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#include <cereal/archives/binary.hpp>
#include <cereal/types/string.hpp>
#include <fstream>
#include <phosphor-logging/log.hpp>
#include "config.h"
#include "ldap_mapper_serialize.hpp"
// Register class version
// From cereal documentation;
// "This macro should be placed at global scope"
CEREAL_CLASS_VERSION(phosphor::user::LDAPMapperEntry, CLASS_VERSION);
namespace phosphor
{
namespace user
{
using namespace phosphor::logging;
/** @brief Function required by Cereal to perform serialization.
*
* @tparam Archive - Cereal archive type (binary in this case).
* @param[in] archive - reference to cereal archive.
* @param[in] entry- const reference to LDAP mapper entry
* @param[in] version - Class version that enables handling a serialized data
* across code levels
*/
template <class Archive>
void save(Archive& archive, const LDAPMapperEntry& entry,
const std::uint32_t version)
{
archive(entry.groupName(), entry.privilege());
}
/** @brief Function required by Cereal to perform deserialization.
*
* @tparam Archive - Cereal archive type (binary in our case).
* @param[in] archive - reference to cereal archive.
* @param[out] entry - LDAP mapper entry to be read
* @param[in] version - Class version that enables handling a serialized data
* across code levels
*/
template <class Archive>
void load(Archive& archive, LDAPMapperEntry& entry, const std::uint32_t version)
{
std::string groupName{};
std::string privilege{};
archive(groupName, privilege);
entry.sdbusplus::xyz::openbmc_project::User::server::PrivilegeMapperEntry::
groupName(groupName, true);
entry.sdbusplus::xyz::openbmc_project::User::server::PrivilegeMapperEntry::
privilege(privilege, true);
}
fs::path serialize(const LDAPMapperEntry& entry, Id id)
{
fs::path dir(LDAP_MAPPER_PERSIST_PATH);
auto path = dir / std::to_string(id);
std::ofstream os(path.c_str(), std::ios::binary);
cereal::BinaryOutputArchive oarchive(os);
oarchive(entry);
return path;
}
bool deserialize(const fs::path& path, LDAPMapperEntry& entry)
{
try
{
if (fs::exists(path))
{
std::ifstream is(path.c_str(), std::ios::in | std::ios::binary);
cereal::BinaryInputArchive iarchive(is);
iarchive(entry);
return true;
}
return false;
}
catch (cereal::Exception& e)
{
log<level::ERR>(e.what());
fs::remove(path);
return false;
}
catch (const std::length_error& e)
{
log<level::ERR>(e.what());
fs::remove(path);
return false;
}
}
} // namespace user
} // namespace phosphor
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