--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/tcp-nonlistening-server.cc Fri Jan 25 13:57:38 2008 -0500
@@ -0,0 +1,191 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * 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
+ *
+ */
+
+//
+// Network topology
+//
+// 100Kb/s, 10ms 1Mb/s, 10ms
+// n0-----------------n1-----------------n2
+//
+//
+// - Tracing of queues and packet receptions to file
+// "tcp-nonlistening-server.tr"
+// - pcap traces also generated in the following files
+// "tcp-nonlistening-server.pcap-$n-$i" where n and i represent node and interface numbers respectively
+// Usage (e.g.): ./waf --run tcp-nonlistening-server
+
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <cassert>
+
+#include "ns3/command-line.h"
+#include "ns3/default-value.h"
+#include "ns3/ptr.h"
+#include "ns3/random-variable.h"
+#include "ns3/log.h"
+
+#include "ns3/simulator.h"
+#include "ns3/nstime.h"
+#include "ns3/data-rate.h"
+
+#include "ns3/ascii-trace.h"
+#include "ns3/pcap-trace.h"
+#include "ns3/internet-node.h"
+#include "ns3/point-to-point-channel.h"
+#include "ns3/point-to-point-net-device.h"
+#include "ns3/ipv4-address.h"
+#include "ns3/inet-socket-address.h"
+#include "ns3/ipv4.h"
+#include "ns3/socket.h"
+#include "ns3/ipv4-route.h"
+#include "ns3/point-to-point-topology.h"
+#include "ns3/onoff-application.h"
+#include "ns3/packet-sink.h"
+#include "ns3/error-model.h"
+
+#include "ns3/tcp.h"
+
+using namespace ns3;
+
+NS_LOG_COMPONENT_DEFINE ("TcpNonListeningServer");
+
+void ConnectionSucceededCallback (Ptr<Socket> localSocket)
+{
+ uint32_t nBytes = 2000;
+ uint8_t data[nBytes];
+ for(uint32_t i = 0; i < nBytes; ++i)
+ {
+ char m = 'A';
+ data[i] = m;
+ } //put something interesting in the packets ABCDEF...
+ localSocket->Send (data, nBytes);
+}
+
+void ConnectionFailedCallback (Ptr<Socket> localSocket)
+{
+ NS_LOG_ERROR("Connection failed at time " << Simulator::Now ().GetSeconds ());
+}
+
+void StartFlow(Ptr<Socket> localSocket, uint16_t servPort)
+{
+ NS_LOG_LOGIC(std::endl << "Connection attempt at time " <<
+ Simulator::Now ().GetSeconds () << std::endl);
+ localSocket->Connect (InetSocketAddress ("10.1.2.2", servPort));
+ localSocket->SetConnectCallback (
+ MakeCallback (&ConnectionSucceededCallback),
+ MakeCallback (&ConnectionFailedCallback),
+ MakeNullCallback<void, Ptr<Socket> > () );
+}
+
+int main (int argc, char *argv[])
+{
+
+ // Users may find it convenient to turn on explicit debugging
+ // for selected modules; the below lines suggest how to do this
+ //LogComponentEnable("TcpL4Protocol", LOG_LEVEL_ALL);
+ //LogComponentEnable("TcpSocket", LOG_LEVEL_ALL);
+ LogComponentEnable("TcpNonListeningServer", LOG_LEVEL_ALL);
+
+ // Allow the user to override any of the defaults and the above
+ // Bind()s at run-time, via command-line arguments
+ CommandLine::Parse (argc, argv);
+
+ // Here, we will explicitly create three nodes. In more sophisticated
+ // topologies, we could configure a node factory.
+ Ptr<Node> n0 = Create<InternetNode> ();
+ Ptr<Node> n1 = Create<InternetNode> ();
+ Ptr<Node> n2 = Create<InternetNode> ();
+
+ // We create the channels first without any IP addressing information
+ Ptr<PointToPointChannel> channel0 =
+ PointToPointTopology::AddPointToPointLink (
+ n0, n1, DataRate(1000000), MilliSeconds(10));
+
+ // Later, we add IP addresses.
+ PointToPointTopology::AddIpv4Addresses (
+ channel0, n0, Ipv4Address("10.1.3.1"),
+ n1, Ipv4Address("10.1.3.2"));
+
+ Ptr<PointToPointChannel> channel1 =
+ PointToPointTopology::AddPointToPointLink (
+ n1, n2, DataRate(100000), MilliSeconds(10));
+
+ PointToPointTopology::AddIpv4Addresses (
+ channel1, n1, Ipv4Address("10.1.2.1"),
+ n2, Ipv4Address("10.1.2.2"));
+
+ // Finally, we add static routes. These three steps (Channel and
+ // NetDevice creation, IP Address assignment, and routing) are
+ // separated because there may be a need to postpone IP Address
+ // assignment (emulation) or modify to use dynamic routing
+ PointToPointTopology::AddIpv4Routes(n0, n1, channel0);
+ PointToPointTopology::AddIpv4Routes(n1, n2, channel1);
+ Ptr<Ipv4> ipv4;
+ ipv4 = n0->QueryInterface<Ipv4> (Ipv4::iid);
+ ipv4->SetDefaultRoute (Ipv4Address ("10.1.3.2"), 1);
+ ipv4 = n2->QueryInterface<Ipv4> (Ipv4::iid);
+ ipv4->SetDefaultRoute (Ipv4Address ("10.1.2.1"), 1);
+
+
+ ///////////////////////////////////////////////////////////////////////////
+ // Simulation 1
+ //
+ // Send 2000 bytes over a connection to server port 500 at time 0
+ // Should observe SYN exchange, two data segments, and FIN exchange
+ //
+ ///////////////////////////////////////////////////////////////////////////
+
+ uint16_t servPort = 500;
+
+ Ptr<SocketFactory> socketFactory =
+ n0->QueryInterface<SocketFactory> (Tcp::iid);
+ Ptr<Socket> localSocket = socketFactory->CreateSocket ();
+ localSocket->Bind ();
+
+#ifdef NOTFORTHISSCRIPT
+ // Create an optional packet sink to receive these packets
+ Ptr<PacketSink> sink = Create<PacketSink> (
+ n2,
+ InetSocketAddress (Ipv4Address::GetAny (), servPort),
+ "Tcp");
+ // Start the sink
+ sink->Start (Seconds (0.0));
+ sink->Stop (Seconds (10.0));
+#endif
+
+ Simulator::Schedule(Seconds(0), &StartFlow, localSocket, servPort);
+
+ // Configure tracing of all enqueue, dequeue, and NetDevice receive events
+ // Trace output will be sent to the simple-examples.tr file
+ AsciiTrace asciitrace ("tcp-nonlistening-server.tr");
+ asciitrace.TraceAllQueues ();
+ asciitrace.TraceAllNetDeviceRx ();
+
+ // Also configure some tcpdump traces; each interface will be traced
+ // The output files will be named
+ // simple-examples.pcap-<nodeId>-<interfaceId>
+ // and can be read by the "tcpdump -r" command (use "-tt" option to
+ // display timestamps correctly)
+ PcapTrace pcaptrace ("tcp-nonlistening-server.pcap");
+ pcaptrace.TraceAllIp ();
+
+
+ Simulator::StopAt (Seconds(1000));
+ Simulator::Run ();
+ Simulator::Destroy ();
+}