// noinspection JSUnusedGlobalSymbols
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import { unref } from 'vue';
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import { useWebSocket, WebSocketResult } from '@vueuse/core';
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import { getToken } from '/@/utils/auth';
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let result: WebSocketResult<any>;
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const listeners = new Map();
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/**
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* 开启 WebSocket 链接，全局只需执行一次
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* @param url
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*/
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export function connectWebSocket(url: string) {
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//update-begin-author:taoyan date:2022-4-24 for: v2.4.6 的 websocket 服务端，存在性能和安全问题。 #3278
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let token = (getToken() || '') as string;
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result = useWebSocket(url, {
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// 自动重连 (遇到错误最多重复连接10次)
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autoReconnect: {
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retries : 10,
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delay : 5000
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},
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// 心跳检测
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heartbeat: {
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message: "ping",
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interval: 55000
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},
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protocols: [token],
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});
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//update-end-author:taoyan date:2022-4-24 for: v2.4.6 的 websocket 服务端，存在性能和安全问题。 #3278
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if (result) {
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result.open = onOpen;
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result.close = onClose;
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const ws = unref(result.ws);
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if(ws!=null){
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ws.onerror = onError;
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ws.onmessage = onMessage;
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}
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}
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}
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function onOpen() {
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console.log('[WebSocket] 连接成功');
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}
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function onClose(e) {
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console.log('[WebSocket] 连接断开：', e);
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}
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function onError(e) {
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console.log('[WebSocket] 连接发生错误: ', e);
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}
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function onMessage(e) {
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console.debug('[WebSocket] -----接收消息-------', e.data);
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try {
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const data = JSON.parse(e.data);
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for (const callback of listeners.keys()) {
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try {
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callback(data);
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} catch (err) {
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console.error(err);
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}
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}
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} catch (err) {
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console.error('[WebSocket] data解析失败：', err);
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}
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}
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/**
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* 添加 WebSocket 消息监听
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* @param callback
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*/
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export function onWebSocket(callback: (data: object) => any) {
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if (!listeners.has(callback)) {
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if (typeof callback === 'function') {
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listeners.set(callback, null);
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} else {
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console.debug('[WebSocket] 添加 WebSocket 消息监听失败：传入的参数不是一个方法');
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}
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}
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}
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/**
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* 解除 WebSocket 消息监听
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*
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* @param callback
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*/
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export function offWebSocket(callback: (data: object) => any) {
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listeners.delete(callback);
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}
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export function useMyWebSocket() {
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return result;
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}
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