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# ex:ts=8 sw=4:
# $OpenBSD: Persistent.pm,v 1.1 2014/08/27 18:40:03 kspillner Exp $
#
# Copyright (c) 2003-2014 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package OpenBSD::PackageRepository::Persistent;
our @ISA=qw(OpenBSD::PackageRepository::Distant);
our %distant = ();
sub may_exist
{
my ($self, $name) = @_;
my $l = $self->list;
return grep {$_ eq $name } @$l;
}
sub grab_object
{
my ($self, $object) = @_;
my $cmdfh = $self->{cmdfh};
my $getfh = $self->{getfh};
print $cmdfh "ABORT\n";
while (<$getfh>) {
last if m/^ABORTED/o;
}
print $cmdfh "GET ", $self->{path}.$object->{name}.".tgz", "\n";
close($cmdfh);
$_ = <$getfh>;
chomp;
if (m/^ERROR:/o) {
$self->{state}->fatal("transfer error: #1", $_);
}
if (m/^TRANSFER:\s+(\d+)/o) {
my $buffsize = 10 * 1024;
my $buffer;
my $size = $1;
my $remaining = $size;
my $n;
do {
$n = read($getfh, $buffer,
$remaining < $buffsize ? $remaining :$buffsize);
if (!defined $n) {
$self->{state}->fatal("Error reading: #1", $!);
}
$remaining -= $n;
if ($n > 0) {
syswrite STDOUT, $buffer;
}
} while ($n != 0 && $remaining != 0);
exit(0);
}
}
sub maxcount
{
return 1;
}
sub opened
{
my $self = $_[0];
my $k = $self->{host};
if (!defined $distant{$k}) {
$distant{$k} = [];
}
return $distant{$k};
}
sub list
{
my ($self) = @_;
if (!defined $self->{list}) {
if (!defined $self->{controller}) {
$self->initiate;
}
my $cmdfh = $self->{cmdfh};
my $getfh = $self->{getfh};
my $path = $self->{path};
my $l = [];
print $cmdfh "LIST $path\n";
$_ = <$getfh>;
if (!defined $_) {
$self->{state}->fatal("Could not initiate #1 session",
$self->urlscheme);
}
chomp;
if (m/^ERROR:/o) {
$self->{state}->fatal("#1", $_);
}
if (!m/^SUCCESS:/o) {
$self->{state}->fatal("Synchronization error");
}
while (<$getfh>) {
chomp;
last if $_ eq '';
push(@$l, $_);
}
$self->{list} = $l;
}
return $self->{list};
}
sub cleanup
{
my $self = shift;
if (defined $self->{controller}) {
my $cmdfh = $self->{cmdfh};
my $getfh = $self->{getfh};
print $cmdfh "ABORT\nBYE\nBYE\n";
CORE::close($cmdfh);
CORE::close($getfh);
waitpid($self->{controller}, 0);
}
}
sub reinitialize
{
my $self = shift;
$self->initiate;
}
1;
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