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/* |
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* MikoPBX - free phone system for small business |
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* Copyright © 2017-2023 Alexey Portnov and Nikolay Beketov |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along with this program. |
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* If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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/* global globalDebugMode */ |
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/** |
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* The connectionCheckWorker object is responsible for checking |
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* the connection status with backend |
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* |
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* @module connectionCheckWorker |
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*/ |
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const connectionCheckWorker = { |
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// Counter for error counts |
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errorCounts: 0, |
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/** |
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* jQuery object for the no connection dimmer element. |
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* @type {jQuery} |
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*/ |
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$connectionDimmer: $('#connection-dimmer'), |
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/** |
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* EventSource object for the connection check. |
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* @type {EventSource} |
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*/ |
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eventSource: null, |
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/** |
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* Initialize the connection check worker. |
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*/ |
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initialize() { |
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connectionCheckWorker.eventSource = new EventSource('/connection-check'); |
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connectionCheckWorker.eventSource.addEventListener('error', function(event) { |
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connectionCheckWorker.cbAfterResponse(false); |
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}); |
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connectionCheckWorker.eventSource.addEventListener('open', function(event) { |
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connectionCheckWorker.cbAfterResponse(true); |
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}); |
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}, |
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/** |
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* Callback function after receiving the response from the connection check. |
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* @param {boolean} result - The result of the connection check. |
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*/ |
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cbAfterResponse(result) { |
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if (result === true) { |
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// If the connection is successful, hide the connection dimmer |
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connectionCheckWorker.$connectionDimmer.dimmer('hide'); |
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// Reload the page if the error count exceeds a certain threshold |
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if (connectionCheckWorker.errorCounts > 5) { |
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window.location.reload(); |
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} |
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// Reset the error count |
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connectionCheckWorker.errorCounts = 0; |
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} else if (connectionCheckWorker.errorCounts > 3) { |
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// If the connection is unsuccessful and error count exceeds a threshold, show the connection dimmer |
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connectionCheckWorker.$connectionDimmer.dimmer('show'); |
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// Increment the error count |
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connectionCheckWorker.errorCounts += 1; |
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} else { |
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// Increment the error count |
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connectionCheckWorker.errorCounts += 1; |
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} |
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}, |
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}; |
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// When the document is ready, initialize the connection check worker |
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$(document).ready(() => { |
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if (!globalDebugMode) { |
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connectionCheckWorker.initialize(); |
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} |
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}); |
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mikopbx /
Core
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