mpd/src/input/Init.cxx

78 lines
2.2 KiB
C++

/*
* 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 "Init.hxx"
#include "Registry.hxx"
#include "InputPlugin.hxx"
#include "config/ConfigGlobal.hxx"
#include "config/ConfigOption.hxx"
#include "config/Block.hxx"
#include "Log.hxx"
#include "PluginUnavailable.hxx"
#include "util/RuntimeError.hxx"
#include <stdexcept>
#include <assert.h>
void
input_stream_global_init(EventLoop &event_loop)
{
const ConfigBlock 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 auto *block =
config_find_block(ConfigBlockOption::INPUT, "plugin",
plugin->name);
if (block == nullptr) {
block = &empty;
} else if (!block->GetBlockValue("enabled", true))
/* the plugin is disabled in mpd.conf */
continue;
try {
if (plugin->init != nullptr)
plugin->init(event_loop, *block);
input_plugins_enabled[i] = true;
} catch (const PluginUnavailable &e) {
FormatError(e,
"Input plugin '%s' is unavailable",
plugin->name);
continue;
} catch (...) {
std::throw_with_nested(FormatRuntimeError("Failed to initialize input plugin '%s'",
plugin->name));
}
}
}
void input_stream_global_finish(void)
{
input_plugins_for_each_enabled(plugin)
if (plugin->finish != nullptr)
plugin->finish();
}