package partition_table::gpt; # $Id: gpt.pm 252200 2009-01-27 18:08:22Z pterjan $

use diagnostics;
use strict;
use vars qw(@ISA);

@ISA = qw(partition_table::raw);

use partition_table::raw;
use c;

my $nb_primary = 128;

sub read_one {
    my ($hd, $_sector) = @_;

    c::get_disk_type($hd->{file}) eq "gpt" or die "not a GPT disk";

    my @pt;
    foreach (c::get_disk_partitions($hd->{file})) {
	log::l($_);
	if (/^([^ ]*) ([^ ]*) ([^ ]*) (.*) \((\d*),(\d*),(\d*)\)$/) {
            my %p;
            $p{part_number} = $1;
            $p{real_device} = $2;
            $p{fs_type} = $3;
            $p{pt_type} = 0xba;
            $p{start} = $5;
            $p{size} = $7;
            @pt[$p{part_number}-1] = \%p;
        }
    }

    for (my $part_number = 1; $part_number < $nb_primary; $part_number++) {
	next if exists($pt[$part_number-1]);
	$pt[$part_number-1] = { part_number => $part_number };
    }

    \@pt;
}

sub write {
    my ($hd, $_sector, $_pt, $_info) = @_;

    # Initialize the disk if current partition table is not gpt
    if (c::get_disk_type($hd->{file}) ne "gpt") {
        c::set_disk_type($hd->{file}, "gpt");
    }

    foreach (@{$hd->{will_tell_kernel}}) {
        my ($action, $part_number, $o_start, $o_size) = @$_;
        my $part;
        print "($action, $part_number, $o_start, $o_size)\n";
        if ($action eq 'add') {
            c::disk_add_partition($hd->{file}, $o_start, $o_size, $part->{fs_type}) or die "failed to add partition";
        } elsif ($action eq 'del') {
            c::disk_del_partition($hd->{file}, $part_number) or die "failed to del partition";
        }
    }
    common::sync();
    1;
}

sub initialize {
    my ($class, $hd) = @_;
    $hd->{primary} = { raw => [] };
    bless $hd, $class;
}

sub can_add { &can_raw_add }
sub adjustStart {}
sub adjustEnd {}

1;