blob: 6f4e4bf541deb2fc7cfd9f1d6ed268aa227e3b13 [file] [log] [blame]
#include "config.h"
#include "snmp_serialize.hpp"
#include "snmp_client.hpp"
#include <cereal/archives/binary.hpp>
#include <cereal/types/string.hpp>
#include <cereal/types/vector.hpp>
#include <phosphor-logging/log.hpp>
#include <fstream>
// Register class version
// From cereal documentation;
// "This macro should be placed at global scope"
CEREAL_CLASS_VERSION(phosphor::network::snmp::Client, CLASS_VERSION);
namespace phosphor
{
namespace network
{
namespace snmp
{
using namespace phosphor::logging;
/** @brief Function required by Cereal to perform serialization.
* @tparam Archive - Cereal archive type (binary in our case).
* @param[in] archive - reference to Cereal archive.
* @param[in] manager - const reference to snmp manager info.
* @param[in] version - Class version that enables handling
* a serialized data across code levels
*/
template <class Archive>
void save(Archive& archive, const Client& manager,
const std::uint32_t /*version*/)
{
archive(manager.address(), manager.port());
}
/** @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[in] manager - reference to snmp manager info.
* @param[in] version - Class version that enables handling
* a serialized data across code levels
*/
template <class Archive>
void load(Archive& archive, Client& manager, const std::uint32_t /*version*/)
{
std::string ipaddress{};
uint16_t port{};
archive(ipaddress, port);
manager.address(ipaddress);
manager.port(port);
}
fs::path serialize(Id id, const Client& manager, const fs::path& dir)
{
fs::path fileName = dir;
fs::create_directories(dir);
fileName /= std::to_string(id);
std::ofstream os(fileName.string(), std::ios::binary);
cereal::BinaryOutputArchive oarchive(os);
oarchive(manager);
return fileName;
}
bool deserialize(const fs::path& path, Client& manager)
{
try
{
if (fs::exists(path))
{
std::ifstream is(path.c_str(), std::ios::in | std::ios::binary);
cereal::BinaryInputArchive iarchive(is);
iarchive(manager);
return true;
}
return false;
}
catch (const cereal::Exception& e)
{
log<level::ERR>(e.what());
std::error_code ec;
fs::remove(path, ec);
return false;
}
catch (const fs::filesystem_error& e)
{
return false;
}
}
} // namespace snmp
} // namespace network
} // namespace phosphor