Merge submodule contents for crates/util

crates/util/.github/actions-rs/grcov.yml

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+branch: true
+ignore-not-existing: true
+llvm: true
+filter: covered
+output-type: lcov
+output-path: ./lcov.info
+source-dir: .
+ignore:
+  - "/*"
+  - "C:/*"
+  - "../*"
+excl-line: "#\\[derive\\("
+excl-start: "mod tests \\{"
+excl-br-line: "#\\[derive\\("
+excl-br-start: "mod tests \\{"

crates/util/.github/workflows/cargo.yml

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+name: cargo
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check_and_test:
+    name: Check and test
+    strategy:
+      matrix:
+        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
+        toolchain:
+          - 1.56.1 # min supported version (https://github.com/webrtc-rs/webrtc/#toolchain)
+          - stable
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Cache cargo registry
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          profile: minimal
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+
+  rustfmt_and_clippy:
+    name: Check rustfmt style and run clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          components: clippy, rustfmt
+          override: true
+      - name: Cache cargo registry
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+      - name: Run clippy
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings
+      - name: Check formating
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+  minimal_versions:
+    name: Compile and test with minimal versions
+    strategy:
+      matrix:
+        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install latest nightly
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: nightly
+            override: true
+      - uses: taiki-e/install-action@cargo-hack
+      - uses: taiki-e/install-action@cargo-minimal-versions
+      - run: cargo minimal-versions check --workspace --all-features --ignore-private -v
+      - run: cargo minimal-versions build --workspace --all-features --ignore-private -v
+      - run: cargo minimal-versions test --workspace --all-features -v

crates/util/.github/workflows/grcov.yml

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+name: coverage
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  grcov:
+    name: Coverage
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+        toolchain:
+          - nightly
+        cargo_flags:
+          - "--all-features"
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.toolchain }}
+          override: true
+
+      - name: Install grcov
+        uses: actions-rs/[email protected]
+        with:
+          crate: grcov
+          version: latest
+          use-tool-cache: true
+
+      - name: Test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all --no-fail-fast ${{ matrix.cargo_flags }}
+        env:
+          CARGO_INCREMENTAL: "0"
+          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort -Cdebug-assertions=off'
+          RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort -Cdebug-assertions=off'
+
+      - name: Generate coverage data
+        id: grcov
+        # uses: actions-rs/[email protected]
+        run: |
+          grcov target/debug/ \
+              --branch \
+              --llvm \
+              --source-dir . \
+              --output-path lcov.info \
+              --ignore='/**' \
+              --ignore='C:/**' \
+              --ignore='../**' \
+              --ignore-not-existing \
+              --excl-line "#\\[derive\\(" \
+              --excl-br-line "#\\[derive\\(" \
+              --excl-start "#\\[cfg\\(test\\)\\]" \
+              --excl-br-start "#\\[cfg\\(test\\)\\]" \
+              --commit-sha ${{ github.sha }} \
+              --service-job-id ${{ github.job }} \
+              --service-name "GitHub Actions" \
+              --service-number ${{ github.run_id }}
+      - name: Upload coverage as artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: lcov.info
+          # path: ${{ steps.grcov.outputs.report }}
+          path: lcov.info
+
+      - name: Upload coverage to codecov.io
+        uses: codecov/codecov-action@v1
+        with:
+          # file: ${{ steps.grcov.outputs.report }}
+          file: lcov.info
+          fail_ci_if_error: true

crates/util/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+/.idea/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk

crates/util/Cargo.toml

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+[package]
+name = "webrtc-util"
+version = "0.5.4"
+authors = ["Rain Liu <[email protected]>"]
+edition = "2018"
+description = "Utilities for WebRTC.rs stack"
+license = "MIT/Apache-2.0"
+documentation = "https://docs.rs/webrtc-util"
+homepage = "https://webrtc.rs"
+repository = "https://github.com/webrtc-rs/util"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+default = ["buffer", "conn", "ifaces", "vnet", "marshal", "sync"]
+buffer = []
+conn = ["buffer"]
+ifaces = []
+vnet = ["ifaces"]
+marshal = []
+sync = []
+
+[dependencies]
+tokio = { version = "1.19", features = ["full"] }
+lazy_static = "1.4"
+async-trait = "0.1.56"
+ipnet = "2.5"
+log = "0.4"
+rand = "0.8.5"
+bytes = "1"
+thiserror = "~1.0.2"
+parking_lot = "0.12.1"
+
+[target.'cfg(not(windows))'.dependencies]
+nix = "0.24.1"
+libc = "0.2.126"
+
+[target.'cfg(windows)'.dependencies]
+bitflags = "1.3"
+winapi = { version = "0.3.9", features = [
+    "basetsd",
+    "guiddef",
+    "ws2def",
+    "winerror",
+    "ws2ipdef",
+] }
+
+[build-dependencies]
+cc = "1.0.73"
+
+[dev-dependencies]
+tokio-test = "0.4.0" # must match the min version of the `tokio` crate above
+env_logger = "0.9.0"
+chrono = "0.4.19"
+criterion = { version = "0.3.5", features = ["stable"]}
+
+[[bench]]
+name = "bench"
+harness = false