/*
* shm_clockstats - dump and reset counters
*/
static void shm_clockstats(
int unit,
struct peer *peer
)
{
struct refclockproc * const pp = peer->procptr;
struct shmunit * const up = pp->unitptr;
UNUSED_ARG(unit);
if (pp->sloppyclockflag & CLK_FLAG4) {
mprintf_clock_stats(
&peer->srcadr, "%3d %3d %3d %3d %3d",
up->ticks, up->good, up->notready,
up->bad, up->clash);
}
up->ticks = up->good = up->notready = up->bad = up->clash = 0;
}
/*
* atom_timer - called once per second
*/
void
atom_timer(
int unit, /* unit pointer (not used) */
struct peer *peer /* peer structure pointer */
)
{
struct ppsunit *up;
struct refclockproc *pp;
pps_status rc;
UNUSED_ARG(unit);
pp = peer->procptr;
up = pp->unitptr;
rc = refclock_pps(peer, &up->atom, pp->sloppyclockflag);
switch (rc) {
case PPS_OK:
up->pcount++;
break;
default:
case PPS_SETUP:
up->scount++;
break;
case PPS_KERNEL:
up->kcount++;
break;
case PPS_NREADY:
up->rcount++;
break;
}
if (rc != PPS_OK) return;
peer->flags |= FLAG_PPS;
/*
* If flag4 is lit, record each second offset to clockstats.
* That's so we can make awesome Allan deviation plots.
*/
if (pp->sloppyclockflag & CLK_FLAG4) {
mprintf_clock_stats(&peer->srcadr, "%.9f",
pp->filter[pp->coderecv]);
}
}
/*
* atom_poll - called by the transmit procedure
*/
static void
atom_poll(
int unit, /* unit number (not used) */
struct peer *peer /* peer structure pointer */
)
{
struct ppsunit *up;
struct refclockproc *pp;
UNUSED_ARG(unit);
pp = peer->procptr;
up = (struct ppsunit *)pp->unitptr;
/*
* Don't wiggle the clock until some other driver has numbered
* the seconds.
*/
if (sys_leap == LEAP_NOTINSYNC) {
pp->codeproc = pp->coderecv; // xxx ??
up->pcount = up->scount = up->kcount = up->rcount = 0;
return;
}
pp->polls++;
mprintf_clock_stats(&peer->srcadr,
"%ld %d %d %d %d",
up->atom.sequence,
up->pcount, up->scount, up->kcount, up->rcount);
up->pcount = up->scount = up->kcount = up->rcount = 0;
if (pp->codeproc == pp->coderecv) {
peer->flags &= ~FLAG_PPS;
refclock_report(peer, CEVNT_TIMEOUT);
return;
}
pp->lastref = pp->lastrec;
refclock_receive(peer);
}