server: also disable nagle's

src/bin/mgen-server.rs

@@ -6,7 +6,7 @@ use std::result::Result;
 use std::sync::Arc;
 use std::time::Duration;
 use tokio::io::{split, AsyncWriteExt, ReadHalf, WriteHalf};
-use tokio::net::{TcpListener, TcpStream};
+use tokio::net::{TcpSocket, TcpStream};
 use tokio::sync::{mpsc, Notify, RwLock};
 use tokio::time::{timeout_at, Instant};
 use tokio_rustls::{rustls::PrivateKey, server::TlsStream, TlsAcceptor};
@@ -53,7 +53,11 @@ async fn main() -> Result<(), Box<dyn Error>> {
         .with_single_cert(certs, key)?;
     let acceptor = TlsAcceptor::from(Arc::new(config));
 
-    let listener = TcpListener::bind(&listen_addr).await?;
+    let addr = listen_addr.parse().unwrap();
+    let socket = TcpSocket::new_v4()?;
+    socket.set_nodelay(true)?;
+    socket.bind(addr)?;
+    let listener = socket.listen(4096)?;
     log!("listening,{}", listen_addr);
 
     // Maps group name to the table of message channels.