2011-09-10 07:33:13 +02:00
|
|
|
/*
|
|
|
|
* 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"
|
2013-01-02 19:52:57 +01:00
|
|
|
#include "DatabaseSave.hxx"
|
2013-01-02 20:56:21 +01:00
|
|
|
#include "DatabaseLock.hxx"
|
2013-09-03 11:52:57 +02:00
|
|
|
#include "DatabaseError.hxx"
|
2013-01-02 22:52:08 +01:00
|
|
|
#include "Directory.hxx"
|
2013-01-02 19:52:57 +01:00
|
|
|
#include "DirectorySave.hxx"
|
2013-07-28 13:25:12 +02:00
|
|
|
#include "Song.hxx"
|
2013-01-03 10:12:41 +01:00
|
|
|
#include "TextFile.hxx"
|
2013-09-05 18:22:02 +02:00
|
|
|
#include "tag/Tag.hxx"
|
2013-09-05 18:34:12 +02:00
|
|
|
#include "tag/TagSettings.h"
|
2013-10-17 22:13:54 +02:00
|
|
|
#include "fs/Charset.hxx"
|
2013-08-10 18:02:44 +02:00
|
|
|
#include "util/Error.hxx"
|
2013-09-27 22:31:24 +02:00
|
|
|
#include "Log.hxx"
|
2011-09-10 07:33:13 +02:00
|
|
|
|
|
|
|
#include <glib.h>
|
|
|
|
|
|
|
|
#include <assert.h>
|
2013-10-17 22:07:59 +02:00
|
|
|
#include <string.h>
|
2011-09-10 07:33:13 +02:00
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
|
|
#define DIRECTORY_INFO_BEGIN "info_begin"
|
|
|
|
#define DIRECTORY_INFO_END "info_end"
|
|
|
|
#define DB_FORMAT_PREFIX "format: "
|
|
|
|
#define DIRECTORY_MPD_VERSION "mpd_version: "
|
|
|
|
#define DIRECTORY_FS_CHARSET "fs_charset: "
|
|
|
|
#define DB_TAG_PREFIX "tag: "
|
|
|
|
|
2013-10-20 13:46:13 +02:00
|
|
|
static constexpr unsigned DB_FORMAT = 1;
|
2011-09-10 07:33:13 +02:00
|
|
|
|
|
|
|
void
|
2013-10-19 18:48:38 +02:00
|
|
|
db_save_internal(FILE *fp, const Directory &music_root)
|
2011-09-10 07:33:13 +02:00
|
|
|
{
|
|
|
|
fprintf(fp, "%s\n", DIRECTORY_INFO_BEGIN);
|
|
|
|
fprintf(fp, DB_FORMAT_PREFIX "%u\n", DB_FORMAT);
|
|
|
|
fprintf(fp, "%s%s\n", DIRECTORY_MPD_VERSION, VERSION);
|
2013-10-17 22:47:09 +02:00
|
|
|
fprintf(fp, "%s%s\n", DIRECTORY_FS_CHARSET, GetFSCharset());
|
2011-09-10 07:33:13 +02:00
|
|
|
|
|
|
|
for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
|
|
|
|
if (!ignore_tag_items[i])
|
|
|
|
fprintf(fp, DB_TAG_PREFIX "%s\n", tag_item_names[i]);
|
|
|
|
|
|
|
|
fprintf(fp, "%s\n", DIRECTORY_INFO_END);
|
|
|
|
|
|
|
|
directory_save(fp, music_root);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
2013-10-19 18:48:38 +02:00
|
|
|
db_load_internal(TextFile &file, Directory &music_root, Error &error)
|
2011-09-10 07:33:13 +02:00
|
|
|
{
|
|
|
|
char *line;
|
2013-10-20 13:46:13 +02:00
|
|
|
unsigned format = 0;
|
2011-09-10 07:33:13 +02:00
|
|
|
bool found_charset = false, found_version = false;
|
|
|
|
bool success;
|
|
|
|
bool tags[TAG_NUM_OF_ITEM_TYPES];
|
|
|
|
|
|
|
|
/* get initial info */
|
2013-01-03 10:16:05 +01:00
|
|
|
line = file.ReadLine();
|
2013-10-19 18:19:03 +02:00
|
|
|
if (line == nullptr || strcmp(DIRECTORY_INFO_BEGIN, line) != 0) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Set(db_domain, "Database corrupted");
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
memset(tags, false, sizeof(tags));
|
|
|
|
|
2013-10-19 18:19:03 +02:00
|
|
|
while ((line = file.ReadLine()) != nullptr &&
|
2011-09-10 07:33:13 +02:00
|
|
|
strcmp(line, DIRECTORY_INFO_END) != 0) {
|
|
|
|
if (g_str_has_prefix(line, DB_FORMAT_PREFIX)) {
|
|
|
|
format = atoi(line + sizeof(DB_FORMAT_PREFIX) - 1);
|
|
|
|
} else if (g_str_has_prefix(line, DIRECTORY_MPD_VERSION)) {
|
|
|
|
if (found_version) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Set(db_domain, "Duplicate version line");
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
found_version = true;
|
|
|
|
} else if (g_str_has_prefix(line, DIRECTORY_FS_CHARSET)) {
|
2013-01-27 19:07:31 +01:00
|
|
|
const char *new_charset;
|
2011-09-10 07:33:13 +02:00
|
|
|
|
|
|
|
if (found_charset) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Set(db_domain, "Duplicate charset line");
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
found_charset = true;
|
|
|
|
|
|
|
|
new_charset = line + sizeof(DIRECTORY_FS_CHARSET) - 1;
|
2013-10-17 22:47:09 +02:00
|
|
|
const char *const old_charset = GetFSCharset();
|
|
|
|
if (*old_charset != 0
|
|
|
|
&& strcmp(new_charset, old_charset) != 0) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Format(db_domain,
|
|
|
|
"Existing database has charset "
|
|
|
|
"\"%s\" instead of \"%s\"; "
|
|
|
|
"discarding database file",
|
2013-10-17 22:47:09 +02:00
|
|
|
new_charset, old_charset);
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
} else if (g_str_has_prefix(line, DB_TAG_PREFIX)) {
|
|
|
|
const char *name = line + sizeof(DB_TAG_PREFIX) - 1;
|
2013-10-20 13:32:59 +02:00
|
|
|
TagType tag = tag_name_parse(name);
|
2011-09-10 07:33:13 +02:00
|
|
|
if (tag == TAG_NUM_OF_ITEM_TYPES) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Format(db_domain,
|
|
|
|
"Unrecognized tag '%s', "
|
|
|
|
"discarding database file",
|
|
|
|
name);
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
tags[tag] = true;
|
|
|
|
} else {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Format(db_domain, "Malformed line: %s", line);
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (format != DB_FORMAT) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Set(db_domain,
|
|
|
|
"Database format mismatch, "
|
|
|
|
"discarding database file");
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i) {
|
|
|
|
if (!ignore_tag_items[i] && !tags[i]) {
|
2013-08-10 18:02:44 +02:00
|
|
|
error.Set(db_domain,
|
|
|
|
"Tag list mismatch, "
|
|
|
|
"discarding database file");
|
2011-09-10 07:33:13 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-09-27 22:31:24 +02:00
|
|
|
LogDebug(db_domain, "reading DB");
|
2011-09-10 07:33:13 +02:00
|
|
|
|
2012-01-31 22:12:14 +01:00
|
|
|
db_lock();
|
2013-01-03 10:16:05 +01:00
|
|
|
success = directory_load(file, music_root, error);
|
2012-01-31 22:12:14 +01:00
|
|
|
db_unlock();
|
2011-09-10 07:33:13 +02:00
|
|
|
|
|
|
|
return success;
|
|
|
|
}
|