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/**
* Copyright © 2020 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 "extended_user_data.hpp"
#include "pel_types.hpp"
#ifdef PELTOOL
#include "user_data_json.hpp"
#endif
#include "trace.hpp"
#include <fmt/format.h>
namespace openpower::pels
{
void ExtendedUserData::unflatten(Stream& stream)
{
stream >> _header;
if (_header.size <= SectionHeader::flattenedSize() + 4)
{
throw std::out_of_range(
fmt::format("ExtendedUserData::unflatten: SectionHeader::size {} "
"too small",
_header.size));
}
size_t dataLength = _header.size - 4 - SectionHeader::flattenedSize();
_data.resize(dataLength);
stream >> _creatorID >> _reserved1B >> _reserved2B >> _data;
}
void ExtendedUserData::flatten(Stream& stream) const
{
stream << _header << _creatorID << _reserved1B << _reserved2B << _data;
}
ExtendedUserData::ExtendedUserData(Stream& pel)
{
try
{
unflatten(pel);
validate();
}
catch (const std::exception& e)
{
trace::error(
fmt::format("Cannot unflatten ExtendedUserData: {}", e.what()));
_valid = false;
}
}
ExtendedUserData::ExtendedUserData(uint16_t componentID, uint8_t subType,
uint8_t version, uint8_t creatorID,
const std::vector<uint8_t>& data)
{
_header.id = static_cast<uint16_t>(SectionID::extUserData);
_header.version = version;
_header.subType = subType;
_header.componentID = componentID;
_creatorID = creatorID;
_reserved1B = 0;
_reserved2B = 0;
_data = data;
_header.size = flattenedSize();
_valid = true;
}
void ExtendedUserData::validate()
{
if (header().id != static_cast<uint16_t>(SectionID::extUserData))
{
trace::error(
fmt::format("Invalid ExtendedUserData section ID {}", header().id));
_valid = false;
}
else
{
_valid = true;
}
}
std::optional<std::string>
ExtendedUserData::getJSON(uint8_t /*creatorID*/,
const std::vector<std::string>& plugins
[[maybe_unused]]) const
{
// Use the creator ID value from the section.
#ifdef PELTOOL
return user_data::getJSON(_header.componentID, _header.subType,
_header.version, _data, _creatorID, plugins);
#endif
return std::nullopt;
}
bool ExtendedUserData::shrink(size_t newSize)
{
// minimum size is 8B header + 4B of fields + 4B of data
if ((newSize < flattenedSize()) &&
(newSize >= (Section::flattenedSize() + 8)))
{
auto dataSize = newSize - Section::flattenedSize() - 4;
// Ensure it's 4B aligned
_data.resize((dataSize / 4) * 4);
_header.size = flattenedSize();
return true;
}
return false;
}
} // namespace openpower::pels