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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 "InputInit.hxx"
#include "InputRegistry.hxx"
#include "InputPlugin.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include "ConfigGlobal.hxx"
#include "ConfigOption.hxx"
#include "ConfigData.hxx"
#include <assert.h>
#include <string.h>
extern constexpr Domain input_domain("input");
/**
* Find the "input" configuration block for the specified plugin.
*
* @param plugin_name the name of the input plugin
* @return the configuration block, or nullptr if none was configured
*/
static const struct config_param *
input_plugin_config(const char *plugin_name, Error &error)
{
const struct config_param *param = nullptr;
while ((param = config_get_next_param(CONF_INPUT, param)) != nullptr) {
const char *name = param->GetBlockValue("plugin");
if (name == nullptr) {
error.Format(input_domain,
"input configuration without 'plugin' name in line %d",
param->line);
return nullptr;
}
if (strcmp(name, plugin_name) == 0)
return param;
}
return nullptr;
}
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 =
input_plugin_config(plugin->name, error);
if (param == nullptr) {
if (error.IsDefined())
return false;
param = ∅
} 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();
}
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