Allow provider to push.

lib/roles/provider.js

@@ -1,11 +1,19 @@
 var adb = require('adbkit')
 var Promise = require('bluebird')
+var zmq = require('zmq')
 
 module.exports = function(options) {
   var log = require('../util/logger').createLogger('provider')
   var client = Promise.promisifyAll(adb.createClient())
   var workers = Object.create(null)
 
+  // Output
+  var push = zmq.socket('push')
+  options.endpoints.push.forEach(function(endpoint) {
+    log.info('Sending output to %s', endpoint)
+    push.connect(endpoint)
+  })
+
   client.trackDevicesAsync()
     .then(function(tracker) {
       log.info('Tracking devices')