The WebSocket
support for the Routerify library.
Add this to your Cargo.toml
file:
toml
[dependencies]
routerify = "2"
routerify-ws = "2"
``rust
// Import
SinkExtand
StreamExt` to send and read websocket messages.
use futures::{SinkExt, StreamExt};
use hyper::{Body, Response, Server};
use routerify::{Router, RouterService};
// Import websocket types.
use routerifyws::{upgradews, Message, WebSocket};
use std::{convert::Infallible, net::SocketAddr};
// A handler for websocket connections. async fn wshandler(ws: WebSocket) { println!("New websocket connection: {}", ws.remoteaddr());
// The `WebSocket` implements the `Sink` and `Stream` traits
// to read and write messages.
let (mut tx, mut rx) = ws.split();
// Read messages.
while let Some(msg) = rx.next().await {
let msg = msg.unwrap();
// Check message type and take appropriate actions.
if msg.is_text() {
println!("{}", msg.into_text().unwrap());
} else if msg.is_binary() {
println!("{:?}", msg.into_bytes());
}
// Send a text message.
let send_msg = Message::text("Hello world");
tx.send(send_msg).await.unwrap();
}
}
fn router() -> Router
{ // Create a router and specify the path and the handler for new websocket connections. Router::builder() // It will accept websocket connections at/ws
path with any method type.
.anymethod("/ws", upgradews(wshandler))
// It will accept http connections at /
path.
.get("/", |req| async move {
Ok(Response::new("I also serve http requests".into()))
})
.build()
.unwrap()
}
async fn main() { let router = router();
// Create a Service from the router above to handle incoming requests.
let service = RouterService::new(router).unwrap();
// The address on which the server will be listening.
let addr = SocketAddr::from(([127, 0, 0, 1], 3001));
// Create a server by passing the created service to `.serve` method.
let server = Server::bind(&addr).serve(service);
println!("App is running on: {}", addr);
if let Err(err) = server.await {
eprintln!("Server error: {}", err);
}
} ```
Your PRs and suggestions are always welcome.