src/node/ipv4-packet-info-tag.cc
changeset 6442 f380cf1aa4d8
child 6444 9cdbf35532a3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/node/ipv4-packet-info-tag.cc	Tue Jul 13 13:00:55 2010 +0900
@@ -0,0 +1,284 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2010 Hajime Tazaki
+ *
+ * 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
+ *
+ * Authors: Hajime Tazaki <tazaki@sfc.wide.ad.jp>
+ */
+
+
+#include <stdint.h>
+#include "ns3/ipv4-address.h"
+#include "ns3/test.h"
+#include "ipv4-packet-info-tag.h"
+
+namespace ns3 {
+
+Ipv4PacketInfoTag::Ipv4PacketInfoTag ()  
+  : m_addr (Ipv4Address ()),
+    m_spec_dst (Ipv4Address ()),
+    m_ifindex (0),
+    m_ttl (0)
+{
+}
+
+void 
+Ipv4PacketInfoTag::SetAddress (Ipv4Address addr)
+{
+  m_addr = addr;
+}
+
+Ipv4Address
+Ipv4PacketInfoTag::GetAddress (void) const
+{
+  return m_addr;
+}
+
+void 
+Ipv4PacketInfoTag::SetLocalAddress (Ipv4Address addr)
+{
+  m_spec_dst = addr;
+}
+
+Ipv4Address
+Ipv4PacketInfoTag::GetLocalAddress (void) const
+{
+  return m_spec_dst;
+}
+
+void 
+Ipv4PacketInfoTag::SetRecvIf (uint32_t ifindex)
+{
+  m_ifindex = ifindex;
+}
+
+uint32_t 
+Ipv4PacketInfoTag::GetRecvIf (void) const
+{
+  return m_ifindex;
+}
+
+void 
+Ipv4PacketInfoTag::SetTtl (uint8_t ttl)
+{
+  m_ttl = ttl;
+}
+
+uint8_t 
+Ipv4PacketInfoTag::GetTtl (void) const
+{
+  return m_ttl;
+}
+
+
+
+TypeId
+Ipv4PacketInfoTag::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::Ipv4PacketInfoTag")
+    .SetParent<Tag> ()
+    .AddConstructor<Ipv4PacketInfoTag> ()
+    ;
+  return tid;
+}
+TypeId
+Ipv4PacketInfoTag::GetInstanceTypeId (void) const
+{
+  return GetTypeId ();
+}
+
+uint32_t 
+Ipv4PacketInfoTag::GetSerializedSize (void) const
+{ 
+  return 4 + 4 
+    + sizeof (uint32_t)
+    + sizeof (uint8_t);
+}
+void 
+Ipv4PacketInfoTag::Serialize (TagBuffer i) const
+{ 
+  uint8_t buf[4];
+  m_addr.Serialize (buf);
+  i.Write (buf, 4);
+  m_spec_dst.Serialize (buf);
+  i.Write (buf, 4);
+  i.WriteU32 (m_ifindex);
+  i.WriteU8 (m_ttl);
+}
+void 
+Ipv4PacketInfoTag::Deserialize (TagBuffer i)
+{ 
+  uint8_t buf[4];
+  i.Read (buf, 4);
+  m_addr.Deserialize (buf);
+  i.Read (buf, 4);
+  m_spec_dst.Deserialize (buf);
+  m_ifindex = i.ReadU32 ();
+  m_ttl = i.ReadU8 ();
+}
+void
+Ipv4PacketInfoTag::Print (std::ostream &os) const
+{
+  os << "Ipv4 PKTINFO [DestAddr: " << m_addr;
+  os << ", Local Address:" << m_spec_dst;
+  os << ", RecvIf:" << (uint32_t) m_ifindex;
+  os << ", TTL:" << (uint32_t) m_ttl;
+  os << "] ";
+}
+}//namespace ns3
+
+//-----------------------------------------------------------------------------
+// Unit tests
+//-----------------------------------------------------------------------------
+
+#include "ns3/log.h"
+#include "ns3/abort.h"
+#include "ns3/attribute.h"
+#include "ns3/object-factory.h"
+#include "ns3/internet-stack-helper.h"
+#include "ns3/ipv4-address-helper.h"
+#include "ns3/csma-helper.h"
+#include "ns3/node-container.h"
+#include "ns3/object-factory.h"
+#include "ns3/socket-factory.h"
+#include "ns3/udp-socket-factory.h"
+#include "ns3/udp-socket.h"
+#include "ns3/ipv4-raw-socket-factory.h"
+#include "ns3/inet-socket-address.h"
+#include "ns3/simulator.h"
+
+namespace ns3 {
+
+class Ipv4PacketInfoTagTest: public TestCase 
+{
+public:
+  Ipv4PacketInfoTagTest ();
+private:
+  virtual bool DoRun (void);
+  void RxCb (Ptr<Socket> socket);
+  void DoSendData (Ptr<Socket> socket, std::string to);
+};
+
+Ipv4PacketInfoTagTest::Ipv4PacketInfoTagTest ()
+  : TestCase ("Ipv4PacketInfoTagTest") 
+{}
+
+void
+Ipv4PacketInfoTagTest::RxCb (Ptr<Socket> socket)
+{
+  uint32_t availableData;
+  Ptr<Packet> m_receivedPacket;
+
+  availableData = socket->GetRxAvailable ();
+  m_receivedPacket = socket->Recv (std::numeric_limits<uint32_t>::max(), 0);
+  NS_ASSERT (availableData == m_receivedPacket->GetSize ());
+
+  Ipv4PacketInfoTag tag;
+  bool found;
+  found = m_receivedPacket->RemovePacketTag (tag);
+  NS_ASSERT (found);
+  tag.Print (std::cout);
+}
+
+void
+Ipv4PacketInfoTagTest::DoSendData (Ptr<Socket> socket, std::string to)
+{
+  Address realTo = InetSocketAddress (Ipv4Address (to.c_str()), 200);
+  if (DynamicCast<UdpSocket> (socket) != 0)
+    {
+      NS_TEST_EXPECT_MSG_EQ (socket->SendTo (Create<Packet> (123), 0, realTo),
+                             123, "XXX");
+    }
+  // Should only Ipv4RawSock
+  else
+    {
+      socket->SendTo (Create<Packet> (123), 0, realTo);
+    }
+}
+
+bool
+Ipv4PacketInfoTagTest::DoRun (void)
+{
+  NodeContainer n;
+  n.Create (2);
+
+  InternetStackHelper internet;
+  internet.Install (n);
+
+  CsmaHelper csma;
+  NetDeviceContainer d = csma.Install (n);
+
+  Ipv4AddressHelper ipv4;
+  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
+  Ipv4InterfaceContainer i = ipv4.Assign (d);
+
+  // IPv4 test
+  Ptr<SocketFactory> factory = n.Get (0)->GetObject<SocketFactory> (UdpSocketFactory::GetTypeId ());
+  Ptr<Socket> socket = factory->CreateSocket ();
+  InetSocketAddress local =  InetSocketAddress (Ipv4Address::GetAny (), 200);
+  socket->Bind (local);
+  socket->SetRecvPktInfo (true);
+  socket->SetRecvCallback (MakeCallback (&ns3::Ipv4PacketInfoTagTest::RxCb, this));
+
+  // receive on loopback 
+  Simulator::ScheduleWithContext (socket->GetNode ()->GetId (), Seconds (0),
+                                  &Ipv4PacketInfoTagTest::DoSendData, this, socket, "127.0.0.1");
+  Simulator::Run ();
+
+  // send from node1 and recved via csma
+  Ptr<SocketFactory> factory2 = n.Get (1)->GetObject<SocketFactory> (UdpSocketFactory::GetTypeId ());
+  Ptr<Socket> socket2 = factory2->CreateSocket ();
+  Simulator::ScheduleWithContext (socket2->GetNode ()->GetId (), Seconds (0),
+                                  &Ipv4PacketInfoTagTest::DoSendData, this, socket, "10.1.1.1");
+  Simulator::Run ();
+
+  // ipv4 w rawsocket
+  factory = n.Get (0)->GetObject<SocketFactory> (Ipv4RawSocketFactory::GetTypeId ());
+  socket = factory->CreateSocket ();
+  local =  InetSocketAddress (Ipv4Address::GetAny (), 0);
+  socket->Bind (local);
+  socket->SetRecvPktInfo (true);
+  socket->SetRecvCallback (MakeCallback (&ns3::Ipv4PacketInfoTagTest::RxCb, this));
+
+  // receive on loopback 
+  Simulator::ScheduleWithContext (socket->GetNode ()->GetId (), Seconds (0),
+                                  &Ipv4PacketInfoTagTest::DoSendData, this, socket, "127.0.0.1");
+  Simulator::Run ();
+
+  // send from node1 and recved via csma
+  factory2 = n.Get (1)->GetObject<SocketFactory> (Ipv4RawSocketFactory::GetTypeId ());
+  socket2 = factory2->CreateSocket ();
+  Simulator::ScheduleWithContext (socket2->GetNode ()->GetId (), Seconds (0),
+                                  &Ipv4PacketInfoTagTest::DoSendData, this, socket, "10.1.1.1");
+  Simulator::Run ();
+
+  return 0;
+}
+
+static class Ipv4PacketInfoTagTestSuite : public TestSuite
+{
+public:
+  Ipv4PacketInfoTagTestSuite ();
+private:
+} g_packetinfotagTests;
+
+Ipv4PacketInfoTagTestSuite::Ipv4PacketInfoTagTestSuite ()
+  : TestSuite ("ipv4-packet-info-tag", UNIT)
+{
+  AddTestCase (new Ipv4PacketInfoTagTest ());
+}
+
+
+}