name: "CI"

on: [push]
jobs:
  Ubuntu:
    runs-on: ubuntu-latest
    outputs:
      cache_misses: ${{ env.cache_misses }}
    steps:
      - uses: actions/checkout@v3
      - name: Install required packages
        run: |
          sudo apt-get update
          sudo apt-get -y install apt-utils
          sudo apt-get -y install git gcc g++ cmake python make ninja-build
          sudo apt-get -y install tcpdump libgsl-dev libxml2-dev
          sudo apt-get -y install curl unzip tar
          sudo apt-get -y install ccache
      - name: Get timestamp
        id: time
        run: python3 -c "from datetime import datetime; print('time='+datetime.now().strftime('%Y-%m-%d-%H-%M-%S'))" >> $GITHUB_ENV
      - name: Restore ccache
        id: ccache
        uses: actions/cache@v3
        with:
          path: .ccache
          key: ubuntu-ci-${{env.time}}
          restore-keys: ubuntu-ci-
      - name: Setup ccache
        run: |
          ccache --set-config=cache_dir="$GITHUB_WORKSPACE/.ccache"
          ccache --set-config=max_size=400M
          ccache --set-config=compression=true
          ccache -z
      - name: Configure CMake
        run: |
          ./ns3 configure -d release --enable-asserts --enable-examples --enable-tests --disable-werror -G"Ninja"
      - name: Build ns-3
        run: |
          ./ns3 build
      - name: Print ccache statistics
        id: ccache_results
        run: |
          ccache -s
          python3 -c "import re, subprocess;print('cache_misses=%d' % int(re.findall('cache_miss(.*)', subprocess.check_output(['ccache', '--print-stats']).decode())[0]))" >> $GITHUB_ENV
      - name: Run tests and examples
        if: env.cache_misses != '0'
        run: python3 test.py --no-build

  CodeQL:
    runs-on: ubuntu-latest
    needs: Ubuntu
    if: needs.Ubuntu.outputs.cache_misses != '0'
    strategy:
      fail-fast: false
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
        uses: github/codeql-action/init@v2
        with:
          languages: 'cpp'
      - name: Install required packages
        run: |
          sudo apt-get update
          sudo apt-get -y install apt-utils
          sudo apt-get -y install git gcc g++ cmake python make ninja-build
          sudo apt-get -y install tcpdump libgsl-dev libxml2-dev
          sudo apt-get -y install curl unzip tar
          sudo apt-get -y install ccache
      - name: Get timestamp
        id: time
        run: python3 -c "from datetime import datetime; print('time='+datetime.now().strftime('%Y-%m-%d-%H-%M-%S'))" >> $GITHUB_ENV
      - name: Restore ccache
        id: ccache
        uses: actions/cache@v3
        with:
          path: .ccache
          key: ubuntu-codeql-${{env.time}}
          restore-keys: ubuntu-codeql-
      - name: Setup ccache
        run: |
          ccache --set-config=cache_dir="$GITHUB_WORKSPACE/.ccache"
          ccache --set-config=max_size=400M
          ccache --set-config=compression=true
          ccache -z
      - name: Configure CMake
        run: |
          ./ns3 configure -d release --enable-asserts --enable-examples --enable-tests --disable-werror -G"Ninja"
      - name: Build ns-3
        run: |
          ./ns3 build
      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v2

  Codecov:
    runs-on: ubuntu-latest
    needs: Ubuntu
    if: needs.Ubuntu.outputs.cache_misses != '0'
    steps:
      - uses: actions/checkout@v3
      - name: Install required packages
        run: |
          sudo apt-get update
          sudo apt-get -y install apt-utils
          sudo apt-get -y install git gcc g++ cmake python3 make ninja-build
          sudo apt-get -y install tcpdump libgsl-dev libxml2-dev
          sudo apt-get -y install curl unzip tar
          sudo apt-get -y install ccache
          sudo apt-get -y install lcov
      - name: Get timestamp
        id: time
        run: python3 -c "from datetime import datetime; print('time='+datetime.now().strftime('%Y-%m-%d-%H-%M-%S'))" >> $GITHUB_ENV
      - name: Restore ccache
        id: ccache
        uses: actions/cache@v3
        with:
          path: .ccache
          key: ubuntu-coverage-${{env.time}}
          restore-keys: ubuntu-coverage-
      - name: Setup ccache
        run: |
          ccache --set-config=cache_dir="$GITHUB_WORKSPACE/.ccache"
          ccache --set-config=max_size=400M
          ccache --set-config=compression=true
          ccache -z
      - name: Configure CMake
        run: |
          ./ns3 configure --enable-asserts --enable-examples --enable-tests --disable-werror --enable-gcov -G"Ninja"
      - name: Build ns-3
        run: |
          ./ns3 build
      - name: Print ccache statistics
        id: ccache_results
        run: |
          ccache -s
          python3 -c "import re, subprocess;print('cache_misses=%d' % int(re.findall('cache_miss(.*)', subprocess.check_output(['ccache', '--print-stats']).decode())[0]))" >> $GITHUB_ENV
      - name: Generate coverage data and submit to codecov.io
        if: env.cache_misses != '0'
        run: |
          ./ns3 build coverage_gcc
          cd ./build/coverage
          bash <(curl -s https://codecov.io/bash) -f ns3.info || echo "Codecov did not collect coverage reports"

  Windows_MinGW:
    runs-on: windows-latest
    defaults:
      run:
        shell: msys2 {0}
    steps:
      - uses: actions/checkout@v3
      - uses: msys2/setup-msys2@v2
      - name: Install required msys2/mingw64 packages
        run: |
          pacman -S --noconfirm unzip
          pacman -S --noconfirm tar
          pacman -S --noconfirm mingw-w64-x86_64-curl
          pacman -S --noconfirm mingw-w64-x86_64-binutils
          pacman -S --noconfirm mingw-w64-x86_64-cmake
          pacman -S --noconfirm mingw-w64-x86_64-gcc
          pacman -S --noconfirm mingw-w64-x86_64-ninja
          pacman -S --noconfirm mingw-w64-x86_64-python
          pacman -S --noconfirm mingw-w64-x86_64-ccache
          pacman -S --noconfirm mingw-w64-x86_64-gsl
          pacman -S --noconfirm mingw-w64-x86_64-libxml2
          pacman -S --noconfirm mingw-w64-x86_64-lld
          pacman --noconfirm -Scc
      - name: Get timestamp
        id: time
        run: python3 -c "from datetime import datetime; print('time='+datetime.now().strftime('%Y-%m-%d-%H-%M-%S'))" >> $GITHUB_ENV
      - name: Restore ccache
        id: ccache
        uses: actions/cache@v3
        with:
          path: .ccache
          key: msys2-${{env.time}}
          restore-keys: msys2-
      - name: Setup ccache
        run: |
          ccache --set-config=cache_dir="$GITHUB_WORKSPACE/.ccache"
          ccache --set-config=max_size=400M
          ccache --set-config=compression=true
          ccache -z
      - name: Configure CMake
        run: |
          python3 ns3 configure -d release --enable-asserts --enable-examples --enable-tests --disable-werror -G"Ninja"
      - name: Build ns-3
        run: |
          python3 ns3 build
      - name: Print ccache statistics
        id: ccache_results
        run: |
          ccache -s
          python3 -c "import re, subprocess;print('cache_misses=%d' % int(re.findall('cache_miss(.*)', subprocess.check_output(['ccache', '--print-stats']).decode())[0]))" >> $GITHUB_ENV
      - name: Run tests and examples
        if: env.cache_misses != '0'
        run: python3 test.py --no-build

  Mac_OS_X:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install required packages
        run: |
          brew install ninja cmake ccache libxml2 gsl open-mpi #qt5
      - name: Get timestamp
        id: time
        run: python3 -c "from datetime import datetime; print('time='+datetime.now().strftime('%Y-%m-%d-%H-%M-%S'))" >> $GITHUB_ENV
      - name: Restore ccache
        id: ccache
        uses: actions/cache@v3
        with:
          path: .ccache
          key: osx_brew-ci-${{env.time}}
          restore-keys: osx_brew-ci-
      - name: Setup ccache
        run: |
          export PATH=/usr/local/bin:$PATH #:/usr/local/opt/qt/bin
          ccache --set-config=cache_dir="$GITHUB_WORKSPACE/.ccache"
          ccache --set-config=max_size=400M
          ccache --set-config=compression=true
          ccache -z
      - name: Configure CMake
        run: |
          export PATH=/usr/local/bin:$PATH #:/usr/local/opt/qt/bin
          ./ns3 configure -d release --enable-asserts --enable-examples --enable-tests --disable-werror -G"Ninja"
      - name: Build ns-3
        run: |
          export PATH="$PATH" #:/usr/local/opt/qt/bin
          ./ns3 build
      - name: Print ccache statistics
        id: ccache_results
        run: |
          ccache -s
          python3 -c "import re, subprocess;print('cache_misses=%d' % int(re.findall('cache_miss(.*)', subprocess.check_output(['ccache', '--print-stats']).decode())[0]))" >> $GITHUB_ENV
      - name: Run tests and examples
        if: env.cache_misses != '0'
        run: ./test.py --no-build