placeholder echo server with tokio

This commit is contained in:
psun256
2025-11-06 13:03:00 -05:00
parent 286ea6a66c
commit 49c4ef3e49
8 changed files with 361 additions and 0 deletions

1
.gitignore vendored Normal file
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/target

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31
src/main.rs Normal file
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use tokio::net::TcpListener;
use tokio::io::{AsyncReadExt, AsyncWriteExt};
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let listener = TcpListener::bind("0.0.0.0:8080").await?;
loop {
let (mut socket, _) = listener.accept().await?;
tokio::spawn(async move {
let mut buf = [0; 1024];
loop {
let n = match socket.read(&mut buf).await {
Ok(0) => return,
Ok(n) => n,
Err(e) => {
eprintln!("failed to read from socket; err = {:?}", e);
return;
}
};
if let Err(e) = socket.write_all(&buf[0..n]).await {
eprintln!("failed to write to socket; err = {:?}", e);
return;
}
}
});
}
}