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ntp: improve copying of server status

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When a server specified with the copy option responds with an
unsynchronized status (e.g. due to selection failure), reset the
source instance to immediately switch the local reference status
instead of waiting for the source to become unreachable after 8 polls.
This commit is contained in:
Miroslav Lichvar 2024-04-29 11:21:45 +02:00
parent 989ef702aa
commit 276591172e
1 changed files with 7 additions and 3 deletions
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8
ntp_core.c
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@ -2372,13 +2372,17 @@ process_response(NCR_Instance inst, int saved, NTP_Local_Address *local_addr,
SRC_UpdateReachability(inst->source, synced_packet);
if (synced_packet) {
if (inst->copy && inst->remote_stratum > 0) {
if (inst->copy) {
/* Assume the reference ID and stratum of the server */
if (synced_packet && inst->remote_stratum > 0) {
inst->remote_stratum--;
SRC_SetRefid(inst->source, ntohl(message->reference_id), &inst->remote_addr.ip_addr);
} else {
SRC_ResetInstance(inst->source);
}
}
if (synced_packet) {
SRC_UpdateStatus(inst->source, MAX(inst->remote_stratum, inst->min_stratum), pkt_leap);
if (inst->delay_quant)