44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
import asyncio
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from typing import Optional
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from sanic import Websocket
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class ConnectionManager:
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def __init__(self):
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self.active_connections: dict[str, Websocket] = {}
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self._lock = asyncio.Lock()
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async def connect(self, user_id: str, websocket: Websocket) -> None:
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async with self._lock:
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self.active_connections[user_id] = websocket
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async def disconnect(self, user_id: str) -> None:
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async with self._lock:
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if user_id in self.active_connections:
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del self.active_connections[user_id]
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async def broadcast(self, message: str, exclude_user: Optional[str] = None) -> None:
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async with self._lock:
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disconnected = []
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for user_id, connection in list(self.active_connections.items()):
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if exclude_user and user_id == exclude_user:
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continue
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try:
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await connection.send(message)
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except Exception:
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disconnected.append(user_id)
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for user_id in disconnected:
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if user_id in self.active_connections:
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del self.active_connections[user_id]
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async def send_personal(self, user_id: str, message: str) -> bool:
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async with self._lock:
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if connection := self.active_connections.get(user_id):
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try:
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await connection.send(message)
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return True
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except Exception:
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return False
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return False
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