2015-06-22 12:18:19 +00:00

159 lines
3.4 KiB
Perl

# ex:ts=8 sw=4:
# $OpenBSD: ErrorList.pm,v 1.4 2015/06/22 12:18:19 espie Exp $
#
# Copyright (c) 2010-2013 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;
# Abstract interface to problems that must be handled asynchronously
# the base class manages a list of issues, and has a basic "recheck"
# call (template method pattern) that will be specialized.
package DPB::ErrorList::Base;
sub new
{
my $class = shift;
bless [], $class;
}
sub recheck
{
my ($list, $engine) = @_;
return if @$list == 0;
my $locker = $engine->{locker};
my @keep = ();
while (my $v = shift @$list) {
if ($list->unlock_early($v, $engine)) {
$locker->unlock($v);
next;
}
if ($locker->locked($v)) {
push(@keep, $v);
} else {
$list->reprepare($v, $engine);
}
}
push(@$list, @keep) if @keep != 0;
}
sub stringize
{
my $list = shift;
my @l = ();
for my $e (@$list) {
my $s = $e->logname;
if (defined $e->{host} && !$e->{host}->is_localhost) {
$s .= "(".$e->{host}->name.")";
}
if (defined $e->{info} && $e->{info}->has_property('nojunk')) {
$s .= '!';
}
push(@l, $s);
}
return join(' ', @l);
}
sub reprepare
{
my ($class, $v, $engine) = @_;
$v->requeue($engine);
}
# actual errors, if the user removes the lock, then rescan and requeue
package DPB::ErrorList;
our @ISA = (qw(DPB::ErrorList::Base));
sub unlock_early
{
my ($list, $v, $engine) = @_;
if ($v->unlock_conditions($engine)) {
$v->requeue($engine);
return 1;
} else {
return 0;
}
}
sub reprepare
{
my ($list, $v, $engine) = @_;
$engine->rescan($v);
}
# locks: stuff that can't be built because something else with an almost
# identical path is building.
package DPB::LockList;
our @ISA = (qw(DPB::ErrorList::Base));
sub unlock_early
{
&DPB::ErrorList::unlock_early;
}
sub stringize
{
my $list = shift;
my @l = ();
my $done = {};
for my $e (@$list) {
my $s = $e->lockname;
if (!defined $done->{$s}) {
push(@l, $s);
$done->{$s} = 1;
}
}
return join(' ', @l);
}
# NFS overload handling. Doesn't appear that often these days
# at the end of a succesful build, the packages might not show up
# directly. So keep them around
package DPB::NFSList;
our @ISA = (qw(DPB::ErrorList::Base));
sub reprepare
{
&DPB::ErrorList::reprepare;
}
sub unlock_early
{
my ($list, $v, $engine) = @_;
my $okay = 1;
my $sub = $engine->{buildable};
my $h = $sub->{nfs}{$v};
while (my ($k, $w) = each %$h) {
if ($sub->remove_stub($w)) {
delete $h->{$k};
} elsif ($sub->{builder}->end_check($w)) {
$sub->mark_as_done($w);
delete $h->{$k};
} else {
$okay = 0;
# infamous: this is the case where the server is late
# seeing the files
$engine->log('H', $w);
}
}
if ($okay) {
delete $sub->{nfs}{$v};
}
return $okay;
}
1;