#!/usr/sbin/perl
#
# Copyright (c) 2001 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, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#

sub setup()
{
    $PATH="$PATH:/usr/local/bin/ptools:/sbin:/usr/sbin";
    $DISPLAY="clouds:0";
    
    if ("$HOST" eq "bruce") {
        $TOOLS="/home/dxm/isms/slinx-xfs/cmd/xfs/tools";
        $SCRATCH_DEV="/dev/sdf1";
        $SCRATCH_MNT="/mnt/xfs3";
        $MKFS="/sbin/mkfs -t xfs -f";
        $SUDO="/home/dxm/su -c";
        $MOUNT="/bin/mount -t xfs";
        $UMOUNT="/bin/umount";
        $MKFS_EXTRA="-f";
    } elsif ("$HOST" eq "whack") {
        $TOOLS="/hosts/snort/build1/people/dxm/isms/slinx-xfs/cmd/xfs/tools";
        $SCRATCH_DEV="/dev/dsk/20000080e5114459/lun2s0/c2p1";
        $SCRATCH_MNT="/lun2";
        $MKFS="/sbin/mkfs";
        $SUDO="su root -c";
        $MOUNT="/sbin/mount -t xfs";
        $UMOUNT="/sbin/umount";
        $MKFS_EXTRA="";
    } else {
        die "unconfigured host \"$HOST\"\n"
    }
}

sub run_no_check(@)
{
    system(@_);
}

sub run(@)
{
    system(@_)  == 0
        || die "ERROR \"" . join(" ",@_) . "\" returned error\n";
}

sub run_expect_fail(@)
{
    system(@_)  == 0
        && die "ERROR \"" . join(" ",@_) . "\" returned non-error\n";
}

sub umount_no_check()
{
    run_no_check("umount $SCRATCH_DEV");
}

sub umount()
{
    run("umount $SCRATCH_DEV");
}

sub mount($)
{
    my ($ops)=@_;
    run("mount -t xfs $ops $SCRATCH_DEV $SCRATCH_MNT");
}

chomp($HOST=`hostname -s`);

die "usage: $ARGV0 <operation> [parameters]\n" unless (scalar(@ARGV));
print "*** $HOST: Interop started\n";
print "    *** ", join(" ", @ARGV), "\n";

setup();

$op=shift(@ARGV);

umount_no_check();

if ($op eq "init") {

    run("mkfs -t xfs $MKFS_EXTRA $SCRATCH_DEV");
    
} elsif ($op eq "test") {

    run("xfs_repair -n $SCRATCH_DEV");
    
} elsif ($op eq "easy") {

    mount("");
    system("mount");
    mkdir("$SCRATCH_MNT/fish",0777);
    
} elsif ($op eq "check") {

    mount("-o ro");
    system("cd $SCRATCH_MNT ; $TOOLS/fs-walk .");

} else {
    die "unknown operation \"$op\"\n";
}

umount_no_check();