From a2767949969f8463670849d3e8b0c093cd882c5d Mon Sep 17 00:00:00 2001 From: Guillaume Leroy Date: Sun, 21 Jan 2024 18:31:38 +0100 Subject: [PATCH] chore: initial commit --- .github/release.yml | 20 + .github/workflows/build.yml | 29 + .github/workflows/lint.yml | 25 + .github/workflows/release.yml | 29 + .gitignore | 1 + .pre-commit-config.yaml | 27 + CONTRIBUTING.md | 20 + Cargo.lock | 1763 +++++++++++++++++++++++++++++++++ Cargo.toml | 29 + LICENSE | 21 + README.md | 20 + docker-compose.yml | 24 + examples/kafka.rs | 91 ++ examples/rabbitmq.rs | 86 ++ src/lib.rs | 163 +++ 15 files changed, 2348 insertions(+) create mode 100644 .github/release.yml create mode 100644 .github/workflows/build.yml create mode 100644 .github/workflows/lint.yml create mode 100644 .github/workflows/release.yml create mode 100644 .gitignore create mode 100644 .pre-commit-config.yaml create mode 100644 CONTRIBUTING.md create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 LICENSE create mode 100644 README.md create mode 100644 docker-compose.yml create mode 100644 examples/kafka.rs create mode 100644 examples/rabbitmq.rs create mode 100644 src/lib.rs diff --git a/.github/release.yml b/.github/release.yml new file mode 100644 index 0000000..8805a11 --- /dev/null +++ b/.github/release.yml @@ -0,0 +1,20 @@ +changelog: + categories: + - title: ๐Ÿ’ฃ Breaking Changes + labels: + - breaking-change + - title: ๐Ÿš€ Features + labels: + - feature + - title: ๐Ÿ› Bug Fixes + labels: + - bug + - title: ๐Ÿ“ Documentation + labels: + - doc + - title: ๐Ÿงช Tests + labels: + - test + - title: ๐Ÿ› ๏ธ Build + labels: + - build diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml new file mode 100644 index 0000000..7d1609a --- /dev/null +++ b/.github/workflows/build.yml @@ -0,0 +1,29 @@ +name: Build + +concurrency: + group: ${{ github.workflow }}-${{ github.ref_name }} + cancel-in-progress: true + +on: + push: + paths: + - '**/*.rs' + - Cargo.lock + - Cargo.toml + +jobs: + build: + name: Build + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@main + + - name: Set up Rust + uses: actions-rs/toolchain@master + + - name: Build + run: cargo build --all-features + + - name: Build examples + run: cargo build --examples diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml new file mode 100644 index 0000000..2b10f94 --- /dev/null +++ b/.github/workflows/lint.yml @@ -0,0 +1,25 @@ +name: Lint + +concurrency: + group: ${{ github.workflow }}-${{ github.ref_name }} + cancel-in-progress: true + +on: + push: + +jobs: + lint: + name: Lint + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@main + + - name: Set up Python + uses: actions/setup-python@main + with: + cache: pip + python-version: '3' + + - name: Run pre-commit + uses: pre-commit/action@main diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml new file mode 100644 index 0000000..828ff65 --- /dev/null +++ b/.github/workflows/release.yml @@ -0,0 +1,29 @@ +name: Release + +permissions: + contents: write + +on: + push: + tags: ['*'] + +jobs: + release: + name: Release + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@main + + - name: Set up Rust + uses: actions-rs/toolchain@master + + - name: Publish + env: + CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }} + run: cargo publish --all-features + + - name: Create release + uses: softprops/action-gh-release@master + with: + generate_release_notes: true diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml new file mode 100644 index 0000000..48b2944 --- /dev/null +++ b/.pre-commit-config.yaml @@ -0,0 +1,27 @@ +repos: +- repo: https://github.com/pre-commit/pre-commit-hooks + rev: v4.5.0 + hooks: + - id: check-json + - id: check-yaml + - id: pretty-format-json + args: [--autofix] + - id: trailing-whitespace + exclude: .rs$ + - id: end-of-file-fixer + exclude: .rs$ +- repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks + rev: v2.11.0 + hooks: + - id: pretty-format-yaml + args: [--autofix] + - id: pretty-format-toml + args: [--autofix] +- repo: https://github.com/doublify/pre-commit-rust + rev: v1.0 + hooks: + - id: fmt + - id: cargo-check + args: [--all-features] + - id: clippy + args: [--all-features, --tests, --, -D, warnings] diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..8970e94 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,20 @@ +# Contributing + +## Requirement + +- [Rust](https://rustup.rs/) +- [pre-commit](https://pre-commit.com/) + +## Getting started + +```bash +git clone https://github.com/leroyguillaume/stream-consumer-task.git +cd stream-consumer-task +pre-commit install +``` + +## How to build + +```bash +cargo build --all-features +``` diff --git 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"b7cf47b659b318dccbd69cc4797a39ae128f533dce7902a1096044d1967b9c16" +dependencies = [ + "memchr", +] + +[[package]] +name = "yasna" +version = "0.5.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e17bb3549cc1321ae1296b9cdc2698e2b6cb1992adfa19a8c72e5b7a738f44cd" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..da538a0 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,29 @@ +[dependencies] +futures = "0" +rdkafka = {version = "0", optional = true} +tokio = {version = "1", features = ["macros", "rt", "sync"]} +tracing = "0" + +[dev-dependencies] +anyhow = "1" +lapin = "2" +tokio = {version = "1", features = ["full"]} + +[features] +kafka = ["dep:rdkafka"] + +[package] +authors = ["Guillaume Leroy "] +categories = ["asynchronous"] +description = "Start asynchronous task in background to consume stream" +documentation = "https://docs.rs/stream-consumer-task" +edition = "2021" +keywords = ["async", "asynchronous", "background", "consumer", "stream", "task"] +license = "MIT" +name = "stream-consumer-task" +repository = "https://github.com/leroyguillaume/stream-consumer-task" +version = "0.1.0" + +[package.metadata.docs.rs] +all-features = true +rustdoc-args = ["--cfg", "docsrs"] diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..6c6de6d --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2024 Guillaunme Leroy + +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. diff --git a/README.md b/README.md new file mode 100644 index 0000000..4b50071 --- /dev/null +++ b/README.md @@ -0,0 +1,20 @@ +# stream-consumer-task + +Start asynchronous task in background to consume stream. +It can be useful if your application consumes several RabbitMQ queues or Kafka Topics. + +## Getting started + +Add to your `Cargo.toml`: +```toml +[dependencies] +... +stream-consumer-task = "0" +... +``` + +You can look [examples](./examples/) to see how to use the library. + +## Contributing + +See [CONTRIBUTING.md](./CONTRIBUTING.md). diff --git a/docker-compose.yml b/docker-compose.yml new file mode 100644 index 0000000..36ceee8 --- /dev/null +++ b/docker-compose.yml @@ -0,0 +1,24 @@ +version: '3' + +services: + kafka: + image: confluentinc/cp-kafka + environment: + KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://127.0.0.1:9092 + KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 + KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181 + ports: + - 9092:9092 + depends_on: [zookeeper] + + rabbitmq: + image: rabbitmq + ports: + - 5672:5672 + + zookeeper: + image: confluentinc/cp-zookeeper + environment: + ZOOKEEPER_CLIENT_PORT: 2181 + ports: + - 2181:2181 diff --git a/examples/kafka.rs b/examples/kafka.rs new file mode 100644 index 0000000..c5112b8 --- /dev/null +++ b/examples/kafka.rs @@ -0,0 +1,91 @@ +use std::time::Duration; + +use rdkafka::{ + consumer::{Consumer, StreamConsumer}, + producer::{FutureProducer, FutureRecord}, + ClientConfig, Message, +}; +use stream_consumer_task::{KafkaStreamConsumerAdapter, StreamConsumerTask}; +use tokio::{ + select, + signal::unix::{signal, SignalKind}, + spawn, + task::JoinSet, + time::sleep, +}; + +// main + +#[tokio::main] +async fn main() -> anyhow::Result<()> { + let brokers = "127.0.0.1:9092"; + let topic = "test"; + let csm: KafkaStreamConsumerAdapter = ClientConfig::new() + .set("bootstrap.servers", brokers) + .set("group.id", "test") + .set("enable.auto.commit", "true") + .create::()? + .into(); + csm.as_ref().subscribe(&[topic])?; + let csm = StreamConsumerTask::start(csm, |msg, mut stop_rx| async move { + match msg { + Ok(msg) => { + let res: anyhow::Result<()> = async { + let payload = msg.payload().map(Vec::from).unwrap_or_default(); + let payload = String::from_utf8(payload)?; + select! { + _ = sleep(Duration::from_secs(5)) => { + println!("{payload} - processed"); + } + _ = stop_rx.changed() => { + println!("{payload} - stopped"); + } + } + Ok(()) + } + .await; + if let Err(err) = res { + eprintln!("failed to handle message: {err}"); + } + } + Err(err) => { + eprintln!("failed to handle message: {err}"); + } + } + }); + let mut idx = 0; + let prod: FutureProducer = ClientConfig::new() + .set("bootstrap.servers", brokers) + .create()?; + let _task = spawn(async move { + loop { + let payload = format!("msg_{idx:0>3}"); + let res = prod + .send( + FutureRecord::to(topic) + .key(&format!("{idx}")) + .payload(&payload), + Duration::from_secs(0), + ) + .await; + match res { + Ok(_) => println!("{payload} - sent"), + Err((err, _)) => eprintln!("failed to send payload: {err}"), + } + sleep(Duration::from_secs(1)).await; + idx += 1; + } + }); + let mut sig_int = signal(SignalKind::interrupt())?; + let mut sig_term = signal(SignalKind::terminate())?; + let mut sigs = JoinSet::new(); + sigs.spawn(async move { + sig_int.recv().await; + }); + sigs.spawn(async move { + sig_term.recv().await; + }); + sigs.join_next().await; + csm.stop().await; + Ok(()) +} diff --git a/examples/rabbitmq.rs b/examples/rabbitmq.rs new file mode 100644 index 0000000..cafe4ed --- /dev/null +++ b/examples/rabbitmq.rs @@ -0,0 +1,86 @@ +use std::time::Duration; + +use lapin::Connection; +use stream_consumer_task::StreamConsumerTask; +use tokio::{ + select, + signal::unix::{signal, SignalKind}, + spawn, + task::JoinSet, + time::sleep, +}; + +// main + +#[tokio::main] +async fn main() -> anyhow::Result<()> { + let queue_name = "test"; + let conn = Connection::connect("amqp://127.0.0.1:5672/%2f", Default::default()).await?; + let chan_csm = conn.create_channel().await?; + chan_csm + .queue_declare(queue_name, Default::default(), Default::default()) + .await?; + let csm = chan_csm + .basic_consume(queue_name, "", Default::default(), Default::default()) + .await?; + let csm = StreamConsumerTask::start(csm, |delivery, mut stop_rx| async move { + match delivery { + Ok(delivery) => { + let res: anyhow::Result<()> = async { + let payload = String::from_utf8(delivery.data.clone())?; + select! { + _ = sleep(Duration::from_secs(5)) => { + println!("{payload} - processed"); + delivery.ack(Default::default()).await?; + } + _ = stop_rx.changed() => { + println!("{payload} - stopped"); + } + } + Ok(()) + } + .await; + if let Err(err) = res { + eprintln!("failed to handle delivery: {err}"); + } + } + Err(err) => { + eprintln!("failed to handle delivery: {err}"); + } + } + }); + let chan_prd = conn.create_channel().await?; + let mut idx = 0; + let _task = spawn(async move { + loop { + let payload = format!("msg_{idx:0>3}"); + let res = chan_prd + .basic_publish( + "", + queue_name, + Default::default(), + payload.as_bytes(), + Default::default(), + ) + .await; + match res { + Ok(_) => println!("{payload} - sent"), + Err(err) => eprintln!("failed to send payload: {err}"), + } + sleep(Duration::from_secs(1)).await; + idx += 1; + } + }); + let mut sig_int = signal(SignalKind::interrupt())?; + let mut sig_term = signal(SignalKind::terminate())?; + let mut sigs = JoinSet::new(); + sigs.spawn(async move { + sig_int.recv().await; + }); + sigs.spawn(async move { + sig_term.recv().await; + }); + sigs.join_next().await; + csm.stop().await; + Ok(()) +} diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..16abf39 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,163 @@ +#![cfg_attr(docsrs, feature(doc_cfg))] + +use futures::{Future, StreamExt}; +use tokio::{ + select, spawn, + sync::watch::{channel, Receiver, Sender}, + task::{JoinHandle, JoinSet}, +}; +use tracing::{trace, warn}; + +// Stream + +/// A stream. +pub trait Stream { + /// Returns next item. + fn next(&mut self) -> impl Future> + Send; +} + +// StreamExt + +impl + Send + Unpin> Stream for STREAM { + async fn next(&mut self) -> Option { + self.next().await + } +} + +// KafkaStreamConsumerAdapter + +/// An adapter used to make easier [`Stream`](Stream) implementation of [`StreamConsumer`](https://docs.rs/rdkafka/latest/rdkafka/consumer/struct.StreamConsumer.html). +#[cfg(feature = "kafka")] +#[cfg_attr(docrs, doc(cfg(feature = "kafka")))] +pub struct KafkaStreamConsumerAdapter(rdkafka::consumer::StreamConsumer); + +#[cfg(feature = "kafka")] +impl KafkaStreamConsumerAdapter { + /// Creates new adapter. + pub fn new(csm: rdkafka::consumer::StreamConsumer) -> Self { + Self(csm) + } +} + +#[cfg(feature = "kafka")] +impl AsMut for KafkaStreamConsumerAdapter { + fn as_mut(&mut self) -> &mut rdkafka::consumer::StreamConsumer { + &mut self.0 + } +} + +#[cfg(feature = "kafka")] +impl AsRef for KafkaStreamConsumerAdapter { + fn as_ref(&self) -> &rdkafka::consumer::StreamConsumer { + &self.0 + } +} + +#[cfg(feature = "kafka")] +impl std::ops::Deref for KafkaStreamConsumerAdapter { + type Target = rdkafka::consumer::StreamConsumer; + + fn deref(&self) -> &Self::Target { + &self.0 + } +} + +#[cfg(feature = "kafka")] +impl std::ops::DerefMut for KafkaStreamConsumerAdapter { + fn deref_mut(&mut self) -> &mut Self::Target { + &mut self.0 + } +} + +#[cfg(feature = "kafka")] +impl std::borrow::Borrow for KafkaStreamConsumerAdapter { + fn borrow(&self) -> &rdkafka::consumer::StreamConsumer { + &self.0 + } +} + +#[cfg(feature = "kafka")] +impl std::borrow::BorrowMut for KafkaStreamConsumerAdapter { + fn borrow_mut(&mut self) -> &mut rdkafka::consumer::StreamConsumer { + &mut self.0 + } +} + +#[cfg(feature = "kafka")] +impl From for KafkaStreamConsumerAdapter { + fn from(csm: rdkafka::consumer::StreamConsumer) -> Self { + Self(csm) + } +} + +#[cfg(feature = "kafka")] +impl Stream> + for KafkaStreamConsumerAdapter +{ + async fn next( + &mut self, + ) -> Option> { + Some(self.0.recv().await.map(|msg| msg.detach())) + } +} + +// StreamConsumerTask + +/// A task that consumes stream in backgroup. +pub struct StreamConsumerTask { + stop_tx: Sender<()>, + task: JoinHandle<()>, +} + +impl<'a> StreamConsumerTask { + /// Starts a new task. + pub fn start + Send + 'static>( + mut stream: impl Stream + Send + 'static, + handle: impl Fn(ITEM, Receiver<()>) -> FUT + Send + 'static, + ) -> Self { + let (stop_tx, mut stop_rx) = channel(()); + let task = spawn(async move { + let mut tasks = JoinSet::new(); + loop { + select! { + item = stream.next() => { + match item { + Some(item) => { + trace!("spawning task to handle stream item"); + tasks.spawn(handle(item, stop_rx.clone())); + } + None => { + trace!("stream is closed"); + break; + }, + } + } + _ = stop_rx.changed() => { + trace!("stop signal received"); + break; + } + } + } + trace!("waiting for running tasks"); + while let Some(res) = tasks.join_next().await { + if let Err(err) = res { + warn!("failed to wait task: {err}"); + } + } + trace!("consumer stopped"); + }); + Self { stop_tx, task } + } + + /// Stops a task and wait for its termination. + pub async fn stop(self) { + trace!("sending stop signal"); + if let Err(err) = self.stop_tx.send(()) { + warn!("failed to send stop signal: {err}"); + } + trace!("waiting for running task"); + if let Err(err) = self.task.await { + warn!("failed to wait task: {err}"); + } + } +}