1 files changed, 0 insertions, 228 deletions
diff --git a/xpp/utils/adj_clock.c b/xpp/utils/adj_clock.c
deleted file mode 100644
index 6dfa483..0000000
--- a/xpp/utils/adj_clock.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Written by Tzafrir Cohen <tzafrir.cohen@xorcom.com>
- * Copyright (C) 2006, Xorcom
- *
- * Derived from zttest.c
- *
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-#include <sys/timex.h>
-#include <linux/param.h>
-#include <syslog.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/time.h>
-#include <sys/signal.h>
-#include <math.h>
-
-static const char *rcsid = "$Id$";
-
-#define FREQ_PER_TICK		(64*1024)
-#define USEC_PER_ZAP_TICK	1000	/* Zaptel tick in usec */
-#define	USER_HZ			100
-#define	SYNC_TOLERANCE		100
-#define DEFAULT_INTERVAL	 60
-
-static const char	*program;
-static int		synced_time; /* time (seconds) we are so far synced */
-static int 		verbose = 0;
-static int		sync_tolerance = 100;
-
-void usage() {
-	fprintf(stderr, "%s: synchronize system clock from zaptel clock.\n"
-		"Version: %s\n"
-		"\n"
-		"Usage: %s [ -c COUNT ] [-i INTERVAL] [ -t PERIOD ] [-v]\n"
-		"       %s -h\n"
-		"\n"
-		"Options:\n"
-		"     -c   only run COUNT cycles of synchronization (default: forever).\n"
-		"     -i   set cycle Interval to INTERVAL (in seconds. Default: %d).\n"
-		"     -t   sync tolerance to PERIOD (in usec. Default: %d). For debugging.\n"
-		"     -v   Be more Verbose\n"
-		"     -h   Print this Help text and exit.\n"
-		"", program, rcsid, program, program, DEFAULT_INTERVAL, 
-		sync_tolerance);
-}
-
-/* based on zttest.c */
-
-/*
- * Print a message to the log according to the value of synced_time
- *
- * All parameters are for the "Not Synced" warning message. 
- * TODO: Find a better way.
- */
-void status_message(void) {
-	if (synced_time == 0)
-		syslog(LOG_NOTICE, "Not Synced.\n");
-	else
-		syslog(LOG_INFO, "Good Sync for %d seconds\n", synced_time);
-
-	return;
-}
-
-/*
- * interval: period, in seconds
- * diff_usec: Current offset, in micro-seconds.
- */
-int clock_sync(int interval, int diff_usec)
-{
-	struct timex	cur_time  = {.modes=0}; /* just query */
-	int		diff_tick;	/* Difference in adjtimex ticks */
-	int		req_tick;	/* Required adjtimex tick value */
-	long long	diff_freq;
-	long long	req_freq;
-	int		usec_left;	/* Usec adjusted by frequency	*/
-	int		ret;
-
-	ret = adjtimex(&cur_time);
-
-	diff_tick = diff_usec / (interval * USER_HZ);
-	usec_left = diff_usec - diff_tick * (interval * USER_HZ);
-	diff_freq = usec_left * FREQ_PER_TICK / interval;
-
-	req_tick = cur_time.tick - diff_tick;
-	req_freq = cur_time.freq - diff_freq;
-
-	if(!diff_tick && abs(usec_left) < sync_tolerance)
-		synced_time += interval;
-	else 
-		synced_time = 0;
-	status_message();
-	if (verbose || !synced_time)
-		syslog(LOG_INFO, "interval: %d, diff_tick: %d, diff_usec: %d, usec_left: %d.\n",
-			interval, diff_tick, diff_usec, usec_left);
-
-	/* set the clock rate */
-	cur_time.freq = req_freq;
-	cur_time.tick = req_tick;
-	cur_time.modes = ADJ_TICK | ADJ_FREQUENCY;
-	ret = adjtimex(&cur_time);
-	if (ret < 0)
-		syslog(LOG_ERR, "Adjtimex failed to set frequency. New frequency: %lld. Error: %d (%s)\n",
-				req_freq, errno, strerror(errno));
-	return 0;
-}
-
-static int pass = 0;
-
-void hup_handler(int sig)
-{
-	if (verbose > 0) {
-		syslog(LOG_INFO, "--- Results after %d passes ---\n", pass);
-		status_message();
-	}
-	closelog();
-	exit(0);
-}
-
-void sigusr1_handler(int sig) {
-	verbose++;
-	syslog(LOG_INFO, "Increased verbosity to %d (increase: SIGUSR1, reset: SIGUSR2).\n", verbose);
-	status_message();
-}
-
-void sigusr2_handler(int sig) {
-	verbose = 0;
-	syslog(LOG_INFO, "Set verbosity to 0 (increase: SIGUSR1, reset: SIGUSR2).\n");
-}
-
-void sync_cycle(int fd, int interval)
-{
-	char		buf[1024]; /* TODO: why 1024 and not 1000? */
-	struct timeval	start;
-	struct timeval	end;
-	long long	usec;
-	int		count = 0;
-	int		i;
-	int		res;
-
-	gettimeofday(&start, NULL);
-	for (i=0; i < interval*8; i++) {
-		res = read(fd, buf, sizeof(buf));
-		if (res < 0) {
-			syslog(LOG_ERR, "Failed to read from pseudo interface: %s\n", strerror(errno));
-			exit(1);
-		}
-		count += res/8;
-	}
-	gettimeofday(&end, NULL);
-
-	/* time difference in microseconds: */
-	usec = (end.tv_sec - start.tv_sec) * 1000000;
-	usec += end.tv_usec - start.tv_usec;
-
-	clock_sync(interval, usec - (count * USEC_PER_ZAP_TICK));
-
-	pass++;
-}
-
-int main(int argc, char *argv[])
-{
-	int fd;
-	int opt;
-	int interval = DEFAULT_INTERVAL;
-	int cycles_to_run = 0;
-	int i;
-
-	program = argv[0];
-	while((opt = getopt(argc, argv, "c:hi:t:v")) != -1) {
-		switch (opt) {
-			case 'h': usage(); exit(0); break;
-			case 'c': cycles_to_run = atoi(optarg); break;
-			case 'i': interval = atoi(optarg); break; /* number of seconds */
-			case 't': sync_tolerance = atoi(optarg); break; /* usec */
-			case 'v': verbose++; break;
-			default: 
-				  fprintf(stderr, "%s: Unknown option: %c. Aborting\n", argv[0], opt);
-				  usage();
-				  exit(1);
-		}
-	}
-
-	openlog(program, LOG_PERROR | LOG_PID, LOG_DAEMON);
-	fd = open("/dev/zap/pseudo", O_RDWR);
-	if (fd < 0) {
-		fprintf(stderr, "Unable to open zap interface: %s\n", strerror(errno));
-		exit(1);
-	}
-	if (verbose >=1)
-		syslog(LOG_INFO, "Opened pseudo zap interface, measuring accuracy...\n");
-
-	signal(SIGHUP, hup_handler);
-	signal(SIGINT, hup_handler);
-	signal(SIGUSR1, sigusr1_handler);
-	signal(SIGUSR2, sigusr2_handler);
-	
-	if (cycles_to_run > 0) {
-		for(i=0; i<cycles_to_run; i++) {
-			sync_cycle(fd, interval);
-		}
-		hup_handler(0); /* exit */;
-	}
-	
-	/* else (option -c not provided): run forever. */
-	for(;;) {
-		sync_cycle(fd, interval);
-	}
-}