64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
import json
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from datetime import datetime
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from typing import Set
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from fastapi import WebSocket
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from app.models import Position, Event
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class ConnectionManager:
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def __init__(self):
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self.active_connections: Set[WebSocket] = set()
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async def connect(self, websocket: WebSocket):
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await websocket.accept()
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self.active_connections.add(websocket)
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def disconnect(self, websocket: WebSocket):
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self.active_connections.discard(websocket)
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async def broadcast(self, message: dict):
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"""Отправить сообщение всем подключенным клиентам"""
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disconnected = set()
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for connection in self.active_connections:
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try:
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await connection.send_json(message)
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except Exception:
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disconnected.add(connection)
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# Remove disconnected clients
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self.active_connections -= disconnected
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async def broadcast_position(self, position: Position):
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"""Отправить обновление позиции"""
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message = {
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"type": "position_update",
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"data": {
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"vehicle_id": position.vehicle_id,
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"lat": position.lat,
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"lon": position.lon,
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"speed": position.speed,
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"heading": position.heading,
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"timestamp": position.timestamp.isoformat()
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}
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}
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await self.broadcast(message)
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async def broadcast_event(self, event: Event):
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"""Отправить событие"""
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message = {
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"type": "event",
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"data": {
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"id": event.id,
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"vehicle_id": event.vehicle_id,
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"type": event.type,
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"payload": event.payload,
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"timestamp": event.timestamp.isoformat()
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}
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}
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await self.broadcast(message)
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# Global instance
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manager = ConnectionManager()
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