36ca57a54e
Move code from CreateConfiguredDatabase() and add XDG support. This implements an automatic Linux fallback for the setting "db_file" if none was specified.
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "Configured.hxx"
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#include "DatabaseGlue.hxx"
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#include "config/ConfigGlobal.hxx"
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#include "config/ConfigData.hxx"
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#include "config/ConfigError.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "fs/StandardDirectory.hxx"
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#include "util/Error.hxx"
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#include "Log.hxx"
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Database *
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CreateConfiguredDatabase(EventLoop &loop, DatabaseListener &listener,
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Error &error)
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{
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const struct config_param *param = config_get_param(CONF_DATABASE);
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const struct config_param *path = config_get_param(CONF_DB_FILE);
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if (param != nullptr && path != nullptr) {
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error.Format(config_domain,
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"Found both 'database' (line %d) and 'db_file' (line %d) setting",
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param->line, path->line);
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return nullptr;
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}
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struct config_param *allocated = nullptr;
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if (param == nullptr && path != nullptr) {
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allocated = new config_param("database", path->line);
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allocated->AddBlockParam("path", path->value.c_str(),
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path->line);
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param = allocated;
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}
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if (param == nullptr) {
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/* if there is no override, use the cache directory */
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const AllocatedPath cache_dir = GetUserCacheDir();
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if (cache_dir.IsNull())
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return nullptr;
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const auto db_file = AllocatedPath::Build(cache_dir, "mpd.db");
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allocated = new config_param("database");
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allocated->AddBlockParam("path", db_file.c_str(), -1);
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param = allocated;
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}
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Database *db = DatabaseGlobalInit(loop, listener, *param,
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error);
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delete allocated;
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return db;
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}
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