+ bless { app => $app, env => \%env }, $class;
+}
+
+my %httpds; # per-listen-FD mapping for HTTPD->{env}->{SERVER_<NAME|PORT>}
+my $default_app; # ugh...
+
+sub refresh {
+ if (@main::ARGV) {
+ eval { $default_app = Plack::Util::load_psgi(@ARGV) };
+ if ($@) {
+ die $@,
+"$0 runs in /, command-line paths must be absolute\n";
+ }
+ } else {
+ require PublicInbox::WWW;
+ my $www = PublicInbox::WWW->new;
+ $www->preload;
+ $default_app = builder {
+ eval { enable 'ReverseProxy' };
+ $@ and warn <<EOM;
+Plack::Middleware::ReverseProxy missing,
+URL generation for redirects may be wrong if behind a reverse proxy
+EOM
+ enable 'Head';
+ sub { $www->call(@_) };
+ };
+ }
+ %httpds = (); # invalidate cache
+}
+
+sub post_accept { # Listener->{post_accept}
+ my ($client, $addr, $srv) = @_; # $_[3] - tls_wrap (unused)
+ my $httpd = $httpds{fileno($srv)} //=
+ __PACKAGE__->new($srv, $default_app, $client);
+ PublicInbox::HTTP->new($client, $addr, $httpd),