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
|
/*
* Copyright (C) 2003-2013 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" /* must be first for large file support */
#include "UpdateContainer.hxx"
#include "UpdateInternal.hxx"
#include "UpdateDatabase.hxx"
#include "DatabaseLock.hxx"
#include "directory.h"
#include "song.h"
#include "decoder_plugin.h"
#include "Mapper.hxx"
extern "C" {
#include "tag.h"
#include "tag_handler.h"
}
#include <glib.h>
/**
* Create the specified directory object if it does not exist already
* or if the #stat object indicates that it has been modified since
* the last update. Returns NULL when it exists already and is
* unmodified.
*
* The caller must lock the database.
*/
static struct directory *
make_directory_if_modified(struct directory *parent, const char *name,
const struct stat *st)
{
struct directory *directory = directory_get_child(parent, name);
// directory exists already
if (directory != NULL) {
if (directory->mtime == st->st_mtime && !walk_discard) {
/* not modified */
db_unlock();
return NULL;
}
delete_directory(directory);
modified = true;
}
directory = directory_make_child(parent, name);
directory->mtime = st->st_mtime;
return directory;
}
bool
update_container_file(struct directory *directory,
const char *name,
const struct stat *st,
const struct decoder_plugin *plugin)
{
if (plugin->container_scan == NULL)
return false;
db_lock();
struct directory *contdir =
make_directory_if_modified(directory, name, st);
if (contdir == NULL) {
/* not modified */
db_unlock();
return true;
}
contdir->device = DEVICE_CONTAINER;
db_unlock();
char *const pathname = map_directory_child_fs(directory, name);
char *vtrack;
unsigned int tnum = 0;
while ((vtrack = plugin->container_scan(pathname, ++tnum)) != NULL) {
struct song *song = song_file_new(vtrack, contdir);
// shouldn't be necessary but it's there..
song->mtime = st->st_mtime;
char *child_path_fs = map_directory_child_fs(contdir, vtrack);
song->tag = tag_new();
decoder_plugin_scan_file(plugin, child_path_fs,
&add_tag_handler, song->tag);
g_free(child_path_fs);
db_lock();
directory_add_song(contdir, song);
db_unlock();
modified = true;
g_message("added %s/%s",
directory_get_path(directory), vtrack);
g_free(vtrack);
}
g_free(pathname);
if (tnum == 1) {
db_lock();
delete_directory(contdir);
db_unlock();
return false;
} else
return true;
}
|
