blob: 092bfb6d5a08253324cc175843cb0db8eb76fddc [file] [log] [blame]
/**
* 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 "user_data.hpp"
#include "json_utils.hpp"
#include "pel_types.hpp"
#include "user_data_formats.hpp"
#ifdef PELTOOL
#include "user_data_json.hpp"
#endif
#include <phosphor-logging/log.hpp>
namespace openpower
{
namespace pels
{
using namespace phosphor::logging;
void UserData::unflatten(Stream& stream)
{
stream >> _header;
if (_header.size <= SectionHeader::flattenedSize())
{
throw std::out_of_range(
"UserData::unflatten: SectionHeader::size field too small");
}
size_t dataLength = _header.size - SectionHeader::flattenedSize();
_data.resize(dataLength);
stream >> _data;
}
void UserData::flatten(Stream& stream) const
{
stream << _header << _data;
}
UserData::UserData(Stream& pel)
{
try
{
unflatten(pel);
validate();
}
catch (const std::exception& e)
{
log<level::ERR>("Cannot unflatten user data",
entry("ERROR=%s", e.what()));
_valid = false;
}
}
UserData::UserData(uint16_t componentID, uint8_t subType, uint8_t version,
const std::vector<uint8_t>& data)
{
_header.id = static_cast<uint16_t>(SectionID::userData);
_header.size = Section::flattenedSize() + data.size();
_header.version = version;
_header.subType = subType;
_header.componentID = componentID;
_data = data;
_valid = true;
}
void UserData::validate()
{
if (header().id != static_cast<uint16_t>(SectionID::userData))
{
log<level::ERR>("Invalid user data section ID",
entry("ID=0x%X", header().id));
_valid = false;
}
else
{
_valid = true;
}
}
std::optional<std::string> UserData::getJSON(uint8_t creatorID) const
{
#ifdef PELTOOL
return user_data::getJSON(_header.componentID, _header.subType,
_header.version, _data, creatorID);
#endif
return std::nullopt;
}
bool UserData::shrink(size_t newSize)
{
// minimum size is 4 bytes plus the 8B header
if ((newSize < flattenedSize()) &&
(newSize >= (Section::flattenedSize() + 4)))
{
auto dataSize = newSize - Section::flattenedSize();
// Ensure it's 4B aligned
_data.resize((dataSize / 4) * 4);
_header.size = Section::flattenedSize() + _data.size();
return true;
}
return false;
}
} // namespace pels
} // namespace openpower