/
main.rs
49 lines (45 loc) 路 1.31 KB
/
main.rs
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#![feature(wasi_ext)]
use kwasm_net::{schedule, Epoll, Tcp4Listener, TcpStream};
use std::sync::Arc;
fn do_echo(stream: Arc<TcpStream>, buf: Vec<u8>) {
let stream2 = stream.clone();
stream.read_async(buf, move |result| match result {
Ok(buf) => {
if buf.len() == 0 {
return;
}
let stream = stream2.clone();
stream2.write_all_async(buf, move |result| match result {
Ok(buf) => {
schedule(|| {
do_echo(stream, buf);
});
}
Err(code) => {
println!("failed to write; code = {}", code);
}
});
}
Err(code) => {
println!("failed to read; code = {}", code);
}
});
}
fn main() {
let epoll = Arc::new(Epoll::new());
let listener = Arc::new(Tcp4Listener::new("0.0.0.0", 2001, 128).unwrap());
listener.accept_async(epoll.clone(), |stream| match stream {
Ok(stream) => {
do_echo(stream, Vec::with_capacity(16384));
Ok(())
}
Err(code) => {
println!("failed to accept; code = {}", code);
Err(())
}
});
println!("start epoll");
unsafe {
epoll.run();
}
}