#!/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_PREALLOCATE);
eval 'sub OBD_IOC_DEC_USE_COUNT () { &_IOC(0, ord(\'f\'), 8, 0);}' unless
defined(&OBD_IOC_DEC_USE_COUNT);
+eval 'sub OBD_IOC_SETATTR () { &_IOC(1, ord(\'f\'), 9, 4);}' unless
+ defined(&OBD_IOC_SETATTR);
+eval 'sub OBD_IOC_GETATTR () { &_IOC(2, ord(\'f\'), 10, 4);}' unless
+ defined(&OBD_IOC_GETATTR);
+eval 'sub OBD_IOC_READ () { &_IOC(3, ord(\'f\'), 11, 4);}' unless
+ defined(&OBD_IOC_READ);
+eval 'sub OBD_IOC_WRITE () { &_IOC(3, ord(\'f\'), 12, 4);}' unless
+ defined(&OBD_IOC_WRITE);
+eval 'sub OBD_IOC_CONNECT () { &_IOC(2, ord(\'f\'), 13, 4);}' unless
+ defined(&OBD_IOC_CONNECT);
+eval 'sub OBD_IOC_DISCONNECT () { &_IOC(1, ord(\'f\'), 14, 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_IOC_PUNCH () { &_IOC(3, ord(\'f\'), 24, 4);}' unless
+ defined(&OBD_IOC_PUNCH);
+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_DELETE() { &_IOC(3, ord(\'f\'), 42, 4);}' unless
+ defined(&OBD_SNAP_DELETE);
+eval 'sub OBD_SNAP_RESTORE() { &_IOC(3, ord(\'f\'), 43, 4);}' unless
+ defined(&OBD_SNAP_RESTORE);
+
+eval 'sub OBD_EXT2_RUNIT () { &_IOC(3, ord(\'f\'), 61, 4);}' unless
+ defined(&OBD_EXT2_RUNIT);
+
+eval 'sub OBD_MD_FLALL () {~0;}' unless defined(&OBD_MD_FLALL);
+eval 'sub OBD_MD_FLATIME () {1<<1;}' unless defined(&OBD_MD_FLATIME);
+eval 'sub OBD_MD_FLMTIME () {1<<2;}' unless defined(&OBD_MD_FLMTIME);
+eval 'sub OBD_MD_FLCTIME () {1<<3;}' unless defined(&OBD_MD_FLCTIME);
+eval 'sub OBD_MD_FLSIZE () {1<<4;}' unless defined(&OBD_MD_FLSIZE);
+eval 'sub OBD_MD_FLMODE () {1<<7;}' unless defined(&OBD_MD_FLMODE);
+eval 'sub OBD_MD_FLUID () {1<<8;}' unless defined(&OBD_MD_FLUID);
+eval 'sub OBD_MD_FLGID () {1<<9;}' unless defined(&OBD_MD_FLGID);
use Getopt::Long;
use File::stat;
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;
+# NOTE long long are layed out in ia32 memory as follows:
+# u = 0xaaaabbbbccccdddd has ccccdddd at &u and aaaabbbb 4 bytes on
+# this may be different on other architectures
-# get a console for the app
-my $term = new Term::ReadLine 'obdcontrol ';
-my $attribs = $term->Attribs;
-$term->ornaments('md,me,,'); # bold face prompt
+# we use 32-bit integers for all 64-bit quantities in this program
+# #define OBD_INLINESZ 60
+# #define OBD_OBDMDSZ 60
+# /* Note: 64-bit types are 64-bit aligned in structure */
+# struct obdo {
+# obd_id o_id;
+# obd_gr o_gr;
+# obd_time o_atime;
+# obd_time o_mtime;
+# obd_time o_ctime;
+# obd_size o_size;
+# obd_blocks o_blocks;
+# obd_blksize o_blksize;
+# obd_mode o_mode;
+# obd_uid o_uid;
+# obd_gid o_gid;
+# obd_flag o_flags;
+# obd_flag o_obdflags;
+# obd_count o_nlink;
+# obd_count o_generation;
+# obd_flag o_valid; /* hot fields in this obdo */
+# char o_inline[60];
+# char o_obdmd[60];
+# struct list_head o_list;
+# struct obd_ops *o_op;
+# };
+
+sub obdo_pack {
+ my $obdo = shift;
+ pack "LL LL LL LL LL LL LL L L L L L L L L L a60 a60 L L L",
+ $obdo->{id}, 0,
+ $obdo->{gr}, 0,
+ $obdo->{atime}, 0,
+ $obdo->{mtime}, 0 ,
+ $obdo->{ctime}, 0,
+ $obdo->{size}, 0,
+ $obdo->{blocks}, 0,
+ $obdo->{blksize},
+ $obdo->{mode},
+ $obdo->{uid},
+ $obdo->{gid},
+ $obdo->{flags},
+ $obdo->{obdflags},
+ $obdo->{nlink},
+ $obdo->{generation},
+ $obdo->{valid},
+ $obdo->{inline},
+ $obdo->{obdmd},
+ 0, 0, # struct list_head
+ 0; # struct obd_ops
+}
+
+sub obdo_unpack {
+ my $buf = shift;
+ my $offset = shift;
+ my $obdo;
+ ($obdo->{id},
+ $obdo->{gr},
+ $obdo->{atime},
+ $obdo->{mtime},
+ $obdo->{ctime},
+ $obdo->{size},
+ $obdo->{blocks},
+ $obdo->{blksize},
+ $obdo->{mode},
+ $obdo->{uid},
+ $obdo->{gid},
+ $obdo->{flags},
+ $obdo->{obdflags},
+ $obdo->{nlink},
+ $obdo->{generation},
+ $obdo->{valid},
+ $obdo->{inline},
+ $obdo->{obdmd}) = unpack "x${offset}Lx4 Lx4 Lx4 Lx4 Lx4 Lx4 Lx4 L L L L L L L L L a60 a60", $buf;
+ $obdo;
+}
-# make sure stdout is not buffered
-STDOUT->autoflush(1);
+sub obdo_print {
+
+ my $obdo = shift;
+
+ printf "id: %d\ngrp: %d\natime: %s\nmtime: %s\nctime: %s\nsize: %d\nblocks: %d\nblksize: %d\nmode: %o\nuid: %d\ngid: %d\nflags: %x\nobdflags: %x\nnlink: %d\nvalid: %x\ninline: %s\nobdmd: %s\n",
+ $obdo->{id},
+ $obdo->{gr},
+ $obdo->{atime},
+ $obdo->{mtime},
+ $obdo->{ctime},
+ $obdo->{size},
+ $obdo->{blocks},
+ $obdo->{blksize},
+ $obdo->{mode},
+ $obdo->{uid},
+ $obdo->{gid},
+ $obdo->{flags},
+ $obdo->{obdflags},
+ $obdo->{nlink},
+ $obdo->{valid},
+ $obdo->{inline},
+ $obdo->{obdmd};
+}
+
+
+my ($file);
+
+GetOptions("f!" => \$file, "device=s" => \$::device, ) || die "Getoptions";
+
+
+# get a console for the app
my $line;
my $command;
my $arg;
+my @procsysobd_objects = ('debug', 'index', 'reset', 'trace', 'vars');
+
my %commands =
- ('create' => {func => "Create", doc => "create: creates a new inode"},
- 'setup' => {func => "Setup", doc => "setup: initializes the environment"},
+ ('status' => {func => "Status", doc => "status: show obd device status"},
+ 'procsys' => {func => "Procsys", doc => "procsys <file> <value> (set /proc/sys/obd configuration)"},
+ 'shell' => {func => "Shell", doc => "shell <shell-command>: execute shell-commands"},
+ 'script' => {func => "Script", doc => "script <filename>: read and execute commands from a file"},
+ 'insmod' => {func => "Insmod", doc => "insmod <module>: insert kernel module"},
+ 'rmmod' => {func => "Rmmod", doc => "rmmod <module>: insert kernel module"},
+ 'lsmod' => {func => "Lsmod", doc => "lsmod <module>: list kernel modules"},
+ 'device' => {func => "Device", doc => "device <dev>: open another OBD device"},
+ 'close' => {func => "Close", doc => "close <dev>: close OBD device"},
+ 'create' => {func => "Create", doc => "create [<num> [<mode> [quiet]]]: create new object(s) (files, unless mode is given)"},
+ 'attach' => {func => "Attach", doc => "attach { obdext2 | obdsnap snapdev snapidx tableno | obdscsi adapter bus tid lun }: attach this minor device to the specified driver" },
+ 'detach' => {func => "Detach", doc => "detach this minor device"},
+ 'testext2iterator' => {func => "TestExt2Iterator", doc => "test ext2 iterator function"},
+ 'snapset' => {func => "SnapSetTable", doc => "snapset <tableno> <file>: set the table (created with snaptable) as table #tableno" },
+ 'snapprint' => {func => "SnapPrint", doc => "snapprint <tableno>: output the contents of table #tableno to the syslog"},
+ 'snapdelete' => {func => "SnapDelete", doc => "snapdelete: delete connected snap obd objects from disk"},
+ 'snaprestore' => {func => "SnapRestore", doc => "snaprestore : restore connected old snap objects to be current"},
+ 'snaptable' => {func => "SnapShotTable", doc => "snaptable: build a snapshot table (interactive)"},
+ 'copy' => {func => "Copy", doc => "copy <srcid> <tgtid>: copy objects"},
+ 'migrate' => {func => "Migrate", doc => "migrate <srcid> <tgtid>: migrate data from one object to another"},
+ 'partition' => {func => "Partition", doc => "partition <type> <adapter> <bus> <tid> <lun> <partition> <size>: create a partition"},
+ 'format' => {func => "Format", doc => "format <type> <adapter> <bus> <tid> <lun> <size>: format a partition"},
+ 'setup' => {func => "Setup", doc => "setup [type]: link this OBD device to the underlying device (default type obdext2)"},
+ '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"},
- 'dec_use_count' => {func => "Decusecount", doc => "decreases the module use count so that it can be unmounted following an oops"},
+ 'destroy' => {func => "Destroy", doc => "destroy <id>: destroys an object"},
+ '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 <id> <count> [offset]: read data from object"},
+ 'fsread' => {func => "Read2", doc => "read <id> <count> [offset]: read data from object"},
+ 'write' => {func => "Write", doc => "write <id> <offset> <text>: write data to object"},
+ 'punch' => {func => "Punch", doc => "punch <id> <start> <count>: punch a hole in object"},
+ 'setattr' => {func => "Setattr", doc => "setattr <id> [mode [uid [gid [size [atime [mtime [ctime]]]]]]]: sets object attributes"},
+ 'getattr' => {func => "Getattr", doc => "getattr <id>: displays object attributes"},
+ 'preallocate' => {func => "Preallocate", doc => "preallocate [num]: requests preallocation of num objects."},
+ 'statfs' => {func => "Statfs", doc => "statfs: filesystem status information"},
'help' => {func => \&Help, doc => "help: this message"},
'quit' => {func => \&Quit, doc => "see \"exit\""},
'exit' => {func => \&Quit, doc => "see \"quit\""}
);
#
-# setup completion function
+# setup completion function
#
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, $attribs;
+
-if (!defined($::st = stat($filesystem))) {
- die "Unable to stat $filesystem.\n";
+# Get going....
+
+#Device($::device);
+
+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 $_;
+ my $rc = execute_line($_);
+ if ($rc != 0) { last; }
+ }
+ exit 0;
+} else {
+ $term = new Term::ReadLine 'obdcontrol ';
+ $attribs = $term->Attribs;
+ $attribs->{attempted_completion_function} = \&completeme;
+ $term->ornaments('md,me,,'); # bold face prompt
+
+ # make sure stdout is not buffered
+ STDOUT->autoflush(1);
+
+
+ # Get on with the show
+ process_line();
+}
#------------------------------------------------------------------------------
sub completeme {
my ($text, $line, $start, $end) = @_;
if (substr($line, 0, $start) =~ /^\s*$/) {
- $attribs->{completion_word} = \@jcm_cmd_list;
- return $term->completion_matches($text,
- $attribs->{'list_completion_function'});
+ if ($] < 5.6) { # PErl version is less than 5.6.0
+ return (exists $commands{$text}) ? $text : 0;
+#Above line doesn't perform command completion, but
+#perl5.005 Term-ReadLine lacks support for completion matching
+#and perl5.6.0 requires glibc2.2.2 that won't run under Redhat6.2......sigh.
+ }
+ else {
+ $attribs->{completion_word} = \@jcm_cmd_list;
+ return $term->completion_matches($text,
+ $attribs->{'list_completion_function'});
+ }
}
}
my $name;
my @completions = completeme($given, $given, 0, length($given));
if ($#completions == 0) {
- $name = shift @completions;
+ $name = shift @completions;
}
return $name;
sub execute_line {
my $line = shift;
- my @arg = split(' ', $line);
- my $word = shift @arg;
+ my @cmdline = split(' ', $line);
+ my $word = shift @cmdline;
+
+ return 0 unless ($word);
- 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);
+ printf STDERR "$word: No such command, or not unique.\n";
+ return (-1);
}
- if ($cmd eq "help" || $cmd eq "exit" || $cmd eq "quit") {
- return (&{$commands{$cmd}->{func}}(@arg));
+ # Call the function.
+ return (&{$commands{$cmd}->{func}}(@cmdline));
+}
+
+my %opendevfds = ();
+
+# select the OBD device we talk to
+sub Device {
+ my $device = shift;
+
+ if ( ! $device && ! $::device ) { # first time ever
+ $device = '/dev/obd0';
}
- # Call the function.
- return (&{$commands{$cmd}->{func}}(@arg));
+ if (($device) && ($::device ne $device)) {
+ local *NEW_OBD;
+ my $newfd;
+
+ if ($::client_id) {
+ print "Disconnecting active session ($::client_id)...";
+ Disconnect($::client_id);
+ }
+
+ if ($opendevfds{$device}) {
+ $::dev_obd = $opendevfds{$device};
+ }
+ else {
+ # Open the device, as we need an FD for the ioctl
+ if (!sysopen(NEW_OBD, $device, 0)) {
+ print "Cannot open $device. Did you insert the obdclass module ?\n";
+ return -1;
+ }
+ print "Opened device $device\n";
+ $opendevfds{$device} = *NEW_OBD;
+ $::dev_obd = *NEW_OBD;
+ }
+ $::device = $device;
+ }
+ print "Current device is $::device\n";
+ return 0;
}
-sub Setup {
+sub Close {
+ my $device = shift;
+ my $fd2close;
+
+ if ( ! $device && ! $::device ) { # first time ever
+ print "Nothing to close\n";
+ return -1;
+ }
+
+ if ( ! $device ) {
+ $device = $::device;
+ }
+
+ if ($::device eq $device) {
+ if ($::client_id) {
+ print "Disconnecting active session ($::client_id)...";
+ Disconnect($::client_id);
+ }
+ }
+
+ $fd2close = $opendevfds{$device};
+ if ($fd2close) { # XXXX something wrong in this if statement
+ close ($fd2close);
+ $opendevfds{$device} = undef;
+ print "Closed device $device\n";
+ }
+ else {
+ print "Device $device was not open\n";
+ return -1;
+ }
+
+ if ($::device eq $device) {
+ $::dev_obd = undef;
+ $::device = undef;
+ }
+ print "No current device. You just closed the current device ($device).\n";
+ return 0;
+}
+
+sub Script {
+ my $cmdfilename = shift;
+ my $rc = 0;
+ if ( ! $cmdfilename ) {
+ print "please specify a command file name\n";
+ return -1;
+ }
+ if (! open(CMDF, $cmdfilename)) {
+ print "Cannot open $cmdfilename: $!\n";
+ return -1;
+ }
+ while (<CMDF>) {
+ if (/^#/) {
+ next;
+ }
+ print "execute> $_";
+ $rc = execute_line($_);
+ if ($rc != 0) {
+ print "Something went wrong .......command exit status: $rc\n";
+ last;
+ }
+ }
+ close(CMDF);
+ return $rc;
+}
+
+sub Shell {
+ my $user_shell=$ENV{'SHELL'};
+ print "% $user_shell -c '@_'\n";
+ if ( ! @_ ) {
+ print "please specify a shell command\n";
+ return;
+ }
+ system("$user_shell -c '@_'");
+ return ($? >> 8);
+}
+
+sub Status {
+ my $oldfh = select(STDOUT);
+ $| = 1;
+
+ system('cat /proc/lustre/obd/*/status');
+ my $rc = ($? >> 8);
+
+ select($oldfh);
+ $| = 0;
+
+ return $rc;
+}
+
+sub Procsys {
+ my $set_sysobd = shift;
+ my $value = shift;
+
+ foreach $i (0 .. $#procsysobd_objects) {
+ my $sysobd = $procsysobd_objects[$i];
+
+ if (defined $set_sysobd) {
+ if ($sysobd ne $set_sysobd) { next; }
+
+ if (defined $value) { # set this one
+ system("echo \"$value\" > /proc/sys/obd/$sysobd");
+ }
+ system("echo \"/proc/sys/obd/$sysobd:\"; cat /proc/sys/obd/$sysobd");
+ last;
+ }
+ else {
+ system("echo \"/proc/sys/obd/$sysobd:\"; cat /proc/sys/obd/$sysobd");
+ }
+ }
+ return ($? >> 8);
+}
+
+sub Insmod {
+ my $module = shift;
+ system("insmod $module");
+ return ($? >> 8);
+}
+
+sub Rmmod {
+ my $module = shift;
+ system("rmmod $module");
+ return ($? >> 8);
+}
+
+sub Lsmod {
+ my $module = shift;
+ system("lsmod $module");
+ return ($? >> 8);
+}
+
+sub Attach {
+ my $err = 0;
+ my $type = shift;
+ my $data;
+ my $datalen = 0;
+
+ if ( ! $type ) {
+ print "error: missing type\n";
+usage:
+ print "usage: attach {obdext2 | obdsnap | obdscsi | obdtrace }\n";
+ return -1;
+ }
+
+ if ($type eq "obdscsi" ) {
+ my $adapter = shift;
+ my $bus = shift;
+ my $tid = shift;
+ my $lun = shift;
+
+ $data = pack("iiii", $adapter, $bus, $tid, $lun);
+ $datalen = 4 * 4;
+ } elsif ($type eq "obdsnap" ) {
+ my $snapdev = shift;
+ my $snapidx = shift;
+ my $tableno = shift;
+
+ $data = pack("iii", $snapdev, $snapidx, $tableno);
+ $datalen = 3 * 4;
+ } elsif ($type eq "obdext2") {
+ $data = pack("i", 4711); # bogus data
+ $datalen = 4;
+ } elsif ($type eq "obdtrace") {
+ $data = pack("i", 4711); # bogus data
+ $datalen = 4;
+ } else {
+ print "error: unknown attach type $type\n";
+ goto usage;
+ }
+
+ my $len = length($type);
+ my $cl = length($data);
+
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_ATTACH, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+
+sub Detach {
my $err = 0;
- my $packed = pack("L", $::st->rdev());
- my $rc = ioctl(DEV_OBD, &OBD_IOC_SETUP, $packed);
+ my $data = "";
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_IOC_DETACH, $data);
if (!defined $rc) {
- print STDERR "ioctl failed: $!\n";
+ print STDERR "ioctl failed: $!\n";
+ return -1;
} elsif ($rc eq "0 but true") {
- print "Finished (success)\n";
+ print "Finished (success)\n";
+ return 0;
} else {
- print "ioctl returned error code $rc.\n";
+ print "ioctl returned error code $rc.\n";
+ return -1;
}
}
-sub Create {
+
+sub TestExt2Iterator {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return;
+ }
+
+ my $err = 0;
+ my $type = "obdext2";
+
+ $data = pack("i", 4711); # bogus data
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_EXT2_RUNIT, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+
+sub SnapDelete {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $err = 0;
+ my $type = "obdsnap";
+
+ $data = pack("i", 4711); # bogus data
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+
+ # XXX We need to fix this up so that after the objects in this snapshot
+ # are deleted, the snapshot itself is also removed from the table.
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_SNAP_DELETE, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+
+# this routine does the whole job
+sub SnapRestore {
+ my $restoreto = shift;
+ my $snaptable = shift;
+ my $tableno = shift;
+ my $restoretime;
+
+ # don't do anything until connected
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ if ( ! $snaptable || ! defined $restoreto ) {
+ print "Usage: snaprestore \"restore to slot\" \"snaptable\" \"tableno\"\n";
+ return -1;
+ }
+
+ if ( ! -f $snaptable ) {
+ print "Table $snaptable doesn't exist\n";
+ return -1;
+ }
+
+ my $table = ReadSnapShotTable($snaptable);
+ $restoretime = FindSnapInTable($table, $restoreto);
+ if ( ! defined $table->{0} || ! defined $restoretime ) {
+ PrintSnapShotTable($table);
+ print "No current or $restoreto slot in this table\n";
+ return -1;
+ }
+
+ my $currentindex = $table->{0};
+ if ( $table->{$restoretime} == $currentindex ) {
+ print "You should not restore to the current snapshot\n";
+ return -1;
+ }
+
+ # swap the entries for 0 and $restoreto
+ my $tmp = $table->{$restoretime};
+ $table->{$restoretime} = $table->{0};
+ $table->{0} = $tmp;
+ # PrintSnapShotTable($table);
+
+ # write it back
+ WriteSnapShotTable($snaptable, $table);
+
+ # set it in the kernel
+ SnapSetTable($tableno, $snaptable);
+
+ # ready for the ioctl
+ my $err = 0;
+ my $type = "obdsnap";
+ $data = pack("i", $currentindex); # slot of previous current snapshot
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_SNAP_RESTORE, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Snaprestore finished (success)\n";
+ delete $table->{$restoretime} if defined $restoretime;
+ # write it back
+ WriteSnapShotTable($snaptable, $table);
+
+ # set it in the kernel
+ SnapSetTable($tableno, $snaptable);
+ # PrintSnapShotTable($table);
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub FindSnapInTable {
+ my $table = shift;
+ my $snapno =shift;
+
+ foreach my $restoretime ( keys %{$table} ) {
+ if ( $table->{$restoretime} == $snapno) {
+ print "Found key $restoretime for snapno $snapno\n";
+ return $restoretime;
+ }
+ }
+ undef;
+}
+
+
+sub SnapPrint {
+ my $err = 0;
+ my $type = "obdsnap";
+ my $snaptableno = shift;
+
+ $data = pack("i", $snaptableno);
+ $datalen = 4;
+
+ my $len = length($type);
+ my $cl = length($data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_SNAP_PRINTTABLE, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub SnapSetTable {
+ my $err = 0;
+ my $type = "obdsnap";
+ my $snaptableno = shift;
+ my $file = shift;
+ my $snapcount;
+ my $table = {};
+ my $data;
+ my $datalen = 0;
+
+ if ( ! -f $file ) {
+ print "No such file $file\n";
+ return -1;
+ }
+
+ $table = ReadSnapShotTable($file);
+
+ $snapcount = keys %{$table};
+ print "Snapcount $snapcount\n";
+
+ if ( ! defined $table->{0} ) {
+ print "No current snapshot in table! First make one\n";
+ return -1;
+ }
+ $data = pack("ii", $snaptableno, $snapcount);
+ $datalen = 2 * 4;
+ foreach my $time (sort keys %{$table}) {
+ # XXX we should change to pack LL instead of I for times
+ $data .= pack("Ii", $time, $table->{$time});
+ $datalen += 8;
+ }
+
+ my $len = length($type);
+ my $cl = length($data);
+ print "type $type (len $len), datalen $datalen ($cl)\n";
+ my $packed = pack("Lipip", $::client_id, length($type), $type, $datalen, $data);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_SNAP_SETTABLE, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+
+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 ( $ok eq "n" ) {
+ WriteSnapShotTable($file, $table);
+ }
+ return 0;
+}
+
+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 $src_obdo;
+ my $dst_obdo;
+
+ # Note: _copy IOCTL takes parameters as dst, src.
+ # Copy function takes parameters as src, dst.
+ $src_obdo->{id} = shift;
+ $dst_obdo->{id} = shift;
+ $src_obdo->{valid} = &OBD_MD_FLALL;
+
+ # XXX need to fix copy so we can have 2 client IDs here
+ my $packed = pack("L", $::client_id) . obdo_pack($dst_obdo) . pack("L", $::client_id) . obdo_pack($src_obdo);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_IOC_COPY, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Migrate {
+ my $err = 0;
+
+ # Note: _migr IOCTL takes parameters as dst, src.
+ # Migrate function takes parameters as src, dst.
+ $src_obdo->{id} = shift;
+ $dst_obdo->{id} = shift;
+ $src_obdo->{valid} = &OBD_MD_FLALL;
+
+ # We pack a dummy connection ID here
+ my $packed = pack("L", $::client_id) . obdo_pack($dst_obdo) . pack("L", $::client_id) . obdo_pack($src_obdo);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+
+ my $rc = ioctl($::dev_obd, &OBD_IOC_MIGR, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+
+sub Format {
+ my $err = 0;
+ my $size = shift;
+ my $data = pack("i", $size);
+ my $datalen = 4;
+
+ my $packed = pack("ip", $datalen, $data);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_FORMATOBD, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+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);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_PARTITION, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Setup {
+ my $err = 0;
my $arg = shift;
- my $quiet = shift;
+ my $data;
+ my $datalen = 0;
+
+ # XXX we need a getinfo ioctl to validate parameters
+ # by type here
+
+ if ($arg && !defined($::st = stat($arg))) {
+ print "$arg is not a valid device\n";
+ return -1;
+ }
+
+ if ( $arg ) {
+ $data = $arg;
+ $datalen = length($arg)+1; # need null character also
+ }
+
+ my $packed = pack("ip", $datalen, $data);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_SETUP, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Cleanup {
my $err = "0";
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_CLEANUP, $err);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ $::client_id = 0;
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+
+sub Connect {
my $rc;
- if (defined($quiet) && !($quiet eq "quiet")) {
- print "syntax: create [number of objects [quiet]]\n";
- return;
+ my $packed = "";
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
}
+ $rc = ioctl($::dev_obd, &OBD_IOC_CONNECT, $packed);
+ $id = unpack("I", $packed);
- if (!defined($arg) || scalar($arg) < 2) {
- print "Creating 1 object...\n";
- $rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $err);
- if (!defined($quiet)) {
- my $ino = unpack("L", $err);
- print "Created object #$ino.\n";
- }
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ $::client_id = $id;
+ print "Client ID : $id\n";
+ print "Finished (success)\n";
+ return 0;
} else {
- my $i;
-
- print "Creating " . scalar($arg) . " objects...\n";
- for ($i = 0; $i < scalar($arg); $i++) {
- $rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $err);
- if (!($rc eq "0 but true") || $err < 0) {
- last;
- } elsif (!defined($quiet)) {
- my $ino = unpack("L", $err);
- print "Created object #$ino.\n";
- }
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Disconnect {
+ my $id = shift;
+
+ if (!defined($id)) {
+ $id = $::client_id;
+ }
+
+ if (!defined($id)) {
+ print "syntax: disconnect [client ID]\n";
+ print "When client ID is not given, the last valid client ID to be returned by a\n";
+ print "connect command this session is used; there is no such ID.\n";
+ return -1;
+ }
+
+ my $packed = pack("L", $id);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_DISCONNECT, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ $::client_id = undef;
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Create {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $num = shift;
+ my $mode = shift;
+ my $quiet = shift;
+ my $rc;
+ my $prealloc = 0;
+
+ if (!defined($num)) {
+ $num = 1;
+ }
+
+ if (!defined($mode)) {
+ $mode = 0100644; # create a file (rw-r--r--) if not specified
+ }
+
+ if (scalar($num) < 1 || defined($quiet) && $quiet ne "quiet") {
+ print "usage: create [<number of objects> [<mode> [quiet]]]\n";
+ return -1;
+ }
+
+ my $i;
+ my $id = 0; # can't currently request IDs
+
+ print "Creating " . scalar($num) . " object";
+ if (scalar($num) > 1) {
+ print "s";
+ }
+ print "\n";
+
+ for ($i = 0; $i < scalar($num); $i++) {
+ my $obdo;
+ $obdo->{id} = $id;
+ $obdo->{mode} = scalar($mode);
+ $obdo->{valid} = &OBD_MD_FLMODE;
+
+ my $packed = pack("I", $::client_id) . obdo_pack($obdo);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
}
+ $rc = ioctl($::dev_obd, &OBD_IOC_CREATE, $packed);
+ if ($rc ne "0 but true") {
+ last;
+ } elsif (!defined($quiet)) {
+ $obdo = obdo_unpack($packed, 4);
+ print "Created object #$obdo->{id}.\n";
+ }
}
if (!defined $rc) {
- print STDERR "ioctl failed: $!\n";
+ print STDERR "ioctl failed: $!\n";
+ return -1;
} elsif ($rc eq "0 but true") {
- print "Finished (success)\n";
+ print "Finished (success)\n";
+ return 0;
} else {
- print "ioctl returned error code $rc.\n";
+ print "ioctl returned error code $rc.\n";
+ return -1;
}
}
sub Sync {
my $err = "0";
- my $rc = ioctl(DEV_OBD, &OBD_IOC_SYNC, $err);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_SYNC, $err);
if (!defined $rc) {
- print STDERR "ioctl failed: $!\n";
+ print STDERR "ioctl failed: $!\n";
+ return -1;
} elsif ($rc eq "0 but true") {
- print "Finished (success)\n";
+ print "Finished (success)\n";
+ return 0;
} else {
- print "ioctl returned error code $rc.\n";
+ print "ioctl returned error code $rc.\n";
+ return -1;
}
}
sub Destroy {
- my $arg = shift;
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
- if (!defined($arg) || scalar($arg) < 1) {
- print "destroy requires the object number to destroy.\n";
- return;
+ my $id = shift;
+
+ if (!defined($id) || scalar($id) < 1) {
+ print "usage: destroy <object number>\n";
+ return -1;
+ }
+
+ print "Destroying object $id...\n";
+ my $packed = pack("IL", $::client_id, $id);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_DESTROY, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Getattr {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
}
- print "Destroying object $arg...\n";
- my $packed = pack("L", $arg);
- my $rc = ioctl(DEV_OBD, &OBD_IOC_DESTROY, $packed);
+ my $id = shift;
+
+ if (!defined($id) || scalar($id) < 1) {
+ print "invalid arguments; type \"help getattr\" for a synopsis\n";
+ return -1;
+ }
+
+ # see Setattr
+ my $obdo;
+ $obdo->{id} = $id;
+ $obdo->{valid} = &OBD_MD_FLALL;
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_GETATTR, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ $obdo = obdo_unpack($packed, 4);
+ obdo_print($obdo);
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Setattr {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $id = shift;
+
+ if (!defined($id) || scalar($id) < 1) {
+ print "invalid arguments; type \"help setattr\" for a synopsis\n";
+ return -1;
+ }
+
+ # XXX we do not currently set all of the fields in the obdo
+ my $obdo;
+ $obdo->{id} = $id;
+ $obdo->{mode} = oct(shift);
+ $obdo->{uid} = shift;
+ $obdo->{gid} = shift;
+ $obdo->{size} = shift;
+ $obdo->{atime} = shift;
+ $obdo->{mtime} = shift;
+ $obdo->{ctime} = shift;
+ $obdo->{valid} = 0;
+
+ if (defined($obdo->{atime})) {
+ $obdo->{valid} |= &OBD_MD_FLATIME;
+ }
+ if (defined($obdo->{mtime})) {
+ $obdo->{valid} |= &OBD_MD_FLMTIME;
+ }
+ if (defined($obdo->{ctime})) {
+ $obdo->{valid} |= &OBD_MD_FLCTIME;
+ }
+ if (defined($obdo->{size})) {
+ $obdo->{valid} |= &OBD_MD_FLSIZE;
+ }
+ if (defined($obdo->{mode})) {
+ $obdo->{valid} |= &OBD_MD_FLMODE;
+ }
+ if (defined($obdo->{uid})) {
+ $obdo->{valid} |= &OBD_MD_FLUID;
+ }
+ if (defined($obdo->{gid})) {
+ $obdo->{valid} |= &OBD_MD_FLGID;
+ }
+
+ printf "valid is %x, mode is %o\n", $obdo->{valid}, $obdo->{mode};
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_SETATTR, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Read {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $id = shift;
+ my $count = shift;
+ my $offset = shift;
+
+ if (!defined($id) || scalar($id) < 1 || !defined($count) ||
+ $count < 1 || (defined($offset) && $offset < 0)) {
+ print "invalid arguments; type \"help read\" for a synopsis\n";
+ return -1;
+ }
+
+ if (!defined($offset)) {
+ $offset = 0;
+ }
+
+ print("Reading $count bytes starting at byte $offset from object " .
+ "$id...\n");
+
+ # "allocate" a large enough buffer
+ my $buf = sprintf("%${count}s", " ");
+ die "suck" if (length($buf) != $count);
+
+ my $obdo;
+ $obdo->{id} = $id;
+
+ # the perl we're using doesn't support pack type Q, and offset is 64 bits
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo) .
+ pack("p LL LL", $buf, $count, $offset);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_READ, $packed);
+
+ $retval = unpack("l", $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($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";
+ return 0;
+ } else {
+ print "Finished (error $retval)\n";
+ return $retval;
+ }
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Read2 {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $id = shift;
+ my $count = shift;
+ my $offset = shift;
+
+ if (!defined($id) || scalar($id) < 1 || !defined($count) ||
+ $count < 1 || (defined($offset) && $offset < 0)) {
+ print "invalid arguments; type \"help read\" for a synopsis\n";
+ return -1;
+ }
+
+ if (!defined($offset)) {
+ $offset = 0;
+ }
+
+ print("Reading $count bytes starting at byte $offset from object " .
+ "$id...\n");
+
+ # "allocate" a large enough buffer
+ my $buf = sprintf("%${count}s", " ");
+ die "suck" if (length($buf) != $count);
+
+ my $obdo;
+ $obdo->{id} = $id;
+
+ # the perl we're using doesn't support pack type Q, and offset is 64 bits
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo) .
+ pack("p LL LL", $buf, $count, $offset);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_READ2, $packed);
+
+ $retval = unpack("l", $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($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";
+ return 0;
+ } else {
+ print "Finished (error $retval)\n";
+ return $retval;
+ }
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Write {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $id = shift;
+ my $offset = shift;
+ my $text = join(' ', @_);
+ my $count = length($text);
+
+ if (!defined($id) || scalar($id) < 1 || !defined($offset) ||
+ scalar($offset) < 0) {
+ print "invalid arguments; type \"help write\" for a synopsis\n";
+ return -1;
+ }
+
+ if (!defined($text)) {
+ $text = "";
+ $count = 0;
+ }
+
+ print("Writing $count bytes starting at byte $offset to object $id...\n");
+
+ my $obdo;
+ $obdo->{id} = $id;
+
+ # the perl we're using doesn't support pack type Q
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo) .
+ pack("p LL LL", $text, $count, $offset);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_WRITE, $packed);
+
+ $retval = unpack("l", $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($rc eq "0 but true") {
+ if ($retval >= 0) {
+ print "\nWrote $retval of an attempted $count bytes.\n";
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "Finished (error $retval)\n";
+ return $retval;
+ }
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Punch {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ my $id = shift;
+ my $start = shift;
+ my $count = shift;
+
+ if (!defined($id) || scalar($id) < 1 || !defined($start) ||
+ scalar($start) < 0 || !defined($count) || scalar($count) < 0) {
+ print "invalid arguments; type \"help punch\" for a synopsis\n";
+ return -1;
+ }
+
+ print("Punching $count bytes starting at byte $start from object $id...\n");
+
+ my $obdo;
+ $obdo->{id} = $id;
+
+ # the perl we're using doesn't support pack type Q
+ my $packed = pack("L", $::client_id) . obdo_pack($obdo) .
+ pack("p LL LL", $buf, $start, $count);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_PUNCH, $packed);
+
+ $retval = unpack("l", $packed);
if (!defined $rc) {
- print STDERR "ioctl failed: $!\n";
+ print STDERR "ioctl failed: $!\n";
} elsif ($rc eq "0 but true") {
- print "Finished (success)\n";
+ if ($retval >= 0) {
+ print "\nPunched $retval of an attempted $count bytes.\n";
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "Finished (error $retval)\n";
+ return $retval;
+ }
} else {
- print "ioctl returned error code $rc.\n";
+ print "ioctl returned error code $rc.\n";
+ return -1;
}
}
sub Preallocate {
- my $arg = shift;
+ my $num = shift;
+
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
- if (!defined($arg) || scalar($arg) < 1 || scalar($arg) > 32) {
- $arg = 32;
+ if (!defined($num) || scalar($num) < 1 || scalar($num) > 32) {
+ $num = 32;
}
- print "Preallocating $arg inodes...\n";
- my $packed = pack("Lx128", $arg); # alloc, inodes[32]
- my $rc = ioctl(DEV_OBD, &OBD_IOC_PREALLOCATE, $packed);
+ print "Preallocating $num objects...\n";
+ # client id, alloc, id[32]
+ my $packed = pack("LLx128", $::client_id, $num);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_PREALLOCATE, $packed);
if (!defined $rc) {
- print STDERR "ioctl failed: $!\n";
+ print STDERR "ioctl failed: $!\n";
+ return -1;
} elsif ($rc eq "0 but true") {
- my $alloc = unpack("L", $packed);
- my @inodes = unpack("L32", $packed);
- my $i;
+ my $alloc = unpack("x4L", $packed);
+ my @ids = unpack("x8L32", $packed);
+ my $i;
- print "Got $alloc inodes: ";
- for ($i = 1; $i <= $alloc; ++$i) {
- print $inodes[$i] . " ";
- }
- print "\nFinished (success)\n";
+ print "Got $alloc objects: ";
+ foreach $i (@ids) {
+ print $i . " ";
+ }
+ print "\nFinished (success)\n";
+ return 0;
} else {
- print "ioctl returned error code $rc.\n";
+ print "ioctl returned error code $rc.\n";
+ return -1;
}
}
sub Decusecount {
- my $rc = ioctl(DEV_OBD, &OBD_IOC_DEC_USE_COUNT, NULL);
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_DEC_USE_COUNT, 0);
if (!defined $rc) {
- print STDERR "ioctl failed: $!\n";
+ print STDERR "ioctl failed: $!\n";
+ return -1;
} elsif ($rc eq "0 but true") {
- print "Finished (success)\n";
+ print "Finished (success)\n";
+ return 0;
} else {
- print "ioctl returned error code $rc.\n";
+ print "ioctl returned error code $rc.\n";
+ return -1;
+ }
+}
+
+sub Statfs {
+ if (!defined($::client_id)) {
+ print "You must first ``connect''.\n";
+ return -1;
+ }
+
+ # struct statfs {
+ # long f_type;
+ # long f_bsize;
+ # long f_blocks;
+ # long f_bfree;
+ # long f_bavail;
+ # long f_files;
+ # long f_ffree;
+ # __kernel_fsid_t f_fsid; (64 bits)
+ # long f_namelen;
+ # long f_spare[6];
+ # };
+
+ my $packed = pack("LLLLLLLIILL6", $::client_id, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0);
+
+ if (! defined $::dev_obd) {
+ print "No current device.\n";
+ return -1;
+ }
+ my $rc = ioctl($::dev_obd, &OBD_IOC_STATFS, $packed);
+
+ if (!defined $rc) {
+ print STDERR "ioctl failed: $!\n";
+ return -1;
+ } elsif ($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("x4x4LLLLLL", $packed);
+ print("$bsize byte blocks: $blocks, " . ($blocks - $bfree) . " used, " .
+ "$bfree free ($bavail available).\n");
+ print "$files files, " . ($files - $ffree) . " used, $ffree free.\n";
+ print "Finished (success)\n";
+ return 0;
+ } else {
+ print "ioctl returned error code $rc.\n";
+ return -1;
}
}
sub Help {
- my $arg = shift;
+ my $cmd = shift;
- if ( !$arg || !$commands{$arg} ) {
- print "Comands: ", join( ' ', @jcm_cmd_list), "\n";
+ if ( !$cmd || !$commands{$cmd} ) {
+ print "Comands: ", join( ' ', @jcm_cmd_list), "\n";
} else {
- print "Usage: " . $commands{$arg}->{doc} . "\n";
+ print "Usage: " . $commands{$cmd}->{doc} . "\n";
}
+ return 0;
}
sub Quit {
+ if ($::client_id) {
+ print "Disconnecting active session ($::client_id)...";
+ Disconnect($::client_id);
+ }
exit;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff