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DualIndexHashObject can now enqueue saves to prevent repeated-save thrashing

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This commit is contained in:
Pragmatic Software 2020-05-14 16:57:34 -07:00
parent a91c2cd71e
commit 506ebf13c6
2 changed files with 34 additions and 12 deletions
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39
PBot/DualIndexHashObject.pm
View File

@ -36,6 +36,7 @@ sub initialize {
my ($self, %conf) = @_;
$self->{name} = $conf{name} // 'Dual Index hash object';
$self->{filename} = $conf{filename} // Carp::carp("Missing filename to DualIndexHashObject, will not be able to save to or load from file.");
$self->{save_queue_timeout} = $conf{save_queue_timeout} // 0;
$self->{hash} = {};
}
@ -107,20 +108,34 @@ sub save {
return;
}
$self->{pbot}->{logger}->log("Saving $self->{name} to $filename\n");
my $subref = sub {
$self->{pbot}->{logger}->log("Saving $self->{name} to $filename\n");
if (not $self->get_data('$metadata$', '$metadata$', 'update_version')) {
$self->add('$metadata$', '$metadata$', { update_version => PBot::VERSION::BUILD_REVISION });
if (not $self->get_data('$metadata$', '$metadata$', 'update_version')) {
$self->add('$metadata$', '$metadata$', { update_version => PBot::VERSION::BUILD_REVISION });
}
$self->set('$metadata$', '$metadata$', 'name', $self->{name}, 1);
my $json = JSON->new;
my $json_text = $json->pretty->canonical->utf8->encode($self->{hash});
open(FILE, "> $filename") or die "Couldn't open $filename: $!\n";
print FILE "$json_text\n";
close FILE;
};
if ($self->{save_queue_timeout}) {
# enqueue the save to prevent save-thrashing
$self->{pbot}->{timer}->replace_subref_or_enqueue_event(
$subref,
$self->{save_queue_timeout},
"save $self->{name}",
);
} else {
# execute it right now
$subref->();
}
$self->set('$metadata$', '$metadata$', 'name', $self->{name}, 1);
my $json = JSON->new;
my $json_text = $json->pretty->canonical->utf8->encode($self->{hash});
open(FILE, "> $filename") or die "Couldn't open $filename: $!\n";
print FILE "$json_text\n";
close FILE;
}
sub clear {

7
PBot/PBot.pm
View File

@ -258,6 +258,13 @@ sub initialize {
# give botowner all capabilities
$self->{capabilities}->rebuild_botowner_capabilities();
# flush all pending save events to disk at exit
$self->{atexit}->register(sub {
$self->{pbot}->{timer}->execute_and_dequeue_event('save *');
return;
}
);
}
sub random_nick {