3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef DATABASE_SQLITE3_HEADER
21 #define DATABASE_SQLITE3_HEADER
26 #include "exceptions.h"
32 class Database_SQLite3 : public Database
35 virtual ~Database_SQLite3();
40 bool initialized() const { return m_initialized; }
42 Database_SQLite3(const std::string &savedir, const std::string &dbname);
44 // Open and initialize the database if needed
45 void verifyDatabase();
48 inline void str_to_sqlite(sqlite3_stmt *s, int iCol, const std::string &str) const
50 sqlite3_vrfy(sqlite3_bind_text(s, iCol, str.c_str(), str.size(), NULL));
53 inline void str_to_sqlite(sqlite3_stmt *s, int iCol, const char *str) const
55 sqlite3_vrfy(sqlite3_bind_text(s, iCol, str, strlen(str), NULL));
58 inline void int_to_sqlite(sqlite3_stmt *s, int iCol, int val) const
60 sqlite3_vrfy(sqlite3_bind_int(s, iCol, val));
63 inline void int64_to_sqlite(sqlite3_stmt *s, int iCol, s64 val) const
65 sqlite3_vrfy(sqlite3_bind_int64(s, iCol, (sqlite3_int64) val));
68 inline void double_to_sqlite(sqlite3_stmt *s, int iCol, double val) const
70 sqlite3_vrfy(sqlite3_bind_double(s, iCol, val));
73 inline std::string sqlite_to_string(sqlite3_stmt *s, int iCol)
75 const char* text = reinterpret_cast<const char*>(sqlite3_column_text(s, iCol));
76 return std::string(text ? text : "");
79 inline s32 sqlite_to_int(sqlite3_stmt *s, int iCol)
81 return sqlite3_column_int(s, iCol);
84 inline u32 sqlite_to_uint(sqlite3_stmt *s, int iCol)
86 return (u32) sqlite3_column_int(s, iCol);
89 inline float sqlite_to_float(sqlite3_stmt *s, int iCol)
91 return (float) sqlite3_column_double(s, iCol);
94 inline const v3f sqlite_to_v3f(sqlite3_stmt *s, int iCol)
96 return v3f(sqlite_to_float(s, iCol), sqlite_to_float(s, iCol + 1),
97 sqlite_to_float(s, iCol + 2));
100 // Query verifiers helpers
101 inline void sqlite3_vrfy(int s, const std::string &m = "", int r = SQLITE_OK) const
104 throw DatabaseException(m + ": " + sqlite3_errmsg(m_database));
107 inline void sqlite3_vrfy(const int s, const int r, const std::string &m = "") const
109 sqlite3_vrfy(s, m, r);
112 // Create the database structure
113 virtual void createDatabase() = 0;
114 virtual void initStatements() = 0;
123 std::string m_savedir;
124 std::string m_dbname;
126 sqlite3_stmt *m_stmt_begin;
127 sqlite3_stmt *m_stmt_end;
129 s64 m_busy_handler_data[2];
131 static int busyHandler(void *data, int count);
134 class MapDatabaseSQLite3 : private Database_SQLite3, public MapDatabase
137 MapDatabaseSQLite3(const std::string &savedir);
138 virtual ~MapDatabaseSQLite3();
140 bool saveBlock(const v3s16 &pos, const std::string &data);
141 void loadBlock(const v3s16 &pos, std::string *block);
142 bool deleteBlock(const v3s16 &pos);
143 void listAllLoadableBlocks(std::vector<v3s16> &dst);
145 void beginSave() { Database_SQLite3::beginSave(); }
146 void endSave() { Database_SQLite3::endSave(); }
148 virtual void createDatabase();
149 virtual void initStatements();
152 void bindPos(sqlite3_stmt *stmt, const v3s16 &pos, int index = 1);
155 sqlite3_stmt *m_stmt_read;
156 sqlite3_stmt *m_stmt_write;
157 sqlite3_stmt *m_stmt_list;
158 sqlite3_stmt *m_stmt_delete;
161 class PlayerDatabaseSQLite3 : private Database_SQLite3, public PlayerDatabase
164 PlayerDatabaseSQLite3(const std::string &savedir);
165 virtual ~PlayerDatabaseSQLite3();
167 void savePlayer(RemotePlayer *player);
168 bool loadPlayer(RemotePlayer *player, PlayerSAO *sao);
169 bool removePlayer(const std::string &name);
170 void listPlayers(std::vector<std::string> &res);
173 virtual void createDatabase();
174 virtual void initStatements();
177 bool playerDataExists(const std::string &name);
180 sqlite3_stmt *m_stmt_player_load;
181 sqlite3_stmt *m_stmt_player_add;
182 sqlite3_stmt *m_stmt_player_update;
183 sqlite3_stmt *m_stmt_player_remove;
184 sqlite3_stmt *m_stmt_player_list;
185 sqlite3_stmt *m_stmt_player_load_inventory;
186 sqlite3_stmt *m_stmt_player_load_inventory_items;
187 sqlite3_stmt *m_stmt_player_add_inventory;
188 sqlite3_stmt *m_stmt_player_add_inventory_items;
189 sqlite3_stmt *m_stmt_player_remove_inventory;
190 sqlite3_stmt *m_stmt_player_remove_inventory_items;
191 sqlite3_stmt *m_stmt_player_metadata_load;
192 sqlite3_stmt *m_stmt_player_metadata_remove;
193 sqlite3_stmt *m_stmt_player_metadata_add;