[PATCH 06/10] lei_auth: migrate common auth code from lei_import

[Eric Wong <e@80x24.org>]

lei_to_mail will be able to use this, too.
---
 lib/PublicInbox/LeiAuth.pm   | 37 +++++++++++++++++++++++++++++++++-
 lib/PublicInbox/LeiImport.pm | 39 ++++++------------------------------
 2 files changed, 42 insertions(+), 34 deletions(-)

diff --git a/lib/PublicInbox/LeiAuth.pm b/lib/PublicInbox/LeiAuth.pm
index 5d321be2..d329eadb 100644
--- a/lib/PublicInbox/LeiAuth.pm
+++ b/lib/PublicInbox/LeiAuth.pm
@@ -8,7 +8,6 @@ use strict;
 use v5.10.1;
 use parent qw(PublicInbox::IPC);
 use PublicInbox::PktOp qw(pkt_do);
-use PublicInbox::NetReader;
 
 sub net_merge {
 	my ($lei, $net_new) = @_;
@@ -28,6 +27,42 @@ sub do_auth { # called via wq_io_do
 	net_merge($lei, $net); # tell lei-daemon updated auth info
 }
 
+sub do_auth_atfork { # used by IPC WQ workers
+	my ($self, $wq) = @_;
+	return if $wq->{-wq_worker_nr} != 0;
+	my $lei = $wq->{lei};
+	my $net = $self->{net};
+	my $mics = $net->imap_common_init($lei);
+	net_merge($lei, $net);
+	$net->{mics_cached} = $mics;
+}
+
+sub net_merge_done1 { # bump merge-count in top-level lei-daemon
+	my ($wq) = @_;
+	return if ++$wq->{nr_net_merge_done} != $wq->{-wq_nr_workers};
+	$wq->net_merge_complete; # defined per wq-class (e.g. LeiImport)
+}
+
+sub net_merge_all { # called via wq_broadcast
+	my ($wq, $net_new) = @_;
+	my $net = $wq->{lei}->{net};
+	%$net = (%$net, %$net_new);
+	pkt_do($wq->{lei}->{pkt_op_p}, 'net_merge_done1') or
+		die "pkt_op_do net_merge_done1: $!";
+}
+
+# called by top-level lei-daemon when first worker is done with auth
+sub net_merge_continue {
+	my ($wq, $net_new) = @_;
+	$wq->wq_broadcast('net_merge_all', $net_new);
+}
+
+sub op_merge { # prepares PktOp->pair ops
+	my ($self, $ops, $wq) = @_;
+	$ops->{net_merge} = [ \&net_merge_continue, $wq ];
+	$ops->{net_merge_done1} = [ \&net_merge_done1, $wq ];
+}
+
 sub do_finish_auth { # dwaitpid callback
 	my ($arg, $pid) = @_;
 	my ($self, $lei, $post_auth_cb, @args) = @$arg;
diff --git a/lib/PublicInbox/LeiImport.pm b/lib/PublicInbox/LeiImport.pm
index 5e2e61af..bc37c628 100644
--- a/lib/PublicInbox/LeiImport.pm
+++ b/lib/PublicInbox/LeiImport.pm
@@ -29,20 +29,7 @@ sub import_done { # EOF callback for main daemon
 	$imp->wq_wait_old(\&import_done_wait, $lei);
 }
 
-sub net_merge_all { # via wq_broadcast
-	my ($self, $net_new) = @_;
-	my $net = $self->{lei}->{net};
-	%$net = (%$net, %$net_new);
-	pkt_do($self->{lei}->{pkt_op_p}, 'net_merge_done1') or
-		die "pkt_op_do net_merge_done1: $!";
-}
-
-sub net_merge_continue { # first worker is done with auth
-	my ($self, $net_new) = @_;
-	$self->wq_broadcast('net_merge_all', $net_new);
-}
-
-sub net_merge_complete {
+sub net_merge_complete { # callback used by LeiAuth
 	my ($self) = @_;
 	for my $input (@{$self->{inputs}}) {
 		$self->wq_io_do('import_path_url', [], $input);
@@ -50,13 +37,6 @@ sub net_merge_complete {
 	$self->wq_close(1);
 }
 
-sub net_merge_done1 {
-	my ($self) = @_;
-	my $lei = $self->{lei};
-	return if ++$lei->{nr_net_merge_done} != $self->{-wq_nr_workers};
-	net_merge_complete($self);
-}
-
 sub import_start {
 	my ($lei) = @_;
 	my $self = $lei->{imp};
@@ -68,15 +48,11 @@ sub import_start {
 		$j = $nproc if $j > $nproc;
 	}
 	my $ops = { '' => [ \&import_done, $lei ] };
-	my $auth = $lei->{auth};
-	if ($auth) {
-		$ops->{net_merge} = [ \&net_merge_continue, $self ];
-		$ops->{net_merge_done1} = [ \&net_merge_done1, $self ];
-	}
+	$lei->{auth}->op_merge($ops, $self) if $lei->{auth};
 	$self->{-wq_nr_workers} = $j // 1; # locked
 	my $op = $lei->workers_start($self, 'lei_import', undef, $ops);
 	$self->wq_io_do('import_stdin', []) if $self->{0};
-	net_merge_complete($self) if !$auth;
+	net_merge_complete($self) unless $lei->{auth};
 	while ($op && $op->{sock}) { $op->event_step }
 }
 
@@ -147,12 +123,7 @@ sub ipc_atfork_child {
 	delete $lei->{imp}; # drop circular ref
 	$lei->lei_atfork_child;
 	$self->SUPER::ipc_atfork_child;
-	my $net = $lei->{net};
-	if ($net && $self->{-wq_worker_nr} == 0) {
-		my $mics = $net->imap_common_init($lei);
-		PublicInbox::LeiAuth::net_merge($lei, $net);
-		$net->{mics_cached} = $mics;
-	}
+	$lei->{auth}->do_auth_atfork($self) if $lei->{auth};
 	undef;
 }
 
@@ -222,4 +193,6 @@ sub import_stdin {
 	_import_fh($lei, delete $self->{0}, '<stdin>', $lei->{opt}->{'format'});
 }
 
+no warnings 'once'; # the following works even when LeiAuth is lazy-loaded
+*net_merge_all = \&PublicInbox::LeiAuth::net_merge_all;
 1;