AMQP-client for Meteor.js, based on https://github.com/postwait/node-amqp.
Exposes a global RabbitMQ
object that you can interact with.
The RabbitMQ
object caches your connection and exchanges so you avoid opening multiple connections – which is an issue when using the node-amqp npm-library.
It's also an EventEmitter, so you can initialize the connection like this:
Meteor.startup(function () {
var options = {
host: '<hostname>',
login: '<login>',
password: '<password>',
vhost: '<vhost>'
... + other settings ...
};
RabbitMQ.ensureConnection(options);
});
And then somewhere in your application you can wait for the initialization like this:
RabbitMQ.on('ready', function () {
RabbitMQ.connection.exchange('Project.E.MyExchange', {type: 'topic'}, function (exchange) {
RabbitMQ.exchanges.MyExchange = exchange;
RabbitMQ.emit('MyExchange is ready');
});
});
// When the exchange is ready, you can work with it
RabbitMQ.on('MyExchange is ready', function () {
// Sending messages
RabbitMQ.exchanges.MyExchange.publish('some_routing_key', {greeting: 'Hello world!'});
// Receiving messages
RabbitMQ.connection.queue('Project.Q.MyQueue', function (q) {
q.bind(RabbitMQ.exchanges.MyExchange, function (q) {
q.subscribe({ack: true}, function (message) {
// your code for handling incoming messages goes here ...
q.shift(); // Only necessary if {ack: true}
});
});
});
})
Errors are also emitted:
RabbitMQ.on('error', function (err) {
console.log(err);
});