From 90c075527f6dd3286a38981d777a27a257ee0c11 Mon Sep 17 00:00:00 2001
From: omagdy <omar.professional8777@gmail.com>
Date: Tue, 15 Jul 2025 01:33:59 +0300
Subject: codecrafters submit [skip ci]

---
 src/main.rs | 37 ++++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index 5c89f41..c3a88b0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,24 +1,43 @@
 #![allow(unused_imports)]
 use std::{
     io::{Read, Write},
-    net::TcpListener,
+    net::{TcpListener, TcpStream},
+    thread,
 };
 
-fn main() {
+fn handle_client(mut stream: TcpStream) {
+    let mut buffer = [0; 512];
+    loop {
+        let _bytes_read = match stream.read(&mut buffer) {
+            Ok(0) => return, // connection closed
+            Ok(n) => n,
+            Err(_) => return, // error occurred
+        };
+
+        // Hardcode PONG response for now
+        stream.write(b"+PONG\r\n").unwrap();
+
+        // Echo the message back
+        // if let Err(_) = stream.write_all(&buffer[..bytes_read]) {
+        //     return; // writing failed
+        // }
+    }
+}
+
+fn main() -> std::io::Result<()> {
     let listener = TcpListener::bind("127.0.0.1:6379").unwrap();
 
     for stream in listener.incoming() {
         match stream {
-            Ok(mut stream) => {
-                let mut buf = [0; 512];
-                loop {
-                    let _ = stream.read(&mut buf).unwrap();
-                    stream.write(b"+PONG\r\n").unwrap();
-                }
+            Ok(stream) => {
+                thread::spawn(|| {
+                    handle_client(stream);
+                });
             }
             Err(e) => {
-                println!("error: {}", e);
+                eprintln!("Connection failed: {}", e);
             }
         }
     }
+    Ok(())
 }
-- 
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