First step of refactoring code (ccnx prefix => ndn prefix)
diff --git a/helper/ndn-app-helper.cc b/helper/ndn-app-helper.cc
new file mode 100644
index 0000000..dcaee07
--- /dev/null
+++ b/helper/ndn-app-helper.cc
@@ -0,0 +1,103 @@
+/* -*- 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 "ndn-app-helper.h"
+#include "ns3/log.h"
+#include "ns3/string.h"
+#include "ns3/names.h"
+#include "ns3/ndn-app.h"
+
+#ifdef NS3_MPI
+#include "ns3/mpi-interface.h"
+#endif
+
+NS_LOG_COMPONENT_DEFINE ("NdnAppHelper");
+
+namespace ns3
+{
+
+NdnAppHelper::NdnAppHelper (const std::string &app)
+{
+ m_factory.SetTypeId (app);
+}
+
+void
+NdnAppHelper::SetPrefix (const std::string &prefix)
+{
+ m_factory.Set ("Prefix", StringValue(prefix));
+}
+
+void
+NdnAppHelper::SetAttribute (std::string name, const AttributeValue &value)
+{
+ m_factory.Set (name, value);
+}
+
+ApplicationContainer
+NdnAppHelper::Install (Ptr<Node> node)
+{
+ ApplicationContainer apps;
+ Ptr<Application> app = InstallPriv (node);
+ if (app != 0)
+ apps.Add (app);
+
+ return apps;
+}
+
+ApplicationContainer
+NdnAppHelper::Install (std::string nodeName)
+{
+ Ptr<Node> node = Names::Find<Node> (nodeName);
+ return Install (node);
+}
+
+ApplicationContainer
+NdnAppHelper::Install (NodeContainer c)
+{
+ ApplicationContainer apps;
+ for (NodeContainer::Iterator i = c.Begin (); i != c.End (); ++i)
+ {
+ Ptr<Application> app = InstallPriv (*i);
+ if (app != 0)
+ apps.Add (app);
+ }
+
+ return apps;
+}
+
+Ptr<Application>
+NdnAppHelper::InstallPriv (Ptr<Node> node)
+{
+#ifdef NS3_MPI
+ if (MpiInterface::IsEnabled () &&
+ node->GetSystemId () != MpiInterface::GetSystemId ())
+ {
+ // don't create an app if MPI is enabled and node is not in the correct partition
+ return 0;
+ }
+#endif
+
+ Ptr<NdnApp> app = m_factory.Create<NdnApp> ();
+ node->AddApplication (app);
+
+ return app;
+}
+
+}