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ntpd: make it work w/o -g too :(

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-12-01 02:32:01 +01:00
parent 8eda4a9005
commit fae9f499b2
2 changed files with 23 additions and 21 deletions
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8
examples/var_service/fw/run
View File

@ -1,5 +1,8 @@
#!/bin/bash
# (using bashisms: "function", arrays)
# (using bashism: arrays)
service="${PWD##*/}"
rundir="/var/run/service/$service"
user=root
extif=if
@ -10,9 +13,6 @@ sv o .
# Debug
#date '+%Y-%m-%d %H:%M:%S' >>"$0.log"
service=`basename "$PWD"`
rundir="/var/run/service/$service"
### filter This is the default table (if no -t option is passed). It contains
### the built-in chains INPUT (for packets coming into the box itself),
### FORWARD (for packets being routed through the box), and OUTPUT (for

36
networking/ntpd.c
View File

@ -180,8 +180,8 @@ struct globals {
llist_t *ntp_peers;
ntp_status_t status;
uint32_t scale;
uint8_t settime;
uint8_t firstadj;
uint8_t time_is_set;
uint8_t first_adj_done;
};
#define G (*ptr_to_globals)
@ -454,23 +454,25 @@ adjtime_wrap(void)
G.status.leap = peers[middle]->update.status.leap;
bb_info_msg("adjusting local clock by %fs", offset_median);
errno = 0;
d_to_tv(offset_median, &tv);
if (adjtime(&tv, &olddelta) == -1)
bb_error_msg("adjtime failed");
else if (!G.firstadj
if (adjtime(&tv, &olddelta) == -1) {
bb_perror_msg("adjtime failed"); //TODO: maybe _and_die?
} else
if (G.first_adj_done
&& olddelta.tv_sec == 0
&& olddelta.tv_usec == 0
&& !G.status.synced
) {
bb_info_msg("clock synced");
G.status.synced = 1;
} else if (G.status.synced) {
} else
if (G.status.synced) {
bb_info_msg("clock unsynced");
G.status.synced = 0;
}
G.firstadj = 0;
G.first_adj_done = 1;
G.status.reftime = gettime1900fp();
G.status.stratum++; /* one more than selected peer */
G.scale = updated_scale(offset_median);
@ -495,7 +497,7 @@ adjtime_wrap(void)
}
static void
settime(double offset)
step_time_once(double offset)
{
ntp_peer_t *p;
llist_t *item;
@ -503,10 +505,9 @@ settime(double offset)
char buf[80];
time_t tval;
if (!G.settime)
if (G.time_is_set)
goto bail;
G.settime = 0;
G.time_is_set = 1;
/* if the offset is small, don't call settimeofday */
if (offset < SETTIME_MIN_OFFSET && offset > -SETTIME_MIN_OFFSET)
@ -514,6 +515,7 @@ settime(double offset)
gettimeofday(&curtime, NULL); /* never fails */
//isn't it simpler to: offset += curtime.tv_sec; offset += 1.0e-6 * curtime.tv_usec?
d_to_tv(offset, &tv);
curtime.tv_usec += tv.tv_usec + 1000000;
curtime.tv_sec += tv.tv_sec - 1 + (curtime.tv_usec / 1000000);
@ -708,7 +710,7 @@ recv_and_process_peer_pkt(ntp_peer_t *p)
offset->offset, offset->delay, (int) interval);
update_peer_data(p);
settime(offset->offset);
step_time_once(offset->offset);
p->shift++;
if (p->shift >= OFFSET_ARRAY_SIZE)
@ -892,8 +894,9 @@ static NOINLINE void ntp_init(char **argv)
&peers, &G.verbose);
if (!(opts & (OPT_p|OPT_l)))
bb_show_usage();
if (opts & OPT_g)
G.settime = 1;
//WRONG
// if (opts & OPT_g)
// G.time_is_set = 1;
while (peers)
add_peers(llist_pop(&peers));
if (!(opts & OPT_n)) {
@ -931,7 +934,6 @@ static NOINLINE void ntp_init(char **argv)
G.status.precision = prec;
}
G.scale = 1;
G.firstadj = 1;
bb_signals((1 << SIGTERM) | (1 << SIGINT), record_signo);
bb_signals((1 << SIGPIPE) | (1 << SIGHUP), SIG_IGN);
@ -1019,7 +1021,7 @@ int ntpd_main(int argc UNUSED_PARAM, char **argv)
}
if ((trial_cnt > 0 && sent_cnt == 0) || g.peer_cnt == 0)
settime(0); /* no good peers, don't wait */
step_time_once(0); /* no good peers, don't wait */
timeout = nextaction - cur_time;
if (timeout < 0)