major refactoring

experiment-scripts/server.py

@@ -30,7 +30,16 @@ def forward(source_socket):
             label = "A→B" if addr == DEVICE1_ADDR else "B→A"
             if addr != DEVICE1_ADDR and addr != DEVICE2_ADDR:
                 label = f"unknown {addr}"
+            
+            # Forward to other player
             sock_from_A.sendto(data, (target_ip, 5000))
+            
+            # Also forward to app.py tracking listener on port 5002
+            # Prepend source IP so app.py can identify which player sent the data
+            source_ip = addr[0]
+            tagged_data = f"SOURCE_IP:{source_ip}|".encode('utf-8') + data
+            sock_from_A.sendto(tagged_data, ("127.0.0.1", 5002))
+            
             timestamp = datetime.now().strftime("%H:%M:%S")
 
             # Logging