Change worker communication from Unix sockets to TCP to fix connection issues

vidai/backend.py

@@ -22,7 +22,7 @@ Manages request routing between web interface and worker processes.
 import time
 import threading
 from .comm import SocketServer, Message
-from .config import get_analysis_backend, get_training_backend, set_analysis_backend, set_training_backend
+from .config import get_analysis_backend, get_training_backend, set_analysis_backend, set_training_backend, get_backend_worker_port
 from .queue import queue_manager
 
 
@@ -128,9 +128,8 @@ def backend_process() -> None:
     web_server = SocketServer(host='localhost', port=get_backend_web_port(), comm_type='tcp')
     web_server.start(handle_web_message)
 
-    # Start worker server (always Unix socket)
-    worker_socket_path = get_socket_path('worker')
-    worker_server = SocketServer(socket_path=worker_socket_path, comm_type='unix')
+    # Start worker server (TCP socket)
+    worker_server = SocketServer(host='localhost', port=get_backend_worker_port(), comm_type='tcp')
     worker_server.start(worker_message_handler)
 
     try:

vidai/worker_analysis.py

@@ -29,7 +29,7 @@ import cv2
 import time
 from .comm import SocketCommunicator, Message
 from .models import get_model
-from .config import get_system_prompt_content, get_comm_type
+from .config import get_system_prompt_content, get_comm_type, get_backend_worker_port
 
 # Set PyTorch CUDA memory management
 os.environ['PYTORCH_CUDA_ALLOC_CONF'] = 'expandable_segments:True'
@@ -253,9 +253,8 @@ def worker_process(backend_type: str):
     print(f"DEBUG: Starting Analysis Worker for {backend_type}...")
     print(f"DEBUG: Worker PID: {os.getpid()}")
 
-    # Workers always use Unix sockets for interprocess communication
-    from .compat import get_socket_path
-    comm = SocketCommunicator(socket_path=get_socket_path('worker'), comm_type='unix')
+    # Workers use TCP for interprocess communication
+    comm = SocketCommunicator(host='localhost', port=get_backend_worker_port(), comm_type='tcp')
     comm.connect()
     print(f"Analysis Worker connected to backend")
 

vidai/worker_training.py

@@ -27,7 +27,7 @@ import shutil
 import json
 import time
 from .comm import SocketCommunicator, Message
-from .config import get_comm_type
+from .config import get_comm_type, get_backend_worker_port
 
 def train_model(train_path, output_model, description):
     """Perform training."""
@@ -49,9 +49,8 @@ def worker_process(backend_type: str):
     """Main worker process."""
     print(f"Starting Training Worker for {backend_type}...")
 
-    # Workers always use Unix sockets for interprocess communication
-    from .compat import get_socket_path
-    comm = SocketCommunicator(socket_path=get_socket_path('worker'), comm_type='unix')
+    # Workers use TCP for interprocess communication
+    comm = SocketCommunicator(host='localhost', port=get_backend_worker_port(), comm_type='tcp')
     comm.connect()
 
     # Register with backend