1 # Copyright (C) 2021 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # front-end for the "lei import" sub-command
5 package PublicInbox::LeiImport;
8 use parent qw(PublicInbox::IPC PublicInbox::LeiInput);
10 # /^input_/ subs are used by (or override) PublicInbox::LeiInput superclass
12 sub input_eml_cb { # used by PublicInbox::LeiInput::input_fh
13 my ($self, $eml, $vmd) = @_;
14 my $xoids = $self->{lei}->{ale}->xoids_for($eml);
15 if (my $all_vmd = $self->{all_vmd}) {
17 @$vmd{keys %$all_vmd} = values %$all_vmd;
19 $self->{lei}->{sto}->ipc_do('set_eml', $eml, $vmd, $xoids);
22 sub input_mbox_cb { # MboxReader callback
23 my ($eml, $self) = @_;
25 if ($self->{-import_kw}) {
26 my $kw = PublicInbox::MboxReader::mbox_keywords($eml);
27 $vmd = { kw => $kw } if scalar(@$kw);
29 input_eml_cb($self, $eml, $vmd);
32 sub input_maildir_cb { # maildir_each_eml cb
33 my ($f, $kw, $eml, $self) = @_;
34 input_eml_cb($self, $eml, $self->{-import_kw} ? { kw => $kw } : undef);
37 sub input_net_cb { # imap_each, nntp_each cb
38 my ($url, $uid, $kw, $eml, $self) = @_;
39 input_eml_cb($self, $eml, $self->{-import_kw} ? { kw => $kw } : undef);
42 sub import_done { # EOF callback for main daemon
44 my $imp = delete $lei->{imp} // return $lei->fail('BUG: {imp} gone');
45 $imp->wq_wait_old($lei->can('wq_done_wait'), $lei, 'non-fatal');
48 sub net_merge_complete { # callback used by LeiAuth
50 $self->wq_io_do('process_inputs');
54 sub lei_import { # the main "lei import" method
55 my ($lei, @inputs) = @_;
56 my $sto = $lei->_lei_store(1);
57 $sto->write_prepare($lei);
58 my $self = bless {}, __PACKAGE__;
59 $self->{-import_kw} = $lei->{opt}->{kw} // 1;
60 my $vmd_mod = $self->vmd_mod_extract(\@inputs);
61 return $lei->fail(join("\n", @{$vmd_mod->{err}})) if $vmd_mod->{err};
62 $self->{all_vmd} = $vmd_mod if scalar keys %$vmd_mod;
63 $self->prepare_inputs($lei, \@inputs) or return;
64 $lei->ale; # initialize for workers to read
65 my $j = $lei->{opt}->{jobs} // scalar(@{$self->{inputs}}) || 1;
66 if (my $net = $lei->{net}) {
67 # $j = $net->net_concurrency($j); TODO
68 if ($lei->{opt}->{incremental} // 1) {
69 $net->{incremental} = 1;
70 $net->{itrk_fn} = $lei->store_path .
74 my $nproc = $self->detect_nproc;
75 $j = $nproc if $j > $nproc;
77 my $ops = { '' => [ \&import_done, $lei ] };
78 $lei->{auth}->op_merge($ops, $self) if $lei->{auth};
79 $self->{-wq_nr_workers} = $j // 1; # locked
80 (my $op_c, $ops) = $lei->workers_start($self, 'lei_import', $j, $ops);
82 net_merge_complete($self) unless $lei->{auth};
83 $op_c->op_wait_event($ops);
87 *ipc_atfork_child = \&PublicInbox::LeiInput::input_only_atfork_child;
89 # the following works even when LeiAuth is lazy-loaded
90 *net_merge_all = \&PublicInbox::LeiAuth::net_merge_all;