--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/internet-node/arp-header.h	Fri May 04 15:04:07 2007 +0200
@@ -0,0 +1,69 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2005 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>
+ */
+
+#ifndef ARP_HEADER_H
+#define ARP_HEADER_H
+
+#include "ns3/header.h"
+#include "ns3/mac-address.h"
+#include "ns3/ipv4-address.h"
+
+namespace ns3 {
+
+class ArpHeader : public Header {
+ public:
+  virtual ~ArpHeader ();
+
+  void SetRequest (MacAddress sourceHardwareAddress,
+                   Ipv4Address sourceProtocolAddress,
+                   MacAddress destinationHardwareAddress,
+                   Ipv4Address destinationProtocolAddress);
+  void SetReply (MacAddress sourceHardwareAddress,
+                 Ipv4Address sourceProtocolAddress,
+                 MacAddress destinationHardwareAddress,
+                 Ipv4Address destinationProtocolAddress);
+  bool IsRequest (void) const;
+  bool IsReply (void) const;
+  MacAddress GetSourceHardwareAddress (void);
+  MacAddress GetDestinationHardwareAddress (void);
+  Ipv4Address GetSourceIpv4Address (void);
+  Ipv4Address GetDestinationIpv4Address (void);
+
+private:
+  virtual void PrintTo (std::ostream &os) const;
+  virtual uint32_t GetSerializedSize (void) const;
+  virtual void SerializeTo (Buffer::Iterator start) const;
+  virtual uint32_t DeserializeFrom (Buffer::Iterator start);
+
+  enum ArpType_e {
+    ARP_TYPE_REQUEST = 1,
+    ARP_TYPE_REPLY   = 2
+  };
+  uint16_t m_type;
+  MacAddress m_macSource;
+  MacAddress m_macDest;
+  Ipv4Address m_ipv4Source;
+  Ipv4Address m_ipv4Dest;
+};
+
+}; // namespace ns3
+
+#endif /* ARP_HEADER_H */