NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
strategy-choice-manager.cpp
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2019, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "
strategy-choice-manager.hpp
"
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#include "
common/logger.hpp
"
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#include "
table/strategy-choice.hpp
"
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#include <
ndn-cxx/mgmt/nfd/strategy-choice.hpp
>
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namespace
nfd
{
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NFD_LOG_INIT
(
StrategyChoiceManager
);
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StrategyChoiceManager::StrategyChoiceManager
(
StrategyChoice
& strategyChoice,
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Dispatcher
& dispatcher,
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CommandAuthenticator
& authenticator)
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:
ManagerBase
(
"strategy-choice"
, dispatcher, authenticator)
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, m_table(strategyChoice)
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{
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registerCommandHandler<ndn::nfd::StrategyChoiceSetCommand>(
"set"
,
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bind(&StrategyChoiceManager::setStrategy,
this
, _4, _5));
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registerCommandHandler<ndn::nfd::StrategyChoiceUnsetCommand>(
"unset"
,
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bind(&StrategyChoiceManager::unsetStrategy,
this
, _4, _5));
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registerStatusDatasetHandler
(
"list"
,
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bind(&StrategyChoiceManager::listChoices,
this
, _3));
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}
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void
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StrategyChoiceManager::setStrategy(
ControlParameters
parameters,
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const
ndn::mgmt::CommandContinuation
& done)
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{
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const
Name
& prefix = parameters.
getName
();
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const
Name
& strategy = parameters.
getStrategy
();
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StrategyChoice::InsertResult
res = m_table.
insert
(prefix, strategy);
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if
(!res) {
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NFD_LOG_DEBUG
(
"strategy-choice/set("
<< prefix <<
","
<< strategy <<
"): cannot-create "
<< res);
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return
done(
ControlResponse
(res.
getStatusCode
(), boost::lexical_cast<std::string>(res)));
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}
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NFD_LOG_DEBUG
(
"strategy-choice/set("
<< prefix <<
","
<< strategy <<
"): OK"
);
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bool
hasEntry =
false
;
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Name
instanceName;
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std::tie(hasEntry, instanceName) = m_table.
get
(prefix);
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BOOST_ASSERT_MSG(hasEntry,
"StrategyChoice entry must exist after StrategyChoice::insert"
);
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parameters.
setStrategy
(instanceName);
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return
done(
ControlResponse
(200,
"OK"
).setBody(parameters.
wireEncode
()));
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}
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void
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StrategyChoiceManager::unsetStrategy(
ControlParameters
parameters,
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const
ndn::mgmt::CommandContinuation
& done)
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{
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const
Name
& prefix = parameters.getName();
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// no need to test for ndn:/ , parameter validation takes care of that
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m_table.
erase
(parameters.getName());
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NFD_LOG_DEBUG
(
"strategy-choice/unset("
<< prefix <<
"): OK"
);
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done(
ControlResponse
(200,
"OK"
).setBody(parameters.wireEncode()));
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}
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void
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StrategyChoiceManager::listChoices(
ndn::mgmt::StatusDatasetContext
& context)
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{
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for
(
const
auto
& i : m_table) {
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ndn::nfd::StrategyChoice
entry;
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entry.
setName
(i.getPrefix())
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.
setStrategy
(i.getStrategyInstanceName());
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context.
append
(entry.
wireEncode
());
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}
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context.
end
();
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}
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}
// namespace nfd
ndn::nfd::StrategyChoice::setStrategy
StrategyChoice & setStrategy(const Name &strategy)
Definition:
strategy-choice.cpp:115
strategy-choice-manager.hpp
ndn::mgmt::StatusDatasetContext::append
void append(const Block &block)
append a Block to the response
Definition:
status-dataset-context.cpp:69
ndn::nfd::StrategyChoice::wireEncode
size_t wireEncode(EncodingImpl< TAG > &encoder) const
Definition:
strategy-choice.cpp:42
nfd::strategy_choice::StrategyChoice::InsertResult
Definition:
strategy-choice.hpp:72
ndn::mgmt::CommandContinuation
std::function< void(const ControlResponse &resp)> CommandContinuation
a function to be called after ControlCommandHandler completes
Definition:
dispatcher.hpp:95
nfd::StrategyChoiceManager
Implements the Strategy Choice Management of NFD Management Protocol.
Definition:
strategy-choice-manager.hpp:42
ndn::nfd::ControlResponse
mgmt::ControlResponse ControlResponse
Definition:
control-response.hpp:30
nfd::ManagerBase::registerStatusDatasetHandler
void registerStatusDatasetHandler(const std::string &verb, const ndn::mgmt::StatusDatasetHandler &handler)
Definition:
manager-base.cpp:47
ndn::nfd::StrategyChoice::setName
StrategyChoice & setName(const Name &name)
Definition:
strategy-choice.cpp:107
ndn::Name
Represents an absolute name.
Definition:
name.hpp:44
ns3::ndn::Name
Name
Definition:
ndn-common.cpp:25
nfd
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-common.hpp:40
strategy-choice.hpp
ndn::mgmt::StatusDatasetContext
provides a context for generating response to a StatusDataset request
Definition:
status-dataset-context.hpp:37
nfd::StrategyChoiceManager::StrategyChoiceManager
StrategyChoiceManager(strategy_choice::StrategyChoice &table, Dispatcher &dispatcher, CommandAuthenticator &authenticator)
Definition:
strategy-choice-manager.cpp:37
ndn::tlv::nfd::ControlParameters
@ ControlParameters
Definition:
tlv-nfd.hpp:35
ndn::nfd::ControlParameters::setStrategy
ControlParameters & setStrategy(const Name &strategy)
Definition:
control-parameters.hpp:420
ndn::nfd::ControlParameters::wireEncode
size_t wireEncode(EncodingImpl< TAG > &encoder) const
Definition:
control-parameters.cpp:50
nfd::strategy_choice::StrategyChoice::erase
void erase(const Name &prefix)
Make prefix to inherit strategy from its parent.
Definition:
strategy-choice.cpp:141
NFD_LOG_DEBUG
#define NFD_LOG_DEBUG
Definition:
logger.hpp:38
ndn::nfd::StrategyChoice
represents an item in NFD StrategyChoice dataset
Definition:
strategy-choice.hpp:37
nfd::ManagerBase
A collection of common functions shared by all NFD managers, such as communicating with the dispatche...
Definition:
manager-base.hpp:48
ndn::nfd::ControlParameters
represents parameters in a ControlCommand request or response
Definition:
control-parameters.hpp:82
nfd::strategy_choice::StrategyChoice::InsertResult::getStatusCode
int getStatusCode() const
Get a status code for use in management command response.
Definition:
strategy-choice.hpp:89
ndn::nfd::ControlParameters::getName
const Name & getName() const
Definition:
control-parameters.hpp:113
ndn::mgmt::Dispatcher
represents a dispatcher on server side of NFD Management protocol
Definition:
dispatcher.hpp:131
ndn::mgmt::StatusDatasetContext::end
void end()
end the response successfully after appending zero or more blocks
Definition:
status-dataset-context.cpp:95
nfd::strategy_choice::StrategyChoice
Represents the Strategy Choice table.
Definition:
strategy-choice.hpp:52
strategy-choice.hpp
nfd::strategy_choice::StrategyChoice::get
std::pair< bool, Name > get(const Name &prefix) const
Get strategy Name of prefix.
Definition:
strategy-choice.cpp:166
nfd::CommandAuthenticator
Provides ControlCommand authorization according to NFD configuration file.
Definition:
command-authenticator.hpp:46
nfd::strategy_choice::StrategyChoice::insert
InsertResult insert(const Name &prefix, const Name &strategyName)
Set strategy of prefix to be strategyName.
Definition:
strategy-choice.cpp:71
NFD_LOG_INIT
#define NFD_LOG_INIT(name)
Definition:
logger.hpp:31
logger.hpp
ndn::nfd::ControlParameters::getStrategy
const Name & getStrategy() const
Definition:
control-parameters.hpp:413
ndnSIM
NFD
daemon
mgmt
strategy-choice-manager.cpp
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