50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
'''
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服务端定时向客户端发送消息
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'''
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import asyncio
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import websockets
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from datetime import datetime
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# 存储所有连接的客户端
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connected_clients = set()
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async def send_periodic_messages(interval=5):
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"""定期向所有客户端发送消息"""
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while True:
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await asyncio.sleep(interval)
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if connected_clients:
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# message = "{'socketType':'7','number':'ROB23100098','groupingId':'0dc1ad7fdb394246981b8576465240ce','onlineStatus':'1','robotId':'6865c4ce61ee45a69e79f62eee55b83c'}"
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message = "{\"socketType\":\"7\",\"number\":\"ROB23100098\",\"groupingId\":\"0dc1ad7fdb394246981b8576465240ce\",\"onlineStatus\":\"1\",\"robotId\":\"6865c4ce61ee45a69e79f62eee55b83c\"}"
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# 6865c4ce61ee45a69e79f62eee55b83c
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# 向所有客户端广播消息
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await asyncio.wait([client.send(message) for client in connected_clients])
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async def handle_client(websocket, path):
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"""处理客户端连接"""
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# 添加新客户端
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connected_clients.add(websocket)
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try:
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# 保持连接开放
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async for message in websocket:
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# 可选的：处理客户端发来的消息
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print(f"Received: {message}")
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finally:
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# 客户端断开时移除
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connected_clients.remove(websocket)
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async def main():
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# 启动定时任务
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asyncio.create_task(send_periodic_messages(interval=10))
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# 启动WebSocket服务器
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server = await websockets.serve(
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handle_client,
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"10.0.0.202",
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8788
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)
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print("WebSocket server started on ws://10.0.0.202:8788")
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await server.wait_closed()
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if __name__ == "__main__":
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asyncio.run(main()) |