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- /*
- Minetest
- Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- 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
- #include <string>
- #include "irr_v3d.h"
- #include "rollback_interface.h"
- #include <list>
- #include <vector>
- #include "sqlite3.h"
- class IGameDef;
- struct ActionRow;
- struct Entity;
- class RollbackManager: public IRollbackManager
- {
- public:
- RollbackManager(const std::string & world_path, IGameDef * gamedef);
- ~RollbackManager();
- void reportAction(const RollbackAction & action_);
- std::string getActor();
- bool isActorGuess();
- void setActor(const std::string & actor, bool is_guess);
- std::string getSuspect(v3s16 p, float nearness_shortcut,
- float min_nearness);
- void flush();
- void addAction(const RollbackAction & action);
- std::list<RollbackAction> getEntriesSince(time_t first_time);
- std::list<RollbackAction> getNodeActors(v3s16 pos, int range,
- time_t seconds, int limit);
- std::list<RollbackAction> getRevertActions(
- const std::string & actor_filter, time_t seconds);
- private:
- void registerNewActor(const int id, const std::string & name);
- void registerNewNode(const int id, const std::string & name);
- int getActorId(const std::string & name);
- int getNodeId(const std::string & name);
- const char * getActorName(const int id);
- const char * getNodeName(const int id);
- bool createTables();
- bool initDatabase();
- bool registerRow(const ActionRow & row);
- const std::list<ActionRow> actionRowsFromSelect(sqlite3_stmt * stmt);
- ActionRow actionRowFromRollbackAction(const RollbackAction & action);
- const std::list<RollbackAction> rollbackActionsFromActionRows(
- const std::list<ActionRow> & rows);
- const std::list<ActionRow> getRowsSince(time_t firstTime,
- const std::string & actor);
- const std::list<ActionRow> getRowsSince_range(time_t firstTime, v3s16 p,
- int range, int limit);
- const std::list<RollbackAction> getActionsSince_range(time_t firstTime, v3s16 p,
- int range, int limit);
- const std::list<RollbackAction> getActionsSince(time_t firstTime,
- const std::string & actor = "");
- void migrate(const std::string & filepath);
- static float getSuspectNearness(bool is_guess, v3s16 suspect_p,
- time_t suspect_t, v3s16 action_p, time_t action_t);
- IGameDef *gamedef = nullptr;
- std::string current_actor;
- bool current_actor_is_guess = false;
- std::list<RollbackAction> action_todisk_buffer;
- std::list<RollbackAction> action_latest_buffer;
- std::string database_path;
- sqlite3 * db;
- sqlite3_stmt * stmt_insert;
- sqlite3_stmt * stmt_replace;
- sqlite3_stmt * stmt_select;
- sqlite3_stmt * stmt_select_range;
- sqlite3_stmt * stmt_select_withActor;
- sqlite3_stmt * stmt_knownActor_select;
- sqlite3_stmt * stmt_knownActor_insert;
- sqlite3_stmt * stmt_knownNode_select;
- sqlite3_stmt * stmt_knownNode_insert;
- std::vector<Entity> knownActors;
- std::vector<Entity> knownNodes;
- };
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