| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2013-2017, Regents of the University of California. |
| * |
| * This file is part of ChronoShare, a decentralized file sharing application over NDN. |
| * |
| * ChronoShare 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. |
| * |
| * ChronoShare 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 copies of the GNU General Public License along with |
| * ChronoShare, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>. |
| * |
| * See AUTHORS.md for complete list of ChronoShare authors and contributors. |
| */ |
| |
| #ifndef CHRONOSHARE_SRC_OBJECT_MANAGER_HPP |
| #define CHRONOSHARE_SRC_OBJECT_MANAGER_HPP |
| |
| #include "core/chronoshare-common.hpp" |
| |
| #include <boost/filesystem.hpp> |
| |
| #include <ndn-cxx/face.hpp> |
| #include <ndn-cxx/security/key-chain.hpp> |
| #include <ndn-cxx/util/digest.hpp> |
| |
| // everything related to managing object files |
| |
| namespace ndn { |
| namespace chronoshare { |
| |
| class ObjectManager |
| { |
| public: |
| ObjectManager(Face& face, KeyChain& keyChain, |
| const boost::filesystem::path& folder, const std::string& appName); |
| |
| virtual |
| ~ObjectManager(); |
| |
| /** |
| * @brief Creates and saves local file in a local database file |
| * |
| * Format: /<appname>/file/<hash>/<devicename>/<segment> |
| */ |
| std::tuple<ConstBufferPtr /*object-db name*/, size_t /* number of segments*/> |
| localFileToObjects(const boost::filesystem::path& file, const Name& deviceName); |
| |
| bool |
| objectsToLocalFile(/*in*/ const Name& deviceName, /*in*/ const Buffer& hash, |
| /*out*/ const boost::filesystem::path& file); |
| |
| private: |
| Face& m_face; |
| KeyChain& m_keyChain; |
| boost::filesystem::path m_folder; |
| std::string m_appName; |
| }; |
| |
| typedef shared_ptr<ObjectManager> ObjectManagerPtr; |
| |
| namespace error { |
| struct ObjectManager : virtual boost::exception, virtual std::exception |
| { |
| }; |
| } // namespace error |
| |
| } // namespace chronoshare |
| } // namespace ndn |
| |
| #endif // CHRONOSHARE_SRC_OBJECT_MANAGER_HPP |