NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.0: NDN, CCN, CCNx, content centric networks
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tag-host.hpp
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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#ifndef NDN_TAG_HOST_HPP
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#define NDN_TAG_HOST_HPP
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#include "
common.hpp
"
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#include "
tag.hpp
"
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#include <map>
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namespace
ndn
{
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class
TagHost
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{
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public
:
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template
<
typename
T>
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shared_ptr<T>
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getTag
()
const
;
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template
<
typename
T>
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void
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setTag
(shared_ptr<T> tag)
const
;
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template
<
typename
T>
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void
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removeTag
()
const
;
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private
:
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mutable
std::map<size_t, shared_ptr<Tag>> m_tags;
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};
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template
<
typename
T>
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inline
shared_ptr<T>
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TagHost::getTag
()
const
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{
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static_assert(std::is_base_of<Tag, T>::value,
"T must inherit from Tag"
);
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auto
it = m_tags.find(T::getTypeId());
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if
(it == m_tags.end()) {
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return
nullptr
;
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}
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return
static_pointer_cast<T>(it->second);
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}
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template
<
typename
T>
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inline
void
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TagHost::setTag
(shared_ptr<T> tag)
const
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{
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static_assert(std::is_base_of<Tag, T>::value,
"T must inherit from Tag"
);
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if
(tag ==
nullptr
) {
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m_tags.erase(T::getTypeId());
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return
;
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}
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m_tags[T::getTypeId()] = tag;
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}
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template
<
typename
T>
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inline
void
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TagHost::removeTag
()
const
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{
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setTag<T>(
nullptr
);
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}
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}
// namespace ndn
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#endif // NDN_TAG_HOST_HPP
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-strategy-choice-helper.hpp:34
ndn::TagHost::removeTag
void removeTag() const
remove tag item
Definition:
tag-host.hpp:94
ndn::TagHost
Base class to store tag information (e.g., inside Interest and Data packets)
Definition:
tag-host.hpp:34
common.hpp
Copyright (c) 2013-2014 Regents of the University of California.
tag.hpp
ndn::TagHost::setTag
void setTag(shared_ptr< T > tag) const
set a tag item
Definition:
tag-host.hpp:80
ndn::TagHost::getTag
shared_ptr< T > getTag() const
get a tag item
Definition:
tag-host.hpp:67
ndnSIM
ndn-cxx
src
tag-host.hpp
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