Commit eb6c14f4f20a79be1a72afe76376a141e2671430

Authored by Wesnydy Ribeiro
1 parent df6397d6

error handle of amqp manager

Showing 1 changed file with 17 additions and 19 deletions   Show diff stats
translate-api/helpers/amqpManager.js
... ... @@ -13,20 +13,20 @@ var amqplib = require('amqplib/callback_api');
13 13 /**
14 14 * Function to send text to the queue.
15 15 */
16   -exports.sendToQueue = function(body, id, queue, durability, res) {
  16 +exports.sendToQueue = function(body, id, queue, durability, res, next) {
17 17  
18 18 amqplib.connect('amqp://localhost', function(err, conn) {
19   - if(err) {
20   - res.json({message : err});
21   - throw err;
22   - }
  19 + if (err)
  20 + return next(err, 'Cannot connect to RabbitMQ');
  21 +
23 22 conn.createChannel(function(err, ch) {
24   - if(err) {
25   - res.json({message : err});
26   - throw err;
27   - }
  23 + if (err)
  24 + return next(err, 'Channel creation failed.');
  25 +
28 26 ch.assertQueue(queue, {durable : durability});
29 27 ch.sendToQueue(queue, new Buffer(body), {correlationId : id});
  28 + next(null, 'Message successfully sent');
  29 +
30 30 try {
31 31 ch.close();
32 32 }
... ... @@ -41,23 +41,21 @@ exports.sendToQueue = function(body, id, queue, durability, res) {
41 41 /**
42 42 * Function to receive gloss from the queue.
43 43 */
44   -exports.receiveFromQueue = function(id, queue, durability, res) {
  44 +exports.receiveFromQueue = function(id, queue, durability, res, next) {
45 45  
46 46 amqplib.connect('amqp://localhost', function(err, conn) {
47   - if(err) {
48   - res.json({message : err});
49   - throw err;
50   - }
  47 + if (err)
  48 + return next(err, 'Cannot connect to RabbitMQ');
  49 +
51 50 conn.createChannel(function(err, ch) {
52   - if(err){
53   - res.json({message : err});
54   - throw err;
55   - }
  51 + if (err)
  52 + return next(err, 'Channel creation failed.');
  53 +
56 54 ch.assertQueue(queue, {durable : durability});
57 55 ch.consume(queue, function(msg) {
58 56 if (msg.properties.correlationId === id) {
59 57 ch.ack(msg);
60   - res.send(msg.content.toString())
  58 + next(null, msg.content.toString())
61 59 try {
62 60 ch.close();
63 61 }
... ...