handle_client now supports multiple messages

src/modules/socket_handler.rs

@@ -23,7 +23,7 @@ impl Socket {
         let handle = thread::spawn(move || {
             listener.set_nonblocking(true).unwrap();
             while thread_stop_flag.get() {
-                for (stream, addr) in listener.accept() {
+                for (stream, _addr) in listener.accept() {
                     Socket::handle_client(stream, messenger_tx.clone());
                 }
                 thread::sleep(Duration::from_millis(100));
@@ -34,17 +34,21 @@ impl Socket {
     }
 
     pub fn handle_client(mut stream: TcpStream, update_tx: Sender<String>) {
-        let mut buffer = [0; 1024]; 
+        let mut buffer = [0; 1024];
 
-        let read_size = stream.read(&mut buffer).unwrap();
-
-        //Tcp is supposed to have a 0 byte read if closed by client
-        if read_size == 0 {
-            stream.shutdown(Shutdown::Both).unwrap();
-            return
+        loop {
+            let read_size = stream.read(&mut buffer).unwrap();
+    
+            //Tcp is supposed to have a 0 byte read if closed by client
+            if read_size == 0 {
+                stream.shutdown(Shutdown::Both).unwrap();
+                thread::sleep(Duration::from_millis(75));
+                break;
+            }
+            let output = String::from_utf8_lossy(&buffer[0..read_size]);
+            update_tx.send(output.into_owned()).unwrap();
         }
 
-        let output = String::from_utf8_lossy(&buffer[0..read_size]);
-        update_tx.send(output.into_owned()).unwrap();
+
     }
 }

src/tests/socket_handler_tests.rs

@@ -48,3 +48,32 @@ fn can_handle_messages() {
     let message = rx_1.recv().unwrap();
     assert_eq!(message, String::from("this is a test"));
 }
+
+#[test]
+fn can_handle_delayed_messages() {
+    let listener = Socket::make_listener("localhost:5005");
+    let (tx_1, rx_1) = mpsc::channel::<String>();
+
+    let (mut flag, connection_handle) = Socket::handle_connections(listener, tx_1);
+
+    let join_handle = std::thread::spawn(move || {
+        let mut outgoing = std::net::TcpStream::connect("localhost:5005").unwrap();
+        outgoing.write("this is a test1\n".as_bytes()).unwrap();
+        thread::sleep(Duration::from_millis(500));
+        outgoing.write("this is a test3\n".as_bytes()).unwrap();
+        drop(outgoing);
+    });
+    join_handle.join().unwrap();
+    thread::sleep(Duration::from_millis(1000));
+
+    let message = rx_1.recv().unwrap();
+    println!("{}", message);
+    assert_eq!(message, String::from("this is a test1\n"));
+    
+    let message = rx_1.recv().unwrap();
+    println!("{}", message);
+    assert_eq!(message, String::from("this is a test3\n"));
+    
+    flag.set(false);
+    connection_handle.join().unwrap();
+}