52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
JavaScript
const WebSocket = require("ws");
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const onlineUsers = new Map();
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// 保存用户连接
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function addConnection(username, ws) {
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onlineUsers.set(username, ws);
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console.log(`用户 ${username} 已连接`);
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console.log("当前在线用户：", [...onlineUsers.keys()]);
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}
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// 获取用户连接
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function getConnection(username) {
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return onlineUsers.get(username);
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}
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// 删除用户连接
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function removeConnection(username) {
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onlineUsers.delete(username);
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console.log(`用户 ${username} 已断开`);
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console.log("当前在线用户：", [...onlineUsers.keys()]);
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}
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// 获取所有在线用户
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function getOnlineUsers() {
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return Array.from(onlineUsers.keys());
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}
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// 广播所有在线用户
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function broadcast(data) {
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const message = JSON.stringify(data);
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for (const [username, ws] of onlineUsers) {
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if (ws.readyState === WebSocket.OPEN) {
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ws.send(message, (error) => {
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if (error) {
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console.error(`向用户 ${username} 广播失败：`, error);
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}
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});
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}
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}
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}
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module.exports = {
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addConnection,
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getConnection,
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removeConnection,
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getOnlineUsers,
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broadcast
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}; |