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path: root/src/input/Init.cxx
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/*
 * Copyright (C) 2003-2014 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 "Init.hxx"
#include "Registry.hxx"
#include "InputPlugin.hxx"
#include "util/Error.hxx"
#include "config/ConfigGlobal.hxx"
#include "config/ConfigOption.hxx"
#include "config/ConfigData.hxx"

#include <assert.h>
#include <string.h>

bool
input_stream_global_init(Error &error)
{
	const config_param empty;

	for (unsigned i = 0; input_plugins[i] != nullptr; ++i) {
		const InputPlugin *plugin = input_plugins[i];

		assert(plugin->name != nullptr);
		assert(*plugin->name != 0);
		assert(plugin->open != nullptr);

		const struct config_param *param =
			config_find_block(CONF_INPUT, "plugin", plugin->name);
		if (param == nullptr) {
			param = &empty;
		} else if (!param->GetBlockValue("enabled", true))
			/* the plugin is disabled in mpd.conf */
			continue;

		if (plugin->init == nullptr || plugin->init(*param, error))
			input_plugins_enabled[i] = true;
		else {
			error.FormatPrefix("Failed to initialize input plugin '%s': ",
					   plugin->name);
			return false;
		}
	}

	return true;
}

void input_stream_global_finish(void)
{
	input_plugins_for_each_enabled(plugin)
		if (plugin->finish != nullptr)
			plugin->finish();
}