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/**
* Copyright © 2019 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "callout.hpp"
#include <phosphor-logging/log.hpp>
namespace openpower
{
namespace pels
{
namespace src
{
using namespace phosphor::logging;
Callout::Callout(Stream& pel)
{
pel >> _size >> _flags >> _priority >> _locationCodeSize;
if (_locationCodeSize)
{
_locationCode.resize(_locationCodeSize);
pel >> _locationCode;
}
size_t currentSize = 4 + _locationCodeSize;
// Read in the substructures until the end of this structure.
// Any stream overflows will throw an exception up to the SRC constructor
while (_size > currentSize)
{
// Peek the type
uint16_t type = 0;
pel >> type;
pel.offset(pel.offset() - 2);
switch (type)
{
case FRUIdentity::substructureType:
{
_fruIdentity = std::make_unique<FRUIdentity>(pel);
currentSize += _fruIdentity->flattenedSize();
break;
}
case PCEIdentity::substructureType:
{
_pceIdentity = std::make_unique<PCEIdentity>(pel);
currentSize += _pceIdentity->flattenedSize();
break;
}
case MRU::substructureType:
{
_mru = std::make_unique<MRU>(pel);
currentSize += _mru->flattenedSize();
break;
}
default:
log<level::ERR>("Invalid Callout subsection type",
entry("CALLOUT_TYPE=0x%X", type));
throw std::runtime_error("Invalid Callout subsection type");
break;
}
}
}
size_t Callout::flattenedSize()
{
size_t size = sizeof(_size) + sizeof(_flags) + sizeof(_priority) +
sizeof(_locationCodeSize) + _locationCodeSize;
size += _fruIdentity ? _fruIdentity->flattenedSize() : 0;
size += _pceIdentity ? _pceIdentity->flattenedSize() : 0;
size += _mru ? _mru->flattenedSize() : 0;
return size;
}
void Callout::flatten(Stream& pel) const
{
pel << _size << _flags << _priority << _locationCodeSize;
if (_locationCodeSize)
{
pel << _locationCode;
}
if (_fruIdentity)
{
_fruIdentity->flatten(pel);
}
if (_pceIdentity)
{
_pceIdentity->flatten(pel);
}
if (_mru)
{
_mru->flatten(pel);
}
}
} // namespace src
} // namespace pels
} // namespace openpower
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