PAL.C.T MINI SHELL
#!/bin/sh
HOSTNAME=`hostname`
MYSQL_PIDFILE=/opt/lampp/var/mysql/$HOSTNAME.pid
MYSQL_STATUS=""
MYSQL_PID=""
PID=""
ERROR=0
get_pid() {
PID=""
PIDFILE=$1
# check for pidfile
if [ -f "$PIDFILE" ] ; then
PID=`cat $PIDFILE`
fi
}
get_mysql_pid() {
get_pid $MYSQL_PIDFILE
if [ ! "$PID" ]; then
return
fi
if [ "$PID" -gt 0 ]; then
MYSQL_PID=$PID
fi
}
is_service_running() {
PID=$1
if [ "x$PID" != "x" ] && kill -0 $PID 2>/dev/null ; then
RUNNING=1
else
RUNNING=0
fi
return $RUNNING
}
is_mysql_running() {
get_mysql_pid
is_service_running $MYSQL_PID
RUNNING=$?
if [ $RUNNING -eq 0 ]; then
MYSQL_STATUS="mysql not running"
else
MYSQL_STATUS="mysql already running"
fi
return $RUNNING
}
start_mysql() {
is_mysql_running
RUNNING=$?
if [ $RUNNING -eq 1 ]; then
echo "$0 $ARG: mysql (pid $MYSQL_PID) already running"
exit
fi
/opt/lampp/lampp startmysql > /dev/null &
COUNTER=40
while [ $RUNNING -eq 0 ] && [ $COUNTER -ne 0 ]; do
COUNTER=`expr $COUNTER - 1`
sleep 3
is_mysql_running
RUNNING=$?
done
if [ $RUNNING -eq 0 ]; then
ERROR=1
fi
if [ $ERROR -eq 0 ]; then
echo "$0 $ARG: mysql started at port 3306"
sleep 2
else
echo "$0 $ARG: mysql could not be started"
ERROR=3
fi
}
stop_mysql() {
NO_EXIT_ON_ERROR=$1
is_mysql_running
RUNNING=$?
if [ $RUNNING -eq 0 ]; then
echo "$0 $ARG: $MYSQL_STATUS"
if [ "x$NO_EXIT_ON_ERROR" != "xno_exit" ]; then
exit
else
return
fi
fi
kill $MYSQL_PID
COUNTER=40
while [ $RUNNING -eq 1 ] && [ $COUNTER -ne 0 ]; do
COUNTER=`expr $COUNTER - 1`
sleep 3
is_mysql_running
RUNNING=$?
done
is_mysql_running
RUNNING=$?
if [ $RUNNING -eq 0 ]; then
echo "$0 $ARG: mysql stopped"
else
echo "$0 $ARG: mysql could not be stopped"
ERROR=4
fi
}
cleanpid() {
rm -f $MYSQL_PIDFILE
}
if [ "x$1" = "xstart" ]; then
start_mysql
elif [ "x$1" = "xstop" ]; then
stop_mysql
elif [ "x$1" = "xstatus" ]; then
is_mysql_running
echo "$MYSQL_STATUS"
elif [ "x$1" = "xcleanpid" ]; then
cleanpid
fi
exit $ERROR
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