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https://github.com/totodore/socketioxide
A socket.io server implementation in Rust that integrates with the Tower ecosystem and the Tokio stack.
https://github.com/totodore/socketioxide
axum hyper rust socket-io tokio tower
Last synced: 2 days ago
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A socket.io server implementation in Rust that integrates with the Tower ecosystem and the Tokio stack.
- Host: GitHub
- URL: https://github.com/totodore/socketioxide
- Owner: Totodore
- License: mit
- Created: 2023-03-12T03:23:23.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2023-12-18T17:08:28.000Z (10 months ago)
- Last Synced: 2023-12-19T14:01:00.237Z (10 months ago)
- Topics: axum, hyper, rust, socket-io, tokio, tower
- Language: Rust
- Homepage: https://docs.rs/socketioxide
- Size: 2.77 MB
- Stars: 649
- Watchers: 3
- Forks: 25
- Open Issues: 10
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
README
# [`Socketioxide`](https://github.com/totodore/socketioxide) 🚀🦀
A [***`socket.io`***](https://socket.io) server implementation in Rust that integrates with the [***`Tower`***](https://tokio.rs/#tk-lib-tower) ecosystem and the [***`Tokio stack`***](https://tokio.rs). It integrates with any server framework based on tower like [***`Axum`***](https://docs.rs/axum/latest/axum/), [***`Warp`***](https://docs.rs/warp/latest/warp/), [***`Salvo`***](https://salvo.rs), [***`Viz`***](https://viz.rs) or [***`Hyper`***](https://docs.rs/hyper/latest/hyper/). Add any other tower based middleware on top of socketioxide such as CORS, authorization, compression, etc with [***`tower-http`***](https://docs.rs/tower-http/latest/tower_http/).
> ⚠️ This crate is under active development and the API is not yet stable.
[](https://crates.io/crates/socketioxide)
[](https://docs.rs/socketioxide)
[](https://github.com/Totodore/socketioxide/actions/workflows/github-ci.yml)
## Features :
* Integrates with :
* [Axum](https://docs.rs/axum/latest/axum/): [🏓echo example](./examples/axum-echo/axum_echo.rs)
* [Warp](https://docs.rs/warp/latest/warp/): [🏓echo example](https://github.com/Totodore/socketioxide/blob/v0.8.0/examples/warp-echo/warp_echo.rs) (Not supported with `socketioxide >= 0.9.0` as long as warp doesn't migrate to hyper v1)
* [Hyper](https://docs.rs/hyper/latest/hyper/): [🏓echo example](./examples/hyper-echo/hyper_echo.rs)
* [Salvo](https://salvo.rs): [🏓echo example](./examples/salvo-echo/salvo_echo.rs)
* [Viz](https://viz.rs): [🏓echo example](./examples/viz-echo/viz_echo.rs)
* Out of the box support for any other middleware based on tower :
* [🔓CORS](https://docs.rs/tower-http/latest/tower_http/cors)
* [📁Compression](https://docs.rs/tower-http/latest/tower_http/compression)
* [🔐Authorization](https://docs.rs/tower-http/latest/tower_http/auth)
* Namespaces and Dynamic Namespaces
* Rooms
* Ack and emit with ack
* Binary packets
* Polling & Websocket transports
* Extensions to add custom data to sockets
* Memory efficient http payload parsing with streams
* Flexible axum-like API to handle events. With extractors to extract data from your handlers
* Well tested with the official [end to end test-suite](https://github.com/totodore/socketioxide/actions)
* Socket.io versions supported :
* [🔌protocol v5](https://socket.io/docs/v4/) : socket.io js from v3.0.0..latest, it is enabled by default
* [🔌protocol v4](https://github.com/socketio/socket.io-protocol/tree/v4) : based on engine.io v3, under the feature flag `v4`, (socket.io js from v1.0.3..latest)
## Planned features :
* Other adapter to share state between server instances (like redis adapter), currently only the in memory adapter is implemented
* State recovery when a socket reconnects
## Examples :
Chat app 💬 (see full example here)
```rust
io.ns("/", |s: SocketRef| {
s.on("new message", |s: SocketRef, Data::(msg)| {
let username = s.extensions.get::().unwrap().clone();
let msg = Res::Message {
username,
message: msg,
};
s.broadcast().emit("new message", msg).ok();
});
s.on(
"add user",
|s: SocketRef, Data::(username), user_cnt: State| {
if s.extensions.get::().is_some() {
return;
}
let num_users = user_cnt.add_user();
s.extensions.insert(Username(username.clone()));
s.emit("login", Res::Login { num_users }).ok();
let res = Res::UserEvent {
num_users,
username: Username(username),
};
s.broadcast().emit("user joined", res).ok();
},
);
s.on("typing", |s: SocketRef| {
let username = s.extensions.get::().unwrap().clone();
s.broadcast()
.emit("typing", Res::Username { username })
.ok();
});
s.on("stop typing", |s: SocketRef| {
let username = s.extensions.get::().unwrap().clone();
s.broadcast()
.emit("stop typing", Res::Username { username })
.ok();
});
s.on_disconnect(|s: SocketRef, user_cnt: State| {
if let Some(username) = s.extensions.get::() {
let num_users = user_cnt.remove_user();
let res = Res::UserEvent {
num_users,
username: username.clone(),
};
s.broadcast().emit("user left", res).ok();
}
});
});
```
Echo implementation with Axum 🏓
```rust
use axum::routing::get;
use serde_json::Value;
use socketioxide::{
extract::{AckSender, Bin, Data, SocketRef},
SocketIo,
};
use tracing::info;
use tracing_subscriber::FmtSubscriber;
fn on_connect(socket: SocketRef, Data(data): Data) {
info!("Socket.IO connected: {:?} {:?}", socket.ns(), socket.id);
socket.emit("auth", data).ok();
socket.on(
"message",
|socket: SocketRef, Data::(data), Bin(bin)| {
info!("Received event: {:?} {:?}", data, bin);
socket.bin(bin).emit("message-back", data).ok();
},
);
socket.on(
"message-with-ack",
|Data::(data), ack: AckSender, Bin(bin)| {
info!("Received event: {:?} {:?}", data, bin);
ack.bin(bin).send(data).ok();
},
);
}
#[tokio::main]
async fn main() -> Result<(), Box> {
tracing::subscriber::set_global_default(FmtSubscriber::default())?;
let (layer, io) = SocketIo::new_layer();
io.ns("/", on_connect);
io.ns("/custom", on_connect);
let app = axum::Router::new()
.route("/", get(|| async { "Hello, World!" }))
.layer(layer);
info!("Starting server");
let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
axum::serve(listener, app).await.unwrap();
Ok(())
}
```
Other examples are available in the example folder
## Contributions and Feedback / Questions :
Any contribution is welcome, feel free to open an issue or a PR. If you want to contribute but don't know where to start, you can check the [issues](https://github.com/totodore/socketioxide/issues).
If you have any question or feedback, please open a thread on the [discussions](https://github.com/totodore/socketioxide/discussions) page.
## License 🔐
This project is licensed under the [MIT license](./LICENSE).