mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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69 lines
No EOL
2 KiB
C
69 lines
No EOL
2 KiB
C
/** Fix timestamp hook.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, 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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/** @addtogroup hooks Hook functions
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* @{
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*/
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#include "hook.h"
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#include "plugin.h"
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#include "timing.h"
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int fix_ts_read(struct hook *h, struct sample *smps[], size_t *cnt)
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{
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struct timespec now;
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now = time_now();
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for (int i = 0; i < *cnt; i++) {
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/* Check for missing receive timestamp
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* Usually node_type::read() should update the receive timestamp.
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* An example would be to use hardware timestamp capabilities of
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* modern NICs.
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*/
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if ((smps[i]->ts.received.tv_sec == 0 && smps[i]->ts.received.tv_nsec == 0) ||
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(smps[i]->ts.received.tv_sec == -1 && smps[i]->ts.received.tv_nsec == -1))
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smps[i]->ts.received = now;
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/* Check for missing origin timestamp */
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if ((smps[i]->ts.origin.tv_sec == 0 && smps[i]->ts.origin.tv_nsec == 0) ||
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(smps[i]->ts.origin.tv_sec == -1 && smps[i]->ts.origin.tv_nsec == -1))
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smps[i]->ts.origin = now;
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}
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return 0;
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}
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static struct plugin p = {
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.name = "fix_ts",
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.description = "Update timestamps of sample if not set",
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.type = PLUGIN_TYPE_HOOK,
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.hook = {
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.priority = 0,
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.builtin = true,
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.read = fix_ts_read,
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}
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};
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REGISTER_PLUGIN(&p)
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/** @} */ |