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- /*
- Minetest
- Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- // !!! WARNING !!!
- // This backend is intended to be used on Minetest 0.4.16 only for the transition backend
- // for player files
- #include "database.h"
- #include <unordered_map>
- #include <unordered_set>
- #include <json/json.h> // for Json::Value
- class PlayerDatabaseFiles : public PlayerDatabase
- {
- public:
- PlayerDatabaseFiles(const std::string &savedir);
- virtual ~PlayerDatabaseFiles() = default;
- void savePlayer(RemotePlayer *player);
- bool loadPlayer(RemotePlayer *player, PlayerSAO *sao);
- bool removePlayer(const std::string &name);
- void listPlayers(std::vector<std::string> &res);
- private:
- void deSerialize(RemotePlayer *p, std::istream &is, const std::string &playername,
- PlayerSAO *sao);
- /*
- serialize() writes a bunch of text that can contain
- any characters except a '\0', and such an ending that
- deSerialize stops reading exactly at the right point.
- */
- void serialize(RemotePlayer *p, std::ostream &os);
- std::string m_savedir;
- };
- class AuthDatabaseFiles : public AuthDatabase
- {
- public:
- AuthDatabaseFiles(const std::string &savedir);
- virtual ~AuthDatabaseFiles() = default;
- virtual bool getAuth(const std::string &name, AuthEntry &res);
- virtual bool saveAuth(const AuthEntry &authEntry);
- virtual bool createAuth(AuthEntry &authEntry);
- virtual bool deleteAuth(const std::string &name);
- virtual void listNames(std::vector<std::string> &res);
- virtual void reload();
- private:
- std::unordered_map<std::string, AuthEntry> m_auth_list;
- std::string m_savedir;
- bool readAuthFile();
- bool writeAuthFile();
- };
- class ModStorageDatabaseFiles : public ModStorageDatabase
- {
- public:
- ModStorageDatabaseFiles(const std::string &savedir);
- virtual ~ModStorageDatabaseFiles() = default;
- virtual void getModEntries(const std::string &modname, StringMap *storage);
- virtual void getModKeys(const std::string &modname, std::vector<std::string> *storage);
- virtual bool getModEntry(const std::string &modname,
- const std::string &key, std::string *value);
- virtual bool hasModEntry(const std::string &modname, const std::string &key);
- virtual bool setModEntry(const std::string &modname,
- const std::string &key, std::string_view value);
- virtual bool removeModEntry(const std::string &modname, const std::string &key);
- virtual bool removeModEntries(const std::string &modname);
- virtual void listMods(std::vector<std::string> *res);
- virtual void beginSave();
- virtual void endSave();
- private:
- Json::Value *getOrCreateJson(const std::string &modname);
- std::string m_storage_dir;
- std::unordered_map<std::string, Json::Value> m_mod_storage;
- std::unordered_set<std::string> m_modified;
- };
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