#!/usr/bin/perl
+#
+# This code is issued under the GNU General Public License.
+# See the file COPYING in this distribution
+#
+# Copyright (C) 1998, Stelias Computing
+#
+# Modified for InterMezzo from Gordian's HSM bcache device/jcm module
+# Copyright (C) 1999, Carnegie Mellon University
+#
+# Derived from InterMezzo's incontrol, modified for OBD's
+# Copyright (C) 1999, Stelias Computing
+#
+#
+
#use strict;
BEGIN { require "asm/errno.ph" };
BEGIN { require "asm/ioctl.ph" };
defined(&OBD_IOC_CREATE);
eval 'sub OBD_IOC_SETUP () { &_IOC(1, ord(\'f\'), 4, 4);}' unless
defined(&OBD_IOC_SETUP);
-eval 'sub OBD_IOC_SYNC () { &_IOC(2, ord(\'f\'), 5, 4);}' unless
- defined(&OBD_IOC_SYNC);
+eval 'sub OBD_IOC_CLEANUP () { &_IOC(0, ord(\'f\'), 5, 0);}' unless
+ defined(&OBD_IOC_CLEANUP);
eval 'sub OBD_IOC_DESTROY () { &_IOC(1, ord(\'f\'), 6, 4);}' unless
defined(&OBD_IOC_DESTROY);
eval 'sub OBD_IOC_PREALLOCATE () { &_IOC(3, ord(\'f\'), 7, 4);}' unless
defined(&OBD_IOC_DISCONNECT);
eval 'sub OBD_IOC_STATFS () { &_IOC(3, ord(\'f\'), 15, 4);}' unless
defined(&OBD_IOC_STATFS);
+eval 'sub OBD_IOC_SYNC () { &_IOC(2, ord(\'f\'), 16, 4);}' unless
+ defined(&OBD_IOC_SYNC);
+eval 'sub OBD_IOC_READ2 () { &_IOC(3, ord(\'f\'), 17, 4);}' unless
+ defined(&OBD_IOC_READ2);
+eval 'sub OBD_IOC_FORMATOBD () { &_IOC(3, ord(\'f\'), 18, 4);}' unless
+ defined(&OBD_IOC_FORMATOBD);
+eval 'sub OBD_IOC_PARTITION () { &_IOC(3, ord(\'f\'), 19, 4);}' unless
+ defined(&OBD_IOC_PARTITION);
+eval 'sub OBD_IOC_ATTACH () { &_IOC(3, ord(\'f\'), 20, 4);}' unless
+ defined(&OBD_IOC_ATTACH);
+eval 'sub OBD_IOC_DETACH () { &_IOC(3, ord(\'f\'), 21, 4);}' unless
+ defined(&OBD_IOC_DETACH);
+eval 'sub OBD_IOC_COPY () { &_IOC(3, ord(\'f\'), 22, 4);}' unless
+ defined(&OBD_IOC_COPY);
+eval 'sub OBD_IOC_MIGR () { &_IOC(3, ord(\'f\'), 23, 4);}' unless
+ defined(&OBD_IOC_MIGR);
+eval 'sub OBD_SNAP_SETTABLE () { &_IOC(3, ord(\'f\'), 40, 4);}' unless
+ defined(&OBD_SNAP_SETTABLE);
+eval 'sub OBD_SNAP_PRINTTABLE () { &_IOC(3, ord(\'f\'), 41, 4);}' unless
+ defined(&OBD_SNAP_PRINTTABLE);
+
+eval 'sub OBD_SNAP_RUNIT () { &_IOC(3, ord(\'f\'), 42, 4);}' unless
+ defined(&OBD_SNAP_RUNIT);
+eval 'sub OBD_EXT2_RUNIT () { &_IOC(3, ord(\'f\'), 61, 4);}' unless
+ defined(&OBD_EXT2_RUNIT);
eval 'sub ATTR_MODE () {1;}' unless defined(&ATTR_MODE);
eval 'sub ATTR_UID () {2;}' unless defined(&ATTR_UID);
use Term::ReadLine;
use IO::Handle;
-my ($device, $filesystem);
-# startup options (I'll replace these when I have some to replace with)
-GetOptions("device=s" => \$device, "fs=s" => $filesystem) || die "Getoptions";
-$device = "/dev/obd" unless $device;
-$filesystem = "/dev/loop0" unless $filesystem;
+my ($file);
-# get a console for the app
-my $term = new Term::ReadLine 'obdcontrol ';
-my $attribs = $term->Attribs;
-$term->ornaments('md,me,,'); # bold face prompt
+GetOptions("f!" => \$file, "device=s" => \$::device, "fs=s" => $::filesystem) || die "Getoptions";
-# make sure stdout is not buffered
-STDOUT->autoflush(1);
+
+# get a console for the app
my $line;
my $command;
my $arg;
my %commands =
- ('create' => {func => "Create", doc => "create: creates a new inode"},
- 'setup' => {func => "Setup", doc => "setup: initializes the environment"},
+ ('device' => {func => "Device", doc => "device <dev>: open another OBD device"},
+ 'filesystem' => {func => "Filesystem", doc => "filesystem <dev>: partition for direct OBD device"},
+ 'create' => {func => "Create", doc => "create: creates a new inode"},
+ 'attach' => {func => "Attach", doc => "attach type [adapter bus tid lun]"},
+ 'detach' => {func => "Detach", doc => "detach this device"},
+ 'snapattach' => {func => "SnapAttach", doc => "snapattach snapno table"},
+ 'snapset' => {func => "SnapSetTable", doc => "snapset tableno file" },
+ 'snapprint' => {func => "SnapPrint", doc => "snapprint tableno"},
+
+ 'testext2iterator' => {func => "TestExt2Iterator", doc => ""},
+ 'testsnapiterator' => {func => "TestSnapIterator", doc => ""},
+
+ 'snaptable' => {func => "SnapShotTable", doc => "snaptable: build a snapshot table (interactive)"},
+ 'copy' => {func => "Copy", doc => "copy srcid tgtid"},
+ 'migrate' => {func => "Migrate", doc => "migrate srcid tgtid"},
+ 'format' => {func => "Format", doc => "format type adapter bus tid lun size"},
+ 'partition' => {func => "Partition", doc => "partition type adapter bus tid lun partition size"},
+ 'setup' => {func => "Setup", doc => "setup: link the ext2 partition (default /dev/loop0) to this obddev"},
'connect' => {func => "Connect", doc => "connect: allocates client ID for this session"},
'disconnect' => {func => "Disconnect", doc => "disconnect [id]: frees client resources"},
'sync' => {func => "Sync", doc => "sync: flushes buffers to disk"},
'destroy' => {func => "Destroy", doc => "setup: destroys an inode"},
+ 'cleanup' => {func => "Cleanup", doc => "cleanup the minor obd device"},
'dec_use_count' => {func => "Decusecount", doc => "decreases the module use count so that the module can be removed following an oops"},
'read' => {func => "Read", doc => "read <inode> <count> [offset]"},
+ 'fsread' => {func => "Read2", doc => "read <inode> <count> [offset]"},
'write' => {func => "Write", doc => "write <inode> <offset> <text>"},
- 'setattr' => {func => "Setattr", doc => "setattr [mode [uid [gid [size [atime [mtime [ctime]]]]]]]"},
- 'getattr' => {func => "Getattr", doc => "getattr [inode]: displays inode object attributes"},
+ 'setattr' => {func => "Setattr", doc => "setattr <inode> [mode [uid [gid [size [atime [mtime [ctime]]]]]]]"},
+ 'getattr' => {func => "Getattr", doc => "getattr <inode>: displays inode object attributes"},
'preallocate' => {func => "Preallocate", doc => "preallocate [num]: requests preallocation of num inodes."},
'statfs' => {func => "Statfs", doc => "statfs: filesystem status information"},
'help' => {func => \&Help, doc => "help: this message"},
#
my @jcm_cmd_list = keys %commands;
-$attribs->{attempted_completion_function} = \&completeme;
-#------------------------------------------------------------------------------
-# Open the device, as we need an FD for the ioctl
-sysopen(DEV_OBD, $device, 0);
+my $term, $attribs;
+
+
+# Get going....
-if (!defined($::st = stat($filesystem))) {
- die "Unable to stat $filesystem.\n";
+Device($::device);
+Filesystem($::filesystem);
+
+sub readl {
+ if ( $file ) {
+ my $str = <STDIN>;
+ chop($str);
+ return $str;
+ } else {
+ return $term->readline(@_);
+ }
}
-# Get on with the show
-process_line();
+
+
+if ( $file ) {
+ while ( <STDIN> ) {
+ print $_;
+ execute_line($_);
+ }
+ exit 0;
+} else {
+ $term = new Term::ReadLine 'obdcontrol ';
+ $attribs = $term->Attribs;
+ $attribs->{attempted_completion_function} = \&completeme;
+ $term->ornaments('md,me,,'); # bold face prompt
+
+ # make sure stdout is not buffered
+ STDOUT->autoflush(1);
+
+
+ # Get on with the show
+ process_line();
+}
#------------------------------------------------------------------------------
sub completeme {
my @arg = split(' ', $line);
my $word = shift @arg;
- my $cmd = find_command($word);
+ my $cmd;
+ if ( $file ) {
+ $cmd = $word;
+ } else {
+ $cmd = find_command($word);
+ }
unless ($cmd) {
printf STDERR "$word: No such command, or not unique.\n";
return (-1);
return (&{$commands{$cmd}->{func}}(@arg));
}
+# set the object store in the ext2 formatted block device
+sub Filesystem {
+ my $filesystem = shift;
+ $filesystem = "/dev/loop0" unless $filesystem;
+
+ $::filesystem = $filesystem;
+ if (!defined($::st = stat($filesystem))) {
+ die "Unable to stat $filesystem.\n";
+ }
+}
+
+# select the OBD device we talk to
+sub Device {
+ my $device = shift;
+
+ if (! $device ) {
+ $device = "/dev/obd0";
+ }
+ $::device = $device;
+ # Open the device, as we need an FD for the ioctl
+ sysopen(DEV_OBD, $device, 0) || die "Cannot open $device";
+ print "Device now $device\n";
+}
+
+
+
+sub Attach {
+ my $err = 0;
+ my $type = shift;
+ my $data;
+ my $datalen = 0;
+
+ if ($type eq "obdscsi" ) {
+ my $adapter = shift;
+ my $bus = shift;
+ my $tid = shift;
+ my $lun = shift;
+ $data = pack("iiiii", $adapter, $bus, $tid, $lun, $size);
+ $datalen = 4 * 4;
+ }
+
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_ATTACH, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+sub Detach {
+ my $err = 0;
+ my $data = "";
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_DETACH, $data);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
+sub TestExt2Iterator {
+ my $err = 0;
+ my $type = "ext2_obd";
+
+ $data = pack("i", 4711); # bogus data
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ my $add = pack("p", $data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ my $rc = ioctl(DEV_OBD, &OBD_EXT2_RUNIT, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
+sub TestSnapIterator {
+ my $err = 0;
+ my $type = "snap_obd";
+
+ $data = pack("i", 4711); # bogus data
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ my $add = pack("p", $data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ my $rc = ioctl(DEV_OBD, &OBD_SNAP_RUNIT, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
+sub SnapPrint {
+ my $err = 0;
+ my $type = "snap_obd";
+ my $snaptableno = shift;
+
+ $data = pack("i", $snaptableno);
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ my $add = pack("p", $data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ my $rc = ioctl(DEV_OBD, &OBD_SNAP_PRINTTABLE, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+sub SnapSetTable {
+ my $err = 0;
+ my $type = "snap_obd";
+ my $snaptableno = shift;
+ my $file = shift;
+ my $snapcount;
+ my $table = {};
+ my $data;
+ my $datalen = 0;
+
+ if ( ! -f $file ) {
+ print "No such file $file\n";
+ }
+
+ $table = ReadSnapShotTable($file);
+
+ $snapcount = keys %{$table};
+ print "Snapcount $snapcount\n";
+
+ if ( ! defined $table->{0} ) {
+ print "No current snapshot in table! First make one\n";
+ return ;
+ }
+ $data = pack("ii", $snaptableno, $snapcount);
+ $datalen = 2 * 4;
+ foreach my $time (sort keys %{$table}) {
+ $data .= pack("Ii", $time, $table->{$time});
+ $datalen += 8;
+ }
+
+ my $len = length($type);
+ my $cl = length($data);
+ my $add = pack("p", $data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ my $rc = ioctl(DEV_OBD, &OBD_SNAP_SETTABLE, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
+sub SnapAttach {
+ my $err = 0;
+ my $type = "snap_obd";
+ my $snapdev = shift;
+ my $snapno = shift;
+ my $tableno = shift;
+ my $snapcount;
+ my $data;
+ my $datalen = 0;
+
+ $data = pack("iii", $snapdev, $snapno, $tableno);
+ $datalen = 3 * 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ my $add = pack("p", $data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_ATTACH, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
+sub SnapShotTable {
+
+ my $file = &readl("enter file name: ");
+ if ( ! -f $file ) {
+ `touch $file`;
+ }
+ my $table = ReadSnapShotTable($file);
+
+ again:
+ PrintSnapShotTable($table);
+ my $action = &readl("Add, Delete or Quit [adq]: ");
+ goto done if ($action =~ "^q.*" );
+ goto add if ($action =~ "^a.*");
+ goto del if ($action =~ "^d.*");
+ goto again;
+
+ add:
+ my $idx = &readl("enter index where you want this snapshot: ");
+ my $time = &readl("enter time or 'now' or 'current': ");
+ my $oldtime = SnapFindTimeFromIdx($idx, $table);
+ if (defined $oldtime) {
+ print "This already exists, first clean up\n";
+ goto again;
+ }
+
+ if ( $time eq 'now' ) {
+ $time = time;
+ } elsif ( $time eq 'current' ) {
+ $time = 0;
+ }
+ $table->{$time} = $idx;
+ goto again;
+
+ del:
+ $didx = &readl("Enter index to delete: ");
+ my $deltime = SnapFindTimeFromIdx($didx, $table);
+ delete $table->{$deltime} if defined $deltime;
+ goto again;
+
+ done:
+ my $ok = &readl("OK with new table? [Yn]: ");
+ unless ( $ok eq "no" ) {
+ WriteSnapShotTable($file, $table);
+ }
+}
+
+sub SnapFindTimeFromIdx {
+ my $idx = shift;
+ my $table = shift;
+
+ foreach my $time ( keys %{$table} ) {
+ if ( $table->{$time} == $idx ) {
+ return $time;
+ }
+ }
+ undef;
+}
+
+sub PrintSnapShotTable {
+ my $table = shift;
+ my $time;
+
+ foreach $time ( sort keys %{$table} ) {
+ my $stime = localtime($time);
+ if ( ! $time ) {
+ $stime = "current";
+ }
+ printf "Time: %s -- Index %d\n", $stime, $table->{$time};
+ }
+}
+
+sub ReadSnapShotTable {
+
+ my $file = shift;
+ my $table = {};
+
+ open FH, "<$file";
+ while ( <FH> ) {
+ my ($time, $index) = split ;
+ $table->{$time} = $index;
+ }
+ close FH;
+
+ PrintSnapShotTable($table);
+
+ return $table;
+}
+
+sub WriteSnapShotTable {
+ my $file = shift;
+ my $table = shift;
+
+ open FH, ">$file";
+ foreach my $time ( sort keys %{$table} ) {
+ print FH "$time $table->{$time}\n";
+ }
+ close FH;
+}
+
+sub Copy {
+ my $err = 0;
+ my $srcid = shift;
+ my $tgtid = shift;
+ my $data = pack("III", $::client_id, $srcid, $tgtid);
+ my $datalen = 12;
+
+ my $packed = pack("ip", $datalen, $data);
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_COPY, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+sub Migrate {
+ my $err = 0;
+ my $srcid = shift;
+ my $tgtid = shift;
+ my $data = pack("III", $::client_id, $srcid, $tgtid);
+ my $datalen = 12;
+
+ my $packed = pack("ip", $datalen, $data);
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_MIGR, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
+sub Format {
+ my $err = 0;
+ my $size = shift;
+ my $data = pack("i", $size);
+ my $datalen = 4;
+
+ my $packed = pack("ip", $datalen, $data);
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_FORMATOBD, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+sub Partition {
+ my $err = 0;
+ my $partno = shift;
+ my $size = shift;
+ my $data = pack("ii", $partno, $size);
+ my $datalen = 2 * 4;
+
+ my $packed = pack("ip", $datalen, $data);
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_PARTITION, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
sub Setup {
my $err = 0;
- my $packed = pack("L", $::st->rdev());
+ my $type = shift;
+ my $data;
+ my $datalen = 0;
+
+ $type = "ext2_obd" unless $type;
+
+ if ( $type eq "ext2_obd" ) {
+ my $dev = shift;
+ $dev = $::st->rdev() unless $dev;
+ $data = pack("i", $dev);
+ $datalen = 4;
+ }
+
+ my $packed = pack("ip", $datalen, $data);
my $rc = ioctl(DEV_OBD, &OBD_IOC_SETUP, $packed);
if (!defined $rc) {
}
}
+sub Cleanup {
+ my $err = "0";
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_CLEANUP, $err);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ $::client_id = 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+
sub Connect {
- my $id = 0;
- my $ino = 0;
- my $bs = 0;
- my $bs_b = 0;
my $rc;
- # unsigned int conn_id;
- # unsigned long conn_ino;
- # unsigned long conn_blocksize;
- # unsigned char conn_blocksize_bits;
-
- my $packed = pack("ILLC", $id, $ino, $bs, $bs_b);
+ my $packed = "";
$rc = ioctl(DEV_OBD, &OBD_IOC_CONNECT, $packed);
- ($id, $ino, $bs, $bs_b) = unpack("ILLC", $packed);
+ $id = unpack("I", $packed);
if (!defined $rc) {
print STDERR "ioctl failed: $!\n";
} elsif ($rc eq "0 but true") {
$::client_id = $id;
print "Client ID : $id\n";
- print "Root inode : $ino\n";
- print "Blocksize : $bs\n";
- print "Blocksize bits: $bs_b\n";
print "Finished (success)\n";
} else {
print "ioctl returned error code $rc.\n";
my $arg = shift;
my $quiet = shift;
my $rc;
+ my $prealloc = 0;
if (defined($quiet) && !($quiet eq "quiet")) {
print "syntax: create [number of objects [quiet]]\n";
return;
}
- my $packed = pack("I", $::client_id);
+ my $packed = pack("IL", $::client_id, $prealloc);
if (!defined($arg) || scalar($arg) < 2) {
print "Creating 1 object...\n";
- my $packed = pack("I", 0);
$rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $packed);
if (!defined($quiet)) {
my $ino = unpack("L", $packed);
for ($i = 0; $i < scalar($arg); $i++) {
$rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $packed);
my $ino = unpack("L", $packed);
- if (!($rc eq "0 but true") || $packed == 0) {
+ if (!($rc eq "0 but true")) {
last;
+ $packed = pack("IL", $::client_id, $prealloc);
} elsif (!defined($quiet)) {
+ $packed = pack("IL", $::client_id, $prealloc);
print "Created object #$ino.\n";
}
}
}
sub Destroy {
- if (!defined($id)) {
- $id = $::client_id;
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return;
}
my $arg = shift;
($valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, $flags) =
unpack("ISssx2lLLLI", $packed);
- printf("Inode: %d Mode: %04d\n", $inode, $mode);
+ printf("Inode: %d Mode: %o\n", $inode, $mode);
printf("User: %6d Group: %6d Size: %d\n", $uid, $gid, $size);
printf("ctime: %08lx -- %s\n", $ctime, scalar(gmtime($ctime)));
printf("atime: %08lx -- %s\n", $atime, scalar(gmtime($atime)));
my $inode = shift;
my $valid = 0;
- my $mode = shift;
+ my $mode = oct(shift);
my $uid = shift;
my $gid = shift;
my $size = shift;
# time_t ia_ctime; (32)
# unsigned int ia_attr_flags; (32)
#};
+
+ printf "valid is %x, mode is %o\n", $valid, $mode;
my $packed = pack("ILLSssx2ILLLL", $::client_id, $inode, $valid, $mode,
$uid, $gid, $size, $atime, $mtime, $ctime, 0);
my $rc = ioctl(DEV_OBD, &OBD_IOC_SETATTR, $packed);
die "suck" if (length($buf) != $count);
# the perl we're using doesn't support pack type Q, and offset is 64 bits
- my $packed = pack("ILpLLL", $::client_id, $inode, $buf, $count, 0, $offset);
+ my $packed = pack("ILpLLL", $::client_id, $inode, $buf, $count, $offset, 0);
my $rc = ioctl(DEV_OBD, &OBD_IOC_READ, $packed);
- $retval = unpack("L", $packed);
+ $retval = unpack("l", $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ } elsif ($rc eq "0 but true") {
+ if ($retval >= 0) {
+ print substr($buf, 0, $retval);
+ print "\nRead $retval of an attempted $count bytes.\n";
+ print "Finished (success)\n";
+ } else {
+ print "Finished (error $retval)\n";
+ }
+ } else {
+ print "ioctl returned error code $rc.\n";
+ }
+}
+
+sub Read2 {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return;
+ }
+
+ my $inode = shift;
+ my $count = shift;
+ my $offset = shift;
+
+ if (!defined($inode) || scalar($inode) < 1 || !defined($count) ||
+ $count < 1 || (defined($offset) && $offset < 0)) {
+ print "invalid arguments; type \"help read\" for a synopsis\n";
+ return;
+ }
+
+ if (!defined($offset)) {
+ $offset = 0;
+ }
+
+ print("Reading $count bytes starting at byte $offset from object " .
+ "$inode...\n");
+
+ # "allocate" a large enough buffer
+ my $buf = sprintf("%${count}s", " ");
+ die "suck" if (length($buf) != $count);
+
+ # the perl we're using doesn't support pack type Q, and offset is 64 bits
+ my $packed = pack("ILpLLL", $::client_id, $inode, $buf, $count, $offset, 0);
+
+ my $rc = ioctl(DEV_OBD, &OBD_IOC_READ2, $packed);
+
+ $retval = unpack("l", $packed);
if (!defined $rc) {
print STDERR "ioctl failed: $!\n";
"$inode...\n");
# the perl we're using doesn't support pack type Q
- my $packed = pack("ILpLLL", $::client_id, $inode, $text, $count, 0, $offset);
+ my $packed = pack("ILpLLL", $::client_id, $inode, $text, $count, $offset, 0);
my $rc = ioctl(DEV_OBD, &OBD_IOC_WRITE, $packed);
- $retval = unpack("L", $packed);
+ $retval = unpack("l", $packed);
if (!defined $rc) {
print STDERR "ioctl failed: $!\n";
if (!defined $rc) {
print STDERR "ioctl failed: $!\n";
} elsif ($rc eq "0 but true") {
+ # skip both the conn_id and the fs_type in the buffer
my ($bsize, $blocks, $bfree, $bavail, $files, $ffree) =
- unpack("x4LLLLLL", $packed);
+ unpack("x4x4LLLLLL", $packed);
print("$bsize byte blocks: $blocks, " . ($blocks - $bfree) . " used, " .
"$bfree free ($bavail available).\n");
print "$files files, " . ($files - $ffree) . " used, $ffree free.\n";
git://git.whamcloud.com / fs / lustre-release.git / blobdiff