Junxiao Shi
530cf00d68
The error description is used in the response to a strategy-choice/set management command failure. refs #3868 Change-Id: I14e0eb4dc311806a90ebfe60fa17177d2809d104
98 lines
3.8 KiB
C++
98 lines
3.8 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014-2017, 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 "table/strategy-choice.hpp"
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#include <ndn-cxx/mgmt/nfd/strategy-choice.hpp>
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#include <boost/lexical_cast.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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: NfdManagerBase(dispatcher, authenticator, "strategy-choice")
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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(404, 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
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