#!/bin/sh -e

TIZEN_SDK_INSTALL_PATH=`echo $INSTALLED_PATH`
OLD_SHMMAXSIZE=`sysctl -n kern.sysv.shmmax`
COCOASUDOPATH="./cocoasudo"
SYSCTL_FILE=sysctl.conf
TMP_DIR=~/.installmanager
TIZEN_BIN_PATH=$TIZEN_SDK_INSTALL_PATH/tools/emulator/bin
#TIZEN_BIN_PATH=./
TMP_FILE=$TMP_DIR/setshmmax.sh
NEW_SHMMAXSIZE=83886080

if [ -z $TIZEN_SDK_INSTALL_PATH ]
then
   echo "There is no TIZEN_SDK_PATH ENV" >> /tmp/emulator.log
#   exit 2;
fi

function remove_tmp_file {
    if [ -e $TMP_FILE ]
    then
            echo 'delete ~/tmp/setshmmax.sh'
	        rm -f $TMP_FILE
    fi
}

function remove_sysctl_file { 
    if [ -e $TMP_DIR/$SYSCTL_FILE ]
    then
        echo 'delete ~/tmp/sysctl.conf'
	    rm -f $TMP_DIR/$SYSCTL_FILE
    fi
}

function makesysctl {
    echo 'make new sysctl.conf file to change'

    if [ ! -d $TMP_DIR ]
    then
            mkdir $TMP_DIR
    fi

    remove_sysctl_file;

    echo "kern.sysv.shmmax=83886080" >> $TMP_DIR/$SYSCTL_FILE
    echo "kern.sysv.shmmin=1" >> $TMP_DIR/$SYSCTL_FILE
    echo "kern.sysv.shmmni=128" >> $TMP_DIR/$SYSCTL_FILE
    echo "kern.sysv.shmseg=32" >> $TMP_DIR/$SYSCTL_FILE
    echo "kern.sysv.shmall=20480" >> $TMP_DIR/$SYSCTL_FILE

}

if [ $OLD_SHMMAXSIZE -lt $NEW_SHMMAXSIZE ] 
then
	if [ -e /etc/$SYSCTL_FILE ]
	then
            remove_tmp_file;
            makesysctl;
            echo "mv -f /etc/sysctl.conf /etc/sysctl.conf.old" >> $TMP_FILE
		    echo "cp -f $TMP_DIR/$SYSCTL_FILE /etc/." >> $TMP_FILE
		    echo "sysctl -w kern.sysv.shmmax=$NEW_SHMMAXSIZE" >> $TMP_FILE
		    chmod +x $TMP_FILE
		    $TIZEN_BIN_PATH/cocoasudo "--prompt=Changing /etc/sysctl.conf file requires that you type your password.(The original file will be removed to sysctl.conf.old)" sh -x $TMP_FILE
	else
            remove_tmp_file;
            makesysctl;
		    echo "cp -f $TMP_DIR/$SYSCTL_FILE /etc/." >> $TMP_FILE
		    echo "sysctl -w kern.sysv.shmmax=$NEW_SHMMAXSIZE" >> $TMP_FILE
		    chmod +x $TMP_FILE
		    $TIZEN_BIN_PATH/cocoasudo "--prompt=Make a new /etc/sysctl.conf file requires that you type your password." sh -x $TMP_FILE	
	fi
fi

remove_tmp_file;
remove_sysctl_file;

CURRENT_SHMMAXSIZE=`sysctl -n kern.sysv.shmmax`

if [ ! $OLD_SHMMAXSIZE -eq $CURRENT_SHMMAXSIZE ]
then
		
	echo 'need reboot'
	exit 99
fi