--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/node/udp-socket.cc	Sat Feb 10 11:29:44 2007 +0100
@@ -0,0 +1,172 @@
+/* -*-  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 "udp-socket.h"
+#include "udp.h"
+#include "udp-end-point.h"
+#include "node.h"
+#include "ipv4-l4-demux.h"
+
+namespace ns3 {
+
+UdpSocket::UdpSocket (Node *node)
+  : m_endPoint (0),
+    m_node (node)
+{
+  assert (GetUdp () != 0);
+}
+UdpSocket::~UdpSocket ()
+{
+  delete m_endPoint;
+}
+
+int
+UdpSocket::Bind (void)
+{
+  m_endPoint = GetUdp ()->Allocate ();
+  if (m_endPoint == 0)
+    {
+      return -1;
+    }
+  m_endPoint->SetSocket (this);
+  return 0;
+}
+int 
+UdpSocket::Bind (Ipv4Address address)
+{
+  m_endPoint = GetUdp ()->Allocate (address);
+  if (m_endPoint == 0)
+    {
+      return -1;
+    }
+  m_endPoint->SetSocket (this);
+  return 0;
+}
+int 
+UdpSocket::Bind (uint16_t port)
+{
+  m_endPoint = GetUdp ()->Allocate (port);
+  if (m_endPoint == 0)
+    {
+      return -1;
+    }
+  m_endPoint->SetSocket (this);
+  return 0;
+}
+int 
+UdpSocket::Bind (Ipv4Address address, uint16_t port)
+{
+  m_endPoint = GetUdp ()->Allocate (address, port);
+  if (m_endPoint == 0)
+    {
+      return -1;
+    }
+  m_endPoint->SetSocket (this);
+  return 0;
+}
+
+void 
+UdpSocket::SetDefaultDestination (Ipv4Address daddr, uint16_t dport)
+{
+  m_defaultAddress = daddr;
+  m_defaultPort = dport;
+}
+void 
+UdpSocket::SendDummy (uint32_t size)
+{
+  SendDummyTo (size, m_defaultAddress, m_defaultPort);
+}
+void 
+UdpSocket::SendDummyTo (uint32_t size, Ipv4Address daddr, uint16_t dport)
+{
+  if (m_endPoint == 0)
+    {
+      Bind ();
+      if (m_endPoint == 0)
+	{
+	  return;
+	}
+    }
+  Packet p = Packet (size);
+  GetUdp ()->Send (p, m_endPoint->GetLocalAddress (), daddr,
+		   m_endPoint->GetLocalPort (), dport);
+}
+
+void 
+UdpSocket::Send (uint8_t const*buffer, uint32_t size)
+{
+  SendTo (buffer, size, m_defaultAddress, m_defaultPort);
+}
+void 
+UdpSocket::SendTo (uint8_t const*buffer, uint32_t size,
+		   Ipv4Address daddr, uint16_t dport)
+{
+  if (m_endPoint == 0)
+    {
+      Bind ();
+      if (m_endPoint == 0)
+	{
+	  return;
+	}
+    }
+  Packet p = Packet (buffer, size);
+  GetUdp ()->Send (p, m_endPoint->GetLocalAddress (), daddr,
+		   m_endPoint->GetLocalPort (), dport);
+}
+void 
+UdpSocket::SetDummyRxCallback (Callback<void,UdpSocket*,
+			       uint32_t,
+			       Ipv4Address,uint16_t> cb)
+{
+  m_dummyRxCallback = cb;
+}
+void 
+UdpSocket::SetRxCallback (Callback<void,UdpSocket*,
+			  uint8_t const*,uint32_t,
+			  Ipv4Address,uint16_t> cb)
+{
+  m_rxCallback = cb;
+}
+
+void 
+UdpSocket::ForwardUp (Packet &p, Ipv4Address saddr, uint16_t sport)
+{
+  if (!m_dummyRxCallback.IsNull ())
+    {
+      m_dummyRxCallback (this, p.GetSize (), saddr, sport);
+    }
+  if (!m_rxCallback.IsNull ())
+    {
+      m_rxCallback (this, p.PeekData (), p.GetSize (), saddr, sport);
+    }
+}
+
+Udp *
+UdpSocket::GetUdp (void) const
+{
+  if (m_node->GetIpv4L4Demux () != 0)
+    {
+      // udp protocol number
+      return static_cast<Udp *> (m_node->GetIpv4L4Demux ()->Lookup (17));
+    }
+  return 0;
+}
+
+}//namespace ns3