core/rustybot/src/main.rs

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2021-01-01 14:07:16 +00:00
use std::env;
use std::net::SocketAddr;
use futures_util::StreamExt;
use tokio::net::{TcpListener, TcpStream};
pub type BoxError = Box<dyn std::error::Error + Send + Sync>;
async fn accept_connection(stream: TcpStream, addr: SocketAddr) -> Result<(), BoxError> {
println!("Peer address: {}", addr);
let ws_stream = tokio_tungstenite::accept_async(stream)
.await
.err(format!("Error during WS handshake.").into());
println!("New WebSocket connection: {}", addr);
let (write, read) = ws_stream.split();
read.forward(write).await.expect("Failed to forward message")
}
#[tokio::main]
async fn main() -> Result<(), BoxError> {
// Create the event loop and TCP listener we'll accept connections on.
let addr = env::args().nth(1).unwrap_or_else(|| "127.0.0.1:8080".to_string());
let try_socket = TcpListener::bind(&addr).await;
let mut listener = try_socket.expect("Failed to bind");
while let Ok((stream, addr)) = listener.accept().await {
tokio::spawn(accept_connection(stream, addr));
}
Ok(())
}