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#!/bin/bash | |
BIN='/usr/local/bin/btsync' | |
CONF='/usr/local/etc/btsync/sync.conf' | |
PID='/var/run/btsync/btsync.pid' | |
PIDMATCH=true | |
SERVICE=$(basename $0) | |
test $(id -u) -ne 0 && echo "This is for root." >&2 && exit 1 | |
main(){ | |
case $1 in | |
start) | |
if begin | |
then | |
echo "$SERVICE successfully started" | |
exit 0 | |
else | |
echo "Error starting $SERVICE." >&2 | |
exit 1 | |
fi | |
;; | |
stop) | |
if end | |
then | |
echo "$SERVICE successfully stopped" | |
exit 0 | |
else | |
echo "Error stopping $SERVICE" >&2 | |
exit 1 | |
fi | |
;; | |
status) | |
query | |
exit $? | |
;; | |
*) | |
printUsage | |
exit 1 | |
;; | |
esac | |
} | |
running(){ | |
test ! -f $PID && return 1 | |
listen=$(netstat -tnlp | grep btsync | awk '{print $NF}' | cut -d'/' -f1 | head -1) | |
last=$(cat $PID) | |
test -z $listen && return 1 | |
if [[ $listen -ne $last ]] | |
then | |
echo "Warning: PID of listening instance does not match PID in $PID" >&2 | |
PIDMATCH=false | |
return 0 | |
else | |
return 0 | |
fi | |
} | |
begin(){ | |
if running | |
then | |
echo "$SERVICE is already running." >&2 | |
return 1 | |
else | |
$BIN --config $CONF | |
fi | |
} | |
end(){ | |
if running | |
then | |
if ! $PIDMATCH | |
then | |
echo "Error: Failed to stop $SERVICE: PID in $PID does not match PID of listening instance" >&2 | |
return 1 | |
fi | |
kill -15 $(cat $PID) | |
xstat=$? | |
rm $PID | |
return $xstat | |
else | |
echo "$SERVICE is not running." | |
return 1 | |
fi | |
} | |
query(){ | |
if running | |
then | |
echo "$SERVICE is running" | |
return 0 | |
else | |
echo "$SERVICE is stopped" | |
return 0 | |
fi | |
} | |
printUsage(){ | |
echo "Usage: $0 [start|stop|status]" | |
} | |
main $* |
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