restructuration du backend

préparation de l'intégration des modules suivants

code/backend_reconnaissance/network.py

@@ -0,0 +1,31 @@
+import asyncio
+import json
+import os
+import threading
+import websockets
+
+class WebsocketServer(threading.Thread):
+    def __init__(self, onMessage, port=os.getenv("PORT"), host=os.getenv("HOST")):
+        threading.Thread.__init__(self)
+        self.host = host
+        self.port = port 
+        self.messageQueue = []
+        self.onMessage = onMessage
+
+    def run(self):
+        print("server thread started")
+        asyncio.run(self.runServer())
+
+    async def runServer(self):
+        async with websockets.serve(self.handler, self.host, self.port):
+            await asyncio.Future()
+    
+    async def handler(self,websocket):
+        while True:
+            for msg in self.messageQueue:
+                await websocket.send(json.dumps(msg))
+                self.messageQueue.pop(0)
+            await asyncio.sleep(0.01)
+
+    def sendMessage(self,message):
+        self.messageQueue.append(message)