chrony/test/simulation/122-xleave
Miroslav Lichvar 64c2fd9888 ntp: limit number of interleaved responses in symmetric mode
In symmetric mode, don't send a packet in interleaved mode unless it is
the first response to the last valid request received from the peer and
there was just one response to the previous valid request. This prevents
the peer from matching the transmit timestamp with an older response if
it can't detect missed responses.
2017-08-09 09:57:13 +02:00

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#!/bin/bash
. ./test.common
test_start "interleaved mode"
client_server_options="xleave"
run_test || test_fail
check_chronyd_exit || test_fail
check_source_selection || test_fail
check_packet_interval || test_fail
check_sync || test_fail
clients=2
peers=2
max_sync_time=500
base_delay="(+ 1e-4 (* -1 (equal 0.1 from 2) (equal 0.1 to 1)))"
client_lpeer_options="xleave minpoll 5 maxpoll 5"
client_rpeer_options="minpoll 5 maxpoll 5"
run_test || test_fail
check_chronyd_exit || test_fail
# These checks are expected to fail
check_source_selection && test_fail
check_sync && test_fail
for rpoll in 4 5 6; do
client_rpeer_options="xleave minpoll $rpoll maxpoll $rpoll"
run_test || test_fail
check_chronyd_exit || test_fail
check_source_selection || test_fail
check_sync || test_fail
done
test_pass