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ntp: reset polling interval when replacing sources

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Set the polling interval to minpoll when changing address of a source,
but only if it is reachable to avoid increasing load on server or
network in case that is the reason for the source being unreachable.

This shortens the time needed to replace a falseticker or
unsynchronized source with a selectable source.
This commit is contained in:
Miroslav Lichvar
2023-05-16 15:11:22 +02:00
parent b2dac47c82
commit 5ba42cee45
2 changed files with 25 additions and 0 deletions
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19
test/simulation/137-pool
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@@ -46,4 +46,23 @@ check_sync || test_fail
check_file_messages "20.*192.168.123.*" 15 17 measurements.log || test_fail
rm -f tmp/measurements.log
servers=6
falsetickers=2
client_server_conf="pool nodes-1-2-3-4-5-6.net1.clk maxsources 5 polltarget 1 iburst"
wander=1e-12
jitter=1e-6
min_sync_time=7
run_test || test_fail
check_chronyd_exit || test_fail
check_source_selection || test_fail
check_packet_interval || test_fail
check_sync || test_fail
check_log_messages "Detected falseticker" 2 10 || test_fail
check_log_messages "Source 192.168.123.. replaced with" 1 1 || test_fail
check_file_messages "20.*192.168.123.* 11.1 6 6 " 15 17 measurements.log || test_fail
check_file_messages "20.*00:01:.. 192.168.123.* 11.1 6 6 " 1 1 measurements.log || test_fail
rm -f tmp/measurements.log
test_pass