blob: 44ec2045f3dc52bdceb7e14d10d6ece2b3058871 [file] [log] [blame]
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011-2012 University of California, Los Angeles
*
* 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: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
// dumb-requester.cc
#include "dumb-requester.hpp"
#include "ns3/ptr.h"
#include "ns3/log.h"
#include "ns3/simulator.h"
#include "ns3/packet.h"
#include "ns3/random-variable.h"
#include "ns3/string.h"
#include "ns3/ndn-app-face.hpp"
NS_LOG_COMPONENT_DEFINE("DumbRequester");
namespace ns3 {
NS_OBJECT_ENSURE_REGISTERED(DumbRequester);
// register NS-3 type
TypeId
DumbRequester::GetTypeId()
{
static TypeId tid =
TypeId("DumbRequester")
.SetParent<ndn::App>()
.AddConstructor<DumbRequester>()
.AddAttribute("Prefix", "Requested name", StringValue("/dumb-interest"),
ndn::MakeNameAccessor(&DumbRequester::m_name), ndn::MakeNameChecker());
return tid;
}
DumbRequester::DumbRequester()
: m_isRunning(false)
{
}
// Processing upon start of the application
void
DumbRequester::StartApplication()
{
// initialize ndn::App
ndn::App::StartApplication();
m_isRunning = true;
Simulator::ScheduleNow(&DumbRequester::SendInterest, this);
}
// Processing when application is stopped
void
DumbRequester::StopApplication()
{
m_isRunning = false;
// cleanup ndn::App
ndn::App::StopApplication();
}
void
DumbRequester::SendInterest()
{
if (!m_isRunning)
return;
/////////////////////////////////////
// Sending one Interest packet out //
/////////////////////////////////////
// Create and configure ndn::Interest
auto interest = make_shared<ndn::Interest>(*m_name);
UniformVariable rand(0, std::numeric_limits<uint32_t>::max());
interest->setNonce(rand.GetValue());
interest->setName(*prefix);
interest->setInterestLifetime(time::seconds(1));
NS_LOG_DEBUG("Sending Interest packet for " << *prefix);
// Call trace (for logging purposes)
m_transmittedInterests(interest, this, m_face);
// Forward packet to lower (network) layer
m_face->onReceiveInterest(*interest);
Simulator::Schedule(Seconds(1.0), &DumbRequester::SendInterest, this);
}
void
DumbRequester::OnData(shared_ptr<const ndn::Data> contentObject)
{
NS_LOG_DEBUG("Receiving Data packet for " << contentObject->getName());
}
} // namespace ns3