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|
//! Echo example.
//! Use `nc 127.0.0.1 30000` to connect.
use futures::StreamExt;
use mini_rust_runtime::executor::Executor;
use mini_rust_runtime::net::tcp::TcpListener;
use tokio::io::{AsyncReadExt, AsyncWriteExt};
fn main() {
let ex = Executor::new(); // 执行器实例
ex.block_on(test); // 协程最开始的地方
}
async fn test(){
let test1 = serve;
let test2= serve2;
// 并发执行 test1 test2
let ((),()) = futures::join!(test1(), test2());
}
async fn serve2(){
let mut listener2 = TcpListener::bind("127.0.0.1:30001").unwrap(); // 绑定地址:端口
while let Some(ret) = listener2.next().await { // 等待下一个 Tcp 连接
// 如果 tcp 建立连接成功, 取 stream 和 addr
if let Ok((mut stream, addr)) = ret {
println!("accept a new connection from {} successfully", addr);
let f = async move {
let mut buf = [0; 4096];
loop {
match stream.read(&mut buf).await {
Ok(n) => {
if n == 0 || stream.write_all(&buf[..n]).await.is_err() {
// 回写
return;
}
}
Err(_) => {
return;
}
}
}
};
Executor::spawn(f);
}
}
}
async fn serve() {
let mut listener = TcpListener::bind("127.0.0.1:30000").unwrap(); // 绑定地址:端口
while let Some(ret) = listener.next().await {
if let Ok((mut stream, addr)) = ret {
println!("accept a new connection from {} successfully", addr);
let f = async move {
let mut buf = [0; 4096];
loop {
match stream.read(&mut buf).await {
Ok(n) => {
if n == 0 || stream.write_all(&buf[..n]).await.is_err() {
// 回写
return;
}
}
Err(_) => {
return;
}
}
}
};
Executor::spawn(f);
}
}
}
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