#!/bin/sh
# Copyright (C) 2004 MySQL AB
# For a more info consult the file COPYRIGHT distributed with this file

# This scripts starts the table handler ndbcluster

# configurable parameters, make sure to change in mysqlcluterd as well
port_base="2200"
fsdir=`pwd`
# end configurable parameters

#BASEDIR is always one above mysql-test directory
CWD=`pwd`
cd ..
BASEDIR=`pwd`
cd $CWD

# Are we using a source or a binary distribution?
if [ -d ../sql ] ; then
   SOURCE_DIST=1
   ndbtop=$BASEDIR/ndb
   exec_ndb=$ndbtop/src/kernel/ndbd
   exec_mgmtsrvr=$ndbtop/src/mgmsrv/ndb_mgmd
   exec_waiter=$ndbtop/tools/ndb_waiter
   exec_mgmtclient=$ndbtop/src/mgmclient/ndb_mgm
else
   BINARY_DIST=1
   if test -x "$BASEDIR/libexec/ndbd"
   then
     exec_ndb=$BASEDIR/libexec/ndbd
     exec_mgmtsrvr=$BASEDIR/libexec/ndb_mgmd
   else
     exec_ndb=$BASEDIR/bin/ndbd
     exec_mgmtsrvr=$BASEDIR/bin/ndb_mgmd
   fi
   exec_waiter=$BASEDIR/bin/ndb_waiter
   exec_mgmtclient=$BASEDIR/bin/ndb_mgm
fi

pidfile=ndbcluster.pid
cfgfile=Ndb.cfg
stop_ndb=
initial_ndb=
status_ndb=
ndb_diskless=0

ndb_con_op=100000
ndb_dmem=80M
ndb_imem=24M

while test $# -gt 0; do
  case "$1" in
    --stop)
     stop_ndb=1
     ;;
    --initial)
     flags_ndb="$flags_ndb -i"
     initial_ndb=1
     ;;
    --status)
     status_ndb=1
     ;;
    --small)
     ndb_con_op=10000
     ndb_dmem=40M
     ndb_imem=12M
     ;;
    --diskless)
     ndb_diskless=1
     ;;
    --data-dir=*)
     fsdir=`echo "$1" | sed -e "s;--data-dir=;;"`
     ;;
    --port-base=*)
     port_base=`echo "$1" | sed -e "s;--port-base=;;"`
     ;;
    -- )  shift; break ;;
    --* ) $ECHO "Unrecognized option: $1"; exit 1 ;;
    * ) break ;;
  esac
  shift
done

fs_ndb="$fsdir/ndbcluster-$port_base"

NDB_HOME=
if [ ! -x "$fsdir" ]; then
  echo "$fsdir missing"
  exit 1
fi
if [ ! -x "$exec_ndb" ]; then
  echo "$exec_ndb missing"
  exit 1
fi
if [ ! -x "$exec_mgmtsrvr" ]; then
  echo "$exec_mgmtsrvr missing"
  exit 1
fi

ndb_host="localhost"
ndb_mgmd_port=$port_base
NDB_CONNECTSTRING="host=$ndb_host:$ndb_mgmd_port"
export NDB_CONNECTSTRING

start_default_ndbcluster() {

# do some checks

if [ "$initial_ndb" ] ; then
  [ -d "$fs_ndb" ] || mkdir "$fs_ndb"
fi
if [ -d "$fs_ndb" ]; then :; else
  echo "$fs_ndb filesystem directory does not exist"
  exit 1
fi

# set som help variables

port_transporter=`expr $ndb_mgmd_port + 2`

# Start management server as deamon

# Edit file system path and ports in config file

if [ $initial_ndb ] ; then
sed \
    -e s,"CHOOSE_MaxNoOfConcurrentOperations","$ndb_con_op",g \
    -e s,"CHOOSE_DataMemory","$ndb_dmem",g \
    -e s,"CHOOSE_IndexMemory","$ndb_imem",g \
    -e s,"CHOOSE_Diskless","$ndb_diskless",g \
    -e s,"CHOOSE_HOSTNAME_".*,"$ndb_host",g \
    -e s,"CHOOSE_FILESYSTEM","$fs_ndb",g \
    -e s,"CHOOSE_PORT_MGM","$ndb_mgmd_port",g \
    -e s,"CHOOSE_PORT_TRANSPORTER","$port_transporter",g \
    < ndb/ndb_config_2_node.ini \
    > "$fs_ndb/config.ini"
fi

rm -f "$cfgfile" 2>&1 | cat > /dev/null
rm -f "$fs_ndb/$cfgfile" 2>&1 | cat > /dev/null

if ( cd "$fs_ndb" ; $exec_mgmtsrvr -d -c config.ini ) ; then :; else
  echo "Unable to start $exec_mgmtsrvr from `pwd`"
  exit 1
fi

cat `find "$fs_ndb" -name 'ndb_*.pid'` > "$fs_ndb/$pidfile"

# Start database node 

echo "Starting ndbd"
( cd "$fs_ndb" ; $exec_ndb -d $flags_ndb & )

cat `find "$fs_ndb" -name 'ndb_*.pid'` > "$fs_ndb/$pidfile"

# Start database node 

echo "Starting ndbd"
( cd "$fs_ndb" ; $exec_ndb -d $flags_ndb & )

cat `find "$fs_ndb" -name 'ndb_*.pid'` > "$fs_ndb/$pidfile"

# test if Ndb Cluster starts properly

echo "Waiting for started..."
if ( $exec_waiter ) | grep "NDBT_ProgramExit: 0 - OK"; then :; else
  echo "Ndbcluster startup failed"
  exit 1
fi

cat `find "$fs_ndb" -name 'ndb_*.pid'` > $fs_ndb/$pidfile

status_ndbcluster
}

status_ndbcluster() {
  # Start management client
  echo "show" | $exec_mgmtclient
}

stop_default_ndbcluster() {

#if [ ! -f $pidfile ] ; then
#  exit 0
#fi

#if [ ! -f $cfgfile ] ; then
#  echo "$cfgfile missing"
#  exit 1
#fi

# Start management client

exec_mgmtclient="$exec_mgmtclient --try-reconnect=1"

echo "all stop" | $exec_mgmtclient 2>&1 | cat > /dev/null

if [ -f "$fs_ndb/$pidfile" ] ; then
  kill -9 `cat "$fs_ndb/$pidfile"` 2> /dev/null
  rm "$fs_ndb/$pidfile"
fi

}

if [ $status_ndb ] ; then
  status_ndbcluster
  exit 0
fi

if [ $stop_ndb ] ; then
  stop_default_ndbcluster
else
  start_default_ndbcluster
fi

exit 0