mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-23 00:00:01 +01:00
111 lines
2.2 KiB
C++
111 lines
2.2 KiB
C++
/** Loadable / plugin support.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLAScommon
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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 3 of the License, or
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* 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <iostream>
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#include <string>
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#include <new>
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#include <type_traits>
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#include <dlfcn.h>
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#include <villas/plugin.hpp>
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using namespace villas::plugin;
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List<> * Registry::plugins;
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Plugin::Plugin(const std::string& name, const std::string& desc) :
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name(name),
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description(desc)
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{
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Registry::add(this);
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}
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Plugin::~Plugin()
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{
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Registry::remove(this);
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}
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#if 0
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int
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Plugin::parse(json_t *cfg)
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{
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const char *path;
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path = json_string_value(cfg);
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if (!path)
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return -1;
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this->path = std::string(path);
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this->state = State::PARSED;
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return 0;
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}
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int
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Plugin::load()
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{
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assert(this->state == State::PARSED);
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assert(not this->path.empty());
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this->handle = dlopen(this->path.c_str(), RTLD_NOW);
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if (this->handle == nullptr)
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return -1;
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this->state = State::LOADED;
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return 0;
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}
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int
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Plugin::unload()
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{
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int ret;
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assert(this->state == State::LOADED);
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ret = dlclose(this->handle);
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if (ret != 0)
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return -1;
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this->state = State::UNLOADED;
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return 0;
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}
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#endif
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void
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Plugin::dump()
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{
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Logger logger = Registry::getLogger();
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logger->info("Name: '{}' Description: '{}'", name, description);
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}
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const std::string & Plugin::getName() const
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{
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return name;
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}
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const std::string & Plugin::getDescription() const
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{
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return description;
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}
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