| | |
| | | // src/utils/websocket.js |
| | | let socket = null; |
| | | let ws = null; |
| | | let reconnectAttempts = 0; |
| | | const maxReconnectAttempts = 5; |
| | | const reconnectInterval = 5000; |
| | | let messageCallback = null; |
| | | const reconnectInterval = 5000; // 5秒重连间隔 |
| | | const pingInterval = 5000; // 5秒发送ping |
| | | |
| | | const initWebSocket = (token, callback) => { |
| | | if (socket && socket.readyState === WebSocket.OPEN) { |
| | | console.log('WebSocket 已连接,无需重复初始化'); |
| | | return; |
| | | } |
| | | |
| | | export function initWebSocket(token, onMessage) { |
| | | if (!token) { |
| | | console.error('未提供 token,无法建立 WebSocket 连接'); |
| | | callback('error', '未找到 token,无法建立 WebSocket 连接'); |
| | | console.error('WebSocket 初始化失败:缺少 token'); |
| | | return; |
| | | } |
| | | |
| | | const wsUrl = `ws://192.168.1.2:5011/ws?token=${encodeURIComponent(token)}`; |
| | | console.log('尝试连接 WebSocket:', wsUrl); |
| | | const wsUrl = `ws://192.168.1.2:5011/ws?token=${token}`; |
| | | ws = new WebSocket(wsUrl); |
| | | |
| | | try { |
| | | socket = new WebSocket(wsUrl); |
| | | } catch (error) { |
| | | console.error('WebSocket 初始化失败:', error); |
| | | callback('error', '无法初始化 WebSocket 连接'); |
| | | return; |
| | | } |
| | | |
| | | messageCallback = callback; |
| | | |
| | | socket.onopen = () => { |
| | | ws.onopen = () => { |
| | | console.log('WebSocket 连接成功'); |
| | | reconnectAttempts = 0; |
| | | |
| | | // 启动心跳机制 |
| | | const pingTimer = setInterval(() => { |
| | | if (ws.readyState === WebSocket.OPEN) { |
| | | console.log('发送 ping 消息'); |
| | | ws.send('ping'); |
| | | } else { |
| | | console.warn('WebSocket 未连接,停止 ping'); |
| | | clearInterval(pingTimer); |
| | | } |
| | | }, pingInterval); |
| | | }; |
| | | |
| | | socket.onmessage = (event) => { |
| | | console.log('WebSocket 收到原始消息:', event.data); |
| | | if (messageCallback) { |
| | | messageCallback('message', event.data); |
| | | ws.onmessage = (event) => { |
| | | const data = event.data; |
| | | console.log('WebSocket 收到原始消息:', data); |
| | | if (data === 'pong') { |
| | | console.log('收到 pong 响应,连接活跃'); |
| | | return; |
| | | } |
| | | onMessage('message', data); |
| | | }; |
| | | |
| | | socket.onerror = (error) => { |
| | | ws.onerror = (error) => { |
| | | console.error('WebSocket 错误:', error); |
| | | if (messageCallback) { |
| | | messageCallback('error', 'WebSocket 连接错误'); |
| | | } |
| | | onMessage('error', 'WebSocket 连接错误'); |
| | | }; |
| | | |
| | | socket.onclose = (event) => { |
| | | console.log('WebSocket 连接关闭,代码:', event.code, '原因:', event.reason); |
| | | ws.onclose = () => { |
| | | console.warn('WebSocket 连接关闭'); |
| | | if (reconnectAttempts < maxReconnectAttempts) { |
| | | reconnectAttempts++; |
| | | console.log(`尝试重连 (${reconnectAttempts}/${maxReconnectAttempts})...`); |
| | | setTimeout(() => { |
| | | console.log(`尝试重连 (${reconnectAttempts + 1}/${maxReconnectAttempts})`); |
| | | reconnectAttempts++; |
| | | initWebSocket(token, callback); |
| | | initWebSocket(token, onMessage); |
| | | }, reconnectInterval); |
| | | } else { |
| | | if (messageCallback) { |
| | | messageCallback('error', 'WebSocket 重连失败,请检查网络或服务器'); |
| | | } |
| | | console.error('达到最大重连次数,停止重连'); |
| | | onMessage('error', 'WebSocket 连接失败,已达最大重连次数'); |
| | | } |
| | | }; |
| | | }; |
| | | |
| | | const closeWebSocket = () => { |
| | | if (socket) { |
| | | socket.close(1000, '浏览器关闭,正常断开'); |
| | | socket = null; |
| | | console.log('WebSocket 连接已关闭'); |
| | | // 清理 WebSocket |
| | | window.addEventListener('beforeunload', () => { |
| | | if (ws) { |
| | | ws.close(); |
| | | ws = null; |
| | | console.log('WebSocket 已清理'); |
| | | } |
| | | }); |
| | | } |
| | | |
| | | export function closeWebSocket() { |
| | | if (ws) { |
| | | ws.close(); |
| | | ws = null; |
| | | console.log('WebSocket 已关闭'); |
| | | } |
| | | }; |
| | | |
| | | window.addEventListener('beforeunload', () => { |
| | | closeWebSocket(); |
| | | }); |
| | | |
| | | export { initWebSocket, closeWebSocket }; |
| | | } |