Add TLS Support

lib/client.js

@@ -3,6 +3,7 @@
 var log     = require('winston'),
     merge   = require('utils-merge'),
     net     = require('net'),
+    tls     = require('tls'),
     session = require('./session');
 
 function login() {
@@ -94,7 +95,6 @@ function clientSession(sock, options) {
  * @param func callback(err, session)
  */
 function client(options, callback) {
-	var sock = new net.Socket();
 
 	// Set default options
 	options = merge({
@@ -102,11 +102,18 @@ function client(options, callback) {
 		'port':          2775,
 		'username':      'user',
 		'password':      'pass',
+		'tls':      	 false,
 		'enqLinkTiming': 20000 // 20 sec
 	}, options || {});
 
+	if(options && options.tls && option.tls === true){
+		var sock = new tls.Socket();
+	} else {
+		var sock = new net.Socket();
+	}
+
 	log.debug('larvitsmpp: lib/client.js: client() - Connecting to ' + options.host + ':' + options.port);
-	sock.connect(options.port, options.host, function() {
+	sock.connect(options, function() {
 		var session = clientSession(sock, options);
 
 		log.info('larvitsmpp: lib/client.js: client() - Connected to ' + sock.remoteAddress + ':' + sock.remotePort);

lib/server.js

@@ -3,6 +3,7 @@
 var log       = require('winston'),
     merge     = require('utils-merge'),
     net       = require('net'),
+    tls       = require('tls'),
     session   = require('./session'),
     smppUtils = require('./utils');
 
@@ -154,13 +155,20 @@ function server(options, callback) {
     // Set default options
     options = merge({
         'port': 2775,
+        'tls': false,
         'timeout': 40000 // 40 sec
     }, options || {});
 
+    if(options && options.tls && option.tls === true){
+        var tls_or_net = tls;
+    } else {
+        var tls_or_net = net;
+    }
+
     // Create a server instance, and chain the listen function to it
     // The function passed to net.createServer() becomes the event handler for the 'connection' event
     // The sock object the callback function receives UNIQUE for each connection
-	net.createServer(function(sock) {
+    tls_or_net.createServer(options, function(sock) {
         var returnObj = serverSession(sock, options);
 
         // We have a connection - a socket object is assigned to the connection automatically