- try to finish answering nodes properly

src/agent_gsm.py

@@ -21,6 +21,7 @@ from agent_config import AgentConfig
 from bt_controller import Bluetoothctl
 import bt_signal
 from bt_signal import SignalBoundaries
+from bt_call_controller import INTERRUPT_SIGNAL
 import bt_call_controller
 
 
@@ -424,12 +425,17 @@ def remove_pid_on_exit():
 
 
 def receive_signal(signal_number, frame):
+    global INTERRUPT_SIGNAL
+
     # Delete PID file
     remove_pid_on_exit()
     
     # Debugging info
     print(f'Got signal {signal_number} from {frame}')
     
+    # This it to break BT play controller
+    INTERRUPT_SIGNAL = True
+
     # Exit
     raise SystemExit('Exiting')
     return

src/bt_call_controller.py

@@ -22,6 +22,7 @@ CALL_ADDED = multiprocessing.Value('b', False)
 CALL_REMOVED = multiprocessing.Value('b', False)
 CALL_LOCK = threading.Lock()
 
+INTERRUPT_SIGNAL = multiprocessing.Value('b', False)
 
 # Call state change event
 class CallState(bt_phone.Observer):
@@ -94,12 +95,16 @@ def dial_number(number: str, play_file: str):
 
 # Answer the call
 def answer_call(play_file: str):
-    global CALL_PATH, CALL_LOCK, CALL_ADDED
+    global CALL_PATH, CALL_LOCK, CALL_ADDED, INTERRUPT_SIGNAL
     utils.log('Waiting for incoming call...')
 
     # Wait for incoming call
-    while not CALL_ADDED.value:
-        time.sleep(0.1)
+    while not CALL_ADDED.value and not INTERRUPT_SIGNAL.value():
+        time.sleep(0.01)
+
+    if INTERRUPT_SIGNAL.value():
+        utils.log(f'Interrupt signal detected, exiting.')
+        return
     
     utils.log(f'Found incoming call {CALL_PATH}')
     # CALL_LOCK.release()