Initial implementation of up-streamer-rust

.github/workflows/build.yaml

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+# ********************************************************************************
+#  Copyright (c) 2024 Contributors to the Eclipse Foundation
+#
+#  See the NOTICE file(s) distributed with this work for additional
+#  information regarding copyright ownership.
+#
+#  This program and the accompanying materials are made available under the
+#  terms of the Apache License Version 2.0 which is available at
+#  https://www.apache.org/licenses/LICENSE-2.0
+#
+#  SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************/
+
+name: Build checks and tests
+
+on:
+  push:
+    branches: [ main, feature/initial-pluggable-ustreamer_utransport-thread-safe ]
+  pull_request:
+    paths:
+      - "up-streamer/src/**"
+      - "Cargo.*"
+  workflow_call:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: cargo fmt
+        working-directory: ${{github.workspace}}
+        run: cargo fmt -- --check
+      - name: cargo clippy
+        working-directory: ${{github.workspace}}
+        run: cargo clippy --all-targets -- -W warnings -D warnings
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Install dependencies
+        run: |
+          cargo install cargo-all-features
+      - name: Show toolchain information
+        working-directory: ${{github.workspace}}
+        run: |
+          rustup toolchain list
+          cargo --version
+      - name: cargo-check all possible feature combinations
+        run: |
+          cargo check-all-features
+      - name: cargo-test all possible feature combinations
+        run: |
+          cargo test-all-features
+
+  coverage:
+    name: Collect coverage info
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Install dependencies
+        run: |
+          cargo install cargo-tarpaulin
+      - name: Show toolchain information
+        working-directory: ${{github.workspace}}
+        run: |
+          rustup toolchain list
+          cargo --version
+      - name: Run tests to collect code coverage information
+        run: |
+          # enable nightly features so that we can also include Doctests
+          RUSTC_BOOTSTRAP=1 cargo tarpaulin -o xml -o lcov -o html --doc --tests --all-features
+      - name: Upload coverage report (xml)
+        uses: actions/upload-artifact@v4
+        with:
+          name: Test Coverage Results (xml)
+          path: cobertura.xml
+      - name: Upload coverage report (lcov)
+        uses: actions/upload-artifact@v4
+        with:
+          name: Test Coverage Results (lcov)
+          path: lcov.info
+      - name: Upload coverage report (html)
+        uses: actions/upload-artifact@v4
+        with:
+          name: Test Coverage Results (html)
+          path: tarpaulin-report.html
+
+  build-docs:
+    name: Build documentation
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Create Documentation
+        working-directory: ${{github.workspace}}
+        run: RUSTDOCFLAGS=-Dwarnings cargo doc -p up-streamer --no-deps

.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# cargo-tarpaulin
+cobertura.xml
+lcov.info
+tarpaulin-report.html
+
+.idea/

CONTRIBUTING.md

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+# Contributing to Eclipse uProtocol
+
+Thanks for your interest in this project. Contributions are welcome!
+
+Please refer to the main [CONTRIBUTING](https://github.com/eclipse-uprotocol/.github/blob/main/CONTRIBUTING.adoc) resource for Eclipse uProtocol to get most of the general overview.
+
+The following is from [`up-rust`](https://github.com/eclipse-uprotocol/up-rust) project and is specific to Rust development for uProtocol.
+
+## Setting up a development environment
+
+You can use any development environment you like to contribute to  `up-streamer-rust`. However, it is mandatory to use the Rust linter ('[clippy](<https://github.com/rust-lang/rust-clippy>)') for any pull requests you do.
+To set up VSCode to run clippy per default every time you save your code, have a look here: [How to use Clippy in VS Code with rust-analyzer?](https://users.rust-lang.org/t/how-to-use-clippy-in-vs-code-with-rust-analyzer/41881)
+
+Similarly, the project requests that markdown is formatted and linted properly - to help with this, it is recommended to use [markdown linters](https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint).
+
+During development, before submitting a PR, you can use `./tools/fmt_clippy_doc.sh` to run these checks on the workspace.
+
+There also exists a helper script in ./tools to generate test results and test code coverage reports. These reports are placed in the `./target/tarpaulin` directory. If you use VSCode with the [Coverage Gutters](https://marketplace.visualstudio.com/items?itemName=ryanluker.vscode-coverage-gutters) extension, you can enable display of code coverage information with these settings:
+
+``` json
+  "coverage-gutters.coverageBaseDir": "**",
+  "coverage-gutters.coverageFileNames": [
+    "target/tarpaulin/lcov.info",
+  ],
+```
+
+## DevContainer
+
+All of these prerequisites are made available as a VSCode devcontainer, configured at the usual place (`.devcontainer`).
+
+## Contact
+
+Contact the project developers via the project's "dev" list.
+
+<https://accounts.eclipse.org/mailing-list/uprotocol-dev>