-# Copyright (C) 2016-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2016-2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-# event cleanups (currently for Danga::Socket)
+# event cleanups (for PublicInbox::DS)
package PublicInbox::EvCleanup;
use strict;
use warnings;
-use base qw(Danga::Socket);
-use fields qw(rd);
+require PublicInbox::DS;
-our $ENABLED;
-my $singleton;
-my $asapq = [ [], undef ];
-my $nextq = [ [], undef ];
+# this only runs under public-inbox-{httpd/nntpd}, not generic PSGI servers
+my $ENABLED;
+sub enabled { $ENABLED }
+sub enable { $ENABLED = 1 }
my $laterq = [ [], undef ];
-sub once_init () {
- my $self = fields::new('PublicInbox::EvCleanup');
- my ($r, $w);
- pipe($r, $w) or die "pipe: $!";
- $self->SUPER::new($w);
- $self->{rd} = $r; # never read, since we never write..
- $self;
-}
-
-sub _run_all ($) {
- my ($q) = @_;
-
- my $run = $q->[0];
- $q->[0] = [];
- $q->[1] = undef;
- $_->() foreach @$run;
-}
-
-# ensure Danga::Socket::ToClose fires after timers fire
-sub _asap_close () { $asapq->[1] ||= _asap_timer() }
-
-sub _run_asap () { _run_all($asapq) }
-sub _run_next () {
- _run_all($nextq);
- _asap_close();
-}
-
sub _run_later () {
- _run_all($laterq);
- _asap_close();
-}
-
-# Called by Danga::Socket
-sub event_write {
- my ($self) = @_;
- $self->watch_write(0);
- _run_asap();
-}
-
-sub _asap_timer () {
- $singleton ||= once_init();
- $singleton->watch_write(1);
- 1;
-}
-
-sub asap ($) {
- my ($cb) = @_;
- push @{$asapq->[0]}, $cb;
- $asapq->[1] ||= _asap_timer();
-}
-
-sub next_tick ($) {
- my ($cb) = @_;
- push @{$nextq->[0]}, $cb;
- $nextq->[1] ||= Danga::Socket->AddTimer(0, *_run_next);
+ my $run = $laterq->[0];
+ $laterq->[0] = [];
+ $laterq->[1] = undef;
+ $_->() foreach @$run;
}
sub later ($) {
my ($cb) = @_;
push @{$laterq->[0]}, $cb;
- $laterq->[1] ||= Danga::Socket->AddTimer(60, *_run_later);
-}
-
-END {
- _run_asap();
- _run_all($nextq);
- _run_all($laterq);
+ $laterq->[1] ||= PublicInbox::DS->AddTimer(60, *_run_later);
}
+END { _run_later() }
1;