Merge pull request #2563 from nghttp2/gha-cancel-stale-job

GHA: Cancel stale job

.clang-format

@@ -1,57 +1,277 @@
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+AlignOperands:   Align
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 AllowAllParametersOfDeclarationOnNextLine: true
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 AlwaysBreakBeforeMultilineStrings: false
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+  - __capability
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 BinPackParameters: true
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+DisableFormat:   false
+EmptyLineAfterAccessModifier: Never
+EmptyLineBeforeAccessModifier: LogicalBlock
 ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
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+  - Q_FOREACH
+  - BOOST_FOREACH
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+PPIndentWidth:   -1
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+ReflowComments:  true
+RemoveBracesLLVM: false
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+RequiresClausePosition: OwnLine
+RequiresExpressionIndentation: OuterScope
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+SpaceBeforeParens: ControlStatements
+SpaceBeforeParensOptions:
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+  AfterForeachMacros: true
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+SpaceBeforeSquareBrackets: false
+SpaceInEmptyBlock: false
 SpacesBeforeTrailingComments: 1
-Cpp11BracedListStyle: true
+SpacesInAngles:  Never
-Standard:        Cpp11
+SpacesInContainerLiterals: true
-IndentWidth:     2
+SpacesInLineCommentPrefix:
+  Minimum:         1
+  Maximum:         -1
+SpacesInParens:  Never
+SpacesInParensOptions:
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+  InCStyleCasts:   false
+  InConditionalStatements: false
+  InEmptyParentheses: false
+  Other:           false
+SpacesInSquareBrackets: false
+Standard:        Latest
+StatementAttributeLikeMacros:
+  - Q_EMIT
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+  - munit_void_test_decl
+  - nghttp2_max_def
+  - nghttp2_min_def
+TableGenBreakInsideDAGArg: DontBreak
 TabWidth:        8
 UseTab:          Never
-BreakBeforeBraces: Attach
+VerilogBreakBetweenInstancePorts: true
-SpacesInParentheses: false
+WhitespaceSensitiveMacros:
-SpacesInAngles:  false
+  - STRINGIZE
-SpaceInEmptyParentheses: false
+  - PP_STRINGIZE
-SpacesInCStyleCastParentheses: false
+  - BOOST_PP_STRINGIZE
-SpacesInContainerLiterals: true
+  - NS_SWIFT_NAME
-SpaceBeforeAssignmentOperators: true
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-CommentPragmas:  '^ IWYU pragma:'
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-SpaceBeforeParens: ControlStatements
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 ...
 

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "weekly"
+- package-ecosystem: "gomod"
+  directory: "/"
+  schedule:
+    interval: "weekly"

.github/workflows/android.yml

@@ -0,0 +1,24 @@
+name: android
+
+on:
+  push:
+    paths:
+    - Dockerfile.android
+    - .github/workflows/android.yml
+    branches:
+    - '**'
+
+permissions: read-all
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/checkout@v5
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Build
+      uses: docker/build-push-action@v6
+      with:
+        file: Dockerfile.android

.github/workflows/build.yml

@@ -0,0 +1,683 @@
+name: build
+
+on: [push, pull_request]
+
+permissions: read-all
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+env:
+  LIBBPF_VERSION: v1.6.2
+  OPENSSL1_VERSION: 1_1_1w+quic
+  OPENSSL3_VERSION: 3.6.0
+  BORINGSSL_VERSION: db1a8456167249f95b854a1cd24c6b553d0f1567
+  AWSLC_VERSION: v1.62.0
+  NGHTTP3_VERSION: v1.12.0
+  NGTCP2_VERSION: v1.17.0
+  WOLFSSL_VERSION: v5.8.2-stable
+
+jobs:
+  build-cache:
+    strategy:
+      matrix:
+        os: [ubuntu-24.04, macos-14, macos-15]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v5
+    - name: Restore libbpf cache
+      id: cache-libbpf
+      uses: actions/cache@v4
+      if: runner.os == 'Linux'
+      with:
+        path: libbpf/build
+        key: ${{ matrix.os }}-libbpf-${{ env.LIBBPF_VERSION }}
+    - name: Restore OpenSSL v1.1.1 cache
+      id: cache-openssl1
+      uses: actions/cache@v4
+      with:
+        path: openssl1/build
+        key: ${{ matrix.os }}-openssl-${{ env.OPENSSL1_VERSION }}
+    - name: Restore OpenSSL v3.x cache
+      id: cache-openssl3
+      uses: actions/cache@v4
+      with:
+        path: openssl3/build
+        key: ${{ matrix.os }}-openssl-${{ env.OPENSSL3_VERSION }}
+    - name: Restore BoringSSL cache
+      id: cache-boringssl
+      uses: actions/cache@v4
+      with:
+        path: |
+          boringssl/build/libcrypto.a
+          boringssl/build/libssl.a
+          boringssl/include
+        key: ${{ matrix.os }}-boringssl-${{ env.BORINGSSL_VERSION }}
+    - name: Restore aws-lc cache
+      id: cache-awslc
+      uses: actions/cache@v4
+      with:
+        path: |
+          aws-lc/build/crypto/libcrypto.a
+          aws-lc/build/ssl/libssl.a
+          aws-lc/include
+        key: ${{ matrix.os }}-awslc-${{ env.AWSLC_VERSION }}
+    - name: Restore wolfSSL cache
+      id: cache-wolfssl
+      uses: actions/cache@v4
+      with:
+        path: wolfssl/build
+        key: ${{ matrix.os }}-wolfssl-${{ env.WOLFSSL_VERSION }}
+    - name: Restore nghttp3 cache
+      id: cache-nghttp3
+      uses: actions/cache@v4
+      with:
+        path: nghttp3/build
+        key: ${{ matrix.os }}-nghttp3-${{ env.NGHTTP3_VERSION }}
+    - name: Restore ngtcp2 + quictls/openssl v1.1.1 cache
+      id: cache-ngtcp2-openssl1
+      uses: actions/cache@v4
+      with:
+        path: ngtcp2-openssl1/build
+        key: ${{ matrix.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL1_VERSION }}
+    - name: Restore ngtcp2 + quictls/openssl v3.x cache
+      id: cache-ngtcp2-openssl3
+      uses: actions/cache@v4
+      with:
+        path: ngtcp2-openssl3/build
+        key: ${{ matrix.os }}-ngtcp2-${{ 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-awslc.outputs.cache-hit != 'true' ||
+        steps.cache-wolfssl.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 update
+        sudo apt-get install \
+          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 \
+          libtool
+    - name: Build libbpf
+      if: steps.cache-libbpf.outputs.cache-hit != 'true' && runner.os == 'Linux'
+      run: |
+        git clone --recursive --shallow-submodules -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 --recursive --shallow-submodules --depth 1 -b OpenSSL_${{ env.OPENSSL1_VERSION }} https://github.com/quictls/openssl openssl1
+        cd openssl1
+        ./config --prefix=$PWD/build
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
+        make install_sw
+    - name: Build openssl/openssl v3.x
+      if: steps.cache-openssl3.outputs.cache-hit != 'true'
+      run: |
+        git clone --recursive --shallow-submodules --depth 1 -b openssl-${{ env.OPENSSL3_VERSION }} https://github.com/openssl/openssl openssl3
+        cd openssl3
+        ./config enable-ktls --prefix=$PWD/build
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
+        make install_sw
+    - name: Build BoringSSL
+      if: steps.cache-boringssl.outputs.cache-hit != 'true'
+      run: |
+        mkdir boringssl
+        cd boringssl
+        git init
+        git remote add origin https://boringssl.googlesource.com/boringssl
+        git fetch origin --depth 1 ${{ env.BORINGSSL_VERSION }}
+        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 aws-lc
+      if: steps.cache-awslc.outputs.cache-hit != 'true'
+      run: |
+        git clone --recursive --shallow-submodules --depth 1 -b "${AWSLC_VERSION}" https://github.com/aws/aws-lc
+        cd aws-lc
+        cmake -B build -DDISABLE_GO=ON
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" -C build
+    - name: Build wolfSSL
+      if: steps.cache-wolfssl.outputs.cache-hit != 'true'
+      run: |
+        git clone --depth 1 -b ${{ env.WOLFSSL_VERSION }} https://github.com/wolfSSL/wolfssl
+        cd wolfssl
+        autoreconf -i
+        ./configure --disable-dependency-tracking --prefix=$PWD/build \
+          --enable-all --enable-harden --disable-ech
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
+        make install
+    - name: Build nghttp3
+      if: steps.cache-nghttp3.outputs.cache-hit != 'true'
+      run: |
+        git clone --recursive --shallow-submodules --depth 1 -b ${{ env.NGHTTP3_VERSION}} https://github.com/ngtcp2/nghttp3
+        cd nghttp3
+        autoreconf -i
+        ./configure --disable-dependency-tracking --prefix=$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 + BoringSSL
+      if: steps.cache-ngtcp2-openssl1.outputs.cache-hit != 'true'
+      run: |
+        git clone --recursive --shallow-submodules --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:../wolfssl/build/lib/pkgconfig" \
+          BORINGSSL_CFLAGS="-I$PWD/../boringssl/include/" \
+          BORINGSSL_LIBS="-L$PWD/../boringssl/build -lssl -lcrypto" \
+          --disable-dependency-tracking \
+          --with-boringssl \
+          --with-wolfssl
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
+        make install
+    - name: Build ngtcp2 + quictls/openssl v3.x + aws-lc
+      if: steps.cache-ngtcp2-openssl3.outputs.cache-hit != 'true'
+      run: |
+        git clone --recursive --shallow-submodules --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/lib64/pkgconfig:../openssl3/build/lib/pkgconfig" \
+          BORINGSSL_CFLAGS="-I$PWD/../aws-lc/include/" \
+          BORINGSSL_LIBS="-L$PWD/../aws-lc/build/ssl -lssl -L$PWD/../aws-lc/build/crypto -lcrypto" \
+          --disable-dependency-tracking \
+          --with-boringssl
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
+        make install
+
+  build:
+    needs:
+    - build-cache
+
+    strategy:
+      matrix:
+        os: [ubuntu-24.04, macos-14, macos-15]
+        compiler: [gcc, clang]
+        buildtool: [autotools, cmake]
+        http3: [http3, no-http3]
+        openssl: [openssl1, openssl3, boringssl, awslc, wolfssl]
+        exclude:
+        - http3: no-http3
+          openssl: openssl3
+        - os: macos-14
+          compiler: gcc
+        - os: macos-15
+          compiler: gcc
+        - # disable macos cmake because of include path issue
+          os: macos-14
+          buildtool: cmake
+        - # disable macos cmake because of include path issue
+          os: macos-15
+          buildtool: cmake
+        - os: macos-14
+          openssl: boringssl
+        - os: macos-15
+          openssl: boringssl
+        - openssl: boringssl
+          buildtool: cmake
+        - openssl: boringssl
+          compiler: gcc
+        - os: macos-14
+          openssl: awslc
+        - os: macos-15
+          openssl: awslc
+        - openssl: awslc
+          buildtool: cmake
+        - openssl: awslc
+          compiler: gcc
+        include:
+        - os: ubuntu-24.04
+          compiler: clang
+          buildtool: distcheck
+          http3: http3
+          openssl: awslc
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v5
+      with:
+        submodules: recursive
+    - name: Linux setup
+      if: runner.os == 'Linux'
+      run: |
+        sudo apt-get update
+        sudo apt-get install \
+          g++-14 \
+          clang-19 \
+          autoconf \
+          automake \
+          autotools-dev \
+          libtool \
+          pkg-config \
+          zlib1g-dev \
+          libssl-dev \
+          libxml2-dev \
+          libev-dev \
+          libevent-dev \
+          libjansson-dev \
+          libjemalloc-dev \
+          libc-ares-dev \
+          libelf-dev \
+          libbrotli-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
+
+        # https://github.com/actions/runner-images/issues/9491#issuecomment-1989718917
+        # Asan in llvm 14 provided in ubuntu 22.04 is incompatible with
+        # high-entropy ASLR in much newer kernels that GitHub runners are
+        # using leading to random crashes: https://reviews.llvm.org/D148280
+        sudo sysctl vm.mmap_rnd_bits=28
+    - name: MacOS setup
+      if: runner.os == 'macOS'
+      run: |
+        brew install \
+          libev \
+          libressl \
+          autoconf \
+          automake \
+          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-19' >> $GITHUB_ENV
+        echo 'CXX=clang++-19' >> $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-14' >> $GITHUB_ENV
+        echo 'CXX=g++-14' >> $GITHUB_ENV
+        # g++-12 is known to produce false positive warnings.
+        echo 'CXXFLAGS=-Wno-restrict' >> $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@v4
+      if: matrix.http3 == 'http3' && matrix.compiler == 'clang' && runner.os == 'Linux'
+      with:
+        path: libbpf/build
+        key: ${{ matrix.os }}-libbpf-${{ 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="$EXTRA_AUTOTOOLS_OPTS --with-libbpf"
+        EXTRA_CMAKE_OPTS="$EXTRA_CMAKE_OPTS -DWITH_LIBBPF=1"
+
+        echo 'EXTRA_AUTOTOOLS_OPTS='"$EXTRA_AUTOTOOLS_OPTS" >> $GITHUB_ENV
+        echo 'EXTRA_CMAKE_OPTS='"$EXTRA_CMAKE_OPTS" >> $GITHUB_ENV
+    - name: Setup libev variables
+      if: runner.os == 'macOS'
+      run: |
+        LIBEV_CFLAGS="-I/opt/homebrew/Cellar/libev/4.33/include"
+        LIBEV_LIBS="-L/opt/homebrew/Cellar/libev/4.33/lib -lev"
+
+        echo 'LIBEV_CFLAGS='"$LIBEV_CFLAGS" >> $GITHUB_ENV
+        echo 'LIBEV_LIBS='"$LIBEV_LIBS" >> $GITHUB_ENV
+    - name: Restore quictls/openssl v1.1.1 cache
+      uses: actions/cache/restore@v4
+      if: matrix.openssl == 'openssl1'
+      with:
+        path: openssl1/build
+        key: ${{ matrix.os }}-openssl-${{ env.OPENSSL1_VERSION }}
+        fail-on-cache-miss: true
+    - name: Restore openssl/openssl v3.x cache
+      uses: actions/cache/restore@v4
+      if: matrix.openssl == 'openssl3'
+      with:
+        path: openssl3/build
+        key: ${{ matrix.os }}-openssl-${{ env.OPENSSL3_VERSION }}
+        fail-on-cache-miss: true
+    - name: Restore BoringSSL cache
+      uses: actions/cache/restore@v4
+      if: matrix.openssl == 'boringssl'
+      with:
+        path: |
+          boringssl/build/libcrypto.a
+          boringssl/build/libssl.a
+          boringssl/include
+        key: ${{ matrix.os }}-boringssl-${{ env.BORINGSSL_VERSION }}
+        fail-on-cache-miss: true
+    - name: Restore aws-lc cache
+      uses: actions/cache/restore@v4
+      if: matrix.openssl == 'awslc'
+      with:
+        path: |
+          aws-lc/build/crypto/libcrypto.a
+          aws-lc/build/ssl/libssl.a
+          aws-lc/include
+        key: ${{ matrix.os }}-awslc-${{ env.AWSLC_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 -lssl -lcrypto -pthread"
+        EXTRA_AUTOTOOLS_OPTS="$EXTRA_AUTOTOOLS_OPTS --without-neverbleed --without-jemalloc --disable-examples"
+
+        echo 'OPENSSL_CFLAGS='"$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" >> $GITHUB_ENV
+    - name: Set aws-lc variables
+      if: matrix.openssl == 'awslc'
+      run: |
+        cd aws-lc
+
+        OPENSSL_CFLAGS="-I$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 wolfSSL cache
+      uses: actions/cache/restore@v4
+      if: matrix.openssl == 'wolfssl'
+      with:
+        path: wolfssl/build
+        key: ${{ matrix.os }}-wolfssl-${{ env.WOLFSSL_VERSION }}
+        fail-on-cache-miss: true
+    - name: Set wolfSSL variables
+      if: matrix.openssl == 'wolfssl'
+      run: |
+        EXTRA_AUTOTOOLS_OPTS="$EXTRA_AUTOTOOLS_OPTS --with-wolfssl --without-neverbleed"
+        EXTRA_CMAKE_OPTS="$EXTRA_CMAKE_OPTS -DWITH_WOLFSSL=1 -DWITH_NEVERBLEED=0 -DENABLE_EXAMPLES=0"
+
+        echo 'EXTRA_AUTOTOOLS_OPTS='"$EXTRA_AUTOTOOLS_OPTS" >> $GITHUB_ENV
+        echo 'EXTRA_CMAKE_OPTS='"$EXTRA_CMAKE_OPTS" >> $GITHUB_ENV
+    - name: Restore nghttp3 cache
+      uses: actions/cache/restore@v4
+      if: matrix.http3 == 'http3'
+      with:
+        path: nghttp3/build
+        key: ${{ matrix.os }}-nghttp3-${{ env.NGHTTP3_VERSION }}
+        fail-on-cache-miss: true
+    - name: Restore ngtcp2 + quictls/openssl v1.1.1 cache + BoringSSL
+      uses: actions/cache/restore@v4
+      if: matrix.http3 == 'http3' && (matrix.openssl == 'openssl1' || matrix.openssl == 'boringssl' || matrix.openssl == 'wolfssl')
+      with:
+        path: ngtcp2-openssl1/build
+        key: ${{ matrix.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL1_VERSION }}
+        fail-on-cache-miss: true
+    - name: Restore ngtcp2 + quictls/openssl v3.x cache + aws-lc
+      uses: actions/cache/restore@v4
+      if: matrix.http3 == 'http3' && (matrix.openssl == 'openssl3' || matrix.openssl == 'awslc')
+      with:
+        path: ngtcp2-openssl3/build
+        key: ${{ matrix.os }}-ngtcp2-${{ env.NGTCP2_VERSION }}-openssl-${{ env.OPENSSL3_VERSION }}
+        fail-on-cache-miss: true
+    - name: Setup extra environment variables
+      if: matrix.http3 == 'no-http3'
+      run: |
+        PKG_CONFIG_PATH="$PWD/openssl1/build/lib/pkgconfig:$PWD/openssl3/build/lib64/pkgconfig:$PWD/openssl3/build/lib/pkgconfig:$PWD/wolfssl/build/lib/pkgconfig:$PKG_CONFIG_PATH"
+        LDFLAGS="$LDFLAGS -Wl,-rpath,$PWD/openssl1/build/lib -Wl,-rpath,$PWD/openssl3/build/lib64 -Wl,-rpath,$PWD/openssl3/build/lib"
+
+        echo 'PKG_CONFIG_PATH='"$PKG_CONFIG_PATH" >> $GITHUB_ENV
+        echo 'LDFLAGS='"$LDFLAGS" >> $GITHUB_ENV
+    - name: Setup extra environment variables for HTTP/3
+      if: matrix.http3 == 'http3'
+      run: |
+        PKG_CONFIG_PATH="$PWD/openssl1/build/lib/pkgconfig:$PWD/openssl3/build/lib64/pkgconfig:$PWD/openssl3/build/lib/pkgconfig:$PWD/wolfssl/build/lib/pkgconfig:$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,$PWD/openssl3/build/lib64 -Wl,-rpath,$PWD/openssl3/build/lib -Wl,-rpath,$PWD/libbpf/build/lib64"
+        EXTRA_AUTOTOOLS_OPTS="$EXTRA_AUTOTOOLS_OPTS --enable-http3"
+        EXTRA_CMAKE_OPTS="$EXTRA_CMAKE_OPTS -DENABLE_HTTP3=1"
+
+        echo 'PKG_CONFIG_PATH='"$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" >> $GITHUB_ENV
+    - name: Configure autotools
+      run: |
+        autoreconf -i
+        ./configure --disable-dependency-tracking
+    - name: Make distribution and unpack
+      if: matrix.buildtool != 'distcheck'
+      run: |
+        make dist
+        VERSION=$(grep PACKAGE_VERSION config.h | cut -d' ' -f3 | tr -d '"')
+        tar xf nghttp2-$VERSION.tar.gz
+        cd nghttp2-$VERSION
+        echo 'NGHTTP2_BUILD_DIR='"$PWD" >> $GITHUB_ENV
+    - name: Configure cmake (Linux)
+      if: matrix.buildtool == 'cmake' && runner.os == 'Linux'
+      run: |
+        cd $NGHTTP2_BUILD_DIR
+
+        cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DWITH_NEVERBLEED=1 -DENABLE_APP=1 $EXTRA_CMAKE_OPTS -DCPPFLAGS="$CPPFLAGS" -DLDFLAGS="$LDFLAGS" -DBUILD_STATIC_LIBS=ON -DBUILD_TESTING=ON .
+    - name: Configure cmake (MacOS)
+      if: matrix.buildtool == 'cmake' && runner.os == 'macOS'
+      run: |
+        # This fixes infamous 'stdio.h not found' error.
+        echo 'SDKROOT='"$(xcrun --sdk macosx --show-sdk-path)" >> $GITHUB_ENV
+
+        cd $NGHTTP2_BUILD_DIR
+
+        cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DENABLE_APP=1 $EXTRA_CMAKE_OPTS -DCPPFLAGS="$CPPFLAGS" -DLDFLAGS="$LDFLAGS" -DBUILD_STATIC_LIBS=ON -DBUILD_TESTING=ON .
+    - name: Build nghttp2 with autotools (Linux)
+      if: matrix.buildtool == 'autotools' && runner.os == 'Linux'
+      run: |
+        cd $NGHTTP2_BUILD_DIR
+
+        ./configure --disable-dependency-tracking --with-mruby --with-neverbleed --with-libev --with-libbrotlienc --with-libbrotlidec --enable-werror $EXTRA_AUTOTOOLS_OPTS
+        make -j"$(nproc)" check
+    - name: Build nghttp2 with autotools (MacOS)
+      if: matrix.buildtool == 'autotools' && runner.os == 'macOS'
+      run: |
+        cd $NGHTTP2_BUILD_DIR
+
+        ./configure --disable-dependency-tracking --with-mruby --with-libev --with-libbrotlienc --with-libbrotlidec --enable-werror $EXTRA_AUTOTOOLS_OPTS
+        make -j"$(sysctl -n hw.ncpu)" check
+    - name: Build nghttp2 with autotools (distcheck)
+      if: matrix.buildtool == 'distcheck'
+      run: |
+        make -j"$(nproc)" distcheck \
+          DISTCHECK_CONFIGURE_FLAGS="--with-mruby --with-neverbleed --with-libev --with-libbrotlienc --with-libbrotlidec --enable-werror $EXTRA_AUTOTOOLS_OPTS CPPFLAGS=\"$CPPFLAGS\" LDFLAGS=\"$LDFLAGS\""
+    - name: Build nghttp2 with cmake
+      if: matrix.buildtool == 'cmake'
+      run: |
+        cd $NGHTTP2_BUILD_DIR
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
+        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)" check
+    - uses: actions/setup-go@v6
+      if: matrix.buildtool != 'distcheck'
+      with:
+        go-version: "1.24"
+    - name: Integration test
+      # Integration tests for nghttpx; autotools erases build
+      # artifacts.
+      if: matrix.buildtool != 'distcheck'
+      run: |
+        sudo sh -c 'echo "127.0.0.1 127.0.0.1.nip.io" >> /etc/hosts'
+        cd $NGHTTP2_BUILD_DIR/integration-tests
+        make it
+
+  build-cross:
+    strategy:
+      matrix:
+        host: [x86_64-w64-mingw32, i686-w64-mingw32]
+
+    runs-on: ubuntu-24.04
+
+    env:
+      HOST: ${{ matrix.host }}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v5
+      with:
+        submodules: recursive
+    - name: Prepare for i386
+      if: matrix.host == 'i686-w64-mingw32'
+      run: |
+        sudo dpkg --add-architecture i386
+    - name: Linux setup
+      run: |
+        sudo apt-get update
+        sudo apt-get install \
+          gcc-mingw-w64 \
+          autoconf \
+          automake \
+          autotools-dev \
+          libtool \
+          pkg-config \
+          wine
+    - name: Configure autotools
+      run: |
+        autoreconf -i && \
+        ./configure --disable-dependency-tracking --enable-werror \
+          --enable-lib-only  --host="$HOST" \
+          CFLAGS="-g -O2 -D_WIN32_WINNT=0x0600" LIBS="-pthread"
+    - name: Build nghttp2
+      run: |
+        make -j$(nproc)
+        make -j$(nproc) check TESTS=""
+    - name: Run tests
+      run: |
+        export WINEPATH="/usr/${{ matrix.host }}/lib;$(winepath -w /usr/lib/x86_64-linux-gnu/wine/x86_64-windows)"
+        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:
+    - name: Checkout
+      uses: actions/checkout@v5
+      with:
+        submodules: recursive
+    - uses: microsoft/setup-msbuild@v2
+    - name: Configure cmake
+      run: cmake -B build -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake -DCMAKE_GENERATOR_PLATFORM=${{ matrix.platform }} -DVCPKG_TARGET_TRIPLET=${{ matrix.arch}}-windows -DBUILD_STATIC_LIBS=ON -DBUILD_TESTING=ON
+    - name: Build nghttp2
+      run: |
+        cmake --build build
+        cmake --build build --target check
+
+  release:
+    if: github.ref_type == 'tag'
+
+    needs:
+    - build
+    - build-cross
+    - build-windows
+
+    permissions:
+      contents: write
+
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/checkout@v5
+      with:
+        fetch-depth: 0
+        submodules: recursive
+    - name: Make artifacts
+      run: |
+        ver='${{ github.ref_name }}'
+
+        prev_ver=$(git tag --sort v:refname | grep -v -F "${ver}" | \
+                   grep 'v[0-9]\+\.[0-9]\+\.0' | tail -n1)
+
+        echo -n "$GPG_KEY" | gpg --batch --pinentry-mode loopback --import
+        ./makerelease.sh "${ver}" "${prev_ver}"
+      env:
+        GPG_KEY: ${{ secrets.GPG_KEY }}
+        GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+    - name: Make release
+      uses: actions/github-script@v8
+      with:
+        script: |
+          const fs = require('fs')
+
+          let ver = '${{ github.ref_name }}'
+
+          let {data: release} = await github.rest.repos.createRelease({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            tag_name: ver,
+            name: `nghttp2 ${ver}`,
+            draft: true,
+            generate_release_notes: true,
+            discussion_category_name: 'Announcements',
+          })
+
+          let v = ver.substring(1)
+
+          let files = [
+            'checksums.txt',
+            `nghttp2-${v}.tar.bz2`,
+            `nghttp2-${v}.tar.bz2.asc`,
+            `nghttp2-${v}.tar.gz`,
+            `nghttp2-${v}.tar.gz.asc`,
+            `nghttp2-${v}.tar.xz`,
+            `nghttp2-${v}.tar.xz.asc`,
+          ]
+
+          await Promise.all(files.map(elem =>
+            github.rest.repos.uploadReleaseAsset({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              release_id: release.id,
+              name: elem,
+              data: fs.readFileSync(elem),
+            })
+          ))

.github/workflows/docker.yaml

@@ -0,0 +1,24 @@
+name: docker-build
+
+on:
+  push:
+    paths:
+    - docker/Dockerfile
+    branches:
+    - '**'
+
+permissions: read-all
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/checkout@v5
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Build
+      uses: docker/build-push-action@v6
+      with:
+        context: docker
+        build-args: NGHTTP2_BRANCH=${{ github.ref_name }}

.github/workflows/fuzz.yml

@@ -0,0 +1,31 @@
+name: CIFuzz
+on: [pull_request]
+permissions: read-all
+jobs:
+  Fuzzing:
+    runs-on: ubuntu-latest
+    steps:
+    - name: LLVM workaround
+      run: |
+        # https://github.com/actions/runner-images/issues/9491#issuecomment-1989718917
+        # Asan in llvm 14 provided in ubuntu 22.04 is incompatible with
+        # high-entropy ASLR in much newer kernels that GitHub runners are
+        # using leading to random crashes: https://reviews.llvm.org/D148280
+        sudo sysctl vm.mmap_rnd_bits=28
+    - 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@v5
+      if: failure()
+      with:
+        name: artifacts
+        path: ./out/artifacts

.github/workflows/stale.yaml

@@ -0,0 +1,22 @@
+name: 'Close stale issues'
+
+on:
+  schedule:
+  - cron: '30 1 * * *'
+
+permissions:
+  issues: write
+  actions: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/stale@v10
+      with:
+        stale-issue-message: 'This issue is stale because it has been open 30 days with no activity.  Remove stale label or comment or this will be closed in 7 days.'
+        days-before-stale: 30
+        days-before-close: 7
+        days-before-pr-stale: -1
+        exempt-all-milestones: true

.gitignore

@@ -6,6 +6,7 @@
 *.lo
 *.m4
 *.o
+*.pyc
 .deps/
 .libs/
 INSTALL
@@ -28,6 +29,36 @@ missing
 stamp-h1
 test-driver
 
+# cmake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+install_manifest.txt
+CTestTestfile.cmake
+build.ninja
+rules.ninja
+.ninja_deps
+.ninja_log
+lib*.so
+lib*.so.*
+lib*.a
+
+# generated by "make test" with cmake
+Testing/
+
 # test logs generated by `make check`
 *.log
 *.trs
+
+lib/MSVC_obj/
+_VC_ROOT/
+.depend.MSVC
+*.pyd
+*.egg-info/
+
+# Build Directories
+build/
+
+# IDEs
+cmake-*
+.idea/

.gitmodules

@@ -0,0 +1,13 @@
+[submodule "third-party/mruby"]
+	path = third-party/mruby
+	url = https://github.com/mruby/mruby
+[submodule "third-party/neverbleed"]
+	path = third-party/neverbleed
+	url = https://github.com/tatsuhiro-t/neverbleed.git
+	branch = nghttp2
+[submodule "tests/munit"]
+	path = tests/munit
+	url = https://github.com/ngtcp2/munit
+[submodule "third-party/urlparse"]
+	path = third-party/urlparse
+	url = https://github.com/ngtcp2/urlparse

.travis.yml

@@ -1,37 +0,0 @@
-language: cpp
-compiler:
-  - clang
-  - gcc
-sudo: false
-addons:
-  apt:
-    sources:
-    - ubuntu-toolchain-r-test
-    packages:
-    - g++-4.9
-    - libstdc++-4.9-dev
-    - autoconf
-    - automake
-    - autotools-dev
-    - libtool
-    - pkg-config
-    - zlib1g-dev
-    - libcunit1-dev
-    - libssl-dev
-    - libxml2-dev
-    - libev-dev
-    - libevent-dev
-    - libjansson-dev
-    - libjemalloc-dev
-before_install:
-  - $CC --version
-  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
-  - $CC --version
-before_script:
-  - autoreconf -i
-  - automake
-  - autoconf
-  - ./configure --enable-werror
-script:
-  - make
-  - make check

AUTHORS

@@ -1 +1,175 @@
-Tatsuhiro Tsujikawa <t-tujikawa at users dot sourceforge dot net>
+nghttp2 project was started as a fork of spdylay project [1].  Both
+projects were started by Tatsuhiro Tsujikawa, who is still the main
+author of these projects.  Meanwhile, we have many contributions, and
+we are not here without them.  We sincerely thank you to all who made
+a contribution.  Here is the all individuals/organizations who
+contributed to nghttp2 and spdylay project at which we forked.  These
+names are retrieved from git commit log.  If you have made a
+contribution, but you are missing in the list, please let us know via
+github issues [2].
+
+[1] https://github.com/tatsuhiro-t/spdylay
+[2] https://github.com/nghttp2/nghttp2/issues
+
+--------
+
+187j3x1
+Adam Gołębiowski
+Alek Storm
+Alex Nalivko
+Alexandr Vlasov
+Alexandros Konstantinakis-Karmis
+Alexis La Goutte
+Alyssa Ross
+Amir Livneh
+Amir Pakdel
+Anders Bakken
+Andreas Pohl
+Andrew Penkrat
+Andy Davies
+Angus Gratton
+Anna Henningsen
+Ant Bryan
+Anthony Alayo
+Asra Ali
+Benedikt Christoph Wolters
+Benjamin Peterson
+Bernard Spil
+Bernhard Walle
+Brendan Heinonen
+Brian Card
+Brian Suh
+Daniel Bevenius
+Daniel Evers
+Daniel Stenberg
+Dave Reisner
+David Beitey
+David Korczynski
+David Weekly
+Deel
+Deep Chordia
+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
+Jay Satiro
+Jeff 'Raid' Baitis
+Jianqing Wang
+Jim Morrison
+Jiwoo Park
+Jonas Kvinge
+Josh Braegger
+José F. Calcerrada
+Kamil Dudka
+Karthik Dasari
+Kazuho Oku
+Kenny (kang-yen) Peng
+Kenny Peng
+Kit Chan
+Kyle Schomp
+LazyHamster
+Leo Neat
+Lorenz Nickel
+Lucas Pardue
+Lukas Märdian
+MATSUMOTO Ryosuke
+Marc Bachmann
+Marcelo Trylesinski
+Mark Boddington
+Matt Rudary
+Matt Way
+Michael Kaufmann
+Mike Conlen
+Mike Frysinger
+Mike Lothian
+Nicholas Hurley
+Nora Shoemaker
+Paweł Wegner
+Pedro Santos
+Peeyush Aggarwal
+Peng-Yu Chen
+Peter Wu
+Piotr Sikora
+PufferOverflow
+Raul Gutierrez Segales
+Remo E
+Renaud
+Reza Tavakoli
+Richard Wolfert
+Rick Lei
+Ross Smith II
+Rudi Heitbaum
+Ryan Carsten Schmidt
+Ryo Ota
+Scott Mitchell
+Sebastiaan Deckers
+Sergei Trofimovich
+Sergey Fedorov
+Shelley Vohr
+Simon Frankenberger
+Simone Basso
+Soham Sinha
+Stefan Eissing
+Stephen Ludin
+Sunpoet Po-Chuan Hsieh
+Svante Signell
+Syohei YOSHIDA
+Tapanito
+Tatsuhiko Kubo
+Tatsuhiro Tsujikawa
+Thomas Devoogdt
+Tobias Geerinckx-Rice
+Tom Harwood
+Tomas Krizek
+Tomasz Buchert
+Tomasz Torcz
+Vernon Tang
+Viacheslav Biriukov
+Viktor Szakats
+Viktor Szépe
+Ville Vesilehto
+Wenfeng Liu
+William A Rowe Jr
+Xiaoguang Sun
+Zachary Turner
+Zhuoyun Wei
+acesso
+ayanamist
+bmarques1995
+bxshi
+clemahieu
+dalf
+dawg
+es
+fangdingjun
+feicong
+hrxi
+jwchoi
+kumagi
+lhuang04
+lstefani
+makovich
+mod-h2-dev
+moparisthebest
+robaho
+snnn
+yuuki-kodama

CMakeLists.txt

@@ -0,0 +1,560 @@
+# nghttp2 - HTTP/2 C Library
+#
+# Copyright (c) 2012, 2013, 2014, 2015 Tatsuhiro Tsujikawa
+# Copyright (c) 2016 Peter Wu <peter@lekensteyn.nl>
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+cmake_minimum_required(VERSION 3.14)
+# XXX using 1.8.90 instead of 1.9.0-DEV
+project(nghttp2 VERSION 1.68.90 LANGUAGES C)
+
+# See versioning rule:
+#  https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+set(LT_CURRENT  43)
+set(LT_REVISION 2)
+set(LT_AGE      29)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+include(Version)
+
+math(EXPR LT_SOVERSION "${LT_CURRENT} - ${LT_AGE}")
+set(LT_VERSION "${LT_SOVERSION}.${LT_AGE}.${LT_REVISION}")
+set(PACKAGE_VERSION     "${PROJECT_VERSION}")
+HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH})
+
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE)
+
+  # Include "None" as option to disable any additional (optimization) flags,
+  # relying on just CMAKE_C_FLAGS and CMAKE_CXX_FLAGS (which are empty by
+  # default). These strings are presented in cmake-gui.
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "None" "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+include(GNUInstallDirs)
+include(CMakeDependentOption)
+
+# For documentation
+find_package(Python3 COMPONENTS Interpreter)
+
+# Auto-detection of features that can be toggled
+if(NOT ENABLE_LIB_ONLY)
+  enable_language(CXX)
+  find_package(Libev 4.11)
+  find_package(Libcares 1.7.5)
+  find_package(ZLIB 1.2.3)
+  find_package(Libbrotlienc 1.0.9)
+  find_package(Libbrotlidec 1.0.9)
+endif()
+
+if(WITH_WOLFSSL)
+  find_package(WolfSSL 5.7.0)
+else()
+  find_package(OpenSSL 1.1.1)
+endif()
+find_package(Libngtcp2 1.15.0)
+find_package(Libnghttp3 1.11.0)
+if(WITH_LIBBPF)
+  find_package(Libbpf 0.7.0)
+  if(NOT LIBBPF_FOUND)
+    message(FATAL_ERROR "libbpf was requested (WITH_LIBBPF=1) but not found.")
+  endif()
+endif()
+if((OPENSSL_FOUND OR WOLFSSL_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)
+set(ENABLE_EXAMPLES_DEFAULT ${LIBEVENT_OPENSSL_FOUND})
+
+find_package(LibXml2 2.6.26)
+set(WITH_LIBXML2_DEFAULT    ${LIBXML2_FOUND})
+find_package(Jemalloc)
+set(WITH_JEMALLOC_DEFAULT   ${JEMALLOC_FOUND})
+
+include(CMakeOptions.txt)
+
+if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_EXAMPLES))
+  # Remember when disabled options are disabled for later diagnostics.
+  set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1)
+else()
+  set(ENABLE_LIB_ONLY_DISABLED_OTHERS 0)
+endif()
+if(ENABLE_LIB_ONLY)
+  set(ENABLE_APP            OFF)
+  set(ENABLE_HPACK_TOOLS    OFF)
+  set(ENABLE_EXAMPLES       OFF)
+endif()
+
+# Do not disable assertions based on CMAKE_BUILD_TYPE.
+foreach(_build_type "Release" "MinSizeRel" "RelWithDebInfo")
+  foreach(_lang C CXX)
+    string(TOUPPER "CMAKE_${_lang}_FLAGS_${_build_type}" _var)
+    string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " " ${_var} "${${_var}}")
+  endforeach()
+endforeach()
+
+if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
+  set(HINT_NORETURN       "__attribute__((noreturn))")
+else()
+  set(HINT_NORETURN)
+endif()
+
+if(NOT ENABLE_LIB_ONLY)
+  include(ExtractValidFlags)
+  foreach(_cxx1x_flag -std=c++20)
+    extract_valid_cxx_flags(_cxx1x_flag_supported ${_cxx1x_flag})
+    if(_cxx1x_flag_supported)
+      set(CXX1XCXXFLAGS ${_cxx1x_flag})
+      break()
+    endif()
+  endforeach()
+
+  include(CMakePushCheckState)
+  include(CheckCXXSourceCompiles)
+  cmake_push_check_state()
+  set(CMAKE_REQUIRED_DEFINITIONS "${CXX1XCXXFLAGS}")
+  # Check that std::future is available.
+  check_cxx_source_compiles("
+  #include <vector>
+  #include <future>
+  int main() { std::vector<std::future<int>> v; }" HAVE_STD_FUTURE)
+  # Check that std::chrono::time_zone is available.
+  check_cxx_source_compiles("
+  #include <chrono>
+  int main() { auto tz = std::chrono::current_zone(); (void)tz; }" HAVE_STD_CHRONO_TIME_ZONE)
+  cmake_pop_check_state()
+endif()
+
+# Checks for libraries.
+# Additional libraries required for programs under src directory.
+set(APP_LIBRARIES)
+
+set(CMAKE_THREAD_PREFER_PTHREAD 1)
+find_package(Threads)
+if(CMAKE_USE_PTHREADS_INIT)
+  list(APPEND APP_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+endif()
+# XXX android and C++, is this still needed in cmake?
+# case "$host" in
+#   *android*)
+#     android_build=yes
+#     # android does not need -pthread, but needs following 3 libs for C++
+#     APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
+
+# dl: openssl requires libdl when it is statically linked.
+# XXX shouldn't ${CMAKE_DL_LIBS} be appended to OPENSSL_LIBRARIES instead of
+# APP_LIBRARIES if it is really specific to OpenSSL?
+
+enable_testing()
+add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})
+
+# openssl (for src)
+include(CheckSymbolExists)
+set(HAVE_OPENSSL    ${OPENSSL_FOUND})
+if(NOT ENABLE_LIB_ONLY AND 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("LIBRESSL_VERSION_NUMBER" "openssl/opensslv.h" LIBRESSL_FOUND)
+  if(ENABLE_HTTP3)
+    check_symbol_exists(SSL_provide_quic_data "openssl/ssl.h" HAVE_SSL_PROVIDE_QUIC_DATA)
+    if(NOT HAVE_SSL_PROVIDE_QUIC_DATA)
+      check_symbol_exists(SSL_set_quic_tls_cbs "openssl/ssl.h" HAVE_SSL_SET_QUIC_TLS_CBS)
+      if(NOT HAVE_SSL_SET_QUIC_TLS_CBS)
+        message(WARNING "OpenSSL in ${OPENSSL_LIBRARIES} has neither SSL_provide_quic_data nor SSL_set_quic_tls_cbs.  HTTP/3 support cannot be enabled")
+      endif()
+    endif()
+  endif()
+  cmake_pop_check_state()
+else()
+  set(OPENSSL_INCLUDE_DIRS  "")
+  set(OPENSSL_LIBRARIES     "")
+endif()
+# wolfSSL (for src)
+set(HAVE_WOLFSSL ${WOLFSSL_FOUND})
+if(WOLFSSL_FOUND)
+  set(WOLFSSL_INCLUDE_DIRS ${WOLFSSL_INCLUDE_DIR})
+  cmake_push_check_state()
+  set(CMAKE_REQUIRED_INCLUDES   "${WOLFSSL_INCLUDE_DIR}")
+  set(CMAKE_REQUIRED_LIBRARIES  "${WOLFSSL_LIBRARIES}")
+  check_symbol_exists(SSL_provide_quic_data "wolfssl/options.h;wolfssl/ssl.h" HAVE_WOLFSSL_SSL_PROVIDE_QUIC_DATA)
+  if(NOT HAVE_WOLFSSL_SSL_PROVIDE_QUIC_DATA)
+    message(WARNING "wolfSSL in ${WOLFSSL_LIBRARIES} does not have SSL_provide_quic_data.  HTTP/3 support cannot be enabled")
+  endif()
+  cmake_pop_check_state()
+else()
+  set(WOLFSSL_INCLUDE_DIRS "")
+  set(WOLFSSL_LIBRARIES    "")
+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.
+  set(LIBEVENT_OPENSSL_LIBRARIES ${LIBEVENT_LIBRARIES})
+endif()
+# libc-ares (for src)
+set(HAVE_LIBCARES   ${LIBCARES_FOUND})
+if(LIBCARES_FOUND)
+  set(LIBCARES_INCLUDE_DIRS ${LIBCARES_INCLUDE_DIR})
+else()
+  set(LIBCARES_INCLUDE_DIRS "")
+  set(LIBCARES_LIBRARIES    "")
+endif()
+# jansson (for src/nghttp, src/deflatehd and src/inflatehd)
+set(HAVE_JANSSON    ${JANSSON_FOUND})
+# libxml2 (for src/nghttp)
+set(HAVE_LIBXML2    ${LIBXML2_FOUND})
+if(LIBXML2_FOUND)
+  set(LIBXML2_INCLUDE_DIRS  ${LIBXML2_INCLUDE_DIR})
+else()
+  set(LIBXML2_INCLUDE_DIRS  "")
+  set(LIBXML2_LIBRARIES     "")
+endif()
+# jemalloc
+set(HAVE_JEMALLOC   ${JEMALLOC_FOUND})
+
+# libbrotli (for src)
+set(HAVE_LIBBROTLIENC ${LIBBROTLIENC_FOUND})
+set(HAVE_LIBBROTLIDEC ${LIBBROTLIDEC_FOUND})
+if(LIBBROTLIENC_FOUND AND LIBBROTLIDEC_FOUND)
+  set(HAVE_LIBBROTLI 1)
+endif()
+
+# 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)
+endif()
+
+# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL and libev
+if(ENABLE_APP AND NOT (ZLIB_FOUND AND (OPENSSL_FOUND OR WOLFSSL_FOUND) AND LIBEV_FOUND))
+  message(FATAL_ERROR "Applications were requested (ENABLE_APP=1) but dependencies are not met.")
+endif()
+
+if(ENABLE_HTTP3)
+  if(HAVE_SSL_PROVIDE_QUIC_DATA AND NOT LIBRESSL_FOUND)
+    find_package(Libngtcp2_crypto_quictls 1.15.0)
+    if(LIBNGTCP2_CRYPTO_QUICTLS_FOUND)
+      set(HAVE_LIBNGTCP2_CRYPTO_QUICTLS 1)
+    endif()
+  elseif(HAVE_SSL_PROVIDE_QUIC_DATA AND LIBRESSL_FOUND)
+    find_package(Libngtcp2_crypto_libressl 1.15.0)
+    if(LIBNGTCP2_CRYPTO_LIBRESSL_FOUND)
+      set(HAVE_LIBNGTCP2_CRYPTO_LIBRESSL 1)
+    endif()
+  elseif(HAVE_WOLFSSL_SSL_PROVIDE_QUIC_DATA)
+    find_package(Libngtcp2_crypto_wolfssl 1.15.0)
+    if(LIBNGTCP2_CRYPTO_WOLFSSL_FOUND)
+      set(HAVE_LIBNGTCP2_CRYPTO_WOLFSSL 1)
+    endif()
+  elseif(HAVE_SSL_SET_QUIC_TLS_CBS)
+    find_package(Libngtcp2_crypto_ossl 1.15.0)
+    if(LIBNGTCP2_CRYPTO_OSSL_FOUND)
+      set(HAVE_LIBNGTCP2_CRYPTO_OSSL 1)
+    endif()
+  endif()
+endif()
+
+# HTTP/3 requires libngtcp2 + nghttp3 + one of:
+#
+# - quictls/openssl + libngtcp2_crypto_quictls
+# - libressl + libngtcp2_crypto_libressl
+# - wolfSSL + libngtcp2_crypto_wolfssl
+# - openssl/openssl + libngtcp2_crypto_ossl
+if(ENABLE_HTTP3 AND NOT (LIBNGTCP2_FOUND AND LIBNGHTTP3_FOUND AND
+      ((HAVE_SSL_PROVIDE_QUIC_DATA AND NOT LIBRESSL_FOUND AND LIBNGTCP2_CRYPTO_QUICTLS_FOUND) OR
+	(HAVE_SSL_PROVIDE_QUIC_DATA AND LIBRESSL_FOUND AND LIBNGTCP2_CRYPTO_LIBRESSL_FOUND) OR
+	(HAVE_WOLFSSL_SSL_PROVIDE_QUIC_DATA AND LIBNGTCP2_CRYPTO_WOLFSSL_FOUND) OR
+	(HAVE_SSL_SET_QUIC_TLS_CBS AND LIBNGTCP2_CRYPTO_OSSL_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
+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)
+  set(ENABLE_THIRD_PARTY 1)
+  # mruby (for src/nghttpx)
+  set(HAVE_MRUBY      ${WITH_MRUBY})
+  set(HAVE_NEVERBLEED ${WITH_NEVERBLEED})
+else()
+  set(HAVE_MRUBY 0)
+  set(HAVE_NEVERBLEED 0)
+endif()
+
+# Checks for header files.
+include(CheckIncludeFile)
+check_include_file("arpa/inet.h"    HAVE_ARPA_INET_H)
+check_include_file("fcntl.h"        HAVE_FCNTL_H)
+check_include_file("inttypes.h"     HAVE_INTTYPES_H)
+check_include_file("limits.h"       HAVE_LIMITS_H)
+check_include_file("netdb.h"        HAVE_NETDB_H)
+check_include_file("netinet/in.h"   HAVE_NETINET_IN_H)
+check_include_file("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("syslog.h"       HAVE_SYSLOG_H)
+check_include_file("unistd.h"       HAVE_UNISTD_H)
+check_include_file("windows.h"      HAVE_WINDOWS_H)
+
+include(CheckTypeSize)
+# Checks for typedefs, structures, and compiler characteristics.
+# AC_TYPE_SIZE_T
+check_type_size("ssize_t" SIZEOF_SSIZE_T)
+if(SIZEOF_SSIZE_T STREQUAL "")
+  # ssize_t is a signed type in POSIX storing at least -1.
+  # Set it to "int" to match the behavior of AC_TYPE_SSIZE_T (autotools).
+  set(ssize_t int)
+endif()
+# AC_TYPE_UINT8_T
+# AC_TYPE_UINT16_T
+# AC_TYPE_UINT32_T
+# AC_TYPE_UINT64_T
+# AC_TYPE_INT8_T
+# AC_TYPE_INT16_T
+# AC_TYPE_INT32_T
+# AC_TYPE_INT64_T
+# AC_TYPE_OFF_T
+# AC_TYPE_PID_T
+# AC_TYPE_UID_T
+# XXX To support inline for crappy compilers, see https://cmake.org/Wiki/CMakeTestInline
+# AC_C_INLINE
+# XXX is AC_SYS_LARGEFILE still needed for modern systems?
+# add_definitions(-D_FILE_OFFSET_BITS=64)
+
+include(CheckStructHasMember)
+check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_STRUCT_TM_TM_GMTOFF)
+
+# Checks for library functions.
+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_function_exists(pipe2     HAVE_PIPE2)
+
+check_symbol_exists(GetTickCount64 "windows.h;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)
+if(NOT HAVE_DECL_INITGROUPS AND HAVE_UNISTD_H)
+  # FreeBSD declares initgroups() in unistd.h
+  check_symbol_exists(initgroups unistd.h HAVE_DECL_INITGROUPS2)
+  if(HAVE_DECL_INITGROUPS2)
+    set(HAVE_DECL_INITGROUPS 1)
+  endif()
+endif()
+
+check_symbol_exists(CLOCK_MONOTONIC "time.h" HAVE_DECL_CLOCK_MONOTONIC)
+
+set(WARNCFLAGS)
+set(WARNCXXFLAGS)
+if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+  if(ENABLE_WERROR)
+    set(WARNCFLAGS    /WX)
+    set(WARNCXXFLAGS  /WX)
+  endif()
+else()
+  if(ENABLE_WERROR)
+    set(WARNCFLAGS   "-Werror")
+    set(WARNCXXFLAGS "-Werror")
+  endif()
+
+  include(PickyWarningsC)
+  include(PickyWarningsCXX)
+endif()
+
+if(ENABLE_STATIC_CRT)
+  foreach(lang C CXX)
+    foreach(suffix "" _DEBUG _MINSIZEREL _RELEASE _RELWITHDEBINFO)
+      set(var "CMAKE_${lang}_FLAGS${suffix}")
+      string(REPLACE "/MD" "/MT" ${var} "${${var}}")
+    endforeach()
+  endforeach()
+endif()
+
+if(ENABLE_DEBUG)
+  set(DEBUGBUILD 1)
+endif()
+
+# Some platform does not have working std::future.  We disable
+# threading for those platforms.
+if(NOT ENABLE_THREADS OR NOT HAVE_STD_FUTURE)
+  set(NOTHREADS 1)
+endif()
+
+add_definitions(-DHAVE_CONFIG_H)
+configure_file(cmakeconfig.h.in config.h)
+# autotools-compatible names
+# Sphinx expects relative paths in the .rst files. Use the fact that the files
+# below are all one directory level deep.
+file(RELATIVE_PATH top_srcdir   "${CMAKE_CURRENT_BINARY_DIR}/dir" "${CMAKE_CURRENT_SOURCE_DIR}")
+file(RELATIVE_PATH top_builddir "${CMAKE_CURRENT_BINARY_DIR}/dir" "${CMAKE_CURRENT_BINARY_DIR}")
+set(abs_top_srcdir  "${CMAKE_CURRENT_SOURCE_DIR}")
+set(abs_top_builddir "${CMAKE_CURRENT_BINARY_DIR}")
+# libnghttp2.pc (pkg-config file)
+set(prefix          "${CMAKE_INSTALL_PREFIX}")
+set(exec_prefix     "${CMAKE_INSTALL_PREFIX}")
+set(libdir          "${CMAKE_INSTALL_FULL_LIBDIR}")
+set(includedir      "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+set(VERSION         "${PACKAGE_VERSION}")
+# For init scripts and systemd service file (in contrib/)
+set(bindir          "${CMAKE_INSTALL_FULL_BINDIR}")
+set(sbindir         "${CMAKE_INSTALL_FULL_SBINDIR}")
+foreach(name
+   lib/libnghttp2.pc
+   lib/includes/nghttp2/nghttp2ver.h
+   integration-tests/config.go
+   integration-tests/setenv
+   doc/conf.py
+   doc/index.rst
+   doc/package_README.rst
+   doc/tutorial-client.rst
+   doc/tutorial-server.rst
+   doc/tutorial-hpack.rst
+   doc/nghttpx-howto.rst
+   doc/h2load-howto.rst
+   doc/building-android-binary.rst
+   doc/nghttp2.h.rst
+   doc/nghttp2ver.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}")
+
+add_subdirectory(lib)
+#add_subdirectory(lib/includes)
+add_subdirectory(third-party)
+add_subdirectory(src)
+add_subdirectory(examples)
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME AND BUILD_TESTING)
+  add_subdirectory(tests)
+  #add_subdirectory(tests/testdata)
+  add_subdirectory(integration-tests)
+endif()
+if(ENABLE_DOC)
+  add_subdirectory(doc)
+endif()
+add_subdirectory(contrib)
+add_subdirectory(bpf)
+
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
+message(STATUS "summary of build options:
+
+    Package version: ${VERSION}
+    Library version: ${LT_CURRENT}:${LT_REVISION}:${LT_AGE}
+    Install prefix:  ${CMAKE_INSTALL_PREFIX}
+    Target system:   ${CMAKE_SYSTEM_NAME}
+    Compiler:
+      Build type:     ${CMAKE_BUILD_TYPE}
+      C compiler:     ${CMAKE_C_COMPILER}
+      CFLAGS:         ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
+      C++ compiler:   ${CMAKE_CXX_COMPILER}
+      CXXFLAGS:       ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
+      WARNCFLAGS:     ${WARNCFLAGS}
+      CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
+      WARNCXXFLAGS:   ${WARNCXXFLAGS}
+    Python:
+      Python:          ${Python3_EXECUTABLE}
+      Python3_VERSION: ${Python3_VERSION}
+    Test:
+      Failmalloc:     ${ENABLE_FAILMALLOC}
+      Build Test:     ${BUILD_TESTING}
+    Libs:
+      OpenSSL:        ${HAVE_OPENSSL} (LIBS='${OPENSSL_LIBRARIES}')
+      wolfSSL:        ${HAVE_WOLFSSL} (LIBS='${WOLFSSL_LIBRARIES}')
+      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}')
+      Libngtcp2_crypto_libressl: ${HAVE_LIBNGTCP2_CRYPTO_LIBRESSL} (LIBS='${LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARIES}')
+      Libngtcp2_crypto_wolfssl: ${HAVE_LIBNGTCP2_CRYPTO_WOLFSSL} (LIBS='${LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARIES}')
+      Libnghttp3:     ${HAVE_LIBNGHTTP3} (LIBS='${LIBNGHTTP3_LIBRARIES}')
+      Libbpf:         ${HAVE_LIBBPF} (LIBS='${LIBBPF_LIBRARIES}')
+      Libevent(SSL):  ${HAVE_LIBEVENT_OPENSSL} (LIBS='${LIBEVENT_OPENSSL_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}')
+      Libbrotlienc:   ${HAVE_LIBBROTLIENC} (LIBS='${LIBBROTLIENC_LIBRARIES}')
+      Libbrotlidec:   ${HAVE_LIBBROTLIDEC} (LIBS='${LIBBROTLIDEC_LIBRARIES}')
+    Third-party:
+      http-parser:    ${ENABLE_THIRD_PARTY}
+      MRuby:          ${HAVE_MRUBY}
+      Neverbleed:     ${HAVE_NEVERBLEED}
+    Features:
+      Applications:   ${ENABLE_APP}
+      HPACK tools:    ${ENABLE_HPACK_TOOLS}
+      Examples:       ${ENABLE_EXAMPLES}
+      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 "
+    "(such as applications and examples), set ENABLE_LIB_ONLY=OFF.")
+endif()

CMakeOptions.txt

@@ -0,0 +1,30 @@
+# Features that can be enabled for cmake (see CMakeLists.txt)
+
+option(ENABLE_WERROR    "Turn on compile time warnings")
+option(ENABLE_DEBUG     "Turn on debug output")
+option(ENABLE_THREADS   "Turn on threading in apps" ON)
+option(ENABLE_APP       "Build applications (nghttp, nghttpd, nghttpx and h2load)"
+  ${ENABLE_APP_DEFAULT})
+option(ENABLE_HPACK_TOOLS "Build HPACK tools"
+  ${ENABLE_HPACK_TOOLS_DEFAULT})
+option(ENABLE_EXAMPLES  "Build examples"
+  ${ENABLE_EXAMPLES_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(BUILD_SHARED_LIBS "Build libnghttp2 as a shared library" ON)
+option(BUILD_STATIC_LIBS "Build libnghttp2 in static mode also" OFF)
+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)
+cmake_dependent_option(BUILD_TESTING "Enable tests" ON "BUILD_STATIC_LIBS" OFF)
+
+option(WITH_LIBXML2     "Use libxml2"
+  ${WITH_LIBXML2_DEFAULT})
+option(WITH_JEMALLOC    "Use jemalloc"
+  ${WITH_JEMALLOC_DEFAULT})
+option(WITH_MRUBY       "Use mruby")
+option(WITH_NEVERBLEED  "Use neverbleed")
+option(WITH_LIBBPF      "Use libbpf")
+option(WITH_WOLFSSL     "Use wolfSSL")
+
+# vim: ft=cmake:

COPYING

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

Dockerfile.android

@@ -10,74 +10,63 @@
 #
 # $ sudo docker run -v /path/to/dest:/out nghttp2-android cp /root/build/nghttp2/src/nghttpx /out
 
-FROM ubuntu:trusty
 
-MAINTAINER Tatsuhiro Tsujikawa
+# Only use standalone-toolchain for reduce size
+FROM ubuntu:24.04
+LABEL org.opencontainers.image.authors="Tatsuhiro Tsujikawa"
 
-ENV ANDROID_HOME /root/android
+ARG NDK_VERSION=r27c
-ENV PREFIX $ANDROID_HOME/usr/local
+ARG NDK=/root/android-ndk-$NDK_VERSION
-ENV TOOLCHAIN $ANDROID_HOME/toolchain
+ARG TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64
-ENV PATH $TOOLCHAIN/bin:$PATH
+ARG TARGET=aarch64-linux-android
+ARG API=33
+ARG AR=$TOOLCHAIN/bin/llvm-ar
+ARG CC=$TOOLCHAIN/bin/$TARGET$API-clang
+ARG CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
+ARG LD=$TOOLCHAIN/bin/ld
+ARG RANDLIB=$TOOLCHAIN/bin/llvm-ranlib
+ARG STRIP=$TOOLCHAIN/bin/llvm-strip
+ARG PREFIX=/root/usr/local
 
-# It would be better to use nearest ubuntu archive mirror for faster
+WORKDIR /root
-# downloads.
+RUN apt-get update && \
-# RUN sed -ie 's/archive\.ubuntu/jp.archive.ubuntu/g' /etc/apt/sources.list
+    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/*
 
-RUN apt-get update
+# Download NDK
-# genisoimage, libc6-i386 and lib32stdc++6 are required to decompress ndk.
+RUN curl -L -O https://dl.google.com/android/repository/android-ndk-$NDK_VERSION-linux.zip && \
-RUN apt-get install -y make binutils autoconf automake autotools-dev libtool \
+   unzip -q android-ndk-$NDK_VERSION-linux.zip && \
-    pkg-config git curl dpkg-dev libxml2-dev \
+   rm android-ndk-$NDK_VERSION-linux.zip
-    genisoimage libc6-i386 lib32stdc++6
+
+# Setup version of libraries
+ARG OPENSSL_VERSION=1.1.1w
+ARG LIBEV_VERSION=4.33
+ARG ZLIB_VERSION=1.3.1
+ARG CARES_VERSION=1.18.1
+ARG NGHTTP2_VERSION=master
 
 WORKDIR /root/build
-RUN curl -L -O http://dl.google.com/android/ndk/android-ndk-r10c-linux-x86_64.bin && \
+RUN curl -L -O https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz && \
-    chmod a+x android-ndk-r10c-linux-x86_64.bin && \
+    tar xf openssl-$OPENSSL_VERSION.tar.gz && \
-    ./android-ndk-r10c-linux-x86_64.bin && \
+    rm openssl-$OPENSSL_VERSION.tar.gz
-    rm android-ndk-r10c-linux-x86_64.bin
 
-WORKDIR /root/build/android-ndk-r10c
+WORKDIR /root/build/openssl-$OPENSSL_VERSION
-RUN /bin/bash build/tools/make-standalone-toolchain.sh \
+RUN export ANDROID_NDK_HOME=$NDK PATH=$TOOLCHAIN/bin:$PATH && \
-    --install-dir=$ANDROID_HOME/toolchain \
+    ./Configure no-shared --prefix=$PREFIX android-arm64 && \
-    --toolchain=arm-linux-androideabi-4.9 --llvm-version=3.5 \
-    --system=linux-x86_64
-
-WORKDIR /root/build
-RUN git clone https://github.com/tatsuhiro-t/spdylay
-WORKDIR /root/build/spdylay
-RUN autoreconf -i && \
-    ./configure \
-    --disable-shared \
-    --host=arm-linux-androideabi \
-    --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
-    --prefix=$PREFIX \
-    --without-libxml2 \
-    --disable-src \
-    --disable-examples \
-    CPPFLAGS="-I$PREFIX/include" \
-    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
-    LDFLAGS="-L$PREFIX/lib" && \
-    make install
-
-WORKDIR /root/build
-RUN curl -L -O https://www.openssl.org/source/openssl-1.0.2a.tar.gz && \
-    tar xf openssl-1.0.2a.tar.gz && \
-    rm openssl-1.0.2a.tar.gz
-
-WORKDIR /root/build/openssl-1.0.2a
-RUN export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi- && \
-    ./Configure --prefix=$PREFIX android && \
     make && make install_sw
 
 WORKDIR /root/build
-RUN curl -L -O http://dist.schmorp.de/libev/libev-4.19.tar.gz && \
+RUN curl -L -O 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 && \
-    tar xf libev-4.19.tar.gz && \
+    rm libev-$LIBEV_VERSION.tar.gz
-    rm libev-4.19.tar.gz
 
-WORKDIR /root/build/libev-4.19
+WORKDIR /root/build/libev-$LIBEV_VERSION
-RUN patch -p1 < ../libev-4.19-android.patch && \
+RUN ./configure \
-    ./configure \
+    --disable-dependency-tracking \
-    --host=arm-linux-androideabi \
+    --host=$TARGET \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
     --prefix=$PREFIX \
     --disable-shared \
@@ -87,23 +76,49 @@ RUN patch -p1 < ../libev-4.19-android.patch && \
     make install
 
 WORKDIR /root/build
-RUN git clone https://github.com/tatsuhiro-t/nghttp2
+RUN curl -L -O https://github.com/madler/zlib/releases/download/v$ZLIB_VERSION/zlib-$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 \
+    ./configure \
+    --prefix=$PREFIX \
+    --libdir=$PREFIX/lib \
+    --includedir=$PREFIX/include \
+    --static && \
+    make install
+
+
+WORKDIR /root/build
+RUN curl -L -O https://github.com/c-ares/c-ares/releases/download/cares-1_18_1/c-ares-$CARES_VERSION.tar.gz && \
+    tar xf c-ares-$CARES_VERSION.tar.gz && \
+    rm c-ares-$CARES_VERSION.tar.gz
+
+WORKDIR /root/build/c-ares-$CARES_VERSION
+RUN ./configure \
+      --disable-dependency-tracking \
+      --host=$TARGET \
+      --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+      --prefix=$PREFIX \
+      --disable-shared && \
+    make install
+
+WORKDIR /root/build
+RUN git clone --recursive --shallow-submodules https://github.com/nghttp2/nghttp2 -b $NGHTTP2_VERSION --depth 1
 WORKDIR /root/build/nghttp2
 RUN autoreconf -i && \
     ./configure \
+    --disable-dependency-tracking \
+    --enable-app \
     --disable-shared \
-    --host=arm-linux-androideabi \
+    --host=$TARGET \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
-    --with-xml-prefix="$PREFIX" \
     --without-libxml2 \
-    --disable-python-bindings \
     --disable-examples \
     --disable-threads \
-    LIBSPDYLAY_CFLAGS=-I$PREFIX/usr/local/include \
+      CPPFLAGS="-fPIE -I$PREFIX/include" \
-    LIBSPDYLAY_LIBS="-L$PREFIX/usr/local/lib -lspdylay" \
+      PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
-    CPPFLAGS="-fPIE -I$PREFIX/include" \
+      LDFLAGS="-static-libstdc++ -static-libgcc -fPIE -pie -L$PREFIX/lib" && \
-    CXXFLAGS="-fno-strict-aliasing" \
-    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
-    LDFLAGS="-fPIE -pie -L$PREFIX/lib" && \
     make && \
-    arm-linux-androideabi-strip src/nghttpx src/nghttpd src/nghttp
+    $STRIP src/nghttpx src/nghttpd src/nghttp

LICENSE

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

Makefile.am

@@ -20,24 +20,46 @@
 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-SUBDIRS = lib third-party src examples python tests integration-tests \
+SUBDIRS = lib tests third-party src bpf examples integration-tests \
 	doc contrib
 
 ACLOCAL_AMFLAGS = -I m4
 
 dist_doc_DATA = README.rst
 
-EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
+EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-env \
-	Dockerfile.android
+	Dockerfile.android \
+	cmakeconfig.h.in \
+	CMakeLists.txt \
+	CMakeOptions.txt \
+	cmake/ExtractValidFlags.cmake \
+	cmake/FindJemalloc.cmake \
+	cmake/FindLibev.cmake \
+	cmake/Version.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/FindLibbrotlienc.cmake \
+	cmake/FindLibbrotlidec.cmake \
+	cmake/FindLibngtcp2_crypto_wolfssl.cmake \
+	cmake/FindLibngtcp2_crypto_ossl.cmake \
+	cmake/FindWolfSSL.cmake \
+	cmake/PickyWarningsC.cmake \
+	cmake/PickyWarningsCXX.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 thier
+# under third-party directory since we are not responsible for their
 # coding style.
 clang-format:
 	CLANGFORMAT=`git config --get clangformat.binary`; \
 	test -z $${CLANGFORMAT} && CLANGFORMAT="clang-format"; \
 	$${CLANGFORMAT} -i lib/*.{c,h} lib/includes/nghttp2/*.h \
-	src/*.{c,cc,h} src/includes/nghttp2/*.h examples/*.{c,cc} \
+	src/*.{c,cc,h} examples/*.c \
-	tests/*.{c,h}
+	tests/*.{c,h} bpf/*.c fuzz/*.cc

SECURITY.md

@@ -0,0 +1,31 @@
+# Security Process
+
+If you find a vulnerability in our software, please report it via
+GitHub "Private vulnerability reporting" feature at
+https://github.com/nghttp2/nghttp2/security 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.
+
+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.

android-config

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

android-env

@@ -2,7 +2,7 @@
 #
 # nghttp2 - HTTP/2 C Library
 #
-# Copyright (c) 2013 Tatsuhiro Tsujikawa
+# Copyright (c) 2022 nghttp2 contributors
 #
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
@@ -23,11 +23,18 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-if [ -z "$ANDROID_HOME" ]; then
+if [ -z "$NDK" ]; then
-    echo 'No $ANDROID_HOME specified.'
+    echo 'No $NDK specified.'
     exit 1
 fi
-TOOLCHAIN=$ANDROID_HOME/toolchain
-PATH=$TOOLCHAIN/bin:$PATH
 
-make "$@"
+export TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64
+export TARGET=aarch64-linux-android
+export API=33
+export AR=$TOOLCHAIN/bin/llvm-ar
+export CC=$TOOLCHAIN/bin/$TARGET$API-clang
+export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
+export LD=$TOOLCHAIN/bin/ld
+export RANDLIB=$TOOLCHAIN/bin/llvm-ranlib
+export STRIP=$TOOLCHAIN/bin/llvm-strip
+export PREFIX=$NDK/usr/local

author.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+# script to extract commit author's name from standard input.  The
+# input should be <AUTHOR>:<EMAIL>, one per line.
+# This script expects the input is created by git-log command:
+#
+#   git log --format=%aN:%aE
+#
+# This script removes duplicates based on email address, breaking a
+# tie with longer author name.  Among the all author names extract the
+# previous step, we remove duplicate by case-insensitive match.
+#
+# So we can do this in one line:
+#
+#   git log --format=%aN:%aE | sort | uniq | ./author.py > authors
+
+import sys
+
+edict = {}
+
+for line in sys.stdin:
+    author, email = line.strip().split(':', 1)
+    if email in edict:
+        an = edict[email]
+        if len(an) < len(author) or an > author:
+            sys.stderr.write(
+                'eliminated {} in favor of {}\n'.format(an, author))
+            edict[email] = author
+        else:
+            sys.stderr.write(
+                'eliminated {} in favor of {}\n'.format(author, an))
+    else:
+        edict[email] = author
+
+names = list(sorted(edict.values()))
+
+ndict = {}
+
+for name in names:
+    lowname = name.lower()
+    if lowname in ndict:
+        an = ndict[lowname]
+        if an > name:
+            sys.stderr.write('eliminated {} in favor of {}\n'.format(an, name))
+            ndict[lowname] = name
+        else:
+            sys.stderr.write('eliminated {} in favor of {}\n'.format(name, an))
+    else:
+        ndict[lowname] = name
+
+for name in sorted(ndict.values()):
+    print(name)

bpf/CMakeLists.txt

@@ -0,0 +1,13 @@
+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/Makefile.am

@@ -1,6 +1,6 @@
 # nghttp2 - HTTP/2 C Library
 
-# Copyright (c) 2014 Tatsuhiro Tsujikawa
+# 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
@@ -20,14 +20,21 @@
 # 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.
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
 
-Name: libnghttp2_asio
+EXTRA_DIST = CMakeLists.txt reuseport_kern.c
-Description: HTTP/2 C++ library
+
-URL: https://github.com/tatsuhiro-t/nghttp2
+if HAVE_LIBBPF
-Version: @VERSION@
+
-Libs: -L${libdir} -lnghttp2_asio
+bpf_pkglibdir = $(pkglibdir)
-Cflags: -I${includedir}
+bpf_pkglib_DATA = reuseport_kern.o
+
+all: $(builddir)/reuseport_kern.o
+
+$(builddir)/reuseport_kern.o: reuseport_kern.c
+	$(CC) @LIBBPF_CFLAGS@ @BPFCFLAGS@ @EXTRABPFCFLAGS@ \
+	  -target bpf -c $< -o $@
+
+clean-local:
+	-rm -f reuseport_kern.o
+
+endif # HAVE_LIBBPF

bpf/reuseport_kern.c

@@ -0,0 +1,579 @@
+/*
+ * 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_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 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 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};
+
+/* 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);
+} worker_id_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, 1);
+  __type(key, __u32);
+  __type(value, __u64);
+} sk_info SEC(".maps");
+
+struct {
+  __uint(type, BPF_MAP_TYPE_ARRAY);
+  __uint(max_entries, 1);
+  __type(key, __u32);
+  __type(value, struct AES_ctx);
+} aes_key SEC(".maps");
+
+typedef struct quic_hd {
+  __u8 *dcid;
+  __u32 dcidlen;
+  __u32 dcid_offset;
+  __u8 type;
+} quic_hd;
+
+#define SV_DCIDLEN 17
+#define MAX_DCIDLEN 20
+#define MIN_DCIDLEN 8
+#define WORKER_IDLEN 8
+#define WORKER_ID_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;
+  __u32 zero = 0;
+  int rv;
+  quic_hd qhd;
+  __u8 qpktbuf[6 + MAX_DCIDLEN];
+  struct AES_ctx *aes_ctx;
+  __u8 *worker_id;
+  __u16 remote_port;
+  __u8 *data = reuse_md->data;
+
+  /* Packets less than 22 bytes never be a valid QUIC packet. */
+  if (reuse_md->len < sizeof(struct udphdr) + 22) {
+    return SK_DROP;
+  }
+
+  if (reuse_md->data + sizeof(struct udphdr) > reuse_md->data_end) {
+    return SK_DROP;
+  }
+
+  remote_port = (data[0] << 8) + data[1];
+
+  switch (remote_port) {
+  case 1900:
+  case 5353:
+  case 11211:
+  case 20800:
+  case 27015:
+    return SK_DROP;
+  default:
+    if (remote_port < 1024) {
+      return SK_DROP;
+    }
+  }
+
+  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;
+  }
+
+  aes_ctx = bpf_map_lookup_elem(&aes_key, &zero);
+  if (aes_ctx == NULL) {
+    return SK_DROP;
+  }
+
+  rv = parse_quic(&qhd, qpktbuf, qpktbuf + sizeof(qpktbuf));
+  if (rv != 0) {
+    return SK_DROP;
+  }
+
+  switch (qhd.type) {
+  case NGTCP2_PKT_INITIAL:
+  case NGTCP2_PKT_0RTT:
+    if (qhd.dcidlen == SV_DCIDLEN) {
+      worker_id = qhd.dcid + WORKER_ID_OFFSET;
+      AES_ECB_decrypt(aes_ctx, worker_id);
+
+      psk_index = bpf_map_lookup_elem(&worker_id_map, worker_id);
+      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;
+    }
+
+    worker_id = qhd.dcid + WORKER_ID_OFFSET;
+    AES_ECB_decrypt(aes_ctx, worker_id);
+
+    psk_index = bpf_map_lookup_elem(&worker_id_map, worker_id);
+    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/ExtractValidFlags.cmake

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

cmake/FindJansson.cmake

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

cmake/FindJemalloc.cmake

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

cmake/FindLibbpf.cmake

@@ -0,0 +1,32 @@
+# - 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/FindLibbrotlidec.cmake

@@ -0,0 +1,36 @@
+# - Try to find libbrotlidec
+# Once done this will define
+#  LIBBROTLIDEC_FOUND        - System has libbrotlidec
+#  LIBBROTLIDEC_INCLUDE_DIRS - The libbrotlidec include directories
+#  LIBBROTLIDEC_LIBRARIES    - The libraries needed to use libbrotlidec
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBBROTLIDEC QUIET libbrotlidec)
+
+find_path(LIBBROTLIDEC_INCLUDE_DIR
+  NAMES brotli/decode.h
+  HINTS ${PC_LIBBROTLIDEC_INCLUDE_DIRS}
+)
+find_library(LIBBROTLIDEC_LIBRARY
+  NAMES brotlidec
+  HINTS ${PC_LIBBROTLIDEC_LIBRARY_DIRS}
+)
+
+if(PC_LIBBROTLIDEC_FOUND)
+  set(LIBBROTLIDEC_VERSION ${PC_LIBBROTLIDEC_VERSION})
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBBROTLIDEC_FOUND
+# to TRUE if all listed variables are TRUE and the requested version
+# matches.
+find_package_handle_standard_args(Libbrotlidec REQUIRED_VARS
+                                  LIBBROTLIDEC_LIBRARY LIBBROTLIDEC_INCLUDE_DIR
+                                  VERSION_VAR LIBBROTLIDEC_VERSION)
+
+if(LIBBROTLIDEC_FOUND)
+  set(LIBBROTLIDEC_LIBRARIES     ${LIBBROTLIDEC_LIBRARY})
+  set(LIBBROTLIDEC_INCLUDE_DIRS  ${LIBBROTLIDEC_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBBROTLIDEC_INCLUDE_DIR LIBBROTLIDEC_LIBRARY)

cmake/FindLibbrotlienc.cmake

@@ -0,0 +1,36 @@
+# - Try to find libbrotlienc
+# Once done this will define
+#  LIBBROTLIENC_FOUND        - System has libbrotlienc
+#  LIBBROTLIENC_INCLUDE_DIRS - The libbrotlienc include directories
+#  LIBBROTLIENC_LIBRARIES    - The libraries needed to use libbrotlienc
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBBROTLIENC QUIET libbrotlienc)
+
+find_path(LIBBROTLIENC_INCLUDE_DIR
+  NAMES brotli/encode.h
+  HINTS ${PC_LIBBROTLIENC_INCLUDE_DIRS}
+)
+find_library(LIBBROTLIENC_LIBRARY
+  NAMES brotlienc
+  HINTS ${PC_LIBBROTLIENC_LIBRARY_DIRS}
+)
+
+if(PC_LIBBROTLIENC_FOUND)
+  set(LIBBROTLIENC_VERSION ${PC_LIBBROTLIENC_VERSION})
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBBROTLIENC_FOUND
+# to TRUE if all listed variables are TRUE and the requested version
+# matches.
+find_package_handle_standard_args(Libbrotlienc REQUIRED_VARS
+                                  LIBBROTLIENC_LIBRARY LIBBROTLIENC_INCLUDE_DIR
+                                  VERSION_VAR LIBBROTLIENC_VERSION)
+
+if(LIBBROTLIENC_FOUND)
+  set(LIBBROTLIENC_LIBRARIES     ${LIBBROTLIENC_LIBRARY})
+  set(LIBBROTLIENC_INCLUDE_DIRS  ${LIBBROTLIENC_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBBROTLIENC_INCLUDE_DIR LIBBROTLIENC_LIBRARY)

cmake/FindLibcares.cmake

@@ -0,0 +1,46 @@
+# - Try to find libcares
+# Once done this will define
+#  LIBCARES_FOUND        - System has libcares
+#  LIBCARES_INCLUDE_DIRS - The libcares include directories
+#  LIBCARES_LIBRARIES    - The libraries needed to use libcares
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBCARES QUIET libcares)
+
+find_path(LIBCARES_INCLUDE_DIR
+  NAMES ares.h
+  HINTS ${PC_LIBCARES_INCLUDE_DIRS}
+)
+find_library(LIBCARES_LIBRARY
+  NAMES cares
+  HINTS ${PC_LIBCARES_LIBRARY_DIRS}
+)
+
+if(LIBCARES_INCLUDE_DIR)
+  file(READ "${LIBCARES_INCLUDE_DIR}/ares_version.h" _ares_version_h)
+  string(REGEX REPLACE ".*#define[ \t]+ARES_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1"
+    _ares_version_major ${_ares_version_h})
+  string(REGEX REPLACE ".*#define[ \t]+ARES_VERSION_MINOR[ \t]+([0-9]+).*" "\\1"
+    _ares_version_minor ${_ares_version_h})
+  string(REGEX REPLACE ".*#define[ \t]+ARES_VERSION_PATCH[ \t]+([0-9]+).*" "\\1"
+    _ares_version_patch ${_ares_version_h})
+  set(LIBCARES_VERSION "${_ares_version_major}.${_ares_version_minor}.${_ares_version_patch}")
+  unset(_ares_version_patch)
+  unset(_ares_version_minor)
+  unset(_ares_version_major)
+  unset(_ares_version_h)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBCARES_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libcares REQUIRED_VARS
+                                  LIBCARES_LIBRARY LIBCARES_INCLUDE_DIR
+                                  VERSION_VAR LIBCARES_VERSION)
+
+if(LIBCARES_FOUND)
+  set(LIBCARES_LIBRARIES     ${LIBCARES_LIBRARY})
+  set(LIBCARES_INCLUDE_DIRS  ${LIBCARES_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBCARES_INCLUDE_DIR LIBCARES_LIBRARY)

cmake/FindLibev.cmake

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

cmake/FindLibevent.cmake

@@ -0,0 +1,97 @@
+# - Try to find libevent
+#.rst
+# FindLibevent
+# ------------
+#
+# Find Libevent include directories and libraries. Invoke as::
+#
+#   find_package(Libevent
+#     [version] [EXACT]   # Minimum or exact version
+#     [REQUIRED]          # Fail if Libevent is not found
+#     [COMPONENT <C>...]) # Libraries to look for
+#
+# Valid components are one or more of:: libevent core extra pthreads openssl.
+# Note that 'libevent' contains both core and extra. You must specify one of
+# them for the other components.
+#
+# This module will define the following variables::
+#
+#  LIBEVENT_FOUND        - True if headers and requested libraries were found
+#  LIBEVENT_INCLUDE_DIRS - Libevent include directories
+#  LIBEVENT_LIBRARIES    - Libevent libraries to be linked
+#  LIBEVENT_<C>_FOUND    - Component <C> was found (<C> is uppercase)
+#  LIBEVENT_<C>_LIBRARY  - Library to be linked for Libevent component <C>.
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBEVENT QUIET libevent)
+
+# Look for the Libevent 2.0 or 1.4 headers
+find_path(LIBEVENT_INCLUDE_DIR
+  NAMES
+    event2/event-config.h
+    event-config.h
+  HINTS
+    ${PC_LIBEVENT_INCLUDE_DIRS}
+)
+
+if(LIBEVENT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+_EVENT_VERSION[ \t]+\"([^\"]+)\".*")
+  if(EXISTS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h")
+    # Libevent 2.0
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+    if("${LIBEVENT_VERSION}" STREQUAL "")
+      set(LIBEVENT_VERSION ${PC_LIBEVENT_VERSION})
+    endif()
+  else()
+    # Libevent 1.4
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+  endif()
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBEVENT_VERSION "${LIBEVENT_VERSION}")
+  unset(_version_regex)
+endif()
+
+set(_LIBEVENT_REQUIRED_VARS)
+foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+  set(_LIBEVENT_LIBNAME libevent)
+  # Note: compare two variables to avoid a CMP0054 policy warning
+  if(COMPONENT STREQUAL _LIBEVENT_LIBNAME)
+    set(_LIBEVENT_LIBNAME event)
+  else()
+    set(_LIBEVENT_LIBNAME "event_${COMPONENT}")
+  endif()
+  string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+  find_library(LIBEVENT_${COMPONENT_UPPER}_LIBRARY
+    NAMES ${_LIBEVENT_LIBNAME}
+    HINTS ${PC_LIBEVENT_LIBRARY_DIRS}
+  )
+  if(LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+    set(Libevent_${COMPONENT}_FOUND 1)
+  endif()
+  list(APPEND _LIBEVENT_REQUIRED_VARS LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+endforeach()
+unset(_LIBEVENT_LIBNAME)
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEVENT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libevent REQUIRED_VARS
+                                  ${_LIBEVENT_REQUIRED_VARS}
+                                  LIBEVENT_INCLUDE_DIR
+                                  VERSION_VAR LIBEVENT_VERSION
+                                  HANDLE_COMPONENTS)
+
+if(LIBEVENT_FOUND)
+  set(LIBEVENT_INCLUDE_DIRS  ${LIBEVENT_INCLUDE_DIR})
+  set(LIBEVENT_LIBRARIES)
+  foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+    string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+    list(APPEND LIBEVENT_LIBRARIES ${LIBEVENT_${COMPONENT_UPPER}_LIBRARY})
+    set(LIBEVENT_${COMPONENT_UPPER}_FOUND ${Libevent_${COMPONENT}_FOUND})
+  endforeach()
+endif()
+
+mark_as_advanced(LIBEVENT_INCLUDE_DIR ${_LIBEVENT_REQUIRED_VARS})
+unset(_LIBEVENT_REQUIRED_VARS)

cmake/FindLibnghttp3.cmake

@@ -0,0 +1,41 @@
+# - 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

@@ -0,0 +1,41 @@
+# - 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_libressl.cmake

@@ -0,0 +1,43 @@
+# - Try to find libngtcp2_crypto_libressl
+# Once done this will define
+#  LIBNGTCP2_CRYPTO_LIBRESSL_FOUND        - System has libngtcp2_crypto_libressl
+#  LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIRS - The libngtcp2_crypto_libressl include directories
+#  LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARIES    - The libraries needed to use libngtcp2_crypto_libressl
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBNGTCP2_CRYPTO_LIBRESSL QUIET libngtcp2_crypto_libressl)
+
+find_path(LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIR
+  NAMES ngtcp2/ngtcp2_crypto_quictls.h
+  HINTS ${PC_LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIRS}
+)
+find_library(LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARY
+  NAMES ngtcp2_crypto_libressl
+  HINTS ${PC_LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARY_DIRS}
+)
+
+if(LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIR}/ngtcp2/version.h"
+    LIBNGTCP2_CRYPTO_LIBRESSL_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBNGTCP2_CRYPTO_LIBRESSL_VERSION "${LIBNGTCP2_CRYPTO_LIBRESSL_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set
+# LIBNGTCP2_CRYPTO_LIBRESSL_FOUND to TRUE if all listed variables are
+# TRUE and the requested version matches.
+find_package_handle_standard_args(Libngtcp2_crypto_libressl REQUIRED_VARS
+                                  LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARY
+                                  LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIR
+                                  VERSION_VAR LIBNGTCP2_CRYPTO_LIBRESSL_VERSION)
+
+if(LIBNGTCP2_CRYPTO_LIBRESSL_FOUND)
+  set(LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARIES ${LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARY})
+  set(LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIRS ${LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBNGTCP2_CRYPTO_LIBRESSL_INCLUDE_DIR
+                 LIBNGTCP2_CRYPTO_LIBRESSL_LIBRARY)

cmake/FindLibngtcp2_crypto_ossl.cmake

@@ -0,0 +1,43 @@
+# - Try to find libngtcp2_crypto_ossl
+# Once done this will define
+#  LIBNGTCP2_CRYPTO_OSSL_FOUND        - System has libngtcp2_crypto_ossl
+#  LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIRS - The libngtcp2_crypto_ossl include directories
+#  LIBNGTCP2_CRYPTO_OSSL_LIBRARIES    - The libraries needed to use libngtcp2_crypto_ossl
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBNGTCP2_CRYPTO_OSSL QUIET libngtcp2_crypto_ossl)
+
+find_path(LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIR
+  NAMES ngtcp2/ngtcp2_crypto_ossl.h
+  HINTS ${PC_LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIRS}
+)
+find_library(LIBNGTCP2_CRYPTO_OSSL_LIBRARY
+  NAMES ngtcp2_crypto_ossl
+  HINTS ${PC_LIBNGTCP2_CRYPTO_OSSL_LIBRARY_DIRS}
+)
+
+if(LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIR}/ngtcp2/version.h"
+    LIBNGTCP2_CRYPTO_OSSL_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBNGTCP2_CRYPTO_OSSL_VERSION "${LIBNGTCP2_CRYPTO_OSSL_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set
+# LIBNGTCP2_CRYPTO_OSSL_FOUND to TRUE if all listed variables are
+# TRUE and the requested version matches.
+find_package_handle_standard_args(Libngtcp2_crypto_ossl REQUIRED_VARS
+                                  LIBNGTCP2_CRYPTO_OSSL_LIBRARY
+                                  LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIR
+                                  VERSION_VAR LIBNGTCP2_CRYPTO_OSSL_VERSION)
+
+if(LIBNGTCP2_CRYPTO_OSSL_FOUND)
+  set(LIBNGTCP2_CRYPTO_OSSL_LIBRARIES ${LIBNGTCP2_CRYPTO_OSSL_LIBRARY})
+  set(LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIRS ${LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBNGTCP2_CRYPTO_OSSL_INCLUDE_DIR
+                 LIBNGTCP2_CRYPTO_OSSL_LIBRARY)

cmake/FindLibngtcp2_crypto_quictls.cmake

@@ -0,0 +1,43 @@
+# - 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/FindLibngtcp2_crypto_wolfssl.cmake

@@ -0,0 +1,43 @@
+# - Try to find libngtcp2_crypto_wolfssl
+# Once done this will define
+#  LIBNGTCP2_CRYPTO_WOLFSSL_FOUND        - System has libngtcp2_crypto_wolfssl
+#  LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIRS - The libngtcp2_crypto_wolfssl include directories
+#  LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARIES    - The libraries needed to use libngtcp2_crypto_wolfssl
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBNGTCP2_CRYPTO_WOLFSSL QUIET libngtcp2_crypto_wolfssl)
+
+find_path(LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIR
+  NAMES ngtcp2/ngtcp2_crypto_wolfssl.h
+  HINTS ${PC_LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIRS}
+)
+find_library(LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARY
+  NAMES ngtcp2_crypto_wolfssl
+  HINTS ${PC_LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARY_DIRS}
+)
+
+if(LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIR}/ngtcp2/version.h"
+    LIBNGTCP2_CRYPTO_WOLFSSL_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBNGTCP2_CRYPTO_WOLFSSL_VERSION "${LIBNGTCP2_CRYPTO_WOLFSSL_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set
+# LIBNGTCP2_CRYPTO_WOLFSSL_FOUND to TRUE if all listed variables are
+# TRUE and the requested version matches.
+find_package_handle_standard_args(Libngtcp2_crypto_wolfssl REQUIRED_VARS
+                                  LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARY
+                                  LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIR
+                                  VERSION_VAR LIBNGTCP2_CRYPTO_WOLFSSL_VERSION)
+
+if(LIBNGTCP2_CRYPTO_WOLFSSL_FOUND)
+  set(LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARIES ${LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARY})
+  set(LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIRS ${LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBNGTCP2_CRYPTO_WOLFSSL_INCLUDE_DIR
+                 LIBNGTCP2_CRYPTO_WOLFSSL_LIBRARY)

cmake/FindSystemd.cmake

@@ -0,0 +1,19 @@
+# - 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/FindWolfSSL.cmake

@@ -0,0 +1,41 @@
+# - Try to find wolfssl
+# Once done this will define
+#  WOLFSSL_FOUND        - System has wolfssl
+#  WOLFSSL_INCLUDE_DIRS - The wolfssl include directories
+#  WOLFSSL_LIBRARIES    - The libraries needed to use wolfssl
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_WOLFSSL QUIET wolfssl)
+
+find_path(WOLFSSL_INCLUDE_DIR
+  NAMES wolfssl/ssl.h
+  HINTS ${PC_WOLFSSL_INCLUDE_DIRS}
+)
+find_library(WOLFSSL_LIBRARY
+  NAMES wolfssl
+  HINTS ${PC_WOLFSSL_LIBRARY_DIRS}
+)
+
+if(WOLFSSL_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+LIBWOLFSSL_VERSION_STRING[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${WOLFSSL_INCLUDE_DIR}/wolfssl/version.h"
+    WOLFSSL_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    WOLFSSL_VERSION "${WOLFSSL_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set WOLFSSL_FOUND
+# to TRUE if all listed variables are TRUE and the requested version
+# matches.
+find_package_handle_standard_args(WolfSSL REQUIRED_VARS
+                                  WOLFSSL_LIBRARY WOLFSSL_INCLUDE_DIR
+                                  VERSION_VAR WOLFSSL_VERSION)
+
+if(WOLFSSL_FOUND)
+  set(WOLFSSL_LIBRARIES     ${WOLFSSL_LIBRARY})
+  set(WOLFSSL_INCLUDE_DIRS  ${WOLFSSL_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(WOLFSSL_INCLUDE_DIR WOLFSSL_LIBRARY)

cmake/PickyWarningsC.cmake

@@ -0,0 +1,162 @@
+# 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-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

@@ -0,0 +1,121 @@
+# 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}
+    )
+    list(APPEND WPICKY_ENABLE
+      # clang++-18 warns this when building with wolfSSL >= v5.7.6-stable.
+      -Wno-extern-c-compat
+    )
+    # 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()

cmake/Version.cmake

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

cmakeconfig.h.in

@@ -0,0 +1,116 @@
+/* Hint to the compiler that a function never returns */
+#define NGHTTP2_NORETURN @HINT_NORETURN@
+
+/* Define to `int' if <sys/types.h> does not define. */
+#cmakedefine ssize_t @ssize_t@
+
+/* Define to 1 if you have the `std::chrono::time_zone`. */
+#cmakedefine HAVE_STD_CHRONO_TIME_ZONE 1
+
+/* Define to 1 if you have `libjansson` library. */
+#cmakedefine HAVE_JANSSON 1
+
+/* Define to 1 if you have `libxml2` library. */
+#cmakedefine HAVE_LIBXML2 1
+
+/* Define to 1 if you have `mruby` library. */
+#cmakedefine HAVE_MRUBY 1
+
+/* Define to 1 if you have `neverbleed` library. */
+#cmakedefine HAVE_NEVERBLEED 1
+
+/* Define to 1 if you have the `_Exit` function. */
+#cmakedefine HAVE__EXIT 1
+
+/* Define to 1 if you have the `accept4` function. */
+#cmakedefine HAVE_ACCEPT4 1
+
+/* Define to 1 if you have the `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 `pipe2` function. */
+#cmakedefine HAVE_PIPE2 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
+
+/* Define to 1 if you have the `CLOCK_MONOTONIC` defined. */
+#cmakedefine01 HAVE_DECL_CLOCK_MONOTONIC
+
+/* Define to 1 to enable debug output. */
+#cmakedefine DEBUGBUILD 1
+
+/* Define to 1 if you want to disable threads. */
+#cmakedefine NOTHREADS 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#cmakedefine HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#cmakedefine HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#cmakedefine HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#cmakedefine HAVE_LIMITS_H 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#cmakedefine HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#cmakedefine HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <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
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#cmakedefine HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#cmakedefine HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#cmakedefine HAVE_SYSLOG_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the <windows.h> header file. */
+#cmakedefine HAVE_WINDOWS_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 `libngtcp2_crypto_libressl` library. */
+#cmakedefine HAVE_LIBNGTCP2_CRYPTO_LIBRESSL
+
+/* Define to 1 if you have `libngtcp2_crypto_wolfssl` library. */
+#cmakedefine HAVE_LIBNGTCP2_CRYPTO_WOLFSSL 1
+
+/* Define to 1 if you have `libev` library. */
+#cmakedefine HAVE_LIBEV 1
+
+/* Define to 1 if you have `libbrotlienc` and `libbrotlidec` libraries. */
+#cmakedefine HAVE_LIBBROTLI 1
+
+/* Define to 1 if you have `wolfssl` library. */
+#cmakedefine HAVE_WOLFSSL 1

contrib/.gitignore

@@ -1 +1,3 @@
 nghttpx-init
+nghttpx.service
+nghttpx-upstart.conf

contrib/CMakeLists.txt

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

contrib/Makefile.am

@@ -21,19 +21,31 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-EXTRA_DIST = nghttpx-init.in nghttpx-logrotate
+configfiles = nghttpx-init nghttpx.service nghttpx-upstart.conf
+
+EXTRA_DIST = \
+	CMakeLists.txt \
+	$(configfiles:%=%.in) \
+	nghttpx-logrotate \
+	tlsticketupdate.go
 
 edit = sed -e 's|@bindir[@]|$(bindir)|g'
 
-nghttpx-init: Makefile
+nghttpx-init: $(srcdir)/nghttpx-init.in
 	rm -f $@ $@.tmp
-	$(edit) $(srcdir)/$@.in > $@.tmp
+	$(edit) $< > $@.tmp
 	chmod +x $@.tmp
 	mv $@.tmp $@
 
-nghttpx-init: $(srcdir)/nghttpx-init.in
+nghttpx.service: $(srcdir)/nghttpx.service.in
+	$(edit) $< > $@
 
-all-local: nghttpx-init
+nghttpx-upstart.conf: $(srcdir)/nghttpx-upstart.conf.in
+	$(edit) $< > $@
+
+$(configfiles): Makefile
+
+all-local: $(configfiles)
 
 clean-local:
-	-rm -f nghttpx-init nghttpx-init.tmp
+	-rm -f nghttpx-init.tmp $(configfiles)

contrib/nghttpx-init.in

@@ -20,7 +20,7 @@ NAME=nghttpx
 # Depending on the configuration, binary may be located under @sbindir@
 DAEMON=@bindir@/$NAME
 PIDFILE=/var/run/$NAME.pid
-DAEMON_ARGS="--conf /etc/nghttpx/nghttpx.conf --pid-file=$PIDFILE"
+DAEMON_ARGS="--conf /etc/nghttpx/nghttpx.conf --pid-file=$PIDFILE --daemon"
 SCRIPTNAME=/etc/init.d/$NAME
 
 # Exit if the package is not installed
@@ -83,19 +83,6 @@ do_stop()
 	return "$RETVAL"
 }
 
-#
-# Function that sends a SIGHUP to the daemon/service
-#
-do_reload() {
-	#
-	# If the daemon can reload its configuration without
-	# restarting (for example, when it is sent a SIGHUP),
-	# then implement that here.
-	#
-	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
-	return 0
-}
-
 case "$1" in
   start)
 	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
@@ -114,34 +101,38 @@ case "$1" in
 	esac
 	;;
   status)
-       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
+	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
-       ;;
+	;;
   upgrade)
-        log_daemon_msg "Upgrade $DESC" "$NAME"
+	log_daemon_msg "Upgrading $DESC" "$NAME"
-        pid=`pidofproc -p $PIDFILE $NAME`
+	oldpid=`pidofproc -p $PIDFILE $NAME`
-        case "$?" in
+	case "$?" in
-                0) echo "Sending USR2 signal to $pid"
+		0)
-                   kill -USR2 $pid
+			log_progress_msg "Sending SIGUSR2 to $oldpid..."
-                   echo "Waiting for new binary..."
+			kill -USR2 $oldpid
-                   sleep 5
+			log_progress_msg "Waiting for new binary..."
-                   echo "Sending QUIT signal to $pid"
+			for i in 1 2 3 4 5 ; do
-                   kill -QUIT $pid
+				sleep 1
-                   log_end_msg 0
+				newpid=`pidofproc -p $PIDFILE $NAME`
-                   ;;
+				if [ "$newpid" != "$oldpid" ] ; then
-                *) echo "pidofproc() failed"
+					break
-                   log_end_msg 1
+				fi
-                   ;;
+			done
-        esac
+			if [ "$newpid" != "$oldpid" ] ; then
-        ;;
+				log_progress_msg "Sending SIGQUIT to $oldpid..."
-  #reload|force-reload)
+				kill -QUIT $oldpid
-	#
+				log_end_msg 0
-	# If do_reload() is not implemented then leave this commented out
+			else
-	# and leave 'force-reload' as an alias for 'restart'.
+				log_progress_msg "New binary failed to start"
-	#
+				log_end_msg 1
-	#log_daemon_msg "Reloading $DESC" "$NAME"
+			fi
-	#do_reload
+			;;
-	#log_end_msg $?
+		*)
-	#;;
+			log_progress_msg "pidofproc() failed"
+			log_end_msg 1
+		;;
+	esac
+	;;
   restart|force-reload)
 	#
 	# If the "reload" option is implemented then remove the

contrib/nghttpx-logrotate

@@ -1,18 +1,11 @@
 /var/log/nghttpx/*.log {
-        weekly
+  weekly
-        missingok
+  rotate 52
-        rotate 52
+  missingok
-        compress
+  compress
-        delaycompress
+  delaycompress
-        notifempty
+  notifempty
-        create 0640 www-data adm
+  postrotate
-        sharedscripts
+    [ -s /var/run/nghttpx.pid ] && kill -USR1 `cat /var/run/nghttpx.pid` 2> /dev/null || true
-        prerotate
+  endscript
-                if [ -d /etc/logrotate.d/httpd-prerotate ]; then \
-                        run-parts /etc/logrotate.d/httpd-prerotate; \
-                fi \
-        endscript
-        postrotate
-                [ -s /run/nghttpx.pid ] && kill -USR1 `cat /run/nghttpx.pid`
-        endscript
 }

contrib/nghttpx-upstart.conf.in

@@ -0,0 +1,8 @@
+# vim: ft=upstart:
+
+description "HTTP/2 reverse proxy"
+
+start on runlevel [2]
+stop on runlevel [016]
+
+exec @bindir@/nghttpx

contrib/nghttpx.service.in

@@ -0,0 +1,17 @@
+[Unit]
+Description=HTTP/2 proxy
+Documentation=man:nghttpx
+After=network.target
+
+[Service]
+Type=notify
+ExecStart=@bindir@/nghttpx --conf=/etc/nghttpx/nghttpx.conf
+ExecReload=/bin/kill --signal HUP $MAINPID
+KillSignal=SIGQUIT
+PrivateTmp=yes
+ProtectHome=yes
+ProtectSystem=full
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

contrib/tlsticketupdate.go

@@ -0,0 +1,112 @@
+//
+// nghttp2 - HTTP/2 C Library
+//
+// Copyright (c) 2015 Tatsuhiro Tsujikawa
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+package main
+
+import (
+	"bytes"
+	"crypto/rand"
+	"encoding/binary"
+	"flag"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/bradfitz/gomemcache/memcache"
+)
+
+func makeKey(len int) []byte {
+	b := make([]byte, len)
+	if _, err := rand.Read(b); err != nil {
+		log.Fatalf("rand.Read: %v", err)
+	}
+	return b
+}
+
+func main() {
+	var host = flag.String("host", "127.0.0.1", "memcached host")
+	var port = flag.Int("port", 11211, "memcached port")
+	var cipher = flag.String("cipher", "aes-128-cbc", "cipher for TLS ticket encryption")
+	var interval = flag.Int("interval", 3600, "interval to update TLS ticket keys")
+
+	flag.Parse()
+
+	var keylen int
+	switch *cipher {
+	case "aes-128-cbc":
+		keylen = 48
+	case "aes-256-cbc":
+		keylen = 80
+	default:
+		log.Fatalf("cipher: unknown cipher %v", cipher)
+	}
+
+	mc := memcache.New(fmt.Sprintf("%v:%v", *host, *port))
+
+	keys := [][]byte{
+		makeKey(keylen), // current encryption key
+		makeKey(keylen), // next encryption key; now decryption only
+	}
+
+	for {
+		buf := new(bytes.Buffer)
+		if err := binary.Write(buf, binary.BigEndian, uint32(1)); err != nil {
+			log.Fatalf("failed to write version: %v", err)
+		}
+
+		for _, key := range keys {
+			if err := binary.Write(buf, binary.BigEndian, uint16(keylen)); err != nil {
+				log.Fatalf("failed to write length: %v", err)
+			}
+			if _, err := buf.Write(key); err != nil {
+				log.Fatalf("buf.Write: %v", err)
+			}
+		}
+
+		mc.Set(&memcache.Item{
+			Key:        "nghttpx:tls-ticket-key",
+			Value:      buf.Bytes(),
+			Expiration: int32((*interval) + 300),
+		})
+
+		<-time.After(time.Duration(*interval) * time.Second)
+
+		// rotate keys.  the last key is now encryption key.
+		// generate new key and append it to the last, so that
+		// we can at least decrypt TLS ticket encrypted by new
+		// key on the host which does not get new key yet.
+		// keep at most past 11 keys as decryption only key
+		n := len(keys) + 1
+		if n > 13 {
+			n = 13
+		}
+		newKeys := make([][]byte, n)
+		newKeys[0] = keys[len(keys)-1]
+		copy(newKeys[1:], keys[0:n-2])
+		newKeys[n-1] = makeKey(keylen)
+
+		keys = newKeys
+	}
+
+}

contrib/usr.sbin.nghttpx

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

doc/.gitignore

@@ -1,15 +1,11 @@
 # 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
@@ -17,7 +13,6 @@ 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

@@ -0,0 +1,352 @@
+# Generated documents
+set(APIDOCS
+  macros.rst
+  enums.rst
+  types.rst
+  nghttp2_check_header_name.rst
+  nghttp2_check_header_value.rst
+  nghttp2_hd_deflate_bound.rst
+  nghttp2_hd_deflate_change_table_size.rst
+  nghttp2_hd_deflate_del.rst
+  nghttp2_hd_deflate_get_dynamic_table_size.rst
+  nghttp2_hd_deflate_get_max_dynamic_table_size.rst
+  nghttp2_hd_deflate_get_num_table_entries.rst
+  nghttp2_hd_deflate_get_table_entry.rst
+  nghttp2_hd_deflate_hd.rst
+  nghttp2_hd_deflate_hd_vec.rst
+  nghttp2_hd_deflate_new.rst
+  nghttp2_hd_deflate_new2.rst
+  nghttp2_hd_inflate_change_table_size.rst
+  nghttp2_hd_inflate_del.rst
+  nghttp2_hd_inflate_end_headers.rst
+  nghttp2_hd_inflate_get_dynamic_table_size.rst
+  nghttp2_hd_inflate_get_max_dynamic_table_size.rst
+  nghttp2_hd_inflate_get_num_table_entries.rst
+  nghttp2_hd_inflate_get_table_entry.rst
+  nghttp2_hd_inflate_hd.rst
+  nghttp2_hd_inflate_hd2.rst
+  nghttp2_hd_inflate_new.rst
+  nghttp2_hd_inflate_new2.rst
+  nghttp2_http2_strerror.rst
+  nghttp2_is_fatal.rst
+  nghttp2_nv_compare_name.rst
+  nghttp2_option_del.rst
+  nghttp2_option_new.rst
+  nghttp2_option_set_builtin_recv_extension_type.rst
+  nghttp2_option_set_max_deflate_dynamic_table_size.rst
+  nghttp2_option_set_max_reserved_remote_streams.rst
+  nghttp2_option_set_max_send_header_block_length.rst
+  nghttp2_option_set_no_auto_ping_ack.rst
+  nghttp2_option_set_no_auto_window_update.rst
+  nghttp2_option_set_no_http_messaging.rst
+  nghttp2_option_set_no_recv_client_magic.rst
+  nghttp2_option_set_peer_max_concurrent_streams.rst
+  nghttp2_option_set_user_recv_extension_type.rst
+  nghttp2_option_set_max_settings.rst
+  nghttp2_pack_settings_payload.rst
+  nghttp2_priority_spec_check_default.rst
+  nghttp2_priority_spec_default_init.rst
+  nghttp2_priority_spec_init.rst
+  nghttp2_rcbuf_decref.rst
+  nghttp2_rcbuf_get_buf.rst
+  nghttp2_rcbuf_incref.rst
+  nghttp2_rcbuf_is_static.rst
+  nghttp2_select_next_protocol.rst
+  nghttp2_session_callbacks_del.rst
+  nghttp2_session_callbacks_new.rst
+  nghttp2_session_callbacks_set_before_frame_send_callback.rst
+  nghttp2_session_callbacks_set_data_source_read_length_callback.rst
+  nghttp2_session_callbacks_set_error_callback.rst
+  nghttp2_session_callbacks_set_on_begin_frame_callback.rst
+  nghttp2_session_callbacks_set_on_begin_headers_callback.rst
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback.rst
+  nghttp2_session_callbacks_set_on_extension_chunk_recv_callback.rst
+  nghttp2_session_callbacks_set_on_frame_not_send_callback.rst
+  nghttp2_session_callbacks_set_on_frame_recv_callback.rst
+  nghttp2_session_callbacks_set_on_frame_send_callback.rst
+  nghttp2_session_callbacks_set_on_header_callback.rst
+  nghttp2_session_callbacks_set_on_header_callback2.rst
+  nghttp2_session_callbacks_set_on_invalid_frame_recv_callback.rst
+  nghttp2_session_callbacks_set_on_invalid_header_callback.rst
+  nghttp2_session_callbacks_set_on_invalid_header_callback2.rst
+  nghttp2_session_callbacks_set_on_stream_close_callback.rst
+  nghttp2_session_callbacks_set_pack_extension_callback.rst
+  nghttp2_session_callbacks_set_recv_callback.rst
+  nghttp2_session_callbacks_set_select_padding_callback.rst
+  nghttp2_session_callbacks_set_send_callback.rst
+  nghttp2_session_callbacks_set_send_data_callback.rst
+  nghttp2_session_callbacks_set_unpack_extension_callback.rst
+  nghttp2_session_change_stream_priority.rst
+  nghttp2_session_check_request_allowed.rst
+  nghttp2_session_check_server_session.rst
+  nghttp2_session_client_new.rst
+  nghttp2_session_client_new2.rst
+  nghttp2_session_client_new3.rst
+  nghttp2_session_consume.rst
+  nghttp2_session_consume_connection.rst
+  nghttp2_session_consume_stream.rst
+  nghttp2_session_create_idle_stream.rst
+  nghttp2_session_del.rst
+  nghttp2_session_find_stream.rst
+  nghttp2_session_get_effective_local_window_size.rst
+  nghttp2_session_get_effective_recv_data_length.rst
+  nghttp2_session_get_hd_deflate_dynamic_table_size.rst
+  nghttp2_session_get_hd_inflate_dynamic_table_size.rst
+  nghttp2_session_get_last_proc_stream_id.rst
+  nghttp2_session_get_local_settings.rst
+  nghttp2_session_get_local_window_size.rst
+  nghttp2_session_get_next_stream_id.rst
+  nghttp2_session_get_outbound_queue_size.rst
+  nghttp2_session_get_remote_settings.rst
+  nghttp2_session_get_remote_window_size.rst
+  nghttp2_session_get_root_stream.rst
+  nghttp2_session_get_stream_effective_local_window_size.rst
+  nghttp2_session_get_stream_effective_recv_data_length.rst
+  nghttp2_session_get_stream_local_close.rst
+  nghttp2_session_get_stream_local_window_size.rst
+  nghttp2_session_get_stream_remote_close.rst
+  nghttp2_session_get_stream_remote_window_size.rst
+  nghttp2_session_get_stream_user_data.rst
+  nghttp2_session_mem_recv.rst
+  nghttp2_session_mem_send.rst
+  nghttp2_session_recv.rst
+  nghttp2_session_resume_data.rst
+  nghttp2_session_send.rst
+  nghttp2_session_server_new.rst
+  nghttp2_session_server_new2.rst
+  nghttp2_session_server_new3.rst
+  nghttp2_session_set_local_window_size.rst
+  nghttp2_session_set_next_stream_id.rst
+  nghttp2_session_set_stream_user_data.rst
+  nghttp2_session_terminate_session.rst
+  nghttp2_session_terminate_session2.rst
+  nghttp2_session_upgrade.rst
+  nghttp2_session_upgrade2.rst
+  nghttp2_session_want_read.rst
+  nghttp2_session_want_write.rst
+  nghttp2_set_debug_vprintf_callback.rst
+  nghttp2_stream_get_first_child.rst
+  nghttp2_stream_get_next_sibling.rst
+  nghttp2_stream_get_parent.rst
+  nghttp2_stream_get_previous_sibling.rst
+  nghttp2_stream_get_state.rst
+  nghttp2_stream_get_sum_dependency_weight.rst
+  nghttp2_stream_get_weight.rst
+  nghttp2_strerror.rst
+  nghttp2_submit_altsvc.rst
+  nghttp2_submit_data.rst
+  nghttp2_submit_extension.rst
+  nghttp2_submit_goaway.rst
+  nghttp2_submit_headers.rst
+  nghttp2_submit_ping.rst
+  nghttp2_submit_priority.rst
+  nghttp2_submit_push_promise.rst
+  nghttp2_submit_request.rst
+  nghttp2_submit_response.rst
+  nghttp2_submit_rst_stream.rst
+  nghttp2_submit_settings.rst
+  nghttp2_submit_shutdown_notice.rst
+  nghttp2_submit_trailer.rst
+  nghttp2_submit_window_update.rst
+  nghttp2_version.rst
+)
+
+set(MAN_PAGES
+  nghttp.1
+  nghttpd.1
+  nghttpx.1
+  h2load.1
+)
+
+# Other .rst files from the source tree that need to be copied
+# XXX move them to sources/ and create .in files?
+set(RST_FILES
+  README.rst
+  programmers-guide.rst
+  nghttp.1.rst
+  nghttpd.1.rst
+  nghttpx.1.rst
+  h2load.1.rst
+)
+
+# XXX unused for now
+set(EXTRA_DIST
+  mkapiref.py
+  ${RST_FILES}
+  ${APIDOCS}
+  sources/index.rst
+  sources/tutorial-client.rst
+  sources/tutorial-server.rst
+  sources/tutorial-hpack.rst
+  sources/nghttpx-howto.rst
+  sources/h2load-howto.rst
+  sources/building-android-binary.rst
+  sources/contribute.rst
+  _exts/rubydomain/LICENSE.rubydomain
+  _exts/rubydomain/__init__.py
+  _exts/rubydomain/rubydomain.py
+  _themes/sphinx_rtd_theme/__init__.py
+  _themes/sphinx_rtd_theme/breadcrumbs.html
+  _themes/sphinx_rtd_theme/footer.html
+  _themes/sphinx_rtd_theme/layout.html
+  _themes/sphinx_rtd_theme/layout_old.html
+  _themes/sphinx_rtd_theme/search.html
+  _themes/sphinx_rtd_theme/searchbox.html
+  _themes/sphinx_rtd_theme/static/css/badge_only.css
+  _themes/sphinx_rtd_theme/static/css/theme.css
+  _themes/sphinx_rtd_theme/static/fonts/FontAwesome.otf
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.eot
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.svg
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.woff
+  _themes/sphinx_rtd_theme/static/js/theme.js
+  _themes/sphinx_rtd_theme/theme.conf
+  _themes/sphinx_rtd_theme/versions.html
+  ${MAN_PAGES}
+  bash_completion/nghttp
+  bash_completion/nghttpd
+  bash_completion/nghttpx
+  bash_completion/h2load
+)
+
+# Based on Makefile for Sphinx documentation
+
+# You can set these variables from the command line.
+set(SPHINXOPTS)
+set(SPHINXBUILD sphinx-build)
+set(PAPER)
+set(BUILDDIR    manual)
+
+# Internal variables.
+set(PAPEROPT_a4     -D latex_paper_size=a4)
+set(PAPEROPT_letter -D latex_paper_size=letter)
+set(ALLSPHINXOPTS   -d ${BUILDDIR}/doctrees ${PAPEROPT_${PAPER}} ${SPHINXOPTS} .)
+
+# "Please use `make <target>' where <target> is one of"
+# "  html       to make standalone HTML files"
+# "  dirhtml    to make HTML files named index.html in directories"
+# "  singlehtml to make a single large HTML file"
+# "  pickle     to make pickle files"
+# "  json       to make JSON files"
+# "  htmlhelp   to make HTML files and a HTML help project"
+# "  qthelp     to make HTML files and a qthelp project"
+# "  devhelp    to make HTML files and a Devhelp project"
+# "  epub       to make an epub"
+# "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+# "  latexpdf   to make LaTeX files and run them through pdflatex"
+# "  text       to make text files"
+# "  man        to make manual pages"
+# "  changes    to make an overview of all changed/added/deprecated items"
+# "  linkcheck  to check all external links for integrity"
+# "  doctest    to run all doctests embedded in the documentation (if enabled)"
+
+
+# Copy files for out-of-tree builds
+if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
+  set(RST_BUILD_FILES)
+  foreach(rstfile IN LISTS RST_FILES)
+    set(outfile "${CMAKE_CURRENT_BINARY_DIR}/${rstfile}")
+    add_custom_command(OUTPUT "${outfile}"
+      COMMAND ${CMAKE_COMMAND} -E copy
+              "${CMAKE_CURRENT_SOURCE_DIR}/${rstfile}" "${outfile}"
+      DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${rstfile}"
+    )
+    list(APPEND RST_BUILD_FILES "${outfile}")
+  endforeach()
+else()
+  set(RST_BUILD_FILES "${RST_FILES}")
+endif()
+
+set(apiref_SOURCES
+  ${CMAKE_BINARY_DIR}/lib/includes/nghttp2/nghttp2ver.h
+  ${CMAKE_SOURCE_DIR}/lib/includes/nghttp2/nghttp2.h
+)
+# Generates apiref.rst and other files
+add_custom_command(
+  OUTPUT
+    apiref.rst
+    ${APIDOCS}
+  COMMAND
+    "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/mkapiref.py"
+    apiref.rst macros.rst enums.rst types.rst .
+    ${apiref_SOURCES}
+  DEPENDS
+    ${RST_BUILD_FILES}
+    ${apiref_SOURCES}
+)
+
+
+
+set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${BUILDDIR}")
+
+# Invokes sphinx-build and prints the given messages when completed
+function(sphinxbuild builder)
+  set(echo_commands)
+  foreach(message IN LISTS ARGN)
+    list(APPEND echo_commands COMMAND ${CMAKE_COMMAND} -E echo "${message}")
+  endforeach()
+  add_custom_target(${builder}
+    COMMAND "${SPHINXBUILD}" -b ${builder} ${ALLSPHINXOPTS} "${BUILDDIR}/${builder}"
+    COMMAND ${CMAKE_COMMAND} -E echo
+    ${echo_commands}
+    VERBATIM
+    DEPENDS apiref.rst
+  )
+endfunction()
+
+foreach(builder html dirhtml singlehtml)
+  sphinxbuild(${builder}
+    "Build finished. The HTML pages are in ${BUILDDIR}/${builder}.")
+endforeach()
+sphinxbuild(pickle  "Build finished; now you can process the pickle files.")
+sphinxbuild(json    "Build finished; now you can process the JSON files.")
+sphinxbuild(htmlhelp
+  "Build finished; now you can run HTML Help Workshop with the"
+  ".hhp project file in ${BUILDDIR}/htmlhelp."
+)
+sphinxbuild(qthelp
+  "Build finished; now you can run \"qcollectiongenerator\" with the"
+  ".qhcp project file in ${BUILDDIR}/qthelp, like this:"
+  "# qcollectiongenerator ${BUILDDIR}/qthelp/nghttp2.qhcp"
+  "To view the help file:"
+  "# assistant -collectionFile ${BUILDDIR}/qthelp/nghttp2.qhc"
+)
+sphinxbuild(devhelp
+  "Build finished."
+  "To view the help file:"
+  "# mkdir -p ~/.local/share/devhelp/nghttp2"
+  "# ln -s ${BUILDDIR}/devhelp ~/.local/share/devhelp/nghttp2"
+  "# devhelp"
+)
+sphinxbuild(epub    "Build finished. The epub file is in ${BUILDDIR}/epub.")
+sphinxbuild(latex
+  "Build finished; the LaTeX files are in ${BUILDDIR}/latex."
+  "Run `make' in that directory to run these through (pdf)latex"
+  "(use `make latexpdf' here to do that automatically)."
+)
+
+# Invoke the Makefile generated by sphinx
+add_custom_target(latexpdf
+  COMMAND ${CMAKE_COMMAND} -E echo "Running LaTeX files through pdflatex..."
+  COMMAND make -C "${BUILDDIR}/latex" all-pdf
+  COMMAND ${CMAKE_COMMAND} -E echo "pdflatex finished; the PDF files are in ${BUILDDIR}/latex."
+  DEPENDS latex
+)
+
+sphinxbuild(text    "Build finished. The text files are in ${BUILDDIR}/text.")
+sphinxbuild(man     "Build finished. The manual pages are in ${BUILDDIR}/man.")
+sphinxbuild(changes "The overview file is in ${BUILDDIR}/changes.")
+sphinxbuild(linkcheck
+  "Link check complete; look for any errors in the above output"
+  "or in ${BUILDDIR}/linkcheck/output.txt."
+)
+sphinxbuild(doctest
+  "Testing of doctests in the sources finished, look at the"
+  "results in ${BUILDDIR}/doctest/output.txt."
+)
+
+foreach(_man_page IN LISTS MAN_PAGES)
+  install(FILES ${_man_page}
+    DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
+  )
+endforeach()

doc/Makefile.am

@@ -24,99 +24,183 @@
 man_MANS = nghttp.1 nghttpd.1 nghttpx.1 h2load.1
 
 APIDOCS= \
-	apiref.rst \
 	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_extpri_parse_priority.rst \
 	nghttp2_hd_deflate_bound.rst \
 	nghttp2_hd_deflate_change_table_size.rst \
 	nghttp2_hd_deflate_del.rst \
+	nghttp2_hd_deflate_get_dynamic_table_size.rst \
+	nghttp2_hd_deflate_get_max_dynamic_table_size.rst \
+	nghttp2_hd_deflate_get_num_table_entries.rst \
+	nghttp2_hd_deflate_get_table_entry.rst \
 	nghttp2_hd_deflate_hd.rst \
+	nghttp2_hd_deflate_hd2.rst \
+	nghttp2_hd_deflate_hd_vec.rst \
+	nghttp2_hd_deflate_hd_vec2.rst \
 	nghttp2_hd_deflate_new.rst \
 	nghttp2_hd_deflate_new2.rst \
 	nghttp2_hd_inflate_change_table_size.rst \
 	nghttp2_hd_inflate_del.rst \
 	nghttp2_hd_inflate_end_headers.rst \
+	nghttp2_hd_inflate_get_dynamic_table_size.rst \
+	nghttp2_hd_inflate_get_max_dynamic_table_size.rst \
+	nghttp2_hd_inflate_get_num_table_entries.rst \
+	nghttp2_hd_inflate_get_table_entry.rst \
 	nghttp2_hd_inflate_hd.rst \
+	nghttp2_hd_inflate_hd2.rst \
+	nghttp2_hd_inflate_hd3.rst \
 	nghttp2_hd_inflate_new.rst \
 	nghttp2_hd_inflate_new2.rst \
+	nghttp2_http2_strerror.rst \
 	nghttp2_is_fatal.rst \
 	nghttp2_nv_compare_name.rst \
 	nghttp2_option_del.rst \
 	nghttp2_option_new.rst \
+	nghttp2_option_set_builtin_recv_extension_type.rst \
+	nghttp2_option_set_max_deflate_dynamic_table_size.rst \
+	nghttp2_option_set_max_reserved_remote_streams.rst \
+	nghttp2_option_set_max_send_header_block_length.rst \
+	nghttp2_option_set_no_auto_ping_ack.rst \
 	nghttp2_option_set_no_auto_window_update.rst \
+	nghttp2_option_set_no_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_recv_client_preface.rst \
+	nghttp2_option_set_server_fallback_rfc7540_priorities.rst \
+	nghttp2_option_set_user_recv_extension_type.rst \
+	nghttp2_option_set_max_continuations.rst \
+	nghttp2_option_set_max_outbound_ack.rst \
+	nghttp2_option_set_max_settings.rst \
+	nghttp2_option_set_stream_reset_rate_limit.rst \
+	nghttp2_option_set_glitch_rate_limit.rst \
 	nghttp2_pack_settings_payload.rst \
+	nghttp2_pack_settings_payload2.rst \
 	nghttp2_priority_spec_check_default.rst \
 	nghttp2_priority_spec_default_init.rst \
 	nghttp2_priority_spec_init.rst \
+	nghttp2_rcbuf_decref.rst \
+	nghttp2_rcbuf_get_buf.rst \
+	nghttp2_rcbuf_incref.rst \
+	nghttp2_rcbuf_is_static.rst \
 	nghttp2_select_next_protocol.rst \
+	nghttp2_select_alpn.rst \
 	nghttp2_session_callbacks_del.rst \
 	nghttp2_session_callbacks_new.rst \
 	nghttp2_session_callbacks_set_before_frame_send_callback.rst \
 	nghttp2_session_callbacks_set_data_source_read_length_callback.rst \
+	nghttp2_session_callbacks_set_data_source_read_length_callback2.rst \
+	nghttp2_session_callbacks_set_error_callback.rst \
+	nghttp2_session_callbacks_set_error_callback2.rst \
 	nghttp2_session_callbacks_set_on_begin_frame_callback.rst \
 	nghttp2_session_callbacks_set_on_begin_headers_callback.rst \
 	nghttp2_session_callbacks_set_on_data_chunk_recv_callback.rst \
+	nghttp2_session_callbacks_set_on_extension_chunk_recv_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_not_send_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_recv_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_send_callback.rst \
 	nghttp2_session_callbacks_set_on_header_callback.rst \
+	nghttp2_session_callbacks_set_on_header_callback2.rst \
 	nghttp2_session_callbacks_set_on_invalid_frame_recv_callback.rst \
+	nghttp2_session_callbacks_set_on_invalid_header_callback.rst \
+	nghttp2_session_callbacks_set_on_invalid_header_callback2.rst \
 	nghttp2_session_callbacks_set_on_stream_close_callback.rst \
+	nghttp2_session_callbacks_set_pack_extension_callback.rst \
+	nghttp2_session_callbacks_set_pack_extension_callback2.rst \
+	nghttp2_session_callbacks_set_rand_callback.rst \
 	nghttp2_session_callbacks_set_recv_callback.rst \
+	nghttp2_session_callbacks_set_recv_callback2.rst \
 	nghttp2_session_callbacks_set_select_padding_callback.rst \
+	nghttp2_session_callbacks_set_select_padding_callback2.rst \
 	nghttp2_session_callbacks_set_send_callback.rst \
+	nghttp2_session_callbacks_set_send_callback2.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 \
 	nghttp2_session_client_new.rst \
 	nghttp2_session_client_new2.rst \
 	nghttp2_session_client_new3.rst \
 	nghttp2_session_consume.rst \
 	nghttp2_session_consume_connection.rst \
 	nghttp2_session_consume_stream.rst \
+	nghttp2_session_create_idle_stream.rst \
 	nghttp2_session_del.rst \
+	nghttp2_session_find_stream.rst \
 	nghttp2_session_get_effective_local_window_size.rst \
 	nghttp2_session_get_effective_recv_data_length.rst \
+	nghttp2_session_get_extpri_stream_priority.rst \
+	nghttp2_session_get_hd_deflate_dynamic_table_size.rst \
+	nghttp2_session_get_hd_inflate_dynamic_table_size.rst \
 	nghttp2_session_get_last_proc_stream_id.rst \
+	nghttp2_session_get_local_settings.rst \
+	nghttp2_session_get_local_window_size.rst \
 	nghttp2_session_get_next_stream_id.rst \
 	nghttp2_session_get_outbound_queue_size.rst \
 	nghttp2_session_get_remote_settings.rst \
 	nghttp2_session_get_remote_window_size.rst \
+	nghttp2_session_get_root_stream.rst \
 	nghttp2_session_get_stream_effective_local_window_size.rst \
 	nghttp2_session_get_stream_effective_recv_data_length.rst \
 	nghttp2_session_get_stream_local_close.rst \
+	nghttp2_session_get_stream_local_window_size.rst \
 	nghttp2_session_get_stream_remote_close.rst \
 	nghttp2_session_get_stream_remote_window_size.rst \
 	nghttp2_session_get_stream_user_data.rst \
 	nghttp2_session_mem_recv.rst \
+	nghttp2_session_mem_recv2.rst \
 	nghttp2_session_mem_send.rst \
+	nghttp2_session_mem_send2.rst \
 	nghttp2_session_recv.rst \
 	nghttp2_session_resume_data.rst \
 	nghttp2_session_send.rst \
 	nghttp2_session_server_new.rst \
 	nghttp2_session_server_new2.rst \
 	nghttp2_session_server_new3.rst \
+	nghttp2_session_set_local_window_size.rst \
 	nghttp2_session_set_next_stream_id.rst \
 	nghttp2_session_set_stream_user_data.rst \
+	nghttp2_session_set_user_data.rst \
 	nghttp2_session_terminate_session.rst \
 	nghttp2_session_terminate_session2.rst \
 	nghttp2_session_upgrade.rst \
+	nghttp2_session_upgrade2.rst \
 	nghttp2_session_want_read.rst \
 	nghttp2_session_want_write.rst \
+	nghttp2_set_debug_vprintf_callback.rst \
+	nghttp2_stream_get_first_child.rst \
+	nghttp2_stream_get_next_sibling.rst \
+	nghttp2_stream_get_parent.rst \
+	nghttp2_stream_get_previous_sibling.rst \
+	nghttp2_stream_get_state.rst \
+	nghttp2_stream_get_sum_dependency_weight.rst \
+	nghttp2_stream_get_weight.rst \
 	nghttp2_strerror.rst \
 	nghttp2_submit_altsvc.rst \
 	nghttp2_submit_data.rst \
+	nghttp2_submit_data2.rst \
+	nghttp2_submit_extension.rst \
 	nghttp2_submit_goaway.rst \
 	nghttp2_submit_headers.rst \
+	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_request2.rst \
 	nghttp2_submit_response.rst \
+	nghttp2_submit_response2.rst \
 	nghttp2_submit_rst_stream.rst \
 	nghttp2_submit_settings.rst \
 	nghttp2_submit_shutdown_notice.rst \
@@ -124,42 +208,30 @@ APIDOCS= \
 	nghttp2_submit_window_update.rst \
 	nghttp2_version.rst
 
-EXTRA_DIST = \
+RST_FILES = \
-	mkapiref.py \
 	README.rst \
 	programmers-guide.rst \
-	$(APIDOCS) \
 	nghttp.1.rst \
 	nghttpd.1.rst \
 	nghttpx.1.rst \
-	h2load.1.rst \
+	h2load.1.rst
+
+EXTRA_DIST = \
+	CMakeLists.txt \
+	mkapiref.py \
+	$(RST_FILES) \
+	$(APIDOCS) \
 	sources/index.rst \
 	sources/tutorial-client.rst \
 	sources/tutorial-server.rst \
 	sources/tutorial-hpack.rst \
 	sources/nghttpx-howto.rst \
 	sources/h2load-howto.rst \
-	sources/libnghttp2_asio.rst \
-	sources/python-apiref.rst \
 	sources/building-android-binary.rst \
 	sources/contribute.rst \
-	_themes/sphinx_rtd_theme/__init__.py \
+	_exts/rubydomain/LICENSE.rubydomain \
-	_themes/sphinx_rtd_theme/breadcrumbs.html \
+	_exts/rubydomain/__init__.py \
-	_themes/sphinx_rtd_theme/footer.html \
+	_exts/rubydomain/rubydomain.py \
-	_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 \
@@ -171,7 +243,7 @@ EXTRA_DIST = \
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
-SPHINXBUILD   = sphinx-build
+SPHINXBUILD   ?= sphinx-build
 PAPER         =
 BUILDDIR      = manual
 
@@ -201,30 +273,19 @@ help:
 	@echo "  linkcheck  to check all external links for integrity"
 	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
 
-apiref.rst macros.rst enums.rst types.rst: \
+apiref.rst: \
 	$(top_builddir)/lib/includes/nghttp2/nghttp2ver.h \
-	$(top_builddir)/lib/includes/nghttp2/nghttp2.h
+	$(top_srcdir)/lib/includes/nghttp2/nghttp2.h
+	for i in $(RST_FILES); do [ -e $(builddir)/$$i ] || cp $(srcdir)/$$i $(builddir); done
 	$(PYTHON) $(top_srcdir)/doc/mkapiref.py \
-	$@ macros.rst enums.rst types.rst . $^
+	apiref.rst macros.rst enums.rst types.rst . $^
 
-# Inspired by
+$(APIDOCS): apiref.rst
-# http://www.gnu.org/savannah-checkouts/gnu/automake/manual/html_node/Multiple-Outputs.html
-apidoc.stamp: $(top_builddir)/lib/includes/nghttp2/nghttp2ver.h \
-	$(top_builddir)/lib/includes/nghttp2/nghttp2.h
-	@rm -f apidoc.tmp
-	@touch apidoc.tmp
-	$(PYTHON) $(top_srcdir)/doc/mkapiref.py \
-	$@ macros.rst enums.rst types.rst . $^
-	@mv -f apidoc.tmp $@
-$(APIDOC): apidoc.stamp
-## Recover from the removal of $@
-	@if test -f $@; then :; else \
-	  rm -f apidoc.stamp; \
-	  $(MAKE) $(AM_MAKEFLAGS) apidoc.stamp; \
-	fi
 
 clean-local:
-	-rm $(APIDOCS)
+	if [ $(srcdir) != $(builddir) ]; then for i in $(RST_FILES); do rm -f $(builddir)/$$i; done fi
+	-rm -f apiref.rst
+	-rm -f $(APIDOCS)
 	-rm -rf $(BUILDDIR)/*
 
 html-local: apiref.rst

doc/README.rst

@@ -22,7 +22,7 @@ starts with ``/**``. In other words, it only processes the comment
 block starting ``/**``. The comment block must end with ``*/``. The
 ``mkapiref.py`` requires that which type of the object this comment
 block refers to.  To specify the type of the object, the next line
-must contain the so-caled action keyword.  Currently, the following
+must contain the so-called action keyword.  Currently, the following
 action keywords are supported: ``@function``, ``@functypedef``,
 ``@enum``, ``@struct`` and ``@union``. The following sections
 describes each action keyword.
@@ -68,7 +68,7 @@ The example follows::
      * Callback function invoked when |session| wants to send data to
      * remote peer.
      */
-    typedef ssize_t (*nghttp2_send_callback)
+    typedef nghttp2_ssize (*nghttp2_send_callback2)
     (nghttp2_session *session,
      const uint8_t *data, size_t length, int flags, void *user_data);
 
@@ -111,7 +111,7 @@ The example follows::
 
 ``@struct`` is used to refer to the struct. Currently, only struct
 typedefs are supported. The comment block is used for the document for
-the struct type itself.To document each member, put comment block
+the struct type itself. To document each member, put comment block
 starting with the line ``/**`` and ending with the ``*/`` just before
 the member.  When the line starts with ``}`` is encountered, the
 ``mkapiref.py`` extracts strings next to ``}`` as the name of struct.

doc/_exts/rubydomain/LICENSE.rubydomain

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

doc/_exts/rubydomain/rubydomain.py

@@ -0,0 +1,703 @@
+# -*- coding: utf-8 -*-
+"""
+    sphinx.domains.ruby
+    ~~~~~~~~~~~~~~~~~~~
+
+    The Ruby domain.
+
+    :copyright: Copyright 2010 by SHIBUKAWA Yoshiki
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from docutils import nodes
+from docutils.parsers.rst import directives
+from 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.domains import Domain, ObjType, Index
+from sphinx.directives import ObjectDescription
+from sphinx.util.nodes import make_refnode
+from sphinx.util.docfields import Field, GroupedField, TypedField
+
+# REs for Ruby signatures
+rb_sig_re = re.compile(
+    r'''^ ([\w.]*\.)?            # class name(s)
+          (\$?\w+\??!?)  \s*     # thing name
+          (?: \((.*)\)           # optional: arguments
+           (?:\s* -> \s* (.*))?  #           return annotation
+          )? $                   # and nothing more
+          ''', re.VERBOSE)
+
+rb_paramlist_re = re.compile(r'([\[\],])')  # split at '[', ']' and ','
+
+separators = {
+  'method':'#', 'attr_reader':'#', 'attr_writer':'#', 'attr_accessor':'#',
+  'function':'.', 'classmethod':'.', 'class':'::', 'module':'::',
+  'global':'', 'const':'::'}
+
+rb_separator = re.compile(r"(?:\w+)?(?:::)?(?:\.)?(?:#)?")
+
+
+def _iteritems(d):
+
+    for k in d:
+        yield k, d[k]
+
+
+def ruby_rsplit(fullname):
+    items = [item for item in rb_separator.findall(fullname)]
+    return ''.join(items[:-2]), items[-1]
+
+
+class RubyObject(ObjectDescription):
+    """
+    Description of a general Ruby object.
+    """
+    option_spec = {
+        'noindex': directives.flag,
+        'module': directives.unchanged,
+    }
+
+    doc_field_types = [
+        TypedField('parameter', label=_('Parameters'),
+                   names=('param', 'parameter', 'arg', 'argument'),
+                   typerolename='obj', typenames=('paramtype', 'type')),
+        TypedField('variable', label=_('Variables'), rolename='obj',
+                   names=('var', 'ivar', 'cvar'),
+                   typerolename='obj', typenames=('vartype',)),
+        GroupedField('exceptions', label=_('Raises'), rolename='exc',
+                     names=('raises', 'raise', 'exception', 'except'),
+                     can_collapse=True),
+        Field('returnvalue', label=_('Returns'), has_arg=False,
+              names=('returns', 'return')),
+        Field('returntype', label=_('Return type'), has_arg=False,
+              names=('rtype',)),
+    ]
+
+    def get_signature_prefix(self, sig):
+        """
+        May return a prefix to put before the object name in the signature.
+        """
+        return ''
+
+    def needs_arglist(self):
+        """
+        May return true if an empty argument list is to be generated even if
+        the document contains none.
+        """
+        return False
+
+    def handle_signature(self, sig, signode):
+        """
+        Transform a Ruby signature into RST nodes.
+        Returns (fully qualified name of the thing, classname if any).
+
+        If inside a class, the current class name is handled intelligently:
+        * it is stripped from the displayed name if present
+        * it is added to the full name (return value) if not present
+        """
+        m = rb_sig_re.match(sig)
+        if m is None:
+            raise ValueError
+        name_prefix, name, arglist, retann = m.groups()
+        if not name_prefix:
+            name_prefix = ""
+        # determine module and class name (if applicable), as well as full name
+        modname = self.options.get(
+            'module', self.env.temp_data.get('rb:module'))
+        classname = self.env.temp_data.get('rb:class')
+        if self.objtype == 'global':
+            add_module = False
+            modname = None
+            classname = None
+            fullname = name
+        elif classname:
+            add_module = False
+            if name_prefix and name_prefix.startswith(classname):
+                fullname = name_prefix + name
+                # class name is given again in the signature
+                name_prefix = name_prefix[len(classname):].lstrip('.')
+            else:
+                separator = separators[self.objtype]
+                fullname = classname + separator + name_prefix + name
+        else:
+            add_module = True
+            if name_prefix:
+                classname = name_prefix.rstrip('.')
+                fullname = name_prefix + name
+            else:
+                classname = ''
+                fullname = name
+
+        signode['module'] = modname
+        signode['class'] = self.class_name = classname
+        signode['fullname'] = fullname
+
+        sig_prefix = self.get_signature_prefix(sig)
+        if sig_prefix:
+            signode += addnodes.desc_annotation(sig_prefix, sig_prefix)
+
+        if name_prefix:
+            signode += addnodes.desc_addname(name_prefix, name_prefix)
+        # exceptions are a special case, since they are documented in the
+        # 'exceptions' module.
+        elif add_module and self.env.config.add_module_names:
+            if self.objtype == 'global':
+                nodetext = ''
+                signode += addnodes.desc_addname(nodetext, nodetext)
+            else:
+                modname = self.options.get(
+                    'module', self.env.temp_data.get('rb:module'))
+                if modname and modname != 'exceptions':
+                    nodetext = modname + separators[self.objtype]
+                    signode += addnodes.desc_addname(nodetext, nodetext)
+
+        signode += addnodes.desc_name(name, name)
+        if not arglist:
+            if self.needs_arglist():
+                # for callables, add an empty parameter list
+                signode += addnodes.desc_parameterlist()
+            if retann:
+                signode += addnodes.desc_returns(retann, retann)
+            return fullname, name_prefix
+        signode += addnodes.desc_parameterlist()
+
+        stack = [signode[-1]]
+        for token in rb_paramlist_re.split(arglist):
+            if token == '[':
+                opt = addnodes.desc_optional()
+                stack[-1] += opt
+                stack.append(opt)
+            elif token == ']':
+                try:
+                    stack.pop()
+                except IndexError:
+                    raise ValueError
+            elif not token or token == ',' or token.isspace():
+                pass
+            else:
+                token = token.strip()
+                stack[-1] += addnodes.desc_parameter(token, token)
+        if len(stack) != 1:
+            raise ValueError
+        if retann:
+            signode += addnodes.desc_returns(retann, retann)
+        return fullname, name_prefix
+
+    def get_index_text(self, modname, name):
+        """
+        Return the text for the index entry of the object.
+        """
+        raise NotImplementedError('must be implemented in subclasses')
+
+    def _is_class_member(self):
+        return self.objtype.endswith('method') or self.objtype.startswith('attr')
+
+    def add_target_and_index(self, name_cls, sig, signode):
+        if self.objtype == 'global':
+            modname = ''
+        else:
+            modname = self.options.get(
+                'module', self.env.temp_data.get('rb:module'))
+        separator = separators[self.objtype]
+        if self._is_class_member():
+            if signode['class']:
+                prefix = modname and modname + '::' or ''
+            else:
+                prefix = modname and modname + separator or ''
+        else:
+            prefix = modname and modname + separator or ''
+        fullname = prefix + name_cls[0]
+        # note target
+        if fullname not in self.state.document.ids:
+            signode['names'].append(fullname)
+            signode['ids'].append(fullname)
+            signode['first'] = (not self.names)
+            self.state.document.note_explicit_target(signode)
+            objects = self.env.domaindata['rb']['objects']
+            if fullname in objects:
+                self.env.warn(
+                    self.env.docname,
+                    'duplicate object description of %s, ' % fullname +
+                    'other instance in ' +
+                    self.env.doc2path(objects[fullname][0]),
+                    self.lineno)
+            objects[fullname] = (self.env.docname, self.objtype)
+
+        indextext = self.get_index_text(modname, name_cls)
+        if indextext:
+            self.indexnode['entries'].append(
+                _make_index('single', indextext, fullname, fullname))
+
+    def before_content(self):
+        # needed for automatic qualification of members (reset in subclasses)
+        self.clsname_set = False
+
+    def after_content(self):
+        if self.clsname_set:
+            self.env.temp_data['rb:class'] = None
+
+
+class RubyModulelevel(RubyObject):
+    """
+    Description of an object on module level (functions, data).
+    """
+
+    def needs_arglist(self):
+        return self.objtype == 'function'
+
+    def get_index_text(self, modname, name_cls):
+        if self.objtype == 'function':
+            if not modname:
+                return _('%s() (global function)') % name_cls[0]
+            return _('%s() (module function in %s)') % (name_cls[0], modname)
+        else:
+            return ''
+
+
+class RubyGloballevel(RubyObject):
+    """
+    Description of an object on module level (functions, data).
+    """
+
+    def get_index_text(self, modname, name_cls):
+        if self.objtype == 'global':
+            return _('%s (global variable)') % name_cls[0]
+        else:
+            return ''
+
+
+class RubyEverywhere(RubyObject):
+    """
+    Description of a class member (methods, attributes).
+    """
+
+    def needs_arglist(self):
+        return self.objtype == 'method'
+
+    def get_index_text(self, modname, name_cls):
+        name, cls = name_cls
+        add_modules = self.env.config.add_module_names
+        if self.objtype == 'method':
+            try:
+                clsname, methname = ruby_rsplit(name)
+            except ValueError:
+                if modname:
+                    return _('%s() (in module %s)') % (name, modname)
+                else:
+                    return '%s()' % name
+            if modname and add_modules:
+                return _('%s() (%s::%s method)') % (methname, modname,
+                                                          clsname)
+            else:
+                return _('%s() (%s method)') % (methname, clsname)
+        else:
+            return ''
+
+
+class RubyClasslike(RubyObject):
+    """
+    Description of a class-like object (classes, exceptions).
+    """
+
+    def get_signature_prefix(self, sig):
+        return self.objtype + ' '
+
+    def get_index_text(self, modname, name_cls):
+        if self.objtype == 'class':
+            if not modname:
+                return _('%s (class)') % name_cls[0]
+            return _('%s (class in %s)') % (name_cls[0], modname)
+        elif self.objtype == 'exception':
+            return name_cls[0]
+        else:
+            return ''
+
+    def before_content(self):
+        RubyObject.before_content(self)
+        if self.names:
+            self.env.temp_data['rb:class'] = self.names[0][0]
+            self.clsname_set = True
+
+
+class RubyClassmember(RubyObject):
+    """
+    Description of a class member (methods, attributes).
+    """
+
+    def needs_arglist(self):
+        return self.objtype.endswith('method')
+
+    def get_signature_prefix(self, sig):
+        if self.objtype == 'classmethod':
+            return "classmethod %s." % self.class_name
+        elif self.objtype == 'attr_reader':
+            return "attribute [R] "
+        elif self.objtype == 'attr_writer':
+            return "attribute [W] "
+        elif self.objtype == 'attr_accessor':
+            return "attribute [R/W] "
+        return ''
+
+    def get_index_text(self, modname, name_cls):
+        name, cls = name_cls
+        add_modules = self.env.config.add_module_names
+        if self.objtype == 'classmethod':
+            try:
+                clsname, methname = ruby_rsplit(name)
+            except ValueError:
+                return '%s()' % name
+            if modname:
+                return _('%s() (%s.%s class method)') % (methname, modname,
+                                                         clsname)
+            else:
+                return _('%s() (%s class method)') % (methname, clsname)
+        elif self.objtype.startswith('attr'):
+            try:
+                clsname, attrname = ruby_rsplit(name)
+            except ValueError:
+                return name
+            if modname and add_modules:
+                return _('%s (%s.%s attribute)') % (attrname, modname, clsname)
+            else:
+                return _('%s (%s attribute)') % (attrname, clsname)
+        else:
+            return ''
+
+    def before_content(self):
+        RubyObject.before_content(self)
+        lastname = self.names and self.names[-1][1]
+        if lastname and not self.env.temp_data.get('rb:class'):
+            self.env.temp_data['rb:class'] = lastname.strip('.')
+            self.clsname_set = True
+
+
+class RubyModule(Directive):
+    """
+    Directive to mark description of a new module.
+    """
+
+    has_content = False
+    required_arguments = 1
+    optional_arguments = 0
+    final_argument_whitespace = False
+    option_spec = {
+        'platform': lambda x: x,
+        'synopsis': lambda x: x,
+        'noindex': directives.flag,
+        'deprecated': directives.flag,
+    }
+
+    def run(self):
+        env = self.state.document.settings.env
+        modname = self.arguments[0].strip()
+        noindex = 'noindex' in self.options
+        env.temp_data['rb:module'] = modname
+        env.domaindata['rb']['modules'][modname] = \
+            (env.docname, self.options.get('synopsis', ''),
+             self.options.get('platform', ''), 'deprecated' in self.options)
+        targetnode = nodes.target('', '', ids=['module-' + modname], ismod=True)
+        self.state.document.note_explicit_target(targetnode)
+        ret = [targetnode]
+        # XXX this behavior of the module directive is a mess...
+        if 'platform' in self.options:
+            platform = self.options['platform']
+            node = nodes.paragraph()
+            node += nodes.emphasis('', _('Platforms: '))
+            node += nodes.Text(platform, platform)
+            ret.append(node)
+        # the synopsis isn't printed; in fact, it is only used in the
+        # modindex currently
+        if not noindex:
+            indextext = _('%s (module)') % modname
+            inode = addnodes.index(entries=[_make_index(
+                'single', indextext, 'module-' + modname, modname)])
+            ret.append(inode)
+        return ret
+
+def _make_index(entrytype, entryname, target, ignored, key=None):
+    # Sphinx 1.4 introduced backward incompatible changes, it now
+    # requires 5 tuples.  Last one is categorization key.  See
+    # http://www.sphinx-doc.org/en/stable/extdev/nodes.html#sphinx.addnodes.index
+    if version_info >= (1, 4, 0, '', 0):
+        return (entrytype, entryname, target, ignored, key)
+    else:
+        return (entrytype, entryname, target, ignored)
+
+class RubyCurrentModule(Directive):
+    """
+    This directive is just to tell Sphinx that we're documenting
+    stuff in module foo, but links to module foo won't lead here.
+    """
+
+    has_content = False
+    required_arguments = 1
+    optional_arguments = 0
+    final_argument_whitespace = False
+    option_spec = {}
+
+    def run(self):
+        env = self.state.document.settings.env
+        modname = self.arguments[0].strip()
+        if modname == 'None':
+            env.temp_data['rb:module'] = None
+        else:
+            env.temp_data['rb:module'] = modname
+        return []
+
+
+class RubyXRefRole(XRefRole):
+    def process_link(self, env, refnode, has_explicit_title, title, target):
+        if not has_explicit_title:
+            title = title.lstrip('.')   # only has a meaning for the target
+            title = title.lstrip('#')
+            if title.startswith("::"):
+                title = title[2:]
+            target = target.lstrip('~') # only has a meaning for the title
+            # if the first character is a tilde, don't display the module/class
+            # parts of the contents
+            if title[0:1] == '~':
+                m = re.search(r"(?:\.)?(?:#)?(?:::)?(.*)\Z", title)
+                if m:
+                    title = m.group(1)
+        if not title.startswith("$"):
+            refnode['rb:module'] = env.temp_data.get('rb:module')
+            refnode['rb:class'] = env.temp_data.get('rb:class')
+        # if the first character is a dot, search more specific namespaces first
+        # else search builtins first
+        if target[0:1] == '.':
+            target = target[1:]
+            refnode['refspecific'] = True
+        return title, target
+
+
+class RubyModuleIndex(Index):
+    """
+    Index subclass to provide the Ruby module index.
+    """
+
+    name = 'modindex'
+    localname = _('Ruby Module Index')
+    shortname = _('modules')
+
+    def generate(self, docnames=None):
+        content = {}
+        # list of prefixes to ignore
+        ignores = self.domain.env.config['modindex_common_prefix']
+        ignores = sorted(ignores, key=len, reverse=True)
+        # list of all modules, sorted by module name
+        modules = sorted(_iteritems(self.domain.data['modules']),
+                         key=lambda x: x[0].lower())
+        # sort out collapsible modules
+        prev_modname = ''
+        num_toplevels = 0
+        for modname, (docname, synopsis, platforms, deprecated) in modules:
+            if docnames and docname not in docnames:
+                continue
+
+            for ignore in ignores:
+                if modname.startswith(ignore):
+                    modname = modname[len(ignore):]
+                    stripped = ignore
+                    break
+            else:
+                stripped = ''
+
+            # we stripped the whole module name?
+            if not modname:
+                modname, stripped = stripped, ''
+
+            entries = content.setdefault(modname[0].lower(), [])
+
+            package = modname.split('::')[0]
+            if package != modname:
+                # it's a submodule
+                if prev_modname == package:
+                    # first submodule - make parent a group head
+                    entries[-1][1] = 1
+                elif not prev_modname.startswith(package):
+                    # submodule without parent in list, add dummy entry
+                    entries.append([stripped + package, 1, '', '', '', '', ''])
+                subtype = 2
+            else:
+                num_toplevels += 1
+                subtype = 0
+
+            qualifier = deprecated and _('Deprecated') or ''
+            entries.append([stripped + modname, subtype, docname,
+                            'module-' + stripped + modname, platforms,
+                            qualifier, synopsis])
+            prev_modname = modname
+
+        # apply heuristics when to collapse modindex at page load:
+        # only collapse if number of toplevel modules is larger than
+        # number of submodules
+        collapse = len(modules) - num_toplevels < num_toplevels
+
+        # sort by first letter
+        content = sorted(_iteritems(content))
+
+        return content, collapse
+
+
+class RubyDomain(Domain):
+    """Ruby language domain."""
+    name = 'rb'
+    label = 'Ruby'
+    object_types = {
+        'function':        ObjType(_('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'),
+    }
+
+    directives = {
+        'function':        RubyModulelevel,
+        'global':          RubyGloballevel,
+        'method':          RubyEverywhere,
+        'const':           RubyEverywhere,
+        'class':           RubyClasslike,
+        'exception':       RubyClasslike,
+        'classmethod':     RubyClassmember,
+        'attr_reader':     RubyClassmember,
+        'attr_writer':     RubyClassmember,
+        'attr_accessor':   RubyClassmember,
+        'module':          RubyModule,
+        'currentmodule':   RubyCurrentModule,
+    }
+
+    roles = {
+        'func':  RubyXRefRole(fix_parens=False),
+        'global':RubyXRefRole(),
+        'class': RubyXRefRole(),
+        'exc':   RubyXRefRole(),
+        'meth':  RubyXRefRole(fix_parens=False),
+        'attr':  RubyXRefRole(),
+        'const': RubyXRefRole(),
+        'mod':   RubyXRefRole(),
+        'obj':   RubyXRefRole(),
+    }
+    initial_data = {
+        'objects': {},  # fullname -> docname, objtype
+        'modules': {},  # modname -> docname, synopsis, platform, deprecated
+    }
+    indices = [
+        RubyModuleIndex,
+    ]
+
+    def clear_doc(self, docname):
+        for fullname, (fn, _) in list(self.data['objects'].items()):
+            if fn == docname:
+                del self.data['objects'][fullname]
+        for modname, (fn, _, _, _) in list(self.data['modules'].items()):
+            if fn == docname:
+                del self.data['modules'][modname]
+
+    def find_obj(self, env, modname, classname, name, type, searchorder=0):
+        """
+        Find a Ruby object for "name", perhaps using the given module and/or
+        classname.
+        """
+        # skip parens
+        if name[-2:] == '()':
+            name = name[:-2]
+
+        if not name:
+            return None, None
+
+        objects = self.data['objects']
+
+        newname = None
+        if searchorder == 1:
+            if modname and classname and \
+                     modname + '::' + classname + '#' + name in objects:
+                newname = modname + '::' + classname + '#' + name
+            elif modname and classname and \
+                     modname + '::' + classname + '.' + name in objects:
+                newname = modname + '::' + classname + '.' + name
+            elif modname and modname + '::' + name in objects:
+                newname = modname + '::' + name
+            elif modname and modname + '#' + name in objects:
+                newname = modname + '#' + name
+            elif modname and modname + '.' + name in objects:
+                newname = modname + '.' + name
+            elif classname and classname + '.' + name in objects:
+                newname = classname + '.' + name
+            elif classname and classname + '#' + name in objects:
+                newname = classname + '#' + name
+            elif name in objects:
+                newname = name
+        else:
+            if name in objects:
+                newname = name
+            elif classname and classname + '.' + name in objects:
+                newname = classname + '.' + name
+            elif classname and classname + '#' + name in objects:
+                newname = classname + '#' + name
+            elif modname and modname + '::' + name in objects:
+                newname = modname + '::' + name
+            elif modname and modname + '#' + name in objects:
+                newname = modname + '#' + name
+            elif modname and modname + '.' + name in objects:
+                newname = modname + '.' + name
+            elif modname and classname and \
+                     modname + '::' + classname + '#' + name in objects:
+                newname = modname + '::' + classname + '#' + name
+            elif modname and classname and \
+                     modname + '::' + classname + '.' + name in objects:
+                newname = modname + '::' + classname + '.' + name
+            # special case: object methods
+            elif type in ('func', 'meth') and '.' not in name and \
+                 'object.' + name in objects:
+                newname = 'object.' + name
+        if newname is None:
+            return None, None
+        return newname, objects[newname]
+
+    def resolve_xref(self, env, fromdocname, builder,
+                     typ, target, node, contnode):
+        if (typ == 'mod' or
+            typ == 'obj' and target in self.data['modules']):
+            docname, synopsis, platform, deprecated = \
+                self.data['modules'].get(target, ('','','', ''))
+            if not docname:
+                return None
+            else:
+                title = '%s%s%s' % ((platform and '(%s) ' % platform),
+                                    synopsis,
+                                    (deprecated and ' (deprecated)' or ''))
+                return make_refnode(builder, fromdocname, docname,
+                                    'module-' + target, contnode, title)
+        else:
+            modname = node.get('rb:module')
+            clsname = node.get('rb:class')
+            searchorder = node.hasattr('refspecific') and 1 or 0
+            name, obj = self.find_obj(env, modname, clsname,
+                                      target, typ, searchorder)
+            if not obj:
+                return None
+            else:
+                return make_refnode(builder, fromdocname, obj[0], name,
+                                    contnode, name)
+
+    def get_objects(self):
+        for modname, info in _iteritems(self.data['modules']):
+            yield (modname, modname, 'module', info[0], 'module-' + modname, 0)
+        for refname, (docname, type) in _iteritems(self.data['objects']):
+            yield (refname, refname, type, docname, refname, 1)
+
+
+def setup(app):
+    app.add_domain(RubyDomain)

doc/_themes/sphinx_rtd_theme/__init__.py

@@ -1,17 +0,0 @@
-"""Sphinx ReadTheDocs theme.
-
-From https://github.com/ryan-roemer/sphinx-bootstrap-theme.
-
-"""
-import os
-
-VERSION = (0, 1, 7)
-
-__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

@@ -1,21 +0,0 @@
-<div role="navigation" aria-label="breadcrumbs navigation">
-  <ul class="wy-breadcrumbs">
-    <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
-      {% for doc in parents %}
-          <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
-      {% endfor %}
-    <li>{{ title }}</li>
-      <li class="wy-breadcrumbs-aside">
-        {% if display_github %}
-          <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ source_suffix }}" class="fa fa-github"> Edit on GitHub</a>
-        {% elif display_bitbucket %}
-          <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}{{ source_suffix }}" class="fa fa-bitbucket"> Edit on Bitbucket</a>
-        {% elif show_source and source_url_prefix %}
-          <a href="{{ source_url_prefix }}{{ pagename }}{{ source_suffix }}">View page source</a>
-        {% elif show_source and has_source and sourcename %}
-          <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
-        {% endif %}
-      </li>
-  </ul>
-  <hr/>
-</div>

doc/_themes/sphinx_rtd_theme/footer.html

@@ -1,36 +0,0 @@
-<footer>
-  {% if next or prev %}
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-      {% if next %}
-        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}">Next <span class="fa fa-arrow-circle-right"></span></a>
-      {% endif %}
-      {% if prev %}
-        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}"><span class="fa fa-arrow-circle-left"></span> Previous</a>
-      {% endif %}
-    </div>
-  {% endif %}
-
-  <hr/>
-
-  <div role="contentinfo">
-    <p>
-    {%- if show_copyright %}
-      {%- if hasdoc('copyright') %}
-        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
-      {%- else %}
-        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
-      {%- endif %}
-    {%- endif %}
-
-    {%- if last_updated %}
-      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
-    {%- endif %}
-    </p>
-  </div>
-
-  {%- 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 %}
-
-</footer>
-

doc/_themes/sphinx_rtd_theme/layout.html

@@ -1,181 +0,0 @@
-{# 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="_static/js/modernizr.min.js"></script>
-
-</head>
-
-<body class="wy-body-for-nav" role="document">
-
-  <div class="wy-grid-for-nav">
-
-    {# SIDE NAV, TOGGLES ON MOBILE #}
-    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
-      <div class="wy-side-nav-search">
-        {% block sidebartitle %}
-
-        {% if logo and theme_logo_only %}
-          <a href="{{ pathto(master_doc) }}">
-        {% else %}
-          <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}
-        {% endif %}
-
-        {% if logo %}
-          {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
-          <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
-        {% endif %}
-        </a>
-
-        {% include "searchbox.html" %}
-
-        {% endblock %}
-      </div>
-
-      <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-        {% block menu %}
-          {% set toctree = toctree(maxdepth=2, collapse=False, includehidden=True) %}
-          {% if toctree %}
-              {{ toctree }}
-          {% else %}
-              <!-- Local TOC -->
-              <div class="local-toc">{{ toc }}</div>
-          {% endif %}
-        {% endblock %}
-      </div>
-      &nbsp;
-    </nav>
-
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      {# MOBILE NAV, TRIGGLES SIDE NAV ON TOGGLE #}
-      <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
-        <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
-        <a href="{{ pathto(master_doc) }}">{{ project }}</a>
-      </nav>
-
-
-      {# PAGE CONTENT #}
-      <div class="wy-nav-content">
-        <div class="rst-content">
-          {% include "breadcrumbs.html" %}
-          <div role="main" class="document">
-            {% block body %}{% endblock %}
-          </div>
-          {% include "footer.html" %}
-        </div>
-      </div>
-
-    </section>
-
-  </div>
-  {% include "versions.html" %}
-
-  {% if not embedded %}
-
-    <script type="text/javascript">
-        var DOCUMENTATION_OPTIONS = {
-            URL_ROOT:'{{ url_root }}',
-            VERSION:'{{ release|e }}',
-            COLLAPSE_INDEX:false,
-            FILE_SUFFIX:'{{ '' if no_search_suffix else file_suffix }}',
-            HAS_SOURCE:  {{ has_source|lower }}
-        };
-    </script>
-    {%- for scriptfile in script_files %}
-      <script type="text/javascript" src="{{ pathto(scriptfile, 1) }}"></script>
-    {%- endfor %}
-
-  {% endif %}
-
-  {# RTD hosts this file, so just load on non RTD builds #}
-  {% if not READTHEDOCS %}
-    <script type="text/javascript" src="{{ pathto('_static/js/theme.js', 1) }}"></script>
-  {% endif %}
-
-  {# STICKY NAVIGATION #}
-  {% if theme_sticky_navigation %}
-  <script type="text/javascript">
-      jQuery(function () {
-          SphinxRtdTheme.StickyNav.enable();
-      });
-  </script>
-  {% endif %}
-
-  {%- block footer %} {% endblock %}
-
-</body>
-</html>

doc/_themes/sphinx_rtd_theme/layout_old.html

@@ -1,205 +0,0 @@
-{#
-    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

@@ -1,50 +0,0 @@
-{#
-    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

@@ -1,9 +0,0 @@
-{%- if builder != 'singlehtml' %}
-<div role="search">
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doc/_themes/sphinx_rtd_theme/static/js/theme.js

@@ -1,50 +0,0 @@
-$( document ).ready(function() {
-    // Shift nav in mobile when clicking the menu.
-    $(document).on('click', "[data-toggle='wy-nav-top']", function() {
-      $("[data-toggle='wy-nav-shift']").toggleClass("shift");
-      $("[data-toggle='rst-versions']").toggleClass("shift");
-    });
-    // Close menu when you click a link.
-    $(document).on('click', ".wy-menu-vertical .current ul li a", function() {
-      $("[data-toggle='wy-nav-shift']").removeClass("shift");
-      $("[data-toggle='rst-versions']").toggleClass("shift");
-    });
-    $(document).on('click', "[data-toggle='rst-current-version']", function() {
-      $("[data-toggle='rst-versions']").toggleClass("shift-up");
-    });  
-    // Make tables responsive
-    $("table.docutils:not(.field-list)").wrap("<div class='wy-table-responsive'></div>");
-});
-
-window.SphinxRtdTheme = (function (jquery) {
-    var stickyNav = (function () {
-        var navBar,
-            win,
-            stickyNavCssClass = 'stickynav',
-            winScroll = false,
-            enable = function () {
-                navBar.addClass(stickyNavCssClass);
-                win.on('scroll', function() { // set flag on scroll event
-                    winScroll = true;
-                });
-                // use setInterval to only handle a subset of scroll events so we don't kill scroll performance
-                setInterval(function() {
-                    if (winScroll) {
-                        winScroll = false;
-                        navBar.scrollTop(win.scrollTop());
-                    }
-                }, 100);
-            },
-            init = function () {
-                navBar = jquery('nav.wy-nav-side:first');
-                win    = jquery(window);
-            };
-        jquery(init);
-        return {
-            enable : enable
-        };
-    }());
-    return {
-        StickyNav : stickyNav
-    };
-}($));

doc/_themes/sphinx_rtd_theme/theme.conf

@@ -1,9 +0,0 @@
-[theme]
-inherit = basic
-stylesheet = css/theme.css
-
-[options]
-typekit_id = hiw1hhg
-analytics_id = 
-sticky_navigation = False
-logo_only =

doc/_themes/sphinx_rtd_theme/versions.html

@@ -1,37 +0,0 @@
-{% 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

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

doc/asio_http2_client.h.rst.in

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

doc/asio_http2_server.h.rst.in

@@ -1,5 +0,0 @@
-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=( $( compgen -W '--threads --connection-window-bits --input-file --help --requests --data --verbose --version --window-bits --clients --no-tls-proto --header --max-concurrent-streams ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--requests --clients --threads --input-file --max-concurrent-streams --max-frame-size --window-bits --connection-window-bits --header --ciphers --tls13-ciphers --no-tls-proto --data --rate --rate-period --duration --warm-up-time --connection-active-timeout --connection-inactivity-timeout --timing-script-file --base-uri --alpn-list --h1 --header-table-size --encoder-header-table-size --log-file --qlog-file-base --connect-to --rps --groups --no-udp-gso --max-udp-payload-size --ktls --sni --verbose --version --help ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/make_bash_completion.py

@@ -1,7 +1,8 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 
 import subprocess
-from StringIO import StringIO
+import io
 import re
 import sys
 import os.path
@@ -14,10 +15,10 @@ class Option:
 def get_all_options(cmd):
     opt_pattern = re.compile(r'  (?:(-.), )?(--[^\s\[=]+)(\[)?')
     proc = subprocess.Popen([cmd, "--help"], stdout=subprocess.PIPE)
-    stdoutdata, stderrdata = proc.communicate()
+    stdoutdata, _ = proc.communicate()
     cur_option = None
     opts = {}
-    for line in StringIO(stdoutdata):
+    for line in io.StringIO(stdoutdata.decode('utf-8')):
         match = opt_pattern.match(line)
         if not match:
             continue
@@ -45,7 +46,7 @@ _{name}()
         -*)
             COMPREPLY=( $( compgen -W '\
 ''')
-    for opt in opts.itervalues():
+    for opt in opts.values():
         out.write(opt.long_opt)
         out.write(' ')
 
@@ -66,8 +67,8 @@ complete -F _{name} {name}
 
 if __name__ == '__main__':
     if len(sys.argv) < 2:
-        print "Generates bash_completion using `/path/to/cmd --help'"
+        print("Generates bash_completion using `/path/to/cmd --help'")
-        print "Usage: make_bash_completion.py /path/to/cmd"
+        print("Usage: make_bash_completion.py /path/to/cmd")
         exit(1)
     name = os.path.basename(sys.argv[1])
     opts = get_all_options(sys.argv[1])

doc/bash_completion/nghttp

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

doc/bash_completion/nghttpd

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

doc/bash_completion/nghttpx

@@ -8,7 +8,7 @@ _nghttpx()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--frontend-http2-connection-window-bits --worker-read-rate --frontend-no-tls --frontend-http2-dump-request-header --daemon --write-rate --altsvc --frontend-http2-dump-response-header --backend-http1-connections-per-frontend --tls-ticket-key-file --ciphers --verify-client-cacert --backend-keep-alive-timeout --strip-incoming-x-forwarded-for --errorlog-file --private-key-passwd-file --version --backlog --backend-http-proxy-uri --add-response-header --backend-write-timeout --backend-request-buffer --add-x-forwarded-for --write-burst --backend-http2-connection-window-bits --insecure --rlimit-nofile --backend-http2-window-bits --tls-proto-list --no-location-rewrite --padding --conf --accesslog-syslog --backend-http2-connections-per-worker --http2-max-concurrent-streams --client-proxy --worker-frontend-connections --ocsp-update-interval --cacert --frontend-read-timeout --worker-write-burst --npn-list --syslog-facility --backend-http1-connections-per-host --no-server-push --client --http2-bridge --fetch-ocsp-response-file --no-via --user --stream-write-timeout --no-ocsp --backend-response-buffer --http2-no-cookie-crumbling --backend-read-timeout --stream-read-timeout --workers --worker-read-burst --dh-param-file --errorlog-syslog --frontend --accesslog-file --http2-proxy --frontend-http2-read-timeout --accesslog-format --frontend-http2-window-bits --backend-no-tls --client-private-key-file --pid-file --client-cert-file --no-host-rewrite --log-level --worker-write-rate --help --backend-tls-sni-field --subcert --frontend-frame-debug --frontend-write-timeout --verify-client --read-rate --read-burst --backend-ipv4 --listener-disable-timeout --backend-ipv6 --backend ' -- "$cur" ) )
+            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-idle-timeout --frontend-http3-idle-timeout --frontend-write-timeout --frontend-keep-alive-timeout --frontend-header-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 --groups --insecure --cacert --private-key-passwd-file --subcert --dh-param-file --alpn-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 --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" ) )
             ;;
         *)
             _filedir

doc/conf.py.in

@@ -41,6 +41,8 @@ import sys, os
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.insert(0, os.path.abspath('.'))
 
+sys.path.insert(0, os.path.abspath('@top_srcdir@/doc/_exts'))
+
 # -- General configuration -----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -48,7 +50,7 @@ import sys, os
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = []
+extensions = ['rubydomain.rubydomain']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['@top_srcdir@/_templates']
@@ -64,7 +66,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'nghttp2'
-copyright = u'2012, 2015, Tatsuhiro Tsujikawa'
+copyright = u'2012, 2015, 2016, Tatsuhiro Tsujikawa'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -126,7 +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".
@@ -155,7 +157,7 @@ html_theme_path = ['@top_srcdir@/doc/_themes']
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
-html_use_smartypants = False
+#html_use_smartypants = False
 
 # Custom sidebar templates, maps document names to template names.
 html_sidebars = {
@@ -242,12 +244,9 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('nghttp.1', 'nghttp', u'HTTP/2 experimental client',
+    ('nghttp.1', 'nghttp', u'HTTP/2 client', [u'Tatsuhiro Tsujikawa'], 1),
-     [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpd.1', 'nghttpd', u'HTTP/2 server', [u'Tatsuhiro Tsujikawa'], 1),
-    ('nghttpd.1', 'nghttpd', u'HTTP/2 experimental server',
+    ('nghttpx.1', 'nghttpx', u'HTTP/2 proxy', [u'Tatsuhiro Tsujikawa'], 1),
-     [u'Tatsuhiro Tsujikawa'], 1),
-    ('nghttpx.1', 'nghttpx', u'HTTP/2 experimental proxy',
-     [u'Tatsuhiro Tsujikawa'], 1),
     ('h2load.1', 'h2load', u'HTTP/2 benchmarking tool',
      [u'Tatsuhiro Tsujikawa'], 1)
 ]

doc/docutils.conf

@@ -0,0 +1,2 @@
+[parsers]
+smart_quotes=no

doc/h2load.1

@@ -1,8 +1,5 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "April 27, 2015" "0.7.13" "nghttp2"
-.SH NAME
-h2load \- HTTP/2 benchmarking tool
 .
 .nr rst2man-indent-level 0
 .
@@ -30,12 +27,15 @@ 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 25, 2025" "1.68.0" "nghttp2"
+.SH NAME
+h2load \- HTTP/2 benchmarking tool
 .SH SYNOPSIS
 .sp
 \fBh2load\fP [OPTIONS]... [URI]...
 .SH DESCRIPTION
 .sp
-benchmarking tool for HTTP/2 and SPDY server
+benchmarking tool for HTTP/2 server
 .INDENT 0.0
 .TP
 .B <URI>
@@ -44,20 +44,27 @@ URIs are used  in this order for each  client.  All URIs
 are used, then  first URI is used and then  2nd URI, and
 so  on.  The  scheme, host  and port  in the  subsequent
 URIs, if present,  are ignored.  Those in  the first URI
-are used solely.
+are used solely.  Definition of a base URI overrides all
+scheme, host or port values.
 .UNINDENT
 .SH OPTIONS
 .INDENT 0.0
 .TP
 .B \-n, \-\-requests=<N>
-Number of requests.
+Number of  requests across all  clients.  If it  is used
+with \fI\%\-\-timing\-script\-file\fP option,  this option specifies
+the number of requests  each client performs rather than
+the number of requests  across all clients.  This option
+is ignored if timing\-based  benchmarking is enabled (see
+\fI\%\-\-duration\fP option).
 .sp
 Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-c, \-\-clients=<N>
-Number of concurrent clients.
+Number  of concurrent  clients.   With  \fI\%\-r\fP option,  this
+specifies the maximum number of connections to be made.
 .sp
 Default: \fB1\fP
 .UNINDENT
@@ -70,39 +77,47 @@ Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-i, \-\-input\-file=<FILE>
+.B \-i, \-\-input\-file=<PATH>
-Path of a file with multiple URIs are seperated by EOLs.
+Path of a file with multiple URIs are separated by EOLs.
 This option will disable URIs getting from command\-line.
-If \(aq\-\(aq is given as <FILE>, URIs will be read from stdin.
+If \(aq\-\(aq is given as <PATH>, URIs will be read from stdin.
 URIs are used  in this order for each  client.  All URIs
 are used, then  first URI is used and then  2nd URI, and
 so  on.  The  scheme, host  and port  in the  subsequent
 URIs, if present,  are ignored.  Those in  the first URI
-are used solely.
+are used solely.  Definition of a base URI overrides all
+scheme, host or port values.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-m, \-\-max\-concurrent\-streams=(auto|<N>)
+.B \-m, \-\-max\-concurrent\-streams=<N>
-Max concurrent streams to  issue per session.  If "auto"
+Max  concurrent  streams  to issue  per  session.   When
-is given, the number of given URIs is used.
+http/1.1  is used,  this  specifies the  number of  HTTP
+pipelining requests in\-flight.
 .sp
-Default: \fBauto\fP
+Default: \fB1\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.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 SPDY, 2**<N> is used instead.
+For  QUIC, <N>  is  capped to  26  (roughly 64MiB).   It
-.sp
+defaults  to  24 (16MiB)  for  QUIC,  and 30  for  other
-Default: \fB30\fP
+protocols.
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-W, \-\-connection\-window\-bits=<N>
 Sets  the  connection  level   initial  window  size  to
-(2**<N>)\-1.  For SPDY, if <N>  is strictly less than 16,
+(2**<N>)\-1.
-this option  is ignored.   Otherwise 2**<N> is  used for
-SPDY.
 .sp
 Default: \fB30\fP
 .UNINDENT
@@ -113,18 +128,225 @@ Add/Override a header to the requests.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-p, \-\-no\-tls\-proto=<PROTOID>
+.B \-\-ciphers=<SUITE>
-Specify ALPN identifier of the  protocol to be used when
+Set  allowed cipher  list  for TLSv1.2  or earlier.   The
-accessing http URI without SSL/TLS.
+format of the string is described in OpenSSL ciphers(1).
-Available protocols: spdy/2, spdy/3, spdy/3.1 and h2c\-14
 .sp
-Default: \fBh2c\-14\fP
+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 \-d, \-\-data=<FILE>
+.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
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-p, \-\-no\-tls\-proto=<PROTOID>
+Specify ALPN identifier of the  protocol to be used when
+accessing http URI without SSL/TLS.
+Available protocols: h2c and http/1.1
+.sp
+Default: \fBh2c\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-d, \-\-data=<PATH>
 Post FILE to  server.  The request method  is changed to
-POST.
+POST.   For  http/1.1 connection,  if  \fI\%\-d\fP  is used,  the
+maximum number of in\-flight pipelined requests is set to
+1.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-r, \-\-rate=<N>
+Specifies  the  fixed  rate  at  which  connections  are
+created.   The   rate  must   be  a   positive  integer,
+representing the  number of  connections to be  made per
+rate period.   The maximum  number of connections  to be
+made  is  given  in  \fI\%\-c\fP   option.   This  rate  will  be
+distributed among  threads as  evenly as  possible.  For
+example,  with   \fI\%\-t\fP2  and   \fI\%\-r\fP4,  each  thread   gets  2
+connections per period.  When the rate is 0, the program
+will run  as it  normally does, creating  connections at
+whatever variable rate it  wants.  The default value for
+this option is 0.  \fI\%\-r\fP and \fI\%\-D\fP are mutually exclusive.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-rate\-period=<DURATION>
+Specifies the time  period between creating connections.
+The period  must be a positive  number, representing the
+length of the period in time.  This option is ignored if
+the rate option is not used.  The default value for this
+option is 1s.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-D, \-\-duration=<DURATION>
+Specifies the main duration for the measurements in case
+of timing\-based  benchmarking.  \fI\%\-D\fP  and \fI\%\-r\fP  are mutually
+exclusive.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-warm\-up\-time=<DURATION>
+Specifies the  time  period  before  starting the actual
+measurements, in  case  of  timing\-based benchmarking.
+Needs to provided along with \fI\%\-D\fP option.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-T, \-\-connection\-active\-timeout=<DURATION>
+Specifies  the maximum  time that  h2load is  willing to
+keep a  connection open,  regardless of the  activity on
+said connection.  <DURATION> must be a positive integer,
+specifying the amount of time  to wait.  When no timeout
+value is  set (either  active or inactive),  h2load will
+keep  a  connection  open indefinitely,  waiting  for  a
+response.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-N, \-\-connection\-inactivity\-timeout=<DURATION>
+Specifies the amount  of time that h2load  is willing to
+wait to see activity  on a given connection.  <DURATION>
+must  be a  positive integer,  specifying the  amount of
+time  to wait.   When no  timeout value  is set  (either
+active or inactive), h2load  will keep a connection open
+indefinitely, waiting for a response.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-timing\-script\-file=<PATH>
+Path of a file containing one or more lines separated by
+EOLs.  Each script line is composed of two tab\-separated
+fields.  The first field represents the time offset from
+the start of execution, expressed as a positive value of
+milliseconds  with microsecond  resolution.  The  second
+field represents the URI.  This option will disable URIs
+getting from  command\-line.  If \(aq\-\(aq is  given as <PATH>,
+script lines will be read  from stdin.  Script lines are
+used in order for each client.   If \fI\%\-n\fP is given, it must
+be less  than or  equal to the  number of  script lines,
+larger values are clamped to the number of script lines.
+If \fI\%\-n\fP is not given,  the number of requests will default
+to the  number of  script lines.   The scheme,  host and
+port defined in  the first URI are  used solely.  Values
+contained  in  other  URIs,  if  present,  are  ignored.
+Definition of a  base URI overrides all  scheme, host or
+port   values.   \fI\%\-\-timing\-script\-file\fP   and  \fI\%\-\-rps\fP   are
+mutually exclusive.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-B, \-\-base\-uri=(<URI>|unix:<PATH>)
+Specify URI from which the scheme, host and port will be
+used  for  all requests.   The  base  URI overrides  all
+values  defined either  at  the command  line or  inside
+input files.  If argument  starts with \(dqunix:\(dq, then the
+rest  of the  argument will  be treated  as UNIX  domain
+socket path.   The connection is made  through that path
+instead of TCP.   In this case, scheme  is inferred from
+the first  URI appeared  in the  command line  or inside
+input files as usual.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-alpn\-list=<LIST>
+Comma delimited list of  ALPN protocol identifier sorted
+in the  order of preference.  That  means most desirable
+protocol comes  first.  The parameter must  be delimited
+by a single comma only  and any white spaces are treated
+as a part of protocol string.
+.sp
+Default: \fBh2,http/1.1\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-h1
+Short        hand        for        \fI\%\-\-alpn\-list\fP=http/1.1
+\fI\%\-\-no\-tls\-proto\fP=http/1.1,    which   effectively    force
+http/1.1 for both http and https URI.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-header\-table\-size=<SIZE>
+Specify decoder header table size.
+.sp
+Default: \fB4K\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-encoder\-header\-table\-size=<SIZE>
+Specify encoder header table size.  The decoder (server)
+specifies  the maximum  dynamic table  size it  accepts.
+Then the negotiated dynamic table size is the minimum of
+this option value and the value which server specified.
+.sp
+Default: \fB4K\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-log\-file=<PATH>
+Write per\-request information to a file as tab\-separated
+columns: start  time as  microseconds since  epoch; HTTP
+status code;  microseconds until end of  response.  More
+columns may be added later.  Rows are ordered by end\-of\-
+response  time when  using  one worker  thread, but  may
+appear slightly  out of order with  multiple threads due
+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 \-\-sni=<DNSNAME>
+Send  <DNSNAME> in  TLS  SNI, overriding  the host  name
+specified in URI.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -141,6 +363,14 @@ Display version information and exit.
 .B \-h, \-\-help
 Display this help and exit.
 .UNINDENT
+.sp
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+.sp
+The <DURATION> argument is an integer and an optional unit (e.g., 1s
+is 1 second and 500ms is 500 milliseconds).  Units are h, m, s or ms
+(hours, minutes, seconds and milliseconds, respectively).  If a unit
+is omitted, a second is used as unit.
 .SH OUTPUT
 .INDENT 0.0
 .TP
@@ -158,7 +388,7 @@ The number of requests completed.
 .TP
 .B succeeded
 The number of requests completed successfully.  Only HTTP status
-code 2xx or3xx are considered as success.
+code 2xx or 3xx are considered as success.
 .TP
 .B failed
 The number of requests failed, including HTTP level failures
@@ -166,9 +396,14 @@ The number of requests failed, including HTTP level failures
 .TP
 .B errored
 The number of requests failed, except for HTTP level failures.
-status code.  This is the subset of the number reported in
+This is the subset of the number reported in \fBfailed\fP and most
-\fBfailed\fP and most likely the network level failures or stream
+likely the network level failures or stream was reset by
-was reset by RST_STREAM.
+RST_STREAM.
+.TP
+.B timeout
+The number of requests whose connection timed out before they were
+completed.   This  is  the  subset   of  the  number  reported  in
+\fBerrored\fP\&.
 .UNINDENT
 .TP
 .B status codes
@@ -178,15 +413,18 @@ The number of status code h2load received.
 .INDENT 7.0
 .TP
 .B total
-The number of bytes received from the server "on the wire".  If
+The number of bytes received from the server \(dqon the wire\(dq.  If
-requests were made via TLS, this value is the number of decrpyted
+requests were made via TLS, this value is the number of decrypted
 bytes.
 .TP
 .B headers
-The number of response header bytes from the server without
+The  number  of response  header  bytes  from the  server  without
-decompression.  For HTTP/2, this is the sum of the payload of
+decompression.  The  \fBspace savings\fP shows efficiency  of header
-HEADERS frame.  For SPDY, this is the sum of the payload of
+compression.  Let \fBdecompressed(headers)\fP to the number of bytes
-SYN_REPLY frame.
+used for header fields after decompression.  The \fBspace savings\fP
+is calculated  by (1 \- \fBheaders\fP  / \fBdecompressed(headers)\fP) *
+100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+header compression.  For HTTP/2, it shows some insightful numbers.
 .TP
 .B data
 The number of response body bytes received from the server.
@@ -205,12 +443,80 @@ The maximum time taken for request and response.
 The mean time taken for request and response.
 .TP
 .B sd
-The standard deviation of the time for request and response.
+The standard deviation of the time taken for request and response.
 .TP
 .B +/\- sd
 The fraction of the number of requests within standard deviation
 range (mean +/\- sd) against total number of successful requests.
 .UNINDENT
+.TP
+.B time for connect
+.INDENT 7.0
+.TP
+.B min
+The minimum time taken to connect to a server including TLS
+handshake.
+.TP
+.B max
+The maximum time taken to connect to a server including TLS
+handshake.
+.TP
+.B mean
+The mean time taken to connect to a server including TLS
+handshake.
+.TP
+.B sd
+The standard deviation of the time taken to connect to a server.
+.TP
+.B +/\- sd
+The  fraction  of  the   number  of  connections  within  standard
+deviation range (mean  +/\- sd) against total  number of successful
+connections.
+.UNINDENT
+.TP
+.B time for 1st byte (of (decrypted in case of TLS) application data)
+.INDENT 7.0
+.TP
+.B min
+The minimum time taken to get 1st byte from a server.
+.TP
+.B max
+The maximum time taken to get 1st byte from a server.
+.TP
+.B mean
+The mean time taken to get 1st byte from a server.
+.TP
+.B sd
+The standard deviation of the time taken to get 1st byte from a
+server.
+.TP
+.B +/\- sd
+The fraction of the number of connections within standard
+deviation range (mean +/\- sd) against total number of successful
+connections.
+.UNINDENT
+.TP
+.B req/s
+.INDENT 7.0
+.TP
+.B min
+The minimum request per second among all clients.
+.TP
+.B max
+The maximum request per second among all clients.
+.TP
+.B mean
+The mean request per second among all clients.
+.TP
+.B sd
+The standard deviation of request per second among all clients.
+server.
+.TP
+.B +/\- sd
+The fraction of the number of connections within standard
+deviation range (mean +/\- sd) against total number of successful
+connections.
+.UNINDENT
 .UNINDENT
 .SH FLOW CONTROL
 .sp
@@ -218,13 +524,13 @@ h2load sets large flow control window by default, and effectively
 disables flow control to avoid under utilization of server
 performance.  To set smaller flow control window, use \fI\%\-w\fP and
 \fI\%\-W\fP options.  For example, use \fB\-w16 \-W16\fP to set default
-window size described in HTTP/2 and SPDY protocol specification.
+window size described in HTTP/2 protocol specification.
 .SH SEE ALSO
 .sp
-\fInghttp(1)\fP, \fInghttpd(1)\fP, \fInghttpx(1)\fP
+\fBnghttp(1)\fP, \fBnghttpd(1)\fP, \fBnghttpx(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .