remove acquire() and release() functions and run the threads as deamons for easier cleanups

aman/com/Euroscope.py

@@ -40,33 +40,13 @@ class ReceiverThread(Thread):
                 else:
                     return
 
-    def threadId(self):
-        if hasattr(self, '_thread_id'):
-            return self._thread_id
-        for id, thread in _active.items():
-            if thread is self:
-                return id
-
-    def stopThread(self):
-        id = self.threadId()
-        res = ctypes.pythonapi.PyThreadState_SetAsyncExc(id, ctypes.py_object(SystemExit))
-        if 1 < res:
-            ctypes.pythonapi.PyThreadState_SetAsyncExc(id, 0)
-
 # @brief Receives and sends messages to EuroScope plugins
 class Euroscope:
-    def __init__(self):
+    def __init__(self, configPath : str, config : Server, aman):
         self.Context = None
         self.ReceiverSocket = None
         self.ReceiverThread = None
         self.NotificationSocket = None
-
-    def __del__(self):
-        self.release()
-
-    # @brief Initializes the ZMQ socket
-    # @param[in] config The server configuration
-    def acquire(self, configPath : str, config : Server, aman):
         self.Context = zmq.Context()
 
         # find the key directories
@@ -97,6 +77,7 @@ class Euroscope:
         self.ReceiverSocket.bind('tcp://' + config.Address + ':' + str(config.PortReceiver))
         self.ReceiverSocket.setsockopt(zmq.SUBSCRIBE, b'')
         self.ReceiverThread = ReceiverThread(self.ReceiverSocket, aman)
+        self.ReceiverThread.setDaemon(True)
         self.ReceiverThread.start()
         print('Listening to tcp://' + config.Address + ':' + str(config.PortReceiver))
 
@@ -108,22 +89,6 @@ class Euroscope:
         self.NotificationSocket.bind('tcp://' + config.Address + ':' + str(config.PortNotification))
         print('Publishing to tcp://' + config.Address + ':' + str(config.PortNotification))
 
-    def release(self):
-        if None != self.ReceiverThread:
-            self.ReceiverThread.stopThread()
-            self.ReceiverThread.join()
-        self.ReceiverThread = None
-
-        if None != self.ReceiverSocket:
-            self.ReceiverSocket.close()
-        self.ReceiverSocket = None
-
-        if None != self.NotificationSocket:
-            self.NotificationSocket.close()
-        self.NotificationSocket = None
-
-        self.Context = None
-
     def sendSequence(self, airport : str, inbounds, weather):
         if None == self.NotificationSocket:
             return