/************************************************************************ * EOS - the CERN Disk Storage System * * Copyright (C) 2016 CERN/Switzerland * * * * This program is free software: you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation, either version 3 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see <http://www.gnu.org/licenses/>.* ************************************************************************/ //------------------------------------------------------------------------------ //! @author Georgios Bitzes <georgios.bitzes@cern.ch> //! @brief Class to serialize metadata to/from protobufs. //------------------------------------------------------------------------------ #pragma once #include "namespace/Namespace.hh" #include "namespace/MDException.hh" #include "namespace/utils/Buffer.hh" namespace eos { namespace ns { class ContainerMdProto; class FileMdProto; } } EOSNSNAMESPACE_BEGIN class Buffer; class Serialization { public: //---------------------------------------------------------------------------- //! Deserialize a FileMD protobuf //---------------------------------------------------------------------------- static void deserializeFile(const Buffer& buffer, eos::ns::FileMdProto& proto); static MDStatus deserializeNoThrow(const Buffer& buffer, eos::ns::FileMdProto& proto); //---------------------------------------------------------------------------- //! Deserialize a ContainerMD protobuf //---------------------------------------------------------------------------- static void deserializeContainer(const Buffer& buffer, eos::ns::ContainerMdProto& proto); static MDStatus deserializeNoThrow(const Buffer& buffer, eos::ns::ContainerMdProto& proto); //---------------------------------------------------------------------------- //! Deserialize an int64_t //---------------------------------------------------------------------------- static MDStatus deserializeNoThrow(const Buffer& buffer, int64_t& val); //---------------------------------------------------------------------------- //! Deserialize any supported type. //---------------------------------------------------------------------------- template<typename T> static MDStatus deserialize(const char* str, size_t len, T& output) { eos::Buffer ebuff; ebuff.putData(str, len); // Dispatch to appropriate overload return Serialization::deserializeNoThrow(ebuff, output); } }; EOSNSNAMESPACE_END