以下是使用Python实现的WebSocket服务，支持心跳机制和连接管理：

import asyncio

import websockets

import json

from datetime import datetime

class WebSocketManager:

    def __init__(self):

        self.connections = set()

        self.heartbeat_interval = 30  # 心跳间隔(秒)

        self.timeout = 60  # 连接超时时间(秒)

    async def register(self, websocket):

        self.connections.add(websocket)

        print(f"New connection. Total: {len(self.connections)}")

    async def unregister(self, websocket):

        self.connections.remove(websocket)

        print(f"Connection closed. Total: {len(self.connections)}")

    async def heartbeat(self, websocket):

        while websocket in self.connections:

            try:

                await websocket.ping()

                await asyncio.sleep(self.heartbeat_interval)

            except:

                await self.unregister(websocket)

                break

    async def handler(self, websocket, path):

        await self.register(websocket)

        heartbeat_task = asyncio.create_task(self.heartbeat(websocket))

        

        try:

            async for message in websocket:

                data = json.loads(message)

                if data.get('type') == 'heartbeat':

                    continue

                

                # 处理业务消息

                response = {"status": "success", "data": data}

                await websocket.send(json.dumps(response))

        finally:

            heartbeat_task.cancel()

            await self.unregister(websocket)

async def main():

    manager = WebSocketManager()

    server = await websockets.serve(

        manager.handler,

        "localhost",

        8765,

        ping_interval=None  # 禁用自动ping

    )

    print("WebSocket server started at ws://localhost:8765")

    await server.wait_closed()

if __name__ == "__main__":

    asyncio.run(main())

 asyncio

import websockets

import json

async def client():

    async with websockets.connect("ws://localhost:8765") as websocket:

        # 发送心跳

        async def send_heartbeat():

            while True:

                await asyncio.sleep(10)

                await websocket.send(json.dumps({"type": "heartbeat"}))

        heartbeat_task = asyncio.create_task(send_heartbeat())

        

        try:

            # 发送测试消息

            await websocket.send(json.dumps({"message": "Hello"}))

            response = await websocket.recv()

            print(f"Received: {response}")

            

            # 保持连接

            await asyncio.sleep(60)

        finally:

            heartbeat_task.cancel()

asyncio.run(client())

该实现包含服务端和客户端示例，支持心跳检测、连接管理和异常处理。服务端使用websockets库，通过自定义心跳机制和连接池管理WebSocket连接。

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