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ntp: drop initstepslew NTP implementation

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The initstepslew code has its own minimal NTP implementation. Drop the
code, add a new initstepslew mode to the reference updating code and
use regular NTP sources with iburst flag for initstepslew addresses
instead. When an update is made or a source is found unreachable, log a
message, remove the initstepslew sources and switch to normal mode.

This reduces code duplication and makes initstepslew use features
implemented only in the main code like source combining or SO_TIMESTAMP
support.
This commit is contained in:
Miroslav Lichvar
2014-04-07 17:27:44 +02:00
parent 4932f9d077
commit 7fda9c6723
12 changed files with 218 additions and 865 deletions
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9
test/simulation/103-initstepslew
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@@ -5,12 +5,13 @@ test_start "initstepslew directive"
freq_offset=0.0
wander=0.0
time_rms_limit=1e-3
limit=100
client_conf="initstepslew 5 192.168.123.1"
min_sync_time=15
max_sync_time=30
min_sync_time=20
max_sync_time=35
for time_offset in -2.0 -0.2 0.2 2.0; do
run_test || test_fail
@@ -18,8 +19,8 @@ for time_offset in -2.0 -0.2 0.2 2.0; do
check_sync || test_fail
done
min_sync_time=1
max_sync_time=1
min_sync_time=5
max_sync_time=5
for time_offset in -1e8 -1e2 1e2 1e8; do
run_test || test_fail