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
|
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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.
*/
#include "config.h"
#include "DatabaseGlue.hxx"
#include "DatabaseSimple.hxx"
#include "DatabaseRegistry.hxx"
#include "DatabaseSave.hxx"
#include "DatabaseError.hxx"
#include "Directory.hxx"
#include "util/Error.hxx"
#include "conf.h"
extern "C" {
#include "stats.h"
}
#include "DatabasePlugin.hxx"
#include "db/SimpleDatabasePlugin.hxx"
#include <glib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "database"
static Database *db;
static bool db_is_open;
static bool is_simple;
bool
DatabaseGlobalInit(const config_param ¶m, Error &error)
{
assert(db == NULL);
assert(!db_is_open);
const char *plugin_name =
param.GetBlockValue("plugin", "simple");
is_simple = strcmp(plugin_name, "simple") == 0;
const DatabasePlugin *plugin = GetDatabasePluginByName(plugin_name);
if (plugin == NULL) {
error.Format(db_domain,
"No such database plugin: %s", plugin_name);
return false;
}
db = plugin->create(param, error);
return db != NULL;
}
void
DatabaseGlobalDeinit(void)
{
if (db_is_open)
db->Close();
if (db != NULL)
delete db;
}
const Database *
GetDatabase()
{
assert(db == NULL || db_is_open);
return db;
}
const Database *
GetDatabase(Error &error)
{
assert(db == nullptr || db_is_open);
if (db == nullptr)
error.Set(db_domain, DB_DISABLED, "No database");
return db;
}
bool
db_is_simple(void)
{
assert(db == NULL || db_is_open);
return is_simple;
}
Directory *
db_get_root(void)
{
assert(db != NULL);
assert(db_is_simple());
return ((SimpleDatabase *)db)->GetRoot();
}
Directory *
db_get_directory(const char *name)
{
if (db == NULL)
return NULL;
Directory *music_root = db_get_root();
if (name == NULL)
return music_root;
return music_root->LookupDirectory(name);
}
bool
db_save(Error &error)
{
assert(db != NULL);
assert(db_is_open);
assert(db_is_simple());
return ((SimpleDatabase *)db)->Save(error);
}
bool
DatabaseGlobalOpen(Error &error)
{
assert(db != NULL);
assert(!db_is_open);
if (!db->Open(error))
return false;
db_is_open = true;
stats_update();
return true;
}
time_t
db_get_mtime(void)
{
assert(db != NULL);
assert(db_is_open);
assert(db_is_simple());
return ((SimpleDatabase *)db)->GetLastModified();
}
|
