Add connect() and disconnect() to backend API

server/backends/port8080.py

@@ -12,3 +12,11 @@ def get_img():
 
 def touch(x, y, is_long):
     requests.get(f'http://localhost:8080/set_touch?x={x}&y={y}&hold={1 if is_long else 0}')
+
+
+def connect():
+    pass
+
+
+def disconnect():
+    pass

server/backends/x11.py

@@ -25,3 +25,11 @@ def touch(x, y, is_long):
         threading.Thread(target=_long_touch, args=(x, y,)).start()
     else:
         subprocess.run(['xdotool', 'mousemove', str(x), str(y), 'click', '1'])
+
+
+def connect():
+    pass
+
+
+def disconnect():
+    pass

server/wss.py

@@ -83,6 +83,7 @@ class HCRAServer(tornado.websocket.WebSocketHandler):
             self.client.good = None
             client = None
         self.is_open = False
+        imgproc.backend.disconnect()
 
     def on_message(self, message):
         action = message.split(' ', 1)[0]
@@ -112,6 +113,8 @@ class HCRAServer(tornado.websocket.WebSocketHandler):
             except DisconnectError as e:
                 self.write_message(str(e))
                 return
+            
+            imgproc.backend.connect()
 
             try:
                 imgname = imgproc.get_full_img()