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/*
* Copyright 2003-2017 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 "Configured.hxx"
#include "DatabaseGlue.hxx"
#include "config/Data.hxx"
#include "config/Param.hxx"
#include "config/Block.hxx"
#include "fs/AllocatedPath.hxx"
#include "fs/StandardDirectory.hxx"
#include "util/RuntimeError.hxx"
Database *
CreateConfiguredDatabase(const ConfigData &config,
EventLoop &main_event_loop, EventLoop &io_event_loop,
DatabaseListener &listener)
{
const auto *param = config.GetBlock(ConfigBlockOption::DATABASE);
const auto *path = config.GetParam(ConfigOption::DB_FILE);
if (param != nullptr && path != nullptr)
throw FormatRuntimeError("Found both 'database' (line %d) and 'db_file' (line %d) setting",
param->line, path->line);
if (param != nullptr) {
param->SetUsed();
return DatabaseGlobalInit(main_event_loop, io_event_loop,
listener, *param);
} else if (path != nullptr) {
ConfigBlock block(path->line);
block.AddBlockParam("path", path->value, path->line);
return DatabaseGlobalInit(main_event_loop, io_event_loop,
listener, block);
} else {
/* if there is no override, use the cache directory */
const AllocatedPath cache_dir = GetUserCacheDir();
if (cache_dir.IsNull())
return nullptr;
const auto db_file = cache_dir / Path::FromFS(PATH_LITERAL("mpd.db"));
auto db_file_utf8 = db_file.ToUTF8();
if (db_file_utf8.empty())
return nullptr;
ConfigBlock block;
block.AddBlockParam("path", std::move(db_file_utf8), -1);
return DatabaseGlobalInit(main_event_loop, io_event_loop,
listener, block);
}
}
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