netring 0.4.0

High-performance zero-copy packet I/O for Linux (AF_PACKET TPACKET_V3 + AF_XDP)
Documentation 
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name: CI

on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  # ── Quick checks (no privileges) ──────────────────────────────────────────
  check:
    name: Check & Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: cargo check
        run: cargo check --all-features
      - name: clippy
        run: cargo clippy --all-targets --all-features -- --deny warnings

  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - run: cargo fmt -- --check

  doc:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Build docs
        run: cargo doc --all-features --no-deps
        env:
          RUSTDOCFLAGS: "-D warnings"

  # ── Unit tests (no privileges) ────────────────────────────────────────────
  test-unit:
    name: Unit Tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: [stable, "1.85"]
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - uses: Swatinem/rust-cache@v2
      - name: Unit tests
        run: cargo test --features tokio,channel

  # ── Integration tests (need CAP_NET_RAW) ──────────────────────────────────
  test-integration:
    name: Integration Tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2

      - name: Build test binaries
        run: cargo test --features "integration-tests,tokio,channel" --no-run

      - name: Grant CAP_NET_RAW to test binaries
        run: |
          for bin in $(cargo test --features "integration-tests,tokio,channel" \
              --no-run --message-format=json 2>/dev/null \
              | jq -r 'select(.executable != null) | .executable'); do
            if [ -f "$bin" ]; then
              sudo setcap cap_net_raw,cap_net_admin+ep "$bin"
              echo "setcap: $(basename "$bin")"
            fi
          done

      - name: Run integration tests
        run: cargo test --features "integration-tests,tokio,channel" -- --test-threads=1

  # ── Benchmarks compile ────────────────────────────────────────────────────
  bench:
    name: Benchmarks compile
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo bench --no-run

  # ── Examples compile ──────────────────────────────────────────────────────
  examples:
    name: Examples compile
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo build --examples --features tokio,channel