diff options
Diffstat (limited to 'lib/PublicInbox/SearchIdxPart.pm')
-rw-r--r-- | lib/PublicInbox/SearchIdxPart.pm | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/PublicInbox/SearchIdxPart.pm b/lib/PublicInbox/SearchIdxPart.pm new file mode 100644 index 00000000..d5a3fd17 --- /dev/null +++ b/lib/PublicInbox/SearchIdxPart.pm @@ -0,0 +1,70 @@ +# Copyright (C) 2018 all contributors <meta@public-inbox.org> +# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt> +package PublicInbox::SearchIdxPart; +use strict; +use warnings; +use base qw(PublicInbox::SearchIdx); + +sub new { + my ($class, $v2writable, $part, $threader) = @_; + my $self = $class->SUPER::new($v2writable->{-inbox}, 1, $part); + $self->{threader} = $threader; + my ($r, $w); + pipe($r, $w) or die "pipe failed: $!\n"; + my $pid = fork; + defined $pid or die "fork failed: $!\n"; + if ($pid == 0) { + foreach my $other (@{$v2writable->{idx_parts}}) { + my $other_w = $other->{w} or next; + close $other_w or die "close other failed: $!\n"; + } + $v2writable = undef; + close $w; + eval { partition_worker_loop($self, $r) }; + die "worker $part died: $@\n" if $@; + die "unexpected MM $self->{mm}" if $self->{mm}; + exit; + } + $self->{pid} = $pid; + $self->{w} = $w; + close $r; + $self; +} + +sub partition_worker_loop ($$) { + my ($self, $r) = @_; + my $xdb = $self->_xdb_acquire; + $xdb->begin_transaction; + my $txn = 1; + while (my $line = $r->getline) { + if ($line eq "commit\n") { + $xdb->commit_transaction if $txn; + $txn = undef; + } elsif ($line eq "close\n") { + $self->_xdb_release; + $xdb = $txn = undef; + } else { + my ($len, $artnum, $object_id) = split(/ /, $line); + $xdb ||= $self->_xdb_acquire; + if (!$txn) { + $xdb->begin_transaction; + $txn = 1; + } + my $n = read($r, my $msg, $len) or die "read: $!\n"; + $n == $len or die "short read: $n != $len\n"; + my $mime = PublicInbox::MIME->new(\$msg); + $self->index_blob($mime, $len, $artnum, $object_id); + } + } + warn "$$ still in transaction\n" if $txn; + warn "$$ xdb active\n" if $xdb; +} + +# called by V2Writable +sub index_raw { + my ($self, $len, $msgref, $artnum, $object_id) = @_; + print { $self->{w} } "$len $artnum $object_id\n", $$msgref or die + "failed to write partition $!\n"; +} + +1; |