add connection to webserver logic

src/blenderbim/blenderbim/tool/web.py

@@ -25,13 +25,12 @@ import os
 import subprocess
 import webbrowser
 import asyncio
+import socketio
 import threading
-import websockets
 import json
 
-CONNECTION_CHECK_DELAY = 10
-connected_sockets = set()
-websocket_server: websockets.WebSocketServer
+
+sio = socketio.AsyncClient(reconnection=True, reconnection_attempts=3, reconnection_delay=2, logger=True)
 ws_thread_loop = asyncio.new_event_loop()
 ws_process = None
 
@@ -67,7 +66,24 @@ class Web(blenderbim.core.tool.Web):
 
     @classmethod
     def connect_websocket_server(cls, port):
-        pass
+        def set_thread_loop(url):
+            asyncio.set_event_loop(ws_thread_loop)
+            asyncio.run(cls.sio_connect(url))
+
+        ws_url = "ws://localhost:" + str(port) + "/blender"
+        wserver_thread = threading.Thread(target=set_thread_loop, args=(ws_url))
+        wserver_thread.daemon = True
+        wserver_thread.start()
+
+    @classmethod
+    async def sio_connect(cls, url):
+        await sio.connect(url, transports=["websocket"], namespaces="/blender")
+
+        # TODO: register event handlers to handle incoming messages
+        # sio.on("data", test.message_handler, namespace="/blender")
+
+        # await sio.emit("data", {"from": "client"}, namespace="/blender")
+        await sio.wait()
 
     @classmethod
     def kill_websocket_server(cls):
@@ -95,54 +111,3 @@ class Web(blenderbim.core.tool.Web):
         data = {}
         data["ifc_file"] = bpy.context.scene.BIMProperties.ifc_file
         return json.dumps(data)
-
-    @classmethod
-    async def broadcast(cls, message):
-        for sock in connected_sockets:
-            await sock.send(message)
-
-    @classmethod
-    async def ws_server_handler(cls, websocket):
-        connected_sockets.add(websocket)
-        intial_data = cls.get_webui_data()
-        await cls.broadcast(intial_data)
-        try:
-            async for message in websocket:
-                # TODO: handle incoming messages
-                continue
-        finally:
-            connected_sockets.remove(websocket)
-
-    @classmethod
-    async def run_ws_server(cls):
-        websocket_server = await websockets.serve(cls.ws_server_handler, "localhost", 8765)
-        print("Web-UI WebSocket server started.")
-
-        # Check if a client is connected every 10 seconds
-        async def check_connections():
-            while True:
-                await asyncio.sleep(CONNECTION_CHECK_DELAY)
-                if not connected_sockets:
-                    print("No Web-UI connected, shutting down the WebSocket server")
-                    websocket_server.close()
-                    break
-
-        await check_connections()
-        await websocket_server.wait_closed()
-
-    @classmethod
-    def open_web_ui(cls):
-        def set_thread_loop():
-            asyncio.set_event_loop(ws_thread_loop)
-            asyncio.run(cls.run_ws_server())
-
-        wserver_thread = threading.Thread(target=set_thread_loop)
-        wserver_thread.daemon = True
-        wserver_thread.start()
-
-        def open_browser():
-            webbrowser.open("file://" + os.path.join(bpy.context.scene.BIMProperties.data_dir, "webui", "index.html"))
-
-        # Delay for 2 seconds before openning browser
-        timer = threading.Timer(2.0, open_browser)
-        timer.start()