111 lines
2.4 KiB
C++
111 lines
2.4 KiB
C++
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tutorial-app.h"
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#include "ns3/applications-module.h"
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using namespace ns3;
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TutorialApp::TutorialApp()
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: m_socket(nullptr),
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m_peer(),
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m_packetSize(0),
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m_nPackets(0),
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m_dataRate(0),
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m_sendEvent(),
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m_running(false),
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m_packetsSent(0)
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{
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}
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TutorialApp::~TutorialApp()
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{
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m_socket = nullptr;
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}
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/* static */
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TypeId
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TutorialApp::GetTypeId()
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{
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static TypeId tid = TypeId("TutorialApp")
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.SetParent<Application>()
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.SetGroupName("Tutorial")
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.AddConstructor<TutorialApp>();
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return tid;
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}
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void
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TutorialApp::Setup(Ptr<Socket> socket,
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Address address,
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uint32_t packetSize,
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uint32_t nPackets,
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DataRate dataRate)
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{
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m_socket = socket;
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m_peer = address;
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m_packetSize = packetSize;
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m_nPackets = nPackets;
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m_dataRate = dataRate;
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}
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void
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TutorialApp::StartApplication()
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{
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m_running = true;
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m_packetsSent = 0;
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m_socket->Bind();
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m_socket->Connect(m_peer);
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SendPacket();
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}
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void
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TutorialApp::StopApplication()
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{
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m_running = false;
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if (m_sendEvent.IsPending())
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{
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Simulator::Cancel(m_sendEvent);
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}
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if (m_socket)
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{
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m_socket->Close();
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}
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}
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void
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TutorialApp::SendPacket()
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{
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Ptr<Packet> packet = Create<Packet>(m_packetSize);
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m_socket->Send(packet);
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if (++m_packetsSent < m_nPackets)
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{
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ScheduleTx();
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}
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}
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void
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TutorialApp::ScheduleTx()
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{
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if (m_running)
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{
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Time tNext(Seconds(m_packetSize * 8 / static_cast<double>(m_dataRate.GetBitRate())));
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m_sendEvent = Simulator::Schedule(tNext, &TutorialApp::SendPacket, this);
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}
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}
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