1 # Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
3 # based on notmuch, but with no concept of folders, files or flags
5 # Indexes mail with Xapian and our (SQLite-based) ::Msgmap for use
6 # with the web and NNTP interfaces. This index maintains thread
7 # relationships for use by PublicInbox::SearchThread.
8 # This writes to the search index.
9 package PublicInbox::SearchIdx;
12 use base qw(PublicInbox::Search PublicInbox::Lock);
13 use PublicInbox::MIME;
14 use PublicInbox::MID qw/mid_clean id_compress mid_mime mids references/;
15 use PublicInbox::MsgIter;
17 use POSIX qw(strftime);
18 require PublicInbox::Git;
23 OLD_PERM_EVERYBODY => 2,
25 PERM_EVERYBODY => 0664,
26 BATCH_BYTES => 1_000_000,
27 DEBUG => !!$ENV{DEBUG},
42 return $s unless ($s =~ /\A"(.*)"\z/);
44 $s =~ s/\\([abfnrtv])/$GIT_ESC{$1}/g;
45 $s =~ s/\\([0-7]{1,3})/chr(oct($1))/ge;
50 my ($class, $ibx, $creat, $part) = @_;
51 my $mainrepo = $ibx; # for "public-inbox-index" w/o entry in config
52 my $git_dir = $mainrepo;
56 $mainrepo = $ibx->{mainrepo};
57 $altid = $ibx->{altid};
58 $version = $ibx->{version} || 1;
60 require PublicInbox::AltId;
62 PublicInbox::AltId->new($ibx, $_);
67 $git = PublicInbox::Git->new($git_dir); # v1 only
69 require Search::Xapian::WritableDatabase;
71 mainrepo => $mainrepo,
76 my $perm = $self->_git_config_perm;
77 my $umask = _umask_for($perm);
78 $self->{umask} = $umask;
80 $self->{lock_path} = "$mainrepo/ssoma.lock";
81 } elsif ($version == 2) {
82 defined $part or die "partition is required for v2\n";
83 # partition is a number or "all"
84 $self->{partition} = $part;
85 $self->{lock_path} = undef;
86 $self->{msgmap_path} = "$mainrepo/msgmap.sqlite3";
88 die "unsupported inbox version=$version\n";
90 $self->{creat} = ($creat || 0) == 1;
96 my $xdb = delete $self->{xdb} or croak 'not acquired';
98 $self->lock_release if $self->{creat};
104 croak 'already acquired' if $self->{xdb};
105 my $dir = $self->xdir;
106 my $flag = Search::Xapian::DB_OPEN;
107 if ($self->{creat}) {
110 File::Path::mkpath($dir);
111 $flag = Search::Xapian::DB_CREATE_OR_OPEN;
113 $self->{xdb} = Search::Xapian::WritableDatabase->new($dir, $flag);
117 my ($doc, $col, $num) = @_;
118 $num = Search::Xapian::sortable_serialise($num);
119 $doc->add_value($col, $num);
122 sub add_values ($$) {
123 my ($doc, $values) = @_;
125 my $ts = $values->[PublicInbox::Search::TS];
126 add_val($doc, PublicInbox::Search::TS, $ts);
128 my $num = $values->[PublicInbox::Search::NUM];
129 defined($num) and add_val($doc, PublicInbox::Search::NUM, $num);
131 my $bytes = $values->[PublicInbox::Search::BYTES];
132 defined($bytes) and add_val($doc, PublicInbox::Search::BYTES, $bytes);
134 my $lines = $values->[PublicInbox::Search::LINES];
135 add_val($doc, PublicInbox::Search::LINES, $lines);
137 my $ds = $values->[PublicInbox::Search::DS];
138 add_val($doc, PublicInbox::Search::DS, $ds);
139 my $yyyymmdd = strftime('%Y%m%d', gmtime($ds));
140 add_val($doc, PublicInbox::Search::YYYYMMDD, $yyyymmdd);
143 sub index_users ($$) {
144 my ($tg, $smsg) = @_;
146 my $from = $smsg->from;
150 $tg->index_text($from, 1, 'A'); # A - author
151 $tg->increase_termpos;
152 $tg->index_text($to, 1, 'XTO') if $to ne '';
153 $tg->increase_termpos;
154 $tg->index_text($cc, 1, 'XCC') if $cc ne '';
155 $tg->increase_termpos;
158 sub index_diff_inc ($$$$) {
159 my ($tg, $text, $pfx, $xnq) = @_;
161 $tg->index_text(join("\n", @$xnq), 1, 'XNQ');
162 $tg->increase_termpos;
165 $tg->index_text($text, 1, $pfx);
166 $tg->increase_termpos;
169 sub index_old_diff_fn {
170 my ($tg, $seen, $fa, $fb, $xnq) = @_;
172 # no renames or space support for traditional diffs,
173 # find the number of leading common paths to strip:
174 my @fa = split('/', $fa);
175 my @fb = split('/', $fb);
176 while (scalar(@fa) && scalar(@fb)) {
177 $fa = join('/', @fa);
178 $fb = join('/', @fb);
180 unless ($seen->{$fa}++) {
181 index_diff_inc($tg, $fa, 'XDFN', $xnq);
191 sub index_diff ($$$) {
192 my ($tg, $lines, $doc) = @_;
198 if ($in_diff && s/^ //) { # diff context
199 index_diff_inc($tg, $_, 'XDFCTX', $xnq);
200 } elsif (/^-- $/) { # email signature begins
202 } elsif (m!^diff --git ("?a/.+) ("?b/.+)\z!) {
203 my ($fa, $fb) = ($1, $2);
204 my $fn = (split('/', git_unquote($fa), 2))[1];
205 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
206 $fn = (split('/', git_unquote($fb), 2))[1];
207 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
210 } elsif (m/^diff -(.+) (\S+) (\S+)$/) {
211 my ($opt, $fa, $fb) = ($1, $2, $3);
213 # only support unified:
214 next unless $opt =~ /[uU]/;
215 $in_diff = index_old_diff_fn($tg, \%seen, $fa, $fb,
217 } elsif (m!^--- ("?a/.+)!) {
218 my $fn = (split('/', git_unquote($1), 2))[1];
219 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
221 } elsif (m!^\+\+\+ ("?b/.+)!) {
222 my $fn = (split('/', git_unquote($1), 2))[1];
223 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
225 } elsif (/^--- (\S+)/) {
228 } elsif (defined $in_diff && /^\+\+\+ (\S+)/) {
229 $in_diff = index_old_diff_fn($tg, \%seen, $in_diff, $1,
231 } elsif ($in_diff && s/^\+//) { # diff added
232 index_diff_inc($tg, $_, 'XDFB', $xnq);
233 } elsif ($in_diff && s/^-//) { # diff removed
234 index_diff_inc($tg, $_, 'XDFA', $xnq);
235 } elsif (m!^index ([a-f0-9]+)\.\.([a-f0-9]+)!) {
236 my ($ba, $bb) = ($1, $2);
237 index_git_blob_id($doc, 'XDFPRE', $ba);
238 index_git_blob_id($doc, 'XDFPOST', $bb);
240 } elsif (/^@@ (?:\S+) (?:\S+) @@\s*$/) {
241 # traditional diff w/o -p
242 } elsif (/^@@ (?:\S+) (?:\S+) @@\s*(\S+.*)$/) {
243 # hunk header context
244 index_diff_inc($tg, $1, 'XDFHH', $xnq);
245 # ignore the following lines:
246 } elsif (/^(?:dis)similarity index/ ||
247 /^(?:old|new) mode/ ||
248 /^(?:deleted|new) file mode/ ||
249 /^(?:copy|rename) (?:from|to) / ||
250 /^(?:dis)?similarity index / ||
251 /^\\ No newline at end of file/ ||
252 /^Binary files .* differ/) {
258 warn "non-diff line: $_\n" if DEBUG && $_ ne '';
263 $tg->index_text(join("\n", @xnq), 1, 'XNQ');
264 $tg->increase_termpos;
267 sub index_body ($$$) {
268 my ($tg, $lines, $doc) = @_;
269 my $txt = join("\n", @$lines);
271 # does it look like a diff?
272 if ($txt =~ /^(?:diff|---|\+\+\+) /ms) {
274 index_diff($tg, $lines, $doc);
276 $tg->index_text($txt, 1, 'XNQ');
279 $tg->index_text($txt, 0, 'XQUOT');
281 $tg->increase_termpos;
286 # mime = Email::MIME object
287 my ($self, $mime, $bytes, $num, $oid, $mid0) = @_;
289 my $mids = mids($mime->header_obj);
290 my $skel = $self->{skeleton};
293 my $smsg = PublicInbox::SearchMsg->new($mime);
294 my $doc = $smsg->{doc};
295 my $subj = $smsg->subject;
298 $xpath = $self->subject_path($subj);
299 $xpath = id_compress($xpath);
302 my $lines = $mime->body_raw =~ tr!\n!\n!;
303 my @values = ($smsg->ds, $num, $bytes, $lines, $smsg->ts);
304 add_values($doc, \@values);
306 my $tg = $self->term_generator;
308 $tg->set_document($doc);
309 $tg->index_text($subj, 1, 'S') if $subj;
310 $tg->increase_termpos;
312 index_users($tg, $smsg);
314 msg_iter($mime, sub {
315 my ($part, $depth, @idx) = @{$_[0]};
316 my $ct = $part->content_type || 'text/plain';
317 my $fn = $part->filename;
318 if (defined $fn && $fn ne '') {
319 $tg->index_text($fn, 1, 'XFN');
322 return if $ct =~ m!\btext/x?html\b!i;
324 my $s = eval { $part->body_str };
326 if ($ct =~ m!\btext/plain\b!i) {
327 # Try to assume UTF-8 because Alpine
328 # seems to do wacky things and set
330 $part->charset_set('UTF-8');
331 $s = eval { $part->body_str };
332 $s = $part->body if $@;
335 defined $s or return;
338 my $body = $part->body;
339 my @lines = split(/\n/, $body);
340 while (defined(my $l = shift @lines)) {
342 index_body($tg, \@orig, $doc) if @orig;
345 index_body($tg, \@quot, 0) if @quot;
349 index_body($tg, \@quot, 0) if @quot;
350 index_body($tg, \@orig, $doc) if @orig;
353 # populates smsg->references for smsg->to_doc_data
354 my $refs = parse_references($smsg);
355 $mid0 = $mids->[0] unless defined $mid0;
356 my $data = $smsg->to_doc_data($oid, $mid0);
357 foreach my $mid (@$mids) {
358 $tg->index_text($mid, 1, 'XM');
360 $doc->set_data($data);
361 if (my $altid = $self->{-altid}) {
362 foreach my $alt (@$altid) {
363 my $pfx = $alt->{xprefix};
364 foreach my $mid (@$mids) {
365 my $id = $alt->mid2alt($mid);
366 next unless defined $id;
367 $doc->add_boolean_term($pfx . $id);
373 push @values, $mids, $xpath, $data;
374 $skel->index_skeleton(\@values);
375 $doc->add_boolean_term('Q' . $_) foreach @$mids;
376 $doc_id = $self->{xdb}->add_document($doc);
378 $doc_id = link_and_save($self, $doc, $mids, $refs,
384 warn "failed to index message <".join('> <',@$mids).">: $@\n";
391 my ($self, $termval, $cb) = @_;
392 my $batch_size = 1000; # don't let @ids grow too large to avoid OOM
394 my ($head, $tail) = $self->find_doc_ids($termval);
395 return if $head == $tail;
397 for (; $head != $tail && @ids < $batch_size; $head->inc) {
398 push @ids, $head->get_docid;
405 my ($self, $mid) = @_;
406 my $db = $self->{xdb};
408 $mid = mid_clean($mid);
411 batch_do($self, 'Q' . $mid, sub {
413 $db->delete_document($_) for @$ids;
418 warn "failed to remove message <$mid>: $@\n";
420 warn "cannot remove non-existent <$mid>\n";
424 # MID is a hint in V2
426 my ($self, $oid, $mid) = @_;
427 my $db = $self->{xdb};
429 # XXX careful, we cannot use batch_do here since we conditionally
430 # delete documents based on other factors, so we cannot call
431 # find_doc_ids twice.
432 my ($head, $tail) = $self->find_doc_ids('Q' . $mid);
433 return if $head == $tail;
435 # there is only ONE element in @delete unless we
436 # have bugs in our v2writable deduplication check
438 for (; $head != $tail; $head->inc) {
439 my $docid = $head->get_docid;
440 my $doc = $db->get_document($docid);
441 my $smsg = PublicInbox::SearchMsg->wrap($doc, $mid);
443 push(@delete, $docid) if $smsg->{blob} eq $oid;
445 $db->delete_document($_) foreach @delete;
449 sub term_generator { # write-only
452 my $tg = $self->{term_generator};
455 $tg = Search::Xapian::TermGenerator->new;
456 $tg->set_stemmer($self->stemmer);
458 $self->{term_generator} = $tg;
461 # increments last_thread_id counter
462 # returns a 64-bit integer represented as a decimal string
465 my $db = $self->{xdb};
466 my $last_thread_id = int($db->get_metadata('last_thread_id') || 0);
468 $db->set_metadata('last_thread_id', ++$last_thread_id);
473 sub parse_references ($) {
475 my $mime = $smsg->{mime};
476 my $hdr = $mime->header_obj;
477 my $refs = references($hdr);
478 return $refs if scalar(@$refs) == 0;
480 # prevent circular references via References here:
481 my %mids = map { $_ => 1 } @{mids($hdr)};
483 foreach my $ref (@$refs) {
484 if (length($ref) > PublicInbox::MID::MAX_MID_SIZE) {
485 warn "References: <$ref> too long, ignoring\n";
491 $smsg->{references} = '<'.join('> <', @keep).'>' if @keep;
496 my ($self, $doc, $refs, $old_tid) = @_;
500 # first ref *should* be the thread root,
501 # but we can never trust clients to do the right thing
502 my $ref = shift @$refs;
503 $tid = resolve_mid_to_tid($self, $ref);
504 merge_threads($self, $tid, $old_tid) if defined $old_tid;
506 # the rest of the refs should point to this tid:
507 foreach $ref (@$refs) {
508 my $ptid = resolve_mid_to_tid($self, $ref);
509 merge_threads($self, $tid, $ptid);
512 $tid = defined $old_tid ? $old_tid : $self->next_thread_id;
514 $doc->add_boolean_term('G' . $tid);
519 my ($self, $doc, $mids, $refs, $num, $xpath) = @_;
520 my $db = $self->{xdb};
523 $doc->add_boolean_term('XNUM' . $num) if defined $num;
524 $doc->add_boolean_term('XPATH' . $xpath) if defined $xpath;
525 $doc->add_boolean_term('Q' . $_) foreach @$mids;
528 $self->{skel} and die "Should not have read-only skel here\n";;
529 foreach my $mid (@$mids) {
530 $self->each_smsg_by_mid($mid, sub {
532 my $type = $cur->type;
533 my $cur_tid = $cur->thread_id;
534 $old_tid = $cur_tid unless defined $old_tid;
535 if ($type eq 'mail') {
536 # do not break existing mail messages,
537 # just merge the threads
538 merge_threads($self, $old_tid, $cur_tid);
541 if ($type ne 'ghost') {
542 die "<$mid> has a bad type: $type\n";
544 my $tid = link_doc($self, $doc, $refs, $old_tid);
545 $old_tid = $tid unless defined $old_tid;
546 $doc_id = $cur->{doc_id};
547 $self->{xdb}->replace_document($doc_id, $doc);
552 # not really important, but we return any vivified ghost docid, here:
553 return $doc_id if defined $doc_id;
554 link_doc($self, $doc, $refs, $old_tid);
555 $self->{xdb}->add_document($doc);
558 sub index_git_blob_id {
559 my ($doc, $pfx, $objid) = @_;
561 my $len = length($objid);
562 for (my $len = length($objid); $len >= 7; ) {
563 $doc->add_term($pfx.$objid);
564 $objid = substr($objid, 0, --$len);
569 my ($self, $mime) = @_;
570 my $mid = eval { mid_clean(mid_mime($mime)) };
571 $self->remove_message($mid) if defined $mid;
575 my ($self, $mime) = @_;
576 my $mid = mid_clean(mid_mime($mime));
577 my $mm = $self->{mm};
578 my $num = $mm->mid_insert($mid);
579 return $num if defined $num;
581 # fallback to num_for since filters like RubyLang set the number
586 my ($self, $mime) = @_;
587 $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
591 my ($self, $mime, $bytes, $blob) = @_;
592 my $num = $self->{mm}->num_for(mid_clean(mid_mime($mime)));
593 add_message($self, $mime, $bytes, $num, $blob);
597 my ($self, $mime) = @_;
598 $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
599 unindex_blob($self, $mime);
603 my ($self, $mime, $bytes, $blob) = @_;
604 my $num = index_mm($self, $mime);
605 add_message($self, $mime, $bytes, $num, $blob);
609 my ($self, $mime) = @_;
610 unindex_blob($self, $mime);
611 unindex_mm($self, $mime);
615 my ($git, $blob, $sizeref) = @_;
617 my $str = $git->cat_file($blob, $sizeref);
618 # fixup bugs from import:
619 $$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
620 PublicInbox::MIME->new($str);
626 my ($self, $opts) = @_;
627 with_umask($self, sub { $self->_index_sync($opts) });
630 sub batch_adjust ($$$$) {
631 my ($max, $bytes, $batch_cb, $latest) = @_;
635 $batch_cb->($latest, 1);
641 my ($self, $log, $add_cb, $del_cb, $batch_cb) = @_;
642 my $hex = '[a-f0-9]';
643 my $h40 = $hex .'{40}';
644 my $addmsg = qr!^:000000 100644 \S+ ($h40) A\t${hex}{2}/${hex}{38}$!;
645 my $delmsg = qr!^:100644 000000 ($h40) \S+ D\t${hex}{2}/${hex}{38}$!;
646 my $git = $self->{git};
649 my $max = BATCH_BYTES;
652 while (defined($line = <$log>)) {
653 if ($line =~ /$addmsg/o) {
655 my $mime = do_cat_mail($git, $blob, \$bytes) or next;
656 batch_adjust(\$max, $bytes, $batch_cb, $latest);
657 $add_cb->($self, $mime, $bytes, $blob);
658 } elsif ($line =~ /$delmsg/o) {
660 my $mime = do_cat_mail($git, $blob, \$bytes) or next;
661 batch_adjust(\$max, $bytes, $batch_cb, $latest);
662 $del_cb->($self, $mime);
663 } elsif ($line =~ /^commit ($h40)/o) {
667 $batch_cb->($latest, 0);
672 $self->{mm} ||= eval {
673 require PublicInbox::Msgmap;
674 my $msgmap_path = $self->{msgmap_path};
675 if (defined $msgmap_path) { # v2
676 PublicInbox::Msgmap->new_file($msgmap_path, 1);
678 PublicInbox::Msgmap->new($self->{mainrepo}, 1);
684 my ($self, $range) = @_;
685 $self->{git}->popen(qw/log --reverse --no-notes --no-color
686 --raw -r --no-abbrev/, $range);
689 # indexes all unindexed messages
691 my ($self, $opts) = @_;
692 my $tip = $opts->{ref} || 'HEAD';
693 my $reindex = $opts->{reindex};
694 my ($mkey, $last_commit, $lx, $xlog);
695 $self->{git}->batch_prepare;
696 my $xdb = _xdb_acquire($self);
697 $xdb->begin_transaction;
700 $mkey = 'last_commit';
701 $last_commit = $xdb->get_metadata('last_commit');
705 $mkey = undef if $last_commit ne '';
707 $xdb->cancel_transaction;
708 $xdb = _xdb_release($self);
710 # ensure we leak no FDs to "git log"
711 my $range = $lx eq '' ? $tip : "$lx..$tip";
712 $xlog = _git_log($self, $range);
714 $xdb = _xdb_acquire($self);
715 $xdb->begin_transaction;
716 } while ($xdb->get_metadata('last_commit') ne $last_commit);
718 my $mm = _msgmap_init($self);
719 my $dbh = $mm->{dbh} if $mm;
722 my ($commit, $more) = @_;
724 $mm->last_commit($commit) if $commit;
728 $xdb->set_metadata($mkey, $commit) if $mkey && $commit;
729 $xdb->commit_transaction;
730 $xdb = _xdb_release($self);
732 # let another process do some work... <
735 $xdb = _xdb_acquire($self);
736 $xdb->begin_transaction;
738 $dbh->begin_work if $dbh;
744 my $lm = $mm->last_commit || '';
746 # Common case is the indexes are synced,
747 # we only need to run git-log once:
748 rlog($self, $xlog, *index_both, *unindex_both, $cb);
750 # Uncommon case, msgmap and xapian are out-of-sync
751 # do not care for performance (but git is fast :>)
752 # This happens if we have to reindex Xapian since
753 # msgmap is a frozen format and our Xapian format
755 my $r = $lm eq '' ? $tip : "$lm..$tip";
757 # first, ensure msgmap is up-to-date:
758 my $mkey_prev = $mkey;
759 $mkey = undef; # ignore xapian, for now
760 my $mlog = _git_log($self, $r);
762 rlog($self, $mlog, *index_mm, *unindex_mm, $cb);
763 $mm_only = $mlog = undef;
765 # now deal with Xapian
768 rlog($self, $xlog, *index_mm2, *unindex_mm2, $cb);
771 # user didn't install DBD::SQLite and DBI
772 rlog($self, $xlog, *add_message, *unindex_blob, $cb);
776 # this will create a ghost as necessary
777 sub resolve_mid_to_tid {
778 my ($self, $mid) = @_;
780 $self->each_smsg_by_mid($mid, sub {
782 my $cur_tid = $smsg->thread_id;
784 merge_threads($self, $tid, $cur_tid);
786 $tid = $smsg->thread_id;
790 return $tid if defined $tid;
792 $self->create_ghost($mid)->thread_id;
796 my ($self, $mid) = @_;
798 my $tid = $self->next_thread_id;
799 my $doc = Search::Xapian::Document->new;
800 $doc->add_boolean_term('Q' . $mid);
801 $doc->add_boolean_term('G' . $tid);
802 $doc->add_boolean_term('T' . 'ghost');
804 my $smsg = PublicInbox::SearchMsg->wrap($doc, $mid);
805 $self->{xdb}->add_document($doc);
811 my ($self, $winner_tid, $loser_tid) = @_;
812 return if $winner_tid == $loser_tid;
813 my $db = $self->{xdb};
814 batch_do($self, 'G' . $loser_tid, sub {
816 foreach my $docid (@$ids) {
817 my $doc = $db->get_document($docid);
818 $doc->remove_term('G' . $loser_tid);
819 $doc->add_boolean_term('G' . $winner_tid);
820 $db->replace_document($docid, $doc);
825 sub _read_git_config_perm {
827 my @cmd = qw(config);
828 if ($self->{version} == 2) {
829 push @cmd, "--file=$self->{mainrepo}/all.git/config";
831 my $fh = $self->{git}->popen(@cmd, 'core.sharedRepository');
834 chomp $perm if defined $perm;
838 sub _git_config_perm {
840 my $perm = scalar @_ ? $_[0] : _read_git_config_perm($self);
841 return PERM_GROUP if (!defined($perm) || $perm eq '');
842 return PERM_UMASK if ($perm eq 'umask');
843 return PERM_GROUP if ($perm eq 'group');
844 if ($perm =~ /\A(?:all|world|everybody)\z/) {
845 return PERM_EVERYBODY;
847 return PERM_GROUP if ($perm =~ /\A(?:true|yes|on|1)\z/);
848 return PERM_UMASK if ($perm =~ /\A(?:false|no|off|0)\z/);
851 return PERM_UMASK if ($i == PERM_UMASK);
852 return PERM_GROUP if ($i == OLD_PERM_GROUP);
853 return PERM_EVERYBODY if ($i == OLD_PERM_EVERYBODY);
855 if (($i & 0600) != 0600) {
856 die "core.sharedRepository mode invalid: ".
857 sprintf('%.3o', $i) . "\nOwner must have permissions\n";
863 my ($perm) = @_; # _git_config_perm return value
865 return umask if $rv == 0;
867 # set +x bit if +r or +w were set
868 $rv |= 0100 if ($rv & 0600);
869 $rv |= 0010 if ($rv & 0060);
870 $rv |= 0001 if ($rv & 0006);
875 my ($self, $cb) = @_;
876 my $old = umask $self->{umask};
877 my $rv = eval { $cb->() };
885 # order matters for unlocking
886 $_[0]->{xdb} = undef;
887 $_[0]->{lockfh} = undef;
890 # remote_* subs are only used by SearchIdxPart and SearchIdxSkeleton
893 if (my $w = $self->{w}) {
894 print $w "commit\n" or die "failed to write commit: $!";
896 $self->commit_txn_lazy;
897 if (my $skel = $self->{skeleton}) {
898 $skel->commit_txn_lazy;
905 if (my $w = delete $self->{w}) {
906 my $pid = delete $self->{pid} or die "no process to wait on\n";
907 print $w "close\n" or die "failed to write to pid:$pid: $!\n";
908 close $w or die "failed to close pipe for pid:$pid: $!\n";
909 waitpid($pid, 0) == $pid or die "remote process did not finish";
910 $? == 0 or die ref($self)." pid:$pid exited with: $?";
912 die "transaction in progress $self\n" if $self->{txn};
913 $self->_xdb_release if $self->{xdb};
918 my ($self, $oid, $mid) = @_;
919 if (my $w = $self->{w}) {
920 # triggers remove_by_oid in partition or skeleton
921 print $w "D $oid $mid\n" or die "failed to write remove $!";
923 $self->begin_txn_lazy;
924 $self->remove_by_oid($oid, $mid);
930 return if $self->{txn};
931 my $xdb = $self->{xdb} || $self->_xdb_acquire;
932 $xdb->begin_transaction;
936 sub commit_txn_lazy {
938 delete $self->{txn} or return;
939 $self->{xdb}->commit_transaction;
944 die "$$ $0 xdb not released\n" if $self->{xdb};
945 die "$$ $0 still in transaction\n" if $self->{txn};