mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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54 lines
No EOL
1.4 KiB
C
54 lines
No EOL
1.4 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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*********************************************************************************/
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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 hook_fix_ts(struct hook *h, int when, struct hook_info *j)
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{
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struct timespec now = time_now();
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assert(j->smps);
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for (int i = 0; i < j->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 ((j->smps[i]->ts.received.tv_sec == 0 && j->smps[i]->ts.received.tv_nsec == 0) ||
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(j->smps[i]->ts.received.tv_sec == -1 && j->smps[i]->ts.received.tv_nsec == -1))
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j->smps[i]->ts.received = now;
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/* Check for missing origin timestamp */
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if ((j->smps[i]->ts.origin.tv_sec == 0 && j->smps[i]->ts.origin.tv_nsec == 0) ||
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(j->smps[i]->ts.origin.tv_sec == -1 && j->smps[i]->ts.origin.tv_nsec == -1))
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j->smps[i]->ts.origin = now;
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}
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return j->cnt;
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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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.history = 0,
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.cb = hook_fix_ts,
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.type = HOOK_AUTO | HOOK_READ
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}
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};
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REGISTER_PLUGIN(&p)
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/** @} */ |