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#![feature(await_macro, async_await)]
use tokio::async_wait;
use tokio::net::{TcpListener, TcpStream};
use tokio::prelude::*;
use std::net::SocketAddr;
fn handle(mut stream: TcpStream) {
tokio::spawn_async(async move {
let mut buf = [0; 1024];
loop {
match async_wait!(stream.read_async(&mut buf)).unwrap() {
0 => break, // Socket closed
n => {
// Send the data back
async_wait!(stream.write_all_async(&buf[0..n])).unwrap();
}
}
}
});
}
#[tokio::main]
async fn main() {
use std::env;
let addr = env::args().nth(1).unwrap_or("127.0.0.1:8080".to_string());
let addr = addr.parse::<SocketAddr>().unwrap();
// Bind the TCP listener
let listener = TcpListener::bind(&addr).unwrap();
println!("Listening on: {}", addr);
let mut incoming = listener.incoming();
while let Some(stream) = async_wait!(incoming.next()) {
let stream = stream.unwrap();
handle(stream);
}
}
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