wwwlisting: avoid hogging event loop

By using the just-introduced ConfigIter class.
And make ManifestJsGz a subclass of it to reduce duplication.

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/PublicInbox/ConfigIter.pm b/lib/PublicInbox/ConfigIter.pm
index 26cc70e2..e6fa8172 100644
--- a/lib/PublicInbox/ConfigIter.pm
+++ b/lib/PublicInbox/ConfigIter.pm
@@ -25,4 +25,16 @@ sub event_step {
         PublicInbox::DS::requeue($self) if defined($section);
 }
 
+# for generic PSGI servers
+sub each_section {
+        my $self = shift;
+        my ($pi_cfg, $i, $cb, @arg) = @$self;
+        while (defined(my $section = $pi_cfg->{-section_order}->[$$i++])) {
+                eval { $cb->($pi_cfg, $section, @arg) };
+                warn "E: $@ in ${self}::each_section" if $@;
+        }
+        eval { $cb->($pi_cfg, undef, @arg) };
+        warn "E: $@ in ${self}::each_section" if $@;
+}
+
 1;