--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/applications/udp-client-server/udp-server.h	Fri Nov 27 17:06:45 2009 +0100
@@ -0,0 +1,94 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2007,2008,2009 INRIA, UDCAST
+ *
+ * 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: Amine Ismail <amine.ismail@sophia.inria.fr>
+ *                      <amine.ismail@udcast.com>
+ *
+ */
+
+#ifndef __UDP_SERVER_H__
+#define __UDP_SERVER_H__
+
+#include "ns3/application.h"
+#include "ns3/event-id.h"
+#include "ns3/ptr.h"
+#include "ns3/address.h"
+#include "packet-loss-counter.h"
+namespace ns3 {
+/**
+ * \ingroup applications
+ * \defgroup udpclientserver UdpClientServer
+ */
+
+/**
+ * \ingroup udpclientserver
+ * \class UdpServer
+ * \brief A Udp server. Receives UDP packets from a remote host. UDP packets
+ * carry a 32bits sequence number followed by a 64bits time stamp in their
+ * payloads. The application uses, the sequence number to determine if a packet
+ * is lost, and the time stamp to compute the delay
+ */
+class UdpServer : public Application
+{
+public:
+  static TypeId GetTypeId (void);
+  UdpServer ();
+  virtual ~UdpServer ();
+  /**
+   * returns the number of lost packets
+   * \return the number of lost packets
+   */
+  uint32_t GetLost (void) const;
+
+  /**
+   * \brief returns the number of received packets
+   * \return the number of received packets
+   */
+  uint32_t GetReceived (void) const;
+
+  /**
+   * \return the size of the window used for checking loss.
+   */
+  uint16_t GetPacketWindowSize () const;
+
+  /**
+   * \brief Set the size of the window used for checking loss. This value should
+   *  be a multiple of 8
+   * \param size the size of the window used for checking loss. This value should
+   *  be a multiple of 8
+   */
+  void SetPacketWindowSize (uint16_t size);
+protected:
+  virtual void DoDispose (void);
+
+private:
+
+  virtual void StartApplication (void);
+  virtual void StopApplication (void);
+
+  void HandleRead (Ptr<Socket> socket);
+
+  uint16_t m_port;
+  Ptr<Socket> m_socket;
+  Address m_local;
+  uint32_t m_received;
+  PacketLossCounter m_lossCounter;
+};
+
+} // namespace ns3
+
+#endif // __UDP_SERVER_H__