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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 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: Ilya Moiseenko <iliamo@cs.ucla.edu>
*/
#include "ccnx-consumer.h"
#include "ns3/ptr.h"
#include "ns3/log.h"
#include "ns3/simulator.h"
#include "ns3/packet.h"
#include "ns3/callback.h"
#include "ns3/string.h"
#include "ns3/boolean.h"
#include "ns3/uinteger.h"
#include "ns3/ccnx.h"
#include "ns3/ccnx-local-face.h"
#include "ns3/ccnx-interest-header.h"
#include "ns3/ccnx-content-object-header.h"
#include <boost/ref.hpp>
NS_LOG_COMPONENT_DEFINE ("CcnxConsumer");
namespace ns3
{
NS_OBJECT_ENSURE_REGISTERED (CcnxConsumer);
TypeId
CcnxConsumer::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::CcnxConsumer")
.SetParent<Application> ()
.AddConstructor<CcnxConsumer> ()
.AddAttribute ("OffTime", "Time interval between packets",
StringValue ("100ms"),
MakeTimeAccessor (&CcnxConsumer::m_offTime),
MakeTimeChecker ())
.AddAttribute ("InterestName","CcnxName of the Interest (use CcnxNameComponents)",
StringValue ("/"),
MakeCcnxNameComponentsAccessor (&CcnxConsumer::m_interestName),
MakeCcnxNameComponentsChecker ())
.AddAttribute ("LifeTime", "LifeTime fo interest packet",
StringValue ("2s"),
MakeTimeAccessor (&CcnxConsumer::m_interestLifeTime),
MakeTimeChecker ())
.AddAttribute ("MinSuffixComponents", "MinSuffixComponents",
IntegerValue(-1),
MakeIntegerAccessor(&CcnxConsumer::m_minSuffixComponents),
MakeIntegerChecker<int32_t>())
.AddAttribute ("MaxSuffixComponents", "MaxSuffixComponents",
IntegerValue(-1),
MakeIntegerAccessor(&CcnxConsumer::m_maxSuffixComponents),
MakeIntegerChecker<int32_t>())
.AddAttribute ("ChildSelector", "ChildSelector",
BooleanValue(false),
MakeBooleanAccessor(&CcnxConsumer::m_childSelector),
MakeBooleanChecker())
.AddAttribute ("Exclude", "only simple name matching is supported (use CcnxNameComponents)",
CcnxNameComponentsValue (),
MakeCcnxNameComponentsAccessor (&CcnxConsumer::m_exclude),
MakeCcnxNameComponentsChecker ())
// .AddAttribute ("Initial Nonce", "If 0 then nonce is not used",
// UintegerValue(1),
// MakeUintegerAccessor(&CcnxConsumer::m_initialNonce),
// MakeUintegerChecker<uint32_t>())
// .AddTraceSource ("InterestTrace", "Interests that were sent",
// MakeTraceSourceAccessor (&CcnxConsumer::m_interestsTrace))
// .AddTraceSource ("ContentObjectTrace", "ContentObjects that were received",
// MakeTraceSourceAccessor (&CcnxConsumer::m_contentObjectsTrace))
;
return tid;
}
CcnxConsumer::CcnxConsumer ()
: m_rand (0, std::numeric_limits<uint32_t>::max ())
, m_seq (0)
{
NS_LOG_FUNCTION_NOARGS ();
}
// Application Methods
void
CcnxConsumer::StartApplication () // Called at time specified by Start
{
NS_LOG_FUNCTION_NOARGS ();
// do base stuff
CcnxApp::StartApplication ();
// schedule periodic packet generation
m_sendEvent = Simulator::Schedule (Seconds(0.0), &CcnxConsumer::SendPacket, this);
}
void
CcnxConsumer::StopApplication () // Called at time specified by Stop
{
NS_LOG_FUNCTION_NOARGS ();
// cancel periodic packet generation
Simulator::Cancel (m_sendEvent);
// cleanup base stuff
CcnxApp::StopApplication ();
}
void
CcnxConsumer::SendPacket ()
{
NS_LOG_FUNCTION_NOARGS ();
//
Ptr<CcnxNameComponents> nameWithSequence = Create<CcnxNameComponents> (m_interestName);
(*nameWithSequence) (m_seq++);
//
CcnxInterestHeader interestHeader;
interestHeader.SetNonce (m_rand.GetValue ());
interestHeader.SetName (nameWithSequence);
interestHeader.SetInterestLifetime (m_interestLifeTime);
interestHeader.SetChildSelector (m_childSelector);
interestHeader.SetExclude (Create<CcnxNameComponents> (m_exclude));
interestHeader.SetMaxSuffixComponents (m_maxSuffixComponents);
interestHeader.SetMinSuffixComponents (m_minSuffixComponents);
NS_LOG_INFO ("Requesting Interest: \n" << interestHeader);
Ptr<Packet> packet = Create<Packet> ();
packet->AddHeader (interestHeader);
m_protocolHandler (packet);
m_sendEvent = Simulator::Schedule (m_offTime, &CcnxConsumer::SendPacket, this);
}
void
CcnxConsumer::OnContentObject (const Ptr<const CcnxContentObjectHeader> &contentObject,
const Ptr<const Packet> &payload)
{
NS_LOG_FUNCTION (this << contentObject << payload);
NS_LOG_INFO ("Received content object: " << boost::cref(*contentObject));
}
} // namespace ns3