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);
9 use PublicInbox::MboxReader;
11 use PublicInbox::InboxWritable qw(eml_from_path);
12 use PublicInbox::PktOp;
14 sub _import_eml { # MboxReader callback
15 my ($eml, $sto, $set_kw) = @_;
16 $sto->ipc_do('set_eml', $eml, $set_kw ? $sto->mbox_keywords($eml) : ());
19 sub import_done_wait { # dwaitpid callback
21 my ($imp, $lei) = @$arg;
22 $lei->child_error($?, 'non-fatal errors during import') if $?;
23 my $ign = $lei->{sto}->ipc_do('done'); # PublicInbox::LeiStore::done
27 sub import_done { # EOF callback for main daemon
29 my $imp = delete $lei->{imp} or return;
30 $imp->wq_wait_old(\&import_done_wait, $lei);
33 sub call { # the main "lei import" method
34 my ($cls, $lei, @argv) = @_;
35 my $sto = $lei->_lei_store(1);
36 $sto->write_prepare($lei);
37 $lei->{opt}->{kw} //= 1;
38 my $fmt = $lei->{opt}->{'format'};
39 my $self = $lei->{imp} = bless {}, $cls;
40 if (my @f = grep { -f } @argv && !$fmt) {
41 return $lei->fail("--format unset for regular files:\n@f");
43 $self->{0} = $lei->{0} if $lei->{opt}->{stdin};
45 '!' => [ $lei->can('fail_handler'), $lei ],
46 'x_it' => [ $lei->can('x_it'), $lei ],
47 'child_error' => [ $lei->can('child_error'), $lei ],
48 '' => [ \&import_done, $lei ],
50 ($lei->{pkt_op_c}, $lei->{pkt_op_p}) = PublicInbox::PktOp->pair($ops);
51 my $j = $lei->{opt}->{jobs} // scalar(@argv) || 1;
52 my $nproc = $self->detect_nproc;
53 $j = $nproc if $j > $nproc;
54 $self->wq_workers_start('lei_import', $j, $lei->oldset, {lei => $lei});
55 my $op = delete $lei->{pkt_op_c};
56 delete $lei->{pkt_op_p};
57 $self->wq_io_do('import_stdin', []) if $self->{0};
59 $self->wq_io_do('import_path_url', [], $x);
62 $lei->event_step_init; # wait for shutdowns
63 if ($lei->{oneshot}) {
64 while ($op->{sock}) { $op->event_step }
68 sub ipc_atfork_child {
70 $self->{lei}->lei_atfork_child;
71 $self->SUPER::ipc_atfork_child;
75 my ($lei, $fh, $x) = @_;
76 my $set_kw = $lei->{opt}->{kw};
77 my $fmt = $lei->{opt}->{'format'};
80 my $buf = do { local $/; <$fh> } //
81 return $lei->child_error(1 >> 8, <<"");
84 my $eml = PublicInbox::Eml->new(\$buf);
85 _import_eml($eml, $lei->{sto}, $set_kw);
87 my $cb = PublicInbox::MboxReader->can($fmt);
88 $cb or return $lei->child_error(1 >> 8, <<"");
89 --format $fmt unsupported for $x
91 $cb->(undef, $fh, \&_import_eml, $lei->{sto}, $set_kw);
94 $lei->child_error(1 >> 8, "<stdin>: $@") if $@;
97 sub _import_maildir { # maildir_each_file cb
98 my ($f, $sto, $set_kw) = @_;
99 $sto->ipc_do('set_eml_from_maildir', $f, $set_kw);
102 sub import_path_url {
104 my $lei = $self->{lei};
107 open my $fh, '<', $x or return $lei->child_error(1 >> 8, <<"");
108 unable to open $x: $!
110 _import_fh($lei, $fh, $x);
111 } elsif (-d _ && (-d "$x/cur" || -d "$x/new")) {
112 require PublicInbox::LeiToMail;
113 PublicInbox::LeiToMail::maildir_each_file($x,
115 $lei->{sto}, $lei->{opt}->{kw});
117 $lei->fail("$x unsupported (TODO)");
123 _import_fh($self->{lei}, $self->{0}, '<stdin>');