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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2017 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library 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 Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "status-dataset.hpp"
#include "../../util/concepts.hpp"
namespace ndn {
namespace nfd {
StatusDataset::StatusDataset(const PartialName& datasetName)
: m_datasetName(datasetName)
{
}
StatusDataset::~StatusDataset() = default;
Name
StatusDataset::getDatasetPrefix(const Name& prefix) const
{
Name name;
name.append(prefix).append(m_datasetName);
this->addParameters(name);
return name;
}
void
StatusDataset::addParameters(Name& name) const
{
}
/**
* \brief parses elements into a vector of T
* \tparam T element type
* \param payload pointer to a buffer of zero or more blocks of decodable by T
* \return a vector of T
* \throw tlv::Error cannot parse payload
*/
template<typename T>
static std::vector<T>
parseDatasetVector(ConstBufferPtr payload)
{
BOOST_CONCEPT_ASSERT((WireDecodable<T>));
std::vector<T> result;
size_t offset = 0;
while (offset < payload->size()) {
bool isOk = false;
Block block;
std::tie(isOk, block) = Block::fromBuffer(payload, offset);
if (!isOk) {
BOOST_THROW_EXCEPTION(StatusDataset::ParseResultError("cannot decode Block"));
}
offset += block.size();
result.emplace_back(block);
}
return result;
}
ForwarderGeneralStatusDataset::ForwarderGeneralStatusDataset()
: StatusDataset("status/general")
{
}
ForwarderGeneralStatusDataset::ResultType
ForwarderGeneralStatusDataset::parseResult(ConstBufferPtr payload) const
{
return ForwarderStatus(Block(tlv::Content, payload));
}
FaceDatasetBase::FaceDatasetBase(const PartialName& datasetName)
: StatusDataset(datasetName)
{
}
FaceDatasetBase::ResultType
FaceDatasetBase::parseResult(ConstBufferPtr payload) const
{
return parseDatasetVector<FaceStatus>(payload);
}
FaceDataset::FaceDataset()
: FaceDatasetBase("faces/list")
{
}
FaceQueryDataset::FaceQueryDataset(const FaceQueryFilter& filter)
: FaceDatasetBase("faces/query")
, m_filter(filter)
{
}
void
FaceQueryDataset::addParameters(Name& name) const
{
name.append(m_filter.wireEncode());
}
ChannelDataset::ChannelDataset()
: StatusDataset("faces/channels")
{
}
ChannelDataset::ResultType
ChannelDataset::parseResult(ConstBufferPtr payload) const
{
return parseDatasetVector<ChannelStatus>(payload);
}
FibDataset::FibDataset()
: StatusDataset("fib/list")
{
}
FibDataset::ResultType
FibDataset::parseResult(ConstBufferPtr payload) const
{
return parseDatasetVector<FibEntry>(payload);
}
StrategyChoiceDataset::StrategyChoiceDataset()
: StatusDataset("strategy-choice/list")
{
}
StrategyChoiceDataset::ResultType
StrategyChoiceDataset::parseResult(ConstBufferPtr payload) const
{
return parseDatasetVector<StrategyChoice>(payload);
}
RibDataset::RibDataset()
: StatusDataset("rib/list")
{
}
RibDataset::ResultType
RibDataset::parseResult(ConstBufferPtr payload) const
{
return parseDatasetVector<RibEntry>(payload);
}
} // namespace nfd
} // namespace ndn