Is it possible to use socket.io between NodeJS and AngularJS - angularjs

Question

I have two independent applications (frontEnd and BackEnd). The backEnd is in NodeJS using express framework and the FrontEnd is in AngularJS. Is it possible to use socket.io to send a message from the server (NodeJS) to the client (AngularJS)? How I can do that? I've tried with the following code but it is not working:
server code
var app = require('express')();
var server = require('http').Server(app);
var io = require('socket.io')(server);
io.sockets.on('connection', function(socket) {
//This message is not showing
console.log("socket");
socket.volatile.emit('notification', {message: 'push message'});
});
client code
angular.module('pysFormWebApp')
.factory('mySocket', function (socketFactory) {
var mySocket = socketFactory({
prefix: 'foo~',
ioSocket: io.connect('http://localhost:3000/')
});
mySocket.forward('error');
return mySocket;
});
angular.module('formModule')
.controller('typingCtrl', ['$scope', 'mySocket', typingCtrl]);
function typingCtrl ($scope, mySocket) {
mySocket.forward('someEvent', $scope);
$scope.$on('socket:someEvent', function (ev, data) {
$scope.theData = data;
console.log(data);
});
thanks for the help

Answer 1

This is how I set my connection up. I'm not sure if it's the best way, but it definitely works and I haven't had any performance issues to date.
Client Code:
angular.module('whatever').factory('socket', function ($rootScope) {
var socket = io.connect('yourhost');
return {
on: function (eventName, callback) {
socket.on(eventName, function () {
var args = arguments;
$rootScope.$apply(function () {
callback.apply(socket, args);
});
});
},
emit: function (eventName, data, callback) {
socket.emit(eventName, data, function () {
var args = arguments;
$rootScope.$apply(function () {
if (callback) {
callback.apply(socket, args);
}
});
})
}
};
});
angular.module('whatever').controller("MainCtrl", MainCtrl);
function MainCtrl($scope, socket) {
socket.on('channelname', function(data) {
console.log("message: " + data.message);
});
}
Server Code:
var Express = require('express');
var app = new Express();
var server = Http.createServer(app);
var io = require('socket.io')(server);
io.on('connection', function(socket) {
socket.emit("channelname", {
message: "messagecontent"
});
});