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ntpd: print result of hostname resolution

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This is particularly useful if hostname resolution is triggered by
host non-reachability: I saw this in real-life, without the message
it is not at all obvious that IP that we use for a specific host
has changed.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-01-19 14:42:34 +01:00
parent 704c606f48
commit 1bfc4b85a7
1 changed files with 3 additions and 1 deletions
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4
networking/ntpd.c
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@ -757,7 +757,7 @@ reset_peer_stats(peer_t *p, double offset)
* and clear reachable bits, but this proved to be too agressive: * and clear reachable bits, but this proved to be too agressive:
* after step (tested with suspending laptop for ~30 secs), * after step (tested with suspending laptop for ~30 secs),
* this caused all previous data to be considered invalid, * this caused all previous data to be considered invalid,
* making us needing to collect full ~8 datapoins per peer * making us needing to collect full ~8 datapoints per peer
* after step in order to start trusting them. * after step in order to start trusting them.
* In turn, this was making poll interval decrease even after * In turn, this was making poll interval decrease even after
* step was done. (Poll interval decreases already before step * step was done. (Poll interval decreases already before step
@ -800,6 +800,8 @@ resolve_peer_hostname(peer_t *p)
free(p->p_dotted); free(p->p_dotted);
p->p_lsa = lsa; p->p_lsa = lsa;
p->p_dotted = xmalloc_sockaddr2dotted_noport(&lsa->u.sa); p->p_dotted = xmalloc_sockaddr2dotted_noport(&lsa->u.sa);
VERB1 if (strcmp(p->p_hostname, p->p_dotted) != 0)
bb_error_msg("'%s' is %s", p->p_hostname, p->p_dotted);
} else { } else {
/* error message is emitted by host2sockaddr() */ /* error message is emitted by host2sockaddr() */
set_next(p, HOSTNAME_INTERVAL); set_next(p, HOSTNAME_INTERVAL);