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Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

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JavaScript

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