blob: 581c6c40eca0d5d4a4481e37d3c693c6ec50d169 [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: Ilya Moiseenko <iliamo@cs.ucla.edu>
* Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
#include "ccnx-content-object-header.h"
#include "ns3/log.h"
#include "ns3/ccnx-encoding-helper.h"
#include "ns3/ccnx-decoding-helper.h"
NS_LOG_COMPONENT_DEFINE ("CcnxContentObjectHeader");
namespace ns3
{
NS_OBJECT_ENSURE_REGISTERED (CcnxContentObjectHeader);
NS_OBJECT_ENSURE_REGISTERED (CcnxContentObjectTail);
TypeId
CcnxContentObjectHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::CcnxContentObjectHeader")
.SetGroupName ("Ccnx")
.SetParent<Header> ()
.AddConstructor<CcnxContentObjectHeader> ()
;
return tid;
}
CcnxContentObjectHeader::CcnxContentObjectHeader ()
{
}
void
CcnxContentObjectHeader::SetName (const Ptr<CcnxNameComponents> &name)
{
m_name = name;
}
const CcnxNameComponents&
CcnxContentObjectHeader::GetName () const
{
return *m_name;
}
uint32_t
CcnxContentObjectHeader::GetSerializedSize (void) const
{
// Unfortunately, two serializations are required, unless we can pre-calculate header length... which is not trivial
/// \todo This is totally wrong. Need to do some simple packet buffer estimation
Buffer tmp(2048);
return CcnxEncodingHelper::Serialize (tmp.Begin(), *this);
}
void
CcnxContentObjectHeader::Serialize (Buffer::Iterator start) const
{
CcnxEncodingHelper::Serialize (start, *this);
}
uint32_t
CcnxContentObjectHeader::Deserialize (Buffer::Iterator start)
{
return CcnxDecodingHelper::Deserialize (start, *this); // \todo Debugging is necessary
}
TypeId
CcnxContentObjectHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
void
CcnxContentObjectHeader::Print (std::ostream &os) const
{
os << "<ContentObject><Name>" << *m_name << "</Name><Content>";
}
////////////////////////////////////////////////////////////////////////////////////////////////////
CcnxContentObjectTail::CcnxContentObjectTail ()
{
}
TypeId
CcnxContentObjectTail::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::CcnxContentObjectTail")
.SetParent<Header> ()
.AddConstructor<CcnxContentObjectHeader> ()
;
return tid;
}
TypeId
CcnxContentObjectTail::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
void
CcnxContentObjectTail::Print (std::ostream &os) const
{
os << "</Content></ContentObject>";
}
uint32_t
CcnxContentObjectTail::GetSerializedSize (void) const
{
return 2;
}
void
CcnxContentObjectTail::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
i.WriteU8 (0x00); // </Content>
i.WriteU8 (0x00); // </ContentObject>
}
uint32_t
CcnxContentObjectTail::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
uint8_t __attribute__ ((unused)) closing_tag_content = i.ReadU8 ();
NS_ASSERT_MSG (closing_tag_content==0, "Should be a closing tag </Content> (0x00)");
uint8_t __attribute__ ((unused)) closing_tag_content_object = i.ReadU8 ();
NS_ASSERT_MSG (closing_tag_content_object==0, "Should be a closing tag </ContentObject> (0x00)");
return 2;
}
} // namespace ns3