--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/helper/ns2-mobility-helper.cc	Fri Mar 21 13:24:15 2008 -0700
@@ -0,0 +1,163 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2007 INRIA
+ * All rights reserved.
+ *
+ * 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
+ */
+#include <fstream>
+#include <sstream>
+#include "ns3/log.h"
+#include "ns3/simulator.h"
+#include "ns3/node-list.h"
+#include "ns3/node.h"
+#include "ns3/static-speed-mobility-model.h"
+#include "ns3/mobility-model-notifier.h"
+#include "ns2-mobility-helper.h"
+
+NS_LOG_COMPONENT_DEFINE ("Ns2MobilityHelper");
+
+namespace ns3 {
+
+
+Ns2MobilityHelper::Ns2MobilityHelper (std::string filename)
+  : m_filename (filename)
+{}
+
+void 
+Ns2MobilityHelper::EnableNotifier (void)
+{
+  m_notifierEnabled = true;
+}
+void 
+Ns2MobilityHelper::DisableNotifier (void)
+{
+  m_notifierEnabled = false;
+}
+
+
+
+Ptr<StaticSpeedMobilityModel>
+Ns2MobilityHelper::GetMobilityModel (std::string idString, const ObjectStore &store) const
+{
+  std::istringstream iss;
+  iss.str (idString);
+  uint32_t id;
+  iss >> id;
+  Ptr<Object> object = store.Get (id);
+  if (object == 0)
+    {
+      return 0;
+    }
+  Ptr<StaticSpeedMobilityModel> model = object->GetObject<StaticSpeedMobilityModel> ();
+  if (model == 0)
+    {
+      model = CreateObject<StaticSpeedMobilityModel> ();
+      object->AggregateObject (model);
+    }
+  Ptr<MobilityModelNotifier> notifier = object->GetObject<MobilityModelNotifier> ();
+  if (notifier == 0)
+    {
+      notifier = CreateObject<MobilityModelNotifier> ();
+      object->AggregateObject (notifier);
+    }
+  return model;
+}
+
+double
+Ns2MobilityHelper::ReadDouble (std::string valueString) const
+{
+  std::istringstream iss;
+  iss.str (valueString);
+  double value;
+  iss >> value;
+  return value;
+}
+
+void 
+Ns2MobilityHelper::LayoutObjectStore (const ObjectStore &store) const
+{
+  std::ifstream file (m_filename.c_str (), std::ios::in);
+  if (file.is_open())
+    {
+      while (!file.eof() )
+	{
+	  std::string line;
+	  getline (file, line);
+	  std::string::size_type startNodeId = line.find_first_of ("(");
+	  std::string::size_type endNodeId = line.find_first_of (")");
+	  if (startNodeId == std::string::npos ||
+	      endNodeId == std::string::npos)
+	    {
+	      continue;
+	    }
+	  Ptr<StaticSpeedMobilityModel> model = GetMobilityModel (line.substr (startNodeId + 1, 
+									       endNodeId - startNodeId), 
+								  store);
+	  if (model == 0)
+	    {
+	      continue;
+	    }
+	  if (startNodeId == 6)
+	    {
+	      double value = ReadDouble (line.substr (endNodeId + 9, std::string::npos));
+	      std::string coordinate = line.substr (endNodeId + 6, 1);
+              Vector position = model->GetPosition ();
+	      if (coordinate == "X")
+		{
+                  position.x = value;
+		  NS_LOG_DEBUG ("X=" << value);
+		}
+	      else if (coordinate == "Y")
+		{
+                  position.y = value;
+		  NS_LOG_DEBUG ("Y=" << value);
+		}
+	      else if (coordinate == "Z")
+		{
+                  position.z = value;
+		  NS_LOG_DEBUG ("Z=" << value);
+		}
+              else
+                {
+                  continue;
+                }
+              model->SetPosition (position);
+	    }
+	  else 
+	    {
+	      double at = ReadDouble (line.substr (8, startNodeId - 17));
+	      std::string::size_type xSpeedEnd = line.find_first_of (" ", endNodeId + 10);
+	      std::string::size_type ySpeedEnd = line.find_first_of (" ", xSpeedEnd + 1);
+	      double xSpeed = ReadDouble (line.substr (endNodeId + 10, xSpeedEnd - endNodeId - 10));
+	      double ySpeed = ReadDouble (line.substr (xSpeedEnd + 1, ySpeedEnd - xSpeedEnd - 1));
+	      double zSpeed = ReadDouble (line.substr (ySpeedEnd + 1, std::string::npos));
+	      NS_LOG_DEBUG ("at=" << at << "xSpeed=" << xSpeed << ", ySpeed=" << ySpeed << ", zSpeed=" << zSpeed);
+	      Simulator::Schedule (Seconds (at), &StaticSpeedMobilityModel::SetSpeed, model,
+				   Vector (xSpeed, ySpeed, zSpeed));
+	    }
+	}
+      file.close();
+    }
+}
+
+void 
+Ns2MobilityHelper::Layout (void) const
+{
+  Layout (NodeList::Begin (), NodeList::End ());
+}
+
+} // namespace ns3