From 85c83085eeb14be7e7b9a395fa9408241ecb8244 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 25 Apr 2016 05:12:43 +0000
Subject: split out NNTPD and HTTPD* modules

Hopefully this modularizes things a little and allows us
to work on a combined super server to save RAM.
---
 lib/PublicInbox/HTTPD.pm       | 46 ++++++++++++++++++++++++++++++++
 lib/PublicInbox/HTTPD/Async.pm | 35 +++++++++++++++++++++++++
 lib/PublicInbox/NNTPD.pm       | 59 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 140 insertions(+)
 create mode 100644 lib/PublicInbox/HTTPD.pm
 create mode 100644 lib/PublicInbox/HTTPD/Async.pm
 create mode 100644 lib/PublicInbox/NNTPD.pm

(limited to 'lib')

diff --git a/lib/PublicInbox/HTTPD.pm b/lib/PublicInbox/HTTPD.pm
new file mode 100644
index 00000000..78efaa50
--- /dev/null
+++ b/lib/PublicInbox/HTTPD.pm
@@ -0,0 +1,46 @@
+# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+package PublicInbox::HTTPD;
+use strict;
+use warnings;
+use Plack::Util;
+require PublicInbox::HTTPD::Async;
+require PublicInbox::Daemon;
+
+sub pi_httpd_async {
+	my ($io, $cb) = @_;
+	PublicInbox::HTTPD::Async->new($io, $cb);
+}
+
+sub new {
+	my ($class, $sock, $app) = @_;
+	my $n = getsockname($sock) or die "not a socket: $sock $!\n";
+	my ($host, $port) = PublicInbox::Daemon::host_with_port($n);
+
+	my %env = (
+		SERVER_NAME => $host,
+		SERVER_PORT => $port,
+		SCRIPT_NAME => '',
+		'psgi.version' => [ 1, 1 ],
+		'psgi.errors' => \*STDERR,
+		'psgi.url_scheme' => 'http',
+		'psgi.nonblocking' => Plack::Util::TRUE,
+		'psgi.streaming' => Plack::Util::TRUE,
+		'psgi.run_once'	 => Plack::Util::FALSE,
+		'psgi.multithread' => Plack::Util::FALSE,
+		'psgi.multiprocess' => Plack::Util::TRUE,
+		'psgix.harakiri'=> Plack::Util::FALSE,
+		'psgix.input.buffered' => Plack::Util::TRUE,
+		'pi-httpd.async' => do {
+			no warnings 'once';
+			*pi_httpd_async
+		},
+	);
+	bless {
+		app => $app,
+		env => \%env
+	}, $class;
+}
+
+1;
diff --git a/lib/PublicInbox/HTTPD/Async.pm b/lib/PublicInbox/HTTPD/Async.pm
new file mode 100644
index 00000000..63985026
--- /dev/null
+++ b/lib/PublicInbox/HTTPD/Async.pm
@@ -0,0 +1,35 @@
+# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+#
+# XXX This is a totally unstable API for public-inbox internal use only
+# This is exposed via the 'pi-httpd.async' key in the PSGI env hash.
+# The name of this key is not even stable!
+# Currently is is intended for use with read-only pipes.
+package PublicInbox::HTTPD::Async;
+use strict;
+use warnings;
+use base qw(Danga::Socket);
+use fields qw(cb);
+
+sub new {
+	my ($class, $io, $cb) = @_;
+	my $self = fields::new($class);
+	IO::Handle::blocking($io, 0);
+	$self->SUPER::new($io);
+	$self->{cb} = $cb;
+	$self->watch_read(1);
+	$self;
+}
+
+sub event_read { $_[0]->{cb}->() }
+sub event_hup { $_[0]->{cb}->() }
+sub event_err { $_[0]->{cb}->() }
+sub sysread { shift->{sock}->sysread(@_) }
+
+sub close {
+	my $self = shift;
+	$self->{cb} = undef;
+	$self->SUPER::close(@_);
+}
+
+1;
diff --git a/lib/PublicInbox/NNTPD.pm b/lib/PublicInbox/NNTPD.pm
new file mode 100644
index 00000000..85109ea7
--- /dev/null
+++ b/lib/PublicInbox/NNTPD.pm
@@ -0,0 +1,59 @@
+# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# represents an NNTPD (currently a singleton),
+# see script/public-inbox-nntpd for how it is used
+package PublicInbox::NNTPD;
+use strict;
+use warnings;
+require PublicInbox::NewsGroup;
+require PublicInbox::Config;
+
+sub new {
+	my ($class) = @_;
+	bless {
+		groups => {},
+		err => \*STDERR,
+		out => \*STDOUT,
+		grouplist => [],
+	}, $class;
+}
+
+sub refresh_groups () {
+	my ($self) = @_;
+	my $pi_config = PublicInbox::Config->new;
+	my $new = {};
+	my @list;
+	foreach my $k (keys %$pi_config) {
+		$k =~ /\Apublicinbox\.([^\.]+)\.mainrepo\z/ or next;
+		my $g = $1;
+		my $git_dir = $pi_config->{$k};
+		my $addr = $pi_config->{"publicinbox.$g.address"};
+		my $ngname = $pi_config->{"publicinbox.$g.newsgroup"};
+		if (defined $ngname) {
+			next if ($ngname eq ''); # disabled
+			$g = $ngname;
+		}
+		my $ng = PublicInbox::NewsGroup->new($g, $git_dir, $addr);
+		my $old_ng = $self->{groups}->{$g};
+
+		# Reuse the old one if possible since it can hold
+		# references to valid mm and gcf objects
+		if ($old_ng) {
+			$old_ng->update($ng);
+			$ng = $old_ng;
+		}
+
+		# Only valid if msgmap and search works
+		if ($ng->usable) {
+			$new->{$g} = $ng;
+			push @list, $ng;
+		}
+	}
+	@list =	sort { $a->{name} cmp $b->{name} } @list;
+	$self->{grouplist} = \@list;
+	# this will destroy old groups that got deleted
+	%{$self->{groups}} = %$new;
+}
+
+1;
-- 
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