1186894f7
Denys Vlasenko
2015-03-31
Subject
update example ntp.script
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examples/var_service/ntpd/ntp.script+19 -2
| @@ -10,12 +10,30 @@ | |
| dt=`date '+%Y-%m-%d %H:%M:%S'` | |
| + | echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$" |
| + | |
| + | if test x"$1" = x"unsync" \ |
| + | ; then |
| + | # No replies for our NTP requests were seen for some time. |
| + | # |
| + | # Among more mundate cases like network outages, this happens |
| + | # if we ran for a LONG time (days) and ntp server's IP has changed. |
| + | # ntpd has no code to re-resolve peers' addresses to IPs, |
| + | # we need to help it: |
| + | # |
| + | echo "$dt: $1"\ |
| + | "syncronization lost, restarting ntpd"\ |
| + | >>"$0.log.$$" |
| + | mv -- "$0.log.$$" "$0.log" |
| + | kill $PPID |
| + | exit |
| + | fi |
| + | |
| if test x"$stratum" != x"" \ | |
| && test x"$poll_interval" != x"" \ | |
| && test 4 -ge "$stratum" \ | |
| && test 128 -le "$poll_interval" \ | |
| ; then | |
| - | echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$" |
| echo "$dt: $1"\ | |
| "freq_drift_ppm=$freq_drift_ppm"\ | |
| "offset=$offset"\ | |
| @@ -27,7 +45,6 @@ if test x"$stratum" != x"" \ | |
| exec hwclock --systohc | |
| fi | |
| - | echo "`tail -n 199 -- "$0.log" 2>/dev/null`" >"$0.log.$$" |
| echo "$dt: $1"\ | |
| "freq_drift_ppm=$freq_drift_ppm"\ | |
| "offset=$offset"\ | |