adds PateroHeartBeat.

heartbeats/index.js

@@ -0,0 +1,36 @@
+var      _   = require('underscore')
+, Backbone   = require('backbone')
+, App        = require('../models/App.js')
+, utils      = require('../utils')
+;
+
+var heartbeats = exports = module.exports;
+
+heartbeats.PateroHeartBeat = function(timeout) {
+    var self = this;
+    _.extend(self, Backbone.Events);
+
+    var timeout = timeout || 1000;
+    var heartbeat = new utils.heartbeats.HeartBeat(timeout);
+    self.heartbeat = heartbeat;
+
+    var pateroStatus = new App.TranscodeStatus();
+    heartbeat.on('down', function() {
+        self.trigger('down');
+    });
+
+    heartbeat.on('down:tick', function() {
+        pateroStatus.set('running', false);
+        pateroStatus.save();
+    });
+
+    heartbeat.on('up', function() {
+        self.trigger('up');
+    });
+
+    pateroStatus.on('backend', function() {
+        if (pateroStatus.get('running')) {
+            heartbeat.beat();
+        }
+    });
+};