about summary refs log tree commit homepage
path: root/lib
diff options
context:
space:
mode:
authorEric Wong <e@80x24.org>2020-09-09 06:26:13 +0000
committerEric Wong <e@80x24.org>2020-09-10 19:45:18 +0000
commit8fdea96141a65ac85d22d21ed9e3f999259ee73c (patch)
treeadd5a5934733e2520fd04b152bde30cb223cb5dd /lib
parent352e2799ecec328f71aa33219214a0e3fc3d5f10 (diff)
downloadpublic-inbox-8fdea96141a65ac85d22d21ed9e3f999259ee73c.tar.gz
We will need to allow simultaneous iterators on the same
config object, since we'll need this for ExtMsg, NNTPD,
WwwListing, NewsWWW, and other places.
Diffstat (limited to 'lib')
-rw-r--r--lib/PublicInbox/Config.pm18
-rw-r--r--lib/PublicInbox/ConfigIter.pm28
-rw-r--r--lib/PublicInbox/IMAPD.pm6
3 files changed, 32 insertions, 20 deletions
diff --git a/lib/PublicInbox/Config.pm b/lib/PublicInbox/Config.pm
index f78115b6..8ccf337d 100644
--- a/lib/PublicInbox/Config.pm
+++ b/lib/PublicInbox/Config.pm
@@ -99,24 +99,6 @@ sub each_inbox {
         }
 }
 
-sub iterate_start {
-        my ($self, $cb, @arg) = @_;
-        my $i = 0;
-        $self->{-iter} = [ \$i, $cb, @arg ];
-}
-
-# for PublicInbox::DS::next_tick, we only call this is if
-# PublicInbox::DS is already loaded
-sub event_step {
-        my ($self) = @_;
-        my ($i, $cb, @arg) = @{$self->{-iter}};
-        my $section = $self->{-section_order}->[$$i++];
-        delete($self->{-iter}) unless defined($section);
-        eval { $cb->($self, $section, @arg) };
-        warn "E: $@ in ${self}::event_step" if $@;
-        PublicInbox::DS::requeue($self) if defined($section);
-}
-
 sub lookup_newsgroup {
         my ($self, $ng) = @_;
         _lookup_fill($self, '-by_newsgroup', lc($ng));
diff --git a/lib/PublicInbox/ConfigIter.pm b/lib/PublicInbox/ConfigIter.pm
new file mode 100644
index 00000000..26cc70e2
--- /dev/null
+++ b/lib/PublicInbox/ConfigIter.pm
@@ -0,0 +1,28 @@
+# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# Intended for PublicInbox::DS->EventLoop in read-only daemons
+# to avoid each_inbox() monopolizing the event loop when hundreds/thousands
+# of inboxes are in play.
+package PublicInbox::ConfigIter;
+use strict;
+use v5.10.1;
+
+sub new {
+        my ($class, $pi_cfg, $cb, @args) = @_;
+        my $i = 0;
+        bless [ $pi_cfg, \$i, $cb, @args ], __PACKAGE__;
+}
+
+# for PublicInbox::DS::next_tick, we only call this is if
+# PublicInbox::DS is already loaded
+sub event_step {
+        my $self = shift;
+        my ($pi_cfg, $i, $cb, @arg) = @$self;
+        my $section = $pi_cfg->{-section_order}->[$$i++];
+        eval { $cb->($pi_cfg, $section, @arg) };
+        warn "E: $@ in ${self}::event_step" if $@;
+        PublicInbox::DS::requeue($self) if defined($section);
+}
+
+1;
diff --git a/lib/PublicInbox/IMAPD.pm b/lib/PublicInbox/IMAPD.pm
index 09bedf5c..3c211ee1 100644
--- a/lib/PublicInbox/IMAPD.pm
+++ b/lib/PublicInbox/IMAPD.pm
@@ -6,6 +6,7 @@
 package PublicInbox::IMAPD;
 use strict;
 use PublicInbox::Config;
+use PublicInbox::ConfigIter;
 use PublicInbox::InboxIdle;
 use PublicInbox::IMAP;
 use PublicInbox::DummyInbox;
@@ -98,8 +99,9 @@ sub refresh_groups {
         my $pi_config = PublicInbox::Config->new;
         if ($sig) { # SIGHUP is handled through the event loop
                 $self->{imapd_next} = { dummies => {}, mailboxes => {} };
-                $pi_config->iterate_start(\&imapd_refresh_step, $self);
-                PublicInbox::DS::requeue($pi_config); # call event_step
+                my $iter = PublicInbox::ConfigIter->new($pi_config,
+                                                \&imapd_refresh_step, $self);
+                $iter->event_step;
         } else { # initial start is synchronous
                 $self->{dummies} = {};
                 $pi_config->each_inbox(\&imapd_refresh_ibx, $self);