Interest Sender Helper was added
diff --git a/helper/ccnx-interest-sender-helper.cc b/helper/ccnx-interest-sender-helper.cc
new file mode 100644
index 0000000..ca0b9f0
--- /dev/null
+++ b/helper/ccnx-interest-sender-helper.cc
@@ -0,0 +1,75 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Ilya Moiseenko <iliamo@cs.ucla.edu>
+ */
+
+#include "ccnx-interest-sender-helper.h"
+#include "ns3/inet-socket-address.h"
+#include "ns3/packet-socket-address.h"
+#include "ns3/string.h"
+#include "ns3/names.h"
+
+namespace ns3 
+{
+    
+CcnxInterestSenderHelper::CcnxInterestSenderHelper (Ptr<CcnxNameComponents> interestName)
+{
+    m_factory.SetTypeId ("ns3::CcnxInterestSender");
+    m_factory.Set ("InterestName", PointerValue (interestName));
+}
+    
+void 
+CcnxInterestSenderHelper::SetAttribute (std::string name, const AttributeValue &value)
+{
+    m_factory.Set (name, value);
+}
+    
+ApplicationContainer
+CcnxInterestSenderHelper::Install (Ptr<Node> node) const
+{
+    return ApplicationContainer (InstallPriv (node));
+}
+    
+ApplicationContainer
+CcnxInterestSenderHelper::Install (std::string nodeName) const
+{
+    Ptr<Node> node = Names::Find<Node> (nodeName);
+    return ApplicationContainer (InstallPriv (node));
+}
+    
+ApplicationContainer
+CcnxInterestSenderHelper::Install (NodeContainer c) const
+{
+    ApplicationContainer apps;
+    for (NodeContainer::Iterator i = c.Begin (); i != c.End (); ++i)
+    {
+        apps.Add (InstallPriv (*i));
+    }
+        
+    return apps;
+}
+    
+Ptr<Application>
+CcnxInterestSenderHelper::InstallPriv (Ptr<Node> node) const
+{
+    Ptr<Application> app = m_factory.Create<Application> ();
+    node->AddApplication (app);
+        
+    return app;
+}
+}
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