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我正在使用 Node.js 编写一个简单的聊天应用程序。服务器端代码是:

const net = require('net');

const HOST = 'localhost';
const PORT = 3000;

const server = net.createServer();
server.listen(PORT, HOST);

server.on('connection', (socket) => {
    console.log(socket.localPort);
    console.log(socket.remotePort);
    console.log('CONNECTED: ' + socket.remoteAddress +':'+ socket.remotePort);

    socket.on('data', (data) => {
        console.log('DATA ' + socket.remoteAddress + ': ' + data);
        // Write the data back to the socket, the client will receive it as data from the server
        socket.write('You said "' + data + '"');        
    });

    socket.on('close', () => {
        console.log('CLOSED: ' + socket.remoteAddress +' '+ socket.remotePort);
    });

    socket.on('error', () => {
        console.log('ERROR OCCURED:');
    });
});

console.log('Server listening on ' + HOST +':'+ PORT);

问题是,当客户端连接到服务器时,每次客户端连接时,套接字对象都是唯一的,因此不同的客户端无法交换消息。

如何让不同的用户连接到同一个套接字,以便他们可以交换消息?

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