Reading bytes time

httpong/src/main.rs

@@ -1,9 +1,22 @@
 use std::env;
+use std::io::Read;
 use std::net::{TcpListener, TcpStream};
 
-fn handle_client(stream: TcpStream) {
+fn handle_client(stream: &mut TcpStream) -> std::io::Result<()> {
     println!("---> handling stream {:?}", stream);
-    // ...
+    let mut buf = [0; 1024];
+    let n = stream.read(&mut buf[..])?;
+    let req = std::str::from_utf8(&buf[..n]);
+    match req {
+        Ok(s) => {
+            println!("---> first {} bytes: {:?}", n, s);
+            Ok(())
+        }
+        Err(e) => {
+            println!("---> oh no {:?}", e);
+            Ok(())
+        }
+    }
 }
 
 fn main() -> std::io::Result<()> {
@@ -16,7 +29,9 @@ fn main() -> std::io::Result<()> {
     let listener = TcpListener::bind(addr)?;
 
     for stream in listener.incoming() {
-        handle_client(stream?);
+        if let Ok(_) = handle_client(&mut stream?) {
+            println!("---> looks like that went well")
+        }
     }
     Ok(())
 }