echoip/daemonize.sh
2013-04-10 13:52:20 +02:00

67 lines
1.3 KiB
Bash
Executable File

#!/usr/bin/env bash
NAME="ifconfig"
IFC_PATH=$(dirname $(readlink -f $0))
LOCK_FILE="$IFC_PATH/tmp/${NAME}.lock"
PID_FILE="$IFC_PATH/tmp/${NAME}.pid"
LOG_FILE="$IFC_PATH/tmp/${NAME}.log"
BIN="$IFC_PATH/$NAME"
E_USAGE=1
E_NOTFOUND=2
E_NOPID=3
E_LOCKED=4
if [[ ! -x "$BIN" ]]; then
echo "$BIN does not exist or is not executable"
exit $E_NOTFOUND
fi
start () {
if [[ -f "$LOCK_FILE" ]]; then
echo "Lock file $LOCK_FILE exists. Already running?"
exit $E_LOCKED
fi
echo "Starting $NAME"
daemonize -c $IFC_PATH -o $LOG_FILE -p $PID_FILE -l $LOCK_FILE $BIN
}
stop () {
if [[ ! -s "$PID_FILE" ]]; then
echo "PID file $PID_FILE empty or not found. Not started?"
exit $E_NOPID
fi
PID=$(head -n1 $PID_FILE)
echo "Stopping $NAME: $PID"
kill $PID
rm -f -- $PID_FILE $LOCK_FILE
}
status () {
if [[ ! -s "$PID_FILE" ]]; then
echo "$NAME is not running"
else
echo "$NAME is running: $(head -n1 $PID_FILE)"
fi
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
status)
status
;;
*)
echo "usage: $0 {start|stop|restart|status}"
exit $E_USAGE
;;
esac