mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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91 lines
2 KiB
C++
91 lines
2 KiB
C++
/** Node-type for exec node-types.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2021, 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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* VILLASnode
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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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#pragma once
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#include <villas/node.hpp>
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#include <villas/popen.hpp>
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#include <villas/format.hpp>
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namespace villas {
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namespace node {
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/* Forward declarations */
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struct Sample;
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class ExecNode : public Node {
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protected:
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std::unique_ptr<villas::utils::Popen> proc;
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std::unique_ptr<Format> formatter;
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FILE *stream_in, *stream_out;
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bool flush;
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bool shell;
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std::string working_dir;
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std::string command;
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villas::utils::Popen::arg_list arguments;
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villas::utils::Popen::env_map environment;
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virtual
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int _read(struct Sample * smps[], unsigned cnt);
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virtual
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int _write(struct Sample * smps[], unsigned cnt);
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public:
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ExecNode(const std::string &name = "") :
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Node(name),
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stream_in(nullptr),
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stream_out(nullptr),
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flush(true),
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shell(false)
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{ }
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virtual
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~ExecNode();
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virtual
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const std::string & getDetails();
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virtual
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int start();
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virtual
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int stop();
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virtual
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int prepare();
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virtual
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int parse(json_t *json, const uuid_t sn_uuid);
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virtual
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std::vector<int> getPollFDs();
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};
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} /* namespace node */
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} /* namespace villas */
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