does it work

vckoserver.py

@@ -7,27 +7,32 @@ class ServerVCKO:
         self.host = socket.gethostname()
         self.port = 5000 
         self.server_socket = socket.socket()  
-        self.server_socket.bind((host, port))
+        self.server_socket.bind((self.host, self.port))
         self.header_size = 1024
         self.format = "utf-8"
-        
+        self.disconnect_message = "!DISCONNECT"
+
     def handle_client(conn, addr):
         print("Connection from: " + str(address))
         connected = True
         while connected:
             msg_length = conn.recv(self.header_size).decode(self.format)
-            msg_length = int(msg_length)
-            msg = conn.recv(msg_length).decode(self.format)
-            print(f"[{addr
-                
+            if msg_length:
+                msg_length = int(msg_length)
+                msg = conn.recv(msg_length).decode(self.format)
+                if msg == disconnect_message:
+                    connected = False
+            print(f"[{addr}] {msg}")
+        conn.close()
     def start(self):
-        self.server.listen()
+        self.server_socket.listen()
+        print(f"server is listening on {socket.gethostbyname(self.host)}")
         while True:
-            conn, address = server_socket.accept()
-            thread = threading.Thread(target = handle_client, args = (conn, addr))
+            conn, address = self.server_socket.accept()
+            thread = threading.Thread(target = self.handle_client, args = (conn, address))
             thread.start
-            print(f"Active threads: {threading.activeCount() - 1}")
-            
+            print(f"Active threads: {threading.active_count() - 1}")
+ 
 if __name__ == '__main__':
     print("server starting")
     server = ServerVCKO()