Adding end method to namedpipeinputchannel.

lib/serviceruntime/namedpipeinputchannel.js

@@ -22,6 +22,7 @@ exports = module.exports = NamedPipeInputChannel;
 
 function NamedPipeInputChannel() {
   this.closeOnRead = true;
+  this.client = null;
 }
 
 NamedPipeInputChannel.prototype.readInputChannel = function (name, parseXml, callback) {
@@ -60,18 +61,23 @@ NamedPipeInputChannel.prototype.readInputChannel = function (name, parseXml, cal
   });
 };
 
+NamedPipeInputChannel.prototype.end = function () {
+  this.client.end();
+};
+
 NamedPipeInputChannel.prototype._readData = function (name, callback) {
   var self = this;
-  var client = net.connect(name);
-  client.on('data', function (data) {
+
+  self.client = net.connect(name);
+  self.client.on('data', function (data) {
     if (self.closeOnRead) {
-      client.end();
+      self.client.end();
     }
 
     callback(undefined, data);
   });
 
-  client.on('error', function (error) {
+  self.client.on('error', function (error) {
     callback(error);
   });
 };