#!/bin/bash
#
# Copyright (C) 2009 Red Hat, Inc.
# Copyright (c) 2000-2002,2006 Silicon Graphics, Inc.  All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#
# Control script for QA
#

tmp=/tmp/$$
status=0
needwrap=true
try=0
n_bad=0
bad=""
notrun=""
interrupt=true

# by default don't output timestamps
timestamp=${TIMESTAMP:=false}

# generic initialization
iam=check

# we need common.config
if ! . ./common.config
then
    echo "$iam: failed to source common.config"
    exit 1
fi

# we need common.rc
if ! . ./common.rc
then
    echo "check: failed to source common.rc"
    exit 1
fi

# we need common
. ./common

#if [ `id -u` -ne 0 ]
#then
#    echo "check: QA must be run as root"
#    exit 1
#fi

_wallclock()
{
    date "+%H %M %S" | $AWK_PROG '{ print $1*3600 + $2*60 + $3 }'
}

_timestamp()
{
    now=`date "+%T"`
    echo -n " [$now]"
}

_wrapup()
{
    # for hangcheck ...
    # remove files that were used by hangcheck
    #
    [ -f /tmp/check.pid ] && rm -rf /tmp/check.pid
    [ -f /tmp/check.sts ] && rm -rf /tmp/check.sts

    if $showme
    then
        :
    elif $needwrap
    then
        if [ -f check.time -a -f $tmp.time ]
        then
            cat check.time $tmp.time \
            | $AWK_PROG '
        { t[$1] = $2 }
END        { if (NR > 0) {
            for (i in t) print i " " t[i]
          }
        }' \
            | sort -n >$tmp.out
            mv $tmp.out check.time
        fi

        if [ -f $tmp.expunged ]
        then
            notrun=`wc -l <$tmp.expunged | sed -e 's/  *//g'`
            try=`expr $try - $notrun`
            list=`echo "$list" | sed -f $tmp.expunged`
        fi

        echo "" >>check.log
        date >>check.log
        echo $list | fmt | sed -e 's/^/    /' >>check.log
        $interrupt && echo "Interrupted!" >>check.log

        if [ ! -z "$notrun" ]
        then
            echo "Not run:$notrun"
            echo "Not run:$notrun" >>check.log
        fi
        if [ ! -z "$n_bad" -a $n_bad != 0 ]
        then
            echo "Failures:$bad"
            echo "Failed $n_bad of $try tests"
            echo "Failures:$bad" | fmt >>check.log
            echo "Failed $n_bad of $try tests" >>check.log
        else
            echo "Passed all $try tests"
            echo "Passed all $try tests" >>check.log
        fi
        needwrap=false
    fi

    rm -f /tmp/*.out /tmp/*.err /tmp/*.time
    rm -f /tmp/check.pid /tmp/check.sts
    rm -f $tmp.*
}

trap "_wrapup; exit \$status" 0 1 2 3 15

# for hangcheck ...
# Save pid of check in a well known place, so that hangcheck can be sure it
# has the right pid (getting the pid from ps output is not reliable enough).
#
rm -rf /tmp/check.pid
echo $$ >/tmp/check.pid

# for hangcheck ...
# Save the status of check in a well known place, so that hangcheck can be
# sure to know where check is up to (getting test number from ps output is
# not reliable enough since the trace stuff has been introduced).
#
rm -rf /tmp/check.sts
echo "preamble" >/tmp/check.sts

# don't leave old full output behind on a clean run
rm -f check.full

[ -f check.time ] || touch check.time

FULL_IMGFMT_DETAILS=`_full_imgfmt_details`
FULL_IMGPROTO_DETAILS=`_full_imgproto_details`
FULL_HOST_DETAILS=`_full_platform_details`
#FULL_MKFS_OPTIONS=`_scratch_mkfs_options`
#FULL_MOUNT_OPTIONS=`_scratch_mount_options`

cat <<EOF
QEMU          -- $QEMU
QEMU_IMG      -- $QEMU_IMG
QEMU_IO       -- $QEMU_IO
IMGFMT        -- $FULL_IMGFMT_DETAILS
IMGPROTO      -- $FULL_IMGPROTO_DETAILS
PLATFORM      -- $FULL_HOST_DETAILS

EOF
#MKFS_OPTIONS  -- $FULL_MKFS_OPTIONS
#MOUNT_OPTIONS -- $FULL_MOUNT_OPTIONS

seq="check"

[ -n "$TESTS_REMAINING_LOG" ] && echo $list > $TESTS_REMAINING_LOG

for seq in $list
do
    err=false
    echo -n "$seq"
    if [ -n "$TESTS_REMAINING_LOG" ] ; then
        sed -e "s/$seq//" -e 's/  / /' -e 's/^ *//' $TESTS_REMAINING_LOG > $TESTS_REMAINING_LOG.tmp
        mv $TESTS_REMAINING_LOG.tmp $TESTS_REMAINING_LOG
        sync
    fi

    if $showme
    then
        echo
        continue
    elif [ -f expunged ] && $expunge && egrep "^$seq([         ]|\$)" expunged >/dev/null
    then
        echo " - expunged"
        rm -f $seq.out.bad
        echo "/^$seq\$/d" >>$tmp.expunged
    elif [ ! -f $seq ]
    then
        echo " - no such test?"
        echo "/^$seq\$/d" >>$tmp.expunged
    else
        # really going to try and run this one
        #
        rm -f $seq.out.bad
        lasttime=`sed -n -e "/^$seq /s/.* //p" <check.time`
        if [ "X$lasttime" != X ]; then
                echo -n " ${lasttime}s ..."
        else
                echo -n "        "        # prettier output with timestamps.
        fi
        rm -f core $seq.notrun

        # for hangcheck ...
        echo "$seq" >/tmp/check.sts

        start=`_wallclock`
        $timestamp && echo -n "        ["`date "+%T"`"]"
        [ ! -x $seq ] && chmod u+x $seq # ensure we can run it
        MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
                ./$seq >$tmp.out 2>&1
        sts=$?
        $timestamp && _timestamp
        stop=`_wallclock`

        if [ -f core ]
        then
            echo -n " [dumped core]"
            mv core $seq.core
            err=true
        fi

        if [ -f $seq.notrun ]
        then
            $timestamp || echo -n " [not run] "
            $timestamp && echo " [not run]" && echo -n "        $seq -- "
            cat $seq.notrun
            notrun="$notrun $seq"
        else
            if [ $sts -ne 0 ]
            then
                echo -n " [failed, exit status $sts]"
                err=true
            fi

            reference=$seq.out
            if (echo $QEMU_IO_OPTIONS | grep -s -- '--nocache' > /dev/null); then
                [ -f $seq.out.nocache ] && reference=$seq.out.nocache
            fi

            if [ ! -f $reference ]
            then
                echo " - no qualified output"
                err=true
            else
                if diff -w $reference $tmp.out >/dev/null 2>&1
                then
                    echo ""
                    if $err
                    then
                        :
                    else
                        echo "$seq `expr $stop - $start`" >>$tmp.time
                    fi
                else
                    echo " - output mismatch (see $seq.out.bad)"
                    mv $tmp.out $seq.out.bad
                    $diff -w $reference $seq.out.bad
                    err=true
                fi
            fi
        fi

    fi

    # come here for each test, except when $showme is true
    #
    if $err
    then
        bad="$bad $seq"
        n_bad=`expr $n_bad + 1`
        quick=false
    fi
    [ -f $seq.notrun ] || try=`expr $try + 1`

    seq="after_$seq"
done

interrupt=false
status=`expr $n_bad`
exit