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 $self->{lei}->{sto}->ipc_do('set_eml', $eml, $vmd, $xoids);
18 sub input_mbox_cb { # MboxReader callback
19 my ($eml, $self) = @_;
21 if ($self->{-import_kw}) {
22 my $kw = PublicInbox::MboxReader::mbox_keywords($eml);
23 $vmd = { kw => $kw } if scalar(@$kw);
25 input_eml_cb($self, $eml, $vmd);
28 sub input_maildir_cb { # maildir_each_eml cb
29 my ($f, $kw, $eml, $self) = @_;
30 input_eml_cb($self, $eml, $self->{-import_kw} ? { kw => $kw } : undef);
33 sub input_net_cb { # imap_each, nntp_each cb
34 my ($url, $uid, $kw, $eml, $self) = @_;
35 input_eml_cb($self, $eml, $self->{-import_kw} ? { kw => $kw } : undef);
38 sub import_done_wait { # dwaitpid callback
40 my ($imp, $lei) = @$arg;
41 $lei->child_error($?, 'non-fatal errors during import') if $?;
42 my $sto = delete $lei->{sto} // return $lei->fail('BUG: {sto} gone');
43 my $wait = $sto->ipc_do('done'); # PublicInbox::LeiStore::done
47 sub import_done { # EOF callback for main daemon
49 my $imp = delete $lei->{imp} // return $lei->fail('BUG: {imp} gone');
50 $imp->wq_wait_old(\&import_done_wait, $lei);
53 sub net_merge_complete { # callback used by LeiAuth
55 for my $input (@{$self->{inputs}}) {
56 $self->wq_io_do('input_path_url', [], $input);
61 sub lei_import { # the main "lei import" method
62 my ($lei, @inputs) = @_;
63 my $sto = $lei->_lei_store(1);
64 $sto->write_prepare($lei);
65 my $self = bless {}, __PACKAGE__;
66 $self->{-import_kw} = $lei->{opt}->{kw} // 1;
67 $self->prepare_inputs($lei, \@inputs) or return;
68 $lei->ale; # initialize for workers to read
69 my $j = $lei->{opt}->{jobs} // scalar(@{$self->{inputs}}) || 1;
70 if (my $net = $lei->{net}) {
71 # $j = $net->net_concurrency($j); TODO
73 my $nproc = $self->detect_nproc;
74 $j = $nproc if $j > $nproc;
76 my $ops = { '' => [ \&import_done, $lei ] };
77 $lei->{auth}->op_merge($ops, $self) if $lei->{auth};
78 $self->{-wq_nr_workers} = $j // 1; # locked
79 my ($op_c, undef) = $lei->workers_start($self, 'lei_import', $j, $ops);
81 $self->wq_io_do('input_stdin', []) if $self->{0};
82 net_merge_complete($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;