diff options
Diffstat (limited to 'custom/overlay/etc')
-rwxr-xr-x | custom/overlay/etc/init.d/S48sntp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/custom/overlay/etc/init.d/S48sntp b/custom/overlay/etc/init.d/S48sntp new file mode 100755 index 0000000..2d6f0d7 --- /dev/null +++ b/custom/overlay/etc/init.d/S48sntp @@ -0,0 +1,62 @@ +#!/bin/sh + +##### +# modification by uvok. +# just throw the process into the background. +# ethernet/DHCP takes too long. +# and I don't want to wait eternities for boot to finish. +##### + +DAEMON="sntp" +# sntp uses all the IPs resolved for the hostname (i.e. pool.ntp.org has 4). +# It will try each until they either all timeout or time has been set. Thus +# default to only providing one NTP pool host. +SNTP_SERVERS="pool.ntp.org" +# Step if time delta is greater then 128ms, otherwise slew +SNTP_ARGS="-Ss -M 128" +SNTP_KEY_CACHE="/tmp/kod" + +# shellcheck source=/dev/null +[ -r "/etc/default/$DAEMON" ] && . "/etc/default/$DAEMON" + +start() { + printf 'Starting %s: ' "$DAEMON" + # Create key cache file to prevents warning that file is missing + touch $SNTP_KEY_CACHE + # shellcheck disable=SC2086 # we need the word splitting + (sleep 10; /usr/bin/$DAEMON $SNTP_ARGS -K $SNTP_KEY_CACHE $SNTP_SERVERS) & + # sntp behavior + # - Does not background + # - Does not infinitely block + # - Time-out w/o network = ~2 sec + # - Time-out w/ network = ~5sec * # of servers + status=$? + if [ "$status" -eq 0 ]; then + echo "OK" + else + echo "FAIL" + fi + return "$status" +} + +stop() { + echo "Nothing to do, $DAEMON is not a daemon." +} + +restart() { + stop + sleep 1 + start +} + +reload() { + echo "Nothing to do, $DAEMON does not support reload." +} + +case "$1" in + start|stop|restart|reload) + "$1";; + *) + echo "Usage: $0 {start|stop|restart|reload}" + exit 1 +esac |