X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fobdcontrol;h=8747b2e4f37726f1479d66783e6597f24395fa76;hb=d66b78bd055c9f1633bdc973f982502fb8b50a81;hp=379256e94060cf23ad0b2454d043278e86813fa0;hpb=18c39d907978ea787237754b79aab5ba3fa406bf;p=fs%2Flustre-release.git diff --git a/lustre/obdclass/obdcontrol b/lustre/obdclass/obdcontrol index 379256e..8747b2e 100755 --- a/lustre/obdclass/obdcontrol +++ b/lustre/obdclass/obdcontrol @@ -61,6 +61,8 @@ 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 @@ -73,13 +75,14 @@ eval 'sub OBD_SNAP_RESTORE() { &_IOC(3, ord(\'f\'), 43, 4);}' unless 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); -eval 'sub ATTR_GID () {4;}' unless defined(&ATTR_GID); -eval 'sub ATTR_SIZE () {8;}' unless defined(&ATTR_SIZE); -eval 'sub ATTR_ATIME () {16;}' unless defined(&ATTR_ATIME); -eval 'sub ATTR_MTIME () {32;}' unless defined(&ATTR_MTIME); -eval 'sub ATTR_CTIME () {64;}' unless defined(&ATTR_CTIME); +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; @@ -89,6 +92,112 @@ use Term::ReadLine; use IO::Handle; +# 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 + +# 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; +} + +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"; @@ -100,36 +209,45 @@ my $line; my $command; my $arg; +my @procsysobd_objects = ('debug', 'index', 'reset', 'trace', 'vars'); + my %commands = - ('device' => {func => "Device", doc => "device : open another OBD device"}, - 'filesystem' => {func => "Filesystem", doc => "filesystem : 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"}, - 'testext2iterator' => {func => "TestExt2Iterator", doc => ""}, - 'snapattach' => {func => "SnapAttach", doc => "snapattach snapdev snapidx tableno"}, - 'snapset' => {func => "SnapSetTable", doc => "snapset tableno file" }, - 'snapprint' => {func => "SnapPrint", doc => "snapprint tableno"}, - 'snapdelete' => {func => "SnapDelete", doc => "snapdelete: delete connected snap obd"}, - 'snaprestore' => {func => "SnapRestore", doc => "snaprestore: restore connected old snap to current"}, + ('status' => {func => "Status", doc => "status: show obd device status"}, + 'procsys' => {func => "Procsys", doc => "procsys (set /proc/sys/obd configuration)"}, + 'shell' => {func => "Shell", doc => "shell : execute shell-commands"}, + 'script' => {func => "Script", doc => "script : read and execute commands from a file"}, + 'insmod' => {func => "Insmod", doc => "insmod : insert kernel module"}, + 'rmmod' => {func => "Rmmod", doc => "rmmod : insert kernel module"}, + 'lsmod' => {func => "Lsmod", doc => "lsmod : list kernel modules"}, + 'device' => {func => "Device", doc => "device : open another OBD device"}, + 'close' => {func => "Close", doc => "close : close OBD device"}, + 'create' => {func => "Create", doc => "create [ [ [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 : set the table (created with snaptable) as table #tableno" }, + 'snapprint' => {func => "SnapPrint", doc => "snapprint : 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"}, - '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 [type]: link this OBD device to the underlying device (default type ext2_obd, filesystem /dev/loop0)"}, + 'copy' => {func => "Copy", doc => "copy : copy objects"}, + 'migrate' => {func => "Migrate", doc => "migrate : migrate data from one object to another"}, + 'partition' => {func => "Partition", doc => "partition : create a partition"}, + 'format' => {func => "Format", doc => "format : 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 => "destroy : destroys an inode"}, + 'destroy' => {func => "Destroy", doc => "destroy : 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 [offset]"}, - 'fsread' => {func => "Read2", doc => "read [offset]"}, - 'write' => {func => "Write", doc => "write "}, - 'setattr' => {func => "Setattr", doc => "setattr [mode [uid [gid [size [atime [mtime [ctime]]]]]]]"}, - 'getattr' => {func => "Getattr", doc => "getattr : displays inode object attributes"}, - 'preallocate' => {func => "Preallocate", doc => "preallocate [num]: requests preallocation of num inodes."}, + 'read' => {func => "Read", doc => "read [offset]: read data from object"}, + 'fsread' => {func => "Read2", doc => "read [offset]: read data from object"}, + 'write' => {func => "Write", doc => "write : write data to object"}, + 'punch' => {func => "Punch", doc => "punch : punch a hole in object"}, + 'setattr' => {func => "Setattr", doc => "setattr [mode [uid [gid [size [atime [mtime [ctime]]]]]]]: sets object attributes"}, + 'getattr' => {func => "Getattr", doc => "getattr : 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\""}, @@ -137,7 +255,7 @@ my %commands = ); # -# setup completion function +# setup completion function # my @jcm_cmd_list = keys %commands; @@ -146,31 +264,32 @@ my $term, $attribs; # Get going.... -Device($::device); +#Device($::device); sub readl { if ( $file ) { - my $str = ; - chop($str); - return $str; - } else { - return $term->readline(@_); - } + my $str = ; + chop($str); + return $str; + } else { + return $term->readline(@_); + } } if ( $file ) { - while ( ) { - print $_; - execute_line($_); - } - exit 0; + while ( ) { + 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 + $term->ornaments('md,me,,'); # bold face prompt # make sure stdout is not buffered STDOUT->autoflush(1); @@ -184,9 +303,17 @@ if ( $file ) { sub completeme { my ($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'}); + } } } @@ -195,7 +322,7 @@ sub find_command { my $name; my @completions = completeme($given, $given, 0, length($given)); if ($#completions == 0) { - $name = shift @completions; + $name = shift @completions; } return $name; @@ -212,47 +339,195 @@ sub process_line { sub execute_line { my $line = shift; - my @arg = split(' ', $line); - my $word = shift @arg; + my @cmdline = split(' ', $line); + my $word = shift @cmdline; my $cmd; if ( $file ) { - $cmd = $word; + $cmd = $word; } else { - $cmd = find_command($word); + $cmd = find_command($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{$cmd}->{func}}(@arg)); + return (&{$commands{$cmd}->{func}}(@cmdline)); } # Call the function. - return (&{$commands{$cmd}->{func}}(@arg)); + return (&{$commands{$cmd}->{func}}(@cmdline)); } +my %opendevfds = (); # select the OBD device we talk to sub Device { my $device = shift; - if ($::client_id) { - print "Disconnecting active session ($::client_id)..."; - Disconnect($::client_id); + if ( ! $device && ! $::device ) { # first time ever + $device = '/dev/obd0'; + } + + if (($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 "Openend device $device\n"; + $opendevfds{$device} = *NEW_OBD; + $::dev_obd = *NEW_OBD; + } + $::device = $device; + } + print "Current device is $::device\n"; + return 0; +} + +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); + } } - if (! $device ) { - $device = "/dev/obd0"; + + $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; } - $::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 $device\n"; + print "No current device. You just closed the current device ($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 () { + 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; @@ -261,146 +536,264 @@ sub Attach { my $datalen = 0; if ( ! $type ) { - print "Usage \"attach type (ext2_obd)\"; + print "error: missing type\n"; +usage: + print "usage: attach {obdext2 | obdsnap | obdscsi | obdtrace }\n"; + return -1; + } if ($type eq "obdscsi" ) { - my $adapter = shift; - my $bus = shift; - my $tid = shift; - my $lun = shift; - $data = pack("iiiii", $adapter, $bus, $tid, $lun, $size); - $datalen = 4 * 4; + 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); - my $rc = ioctl(DEV_OBD, &OBD_IOC_ATTACH, $packed); + 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"; + 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 Detach { my $err = 0; my $data = ""; - my $rc = ioctl(DEV_OBD, &OBD_IOC_DETACH, $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 $rc.\n"; + return -1; } } sub TestExt2Iterator { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return; } my $err = 0; - my $type = "ext2_obd"; + my $type = "obdext2"; $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); + if (! defined $::dev_obd) { + print "No current device.\n"; + return -1; + } - my $rc = ioctl(DEV_OBD, &OBD_EXT2_RUNIT, $packed); + my $rc = ioctl($::dev_obd, &OBD_EXT2_RUNIT, $packed); 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 $rc.\n"; + return -1; } } sub SnapDelete { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } my $err = 0; - my $type = "snap_obd"; + my $type = "obdsnap"; $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); # 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. - my $rc = ioctl(DEV_OBD, &OBD_SNAP_DELETE, $packed); + + 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"; + 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; } } -# XXX the parameter to snaprestore SHOULD be the snapshot number of the -# snapshot to be restored, and this routine should handle all of the -# removal of intervening snapshots and changing the snaptable to have -# the "restored" snapshot as current and move the previous current. +# 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; + 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 = "snap_obd"; - my $prevcurrent = shift; - - $data = pack("i", $prevcurrent); # where the previous current snapshot now lives + my $type = "obdsnap"; + $data = pack("i", $currentindex); # slot of previous current snapshot $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); + if (! defined $::dev_obd) { + print "No current device.\n"; + return -1; + } - my $rc = ioctl(DEV_OBD, &OBD_SNAP_RESTORE, $packed); + my $rc = ioctl($::dev_obd, &OBD_SNAP_RESTORE, $packed); 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 "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"; + 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 = "snap_obd"; + my $type = "obdsnap"; my $snaptableno = shift; $data = pack("i", $snaptableno); @@ -408,24 +801,30 @@ sub SnapPrint { 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); + if (! defined $::dev_obd) { + print "No current device.\n"; + return -1; + } - my $rc = ioctl(DEV_OBD, &OBD_SNAP_PRINTTABLE, $packed); + my $rc = ioctl($::dev_obd, &OBD_SNAP_PRINTTABLE, $packed); 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 SnapSetTable { my $err = 0; - my $type = "snap_obd"; + my $type = "obdsnap"; my $snaptableno = shift; my $file = shift; my $snapcount; @@ -434,7 +833,8 @@ sub SnapSetTable { my $datalen = 0; if ( ! -f $file ) { - print "No such file $file\n"; + print "No such file $file\n"; + return -1; } $table = ReadSnapShotTable($file); @@ -443,61 +843,37 @@ sub SnapSetTable { print "Snapcount $snapcount\n"; if ( ! defined $table->{0} ) { - print "No current snapshot in table! First make one\n"; - return ; + 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}) { - $data .= pack("Ii", $time, $table->{$time}); - $datalen += 8; + # 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); - 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"; + if (! defined $::dev_obd) { + print "No current device.\n"; + return -1; } -} - -sub SnapAttach { - my $err = 0; - my $type = "snap_obd"; - my $snapdev = shift; - my $snapidx = shift; - my $tableno = shift; - my $snapcount; - my $data; - my $datalen = 0; - - $data = pack("iii", $snapdev, $snapidx, $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); + my $rc = ioctl($::dev_obd, &OBD_SNAP_SETTABLE, $packed); 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; } } @@ -506,7 +882,7 @@ sub SnapShotTable { my $file = &readl("enter file name: "); if ( ! -f $file ) { - `touch $file`; + `touch $file`; } my $table = ReadSnapShotTable($file); @@ -523,14 +899,14 @@ sub SnapShotTable { 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; + print "This already exists, first clean up\n"; + goto again; } if ( $time eq 'now' ) { - $time = time; + $time = time; } elsif ( $time eq 'current' ) { - $time = 0; + $time = 0; } $table->{$time} = $idx; goto again; @@ -543,9 +919,10 @@ sub SnapShotTable { done: my $ok = &readl("OK with new table? [Yn]: "); - unless ( $ok eq "no" ) { - WriteSnapShotTable($file, $table); - } + unless ( $ok eq "n" ) { + WriteSnapShotTable($file, $table); + } + return 0; } sub SnapFindTimeFromIdx { @@ -553,9 +930,9 @@ sub SnapFindTimeFromIdx { my $table = shift; foreach my $time ( keys %{$table} ) { - if ( $table->{$time} == $idx ) { - return $time; - } + if ( $table->{$time} == $idx ) { + return $time; + } } undef; } @@ -565,11 +942,11 @@ sub PrintSnapShotTable { my $time; foreach $time ( sort keys %{$table} ) { - my $stime = localtime($time); - if ( ! $time ) { - $stime = "current"; - } - printf "Time: %s -- Index %d\n", $stime, $table->{$time}; + my $stime = localtime($time); + if ( ! $time ) { + $stime = "current"; + } + printf "Time: %s -- Index %d\n", $stime, $table->{$time}; } } @@ -580,8 +957,8 @@ sub ReadSnapShotTable { open FH, "<$file"; while ( ) { - my ($time, $index) = split ; - $table->{$time} = $index; + my ($time, $index) = split ; + $table->{$time} = $index; } close FH; @@ -596,46 +973,70 @@ sub WriteSnapShotTable { open FH, ">$file"; foreach my $time ( sort keys %{$table} ) { - print FH "$time $table->{$time}\n"; + 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 $src_obdo; + my $dst_obdo; - my $packed = pack("ip", $datalen, $data); - my $rc = ioctl(DEV_OBD, &OBD_IOC_COPY, $packed); + # 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"; + 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 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); + # 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"; + 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; } } @@ -647,14 +1048,21 @@ sub Format { my $datalen = 4; my $packed = pack("ip", $datalen, $data); - my $rc = ioctl(DEV_OBD, &OBD_IOC_FORMATOBD, $packed); + 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"; + 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; } } @@ -666,56 +1074,80 @@ sub Partition { my $datalen = 2 * 4; my $packed = pack("ip", $datalen, $data); - my $rc = ioctl(DEV_OBD, &OBD_IOC_PARTITION, $packed); + 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"; + 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 Setup { my $err = 0; - my $type = shift; + my $arg = shift; my $data; my $datalen = 0; - - $type = "ext2_obd" unless $type; - if ( $type eq "ext2_obd" ) { - my $dev = shift; - my $st = stat($dev); - $dev = $st->rdev() unless $dev; - $data = pack("i", $dev); - $datalen = 4; + # XXX we need a getinfo ioctl to validate parameters + # by type here + + if ($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); - my $rc = ioctl(DEV_OBD, &OBD_IOC_SETUP, $packed); + 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"; + 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 Cleanup { my $err = "0"; - my $rc = ioctl(DEV_OBD, &OBD_IOC_CLEANUP, $err); + 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"; + print STDERR "ioctl failed: $!\n"; + return -1; } elsif ($rc eq "0 but true") { - print "Finished (success)\n"; - $::client_id = 0; + print "Finished (success)\n"; + $::client_id = 0; + return 0; } else { - print "ioctl returned error code $rc.\n"; + print "ioctl returned error code $rc.\n"; + return -1; } } @@ -724,17 +1156,24 @@ sub Connect { my $rc; my $packed = ""; - $rc = ioctl(DEV_OBD, &OBD_IOC_CONNECT, $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 $rc) { - print STDERR "ioctl failed: $!\n"; + 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"; + $::client_id = $id; + print "Client ID : $id\n"; + print "Finished (success)\n"; + return 0; } else { - print "ioctl returned error code $rc.\n"; + print "ioctl returned error code $rc.\n"; + return -1; } } @@ -742,414 +1181,553 @@ sub Disconnect { my $id = shift; if (!defined($id)) { - $id = $::client_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; + 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); - my $rc = ioctl(DEV_OBD, &OBD_IOC_DISCONNECT, $packed); + 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"; + print STDERR "ioctl failed: $!\n"; + return -1; } elsif ($rc eq "0 but true") { - $::client_id = undef; - print "Finished (success)\n"; + $::client_id = undef; + 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 { - my $arg = shift; + if (!defined($::client_id)) { + print "You must first ``connect''.\n"; + return -1; + } + + my $num = shift; + my $mode = shift; my $quiet = shift; my $rc; my $prealloc = 0; - if (defined($quiet) && !($quiet eq "quiet")) { - print "syntax: create [number of objects [quiet]]\n"; - return; + if (!defined($num)) { + $num = 1; } - my $packed = pack("IL", $::client_id, $prealloc); - if (!defined($arg) || scalar($arg) < 2) { - print "Creating 1 object...\n"; - $rc = ioctl(DEV_OBD, &OBD_IOC_CREATE, $packed); - if (!defined($quiet)) { - my $ino = unpack("L", $packed); - print "Created object #$ino.\n"; - } - } else { - my $i; - - print "Creating " . scalar($arg) . " objects...\n"; - 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")) { - last; - $packed = pack("IL", $::client_id, $prealloc); - } elsif (!defined($quiet)) { - $packed = pack("IL", $::client_id, $prealloc); - print "Created object #$ino.\n"; - } + 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 [ [ [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 $rc.\n"; + return -1; } } sub Destroy { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } - my $arg = shift; + my $id = shift; - if (!defined($arg) || scalar($arg) < 1) { - print "destroy requires the object number to destroy.\n"; - return; + if (!defined($id) || scalar($id) < 1) { + print "usage: destroy \n"; + return -1; } - print "Destroying object $arg...\n"; - my $packed = pack("IL", $::client_id, $arg); - my $rc = ioctl(DEV_OBD, &OBD_IOC_DESTROY, $packed); + 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"; + 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 $rc.\n"; + return -1; } } sub Getattr { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } - my $inode = shift; + my $id = shift; - if (!defined($inode) || scalar($inode) < 1) { - print "invalid arguments; type \"help getattr\" for a synopsis\n"; - return; + if (!defined($id) || scalar($id) < 1) { + print "invalid arguments; type \"help getattr\" for a synopsis\n"; + return -1; } # see Setattr - my $packed = pack("ILsx2lLLLI", $::client_id, $inode, 0, 0, 0, 0, 0, 0, 0, - 0); - my $rc = ioctl(DEV_OBD, &OBD_IOC_GETATTR, $packed); - + 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"; + print STDERR "ioctl failed: $!\n"; + return -1; } elsif ($rc eq "0 but true") { - my ($valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, $flags); - ($valid, $mode, $uid, $gid, $size, $atime, $mtime, $ctime, $flags) = - unpack("ISssx2lLLLI", $packed); - - 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))); - printf("mtime: %08lx -- %s\n", $mtime, scalar(gmtime($mtime))); - printf("flags: %08x\n", $flags); - print "Finished (success)\n"; + $obdo = obdo_unpack($packed, 4); + obdo_print($obdo); + return 0; } else { - print "ioctl returned error code $rc.\n"; + print "ioctl returned error code $rc.\n"; + return -1; } } sub Setattr { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } - my $inode = shift; - my $valid = 0; - my $mode = oct(shift); - my $uid = shift; - my $gid = shift; - my $size = shift; - my $atime = shift; - my $mtime = shift; - my $ctime = shift; + my $id = shift; + + if (!defined($id) || scalar($id) < 1) { + print "invalid arguments; type \"help setattr\" for a synopsis\n"; + return -1; + } - if (defined($uid)) { - $valid |= &ATTR_UID; + # 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})) { + $obdo->{valid} |= &OBD_MD_FLATIME; } - if (defined($gid)) { - $valid |= &ATTR_GID; + if (defined($obdo->{mtime})) { + $obdo->{valid} |= &OBD_MD_FLMTIME; } - if (defined($size)) { - $valid |= &ATTR_SIZE; + if (defined($obdo->{ctime})) { + $obdo->{valid} |= &OBD_MD_FLCTIME; } - if (defined($atime)) { - $valid |= &ATTR_ATIME; + if (defined($obdo->{size})) { + $obdo->{valid} |= &OBD_MD_FLSIZE; } - if (defined($mtime)) { - $valid |= &ATTR_MTIME; + if (defined($obdo->{mode})) { + $obdo->{valid} |= &OBD_MD_FLMODE; } - if (defined($ctime)) { - $valid |= &ATTR_CTIME; + if (defined($obdo->{uid})) { + $obdo->{valid} |= &OBD_MD_FLUID; } - if (defined($mode)) { - $valid |= &ATTR_MODE; + if (defined($obdo->{gid})) { + $obdo->{valid} |= &OBD_MD_FLGID; } - if (!defined($inode) || scalar($inode) < 1) { - print "invalid arguments; type \"help setattr\" for a synopsis\n"; - return; + 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; } - - #struct iattr { - # unsigned int ia_valid; (32) - # umode_t ia_mode; (16) - # uid_t ia_uid; (16) - # gid_t ia_gid; (16) - # -- 16 bit alignment here! -- - # off_t ia_size; (32) - # time_t ia_atime; (32) - # time_t ia_mtime; (32) - # 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); + my $rc = ioctl($::dev_obd, &OBD_IOC_SETATTR, $packed); 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 $rc.\n"; + return -1; } } sub Read { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } - my $inode = shift; + my $id = shift; my $count = shift; my $offset = shift; - if (!defined($inode) || scalar($inode) < 1 || !defined($count) || - $count < 1 || (defined($offset) && $offset < 0)) { - print "invalid arguments; type \"help read\" for a synopsis\n"; - return; + if (!defined($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; + $offset = 0; } print("Reading $count bytes starting at byte $offset from object " . - "$inode...\n"); + "$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("ILpLLL", $::client_id, $inode, $buf, $count, $offset, 0); + my $packed = pack("L", $::client_id) . obdo_pack($obdo) . + pack("p LL LL", $buf, $count, $offset); - my $rc = ioctl(DEV_OBD, &OBD_IOC_READ, $packed); + 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"; + 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"; - } else { - print "Finished (error $retval)\n"; - } + if ($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"; + print "ioctl returned error code $rc.\n"; + return -1; } } sub Read2 { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } - my $inode = shift; + my $id = shift; my $count = shift; my $offset = shift; - if (!defined($inode) || scalar($inode) < 1 || !defined($count) || - $count < 1 || (defined($offset) && $offset < 0)) { - print "invalid arguments; type \"help read\" for a synopsis\n"; - return; + if (!defined($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; + $offset = 0; } print("Reading $count bytes starting at byte $offset from object " . - "$inode...\n"); + "$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("ILpLLL", $::client_id, $inode, $buf, $count, $offset, 0); + my $packed = pack("L", $::client_id) . obdo_pack($obdo) . + pack("p LL LL", $buf, $count, $offset); - my $rc = ioctl(DEV_OBD, &OBD_IOC_READ2, $packed); + 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"; + 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"; - } else { - print "Finished (error $retval)\n"; - } + if ($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"; + print "ioctl returned error code $rc.\n"; + return -1; } } sub Write { if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + print "You must first ``connect''.\n"; + return -1; } - my $inode = shift; + my $id = shift; my $offset = shift; my $text = join(' ', @_); my $count = length($text); - if (!defined($inode) || scalar($inode) < 1 || !defined($offset) || - scalar($offset) < 0) { - print "invalid arguments; type \"help write\" for a synopsis\n"; - return; + 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; + $text = ""; + $count = 0; } - print("Writing $count bytes starting at byte $offset to object " . - "$inode...\n"); + 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("ILpLLL", $::client_id, $inode, $text, $count, $offset, 0); - my $rc = ioctl(DEV_OBD, &OBD_IOC_WRITE, $packed); + 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"; + 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"; - } else { - print "Finished (error $retval)\n"; - } + if ($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"; + 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: $!\n"; + } elsif ($rc eq "0 but true") { + 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"; + return -1; } } sub Preallocate { - my $arg = shift; + my $num = shift; if (!defined($::client_id)) { - print "You must first ``connect''.\n"; - return; + 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("LLx128", $::client_id, $arg); - # client id, alloc, inodes[32] + print "Preallocating $num objects...\n"; + # client id, alloc, id[32] + my $packed = pack("LLx128", $::client_id, $num); - my $rc = ioctl(DEV_OBD, &OBD_IOC_PREALLOCATE, $packed); + 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("x4L", $packed); - my @inodes = unpack("x8L32", $packed); - my $i; - - print "Got $alloc inodes: "; - foreach $i (@inodes) { - print $i . " "; - } - print "\nFinished (success)\n"; + my $alloc = unpack("x4L", $packed); + my @ids = unpack("x8L32", $packed); + my $i; + + 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, 0); + 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; + print "You must first ``connect''.\n"; + return -1; } # struct statfs { @@ -1166,39 +1744,47 @@ sub Statfs { # }; my $packed = pack("LLLLLLLIILL6", $::client_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0); + 0, 0, 0, 0, 0, 0); - my $rc = ioctl(DEV_OBD, &OBD_IOC_STATFS, $packed); + 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"; + 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, $ffree free.\n"; - print "Finished (success)\n"; + # skip both the conn_id and the fs_type in the buffer + my ($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"; + 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($::client_id); + print "Disconnecting active session ($::client_id)..."; + Disconnect($::client_id); } exit; }