blob: bb6c329a83e2b34fa099a29454a4ecaf916228c2 [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>
*/
///< #CCN_PR_SCOPE0 (0x20) local scope,
///< #CCN_PR_SCOPE1 (0x40) this host,
///< #CCN_PR_SCOPE2 (0x80) immediate neighborhood
#include "ndn-interest-header.h"
#include "ns3/log.h"
#include "ns3/unused.h"
#include "../helper/ndn-encoding-helper.h"
#include "../helper/ndn-decoding-helper.h"
NS_LOG_COMPONENT_DEFINE ("ndn.InterestHeader");
namespace ns3 {
namespace ndn {
NS_OBJECT_ENSURE_REGISTERED (InterestHeader);
TypeId
InterestHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::ndn::InterestHeader")
.SetGroupName ("Ndn")
.SetParent<Header> ()
.AddConstructor<InterestHeader> ()
;
return tid;
}
InterestHeader::InterestHeader ()
: m_minSuffixComponents (-1)
, m_maxSuffixComponents (-1)
, m_childSelector (false)
, m_answerOriginKind (false)
, m_scope (-1)
, m_interestLifetime (Seconds (0))
, m_nonce (0)
, m_nackType (NORMAL_INTEREST)
{
}
void
InterestHeader::SetName (const Ptr<NameComponents> &name)
{
m_name = name;
}
const NameComponents&
InterestHeader::GetName () const
{
if (m_name==0) throw InterestHeaderException();
return *m_name;
}
Ptr<const NameComponents>
InterestHeader::GetNamePtr () const
{
return m_name;
}
void
InterestHeader::SetMinSuffixComponents (int32_t value)
{
m_minSuffixComponents = value;
}
int32_t
InterestHeader::GetMinSuffixComponents () const
{
return m_minSuffixComponents;
}
void
InterestHeader::SetMaxSuffixComponents (int32_t value)
{
m_maxSuffixComponents = value;
}
int32_t
InterestHeader::GetMaxSuffixComponents () const
{
return m_maxSuffixComponents;
}
void
InterestHeader::SetExclude (const Ptr<NameComponents> &exclude)
{
m_exclude = exclude;
}
bool
InterestHeader::IsEnabledExclude () const
{
return m_exclude!=0;
}
const NameComponents&
InterestHeader::GetExclude () const
{
if (m_exclude==0) throw InterestHeaderException();
return *m_exclude;
}
void
InterestHeader::SetChildSelector (bool value)
{
m_childSelector = value;
}
bool
InterestHeader::IsEnabledChildSelector () const
{
return m_childSelector;
}
void
InterestHeader::SetAnswerOriginKind (bool value)
{
m_answerOriginKind = value;
}
bool
InterestHeader::IsEnabledAnswerOriginKind () const
{
return m_answerOriginKind;
}
void
InterestHeader::SetScope (int8_t scope)
{
m_scope = scope;
}
int8_t
InterestHeader::GetScope () const
{
return m_scope;
}
void
InterestHeader::SetInterestLifetime (Time lifetime)
{
m_interestLifetime = lifetime;
}
Time
InterestHeader::GetInterestLifetime () const
{
return m_interestLifetime;
}
void
InterestHeader::SetNonce (uint32_t nonce)
{
m_nonce = nonce;
}
uint32_t
InterestHeader::GetNonce () const
{
return m_nonce;
}
void
InterestHeader::SetNack (uint32_t nackType)
{
m_nackType = nackType;
}
uint32_t
InterestHeader::GetNack () const
{
return m_nackType;
}
uint32_t
InterestHeader::GetSerializedSize (void) const
{
// unfortunately, we don't know exact header size in advance
return EncodingHelper::GetSerializedSize (*this);
}
void
InterestHeader::Serialize (Buffer::Iterator start) const
{
size_t size = EncodingHelper::Serialize (start, *this);
NS_UNUSED (size);
NS_LOG_INFO ("Serialize size = " << size);
}
uint32_t
InterestHeader::Deserialize (Buffer::Iterator start)
{
return DecodingHelper::Deserialize (start, *this); // \todo Debugging is necessary
}
TypeId
InterestHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
void
InterestHeader::Print (std::ostream &os) const
{
os << "I: " << GetName ();
return;
os << "<Interest>\n <Name>" << GetName () << "</Name>\n";
if (GetNack ()>0)
{
os << " <NACK>";
switch (GetNack ())
{
case NACK_LOOP:
os << "loop";
break;
case NACK_CONGESTION:
os << "congestion";
break;
default:
os << "unknown";
break;
}
os << "</NACK>\n";
}
if (GetMinSuffixComponents () >= 0)
os << " <MinSuffixComponents>" << GetMinSuffixComponents () << "</MinSuffixComponents>\n";
if (GetMaxSuffixComponents () >= 0)
os << " <MaxSuffixComponents>" << m_maxSuffixComponents << "</MaxSuffixComponents>\n";
if (IsEnabledExclude () && GetExclude ().size()>0)
os << " <Exclude>" << GetExclude () << "</Exclude>\n";
if (IsEnabledChildSelector ())
os << " <ChildSelector />\n";
if (IsEnabledAnswerOriginKind ())
os << " <AnswerOriginKind />\n";
if (GetScope () >= 0)
os << " <Scope>" << GetScope () << "</Scope>\n";
if ( !GetInterestLifetime ().IsZero() )
os << " <InterestLifetime>" << GetInterestLifetime () << "</InterestLifetime>\n";
if (GetNonce ()>0)
os << " <Nonce>" << GetNonce () << "</Nonce>\n";
os << "</Interest>";
}
} // namespace ndn
} // namespace ns3