static /*@observer@*/ char *report_hook(struct gps_device_t *session,
struct timedrift_t *td)
/* ship the time of a PPS event to ntpd and/or chrony */
{
char *log1;
if (!session->ship_to_ntpd)
return "skipped ship_to_ntp=0";
/*
* Only listen to PPS after several consecutive fixes,
* otherwise time may be inaccurate. (We know this is
* required on some Garmins in binary mode; safest to do it
* for all case we're talking to a Garmin in text mode, and
* out of general safety-first conservatism.)
*
* Not sure yet how to handle u-blox UBX_MODE_TMONLY
*/
if (session->fixcnt <= PPS_MIN_FIXES)
return "no fix";
log1 = "accepted";
if ( 0 <= session->chronyfd ) {
log1 = "accepted chrony sock";
chrony_send(session, td);
}
(void)ntpshm_put(session, session->shmIndexPPS, td);
return log1;
}
static char *report_hook(volatile struct pps_thread_t *pps_thread,
struct timedelta_t *td)
/* ship the time of a PPS event to ntpd and/or chrony */
{
char *log1;
struct gps_device_t *session = (struct gps_device_t *)pps_thread->context;
/* PPS only source never get any serial info
* so no NTPTIME_IS or fixcnt */
if ( source_pps != session->sourcetype) {
/* FIXME! these two validations need to move back into ppsthread.c */
if ( !session->ship_to_ntpd)
return "skipped ship_to_ntp=0";
/*
* Only listen to PPS after several consecutive fixes,
* otherwise time may be inaccurate. (We know this is
* required on all Garmin and u-blox; safest to do it
* for all cases as we have no other general way to know
* if PPS is good.
*/
if (session->fixcnt <= NTP_MIN_FIXES &&
(session->gpsdata.set & GOODTIME_IS) == 0)
return "no fix";
}
/* FIXME? how to log socket AND shm reported? */
log1 = "accepted";
if ( 0 <= session->chronyfd ) {
log1 = "accepted chrony sock";
chrony_send(session, td);
}
if (session->shm_pps != NULL)
(void)ntpshm_put(session, session->shm_pps, td);
/* session context might have a hook set, too */
if (session->context->pps_hook != NULL)
session->context->pps_hook(session, td);
return log1;
}
