mpd/src/input/Init.cxx
2014-12-12 13:20:37 +01:00

88 lines
2.3 KiB
C++

/*
* 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 "Log.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;
InputPlugin::InitResult result = plugin->init != nullptr
? plugin->init(*param, error)
: InputPlugin::InitResult::SUCCESS;
switch (result) {
case InputPlugin::InitResult::SUCCESS:
input_plugins_enabled[i] = true;
break;
case InputPlugin::InitResult::ERROR:
error.FormatPrefix("Failed to initialize input plugin '%s': ",
plugin->name);
return false;
case InputPlugin::InitResult::UNAVAILABLE:
if (error.IsDefined()) {
FormatError(error,
"Input plugin '%s' is unavailable",
plugin->name);
error.Clear();
}
break;
}
}
return true;
}
void input_stream_global_finish(void)
{
input_plugins_for_each_enabled(plugin)
if (plugin->finish != nullptr)
plugin->finish();
}