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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.
*/
#include "nfd-control-response.hpp"
#include "encoding/tlv-nfd.hpp"
#include "encoding/block-helpers.hpp"
#include "util/concepts.hpp"
namespace ndn {
namespace nfd {
//BOOST_CONCEPT_ASSERT((boost::EqualityComparable<ControlResponse>));
BOOST_CONCEPT_ASSERT((WireEncodable<ControlResponse>));
BOOST_CONCEPT_ASSERT((WireDecodable<ControlResponse>));
static_assert(std::is_base_of<tlv::Error, ControlResponse::Error>::value,
"ControlResponse::Error must inherit from tlv::Error");
ControlResponse::ControlResponse()
: m_code(200)
{
}
ControlResponse::ControlResponse(uint32_t code, const std::string& text)
: m_code(code)
, m_text(text)
{
}
ControlResponse::ControlResponse(const Block& block)
{
wireDecode(block);
}
const Block&
ControlResponse::wireEncode() const
{
if (m_wire.hasWire())
return m_wire;
m_wire = Block(tlv::nfd::ControlResponse);
m_wire.push_back
(nonNegativeIntegerBlock(tlv::nfd::StatusCode, m_code));
m_wire.push_back
(dataBlock(tlv::nfd::StatusText, m_text.c_str(), m_text.size()));
if (m_body.hasWire())
{
m_wire.push_back(m_body);
}
m_wire.encode();
return m_wire;
}
void
ControlResponse::wireDecode(const Block& wire)
{
m_wire = wire;
m_wire.parse();
if (m_wire.type() != tlv::nfd::ControlResponse)
throw Error("Requested decoding of ControlResponse, but Block is of different type");
Block::element_const_iterator val = m_wire.elements_begin();
if (val == m_wire.elements_end() ||
val->type() != tlv::nfd::StatusCode)
{
throw Error("Incorrect ControlResponse format (StatusCode missing or not the first item)");
}
m_code = readNonNegativeInteger(*val);
++val;
if (val == m_wire.elements_end() ||
val->type() != tlv::nfd::StatusText)
{
throw Error("Incorrect ControlResponse format (StatusText missing or not the second item)");
}
m_text.assign(reinterpret_cast<const char*>(val->value()), val->value_size());
++val;
if (val != m_wire.elements_end())
m_body = *val;
else
m_body = Block();
}
std::ostream&
operator<<(std::ostream& os, const ControlResponse& response)
{
os << response.getCode() << " " << response.getText();
return os;
}
} // namespace nfd
} // namespace ndn