fix tx rx stats for web socket server and don't tx and rx when offline or detached

src/backend/interfaces/WebsocketClientInterface.py

@@ -22,6 +22,7 @@ class WebsocketClientInterface(Interface):
         super().__init__()
 
         self.owner = owner
+        self.parent_interface = None
 
         self.IN = True
         self.OUT = False
@@ -57,25 +58,42 @@ class WebsocketClientInterface(Interface):
     # called when a full packet has been received over the websocket
     def process_incoming(self, data):
 
+        # do nothing if offline or detached
+        if not self.online or self.detached:
+            return
+
         # update received bytes counter
         self.rxb += len(data)
 
+        # update received bytes counter for parent interface
+        if self.parent_interface is not None:
+            self.parent_interface.rxb += len(data)
+
         # send received data to transport instance
         self.owner.inbound(data, self)
 
     # the running reticulum transport instance will call this method whenever the interface must transmit a packet
     def process_outgoing(self, data):
 
-        # do nothing if not online
-        if not self.online:
+        # do nothing if offline or detached
+        if not self.online or self.detached:
             return
 
         # send to websocket server
-        self.websocket.send(data)
+        try:
+            self.websocket.send(data)
+        except Exception as e:
+            RNS.log(f"Exception occurred while transmitting via {str(self)}", RNS.LOG_ERROR)
+            RNS.log(f"The contained exception was: {str(e)}", RNS.LOG_ERROR)
+            return
 
         # update sent bytes counter
         self.txb += len(data)
 
+        # update received bytes counter for parent interface
+        if self.parent_interface is not None:
+            self.parent_interface.txb += len(data)
+
     # connect to the configured websocket server
     def connect(self):
 

src/backend/interfaces/WebsocketServerInterface.py

@@ -71,14 +71,9 @@ class WebsocketServerInterface(Interface):
         if from_spawned:
             self.oa_freq_deque.append(time.time())
 
-    # called when a full packet has been received from a websocket client
+    # do nothing as the spawned child interface will take care of rx/tx
     def process_incoming(self, data):
-
-        # Update our received bytes counter
-        self.rxb += len(data)
-
-        # And send the data packet to the Transport instance for processing.
-        self.owner.inbound(data, self)
+        pass
 
     # do nothing as the spawned child interface will take care of rx/tx
     def process_outgoing(self, data):