--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/dsr/model/dsr-network-queue.h	Sun May 06 20:52:24 2012 -0700
@@ -0,0 +1,136 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 Yufei Cheng
+ *
+ * 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: Yufei Cheng   <yfcheng@ittc.ku.edu>
+ *
+ * James P.G. Sterbenz <jpgs@ittc.ku.edu>, director
+ * ResiliNets Research Group  http://wiki.ittc.ku.edu/resilinets
+ * Information and Telecommunication Technology Center (ITTC)
+ * and Department of Electrical Engineering and Computer Science
+ * The University of Kansas Lawrence, KS USA.
+ *
+ * Work supported in part by NSF FIND (Future Internet Design) Program
+ * under grant CNS-0626918 (Postmodern Internet Architecture),
+ * NSF grant CNS-1050226 (Multilayer Network Resilience Analysis and Experimentation on GENI),
+ * US Department of Defense (DoD), and ITTC at The University of Kansas.
+ */
+
+#ifndef DSR_NETWORK_QUEUE_H
+#define DSR_NETWORK_QUEUE_H
+
+#include <vector>
+#include "ns3/ipv4-routing-protocol.h"
+#include "ns3/simulator.h"
+#include "ns3/ipv4-header.h"
+#include "dsr-option-header.h"
+
+namespace ns3 {
+namespace dsr {
+
+enum DsrMessageType
+{
+  DSR_CONTROL_PACKET = 1,
+  DSR_DATA_PACKET = 2
+};
+/**
+ * \ingroup dsr
+ * \brief DSR Network Queue Entry
+ */
+class DsrNetworkQueueEntry
+{
+public:
+  /// c-tor
+  DsrNetworkQueueEntry (Ptr<const Packet> pa = 0, Ipv4Address s = Ipv4Address (), Ipv4Address n = Ipv4Address (),
+                        Time exp = Simulator::Now (), Ptr<Ipv4Route> r = 0)
+    : m_packet (pa),
+      m_srcAddr (s),
+      m_nextHopAddr (n),
+      tstamp (exp),
+      m_ipv4Route (r)
+  {
+  }
+  /**
+   * Compare send buffer entries
+   * \return true if equal
+   */
+  bool operator== (DsrNetworkQueueEntry const & o) const
+  {
+    return ((m_packet == o.m_packet) && (m_srcAddr == o.m_srcAddr) && (m_nextHopAddr == o.m_nextHopAddr) &&
+            (tstamp == o.tstamp) && (m_ipv4Route == o.m_ipv4Route));
+  }
+
+  ///\name Fields
+  //\{
+  Ptr<const Packet> GetPacket () const { return m_packet; }
+  void SetPacket (Ptr<const Packet> p) { m_packet = p; }
+  Ptr<Ipv4Route> GetIpv4Route() const { return m_ipv4Route; }
+  void SetIpv4Route (Ptr<Ipv4Route> route) { m_ipv4Route = route; }
+  Ipv4Address GetSourceAddress() const { return m_srcAddr; }
+  void SetSourceAddress (Ipv4Address addr) { m_srcAddr = addr; }
+  Ipv4Address GetNextHopAddress() const { return m_nextHopAddr; }
+  void SetNextHopAddress (Ipv4Address addr) { m_nextHopAddr = addr; }
+  Time GetInsertedTimeStamp (void) const {return tstamp;}
+  void SetInsertedTimeStamp (Time time) {tstamp = time;}
+  //\}
+private:
+  /// Data packet
+  Ptr<const Packet> m_packet;
+  Ipv4Address m_srcAddr;
+  Ipv4Address m_nextHopAddr;
+  Time tstamp;
+  /// Ipv4Route
+  Ptr<Ipv4Route> m_ipv4Route;
+};
+
+class DsrNetworkQueue : public Object
+{
+public:
+  static TypeId GetTypeID (void);
+  /// Default c-tor
+  DsrNetworkQueue ();
+  DsrNetworkQueue (uint32_t maxLen, Time maxDelay);
+  ~DsrNetworkQueue ();
+  /// Push entry in queue, if there is no entry with the same packet and destination address in queue.
+  bool Enqueue (DsrNetworkQueueEntry & entry);
+  /// Return first found (the earliest) entry for given destination
+  bool Dequeue (DsrNetworkQueueEntry & entry);
+  /// Number of entries
+  uint32_t GetSize ();
+
+  void SetMaxNetworkSize (uint32_t maxSize);
+  void SetMaxNetworkDelay (Time delay);
+  uint32_t GetMaxNetworkSize (void) const;
+  Time GetMaxNetworkDelay (void) const;
+  void Flush (void);
+
+  std::vector<DsrNetworkQueueEntry> & GetQueue ()
+  {
+    return m_dsrNetworkQueue;
+  }
+
+private:
+  void Cleanup (void);
+  std::vector<DsrNetworkQueueEntry> m_dsrNetworkQueue;
+  uint32_t m_size;
+  uint32_t m_maxSize;
+  Time m_maxDelay;
+};
+
+} // namespace dsr
+} // namespace ns3
+
+#endif /* DSR_NETWORK_QUEUE_H */