.write('\n')
-        c = ' '.join(self.content).strip()
-        out.write(c)
-        out.write('\n')
-        out.write('-' * len(c))
-        out.write('\n\n')
-
-class TypedefDoc:
-    def __init__(self, name, content):
-        self.name = name
-        self.content = content
-
-    def write(self, out):
-        out.write('''.. type:: {}\n'''.format(self.name))
-        out.write('\n')
-        for line in self.content:
-            out.write('    {}\n'.format(line))
-
-def make_api_ref(infile):
+def make_api_ref(infiles):
     macros = []
     enums = []
     types = []
     functions = []
-    while True:
-        line = infile.readline()
-        if not line:
-            break
-        elif line == '/**\n':
+    for infile in infiles:
+        while True:
             line = infile.readline()
-            doctype = line.split()[1]
-            if doctype == '@function':
-                functions.append(process_function('function', infile))
-            elif doctype == '@functypedef':
-                types.append(process_function('type', infile))
-            elif doctype == '@struct' or doctype == '@union':
-                types.append(process_struct(infile))
-            elif doctype == '@enum':
-                enums.append(process_enum(infile))
-            elif doctype == '@macro':
-                macros.append(process_macro(infile))
-            elif doctype == '@macrosection':
-                macros.append(process_macrosection(infile))
-            elif doctype == '@typedef':
-                types.append(process_typedef(infile))
+            if not line:
+                break
+            elif line == '/**\n':
+                line = infile.readline()
+                doctype = line.split()[1]
+                if doctype == '@function':
+                    functions.append(process_function('function', infile))
+                elif doctype == '@functypedef':
+                    types.append(process_function('type', infile))
+                elif doctype == '@struct' or doctype == '@union':
+                    types.append(process_struct(infile))
+                elif doctype == '@enum':
+                    enums.append(process_enum(infile))
+                elif doctype == '@macro':
+                    macros.append(process_macro(infile))
     return macros, enums, types, functions
 
+    alldocs = [('Macros', macros),
+               ('Enums', enums),
+               ('Types (structs, unions and typedefs)', types),
+               ('Functions', functions)]
+
 def output(
-        title, indexfile, macrosfile, enumsfile, typesfile, funcsdir,
+        indexfile, macrosfile, enumsfile, typesfile, funcsdir,
         macros, enums, types, functions):
     indexfile.write('''
-{title}
-{titledecoration}
+API Reference
+=============
 
 .. toctree::
    :maxdepth: 1
 
-   {macros}
-   {enums}
-   {types}
-'''.format(
-    title=title, titledecoration='='*len(title),
-    macros=os.path.splitext(os.path.basename(macrosfile.name))[0],
-    enums=os.path.splitext(os.path.basename(enumsfile.name))[0],
-    types=os.path.splitext(os.path.basename(typesfile.name))[0],
-))
+   macros
+   enums
+   types
+''')
 
     for doc in functions:
         indexfile.write('   {}\n'.format(doc.funcname))
@@ -200,10 +153,9 @@ Types (structs, unions and typedefs)
 Synopsis
 --------
 
-*#include <nghttp2/{filename}>*
+*#include <nghttp2/nghttp2.h>*
 
-'''.format(funcname=doc.funcname, secul='='*len(doc.funcname),
-           filename=doc.filename))
+'''.format(funcname=doc.funcname, secul='='*len(doc.funcname)))
             doc.write(f)
 
 def process_macro(infile):
@@ -212,17 +164,6 @@ def process_macro(infile):
     macro_name = line.split()[1]
     return MacroDoc(macro_name, content)
 
-def process_macrosection(infile):
-    content = read_content(infile)
-    return MacroSectionDoc(content)
-
-def process_typedef(infile):
-    content = read_content(infile)
-    typedef = infile.readline()
-    typedef = re.sub(r';\n$', '', typedef)
-    typedef = re.sub(r'typedef ', '', typedef)
-    return TypedefDoc(typedef, content)
-
 def process_enum(infile):
     members = []
     enum_name = None
@@ -235,7 +176,7 @@ def process_enum(infile):
             member_content = read_content(infile)
             line = infile.readline()
             items = line.split()
-            member_name = items[0].rstrip(',')
+            member_name = items[0]
             if len(items) >= 3:
                 member_content.insert(0, '(``{}``) '\
                                       .format(' '.join(items[2:]).rstrip(',')))
@@ -244,7 +185,7 @@ def process_enum(infile):
             enum_name = line.rstrip().split()[1]
             enum_name = re.sub(r';$', '', enum_name)
             break
-    return EnumDoc(enum_name, content, members)
+    return StructDoc(enum_name, content, members, 'macro')
 
 def process_struct(infile):
     members = []
@@ -285,9 +226,7 @@ def process_function(domain, infile):
     func_proto = re.sub(r';\n$', '', func_proto)
     func_proto = re.sub(r'\s+', ' ', func_proto)
     func_proto = re.sub(r'NGHTTP2_EXTERN ', '', func_proto)
-    func_proto = re.sub(r'typedef ', '', func_proto)
-    filename = os.path.basename(infile.name)
-    return FunctionDoc(func_proto, content, domain, filename)
+    return FunctionDoc(func_proto, content, domain)
 
 def read_content(infile):
     content = []
@@ -307,12 +246,11 @@ def arg_repl(matchobj):
 def transform_content(content):
     content = re.sub(r'^\s+\* ?', '', content)
     content = re.sub(r'\|([^\s|]+)\|', arg_repl, content)
+    content = re.sub(r':enum:', ':macro:', content)
     return content
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description="Generate API reference")
-    parser.add_argument('--title', default='API Reference',
-                        help='title of index page')
     parser.add_argument('index', type=argparse.FileType('w'),
                         help='index output file')
     parser.add_argument('macros', type=argparse.FileType('w'),
@@ -331,13 +269,12 @@ if __name__ == '__main__':
     types = []
     funcs = []
     for infile in args.files:
-        m, e, t, f = make_api_ref(infile)
+        m, e, t, f = make_api_ref(args.files)
         macros.extend(m)
         enums.extend(e)
         types.extend(t)
         funcs.extend(f)
     funcs.sort(key=lambda x: x.funcname)
     output(
-        args.title,
         args.index, args.macros, args.enums, args.types, args.funcsdir,
         macros, enums, types, funcs)

doc/nghttp.1

@@ -1,5 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
+.TH "NGHTTP" "1" "Jun 11, 2019" "1.39.0" "nghttp2"
+.SH NAME
+nghttp \- HTTP/2 client
 .
 .nr rst2man-indent-level 0
 .
@@ -27,9 +30,6 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "NGHTTP" "1" "Oct 27, 2023" "1.58.0" "nghttp2"
-.SH NAME
-nghttp \- HTTP/2 client
 .SH SYNOPSIS
 .sp
 \fBnghttp\fP [OPTIONS]... <URI>...
@@ -242,16 +242,6 @@ failure.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-ktls
-Enable ktls.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-no\-rfc7540\-pri
-Disable RFC7540 priorities.
-.UNINDENT
-.INDENT 0.0
-.TP
 .B \-\-version
 Display version information and exit.
 .UNINDENT
@@ -280,7 +270,7 @@ the easy way to test out the dependency priority in server
 implementation.
 .sp
 When connection is established, nghttp sends 5 PRIORITY frames to idle
-streams 3, 5, 7, 9 and 11 to create \(dqanchor\(dq nodes in dependency
+streams 3, 5, 7, 9 and 11 to create "anchor" nodes in dependency
 tree:
 .INDENT 0.0
 .INDENT 3.5
@@ -320,8 +310,8 @@ URI given in command\-line as html, and extracts resource links from
 it.  When requesting those resources, nghttp uses dependency according
 to its resource type.
 .sp
-For CSS, and Javascript files inside \(dqhead\(dq element, they depend on
-stream 3 with the weight 2.  The Javascript files outside \(dqhead\(dq
+For CSS, and Javascript files inside "head" element, they depend on
+stream 3 with the weight 2.  The Javascript files outside "head"
 element depend on stream 5 with the weight 2.  The mages depend on
 stream 11 with the weight 12.  The other resources (e.g., icon) depend
 on stream 11 with the weight 2.

doc/nghttp.1.rst

@@ -191,14 +191,6 @@ OPTIONS
     Suppress  warning  on  server  certificate  verification
     failure.
 
-.. option:: --ktls
-
-    Enable ktls.
-
-.. option:: --no-rfc7540-pri
-
-    Disable RFC7540 priorities.
-
 .. option:: --version
 
     Display version information and exit.

doc/nghttpd.1

@@ -1,5 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
+.TH "NGHTTPD" "1" "Jun 11, 2019" "1.39.0" "nghttp2"
+.SH NAME
+nghttpd \- HTTP/2 server
 .
 .nr rst2man-indent-level 0
 .
@@ -27,9 +30,6 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "NGHTTPD" "1" "Oct 27, 2023" "1.58.0" "nghttp2"
-.SH NAME
-nghttpd \- HTTP/2 server
 .SH SYNOPSIS
 .sp
 \fBnghttpd\fP [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>]
@@ -204,16 +204,6 @@ Don\(aqt send content\-length header field.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-ktls
-Enable ktls.
-.UNINDENT
-.INDENT 0.0
-.TP
-.B \-\-no\-rfc7540\-pri
-Disable RFC7540 priorities.
-.UNINDENT
-.INDENT 0.0
-.TP
 .B \-\-version
 Display version information and exit.
 .UNINDENT

doc/nghttpd.1.rst

@@ -159,14 +159,6 @@ OPTIONS
 
     Don't send content-length header field.
 
-.. option:: --ktls
-
-    Enable ktls.
-
-.. option:: --no-rfc7540-pri
-
-    Disable RFC7540 priorities.
-
 .. option:: --version
 
     Display version information and exit.

doc/nghttpx.1.rst

@@ -14,7 +14,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-A reverse proxy for HTTP/3, HTTP/2, and HTTP/1.
+A reverse proxy for HTTP/2, and HTTP/1.
 
 .. describe:: <PRIVATE_KEY>
 
@@ -124,13 +124,12 @@ Connections
     "affinity=<METHOD>",    "dns",    "redirect-if-not-tls",
     "upgrade-scheme",                        "mruby=<PATH>",
     "read-timeout=<DURATION>",   "write-timeout=<DURATION>",
-    "group=<GROUP>",  "group-weight=<N>", "weight=<N>",  and
-    "dnf".    The  parameter   consists   of  keyword,   and
-    optionally followed by "="  and value.  For example, the
-    parameter "proto=h2" consists of the keyword "proto" and
-    value "h2".  The parameter "tls" consists of the keyword
-    "tls"  without value.   Each parameter  is described  as
-    follows.
+    "group=<GROUP>",  "group-weight=<N>", and  "weight=<N>".
+    The  parameter  consists   of  keyword,  and  optionally
+    followed by  "=" and value.  For  example, the parameter
+    "proto=h2"  consists of  the keyword  "proto" and  value
+    "h2".  The parameter "tls" consists of the keyword "tls"
+    without value.  Each parameter is described as follows.
 
     The backend application protocol  can be specified using
     optional  "proto"   parameter,  and   in  the   form  of
@@ -193,18 +192,7 @@ Connections
     If a request scheme is "https", then Secure attribute is
     set.  Otherwise, it  is not set.  If  <SECURE> is "yes",
     the  Secure attribute  is  always set.   If <SECURE>  is
-    "no",   the   Secure   attribute  is   always   omitted.
-    "affinity-cookie-stickiness=<STICKINESS>"       controls
-    stickiness  of   this  affinity.   If   <STICKINESS>  is
-    "loose", removing or adding a backend server might break
-    the affinity  and the  request might  be forwarded  to a
-    different backend server.   If <STICKINESS> is "strict",
-    removing the designated  backend server breaks affinity,
-    but adding  new backend server does  not cause breakage.
-    If  the designated  backend server  becomes unavailable,
-    new backend server is chosen  as if the request does not
-    have  an  affinity  cookie.   <STICKINESS>  defaults  to
-    "loose".
+    "no", the Secure attribute is always omitted.
 
     By default, name resolution of backend host name is done
     at  start  up,  or reloading  configuration.   If  "dns"
@@ -272,19 +260,9 @@ Connections
     weight  becomes  1.   "weight"  is  ignored  if  session
     affinity is enabled.
 
-    If "dnf" parameter is  specified, an incoming request is
-    not forwarded to a backend  and just consumed along with
-    the  request body  (actually a  backend server  never be
-    contacted).  It  is expected  that the HTTP  response is
-    generated by mruby  script (see "mruby=<PATH>" parameter
-    above).  "dnf" is an abbreviation of "do not forward".
-
     Since ";" and ":" are  used as delimiter, <PATTERN> must
-    not contain  these characters.  In order  to include ":"
-    in  <PATTERN>,  one  has  to  specify  "%3A"  (which  is
-    percent-encoded  from of  ":") instead.   Since ";"  has
-    special  meaning  in shell,  the  option  value must  be
-    quoted.
+    not  contain these  characters.  Since  ";" has  special
+    meaning in shell, the option value must be quoted.
 
 
     Default: ``127.0.0.1,80``
@@ -322,16 +300,10 @@ Connections
     default.  Any  requests which come through  this address
     are replied with 200 HTTP status, without no body.
 
-    To accept  PROXY protocol  version 1  and 2  on frontend
+    To  accept   PROXY  protocol   version  1   on  frontend
     connection,  specify  "proxyproto" parameter.   This  is
     disabled by default.
 
-    To  receive   HTTP/3  (QUIC)  traffic,   specify  "quic"
-    parameter.  It  makes nghttpx listen on  UDP port rather
-    than  TCP   port.   UNIX   domain  socket,   "api",  and
-    "healthmon"  parameters  cannot   be  used  with  "quic"
-    parameter.
-
 
     Default: ``*,3000``
 
@@ -483,14 +455,6 @@ Performance
 
     Default: ``0``
 
-.. option:: --rlimit-memlock=<N>
-
-    Set maximum number of bytes of memory that may be locked
-    into  RAM.  If  0 is  given,  nghttpx does  not set  the
-    limit.
-
-    Default: ``0``
-
 .. option:: --backend-request-buffer=<SIZE>
 
     Set buffer size used to store backend request.
@@ -528,12 +492,6 @@ Timeout
 
     Default: ``3m``
 
-.. option:: --frontend-http3-read-timeout=<DURATION>
-
-    Specify read timeout for HTTP/3 frontend connection.
-
-    Default: ``3m``
-
 .. option:: --frontend-read-timeout=<DURATION>
 
     Specify read timeout for HTTP/1.1 frontend connection.
@@ -639,7 +597,7 @@ SSL/TLS
     This option  sets cipher suites for  TLSv1.2 or earlier.
     Use :option:`--tls13-ciphers` for TLSv1.3.
 
-    Default: ``ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384``
+    Default: ``ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256``
 
 .. option:: --tls13-ciphers=<SUITE>
 
@@ -648,7 +606,7 @@ SSL/TLS
     This  option  sets  cipher   suites  for  TLSv1.3.   Use
     :option:`--ciphers` for TLSv1.2 or earlier.
 
-    Default: ``TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256``
+    Default: ``TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256``
 
 .. option:: --client-ciphers=<SUITE>
 
@@ -657,7 +615,7 @@ SSL/TLS
     This option  sets cipher suites for  TLSv1.2 or earlier.
     Use :option:`--tls13-client-ciphers` for TLSv1.3.
 
-    Default: ``ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384``
+    Default: ``ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256``
 
 .. option:: --tls13-client-ciphers=<SUITE>
 
@@ -666,7 +624,7 @@ SSL/TLS
     This  option  sets  cipher   suites  for  TLSv1.3.   Use
     :option:`--tls13-client-ciphers` for TLSv1.2 or earlier.
 
-    Default: ``TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256``
+    Default: ``TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256``
 
 .. option:: --ecdh-curves=<LIST>
 
@@ -964,19 +922,19 @@ SSL/TLS
 
     Default: ``1s``
 
-.. option:: --no-http2-cipher-block-list
+.. option:: --no-http2-cipher-black-list
 
-    Allow  block  listed  cipher suite  on  frontend  HTTP/2
+    Allow  black  listed  cipher suite  on  frontend  HTTP/2
     connection.                                          See
     https://tools.ietf.org/html/rfc7540#appendix-A  for  the
-    complete HTTP/2 cipher suites block list.
+    complete HTTP/2 cipher suites black list.
 
-.. option:: --client-no-http2-cipher-block-list
+.. option:: --client-no-http2-cipher-black-list
 
-    Allow  block  listed  cipher  suite  on  backend  HTTP/2
+    Allow  black  listed  cipher  suite  on  backend  HTTP/2
     connection.                                          See
     https://tools.ietf.org/html/rfc7540#appendix-A  for  the
-    complete HTTP/2 cipher suites block list.
+    complete HTTP/2 cipher suites black list.
 
 .. option:: --tls-sct-dir=<DIR>
 
@@ -999,9 +957,9 @@ SSL/TLS
     are skipped.  The default  enabled cipher list might not
     contain any PSK cipher suite.  In that case, desired PSK
     cipher suites  must be  enabled using  :option:`--ciphers` option.
-    The  desired PSK  cipher suite  may be  block listed  by
+    The  desired PSK  cipher suite  may be  black listed  by
     HTTP/2.   To  use  those   cipher  suites  with  HTTP/2,
-    consider  to  use  :option:`--no-http2-cipher-block-list`  option.
+    consider  to  use  :option:`--no-http2-cipher-black-list`  option.
     But be aware its implications.
 
 .. option:: --client-psk-secrets=<PATH>
@@ -1015,20 +973,19 @@ SSL/TLS
     The default  enabled cipher  list might not  contain any
     PSK  cipher suite.   In  that case,  desired PSK  cipher
     suites  must be  enabled using  :option:`--client-ciphers` option.
-    The  desired PSK  cipher suite  may be  block listed  by
+    The  desired PSK  cipher suite  may be  black listed  by
     HTTP/2.   To  use  those   cipher  suites  with  HTTP/2,
-    consider   to  use   :option:`--client-no-http2-cipher-block-list`
+    consider   to  use   :option:`--client-no-http2-cipher-black-list`
     option.  But be aware its implications.
 
 .. option:: --tls-no-postpone-early-data
 
-    By  default,   except  for  QUIC   connections,  nghttpx
-    postpones forwarding  HTTP requests sent in  early data,
-    including  those  sent in  partially  in  it, until  TLS
-    handshake  finishes.  If  all backend  server recognizes
-    "Early-Data"  header  field,  using  this  option  makes
-    nghttpx  not postpone  forwarding request  and get  full
-    potential of 0-RTT data.
+    By default,  nghttpx postpones forwarding  HTTP requests
+    sent in early data, including those sent in partially in
+    it, until TLS handshake finishes.  If all backend server
+    recognizes "Early-Data" header  field, using this option
+    makes nghttpx  not postpone  forwarding request  and get
+    full potential of 0-RTT data.
 
 .. option:: --tls-max-early-data=<SIZE>
 
@@ -1037,11 +994,6 @@ SSL/TLS
 
     Default: ``16K``
 
-.. option:: --tls-ktls
-
-    Enable   ktls.    For   server,  ktls   is   enable   if
-    :option:`--tls-session-cache-memcached` is not configured.
-
 
 HTTP/2
 ~~~~~~
@@ -1251,14 +1203,6 @@ Logging
       request.  "-" if backend host is not available.
     * $backend_port:  backend  port   used  to  fulfill  the
       request.  "-" if backend host is not available.
-    * $method: HTTP method
-    * $path:  Request  path  including query.   For  CONNECT
-      request, authority is recorded.
-    * $path_without_query:  $path   up  to  the   first  '?'
-      character.    For   CONNECT  request,   authority   is
-      recorded.
-    * $protocol_version:   HTTP  version   (e.g.,  HTTP/1.1,
-      HTTP/2)
 
     The  variable  can  be  enclosed  by  "{"  and  "}"  for
     disambiguation (e.g., ${remote_addr}).
@@ -1383,38 +1327,29 @@ HTTP
     mode.  When  :option:`--http2-proxy` is  used, these  headers will
     not be altered regardless of this option.
 
-.. option:: --altsvc=<PROTOID,PORT[,HOST,[ORIGIN[,PARAMS]]]>
+.. option:: --altsvc=<PROTOID,PORT[,HOST,[ORIGIN]]>
 
     Specify   protocol  ID,   port,  host   and  origin   of
-    alternative service.  <HOST>,  <ORIGIN> and <PARAMS> are
-    optional.   Empty <HOST>  and <ORIGIN>  are allowed  and
-    they  are treated  as  nothing is  specified.  They  are
-    advertised  in alt-svc  header  field  only in  HTTP/1.1
-    frontend.   This option  can be  used multiple  times to
-    specify multiple alternative services.
-    Example: :option:`--altsvc`\="h2,443,,,ma=3600; persist=1"
-
-.. option:: --http2-altsvc=<PROTOID,PORT[,HOST,[ORIGIN[,PARAMS]]]>
-
-    Just like :option:`--altsvc` option, but  this altsvc is only sent
-    in HTTP/2 frontend.
+    alternative service.  <HOST>  and <ORIGIN> are optional.
+    They  are advertised  in  alt-svc header  field only  in
+    HTTP/1.1  frontend.  This  option can  be used  multiple
+    times   to   specify  multiple   alternative   services.
+    Example: :option:`--altsvc`\=h2,443
 
 .. option:: --add-request-header=<HEADER>
 
     Specify additional header field to add to request header
-    set.   The field  name must  be lowercase.   This option
-    just  appends header  field and  won't replace  anything
-    already set.  This  option can be used  several times to
-    specify multiple header fields.
+    set.  This  option just  appends header field  and won't
+    replace anything  already set.  This option  can be used
+    several  times   to  specify  multiple   header  fields.
     Example: :option:`--add-request-header`\="foo: bar"
 
 .. option:: --add-response-header=<HEADER>
 
     Specify  additional  header  field to  add  to  response
-    header  set.  The  field name  must be  lowercase.  This
-    option  just  appends  header field  and  won't  replace
-    anything already  set.  This option can  be used several
-    times to specify multiple header fields.
+    header set.   This option just appends  header field and
+    won't replace anything already  set.  This option can be
+    used several  times to  specify multiple  header fields.
     Example: :option:`--add-response-header`\="foo: bar"
 
 .. option:: --request-header-field-buffer=<SIZE>
@@ -1480,15 +1415,6 @@ HTTP
 
     Default: ``443``
 
-.. option:: --require-http-scheme
-
-    Always require http or https scheme in HTTP request.  It
-    also  requires that  https scheme  must be  used for  an
-    encrypted  connection.  Otherwise,  http scheme  must be
-    used.   This   option  is   recommended  for   a  server
-    deployment which directly faces clients and the services
-    it provides only require http or https scheme.
-
 
 API
 ~~~
@@ -1583,37 +1509,12 @@ Process
 
     Run this program in a  single process mode for debugging
     purpose.  Without this option,  nghttpx creates at least
-    2 processes: main and  worker processes.  If this option
-    is  used, main  and  worker are  unified  into a  single
-    process.   nghttpx still  spawns  additional process  if
-    neverbleed  is used.   In the  single process  mode, the
+    2  processes:  master  and worker  processes.   If  this
+    option is  used, master  and worker  are unified  into a
+    single process.  nghttpx still spawns additional process
+    if neverbleed is used.  In  the single process mode, the
     signal handling feature is disabled.
 
-.. option:: --max-worker-processes=<N>
-
-    The maximum number of  worker processes.  nghttpx spawns
-    new worker  process when  it reloads  its configuration.
-    The previous worker  process enters graceful termination
-    period and will terminate  when it finishes handling the
-    existing    connections.     However,    if    reloading
-    configurations  happen   very  frequently,   the  worker
-    processes might be piled up if they take a bit long time
-    to finish  the existing connections.  With  this option,
-    if  the number  of  worker processes  exceeds the  given
-    value,   the  oldest   worker   process  is   terminated
-    immediately.  Specifying 0 means no  limit and it is the
-    default behaviour.
-
-.. option:: --worker-process-grace-shutdown-period=<DURATION>
-
-    Maximum  period  for  a   worker  process  to  terminate
-    gracefully.  When  a worker  process enters  in graceful
-    shutdown   period  (e.g.,   when  nghttpx   reloads  its
-    configuration)  and  it  does not  finish  handling  the
-    existing connections in the given  period of time, it is
-    immediately terminated.  Specifying 0 means no limit and
-    it is the default behaviour.
-
 
 Scripting
 ~~~~~~~~~
@@ -1629,147 +1530,6 @@ Scripting
     file were specified for the pattern.
 
 
-HTTP/3 and QUIC
-~~~~~~~~~~~~~~~
-
-.. option:: --frontend-quic-idle-timeout=<DURATION>
-
-    Specify an idle timeout for QUIC connection.
-
-    Default: ``30s``
-
-.. option:: --frontend-quic-debug-log
-
-    Output QUIC debug log to */dev/stderr.*
-
-.. option:: --quic-bpf-program-file=<PATH>
-
-    Specify a path to  eBPF program file reuseport_kern.o to
-    direct  an  incoming  QUIC  UDP datagram  to  a  correct
-    socket.
-
-    Default: ``/usr/local/lib/nghttp2/reuseport_kern.o``
-
-.. option:: --frontend-quic-early-data
-
-    Enable early data on frontend QUIC connections.  nghttpx
-    sends "Early-Data" header field to a backend server if a
-    request is received in early  data and handshake has not
-    finished.  All backend servers should deal with possibly
-    replayed requests.
-
-.. option:: --frontend-quic-qlog-dir=<DIR>
-
-    Specify a  directory where  a qlog  file is  written for
-    frontend QUIC  connections.  A qlog file  is created per
-    each QUIC  connection.  The  file name is  ISO8601 basic
-    format, followed by "-", server Source Connection ID and
-    ".sqlog".
-
-.. option:: --frontend-quic-require-token
-
-    Require an address validation  token for a frontend QUIC
-    connection.   Server sends  a token  in Retry  packet or
-    NEW_TOKEN frame in the previous connection.
-
-.. option:: --frontend-quic-congestion-controller=<CC>
-
-    Specify a congestion controller algorithm for a frontend
-    QUIC  connection.   <CC>  should be  either  "cubic"  or
-    "bbr".
-
-    Default: ``cubic``
-
-.. option:: --frontend-quic-secret-file=<PATH>
-
-    Path to file that contains secure random data to be used
-    as QUIC keying materials.  It is used to derive keys for
-    encrypting tokens and Connection IDs.  It is not used to
-    encrypt  QUIC  packets.  Each  line  of  this file  must
-    contain  exactly  136  bytes  hex-encoded  string  (when
-    decoded the byte string is  68 bytes long).  The first 2
-    bits of  decoded byte  string are  used to  identify the
-    keying material.  An  empty line or a  line which starts
-    '#'  is ignored.   The file  can contain  more than  one
-    keying materials.  Because the  identifier is 2 bits, at
-    most 4 keying materials are  read and the remaining data
-    is discarded.  The first keying  material in the file is
-    primarily  used for  encryption and  decryption for  new
-    connection.  The other ones are used to decrypt data for
-    the  existing connections.   Specifying multiple  keying
-    materials enables  key rotation.   Please note  that key
-    rotation  does  not  occur automatically.   User  should
-    update  files  or  change  options  values  and  restart
-    nghttpx gracefully.   If opening  or reading  given file
-    fails, all loaded keying  materials are discarded and it
-    is treated as if none of  this option is given.  If this
-    option is not  given or an error  occurred while opening
-    or  reading  a  file,  a keying  material  is  generated
-    internally on startup and reload.
-
-.. option:: --quic-server-id=<HEXSTRING>
-
-    Specify server  ID encoded in Connection  ID to identify
-    this  particular  server  instance.   Connection  ID  is
-    encrypted and  this part is  not visible in  public.  It
-    must be 4  bytes long and must be encoded  in hex string
-    (which is 8  bytes long).  If this option  is omitted, a
-    random   server  ID   is   generated   on  startup   and
-    configuration reload.
-
-.. option:: --frontend-quic-initial-rtt=<DURATION>
-
-    Specify the initial RTT of the frontend QUIC connection.
-
-    Default: ``333ms``
-
-.. option:: --no-quic-bpf
-
-    Disable eBPF.
-
-.. option:: --frontend-http3-window-size=<SIZE>
-
-    Sets  the  per-stream  initial  window  size  of  HTTP/3
-    frontend connection.
-
-    Default: ``256K``
-
-.. option:: --frontend-http3-connection-window-size=<SIZE>
-
-    Sets the  per-connection window size of  HTTP/3 frontend
-    connection.
-
-    Default: ``1M``
-
-.. option:: --frontend-http3-max-window-size=<SIZE>
-
-    Sets  the  maximum  per-stream  window  size  of  HTTP/3
-    frontend connection.  The window  size is adjusted based
-    on the receiving rate of stream data.  The initial value
-    is the  value specified  by :option:`--frontend-http3-window-size`
-    and the window size grows up to <SIZE> bytes.
-
-    Default: ``6M``
-
-.. option:: --frontend-http3-max-connection-window-size=<SIZE>
-
-    Sets the  maximum per-connection  window size  of HTTP/3
-    frontend connection.  The window  size is adjusted based
-    on the receiving rate of stream data.  The initial value
-    is         the         value        specified         by
-    :option:`--frontend-http3-connection-window-size`  and the  window
-    size grows up to <SIZE> bytes.
-
-    Default: ``8M``
-
-.. option:: --frontend-http3-max-concurrent-streams=<N>
-
-    Set the maximum number of  the concurrent streams in one
-    frontend HTTP/3 connection.
-
-    Default: ``100``
-
-
 Misc
 ~~~~
 
@@ -1854,14 +1614,14 @@ Error log
   using :option:`--errorlog-file`.  The format of log message is as
   follows:
 
-  <datetime> <main-pid> <current-pid> <thread-id> <level> (<filename>:<line>) <msg>
+  <datetime> <master-pid> <current-pid> <thread-id> <level> (<filename>:<line>) <msg>
 
   <datetime>
     It is a combination of date and time when the log is written.  It
     is in ISO 8601 format.
 
-  <main-pid>
-    It is a main process ID.
+  <master-pid>
+    It is a master process ID.
 
   <current-pid>
     It is a process ID which writes this log.
@@ -1894,30 +1654,30 @@ SIGUSR2
 
   Fork and execute nghttpx.  It will execute the binary in the same
   path with same command-line arguments and environment variables.  As
-  of nghttpx version 1.20.0, the new main process sends SIGQUIT to the
-  original main process when it is ready to serve requests.  For the
-  earlier versions of nghttpx, user has to send SIGQUIT to the
-  original main process.
+  of nghttpx version 1.20.0, the new master process sends SIGQUIT to
+  the original master process when it is ready to serve requests.  For
+  the earlier versions of nghttpx, user has to send SIGQUIT to the
+  original master process.
 
   The difference between SIGUSR2 (+ SIGQUIT) and SIGHUP is that former
-  is usually used to execute new binary, and the main process is newly
-  spawned.  On the other hand, the latter just reloads configuration
-  file, and the same main process continues to exist.
+  is usually used to execute new binary, and the master process is
+  newly spawned.  On the other hand, the latter just reloads
+  configuration file, and the same master process continues to exist.
 
 .. note::
 
   nghttpx consists of multiple processes: one process for processing
   these signals, and another one for processing requests.  The former
-  spawns the latter.  The former is called main process, and the
+  spawns the latter.  The former is called master process, and the
   latter is called worker process.  If neverbleed is enabled, the
   worker process spawns neverbleed daemon process which does RSA key
-  processing.  The above signal must be sent to the main process.  If
-  the other processes received one of them, it is ignored.  This
+  processing.  The above signal must be sent to the master process.
+  If the other processes received one of them, it is ignored.  This
   behaviour of these processes may change in the future release.  In
-  other words, in the future release, the processes other than main
+  other words, in the future release, the processes other than master
   process may terminate upon the reception of these signals.
   Therefore these signals should not be sent to the processes other
-  than main process.
+  than master process.
 
 SERVER PUSH
 -----------

doc/nghttpx.h2r

@@ -46,14 +46,14 @@ Error log
   using :option:`--errorlog-file`.  The format of log message is as
   follows:
 
-  <datetime> <main-pid> <current-pid> <thread-id> <level> (<filename>:<line>) <msg>
+  <datetime> <master-pid> <current-pid> <thread-id> <level> (<filename>:<line>) <msg>
 
   <datetime>
     It is a combination of date and time when the log is written.  It
     is in ISO 8601 format.
 
-  <main-pid>
-    It is a main process ID.
+  <master-pid>
+    It is a master process ID.
 
   <current-pid>
     It is a process ID which writes this log.
@@ -86,30 +86,30 @@ SIGUSR2
 
   Fork and execute nghttpx.  It will execute the binary in the same
   path with same command-line arguments and environment variables.  As
-  of nghttpx version 1.20.0, the new main process sends SIGQUIT to the
-  original main process when it is ready to serve requests.  For the
-  earlier versions of nghttpx, user has to send SIGQUIT to the
-  original main process.
+  of nghttpx version 1.20.0, the new master process sends SIGQUIT to
+  the original master process when it is ready to serve requests.  For
+  the earlier versions of nghttpx, user has to send SIGQUIT to the
+  original master process.
 
   The difference between SIGUSR2 (+ SIGQUIT) and SIGHUP is that former
-  is usually used to execute new binary, and the main process is newly
-  spawned.  On the other hand, the latter just reloads configuration
-  file, and the same main process continues to exist.
+  is usually used to execute new binary, and the master process is
+  newly spawned.  On the other hand, the latter just reloads
+  configuration file, and the same master process continues to exist.
 
 .. note::
 
   nghttpx consists of multiple processes: one process for processing
   these signals, and another one for processing requests.  The former
-  spawns the latter.  The former is called main process, and the
+  spawns the latter.  The former is called master process, and the
   latter is called worker process.  If neverbleed is enabled, the
   worker process spawns neverbleed daemon process which does RSA key
-  processing.  The above signal must be sent to the main process.  If
-  the other processes received one of them, it is ignored.  This
+  processing.  The above signal must be sent to the master process.
+  If the other processes received one of them, it is ignored.  This
   behaviour of these processes may change in the future release.  In
-  other words, in the future release, the processes other than main
+  other words, in the future release, the processes other than master
   process may terminate upon the reception of these signals.
   Therefore these signals should not be sent to the processes other
-  than main process.
+  than master process.
 
 SERVER PUSH
 -----------

doc/programmers-guide.rst

@@ -6,7 +6,7 @@ Architecture
 
 The most notable point in nghttp2 library architecture is it does not
 perform any I/O.  nghttp2 only performs HTTP/2 protocol stuff based on
-input byte strings.  It will call callback functions set by
+input byte strings.  It will calls callback functions set by
 applications while processing input.  The output of nghttp2 is just
 byte string.  An application is responsible to send these output to
 the remote peer.  The callback functions may be called while producing
@@ -479,48 +479,3 @@ its creation, like so:
 When ALTSVC is received, :type:`nghttp2_on_frame_recv_callback` will
 be called as usual.
 
-Stream priorities
------------------
-
-By default, the stream prioritization scheme described in :rfc:`7540`
-is used.  This scheme has been formally deprecated by :rfc:`9113`.  In
-order to disable it, send
-:enum:`nghttp2_settings_id.NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES` of
-value of 1 via `nghttp2_submit_settings()`.  This settings ID is
-defined by :rfc:`9218`.  The sender of this settings value disables
-RFC 7540 priorities, and instead it enables RFC 9218 Extensible
-Prioritization Scheme.  This new prioritization scheme has 2 methods
-to convey the stream priorities to a remote endpoint: Priority header
-field and PRIORITY_UPDATE frame.  nghttp2 supports both methods.  In
-order to receive and process PRIORITY_UPDATE frame, server has to call
-``nghttp2_option_set_builtin_recv_extension_type(option,
-NGHTTP2_PRIORITY_UPDATE)`` (see the above section), and pass the
-option to `nghttp2_session_server_new2()` or
-`nghttp2_session_server_new3()` to create a server session.  Client
-can send Priority header field via `nghttp2_submit_request()`.  It can
-also send PRIORITY_UPDATE frame via
-`nghttp2_submit_priority_update()`.  Server processes Priority header
-field in a request header field and updates the stream priority unless
-HTTP messaging rule enforcement is disabled (see
-`nghttp2_option_set_no_http_messaging()`).
-
-For the purpose of smooth migration from RFC 7540 priorities, client
-is advised to send
-:enum:`nghttp2_settings_id.NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES` of
-value of 1.  Until it receives the first server SETTINGS frame, it can
-send both RFC 7540 and RFC 9128 priority signals.  If client receives
-SETTINGS_NO_RFC7540_PRIORITIES of value of 0, or it is omitted ,
-client stops sending PRIORITY_UPDATE frame.  Priority header field
-will be sent in anyway since it is an end-to-end signal.  If
-SETTINGS_NO_RFC7540_PRIORITIES of value of 1 is received, client stops
-sending RFC 7540 priority signals.  This is the advice described in
-:rfc:`9218#section-2.1.1`.
-
-Server has an optional mechanism to fallback to RFC 7540 priorities.
-By default, if server sends SETTINGS_NO_RFC7540_PRIORITIES of value of
-1, it completely disables RFC 7540 priorities and no fallback.  By
-setting nonzero value to
-`nghttp2_option_set_server_fallback_rfc7540_priorities()`, server
-falls back to RFC 7540 priorities if it sends
-SETTINGS_NO_RFC7540_PRIORITIES value of value of 1, and client omits
-SETTINGS_NO_RFC7540_PRIORITIES in its SETTINGS frame.

doc/python-apiref.rst.in

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

doc/security.rst

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

doc/sources/building-android-binary.rst

@@ -2,39 +2,49 @@ Building Android binary
 =======================
 
 In this article, we briefly describe how to build Android binary using
-`Android NDK <https://developer.android.com/ndk>`_ cross-compiler on
-Debian Linux.
+`Android NDK <https://developer.android.com/ndk/index.html>`_
+cross-compiler on Debian Linux.
 
 The easiest way to build android binary is use Dockerfile.android.
 See Dockerfile.android for more details.  If you cannot use
 Dockerfile.android for whatever reason, continue to read the rest of
 this article.
 
-We offer ``android-config`` script to make the build easier.  To make
-the script work, NDK directory must be set to ``NDK`` environment
-variable.  NDK directory is the directory where NDK is unpacked:
+We offer ``android-config`` and ``android-make`` scripts to make the
+build easier.  To make these script work, NDK toolchain must be
+installed in the following way.  First, let us introduce
+``ANDROID_HOME`` environment variable.  We need to install toolchain
+under ``$ANDROID_HOME/toolchain``.  An user can freely choose the path
+for ``ANDROID_HOME``.  For example, to install toolchain under
+``$ANDROID_HOME/toolchain``, do this in the the directory where NDK is
+unpacked:
 
 .. code-block:: text
 
-    $ unzip android-ndk-$NDK_VERSION-linux.zip
-    $ cd android-ndk-$NDK_VERSION
-    $ export NDK=$PWD
+    $ build/tools/make_standalone_toolchain.py \
+      --arch arm --api 16 --stl gnustl \
+      --install-dir $ANDROID_HOME/toolchain
+
+The API level (``--api``) is not important here because we don't use
+Android specific C/C++ API.
 
 The dependent libraries, such as OpenSSL, libev, and c-ares should be
-built with the same NDK toolchain and installed under
-``$NDK/usr/local``.  We recommend to build these libraries as static
-library to make the deployment easier.  libxml2 support is currently
-disabled.
+built with the toolchain and installed under
+``$ANDROID_HOME/usr/local``.  We recommend to build these libraries as
+static library to make the deployment easier.  libxml2 support is
+currently disabled.
 
 Although zlib comes with Android NDK, it seems not to be a part of
 public API, so we have to built it for our own.  That also provides us
 proper .pc file as a bonus.
 
-Before running ``android-config``, ``NDK`` environment variable must
-be set to point to the correct path.
+Before running ``android-config`` and ``android-make``,
+``ANDROID_HOME`` environment variable must be set to point to the
+correct path.  Also add ``$ANDROID_HOME/toolchain/bin`` to ``PATH``:
 
-You need to set ``NGHTTP2`` environment variable to the absolute path
-to the source directory of nghttp2.
+.. code-block:: text
+
+    $ export PATH=$PATH:$ANDROID_HOME/toolchain/bin
 
 To configure OpenSSL, use the following script:
 
@@ -42,36 +52,39 @@ To configure OpenSSL, use the following script:
 
     #!/bin/sh
 
-    . $NGHTTP2/android-env
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
 
-    export ANDROID_NDK_HOME=$NDK
-    export PATH=$TOOLCHAIN/bin:$PATH
+    export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi-
+    ./Configure --prefix=$PREFIX android
 
-    ./Configure no-shared --prefix=$PREFIX android-arm64
+And run ``make install_sw`` to build and install without
+documentation.
 
-And run the following script to build and install without
-documentation:
+We cannot compile libev without modification.  Apply `this patch
+<https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed>`_ before
+configuring libev.  This patch is for libev-4.19.  After applying the
+patch, to configure libev, use the following script:
 
 .. code-block:: sh
 
     #!/bin/sh
 
-    . $NGHTTP2/android-env
-
-    export PATH=$TOOLCHAIN/bin:$PATH
-
-    make install_sw
-
-To configure libev, use the following script:
-
-.. code-block:: sh
-
-    #!/bin/sh
-
-    . $NGHTTP2/android-env
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
 
     ./configure \
-        --host=$TARGET \
+        --host=arm-linux-androideabi \
         --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
         --prefix=$PREFIX \
         --disable-shared \
@@ -87,26 +100,41 @@ To configure c-ares, use the following script:
 
     #!/bin/sh -e
 
-    . $NGHTTP2/android-env
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
 
     ./configure \
-        --host=$TARGET \
+        --host=arm-linux-androideabi \
         --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
         --prefix=$PREFIX \
         --disable-shared
 
-And run ``make install`` to build and install.
-
 To configure zlib, use the following script:
 
 .. code-block:: sh
 
     #!/bin/sh -e
 
-    . $NGHTTP2/android-env
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
 
-    export HOST=$TARGET
+    HOST=arm-linux-androideabi
 
+    CC=$HOST-gcc \
+    AR=$HOST-ar \
+    LD=$HOST-ld \
+    RANLIB=$HOST-ranlib \
+    STRIP=$HOST-strip \
     ./configure \
         --prefix=$PREFIX \
         --libdir=$PREFIX/lib \
@@ -116,7 +144,7 @@ To configure zlib, use the following script:
 And run ``make install`` to build and install.
 
 After prerequisite libraries are prepared, run ``android-config`` and
-then ``make`` to compile nghttp2 source files.
+then ``android-make`` to compile nghttp2 source files.
 
 If all went well, application binaries, such as nghttpx, are created
 under src directory.  Strip debugging information from the binary
@@ -124,4 +152,4 @@ using the following command:
 
 .. code-block:: text
 
-    $ $NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip src/nghttpx
+    $ arm-linux-androideabi-strip src/nghttpx

doc/sources/contribute.rst

@@ -26,21 +26,21 @@ Coding style
 We use clang-format to format source code consistently.  The
 clang-format configuration file .clang-format is located at the root
 directory.  Since clang-format produces slightly different results
-between versions, we currently use clang-format-14.
+between versions, we currently use clang-format-8.
 
 To detect any violation to the coding style, we recommend to setup git
 pre-commit hook to check coding style of the changes you introduced.
 The pre-commit file is located at the root directory.  Copy it under
 .git/hooks and make sure that it is executable.  The pre-commit script
 uses clang-format-diff.py to detect any style errors.  If it is not in
-your PATH or it exists under different name (e.g.,
-clang-format-diff-14 in debian), either add it to PATH variable or add
-git option ``clangformatdiff.binary`` to point to the script.
+your PATH or it exists under different name (e.g., clang-format-diff-8
+in debian), either add it to PATH variable or add git option
+``clangformatdiff.binary`` to point to the script.
 
 For emacs users, integrating clang-format to emacs is very easy.
 clang-format.el should come with clang distribution.  If it is not
 found, download it from `here
-<https://github.com/llvm/llvm-project/blob/main/clang/tools/clang-format/clang-format.el>`_.
+<https://llvm.org/svn/llvm-project/cfe/trunk/tools/clang-format/clang-format.el>`_.
 And add these lines to your .emacs file:
 
 .. code-block:: lisp

doc/sources/h2load-howto.rst

@@ -131,12 +131,3 @@ specify ``unix:`` followed by the path to UNIX domain socket.  For
 example, if UNIX domain socket is ``/tmp/nghttpx.sock``, use
 ``--base-uri=unix:/tmp/nghttpx.sock``.  h2load uses scheme, host and
 port in the first URI in command-line or input file.
-
-HTTP/3
-------
-
-h2load supports HTTP/3 if it is built with HTTP/3 enabled.  HTTP/3
-support is experimental.
-
-In order to send HTTP/3 request, specify ``h3`` to
-:option:`--npn-list`.

doc/sources/index.rst

@@ -1,4 +1,4 @@
-.. nghttp2 documentation main file, created by
+.. nghttp2 documentation master file, created by
    sphinx-quickstart on Sun Mar 11 22:57:49 2012.
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
@@ -18,7 +18,6 @@ Contents:
 
    package_README
    contribute
-   security
    building-android-binary
    tutorial-client
    tutorial-server
@@ -31,8 +30,13 @@ Contents:
    h2load-howto
    programmers-guide
    apiref
+   libnghttp2_asio
+   python-apiref
    nghttp2.h
    nghttp2ver.h
+   asio_http2_server.h
+   asio_http2_client.h
+   asio_http2.h
    Source <https://github.com/nghttp2/nghttp2>
    Issues <https://github.com/nghttp2/nghttp2/issues>
    nghttp2.org <https://nghttp2.org/>

doc/sources/libnghttp2_asio.rst

@@ -0,0 +1,433 @@
+libnghttp2_asio: High level HTTP/2 C++ library
+==============================================
+
+libnghttp2_asio is C++ library built on top of libnghttp2 and provides
+high level abstraction API to build HTTP/2 applications.  It depends
+on Boost::ASIO library and OpenSSL.  Currently libnghttp2_asio
+provides server and client side API.
+
+libnghttp2_asio is not built by default.  Use ``--enable-asio-lib``
+configure flag to build libnghttp2_asio.  The required Boost libraries
+are:
+
+* Boost::Asio
+* Boost::System
+* Boost::Thread
+
+We have 3 header files for this library:
+
+* :doc:`asio_http2_server.h`
+* :doc:`asio_http2_client.h`
+* :doc:`asio_http2.h`
+
+asio_http2.h is included from the other two files.
+
+To build a program with libnghttp2_asio, link to the following
+libraries::
+
+    -lnghttp2_asio -lboost_system
+
+If ``boost::asio::ssl`` is used in application code, OpenSSL is also
+required in link line::
+
+    -lnghttp2_asio -lboost_system -lssl -lcrypto
+
+Server API
+----------
+
+To use server API, first include following header file:
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2_server.h>
+
+Also take a look at that header file :doc:`asio_http2_server.h`.
+
+Server API is designed to build HTTP/2 server very easily to utilize
+C++11 anonymous function and closure.  The bare minimum example of
+HTTP/2 server looks like this:
+
+.. code-block:: cpp
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      boost::system::error_code ec;
+      http2 server;
+
+      server.handle("/", [](const request &req, const response &res) {
+        res.write_head(200);
+        res.end("hello, world\n");
+      });
+
+      if (server.listen_and_serve(ec, "localhost", "3000")) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    }
+
+First we instantiate ``nghttp2::asio_http2::server::http2`` object.
+``nghttp2::asio_http2::server::http2::handle`` function registers
+pattern and its handler function.  In this example, we register "/" as
+pattern, which matches all requests.  Then call
+``nghttp2::asio_http2::server::http2::listen_and_serve`` function with
+address and port to listen to.
+
+The ``req`` and ``res`` represent HTTP request and response
+respectively.  ``nghttp2::asio_http2_::server::response::write_head``
+constructs HTTP response header fields.  The first argument is HTTP
+status code, in the above example, which is 200.  The second argument,
+which is omitted in the above example, is additional header fields to
+send.
+
+``nghttp2::asio_http2::server::response::end`` sends response body.
+In the above example, we send string "hello, world".
+
+The life time of req and res object ends after the callback set by
+``nghttp2::asio_http2::server::response::on_close`` function.
+Application must not use those objects after this call.
+
+Serving static files and enabling SSL/TLS
++++++++++++++++++++++++++++++++++++++++++
+
+In this example, we serve a couple of static files and also enable
+SSL/TLS.
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2_server.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      boost::system::error_code ec;
+      boost::asio::ssl::context tls(boost::asio::ssl::context::sslv23);
+
+      tls.use_private_key_file("server.key", boost::asio::ssl::context::pem);
+      tls.use_certificate_chain_file("server.crt");
+
+      configure_tls_context_easy(ec, tls);
+
+      http2 server;
+
+      server.handle("/index.html", [](const request &req, const response &res) {
+        res.write_head(200);
+        res.end(file_generator("index.html"));
+      });
+
+      if (server.listen_and_serve(ec, tls, "localhost", "3000")) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    }
+
+We first create ``boost::asio::ssl::context`` object and set path to
+private key file and certificate file.
+``nghttp2::asio_http2::server::configure_tls_context_easy`` function
+configures SSL/TLS context object for HTTP/2 server use, including NPN
+callbacks.
+
+In the above example, if request path is "/index.html", we serve
+index.html file in the current working directory.
+``nghttp2::asio_http2::server::response::end`` has overload to take
+function of type ``nghttp2::asio_http2::generator_cb`` and application
+pass its implementation to generate response body.  For the
+convenience, libnghttp2_asio library provides
+``nghttp2::asio_http2::file_generator`` function to generate function
+to server static file.  If other resource is requested, server
+automatically responds with 404 status code.
+
+Server push
++++++++++++
+
+Server push is also supported.
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2_server.h>
+
+    using namespace nghttp2::asio_http2;
+    using namespace nghttp2::asio_http2::server;
+
+    int main(int argc, char *argv[]) {
+      boost::system::error_code ec;
+      boost::asio::ssl::context tls(boost::asio::ssl::context::sslv23);
+
+      tls.use_private_key_file("server.key", boost::asio::ssl::context::pem);
+      tls.use_certificate_chain_file("server.crt");
+
+      configure_tls_context_easy(ec, tls);
+
+      http2 server;
+
+      std::string style_css = "h1 { color: green; }";
+
+      server.handle("/", [&style_css](const request &req, const response &res) {
+        boost::system::error_code ec;
+        auto push = res.push(ec, "GET", "/style.css");
+        push->write_head(200);
+        push->end(style_css);
+
+        res.write_head(200);
+        res.end(R"(
+    <!DOCTYPE html><html lang="en">
+    <title>HTTP/2 FTW</title><body>
+    <link href="/style.css" rel="stylesheet" type="text/css">
+    <h1>This should be green</h1>
+    </body></html>
+    )");
+      });
+
+      server.handle("/style.css",
+                    [&style_css](const request &req, const response &res) {
+        res.write_head(200);
+        res.end(style_css);
+      });
+
+      if (server.listen_and_serve(ec, tls, "localhost", "3000")) {
+        std::cerr << "error: " << ec.message() << std::endl;
+      }
+    }
+
+When client requested any resource other than "/style.css", we push
+"/style.css".  To push resource, call
+``nghttp2::asio_http2::server::response::push`` function with desired
+method and path.  It returns another response object and use its
+functions to send push response.
+
+Enable multi-threading
+++++++++++++++++++++++
+
+Enabling multi-threading is very easy.  Just call
+``nghttp2::asio_http2::server::http2::num_threads`` function with the
+desired number of threads:
+
+.. code-block:: cpp
+
+    http2 server;
+
+    // Use 4 native threads
+    server.num_threads(4);
+
+Client API
+----------
+
+To use client API, first include following header file:
+
+.. code-block:: cpp
+
+    #include <nghttp2/asio_http2_client.h>
+
+Also take a look at that header file :doc:`asio_http2_client.h`.
+
+Here is the sample client code to access HTTP/2 server and print out
+response header fields and response body to the console screen:
+
+.. code-block:: cpp
+
+    #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[]) {
+      boost::system::error_code ec;
+      boost::asio::io_service io_service;
+
+      // connect to localhost:3000
+      session sess(io_service, "localhost", "3000");
+
+      sess.on_connect([&sess](tcp::resolver::iterator endpoint_it) {
+	boost::system::error_code ec;
+
+	auto req = sess.submit(ec, "GET", "http://localhost:3000/");
+
+	req->on_response([](const response &res) {
+	  // print status code and response header fields.
+	  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) {
+	  // shutdown session after first request was done.
+	  sess.shutdown();
+	});
+      });
+
+      sess.on_error([](const boost::system::error_code &ec) {
+	std::cerr << "error: " << ec.message() << std::endl;
+      });
+
+      io_service.run();
+    }
+
+``nghttp2::asio_http2::client::session`` object takes
+``boost::asio::io_service`` object and remote server address.  When
+connection is made, the callback function passed to
+``nghttp2::asio_http2::client::on_connect`` is invoked with connected
+address as its parameter.  After this callback call, use
+``nghttp2::asio_http2::session::submit`` to send request to the
+server.  You can submit multiple requests at once without waiting for
+the completion of previous request.
+
+The life time of req and res object ends after the callback set by
+``nghttp2::asio_http2::server::request::on_close`` function.
+Application must not use those objects after this call.
+
+Normally, client does not stop even after all requests are done unless
+connection is lost.  To stop client, call
+``nghttp2::asio_http2::server::session::shutdown()``.
+
+Receive server push and enable SSL/TLS
+++++++++++++++++++++++++++++++++++++++
+
+.. code-block:: cpp
+
+    #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[]) {
+      boost::system::error_code ec;
+      boost::asio::io_service io_service;
+
+      boost::asio::ssl::context tls(boost::asio::ssl::context::sslv23);
+      tls.set_default_verify_paths();
+      // disabled to make development easier...
+      // tls_ctx.set_verify_mode(boost::asio::ssl::verify_peer);
+      configure_tls_context(ec, tls);
+
+      // connect to localhost:3000
+      session sess(io_service, tls, "localhost", "3000");
+
+      sess.on_connect([&sess](tcp::resolver::iterator endpoint_it) {
+	boost::system::error_code ec;
+
+	auto req = sess.submit(ec, "GET", "http://localhost:3000/");
+
+	req->on_response([&sess](const response &res) {
+	  std::cerr << "response received!" << std::endl;
+	  res.on_data([&sess](const uint8_t *data, std::size_t len) {
+	    std::cerr.write(reinterpret_cast<const char *>(data), len);
+	    std::cerr << std::endl;
+	  });
+	});
+
+	req->on_push([](const request &push) {
+	  std::cerr << "push request received!" << std::endl;
+	  push.on_response([](const response &res) {
+	    std::cerr << "push response 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();
+    }
+
+The above sample code demonstrates how to enable SSL/TLS and receive
+server push.  Currently,
+``nghttp2::asio_http2::client::configure_tls_context`` function setups
+NPN callbacks for SSL/TLS context for HTTP/2 use.
+
+To receive server push, use
+``nghttp2::asio_http2::client::request::on_push`` function to set
+callback function which is invoked when server push request is
+arrived.  The callback function takes
+``nghttp2::asio_http2::client::request`` object, which contains the
+pushed request.  To get server push response, set callback using
+``nghttp2::asio_http2::client::request::on_response``.
+
+As stated in the previous section, client does not stop automatically
+as long as HTTP/2 session is fine and connection is alive.  We don't
+call ``nghttp2::asio_http2::client::session::shutdown`` in this
+example, so the program does not terminate after all responses are
+received.  Hit Ctrl-C to terminate the program.
+
+Multiple concurrent requests
+++++++++++++++++++++++++++++
+
+.. code-block:: cpp
+
+    #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[]) {
+      boost::system::error_code ec;
+      boost::asio::io_service io_service;
+
+      // connect to localhost:3000
+      session sess(io_service, "localhost", "3000");
+
+      sess.on_connect([&sess](tcp::resolver::iterator endpoint_it) {
+	boost::system::error_code ec;
+
+	auto printer = [](const response &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;
+	  });
+	};
+
+	std::size_t num = 3;
+	auto count = std::make_shared<int>(num);
+
+	for (std::size_t i = 0; i < num; ++i) {
+	  auto req = sess.submit(ec, "GET",
+				 "http://localhost:3000/" + std::to_string(i + 1));
+
+	  req->on_response(printer);
+	  req->on_close([&sess, count](uint32_t error_code) {
+	    if (--*count == 0) {
+	      // shutdown session after |num| requests were done.
+	      sess.shutdown();
+	    }
+	  });
+	}
+      });
+
+      sess.on_error([](const boost::system::error_code &ec) {
+	std::cerr << "error: " << ec.message() << std::endl;
+      });
+
+      io_service.run();
+    }
+
+Here is the sample to send 3 requests at once.  Depending on the
+server settings, these requests are processed out-of-order.  In this
+example, we have a trick to shutdown session after all requests were
+done.  We made ``count`` object which is shared pointer to int and is
+initialized to 3.  On each request closure (the invocation of the
+callback set by ``nghttp2::asio_http2::client::request::on_close``),
+we decrement the count.  If count becomes 0, we are sure that all
+requests have been done and initiate shutdown.

doc/sources/nghttpx-howto.rst

@@ -14,8 +14,8 @@ Default mode
 
 If nghttpx is invoked without :option:`--http2-proxy`, it operates in
 default mode.  In this mode, it works as reverse proxy (gateway) for
-HTTP/3, HTTP/2 and HTTP/1 clients to backend servers.  This is also
-known as "HTTP/2 router".
+both HTTP/2 and HTTP/1 clients to backend servers.  This is also known
+as "HTTP/2 router".
 
 By default, frontend connection is encrypted using SSL/TLS.  So
 server's private key and certificate must be supplied to the command
@@ -28,9 +28,6 @@ the frontend, and an HTTP/1 connection can be upgraded to HTTP/2 using
 HTTP Upgrade.  Starting HTTP/2 connection by sending HTTP/2 connection
 preface is also supported.
 
-In order to receive HTTP/3 traffic, use ``quic`` parameter in
-:option:`--frontend` option (.e.g, ``--frontend='*,443;quic'``)
-
 nghttpx can listen on multiple frontend addresses.  This is achieved
 by using multiple :option:`--frontend` options.  For each frontend
 address, TLS can be enabled or disabled.
@@ -231,7 +228,7 @@ process.  It will do fork and execute new executable, using same
 command-line arguments and environment variables.
 
 As of nghttpx version 1.20.0, that is all you have to do.  The new
-main process sends QUIT signal to the original process, when it is
+master process sends QUIT signal to the original process, when it is
 ready to serve requests, to shut it down gracefully.
 
 For earlier versions of nghttpx, you have to do one more thing.  At
@@ -242,7 +239,7 @@ current process will exit.  At this point, only new nghttpx process
 exists and serves incoming requests.
 
 If you want to just reload configuration file without executing new
-binary, send SIGHUP to nghttpx main process.
+binary, send SIGHUP to nghttpx master process.
 
 Re-opening log files
 --------------------
@@ -404,9 +401,6 @@ like so:
 
    frontend=*,443;proxyproto
 
-nghttpx supports both PROXY protocol v1 and v2.  AF_UNIX in PROXY
-protocol version 2 is ignored.
-
 Session affinity
 ----------------
 
@@ -427,11 +421,7 @@ parameter.  Optionally, a Path attribute can be specified in
    backend=127.0.0.1,3000;;affinity=cookie;affinity-cookie-name=nghttpxlb;affinity-cookie-path=/
 
 Secure attribute of cookie is set if client connection is protected by
-TLS.  ``affinity-cookie-stickiness`` specifies the stickiness of this
-affinity.  If ``loose`` is given, which is the default, removing or
-adding a backend server might break affinity.  While ``strict`` is
-given, removing the designated backend server breaks affinity, but
-adding new backend server does not cause breakage.
+TLS.
 
 PSK cipher suites
 -----------------
@@ -452,10 +442,10 @@ nghttpx server accepts any of the identity and secret pairs in the
 file.  The default cipher suite list does not contain PSK cipher
 suites.  In order to use PSK, PSK cipher suite must be enabled by
 using :option:`--ciphers` option.  The desired PSK cipher suite may be
-listed in `HTTP/2 cipher block list
+listed in `HTTP/2 cipher black list
 <https://tools.ietf.org/html/rfc7540#appendix-A>`_.  In order to use
-such PSK cipher suite with HTTP/2, disable HTTP/2 cipher block list by
-using :option:`--no-http2-cipher-block-list` option.  But you should
+such PSK cipher suite with HTTP/2, disable HTTP/2 cipher black list by
+using :option:`--no-http2-cipher-black-list` option.  But you should
 understand its implications.
 
 At the time of writing, even if only PSK cipher suites are specified
@@ -475,10 +465,10 @@ used, like so:
 The default cipher suite list does not contain PSK cipher suites.  In
 order to use PSK, PSK cipher suite must be enabled by using
 :option:`--client-ciphers` option.  The desired PSK cipher suite may
-be listed in `HTTP/2 cipher block list
+be listed in `HTTP/2 cipher black list
 <https://tools.ietf.org/html/rfc7540#appendix-A>`_.  In order to use
-such PSK cipher suite with HTTP/2, disable HTTP/2 cipher block list by
-using :option:`--client-no-http2-cipher-block-list` option.  But you
+such PSK cipher suite with HTTP/2, disable HTTP/2 cipher black list by
+using :option:`--client-no-http2-cipher-black-list` option.  But you
 should understand its implications.
 
 TLSv1.3
@@ -516,60 +506,6 @@ Bootstrapping WebSockets with HTTP/2 for both frontend and backend
 connections.  This feature is enabled by default and no configuration
 is required.
 
-WebSockets over HTTP/3 is also supported.
-
-HTTP/3
-------
-
-nghttpx supports HTTP/3 if it is built with HTTP/3 support enabled.
-HTTP/3 support is experimental.
-
-In order to listen UDP port to receive HTTP/3 traffic,
-:option:`--frontend` option must have ``quic`` parameter:
-
-.. code-block:: text
-
-   frontend=*,443;quic
-
-The above example makes nghttpx receive HTTP/3 traffic on UDP
-port 443.
-
-nghttpx does not support HTTP/3 on backend connection.
-
-Hot swapping (SIGUSR2) or configuration reload (SIGHUP) require eBPF
-program.  Without eBPF, old worker processes keep getting HTTP/3
-traffic and do not work as intended.  The QUIC keying material to
-encrypt Connection ID must be set with
-:option:`--frontend-quic-secret-file` and must provide the existing
-keys in order to keep the existing connections alive during reload.
-
-The construction of Connection ID closely follows Block Cipher CID
-Algorithm described in `QUIC-LB draft
-<https://datatracker.ietf.org/doc/html/draft-ietf-quic-load-balancers>`_.
-A Connection ID that nghttpx generates is always 20 bytes long.  It
-uses first 2 bits as a configuration ID.  The remaining bits in the
-first byte are reserved and random.  The next 4 bytes are server ID.
-The next 4 bytes are used to route UDP datagram to a correct
-``SO_REUSEPORT`` socket.  The remaining bytes are randomly generated.
-The server ID and the next 12 bytes are encrypted with AES-ECB.  The
-key is derived from the keying materials stored in a file specified by
-:option:`--frontend-quic-secret-file`.  The first 2 bits of keying
-material in the file is used as a configuration ID.  The remaining
-bits and following 3 bytes are reserved and unused.  The next 32 bytes
-are used as an initial secret.  The remaining 32 bytes are used as a
-salt.  The encryption key is generated by `HKDF
-<https://datatracker.ietf.org/doc/html/rfc5869>`_ with SHA256 and
-these keying materials and ``connection id encryption key`` as info.
-
-In order announce that HTTP/3 endpoint is available, you should
-specify alt-svc header field.  For example, the following options send
-alt-svc header field in HTTP/1.1 and HTTP/2 response:
-
-.. code-block:: text
-
-   altsvc=h3,443,,,ma=3600
-   http2-altsvc=h3,443,,,ma=3600
-
 Migration from nghttpx v1.18.x or earlier
 -----------------------------------------
 
@@ -577,10 +513,10 @@ As of nghttpx v1.19.0, :option:`--ciphers` option only changes cipher
 list for frontend TLS connection.  In order to change cipher list for
 backend connection, use :option:`--client-ciphers` option.
 
-Similarly, :option:`--no-http2-cipher-block-list` option only disables
-HTTP/2 cipher block list for frontend connection.  In order to disable
-HTTP/2 cipher block list for backend connection, use
-:option:`--client-no-http2-cipher-block-list` option.
+Similarly, :option:`--no-http2-cipher-black-list` option only disables
+HTTP/2 cipher black list for frontend connection.  In order to disable
+HTTP/2 cipher black list for backend connection, use
+:option:`--client-no-http2-cipher-black-list` option.
 
 ``--accept-proxy-protocol`` option was deprecated.  Instead, use
 ``proxyproto`` parameter in :option:`--frontend` option to enable

doc/sources/python-apiref.rst

@@ -0,0 +1,439 @@
+Python API Reference
+====================
+
+.. py:module:: nghttp2
+
+nghttp2 offers some high level Python API to C library.  The bindings
+currently provide HPACK compressor and decompressor classes and HTTP/2
+server class.
+
+The extension module is called ``nghttp2``.
+
+``make`` will build the bindings.  The target Python version is
+determined by configure script.  If the detected Python version is not
+what you expect, specify a path to Python executable in ``PYTHON``
+variable as an argument to configure script (e.g., ``./configure
+PYTHON=/usr/bin/python3.5``).
+
+HPACK API
+---------
+
+.. py:class:: HDDeflater(hd_table_bufsize_max=DEFLATE_MAX_HEADER_TABLE_SIZE)
+
+   This class is used to perform header compression.  The
+   *hd_table_bufsize_max* limits the usage of header table in the
+   given amount of bytes.  The default value is
+   :py:data:`DEFLATE_MAX_HEADER_TABLE_SIZE`.  This is necessary
+   because the deflater and inflater share the same amount of header
+   table and the inflater decides that number.  The deflater may not
+   want to use all header table size because of limited memory
+   availability.  In that case, *hd_table_bufsize_max* can be used to
+   cap the upper limit of table size whatever the header table size is
+   chosen by the inflater.
+
+   .. py:method:: deflate(headers)
+
+      Deflates the *headers*. The *headers* must be sequence of tuple
+      of name/value pair, which are byte strings (not unicode string).
+
+      This method returns the deflated header block in byte string.
+      Raises the exception if any error occurs.
+
+   .. py:method:: set_no_refset(no_refset)
+
+      Tells the deflater not to use reference set if *no_refset* is
+      evaluated to ``True``.  If that happens, on each subsequent
+      invocation of :py:meth:`deflate()`, deflater will clear up
+      refersent set.
+
+   .. py:method:: change_table_size(hd_table_bufsize_max)
+
+      Changes header table size to *hd_table_bufsize_max* byte.  if
+      *hd_table_bufsize_max* is strictly larger than
+      ``hd_table_bufsize_max`` given in constructor,
+      ``hd_table_bufsize_max`` is used as header table size instead.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: get_hd_table()
+
+      Returns copy of current dynamic header table.
+
+The following example shows how to deflate header name/value pairs:
+
+.. code-block:: python
+
+   import binascii, nghttp2
+
+   deflater = nghttp2.HDDeflater()
+
+   res = deflater.deflate([(b'foo', b'bar'),
+                           (b'baz', b'buz')])
+
+   print(binascii.b2a_hex(res))
+
+
+.. py:class:: HDInflater()
+
+   This class is used to perform header decompression.
+
+   .. py:method:: inflate(data)
+
+      Inflates the deflated header block *data*. The *data* must be
+      byte string.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: change_table_size(hd_table_bufsize_max)
+
+      Changes header table size to *hd_table_bufsize_max* byte.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: get_hd_table()
+
+      Returns copy of current dynamic header table.
+
+The following example shows how to inflate deflated header block:
+
+.. code-block:: python
+
+   deflater = nghttp2.HDDeflater()
+
+   data = deflater.deflate([(b'foo', b'bar'),
+                            (b'baz', b'buz')])
+
+   inflater = nghttp2.HDInflater()
+
+   hdrs = inflater.inflate(data)
+
+   print(hdrs)
+
+
+.. py:function:: print_hd_table(hdtable)
+
+   Convenient function to print *hdtable* to the standard output.  The
+   *hdtable* is the one retrieved by
+   :py:meth:`HDDeflater.get_hd_table()` or
+   :py:meth:`HDInflater.get_hd_table()`.  This function does not work
+   if header name/value cannot be decoded using UTF-8 encoding.
+
+   In output, ``s=N`` means the entry occupies ``N`` bytes in header
+   table.  If ``r=y``, then the entry is in the reference set.
+
+.. py:data:: DEFAULT_HEADER_TABLE_SIZE
+
+   The default header table size, which is 4096 as per HTTP/2
+   specification.
+
+.. py:data:: DEFLATE_MAX_HEADER_TABLE_SIZE
+
+   The default header table size for deflater.  The initial value
+   is 4096.
+
+HTTP/2 servers
+--------------
+
+.. note::
+
+   We use :py:mod:`asyncio` for HTTP/2 server classes, and ALPN.
+   Therefore, Python 3.5 or later is required to use these objects.
+   To explicitly configure nghttp2 build to use Python 3.5, specify
+   the ``PYTHON`` variable to the path to Python 3.5 executable when
+   invoking configure script like this:
+
+   .. code-block:: text
+
+       $ ./configure PYTHON=/usr/bin/python3.5
+
+.. py:class:: HTTP2Server(address, RequestHandlerClass, ssl=None)
+
+   This class builds on top of the :py:mod:`asyncio` event loop.  On
+   construction, *RequestHandlerClass* must be given, which must be a
+   subclass of :py:class:`BaseRequestHandler` class.
+
+   The *address* must be a tuple of hostname/IP address and port to
+   bind.  If hostname/IP address is ``None``, all interfaces are
+   assumed.
+
+   To enable SSL/TLS, specify instance of :py:class:`ssl.SSLContext`
+   in *ssl*.  Before passing *ssl* to
+   :py:func:`BaseEventLoop.create_server`, ALPN protocol identifiers
+   are set using :py:meth:`ssl.SSLContext.set_npn_protocols`.
+
+   To disable SSL/TLS, omit *ssl* or specify ``None``.
+
+   .. py:method:: serve_forever()
+
+      Runs server and processes incoming requests forever.
+
+.. py:class:: BaseRequestHandler(http2, stream_id)
+
+   The class is used to handle the single HTTP/2 stream.  By default,
+   it does not nothing.  It must be subclassed to handle each event
+   callback method.
+
+   The first callback method invoked is :py:meth:`on_headers()`. It is
+   called when HEADERS frame, which includes request header fields, is
+   arrived.
+
+   If request has request body, :py:meth:`on_data()` is invoked for
+   each chunk of received data chunk.
+
+   When whole request is received, :py:meth:`on_request_done()` is
+   invoked.
+
+   When stream is closed, :py:meth:`on_close()` is called.
+
+   The application can send response using :py:meth:`send_response()`
+   method.  It can be used in :py:meth:`on_headers()`,
+   :py:meth:`on_data()` or :py:meth:`on_request_done()`.
+
+   The application can push resource using :py:meth:`push()` method.
+   It must be used before :py:meth:`send_response()` call.
+
+   A :py:class:`BaseRequestHandler` has the following instance
+   variables:
+
+   .. py:attribute:: client_address
+
+      Contains a tuple of the form ``(host, port)`` referring to the
+      client's address.
+
+   .. py:attribute:: stream_id
+
+      Stream ID of this stream
+
+   .. py:attribute:: scheme
+
+      Scheme of the request URI.  This is a value of ``:scheme``
+      header field.
+
+   .. py:attribute:: method
+
+      Method of this stream.  This is a value of ``:method`` header
+      field.
+
+   .. py:attribute:: host
+
+      This is a value of ``:authority`` or ``host`` header field.
+
+   .. py:attribute:: path
+
+      This is a value of ``:path`` header field.
+
+   .. py:attribute:: headers
+
+      Request header fields.
+
+   A :py:class:`BaseRequestHandler` has the following methods:
+
+   .. py:method:: on_headers()
+
+      Called when request HEADERS is arrived.  By default, this method
+      does nothing.
+
+   .. py:method:: on_data(data)
+
+      Called when a chunk of request body *data* is arrived.  This
+      method will be called multiple times until all data are
+      received.  By default, this method does nothing.
+
+   .. py:method:: on_request_done()
+
+      Called when whole request was received.  By default, this method
+      does nothing.
+
+   .. py:method:: on_close(error_code)
+
+      Called when stream is about to close.  The *error_code*
+      indicates the reason of closure.  If it is ``0``, the stream is
+      going to close without error.
+
+   .. py:method:: send_response(status=200, headers=None, body=None)
+
+      Send response.  The *status* is HTTP status code.  The *headers*
+      is additional response headers.  The *:status* header field will
+      be appended by the library.  The *body* is the response body.
+      It could be ``None`` if response body is empty.  Or it must be
+      instance of either ``str``, ``bytes``, :py:class:`io.IOBase` or
+      callable, called body generator, which takes one parameter,
+      size.  The body generator generates response body.  It can pause
+      generation of response so that it can wait for slow backend data
+      generation.  When invoked, it should return tuple, byte string
+      at most size length and flag.  The flag is either
+      :py:data:`DATA_OK`, :py:data:`DATA_EOF` or
+      :py:data:`DATA_DEFERRED`.  For non-empty byte string and it is
+      not the last chunk of response, :py:data:`DATA_OK` must be
+      returned as flag.  If this is the last chunk of the response
+      (byte string could be ``None``), :py:data:`DATA_EOF` must be
+      returned as flag.  If there is no data available right now, but
+      additional data are anticipated, return tuple (``None``,
+      :py:data:`DATA_DEFERRED`).  When data arrived, call
+      :py:meth:`resume()` and restart response body transmission.
+
+      Only the body generator can pause response body generation;
+      instance of :py:class:`io.IOBase` must not block.
+
+      If instance of ``str`` is specified as *body*, it will be
+      encoded using UTF-8.
+
+      The *headers* is a list of tuple of the form ``(name,
+      value)``. The ``name`` and ``value`` can be either byte string
+      or unicode string.  In the latter case, they will be encoded
+      using UTF-8.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: push(path, method='GET', request_headers=None, status=200, headers=None, body=None)
+
+      Push a specified resource.  The *path* is a path portion of
+      request URI for this resource.  The *method* is a method to
+      access this resource.  The *request_headers* is additional
+      request headers to access this resource.  The ``:scheme``,
+      ``:method``, ``:authority`` and ``:path`` are appended by the
+      library.  The ``:scheme`` and ``:authority`` are inherited from
+      request header fields of the associated stream.
+
+      The *status* is HTTP status code.  The *headers* is additional
+      response headers.  The ``:status`` header field is appended by
+      the library.  The *body* is the response body.  It has the same
+      semantics of *body* parameter of :py:meth:`send_response()`.
+
+      The headers and request_headers are a list of tuple of the form
+      ``(name, value)``. The ``name`` and ``value`` can be either byte
+      string or unicode string.  In the latter case, they will be
+      encoded using UTF-8.
+
+      Returns an instance of ``RequestHandlerClass`` specified in
+      :py:class:`HTTP2Server` constructor for the pushed resource.
+
+      Raises the exception if any error occurs.
+
+   .. py:method:: resume()
+
+      Signals the restarting of response body transmission paused by
+      ``DATA_DEFERRED`` from the body generator (see
+      :py:meth:`send_response()` about the body generator).  It is not
+      an error calling this method while response body transmission is
+      not paused.
+
+.. py:data:: DATA_OK
+
+   ``DATA_OK`` indicates non empty data is generated from body generator.
+
+.. py:data:: DATA_EOF
+
+   ``DATA_EOF`` indicates the end of response body.
+
+.. py:data:: DATA_DEFERRED
+
+   ``DATA_DEFERRED`` indicates that data are not available right now
+   and response should be paused.
+
+The following example illustrates :py:class:`HTTP2Server` and
+:py:class:`BaseRequestHandler` usage:
+
+.. code-block:: python
+
+    #!/usr/bin/env python
+
+    import io, ssl
+
+    import nghttp2
+
+    class Handler(nghttp2.BaseRequestHandler):
+
+        def on_headers(self):
+            self.push(path='/css/style.css',
+                      request_headers = [('content-type', 'text/css')],
+                      status=200,
+                      body='body{margin:0;}')
+
+            self.send_response(status=200,
+                               headers = [('content-type', 'text/plain')],
+                               body=io.BytesIO(b'nghttp2-python FTW'))
+
+    ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+    ctx.options = ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3
+    ctx.load_cert_chain('server.crt', 'server.key')
+
+    # give None to ssl to make the server non-SSL/TLS
+    server = nghttp2.HTTP2Server(('127.0.0.1', 8443), Handler, ssl=ctx)
+    server.serve_forever()
+
+The following example illustrates HTTP/2 server using asynchronous
+response body generation.  This is simplified reverse proxy:
+
+.. code-block:: python
+
+    #!/usr/bin/env python
+
+    import ssl
+    import os
+    import urllib
+    import asyncio
+    import io
+
+    import nghttp2
+
+    @asyncio.coroutine
+    def get_http_header(handler, url):
+        url = urllib.parse.urlsplit(url)
+        ssl = url.scheme == 'https'
+        if url.port == None:
+            if url.scheme == 'https':
+                port = 443
+            else:
+                port = 80
+        else:
+            port = url.port
+
+        connect = asyncio.open_connection(url.hostname, port, ssl=ssl)
+        reader, writer = yield from connect
+        req = 'GET {path} HTTP/1.0\r\n\r\n'.format(path=url.path or '/')
+        writer.write(req.encode('utf-8'))
+        # skip response header fields
+        while True:
+            line = yield from reader.readline()
+            line = line.rstrip()
+            if not line:
+                break
+        # read body
+        while True:
+            b = yield from reader.read(4096)
+            if not b:
+                break
+            handler.buf.write(b)
+        writer.close()
+        handler.buf.seek(0)
+        handler.eof = True
+        handler.resume()
+
+    class Body:
+        def __init__(self, handler):
+            self.handler = handler
+            self.handler.eof = False
+            self.handler.buf = io.BytesIO()
+
+        def generate(self, n):
+            buf = self.handler.buf
+            data = buf.read1(n)
+            if not data and not self.handler.eof:
+                return None, nghttp2.DATA_DEFERRED
+            return data, nghttp2.DATA_EOF if self.handler.eof else nghttp2.DATA_OK
+
+    class Handler(nghttp2.BaseRequestHandler):
+
+        def on_headers(self):
+            body = Body(self)
+            asyncio.async(get_http_header(
+                self, 'http://localhost' + self.path.decode('utf-8')))
+            self.send_response(status=200, body=body.generate)
+
+    ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+    ctx.options = ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3
+    ctx.load_cert_chain('server.crt', 'server.key')
+
+    server = nghttp2.HTTP2Server(('127.0.0.1', 8443), Handler, ssl=ctx)
+    server.serve_forever()

doc/sources/security.rst

@@ -1,33 +0,0 @@
-Security Process
-================
-
-If you find a vulnerability in our software, please send the email to
-"tatsuhiro.t at gmail dot com" about its details instead of submitting
-issues on github issue page.  It is a standard practice not to
-disclose vulnerability information publicly until a fixed version is
-released, or mitigation is worked out.  In the future, we may setup a
-dedicated mail address for this purpose.
-
-If we identify that the reported issue is really a vulnerability, we
-open a new security advisory draft using `GitHub security feature
-<https://github.com/nghttp2/nghttp2/security>`_ and discuss the
-mitigation and bug fixes there.  The fixes are committed to the
-private repository.
-
-We write the security advisory and get CVE number from GitHub
-privately.  We also discuss the disclosure date to the public.
-
-We make a new release with the fix at the same time when the
-vulnerability is disclosed to public.
-
-At least 7 days before the public disclosure date, we open a new issue
-on `nghttp2 issue tracker
-<https://github.com/nghttp2/nghttp2/issues>`_ which notifies that the
-upcoming release will have a security fix.  The ``SECURITY`` label is
-attached to this kind of issue.  The issue is not opened if a
-vulnerability is already disclosed, and it is publicly known that
-nghttp2 is affected by that.
-
-Before few hours of new release, we merge the fixes to the master
-branch (and/or a release branch if necessary) and make a new release.
-Security advisory is disclosed on GitHub.

doc/sources/tutorial-client.rst

@@ -422,7 +422,7 @@ the ``on_header_callback()`` is called for each name/value pair::
       return 0;
     }
 
-In this tutorial, we just print the name/value pairs on stderr.
+In this tutorial, we just print the name/value pairs on stdout.
 
 After the HEADERS frame has been fully received (and thus all response
 header name/value pairs have been received), the

docker/Dockerfile

@@ -1,78 +0,0 @@
-FROM debian:12 as build
-
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        git clang make binutils autoconf automake autotools-dev libtool \
-        pkg-config \
-        zlib1g-dev libev-dev libjemalloc-dev ruby-dev libc-ares-dev bison \
-        libelf-dev
-
-RUN git clone --depth 1 -b OpenSSL_1_1_1w+quic https://github.com/quictls/openssl && \
-    cd openssl && \
-    ./config --openssldir=/etc/ssl && \
-    make -j$(nproc) && \
-    make install_sw && \
-    cd .. && \
-    rm -rf openssl
-
-RUN git clone --depth 1 -b v1.0.0 https://github.com/ngtcp2/nghttp3 && \
-    cd nghttp3 && \
-    autoreconf -i && \
-    ./configure --enable-lib-only && \
-    make -j$(nproc) && \
-    make install-strip && \
-    cd .. && \
-    rm -rf nghttp3
-
-RUN git clone --depth 1 -b v1.0.1 https://github.com/ngtcp2/ngtcp2 && \
-    cd ngtcp2 && \
-    autoreconf -i && \
-    ./configure --enable-lib-only \
-        LIBTOOL_LDFLAGS="-static-libtool-libs" \
-        OPENSSL_LIBS="-l:libssl.a -l:libcrypto.a -ldl -lpthread" \
-        PKG_CONFIG_PATH="/usr/local/lib64/pkgconfig" && \
-    make -j$(nproc) && \
-    make install-strip && \
-    cd .. && \
-    rm -rf ngtcp2
-
-RUN git clone --depth 1 -b v1.2.2 https://github.com/libbpf/libbpf && \
-    cd libbpf && \
-    PREFIX=/usr/local make -C src install && \
-    cd .. && \
-    rm -rf libbpf
-
-RUN git clone --depth 1 https://github.com/nghttp2/nghttp2.git && \
-    cd nghttp2 && \
-    git submodule update --init && \
-    autoreconf -i && \
-    ./configure --disable-examples --disable-hpack-tools \
-        --with-mruby --with-neverbleed \
-        --enable-http3 --with-libbpf \
-        CC=clang CXX=clang++ \
-        LIBTOOL_LDFLAGS="-static-libtool-libs" \
-        OPENSSL_LIBS="-l:libssl.a -l:libcrypto.a -ldl -pthread" \
-        LIBEV_LIBS="-l:libev.a" \
-        JEMALLOC_LIBS="-l:libjemalloc.a" \
-        LIBCARES_LIBS="-l:libcares.a" \
-        ZLIB_LIBS="-l:libz.a" \
-        LIBBPF_LIBS="-L/usr/local/lib64 -l:libbpf.a -l:libelf.a" \
-        LDFLAGS="-static-libgcc -static-libstdc++" \
-        PKG_CONFIG_PATH="/usr/local/lib64/pkgconfig" && \
-    make -j$(nproc) install-strip && \
-    cd .. && \
-    rm -rf nghttp2
-
-FROM gcr.io/distroless/base-debian12
-
-COPY --from=build \
-    /usr/local/share/nghttp2/ \
-    /usr/local/share/nghttp2/
-COPY --from=build \
-    /usr/local/bin/h2load \
-    /usr/local/bin/nghttpx \
-    /usr/local/bin/nghttp \
-    /usr/local/bin/nghttpd \
-    /usr/local/bin/
-COPY --from=build /usr/local/lib/nghttp2/reuseport_kern.o \
-    /usr/local/lib/nghttp2/

docker/README.rst

@@ -1,25 +0,0 @@
-Dockerfile
-==========
-
-Dockerfile creates the applications bundled with nghttp2.
-These applications are:
-
-- nghttp
-- nghttpd
-- nghttpx
-- h2load
-
-HTTP/3 and eBPF features are enabled.
-
-In order to run nghttpx with HTTP/3 endpoint, you need to run the
-image with the escalated privilege.  Here is the example command-line
-to run nghttpx to listen to HTTP/3 on port 443, assuming that the
-current directory contains a private key and a certificate in
-server.key and server.crt respectively:
-
-.. code-block:: text
-
-   $ docker run --rm -it -v /path/to/certs:/shared --net=host --privileged \
-         nghttp2 nghttpx \
-         /shared/server.key /shared/server.crt \
-         -f'*,443;quic'

examples/.gitignore

@@ -3,3 +3,7 @@ libevent-client
 libevent-server
 deflate
 tiny-nghttpd
+asio-sv
+asio-sv2
+asio-cl
+asio-cl2

examples/CMakeLists.txt

@@ -34,4 +34,24 @@ if(ENABLE_EXAMPLES)
   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()

examples/Makefile.am

@@ -30,11 +30,11 @@ 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@
-AM_LDFLAGS = @LIBTOOL_LDFLAGS@
 LDADD = $(top_builddir)/lib/libnghttp2.la \
 	$(top_builddir)/third-party/liburl-parser.la \
 	@LIBEVENT_OPENSSL_LIBS@ \
@@ -51,4 +51,40 @@ 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