#!/bin/sh

PIDFILE="/tmp/PORT/data/mysql_sandboxPORT.pid"
SOCKETFILE="/tmp/PORT/mysql_sandboxPORT.sock"
BASEDIR="PERCONA_TOOLKIT_SANDBOX"

sandbox_is_alive() {
   local pid=`cat /tmp/PORT/data/mysql_sandboxPORT.pid 2>/dev/null`
   if [ -z "$pid" ]; then
      return 0
   fi
   kill -0 $pid
   local ps_alive=$?

   $BASEDIR/bin/mysqladmin --defaults-file="/tmp/PORT/my.sandbox.cnf" ping >/dev/null 2>&1
   local mysql_alive=$?

   if [ $ps_alive -eq 0 ] && [ $mysql_alive -eq 0 ]; then
      return 1  # sandbox is alive
   else
      return 0
   fi
}

if [ -f "$PIDFILE" ] || [ -S "$SOCKETFILE" ]; then
   sandbox_is_alive
   if [ $? -eq 1 ]; then
      echo "Maatkit sandbox PORT is running."
      exit 0
   fi

   # Sandbox exists but is not running.  Clear it and then start it.
   /tmp/PORT/stop >/dev/null 2>&1
   rm -rf $PIDFILE
   rm -rf $SOCKETFILE
fi

PWD=`pwd`
cd $BASEDIR
$BASEDIR/bin/mysqld_safe --defaults-file=/tmp/PORT/my.sandbox.cnf > /dev/null 2>&1 &
cd $PWD

echo -n "Starting Maatkit sandbox PORT... "
for i in 1 2 3 4 5 6 7 8 9 10; do
   sleep 1
   if [ -f $PIDFILE ] && [ -S $SOCKETFILE ]; then
      break
   fi
done

sandbox_is_alive
if [ $? -eq 1 ]; then
   echo "success!"
   exit 0
else
   echo "failed."
   exit 1
fi