blob: e47d35bbce00559422dd0919e55fff6a5efb03be [file] [log] [blame]
/* -*- 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: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
* Ilya Moiseenko <iliamo@cs.ucla.edu>
*
*/
#include "ccnx-app-face.h"
#include "ns3/log.h"
#include "ns3/packet.h"
#include "ns3/node.h"
#include "ns3/assert.h"
#include "ns3/simulator.h"
#include "ns3/ccnx-header-helper.h"
#include "ns3/ccnx-app.h"
#include "ccnx-interest-header.h"
#include "ccnx-content-object-header.h"
NS_LOG_COMPONENT_DEFINE ("CcnxAppFace");
namespace ns3
{
TypeId
CcnxAppFace::GetTypeId ()
{
static TypeId tid = TypeId ("ns3::CcnxAppFace")
.SetParent<CcnxFace> ()
.SetGroupName ("Ccnx")
;
return tid;
}
CcnxAppFace::CcnxAppFace (Ptr<CcnxApp> app)
: CcnxFace (app->GetNode ())
, m_app (app)
{
NS_LOG_FUNCTION (this << app);
NS_ASSERT (m_app != 0);
}
CcnxAppFace::~CcnxAppFace ()
{
NS_LOG_FUNCTION_NOARGS ();
}
CcnxAppFace::CcnxAppFace ()
: CcnxFace (0)
{
}
CcnxAppFace::CcnxAppFace (const CcnxAppFace &)
: CcnxFace (0)
{
}
CcnxAppFace& CcnxAppFace::operator= (const CcnxAppFace &)
{
return *((CcnxAppFace*)0);
}
void
CcnxAppFace::RegisterProtocolHandler (ProtocolHandler handler)
{
NS_LOG_FUNCTION (this);
CcnxFace::RegisterProtocolHandler (handler);
m_app->RegisterProtocolHandler (MakeCallback (&CcnxFace::Receive, this));
}
void
CcnxAppFace::SendImpl (Ptr<Packet> p)
{
NS_LOG_FUNCTION (this << p);
try
{
CcnxHeaderHelper::Type type = CcnxHeaderHelper::GetCcnxHeaderType (p);
switch (type)
{
case CcnxHeaderHelper::INTEREST:
{
Ptr<CcnxInterestHeader> header = Create<CcnxInterestHeader> ();
p->RemoveHeader (*header);
if (header->GetNack () > 0)
m_app->OnNack (header, p);
else
m_app->OnInterest (header, p);
break;
}
case CcnxHeaderHelper::CONTENT_OBJECT:
{
static CcnxContentObjectTail tail;
Ptr<CcnxContentObjectHeader> header = Create<CcnxContentObjectHeader> ();
p->RemoveHeader (*header);
p->RemoveTrailer (tail);
m_app->OnContentObject (header, p/*payload*/);
break;
}
}
}
catch (CcnxUnknownHeaderException)
{
NS_LOG_ERROR ("Unknown header type");
}
}
std::ostream& CcnxAppFace::Print (std::ostream& os) const
{
os << "dev=local(" << GetId() << ")";
return os;
}
}; // namespace ns3