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
|
/*
* 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 "UpdateArchive.hxx"
#include "UpdateInternal.hxx"
#include "DatabaseLock.hxx"
#include "Directory.hxx"
#include "song.h"
#include "Mapper.hxx"
#include "fs/Path.hxx"
#include "ArchiveList.hxx"
#include "ArchivePlugin.hxx"
#include "ArchiveVisitor.hxx"
#include <glib.h>
#include <string.h>
static void
update_archive_tree(Directory *directory, const char *name)
{
const char *tmp = strchr(name, '/');
if (tmp) {
char *child_name = g_strndup(name, tmp - name);
//add dir is not there already
db_lock();
Directory *subdir =
directory->MakeChild(child_name);
subdir->device = DEVICE_INARCHIVE;
db_unlock();
g_free(child_name);
//create directories first
update_archive_tree(subdir, tmp+1);
} else {
if (strlen(name) == 0) {
g_warning("archive returned directory only");
return;
}
//add file
db_lock();
struct song *song = directory->FindSong(name);
db_unlock();
if (song == NULL) {
song = song_file_load(name, directory);
if (song != NULL) {
db_lock();
directory->AddSong(song);
db_unlock();
modified = true;
g_message("added %s/%s",
directory->GetPath(), name);
}
}
}
}
/**
* Updates the file listing from an archive file.
*
* @param parent the parent directory the archive file resides in
* @param name the UTF-8 encoded base name of the archive file
* @param st stat() information on the archive file
* @param plugin the archive plugin which fits this archive type
*/
static void
update_archive_file2(Directory *parent, const char *name,
const struct stat *st,
const struct archive_plugin *plugin)
{
db_lock();
Directory *directory = parent->FindChild(name);
db_unlock();
if (directory != NULL && directory->mtime == st->st_mtime &&
!walk_discard)
/* MPD has already scanned the archive, and it hasn't
changed since - don't consider updating it */
return;
const Path path_fs = map_directory_child_fs(parent, name);
/* open archive */
GError *error = NULL;
ArchiveFile *file = archive_file_open(plugin, path_fs.c_str(), &error);
if (file == NULL) {
g_warning("%s", error->message);
g_error_free(error);
return;
}
g_debug("archive %s opened", path_fs.c_str());
if (directory == NULL) {
g_debug("creating archive directory: %s", name);
db_lock();
directory = parent->CreateChild(name);
/* mark this directory as archive (we use device for
this) */
directory->device = DEVICE_INARCHIVE;
db_unlock();
}
directory->mtime = st->st_mtime;
class UpdateArchiveVisitor final : public ArchiveVisitor {
Directory *directory;
public:
UpdateArchiveVisitor(Directory *_directory)
:directory(_directory) {}
virtual void VisitArchiveEntry(const char *path_utf8) override {
g_debug("adding archive file: %s", path_utf8);
update_archive_tree(directory, path_utf8);
}
};
UpdateArchiveVisitor visitor(directory);
archive_file_visit(file, visitor);
archive_file_close(file);
}
bool
update_archive_file(Directory *directory,
const char *name, const char *suffix,
const struct stat *st)
{
#ifdef ENABLE_ARCHIVE
const struct archive_plugin *plugin =
archive_plugin_from_suffix(suffix);
if (plugin == NULL)
return false;
update_archive_file2(directory, name, st, plugin);
return true;
#else
(void)directory;
(void)name;
(void)suffix;
(void)st;
return false;
#endif
}
|
