Created
September 21, 2023 08:24
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Rust TCP echo server
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use tokio::io::AsyncReadExt; | |
use tokio::io::AsyncWriteExt; | |
use tokio::net::TcpListener; | |
use tokio::net::TcpStream; | |
const ECHO_SERVER_ADDRESS: &str = "127.0.0.1:1337"; | |
#[tokio::main] | |
async fn main(){ | |
let tcp_listner = TcpListener::bind(ECHO_SERVER_ADDRESS).await.unwrap(); | |
loop { | |
let (socket, _) = tcp_listner.accept().await.unwrap(); | |
tokio::spawn(async move { | |
handle_stream(socket).await; | |
}); | |
} | |
} | |
async fn handle_stream(mut stream: TcpStream){ | |
println!("Connected by {}", stream.peer_addr().unwrap()); | |
let mut buffer = [0u8; 1024]; | |
while match stream.read(&mut buffer).await { | |
Ok(size) => { | |
println!("Received: {}", String::from_utf8_lossy(&buffer[..size])); | |
let _ = stream.write(&buffer[..size]).await.unwrap(); | |
true | |
} | |
Err(e) => { | |
println!("Error: {}", e); | |
false | |
} | |
} {} | |
} |
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Tokio runtime