webpush-howto

 658       let ioservice = Cc['@mozilla.org/network/io-service;1'].getService(Ci.nsIIOService);
 659       var aLoadGroup = Cc["@mozilla.org/network/load-group;1"].createInstance(Ci.nsILoadGroup);
 660       debug("mon: " + this._monitorURI);
 661       debug("chan: " + this._channelURI);
 662       let chan = ioservice.newChannel(this._monitorURI, 'UTF-8', null);
 663       chan.loadGroup = aLoadGroup;
 664       chan.notificationCallbacks = {
 665           QueryInterface: XPCOMUtils.generateQI([Ci.nsIHttpPushListener,
 666                                   Ci.nsIStreamListener,
 667                                   Ci.nsRequestObserver]),
 668           getInterface: function (iid) {
 669               if (iid.equals(Ci.nsIHttpPushListener)
 670                  || iid.equals(Ci.nsIStreamListener)
 671                  || iid.equals(Ci.nsIRequestObserver))
 672               {
 673                   //debug("Get Interface Success");
 674                   return this.QueryInterface(iid);
 675               }
 676               throw Cr.NS_ERROR_NO_INTERFACE;
 677           },
 678           onStartRequest: function (request, context) {
 679               debug("----------------- start request receieved in PushService.jsm -----------------");
 680           },
 681           onStopRequest: function onStartRequest(request, context, statusCode) {
 682               debug("(((((((((((((((((((((stop osr");
 683           },
 684           onPush: function (monitorConn, channelConn) {
 685               debug("----------------- PUSH receieved in PushService.jsm -----------------");
 686               //TODO: message the _send or something with the data and the channel
 687           }
 688       };
 689       chan.asyncOpen