103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/*
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* Copyright (C) 2003-2013 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 "InputInit.hxx"
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#include "InputRegistry.hxx"
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#include "InputPlugin.hxx"
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#include "util/Error.hxx"
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#include "util/Domain.hxx"
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#include "ConfigGlobal.hxx"
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#include "ConfigOption.hxx"
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#include "ConfigData.hxx"
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#include <assert.h>
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#include <string.h>
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extern constexpr Domain input_domain("input");
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/**
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* Find the "input" configuration block for the specified plugin.
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*
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* @param plugin_name the name of the input plugin
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* @return the configuration block, or nullptr if none was configured
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*/
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static const struct config_param *
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input_plugin_config(const char *plugin_name, Error &error)
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{
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const struct config_param *param = nullptr;
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while ((param = config_get_next_param(CONF_INPUT, param)) != nullptr) {
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const char *name = param->GetBlockValue("plugin");
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if (name == nullptr) {
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error.Format(input_domain,
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"input configuration without 'plugin' name in line %d",
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param->line);
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return nullptr;
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}
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if (strcmp(name, plugin_name) == 0)
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return param;
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}
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return nullptr;
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}
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bool
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input_stream_global_init(Error &error)
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{
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const config_param empty;
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for (unsigned i = 0; input_plugins[i] != nullptr; ++i) {
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const InputPlugin *plugin = input_plugins[i];
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assert(plugin->name != nullptr);
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assert(*plugin->name != 0);
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assert(plugin->open != nullptr);
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const struct config_param *param =
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input_plugin_config(plugin->name, error);
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if (param == nullptr) {
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if (error.IsDefined())
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return false;
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param = ∅
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} else if (!param->GetBlockValue("enabled", true))
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/* the plugin is disabled in mpd.conf */
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continue;
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if (plugin->init == nullptr || plugin->init(*param, error))
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input_plugins_enabled[i] = true;
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else {
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error.FormatPrefix("Failed to initialize input plugin '%s': ",
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plugin->name);
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return false;
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}
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}
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return true;
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}
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void input_stream_global_finish(void)
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{
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input_plugins_for_each_enabled(plugin)
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if (plugin->finish != nullptr)
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plugin->finish();
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}
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