NS-3 based Named Data Networking (NDN) simulator
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cs-entry.cpp
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1
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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#include "
cs-entry.hpp
"
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namespace
nfd
{
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namespace
cs {
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void
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Entry::setData
(shared_ptr<const Data> data,
bool
isUnsolicited)
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{
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m_data = data;
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m_isUnsolicited =
isUnsolicited
;
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updateStaleTime
();
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}
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bool
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Entry::isStale
()
const
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{
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BOOST_ASSERT(this->
hasData
());
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return
m_staleTime <
time::steady_clock::now
();
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}
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void
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Entry::updateStaleTime
()
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{
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BOOST_ASSERT(this->
hasData
());
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if
(m_data->getFreshnessPeriod() >= time::milliseconds::zero()) {
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m_staleTime =
time::steady_clock::now
() + time::milliseconds(m_data->getFreshnessPeriod());
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}
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else
{
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m_staleTime = time::steady_clock::TimePoint::max();
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}
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}
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bool
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Entry::canSatisfy
(
const
Interest
& interest)
const
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{
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BOOST_ASSERT(this->
hasData
());
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if
(!interest.
matchesData
(*m_data)) {
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return
false
;
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}
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if
(interest.
getMustBeFresh
() ==
static_cast<
int
>
(
true
) && this->
isStale
()) {
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return
false
;
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}
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return
true
;
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}
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void
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Entry::reset
()
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{
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m_data.reset();
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m_isUnsolicited =
false
;
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m_staleTime =
time::steady_clock::TimePoint
();
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}
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}
// namespace cs
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}
// namespace nfd
nfd::cs::Entry::reset
void reset()
clears the entry
Definition:
cs-entry.cpp:75
ndn::time::steady_clock::TimePoint
time_point TimePoint
Definition:
time.hpp:108
nfd::cs::Entry::hasData
bool hasData() const
Definition:
cs-entry.hpp:107
nfd::cs::Entry::canSatisfy
bool canSatisfy(const Interest &interest) const
determines whether Interest can be satisified by the stored Data
Definition:
cs-entry.cpp:60
ndn::time::steady_clock::now
static time_point now() noexcept
Definition:
time.cpp:79
nfd::cs::Entry::isStale
bool isStale() const
checks if the stored Data is stale now
Definition:
cs-entry.cpp:41
nfd::cs::Entry::setData
void setData(shared_ptr< const Data > data, bool isUnsolicited)
replaces the stored Data
Definition:
cs-entry.cpp:32
ndn::Interest
represents an Interest packet
Definition:
interest.hpp:45
ndn::Interest::getMustBeFresh
int getMustBeFresh() const
Definition:
interest.hpp:412
nfd
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-common.hpp:38
cs-entry.hpp
nfd::cs::Entry::isUnsolicited
bool isUnsolicited() const
Definition:
cs-entry.hpp:73
ndn::Interest::matchesData
bool matchesData(const Data &data) const
Check if Interest can be satisfied by data.
Definition:
interest.cpp:132
nfd::cs::Entry::updateStaleTime
void updateStaleTime()
refreshes stale time relative to current time
Definition:
cs-entry.cpp:48
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table
cs-entry.cpp
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