#AMQP-RPC

RPC library based on AMQP protocol. Tested with RabbitMQ under ubuntu.

###Install RabitMQ

apt-get install rabbitmq-server

###Install library

npm install amqp-rpc

###server.js example

var rpc = require('amqp-rpc').factory({
    url: "amqp://guest:guest@localhost:5672"
});


rpc.on('inc', function(param, cb){
    var prevVal = param;
    var nextVal = param+2;
    cb(++param, prevVal, nextVal);
});

rpc.on('say.*', function(param, cb, inf){

    var arr = inf.cmd.split('.');

    var name = (param && param.name) ? param.name : 'world';

    cb(arr[1] + ' ' + name + '!');

});

rpc.on('withoutCB', function(param, cb, inf) {

  if(cb){
    cb('please run function without cb parameter')
  }
  else{
    console.log('this is function withoutCB');
  }

});

###client.js example

var rpc = require('amqp-rpc').factory({
    url: "amqp://guest:guest@localhost:5672"
});

rpc.call('inc', 5, function() {
    console.log('results of inc:', arguments);  //output: [6,4,7]
});

rpc.call('say.Hello', { name: 'John' }, function(msg) {
    console.log('results of say.Hello:', msg);  //output: Hello John!
});

rpc.call('withoutCB', {}, function(msg) {
    console.log('withoutCB results:', msg);  //output: please run function without cb parameter
});

rpc.call('withoutCB', {}); //output message on server side console

Eugene Demchenko aka Goldy skype demchenkoe email it-bm@mail.ru