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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 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.
*/
#ifndef NDN_MANAGEMENT_NFD_CHANNEL_STATUS_HPP
#define NDN_MANAGEMENT_NFD_CHANNEL_STATUS_HPP
#include "../encoding/tlv-nfd.hpp"
#include "../encoding/encoding-buffer.hpp"
#include "../encoding/block-helpers.hpp"
#include "../util/time.hpp"
namespace ndn {
namespace nfd {
/**
* @ingroup management
* @brief represents NFD Channel Status dataset
* @sa http://redmine.named-data.net/projects/nfd/wiki/FaceMgmt#Channel-Dataset
*/
class ChannelStatus
{
public:
class Error : public tlv::Error
{
public:
explicit
Error(const std::string& what)
: tlv::Error(what)
{
}
};
ChannelStatus()
{
}
explicit
ChannelStatus(const Block& payload)
{
this->wireDecode(payload);
}
template<bool T>
size_t
wireEncode(EncodingImpl<T>& encoder) const;
const Block&
wireEncode() const;
void
wireDecode(const Block& wire);
public: // getters & setters
const std::string&
getLocalUri() const
{
return m_localUri;
}
ChannelStatus&
setLocalUri(const std::string localUri)
{
m_wire.reset();
m_localUri = localUri;
return *this;
}
private:
std::string m_localUri;
mutable Block m_wire;
};
template<bool T>
inline size_t
ChannelStatus::wireEncode(EncodingImpl<T>& encoder) const
{
size_t totalLength = 0;
totalLength += prependByteArrayBlock(encoder, tlv::nfd::LocalUri,
reinterpret_cast<const uint8_t*>(m_localUri.c_str()), m_localUri.size());
totalLength += encoder.prependVarNumber(totalLength);
totalLength += encoder.prependVarNumber(tlv::nfd::ChannelStatus);
return totalLength;
}
inline const Block&
ChannelStatus::wireEncode() const
{
if (m_wire.hasWire())
return m_wire;
EncodingEstimator estimator;
size_t estimatedSize = wireEncode(estimator);
EncodingBuffer buffer(estimatedSize, 0);
wireEncode(buffer);
m_wire = buffer.block();
return m_wire;
}
inline void
ChannelStatus::wireDecode(const Block& block)
{
if (block.type() != tlv::nfd::ChannelStatus) {
throw Error("expecting ChannelStatus block");
}
m_wire = block;
m_wire.parse();
Block::element_const_iterator val = m_wire.elements_begin();
if (val != m_wire.elements_end() && val->type() == tlv::nfd::LocalUri) {
m_localUri.assign(reinterpret_cast<const char*>(val->value()), val->value_size());
++val;
}
else {
throw Error("missing required LocalUri field");
}
}
} // namespace nfd
} // namespace ndn
#endif // NDN_MANAGEMENT_NFD_CHANNEL_STATUS_HPP