@jxstjh/jhvideo/dist/utils/keepAlive.worker.js

HTML5 jhvideo base on MPEG2-TS Stream Player

import httpClient from '../core/httpClient';
var keepAlive$; // 定时器
var keepAliveFaildCount = 0; // 错误计数器
function keepAliveWoker(token, tokenId, url, aisleId) {
    var body = { tokenId: tokenId, aisleId: aisleId };
    var headers = {
        'Content-Type': 'application/x-www-form-urlencoded',
        'Authorization': 'Bearer ' + token
    };
    httpClient.ajax('post', url, body, headers).then(function (res) {
        if (res.code === 0 && res.data.code === 200) {
            keepAliveFaildCount = 0;
        }
        else {
            keepAliveFaildCount += 1;
            if (keepAliveFaildCount > 3) {
                postMessage('KEEPALIVE_ERROR');
            }
        }
    }).catch(function (err) {
        keepAliveFaildCount += 1;
        if (keepAliveFaildCount > 3) {
            postMessage('KEEPALIVE_ERROR');
        }
    });
}
onmessage = function (event) {
    var aisleId = event.data.aisleId;
    var arr = aisleId.split('#');
    if (arr.length > 1) {
        aisleId = arr[0];
    }
    switch (event.data.cmd) {
        case 'START_KEEPALIVE':
            var tokenId = event.data.tokenId;
            var url = event.data.url;
            var token = event.data.token;
            keepAliveFaildCount = 0;
            keepAlive$ = setInterval(keepAliveWoker.bind(null, token, tokenId, url, aisleId), 8 * 1000);
            break;
        case 'DESTROY_KEEPALIVE':
            clearInterval(keepAlive$);
            break;
        default:
            break;
    }
};
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