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usr / src / contrib / ntp / ntpd /

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📄 Makefile.am(13.57 KB)
📄 Makefile.in(78.52 KB)
📄 check_y2k.c(15.73 KB)
📄 cmd_args.c(4.25 KB)
📄 complete.conf.in(3.35 KB)
📄 declcond.h(793 B)
📄 invoke-ntp.conf.menu(56 B)
📄 invoke-ntp.conf.texi(104.37 KB)
📄 invoke-ntp.keys.menu(56 B)
📄 invoke-ntp.keys.texi(3.21 KB)
📄 invoke-ntpd.menu(49 B)
📄 invoke-ntpd.texi(23.68 KB)
📄 jupiter.h(9.1 KB)
📄 keyword-gen-utd(57 B)
📄 keyword-gen.c(21.99 KB)
📄 ntp.conf.5man(115.01 KB)
📄 ntp.conf.5mdoc(101.72 KB)
📄 ntp.conf.def(100.75 KB)
📄 ntp.conf.html(126.28 KB)
📄 ntp.conf.man.in(115.01 KB)
📄 ntp.conf.mdoc.in(101.71 KB)
📄 ntp.conf.texi(1.19 KB)
📄 ntp.keys.5man(3.99 KB)
📄 ntp.keys.5mdoc(4.25 KB)
📄 ntp.keys.def(3.65 KB)
📄 ntp.keys.html(8.37 KB)
📄 ntp.keys.man.in(3.99 KB)
📄 ntp.keys.mdoc.in(4.24 KB)
📄 ntp.keys.texi(1.2 KB)
📄 ntp_config.c(117.55 KB)
📄 ntp_control.c(123.14 KB)
📄 ntp_crypto.c(117.09 KB)
📄 ntp_filegen.c(13.42 KB)
📄 ntp_io.c(112.21 KB)
📄 ntp_keyword.h(73.49 KB)
📄 ntp_leapsec.c(31.18 KB)
📄 ntp_leapsec.h(10.95 KB)
📄 ntp_loopfilter.c(40.05 KB)
📄 ntp_monitor.c(13.43 KB)
📄 ntp_parser.c(130.65 KB)
📄 ntp_parser.h(11.36 KB)
📄 ntp_peer.c(27.66 KB)
📄 ntp_prio_q.c(4.54 KB)
📄 ntp_proto.c(150.76 KB)
📄 ntp_refclock.c(43.87 KB)
📄 ntp_request.c(67.25 KB)
📄 ntp_restrict.c(19.06 KB)
📄 ntp_scanner.c(20.74 KB)
📄 ntp_scanner.h(4.43 KB)
📄 ntp_signd.c(5.24 KB)
📄 ntp_timer.c(17.69 KB)
📄 ntp_util.c(22.66 KB)
📄 ntpd-opts.c(71.91 KB)
📄 ntpd-opts.def(17.55 KB)
📄 ntpd-opts.h(14.57 KB)
📄 ntpd.1ntpdman(32.03 KB)
📄 ntpd.1ntpdmdoc(29.07 KB)
📄 ntpd.c(42.16 KB)
📄 ntpd.html(49.68 KB)
📄 ntpd.man.in(32.03 KB)
📄 ntpd.mdoc.in(29.07 KB)
📄 ntpd.texi(3.25 KB)
📄 ntpdbase-opts.def(13.21 KB)
📄 ntpsim.c(17.11 KB)
📄 ppsapi_timepps.h(497 B)
📄 psl0.conf(25 B)
📄 psl1.conf(25 B)
📄 psl2.conf(37 B)
📄 rc_cmdlength.c(800 B)
📄 refclock_acts.c(22.66 KB)
📄 refclock_arbiter.c(12.15 KB)
📄 refclock_arc.c(46.85 KB)
📄 refclock_as2201.c(11.09 KB)
📄 refclock_atom.c(6.63 KB)
📄 refclock_bancomm.c(16.11 KB)
📄 refclock_chronolog.c(7.61 KB)
📄 refclock_chu.c(45.28 KB)
📄 refclock_conf.c(7.25 KB)
📄 refclock_datum.c(22.3 KB)
📄 refclock_dumbclock.c(8.42 KB)
📄 refclock_fg.c(6.89 KB)
📄 refclock_gpsdjson.c(58 KB)
📄 refclock_gpsvme.c(7.77 KB)
📄 refclock_heath.c(12.97 KB)
📄 refclock_hopfpci.c(5.69 KB)
📄 refclock_hopfser.c(7.41 KB)
📄 refclock_hpgps.c(16.38 KB)
📄 refclock_irig.c(30.05 KB)
📄 refclock_jjy.c(144.27 KB)
📄 refclock_jupiter.c(25.66 KB)
📄 refclock_leitch.c(13.27 KB)
📄 refclock_local.c(5.72 KB)
📄 refclock_msfees.c(44.66 KB)
📄 refclock_mx4200.c(41.72 KB)
📄 refclock_neoclock4x.c(29.08 KB)
📄 refclock_nmea.c(50.6 KB)
📄 refclock_oncore.c(121.54 KB)
📄 refclock_palisade.c(35.15 KB)
📄 refclock_palisade.h(6.52 KB)
📄 refclock_parse.c(160.87 KB)
📄 refclock_pcf.c(4.79 KB)
📄 refclock_pst.c(8.09 KB)
📄 refclock_ripencc.c(118.21 KB)
📄 refclock_shm.c(16.96 KB)
📄 refclock_tpro.c(4.69 KB)
📄 refclock_true.c(25.3 KB)
📄 refclock_tsyncpci.c(28.35 KB)
📄 refclock_tt560.c(6.12 KB)
📄 refclock_ulink.c(15.64 KB)
📄 refclock_wwv.c(79.32 KB)
📄 refclock_wwvb.c(15.71 KB)
📄 refclock_zyfer.c(7.38 KB)

Editing: refclock_pcf.c

/*
 * refclock_pcf - clock driver for the Conrad parallel port radio clock
 */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#if defined(REFCLOCK) && defined(CLOCK_PCF)

#include "ntpd.h"
#include "ntp_io.h"
#include "ntp_refclock.h"
#include "ntp_calendar.h"
#include "ntp_stdlib.h"

/*
 * This driver supports the parallel port radio clock sold by Conrad
 * Electronic under order numbers 967602 and 642002.
 *
 * It requires that the local timezone be CET/CEST and that the pcfclock
 * device driver be installed.  A device driver for Linux is available at
 * http://home.pages.de/~voegele/pcf.html.  Information about a FreeBSD
 * driver is available at http://schumann.cx/pcfclock/.
 */

/*
 * Interface definitions
 */
#define	DEVICE		"/dev/pcfclocks/%d"
#define	OLDDEVICE	"/dev/pcfclock%d"
#define	PRECISION	(-1)	/* precision assumed (about 0.5 s) */
#define REFID		"PCF"
#define DESCRIPTION	"Conrad parallel port radio clock"

#define LENPCF		18	/* timecode length */

/*
 * Function prototypes
 */
static	int 	pcf_start 		(int, struct peer *);
static	void	pcf_shutdown		(int, struct peer *);
static	void	pcf_poll		(int, struct peer *);

/*
 * Transfer vector
 */
struct  refclock refclock_pcf = {
	pcf_start,              /* start up driver */
	pcf_shutdown,           /* shut down driver */
	pcf_poll,               /* transmit poll message */
	noentry,                /* not used */
	noentry,                /* initialize driver (not used) */
	noentry,                /* not used */
	NOFLAGS                 /* not used */
};

/*
 * pcf_start - open the device and initialize data for processing
 */
static int
pcf_start(
     	int unit,
	struct peer *peer
	)
{
	struct refclockproc *pp;
	int fd;
	char device[128];

/*
	 * Open device file for reading.
	 */
	snprintf(device, sizeof(device), DEVICE, unit);
	fd = open(device, O_RDONLY);
	if (fd == -1) {
		snprintf(device, sizeof(device), OLDDEVICE, unit);
		fd = open(device, O_RDONLY);
	}
#ifdef DEBUG
	if (debug)
		printf ("starting PCF with device %s\n",device);
#endif
	if (fd == -1) {
		return (0);
	}
	
	pp = peer->procptr;
	pp->io.clock_recv = noentry;
	pp->io.srcclock = peer;
	pp->io.datalen = 0;
	pp->io.fd = fd;
	
	/*
	 * Initialize miscellaneous variables
	 */
	peer->precision = PRECISION;
	pp->clockdesc = DESCRIPTION;
	/* one transmission takes 172.5 milliseconds since the radio clock
	   transmits 69 bits with a period of 2.5 milliseconds per bit */
	pp->fudgetime1 = 0.1725;
	memcpy((char *)&pp->refid, REFID, 4);

return (1);
}

/*
 * pcf_shutdown - shut down the clock
 */
static void
pcf_shutdown(
	int unit,
	struct peer *peer
	)
{
	struct refclockproc *pp;
	
	pp = peer->procptr;
	if (NULL != pp)
		close(pp->io.fd);
}

/*
 * pcf_poll - called by the transmit procedure
 */
static void
pcf_poll(
	int unit,
	struct peer *peer
	)
{
	struct refclockproc *pp;
	char buf[LENPCF];
	struct tm tm, *tp;
	time_t t;
	
	pp = peer->procptr;

buf[0] = 0;
	if (read(pp->io.fd, buf, sizeof(buf)) < (ssize_t)sizeof(buf) || buf[0] != 9) {
		refclock_report(peer, CEVNT_FAULT);
		return;
	}

ZERO(tm);

tm.tm_mday = buf[11] * 10 + buf[10];
	tm.tm_mon = buf[13] * 10 + buf[12] - 1;
	tm.tm_year = buf[15] * 10 + buf[14];
	tm.tm_hour = buf[7] * 10 + buf[6];
	tm.tm_min = buf[5] * 10 + buf[4];
	tm.tm_sec = buf[3] * 10 + buf[2];
	tm.tm_isdst = (buf[8] & 1) ? 1 : (buf[8] & 2) ? 0 : -1;

/*
	 * Y2K convert the 2-digit year
	 */
	if (tm.tm_year < 99)
		tm.tm_year += 100;
	
	t = mktime(&tm);
	if (t == (time_t) -1) {
		refclock_report(peer, CEVNT_BADTIME);
		return;
	}

#if defined(__GLIBC__) && defined(_BSD_SOURCE)
	if ((tm.tm_isdst > 0 && tm.tm_gmtoff != 7200)
	    || (tm.tm_isdst == 0 && tm.tm_gmtoff != 3600)
	    || tm.tm_isdst < 0) {
#ifdef DEBUG
		if (debug)
			printf ("local time zone not set to CET/CEST\n");
#endif
		refclock_report(peer, CEVNT_BADTIME);
		return;
	}
#endif

pp->lencode = strftime(pp->a_lastcode, BMAX, "%Y %m %d %H %M %S", &tm);

#if defined(_REENTRANT) || defined(_THREAD_SAFE)
	tp = gmtime_r(&t, &tm);
#else
	tp = gmtime(&t);
#endif
	if (!tp) {
		refclock_report(peer, CEVNT_FAULT);
		return;
	}

get_systime(&pp->lastrec);
	pp->polls++;
	pp->year = tp->tm_year + 1900;
	pp->day = tp->tm_yday + 1;
	pp->hour = tp->tm_hour;
	pp->minute = tp->tm_min;
	pp->second = tp->tm_sec;
	pp->nsec = buf[16] * 31250000;
	if (buf[17] & 1)
		pp->nsec += 500000000;

#ifdef DEBUG
	if (debug)
		printf ("pcf%d: time is %04d/%02d/%02d %02d:%02d:%02d UTC\n",
			unit, pp->year, tp->tm_mon + 1, tp->tm_mday, pp->hour,
			pp->minute, pp->second);
#endif

if (!refclock_process(pp)) {
		refclock_report(peer, CEVNT_BADTIME);
		return;
	}
	record_clock_stats(&peer->srcadr, pp->a_lastcode);
	if ((buf[1] & 1) && !(pp->sloppyclockflag & CLK_FLAG2))
		pp->leap = LEAP_NOTINSYNC;
	else
		pp->leap = LEAP_NOWARNING;
	pp->lastref = pp->lastrec;
	refclock_receive(peer);
}
#else
int refclock_pcf_bs;
#endif /* REFCLOCK */

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Editing: refclock_pcf.c

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