官方文档：MyApp

可以在下面的几个例子找到：

examples/tutorial/fifth.cc

examples/tutorial/seventh.cc

examples/tutorial/sixth.cc

SetUp函数

class MyApp : public Application
{
public:MyApp ();virtual ~MyApp();void Setup (Ptr<Socket> socket, Address address, uint32_t packetSize, uint32_t nPackets, DataRate dataRate);private:virtual void StartApplication (void);virtual void StopApplication (void);void ScheduleTx (void);void SendPacket (void);Ptr<Socket>     m_socket;Address         m_peer;uint32_t        m_packetSize;uint32_t        m_nPackets;DataRate        m_dataRate;EventId         m_sendEvent;bool            m_running;uint32_t        m_packetsSent;
};MyApp::MyApp (): m_socket (0),m_peer (),m_packetSize (0),m_nPackets (0),m_dataRate (0),m_sendEvent (),m_running (false),m_packetsSent (0)
{
}MyApp::~MyApp()
{m_socket = 0;
}void
MyApp::Setup (Ptr<Socket> socket, Address address, uint32_t packetSize, uint32_t nPackets, DataRate dataRate)
{m_socket = socket;m_peer = address;m_packetSize = packetSize;m_nPackets = nPackets;m_dataRate = dataRate;
}void
MyApp::StartApplication (void)
{m_running = true;m_packetsSent = 0;m_socket->Bind ();m_socket->Connect (m_peer);SendPacket ();
}void
MyApp::StopApplication (void)
{m_running = false;if (m_sendEvent.IsRunning ()){Simulator::Cancel (m_sendEvent);}if (m_socket){m_socket->Close ();}
}void
MyApp::SendPacket (void)
{Ptr<Packet> packet = Create<Packet> (m_packetSize);m_socket->Send (packet);if (++m_packetsSent < m_nPackets){ScheduleTx ();}
}void
MyApp::ScheduleTx (void)
{if (m_running){Time tNext (Seconds (m_packetSize * 8 / static_cast<double> (m_dataRate.GetBitRate ())));m_sendEvent = Simulator::Schedule (tNext, &MyApp::SendPacket, this);}
}static void
CwndChange (uint32_t oldCwnd, uint32_t newCwnd)
{NS_LOG_UNCOND (Simulator::Now ().GetSeconds () << "\t" << newCwnd);
}static void
RxDrop (Ptr<const Packet> p)
{NS_LOG_UNCOND ("RxDrop at " << Simulator::Now ().GetSeconds ());
}