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
|
#include "stdafx.h"
CDbxSQLite::CDbxSQLite(sqlite3 *database)
: m_db(database),
m_safetyMode(true),
m_modules(1, strcmp)
{
}
CDbxSQLite::~CDbxSQLite()
{
UninitEvents();
UninitContacts();
UninitSettings();
if (m_db) {
sqlite3_close(m_db);
m_db = nullptr;
}
}
int CDbxSQLite::Create(const wchar_t *profile)
{
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int rc = sqlite3_open_v2(path, &database, SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE, nullptr);
if (rc != SQLITE_OK)
return 1;
rc = sqlite3_exec(database, "create table contacts (id integer not null primary key autoincrement);", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "create table events (id integer not null primary key autoincrement, contact_id integer not null, module text not null,"
"timestamp integer not null, type integer not null, flags integer not null, data blob, server_id text);", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "create index idx_events_contactid_timestamp on events(contact_id, timestamp);", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "create index idx_events_module_serverid on events(module, server_id);", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "create table events_srt (id integer not null, contact_id integer not null, timestamp integer, primary key (contact_id, timestamp, id));",
nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "create table settings (contact_id integer not null, module text not null, setting text not null, type integer not null, value any,"
"primary key(contact_id, module, setting)) without rowid;", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "create index idx_settings_module on settings(module);", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
sqlite3_close(database);
return 0;
}
int CDbxSQLite::Check(const wchar_t *profile)
{
FILE *hFile = _wfopen(profile, L"rb");
if (hFile == INVALID_HANDLE_VALUE)
return EGROKPRF_CANTREAD;
char header[16] = {};
size_t size = sizeof(header);
if (fread(header, sizeof(char), size, hFile) != size) {
fclose(hFile);
return EGROKPRF_CANTREAD;
}
fclose(hFile);
if (memcmp(header, SQLITE_HEADER_STR, mir_strlen(SQLITE_HEADER_STR)) != 0)
return EGROKPRF_UNKHEADER;
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int rc = sqlite3_open_v2(path, &database, SQLITE_OPEN_READONLY, nullptr);
if (rc != SQLITE_OK)
return EGROKPRF_DAMAGED;
sqlite3_close(database);
return EGROKPRF_NOERROR;
}
MDatabaseCommon* CDbxSQLite::Load(const wchar_t *profile, int readonly)
{
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int flags = SQLITE_OPEN_READWRITE;
if (readonly)
flags |= SQLITE_OPEN_READONLY;
int rc = sqlite3_open_v2(path, &database, flags, nullptr);
if (rc != SQLITE_OK)
return nullptr;
rc = sqlite3_exec(database, "begin transaction;", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK)
{
//TODO: handle error
}
rc = sqlite3_exec(database, "pragma locking_mode = EXCLUSIVE;", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK) {
// TODO: handle error
}
rc = sqlite3_exec(database, "pragma synchronous = NORMAL;", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK) {
// TODO: handle error
}
sqlite3_exec(database, "pragma foreign_keys = OFF;", nullptr, nullptr, nullptr);
rc = sqlite3_exec(database, "pragma journal_mode = OFF;", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK) {
// TODO: handle error
}
rc = sqlite3_exec(database, "commit;", nullptr, nullptr, nullptr);
if (rc != SQLITE_OK) {
// TODO: handle error
}
CDbxSQLite *db = new CDbxSQLite(database);
db->InitSettings();
db->InitContacts();
db->InitEvents();
return db;
}
BOOL CDbxSQLite::Compact()
{
sqlite3_exec(m_db, "pragma optimize;", nullptr, nullptr, nullptr);
sqlite3_exec(m_db, "vacuum;", nullptr, nullptr, nullptr);
return 0;
}
BOOL CDbxSQLite::Backup(LPCWSTR profile)
{
sqlite3 *database = nullptr;
ptrA path(mir_utf8encodeW(profile));
int rc = sqlite3_open_v2(path, &database, SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE, nullptr);
if (rc != SQLITE_OK)
return FALSE;
mir_cslock lock(m_csDbAccess);
sqlite3_backup *backup = sqlite3_backup_init(database, "main", m_db, "main");
if (backup) {
sqlite3_backup_step(backup, -1);
sqlite3_backup_finish(backup);
}
sqlite3_close(database);
return 0;
}
BOOL CDbxSQLite::IsRelational()
{
return TRUE;
}
void CDbxSQLite::SetCacheSafetyMode(BOOL value)
{
// hack to increase import speed
if (!value)
sqlite3_exec(m_db, "pragma synchronous = OFF;", nullptr, nullptr, nullptr);
else
sqlite3_exec(m_db, "pragma synchronous = NORMAL;", nullptr, nullptr, nullptr);
m_safetyMode = value != FALSE;
}
|
