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async-tungstenite/examples/autobahn-server.rs

51 lines
1.4 KiB

use async_std::net::{SocketAddr, TcpListener, TcpStream};
use async_tungstenite::{accept_async, tungstenite::Error};
use futures::prelude::*;
use log::*;
use tungstenite::Result;
async fn accept_connection(peer: SocketAddr, stream: TcpStream) {
if let Err(e) = handle_connection(peer, stream).await {
match e {
Error::ConnectionClosed | Error::Protocol(_) | Error::Utf8 => (),
err => error!("Error processing connection: {}", err),
}
}
}
async fn handle_connection(peer: SocketAddr, stream: TcpStream) -> Result<()> {
let mut ws_stream = accept_async(stream).await.expect("Failed to accept");
info!("New WebSocket connection: {}", peer);
while let Some(msg) = ws_stream.next().await {
let msg = msg?;
if msg.is_text() || msg.is_binary() {
ws_stream.send(msg).await?;
}
}
Ok(())
}
async fn run() {
env_logger::init();
let addr = "127.0.0.1:9002";
let listener = TcpListener::bind(&addr).await.expect("Can't listen");
info!("Listening on: {}", addr);
while let Ok((stream, _)) = listener.accept().await {
let peer = stream
.peer_addr()
.expect("connected streams should have a peer address");
info!("Peer address: {}", peer);
async_std::task::spawn(accept_connection(peer, stream));
}
}
fn main() {
async_std::task::block_on(run());
}