openbsd-ports/infrastructure/lib/DPB/Engine.pm

428 lines
9.4 KiB
Perl

# ex:ts=8 sw=4:
# $OpenBSD: Engine.pm,v 1.7 2010/10/27 12:58:26 espie Exp $
#
# Copyright (c) 2010 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 DPB::Engine;
use DPB::Heuristics;
use DPB::Util;
sub new
{
my ($class, $builder, $heuristics, $logger, $locker) = @_;
my $o = bless {built => {}, tobuild => {},
buildable => $heuristics->new_queue,
later => {}, building => {},
installable => {}, builder => $builder,
all => {},
heuristics => $heuristics,
locker => $locker,
logger => $logger,
errors => [],
locks => [],
requeued => [],
ignored => []}, $class;
$o->{log} = DPB::Util->make_hot($logger->open("engine"));
$o->{stats} = DPB::Util->make_hot($logger->open("stats"));
return $o;
}
sub has_errors
{
my $self = shift;
if (@{$self->{errors}} != 0 || @{$self->{locks}} != 0) {
$self->{locker}->recheck_errors($self);
return 1;
}
return 0;
}
sub log_no_ts
{
my ($self, $kind, $v, $extra) = @_;
$extra //= '';
my $fh = $self->{log};
print $fh "$$\@$self->{ts}: $kind: ", $v->fullpkgpath, "$extra\n";
}
sub log
{
my $self = shift;
$self->{ts} = time();
$self->log_no_ts(@_);
}
sub count
{
my ($self, $field) = @_;
my $r = $self->{$field};
if (ref($r) eq 'HASH') {
return scalar keys %$r;
} elsif (ref($r) eq 'ARRAY') {
return scalar @$r;
} else {
return "?";
}
}
sub errors_string
{
my ($self, $name) = @_;
my @l = ();
for my $e (@{$self->{$name}}) {
my $s = $e->fullpkgpath;
if (defined $e->{host} && !$e->{host}->is_localhost) {
$s .= "(".$e->{host}->name.")";
}
push(@l, $s);
}
return join(' ', @l);
}
sub report
{
my $self = shift;
return join(" ",
"I=".$self->count("installable"),
"B=".$self->count("built"),
"Q=".$self->{buildable}->count,
"T=".$self->count("tobuild"),
"!=".$self->count("ignored"))."\n".
"L=".$self->errors_string('locks')."\n".
"E=".$self->errors_string('errors')."\n";
}
sub stats
{
my $self = shift;
my $fh = $self->{stats};
$self->{statline} //= "";
my $line = join(" ",
"I=".$self->count("installable"),
"B=".$self->count("built"),
"Q=".$self->{buildable}->count,
"T=".$self->count("tobuild"));
if ($line ne $self->{statline}) {
$self->{statline} = $line;
print $fh $self->{ts}, " ", $line, "\n";
}
}
sub finished_scanning
{
my $self = shift;
# this is scary, we need to do it by-pkgname
my $needed_by = {};
my $bneeded_by = {};
for my $v (values %{$self->{all}}) {
# also, this is an approximation, we could be more specific wrt
# BUILD/RUN_DEPENDS, this leads to more code in check_buildable...
for my $kind (qw(RUN_DEPENDS LIB_DEPENDS)) {
next unless defined $v->{info}{$kind};
for my $depend (values %{$v->{info}{$kind}}) {
next if $depend eq $v;
my $pkgname = $depend->fullpkgname;
next if !defined $pkgname;
$needed_by->{$pkgname}{$v} = $v;
}
}
if (defined $v->{info}{BUILD_DEPENDS}) {
for my $depend (values %{$v->{info}{BUILD_DEPENDS}}) {
next if $depend eq $v;
my $pkgname = $depend->fullpkgname;
next if !defined $pkgname;
$bneeded_by->{$pkgname}{$v} = $v;
}
}
}
# then we link each pkgpath to its array
for my $v (values %{$self->{all}}) {
if (defined $needed_by->{$v->fullpkgname}) {
$v->{info}{NEEDED_BY} = $needed_by->{$v->fullpkgname};
bless $v->{info}{NEEDED_BY}, "AddDepends";
}
if (defined $bneeded_by->{$v->fullpkgname}) {
$v->{info}{BNEEDED_BY} = $bneeded_by->{$v->fullpkgname};
bless $v->{info}{BNEEDED_BY}, "AddDepends";
}
}
}
sub important
{
my $self = shift;
$self->{lasterrors} //= 0;
if (@{$self->{errors}} != $self->{lasterrors}) {
$self->{lasterrors} = @{$self->{errors}};
return "Error in ".join(' ', map {$_->fullpkgpath} @{$self->{errors}})."\n";
}
}
sub adjust
{
my ($self, $v, $kind) = @_;
return 0 if !exists $v->{info}{$kind};
my $not_yet = 0;
for my $d (values %{$v->{info}{$kind}}) {
$self->{heuristics}->mark_depend($d, $v);
if ($self->{installable}{$d} ||
(defined $d->{info} &&
$d->fullpkgname eq $v->fullpkgname)) {
delete $v->{info}{$kind}{$d};
} else {
$not_yet++;
}
}
return $not_yet if $not_yet;
delete $v->{info}{$kind};
return 0;
}
sub adjust_extra
{
my ($self, $v, $kind) = @_;
return 0 if !exists $v->{info}{$kind};
my $not_yet = 0;
for my $d (values %{$v->{info}{$kind}}) {
$self->{heuristics}->mark_depend($d, $v);
if ((defined $d->{info} && !$self->{tobuild}{$d}) ||
(defined $d->fullpkgname &&
$d->fullpkgname eq $v->fullpkgname)) {
delete $v->{info}{$kind}{$d};
} else {
$not_yet++;
}
}
return $not_yet if $not_yet;
delete $v->{info}{$kind};
return 0;
}
sub check_buildable
{
my $self = shift;
$self->{ts} = time();
my $changes;
do {
$changes = 0;
for my $v (values %{$self->{tobuild}}) {
if ($self->was_built($v)) {
$changes++;
} elsif (defined $v->{info}{IGNORE}) {
delete $self->{tobuild}{$v};
push(@{$self->{ignored}}, $v);
$changes++;
}
}
for my $v (values %{$self->{built}}) {
if ($self->adjust($v, 'RDEPENDS') == 0) {
delete $self->{built}{$v};
$self->{installable}{$v} = $v;
$self->log_no_ts('I', $v);
$changes++;
}
}
for my $v (values %{$self->{tobuild}}) {
if ($self->was_built($v)) {
$changes++;
next;
}
my $has = $self->adjust($v, 'DEPENDS');
$has += $self->adjust_extra($v, 'EXTRA');
if ($has == 0) {
$self->{buildable}->add($v);
$self->log_no_ts('Q', $v);
delete $self->{tobuild}{$v};
$changes++;
}
}
} while ($changes);
$self->stats;
}
sub was_built
{
my ($self, $v) = @_;
if ($self->{builder}->check($v)) {
# $self->{heuristics}->done($v);
$self->{built}{$v}= $v;
$self->log('B', $v);
delete $self->{tobuild}{$v};
return 1;
} else {
return 0;
}
}
sub new_path
{
my ($self, $v) = @_;
$self->{all}{$v} = $v;
if (!$self->was_built($v)) {
# $self->{heuristics}->todo($v);
$self->{tobuild}{$v} = $v;
$self->log('T', $v);
}
}
sub end_job
{
my ($self, $core, $v) = @_;
my $e = $core->mark_ready;
if (!$self->was_built($v)) {
$core->failure;
if (!$e || $core->{status} == 65280) {
$self->{buildable}->add($v);
$self->{locker}->unlock($v);
$self->log('N', $v);
} else {
unshift(@{$self->{errors}}, $v);
$v->{host} = $core->host;
$self->{locker}->simple_unlock($v);
$self->log('E', $v);
}
} else {
$self->{locker}->unlock($v);
$self->{heuristics}->finish_special($v);
$core->success;
}
$self->job_done($v);
}
sub requeue
{
my ($self, $v) = @_;
$self->{buildable}->add($v);
$self->{heuristics}->finish_special($v);
}
sub rescan
{
my ($self, $v) = @_;
push(@{$self->{requeued}}, $v);
}
sub add_fatal
{
my ($self, $v) = @_;
push(@{$self->{errors}}, $v);
$self->{locker}->lock($v);
}
sub job_done
{
my ($self, $v) = @_;
for my $candidate (values %{$self->{later}}) {
if ($candidate->{pkgpath} eq $v->{pkgpath}) {
delete $self->{later}{$candidate};
$self->log('V', $candidate);
$self->{buildable}->add($candidate);
}
}
delete $self->{building}{$v->{pkgpath}};
$self->{locker}->recheck_errors($self);
}
sub new_job
{
my ($self, $core, $v, $lock) = @_;
my $special = $self->{heuristics}->special_parameters($core->host, $v);
$self->log('J', $v, " ".$core->hostname." ".$special);
$self->{builder}->build($v, $core, $special,
$lock, sub {$self->end_job($core, $v)});
}
sub rebuild_info
{
my ($self, $core) = @_;
my @l = @{$self->{requeued}};
$self->{requeued} = [];
for my $v (@l) {
delete $v->{info};
}
my @subdirs = map {$_->fullpkgpath} @l;
$self->{grabber}->grab_subdirs($core, \@subdirs);
# XXX todo something needs to happen after the rescan,
# along the lines of finished_scanning
}
sub start_new_job
{
my $self = shift;
my $core = $self->{builder}->get;
if (@{$self->{requeued}} > 0) {
$self->rebuild_info($core);
return;
}
my $o = $self->{buildable}->sorted($core);
while (my $v = $o->next) {
$self->{buildable}->remove($v);
if ($self->was_built($v)) {
$self->{logger}->make_log_link($v);
$self->job_done($v);
next;
}
if ($self->{building}{$v->{pkgpath}}) {
$self->{later}{$v} = $v;
$self->log('^', $v);
} elsif (my $lock = $self->{locker}->lock($v)) {
$self->{building}{$v->{pkgpath}} = 1;
$self->new_job($core, $v, $lock);
return;
} else {
push(@{$self->{locks}}, $v);
$self->log('L', $v);
}
}
$core->mark_ready;
}
sub can_build
{
my $self = shift;
return $self->{buildable}->non_empty || @{$self->{requeued}} > 0;
}
sub dump_category
{
my ($self, $k, $fh) = @_;
$fh //= \*STDOUT;
$k =~ m/^./;
my $q = "\u$&: ";
for my $v (sort {$a->fullpkgpath cmp $b->fullpkgpath}
values %{$self->{$k}}) {
print $fh $q;
$v->quick_dump($fh);
}
}
sub dump
{
my ($self, $fh) = @_;
$fh //= \*STDOUT;
for my $k (qw(built tobuild installable)) {
$self->dump_category($k, $fh);
}
print $fh "\n";
}
1;