faraphel/chrony
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ntp: don't adjust polling interval when sending fails

Browse source
This commit is contained in:
Miroslav Lichvar 2014-08-20 15:24:21 +02:00
parent e3c77f9b4b
commit d446950c6a
1 changed files with 15 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
ntp_core.c
View file

@ -805,6 +805,7 @@ static void
transmit_timeout(void *arg)
{
NCR_Instance inst = (NCR_Instance) arg;
int sent;
inst->timer_running = 0;
@ -860,16 +861,26 @@ transmit_timeout(void *arg)
inst->presend_done = 0; /* Reset for next time */
sent = transmit_packet(inst->mode, inst->local_poll,
NTP_VERSION,
inst->do_auth, inst->auth_key_id,
&inst->remote_orig,
&inst->local_rx, &inst->local_tx, &inst->local_ntp_tx,
&inst->remote_addr,
&inst->local_addr);
++inst->tx_count;
/* If the source loses connectivity, back off the sampling rate to reduce
wasted sampling. If it's the source to which we are currently locked,
back off slower. */
/* If the source loses connectivity and our packets are still being sent,
back off the sampling rate to reduce the network traffic. If it's the
source to which we are currently locked, back off slowly. */
if (inst->tx_count >= 2) {
/* Implies we have missed at least one transmission */
adjust_poll(inst, SRC_IsSyncPeer(inst->source) ? 0.1 : 0.25);
if (sent) {
adjust_poll(inst, SRC_IsSyncPeer(inst->source) ? 0.1 : 0.25);
}
SRC_UpdateReachability(inst->source, 0);
@ -878,14 +889,6 @@ transmit_timeout(void *arg)
}
}
transmit_packet(inst->mode, inst->local_poll,
NTP_VERSION,
inst->do_auth, inst->auth_key_id,
&inst->remote_orig,
&inst->local_rx, &inst->local_tx, &inst->local_ntp_tx,
&inst->remote_addr,
&inst->local_addr);
switch (inst->opmode) {
case MD_BURST_WAS_ONLINE:
case MD_BURST_WAS_OFFLINE: