finished miner install to be tested

tools/web_testbench/connections.py

@@ -0,0 +1,41 @@
+from fastapi import WebSocket
+
+from miners.miner_factory import MinerFactory
+from tools.web_testbench._network import miner_network
+
+
+class ConnectionManager:
+    _instance = None
+    _connections = []
+
+    def __new__(cls):
+        if not cls._instance:
+            cls._instance = super(ConnectionManager, cls).__new__(cls)
+        return cls._instance
+
+    async def connect(self, websocket: WebSocket):
+        await websocket.accept()
+        miners = []
+        for host in miner_network.hosts():
+            if host in MinerFactory().miners.keys():
+                miners.append(
+                    {
+                        "IP": str(host),
+                        "Light_On": await MinerFactory().miners[host].get_light(),
+                    }
+                )
+            else:
+                miners.append({"IP": str(host), "Light_On": None})
+        await websocket.send_json({"miners": miners})
+        ConnectionManager._connections.append(websocket)
+
+    def disconnect(self, websocket: WebSocket):
+        print("Disconnected")
+        ConnectionManager._connections.remove(websocket)
+
+    async def broadcast_json(self, data: dict):
+        for connection in ConnectionManager._connections:
+            try:
+                await connection.send_json(data)
+            except Exception as e:
+                self.disconnect(connection)