mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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74 lines
2 KiB
C++
74 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 2014-2020, 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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* 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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/**
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* @ingroup node
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* @addtogroup exec Execute node-type as a sub-process
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* @{
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*/
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#pragma once
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#include <villas/popen.hpp>
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#include <villas/io.h>
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/* Forward declarations */
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struct vnode;
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struct sample;
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struct format_type;
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/** Node-type for signal generation.
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* @see node_type
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*/
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struct exec {
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std::unique_ptr<villas::utils::Popen> proc;
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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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struct format_type *format;
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struct io io;
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};
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/** @see node_type::print */
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char * exec_print(struct vnode *n);
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/** @see node_type::parse */
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int exec_parse(struct vnode *n, json_t *cfg);
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/** @see node_type::start */
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int exec_open(struct vnode *n);
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/** @see node_type::stop */
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int exec_close(struct vnode *n);
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/** @see node_type::read */
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int exec_read(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release);
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/** @see node_type::write */
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int exec_write(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release);
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/** @} */
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