diff options
Diffstat (limited to 'lib/PublicInbox/SearchIdx.pm')
| -rw-r--r-- | lib/PublicInbox/SearchIdx.pm | 186 |
1 files changed, 118 insertions, 68 deletions
diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm index 0b1dc219..2239c902 100644 --- a/lib/PublicInbox/SearchIdx.pm +++ b/lib/PublicInbox/SearchIdx.pm @@ -17,6 +17,7 @@ use PublicInbox::MsgIter; use Carp qw(croak); use POSIX qw(strftime); use PublicInbox::OverIdx; +use PublicInbox::Spawn qw(spawn); require PublicInbox::Git; use Compress::Zlib qw(compress); @@ -266,8 +267,8 @@ sub add_message { my $mids = mids($mime->header_obj); $mid0 = $mids->[0] unless defined $mid0; # v1 compatibility unless (defined $num) { # v1 - my $mm = $self->_msgmap_init; - $num = $mm->mid_insert($mid0) || $mm->num_for($mid0); + $self->_msgmap_init; + $num = index_mm($self, $mime); } eval { my $smsg = PublicInbox::SearchMsg->new($mime); @@ -464,8 +465,28 @@ sub index_mm { my ($self, $mime) = @_; my $mid = mid_clean(mid_mime($mime)); my $mm = $self->{mm}; - my $num = $mm->mid_insert($mid); - return $num if defined $num; + my $num; + + if (defined $self->{regen_down}) { + $num = $mm->num_for($mid) and return $num; + + while (($num = $self->{regen_down}--) > 0) { + if ($mm->mid_set($num, $mid) != 0) { + return $num; + } + } + } elsif (defined $self->{regen_up}) { + $num = $mm->num_for($mid) and return $num; + + # this is to fixup old bugs due to add-remove-add + while (($num = ++$self->{regen_up})) { + if ($mm->mid_set($num, $mid) != 0) { + return $num; + } + } + } + + $num = $mm->mid_insert($mid) and return $num; # fallback to num_for since filters like RubyLang set the number $mm->num_for($mid); @@ -476,18 +497,6 @@ sub unindex_mm { $self->{mm}->mid_delete(mid_clean(mid_mime($mime))); } -sub index_mm2 { - my ($self, $mime, $bytes, $blob) = @_; - my $num = $self->{mm}->num_for(mid_clean(mid_mime($mime))); - add_message($self, $mime, $bytes, $num, $blob); -} - -sub unindex_mm2 { - my ($self, $mime) = @_; - $self->{mm}->mid_delete(mid_clean(mid_mime($mime))); - unindex_blob($self, $mime); -} - sub index_both { my ($self, $mime, $bytes, $blob) = @_; my $num = index_mm($self, $mime); @@ -521,12 +530,12 @@ sub batch_adjust ($$$$) { $$max -= $bytes; if ($$max <= 0) { $$max = BATCH_BYTES; - $batch_cb->($latest, 1); + $batch_cb->($latest); } } # only for v1 -sub rlog { +sub read_log { my ($self, $log, $add_cb, $del_cb, $batch_cb) = @_; my $hex = '[a-f0-9]'; my $h40 = $hex .'{40}'; @@ -537,23 +546,39 @@ sub rlog { my $bytes; my $max = BATCH_BYTES; local $/ = "\n"; + my %D; my $line; + my $newest; + my $mid = '20170114215743.5igbjup6qpsh3jfg@genre.crustytoothpaste.net'; while (defined($line = <$log>)) { if ($line =~ /$addmsg/o) { my $blob = $1; + delete $D{$blob} and next; my $mime = do_cat_mail($git, $blob, \$bytes) or next; + my $mids = mids($mime->header_obj); + foreach (@$mids) { + warn "ADD $mid\n" if ($_ eq $mid); + } batch_adjust(\$max, $bytes, $batch_cb, $latest); $add_cb->($self, $mime, $bytes, $blob); } elsif ($line =~ /$delmsg/o) { my $blob = $1; - my $mime = do_cat_mail($git, $blob, \$bytes) or next; - batch_adjust(\$max, $bytes, $batch_cb, $latest); - $del_cb->($self, $mime); + $D{$blob} = 1; } elsif ($line =~ /^commit ($h40)/o) { $latest = $1; + $newest ||= $latest; + } + } + # get the leftovers + foreach my $blob (keys %D) { + my $mime = do_cat_mail($git, $blob, \$bytes) or next; + my $mids = mids($mime->header_obj); + foreach (@$mids) { + warn "DEL $mid\n" if ($_ eq $mid); } + $del_cb->($self, $mime); } - $batch_cb->($latest, 0); + $batch_cb->($latest, $newest); } sub _msgmap_init { @@ -567,18 +592,62 @@ sub _msgmap_init { sub _git_log { my ($self, $range) = @_; - $self->{git}->popen(qw/log --reverse --no-notes --no-color + my $git = $self->{git}; + + if (index($range, '..') < 0) { + my $regen_max = 0; + # can't use 'rev-list --count' if we use --diff-filter + my $fh = $git->popen(qw(log --pretty=tformat:%h + --no-notes --no-color --no-renames + --diff-filter=AM), $range); + ++$regen_max while <$fh>; + my (undef, $max) = $self->{mm}->minmax; + + if ($max && $max == $regen_max) { + # fix up old bugs in full indexes which caused messages to + # not appear in Msgmap + $self->{regen_up} = $max; + } else { + # normal regen is for for fresh data + $self->{regen_down} = $regen_max; + } + } + + $git->popen(qw/log --no-notes --no-color --no-renames --raw -r --no-abbrev/, $range); } +sub is_ancestor ($$$) { + my ($git, $cur, $tip) = @_; + return 0 unless $git->check($cur); + my $cmd = [ 'git', "--git-dir=$git->{git_dir}", + qw(merge-base --is-ancestor), $cur, $tip ]; + my $pid = spawn($cmd); + defined $pid or die "spawning ".join(' ', @$cmd)." failed: $!"; + waitpid($pid, 0) == $pid or die join(' ', @$cmd) .' did not finish'; + $? == 0; +} + +sub need_update ($$$) { + my ($self, $cur, $new) = @_; + my $git = $self->{git}; + return 1 if $cur && !is_ancestor($git, $cur, $new); + my $range = $cur eq '' ? $new : "$cur..$new"; + chomp(my $n = $git->qx(qw(rev-list --count), $range)); + ($n eq '' || $n > 0); +} + # indexes all unindexed messages (v1 only) sub _index_sync { my ($self, $opts) = @_; my $tip = $opts->{ref} || 'HEAD'; my $reindex = $opts->{reindex}; my ($mkey, $last_commit, $lx, $xlog); - $self->{git}->batch_prepare; + my $git = $self->{git}; + $git->batch_prepare; + my $xdb = $self->begin_txn_lazy; + my $mm = _msgmap_init($self); do { $xlog = undef; $mkey = 'last_commit'; @@ -588,73 +657,54 @@ sub _index_sync { $lx = ''; $mkey = undef if $last_commit ne ''; } + + # use last_commit from msgmap if it is older or unset + my $lm = $mm->last_commit || ''; + if (!$lm || ($lm && $lx && is_ancestor($git, $lm, $lx))) { + $lx = $lm; + } + $self->{over}->rollback_lazy; $self->{over}->disconnect; delete $self->{txn}; $xdb->cancel_transaction; $xdb = _xdb_release($self); - # ensure we leak no FDs to "git log" + # ensure we leak no FDs to "git log" with Xapian <= 1.2 my $range = $lx eq '' ? $tip : "$lx..$tip"; $xlog = _git_log($self, $range); $xdb = $self->begin_txn_lazy; } while ($xdb->get_metadata('last_commit') ne $last_commit); - my $mm = _msgmap_init($self); my $dbh = $mm->{dbh} if $mm; - my $mm_only; my $cb = sub { - my ($commit, $more) = @_; + my ($commit, $newest) = @_; if ($dbh) { - $mm->last_commit($commit) if $commit; + if ($newest) { + my $cur = $mm->last_commit || ''; + if (need_update($self, $cur, $newest)) { + $mm->last_commit($newest); + } + } $dbh->commit; } - if (!$mm_only) { - $xdb->set_metadata($mkey, $commit) if $mkey && $commit; - $self->commit_txn_lazy; + if ($mkey && $newest) { + my $cur = $xdb->get_metadata($mkey); + if (need_update($self, $cur, $newest)) { + $xdb->set_metadata($mkey, $newest); + } } + $self->commit_txn_lazy; # let another process do some work... < - if ($more) { - if (!$mm_only) { - $xdb = $self->begin_txn_lazy; - } + if (!$newest) { + $xdb = $self->begin_txn_lazy; $dbh->begin_work if $dbh; } }; - if ($mm) { - $dbh->begin_work; - my $lm = $mm->last_commit || ''; - if ($lm eq $lx) { - # Common case is the indexes are synced, - # we only need to run git-log once: - rlog($self, $xlog, *index_both, *unindex_both, $cb); - } else { - # Uncommon case, msgmap and xapian are out-of-sync - # do not care for performance (but git is fast :>) - # This happens if we have to reindex Xapian since - # msgmap is a frozen format and our Xapian format - # is evolving. - my $r = $lm eq '' ? $tip : "$lm..$tip"; - - # first, ensure msgmap is up-to-date: - my $mkey_prev = $mkey; - $mkey = undef; # ignore xapian, for now - my $mlog = _git_log($self, $r); - $mm_only = 1; - rlog($self, $mlog, *index_mm, *unindex_mm, $cb); - $mm_only = $mlog = undef; - - # now deal with Xapian - $mkey = $mkey_prev; - $dbh = undef; - rlog($self, $xlog, *index_mm2, *unindex_mm2, $cb); - } - } else { - # user didn't install DBD::SQLite and DBI - rlog($self, $xlog, *add_message, *unindex_blob, $cb); - } + $dbh->begin_work; + read_log($self, $xlog, *index_both, *unindex_both, $cb); } sub DESTROY { |