144 lines
4.7 KiB
JavaScript
144 lines
4.7 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2024
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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'use strict';
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const config = require('config');
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const amqp = require('amqplib/callback_api');
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const operationContext = require('./operationContext');
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const cfgRabbitUrl = config.get('rabbitmq.url');
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const cfgRabbitSocketOptions = config.util.cloneDeep(config.get('rabbitmq.socketOptions'));
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const RECONNECT_TIMEOUT = 1000;
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function connetPromise(closeCallback) {
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return new Promise((resolve, _reject) => {
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function startConnect() {
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amqp.connect(cfgRabbitUrl, cfgRabbitSocketOptions, (err, conn) => {
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if (null != err) {
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operationContext.global.logger.error('[AMQP] %s', err.stack);
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setTimeout(startConnect, RECONNECT_TIMEOUT);
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} else {
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conn.on('error', err => {
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operationContext.global.logger.error('[AMQP] conn error', err.stack);
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});
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const closeEventCallback = function () {
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//in some case receive multiple close events
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conn.removeListener('close', closeEventCallback);
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operationContext.global.logger.debug('[AMQP] conn close');
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closeCallback();
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};
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conn.on('close', closeEventCallback);
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operationContext.global.logger.debug('[AMQP] connected');
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resolve(conn);
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}
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});
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}
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startConnect();
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});
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}
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function createChannelPromise(conn) {
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return new Promise((resolve, reject) => {
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conn.createChannel((err, channel) => {
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if (null != err) {
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reject(err);
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} else {
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resolve(channel);
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}
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});
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});
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}
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function createConfirmChannelPromise(conn) {
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return new Promise((resolve, reject) => {
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conn.createConfirmChannel((err, channel) => {
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if (null != err) {
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reject(err);
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} else {
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resolve(channel);
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}
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});
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});
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}
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function assertExchangePromise(channel, exchange, type, options) {
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return new Promise((resolve, reject) => {
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channel.assertExchange(exchange, type, options, (err, ok) => {
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if (null != err) {
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reject(err);
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} else {
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resolve(ok.exchange);
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}
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});
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});
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}
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function assertQueuePromise(channel, queue, options) {
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return new Promise((resolve, reject) => {
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channel.assertQueue(queue, options, (err, ok) => {
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if (null != err) {
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reject(err);
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} else {
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resolve(ok.queue);
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}
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});
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});
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}
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function consumePromise(channel, queue, messageCallback, options) {
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return new Promise((resolve, reject) => {
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channel.consume(queue, messageCallback, options, (err, ok) => {
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if (null != err) {
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reject(err);
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} else {
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resolve(ok);
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}
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});
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});
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}
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function closePromise(conn) {
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return new Promise((resolve, reject) => {
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conn.close(err => {
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if (err) {
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reject(err);
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} else {
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resolve();
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}
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});
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});
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}
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module.exports.connetPromise = connetPromise;
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module.exports.createChannelPromise = createChannelPromise;
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module.exports.createConfirmChannelPromise = createConfirmChannelPromise;
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module.exports.assertExchangePromise = assertExchangePromise;
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module.exports.assertQueuePromise = assertQueuePromise;
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module.exports.consumePromise = consumePromise;
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module.exports.closePromise = closePromise;
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module.exports.RECONNECT_TIMEOUT = RECONNECT_TIMEOUT;
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