1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*
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 <cstring>
#include <string>
#include "database.h"
#include "exceptions.h"
extern "C" {
#include "sqlite3.h"
}
class Database_SQLite3 : public Database
{
public:
virtual ~Database_SQLite3();
void beginSave();
void endSave();
bool initialized() const { return m_initialized; }
protected:
Database_SQLite3(const std::string &savedir, const std::string &dbname);
// Open and initialize the database if needed
void verifyDatabase();
// Convertors
inline void str_to_sqlite(sqlite3_stmt *s, int iCol, const std::string &str) const
{
sqlite3_vrfy(sqlite3_bind_text(s, iCol, str.c_str(), str.size(), NULL));
}
inline void str_to_sqlite(sqlite3_stmt *s, int iCol, const char *str) const
{
sqlite3_vrfy(sqlite3_bind_text(s, iCol, str, strlen(str), NULL));
}
inline void int_to_sqlite(sqlite3_stmt *s, int iCol, int val) const
{
sqlite3_vrfy(sqlite3_bind_int(s, iCol, val));
}
inline void int64_to_sqlite(sqlite3_stmt *s, int iCol, s64 val) const
{
sqlite3_vrfy(sqlite3_bind_int64(s, iCol, (sqlite3_int64) val));
}
inline void double_to_sqlite(sqlite3_stmt *s, int iCol, double val) const
{
sqlite3_vrfy(sqlite3_bind_double(s, iCol, val));
}
inline std::string sqlite_to_string(sqlite3_stmt *s, int iCol)
{
const char* text = reinterpret_cast<const char*>(sqlite3_column_text(s, iCol));
return std::string(text ? text : "");
}
inline s32 sqlite_to_int(sqlite3_stmt *s, int iCol)
{
return sqlite3_column_int(s, iCol);
}
inline u32 sqlite_to_uint(sqlite3_stmt *s, int iCol)
{
return (u32) sqlite3_column_int(s, iCol);
}
inline s64 sqlite_to_int64(sqlite3_stmt *s, int iCol)
{
return (s64) sqlite3_column_int64(s, iCol);
}
inline u64 sqlite_to_uint64(sqlite3_stmt *s, int iCol)
{
return (u64) sqlite3_column_int64(s, iCol);
}
inline float sqlite_to_float(sqlite3_stmt *s, int iCol)
{
return (float) sqlite3_column_double(s, iCol);
}
inline const v3f sqlite_to_v3f(sqlite3_stmt *s, int iCol)
{
return v3f(sqlite_to_float(s, iCol), sqlite_to_float(s, iCol + 1),
sqlite_to_float(s, iCol + 2));
}
// Query verifiers helpers
inline void sqlite3_vrfy(int s, const std::string &m = "", int r = SQLITE_OK) const
{
if (s != r)
throw DatabaseException(m + ": " + sqlite3_errmsg(m_database));
}
inline void sqlite3_vrfy(const int s, const int r, const std::string &m = "") const
{
sqlite3_vrfy(s, m, r);
}
// Create the database structure
virtual void createDatabase() = 0;
virtual void initStatements() = 0;
sqlite3 *m_database = nullptr;
private:
// Open the database
void openDatabase();
bool m_initialized = false;
std::string m_savedir = "";
std::string m_dbname = "";
sqlite3_stmt *m_stmt_begin = nullptr;
sqlite3_stmt *m_stmt_end = nullptr;
s64 m_busy_handler_data[2];
static int busyHandler(void *data, int count);
};
class MapDatabaseSQLite3 : private Database_SQLite3, public MapDatabase
{
public:
MapDatabaseSQLite3(const std::string &savedir);
virtual ~MapDatabaseSQLite3();
bool saveBlock(const v3s16 &pos, const std::string &data);
void loadBlock(const v3s16 &pos, std::string *block);
bool deleteBlock(const v3s16 &pos);
void listAllLoadableBlocks(std::vector<v3s16> &dst);
void beginSave() { Database_SQLite3::beginSave(); }
void endSave() { Database_SQLite3::endSave(); }
protected:
virtual void createDatabase();
virtual void initStatements();
private:
void bindPos(sqlite3_stmt *stmt, const v3s16 &pos, int index = 1);
// Map
sqlite3_stmt *m_stmt_read = nullptr;
sqlite3_stmt *m_stmt_write = nullptr;
sqlite3_stmt *m_stmt_list = nullptr;
sqlite3_stmt *m_stmt_delete = nullptr;
};
class PlayerDatabaseSQLite3 : private Database_SQLite3, public PlayerDatabase
{
public:
PlayerDatabaseSQLite3(const std::string &savedir);
virtual ~PlayerDatabaseSQLite3();
void savePlayer(RemotePlayer *player);
bool loadPlayer(RemotePlayer *player, PlayerSAO *sao);
bool removePlayer(const std::string &name);
void listPlayers(std::vector<std::string> &res);
protected:
virtual void createDatabase();
virtual void initStatements();
private:
bool playerDataExists(const std::string &name);
// Players
sqlite3_stmt *m_stmt_player_load = nullptr;
sqlite3_stmt *m_stmt_player_add = nullptr;
sqlite3_stmt *m_stmt_player_update = nullptr;
sqlite3_stmt *m_stmt_player_remove = nullptr;
sqlite3_stmt *m_stmt_player_list = nullptr;
sqlite3_stmt *m_stmt_player_load_inventory = nullptr;
sqlite3_stmt *m_stmt_player_load_inventory_items = nullptr;
sqlite3_stmt *m_stmt_player_add_inventory = nullptr;
sqlite3_stmt *m_stmt_player_add_inventory_items = nullptr;
sqlite3_stmt *m_stmt_player_remove_inventory = nullptr;
sqlite3_stmt *m_stmt_player_remove_inventory_items = nullptr;
sqlite3_stmt *m_stmt_player_metadata_load = nullptr;
sqlite3_stmt *m_stmt_player_metadata_remove = nullptr;
sqlite3_stmt *m_stmt_player_metadata_add = nullptr;
};
class AuthDatabaseSQLite3 : private Database_SQLite3, public AuthDatabase
{
public:
AuthDatabaseSQLite3(const std::string &savedir);
virtual ~AuthDatabaseSQLite3();
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();
protected:
virtual void createDatabase();
virtual void initStatements();
private:
virtual void writePrivileges(const AuthEntry &authEntry);
sqlite3_stmt *m_stmt_read = nullptr;
sqlite3_stmt *m_stmt_write = nullptr;
sqlite3_stmt *m_stmt_create = nullptr;
sqlite3_stmt *m_stmt_delete = nullptr;
sqlite3_stmt *m_stmt_list_names = nullptr;
sqlite3_stmt *m_stmt_read_privs = nullptr;
sqlite3_stmt *m_stmt_write_privs = nullptr;
sqlite3_stmt *m_stmt_delete_privs = nullptr;
sqlite3_stmt *m_stmt_last_insert_rowid = nullptr;
};
|
