#!/bin/bash

function geo_rep_checkpoint_status()
{
    echo "Verifying the sync status using geo-rep checkpoint" >> $LOG_FILE
    local timeout=300
    local temp_status="NOTOK"
    echo  "setting the checkpoint" >> $LOG_FILE

    $CLI volume geo-rep $GMV0 $H0::$GSV0 config checkpoint now >> $LOG_FILE 2>&1

# There is a bug, where in after checkpoint set, geo-rep status still
# shows the old data for the first execution of geo-rep status. Running
#geo-rep status to clear that.
    $CLI volume geo-replication  $GMV0 $H0::$GSV0 status >> $LOG_FILE 2>&1

    while [ $timeout -gt 0 ] && [ $temp_status == "NOTOK" ];
    do
	$CLI volume geo-replication $GMV0 $H0::$GSV0 status | \
	egrep -i "not reached yet" 2>&1 >/dev/null
	test $? -ne 0 && temp_status="completed"
	echo "Waiting for the files to sync ..." >> $LOG_FILE
	sleep 20
	timeout=`expr $timeout - 20`
	echo "temp_status is $temp_status" >> $LOG_FILE
	echo "geo-rep status output:" >> $LOG_FILE
	$CLI volume geo-replication $GMV0 $H0::$GSV0 status detail >> \
	    $LOG_FILE 2>&1

    done

    echo "resetting the geo-rep checkpoint" >> $LOG_FILE
    $CLI volume geo-rep $GMV0 $H0::$GSV0 config \!checkpoint  >> $LOG_FILE 2>&1

    if test $temp_status = "completed" ; then
	echo "geo-rep checkpoint has completed" >> $LOG_FILE
	return 0
    elif test $temp_status = "NOTOK" ; then
	echo "geo-rep checkpoint has failed to complete within 300 seconds" >> \
	    $LOG_FILE
	return 1
    fi
}



function geo_rep_arequal_status()
{

    echo "Verifying the sync status using arequal" >> $LOG_FILE
    local timeout=300
    local temp_status="NOTOK"
    local comp_arequal="$(dirname $0)/compare-arequal.py"

    while [ $timeout -gt 0 ] && [ $temp_status == "NOTOK" ];
    do
	echo "Waiting for the files to sync ..." >> $LOG_FILE
	sleep 20
	timeout=`expr $timeout - 20`

	echo  "calculating and comparing arequal checksum between $GMV0 and \
$GSV0 " >> $LOG_FILE
	$PYTHON $comp_arequal $H0::$GMV0 $H0::$GSV0 >> $LOG_FILE 2>&1

	local ret=$?
	# There is a bug, where sometimes metadata checksum of directories
	# and regular files don't match. This is to avoid that for now.
	if [[ $ret -eq 0 || $ret -eq 67 || $ret -eq 68 ]] ;then
	    temp_status="completed"
	fi

    done

    if test $temp_status = "completed" ; then
	echo "checksum between master and slave match " >> $LOG_FILE
	return 0
    elif test $temp_status = "NOTOK" ; then
	echo "checksum between master and slave doesn't match" >> $LOG_FILE
	return 1
    fi
}


function geo_rep_filecount_status()
{

    echo "Verifying the sync status through files count" >> $LOG_FILE
    local timeout=300
    local temp_status="NOTOK"
    local comp_arequal="$(dirname $0)/compare-arequal.py"

    while [ $timeout -gt 0 ] && [ $temp_status == "NOTOK" ];
    do
	echo "Waiting for the files to sync ..." >> $LOG_FILE
	sleep 20
	timeout=`expr $timeout - 20`

	echo  "calculating and comparing files count  between $GMV0 and \
$GSV0 " >> $LOG_FILE
	$PYTHON $comp_arequal -c "find" $H0::$GMV0 $H0::$GSV0 >> $LOG_FILE 2>&1

	if [ $? -eq 0 ];then
	    temp_status="completed"
	fi

    done

    if test $temp_status = "completed" ; then
	echo "files count  between master and slave match " >> $LOG_FILE
	return 0
    elif test $temp_status = "NOTOK" ; then
	echo "files count between master and slave doesn't match" >> $LOG_FILE
	return 1
    fi
}



function check_status_arequal()
{
# checkpoint is failing to reach even though all the files got synced in the latest build.
# Hence not using checkpoint to check for sync status.
#    geo_rep_checkpoint_status
    local comp_arequal="$(dirname $0)/compare-arequal.py"
    local comp_gfid="$(dirname $0)/compare-gfid.py"

    geo_rep_filecount_status

    geo_rep_arequal_status

    echo  "calculating and comparing gfids between $GMV0 and $GSV0 " \
	>> $LOG_FILE
    $PYTHON  $comp_gfid $H0::$GMV0 $H0::$GSV0 >> $LOG_FILE 2>&1

    if [ $? != 0 ]; then
	return 1
    else
	echo "gfids between master and slave match" >> $LOG_FILE
    fi

    echo  "calculating and comparing arequal checksum between $GMV0 and $GSV0 " \
	>> $LOG_FILE
    $PYTHON $comp_arequal $H0::$GMV0 $H0::$GSV0 >> $LOG_FILE 2>&1

    local rett=$?

    if [[ $rett -eq 0 || $rett -eq 67 || $rett -eq 68 ]] ;then
	reta=0
    else
	reta=1
    fi

    return $reta

}




function create_data()
{
    fop=$1
    MNT_PNT=$2
    create_data="$(dirname $0)/../utils/create-files.py"

    if [ $DIR_STR == "MULTI" ];then

	$PYTHON $create_data -n $nf --multi -b 10 -d 10 --random --max=2K \
	    --min=1K -t $FILE_TYPE --fop=$fop $MNT_PNT >> $LOG_FILE 2>&1

    elif [ $DIR_STR == "SINGLE" ];then

	$PYTHON $create_data -n $ns --random --max=2K --min=1K -t $FILE_TYPE \
	    --fop=$fop $MNT_PNT >> $LOG_FILE 2>&1

    else

	echo "Wrong option for the create-files" >> $LOG_FILE

    fi

}


function result()
{

local ret=$1
local test=$2
if [ $ret -ne 0 ]; then
    echo -e "\n[ FAIL ] : $test has failed" >> $LOG_FILE
    exit 1
else
    echo -e "\n[ PASS ] : $test has passed" >> $LOG_FILE
fi

}


## hybrid crawl test-cases

function hybrid_mode_test()
{
    local FOP=$1
    local MNT_PNT=$2
    echo -e "\n:::::::::::::::::::::::" >> $LOG_FILE
    echo "Start of hybrid-mode-$DIR_STR-$FILE_TYPE-$FOP-test with \
$MNT_PNT client" >> $LOG_FILE
    echo -e ":::::::::::::::::::::::\n" >> $LOG_FILE

    local ret=0
    echo "stopping geo-rep session before creating data" >> $LOG_FILE

    $CLI volume geo-rep $GMV0 $H0::$GSV0 stop force >> $LOG_FILE 2>&1

    if [ $? -ne 0 ]; then
	echo "stopping geo-rep session has failed" >> $LOG_FILE
	return 1
    fi

    create_data $FOP $MNT_PNT

    $CLI volume geo-rep $GMV0 $H0::$GSV0 start >> $LOG_FILE 2>&1

    if [ $? -ne 0 ]; then
	echo "starting geo-rep session has failed" >> $LOG_FILE
	return 1
    fi

    check_status_arequal

    if [ $? -ne 0 ]; then
	ret=1
    fi

    result $ret "hybrid-mode-$DIR_STR-$FILE_TYPE-$FOP-test with $CLIENT client"

    return $ret

}

#### Changelog based test-cases

function changelog_mode_test()
{
    local FOP=$1
    local MNT_PNT=$2
    echo -e "\n:::::::::::::::::::::::" >> $LOG_FILE
    echo "Start of changelog-mode-$DIR_STR-$FILE_TYPE-$FOP-test with \
$MNT_PNT client" >> $LOG_FILE
    echo -e ":::::::::::::::::::::::\n" >> $LOG_FILE

    local ret=0

    create_data $FOP $MNT_PNT

    check_status_arequal

    if [ $? -ne 0 ]; then
	ret=1
    fi

    result $ret "basic-changelog-$DIR_STR-$FILE_TYPE-$FOP-test with $CLIENT \
client"

    return $ret
}


function changelog_mode_remove_test()
{
    MNT_PNT=$1

    echo -e "\n:::::::::::::::::::::::" >> $LOG_FILE
    echo "Start of changelog-mode-$DIR_STR-$FILE_TYPE-remove-test with \
$MNT_PNT client" >> $LOG_FILE
    echo -e ":::::::::::::::::::::::\n" >> $LOG_FILE

    local ret=0

    if [ ! -z $MNT_PNT ]; then
	rm -rvf $MNT_PNT >> $LOG_FILE
    else
	echo "Value of MNT_PNT is NULL" >> $LOG_FILE
    fi

    check_status_arequal
    if [ $? -ne 0 ]; then
	ret=1
    fi

    result $ret "chnagelog-mode-$DIR_STR-$FILE_TYPE-remove-test with \
$MNT_PNT client"

    return $ret
}