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Diffstat (limited to 'phosphor-ldap-config/ldap_serialize.cpp')
-rw-r--r-- | phosphor-ldap-config/ldap_serialize.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/phosphor-ldap-config/ldap_serialize.cpp b/phosphor-ldap-config/ldap_serialize.cpp new file mode 100644 index 0000000..510686c --- /dev/null +++ b/phosphor-ldap-config/ldap_serialize.cpp @@ -0,0 +1,88 @@ +#include <cereal/types/string.hpp> +#include <cereal/types/vector.hpp> +#include <cereal/archives/binary.hpp> +#include <fstream> + +#include "ldap_serialize.hpp" +#include "ldap_configuration.hpp" +#include <phosphor-logging/log.hpp> +#include "config.h" + +// Register class version +// From cereal documentation; +// "This macro should be placed at global scope" +CEREAL_CLASS_VERSION(phosphor::ldap::Config, CLASS_VERSION); + +namespace phosphor +{ +namespace ldap +{ + +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] config - const reference to ldap config. + * @param[in] version - Class version that enables handling + * a serialized data across code levels + */ +template <class Archive> +void save(Archive& archive, const Config& config, const std::uint32_t version) +{ + archive(config.enabled()); +} + +/** @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] config - reference of ldap config object. + * @param[in] version - Class version that enables handling + * a serialized data across code levels + */ +template <class Archive> +void load(Archive& archive, Config& config, const std::uint32_t version) +{ + bool enabled = false; + archive(enabled); + config.enabled(enabled); +} + +fs::path serialize(const Config& config, const fs::path& path) +{ + fs::create_directories(path.parent_path()); + + std::ofstream os(path.string(), std::ios::binary); + cereal::BinaryOutputArchive oarchive(os); + oarchive(config); + return path; +} + +bool deserialize(const fs::path& path, Config& config) +{ + try + { + if (fs::exists(path)) + { + std::ifstream is(path.c_str(), std::ios::in | std::ios::binary); + cereal::BinaryInputArchive iarchive(is); + iarchive(config); + return true; + } + return false; + } + catch (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 ldap +} // namespace phosphor |