-# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# Detached/external index cross inbox search indexing support
use v5.10.1;
use parent qw(PublicInbox::ExtSearch PublicInbox::Lock);
use Carp qw(croak carp);
+use Sys::Hostname qw(hostname);
+use POSIX qw(strftime);
+use File::Glob qw(bsd_glob GLOB_NOSORT);
+use PublicInbox::MultiGit;
use PublicInbox::Search;
-use PublicInbox::SearchIdx qw(crlf_adjust);
+use PublicInbox::SearchIdx qw(prepare_stack is_ancestor is_bad_blob);
use PublicInbox::OverIdx;
+use PublicInbox::MiscIdx;
+use PublicInbox::MID qw(mids);
use PublicInbox::V2Writable;
use PublicInbox::InboxWritable;
+use PublicInbox::ContentHash qw(content_hash);
use PublicInbox::Eml;
-use File::Spec;
+use PublicInbox::DS qw(now add_timer);
+use DBI qw(:sql_types); # SQL_BLOB
sub new {
- my (undef, $dir, $opt, $shard) = @_;
+ my (undef, $dir, $opt) = @_;
my $l = $opt->{indexlevel} // 'full';
$l !~ $PublicInbox::SearchIdx::INDEXLEVELS and
die "invalid indexlevel=$l\n";
topdir => $dir,
creat => $opt->{creat},
ibx_map => {}, # (newsgroup//inboxdir) => $ibx
- ibx_list => [],
+ ibx_active => [], # by config section order
+ ibx_known => [], # by config section order
indexlevel => $l,
transact_bytes => 0,
total_bytes => 0,
parallel => 1,
lock_path => "$dir/ei.lock",
}, __PACKAGE__;
- $self->{shards} = $self->count_shards || nproc_shards($opt->{creat});
+ $self->{shards} = $self->count_shards ||
+ nproc_shards({ nproc => $opt->{jobs} });
my $oidx = PublicInbox::OverIdx->new("$self->{xpfx}/over.sqlite3");
- $oidx->{-no_fsync} = 1 if $opt->{-no_fsync};
+ $self->{-no_fsync} = $oidx->{-no_fsync} = 1 if !$opt->{fsync};
$self->{oidx} = $oidx;
$self
}
sub attach_inbox {
- my ($self, $ibx) = @_;
- my $key = $ibx->eidx_key;
- if (!$ibx->over || !$ibx->mm) {
- warn "W: skipping $key (unindexed)\n";
- return;
- }
- if (!defined($ibx->uidvalidity)) {
- warn "W: skipping $key (no UIDVALIDITY)\n";
- return;
- }
- my $ibxdir = File::Spec->canonpath($ibx->{inboxdir});
- if ($ibxdir ne $ibx->{inboxdir}) {
- warn "W: `$ibx->{inboxdir}' canonicalized to `$ibxdir'\n";
- $ibx->{inboxdir} = $ibxdir;
- }
- $ibx = PublicInbox::InboxWritable->new($ibx);
- $self->{ibx_map}->{$key} //= do {
- push @{$self->{ibx_list}}, $ibx;
+ my ($self, $ibx, $types) = @_;
+ $self->{ibx_map}->{$ibx->eidx_key} //= do {
+ delete $self->{-ibx_ary_known}; # invalidate cache
+ delete $self->{-ibx_ary_active}; # invalidate cache
+ $types //= [ qw(active known) ];
+ for my $t (@$types) {
+ push @{$self->{"ibx_$t"}}, $ibx;
+ }
$ibx;
}
}
sub _ibx_attach { # each_inbox callback
- my ($ibx, $self) = @_;
- attach_inbox($self, $ibx);
+ my ($ibx, $self, $types) = @_;
+ attach_inbox($self, $ibx, $types);
}
sub attach_config {
- my ($self, $cfg) = @_;
- $cfg->each_inbox(\&_ibx_attach, $self);
+ my ($self, $cfg, $ibxs) = @_;
+ $self->{cfg} = $cfg;
+ my $types;
+ if ($ibxs) {
+ for my $ibx (@$ibxs) {
+ $self->{ibx_map}->{$ibx->eidx_key} //= do {
+ push @{$self->{ibx_active}}, $ibx;
+ push @{$self->{ibx_known}}, $ibx;
+ $ibx;
+ }
+ }
+ # invalidate cache
+ delete $self->{-ibx_ary_known};
+ delete $self->{-ibx_ary_active};
+ $types = [ 'known' ];
+ }
+ $types //= [ qw(known active) ];
+ $cfg->each_inbox(\&_ibx_attach, $self, $types);
}
-sub git_blob_digest ($) {
- my ($bref) = @_;
- my $dig = Digest::SHA->new(1); # XXX SHA256 later
- $dig->add('blob '.length($$bref)."\0");
- $dig->add($$bref);
- $dig;
+sub check_batch_limit ($) {
+ my ($req) = @_;
+ my $self = $req->{self};
+ my $new_smsg = $req->{new_smsg};
+ my $n = $self->{transact_bytes} += $new_smsg->{bytes};
+
+ # set flag for PublicInbox::V2Writable::index_todo:
+ ${$req->{need_checkpoint}} = 1 if $n >= $self->{batch_bytes};
}
-sub is_bad_blob ($$$$) {
- my ($oid, $type, $size, $expect_oid) = @_;
- if ($type ne 'blob') {
- carp "W: $expect_oid is not a blob (type=$type)";
- return 1;
- }
- croak "BUG: $oid != $expect_oid" if $oid ne $expect_oid;
- $size == 0 ? 1 : 0; # size == 0 means purged
+sub apply_boost ($$) {
+ my ($req, $smsg) = @_;
+ my $id2pos = $req->{id2pos}; # index in ibx_sorted
+ my $xr3 = $req->{self}->{oidx}->get_xref3($smsg->{num}, 1);
+ @$xr3 = sort {
+ $id2pos->{$a->[0]} <=> $id2pos->{$b->[0]}
+ ||
+ $a->[1] <=> $b->[1] # break ties with {xnum}
+ } @$xr3;
+ my $new_smsg = $req->{new_smsg};
+ return if $xr3->[0]->[2] ne pack('H*', $new_smsg->{blob}); # loser
+
+ # replace the old smsg with the more boosted one
+ $new_smsg->{num} = $smsg->{num};
+ $new_smsg->populate($req->{eml}, $req);
+ $req->{self}->{oidx}->add_overview($req->{eml}, $new_smsg);
}
sub do_xpost ($$) {
my ($req, $smsg) = @_;
- my $self = $req->{eidx};
+ my $self = $req->{self};
my $docid = $smsg->{num};
my $idx = $self->idx_shard($docid);
my $oid = $req->{oid};
- my $xibx = $self->{sync}->{ibx};
+ my $xibx = $req->{ibx};
my $eml = $req->{eml};
+ my $eidx_key = $xibx->eidx_key;
if (my $new_smsg = $req->{new_smsg}) { # 'm' on cross-posted message
my $xnum = $req->{xnum};
- $idx->shard_add_xref3($docid, $xnum, $oid, $xibx, $eml);
+ $self->{oidx}->add_xref3($docid, $xnum, $oid, $eidx_key);
+ $idx->ipc_do('add_eidx_info', $docid, $eidx_key, $eml);
+ apply_boost($req, $smsg) if $req->{boost_in_use};
} else { # 'd'
- $idx->shard_remove_xref3($docid, $oid, $xibx, $eml);
+ my $rm_eidx_info;
+ my $nr = $self->{oidx}->remove_xref3($docid, $oid, $eidx_key,
+ \$rm_eidx_info);
+ if ($nr == 0) {
+ $self->{oidx}->eidxq_del($docid);
+ $idx->ipc_do('xdb_remove', $docid);
+ } elsif ($rm_eidx_info) {
+ $idx->ipc_do('remove_eidx_info',
+ $docid, $eidx_key, $eml);
+ $self->{oidx}->eidxq_add($docid); # yes, add
+ }
}
}
+# called by V2Writable::sync_prepare
+sub artnum_max { $_[0]->{oidx}->eidx_max }
+
sub index_unseen ($) {
my ($req) = @_;
my $new_smsg = $req->{new_smsg} or die 'BUG: {new_smsg} unset';
- $new_smsg->populate($req->{eml}, $req);
- my $self = $req->{eidx};
+ my $eml = delete $req->{eml};
+ $new_smsg->populate($eml, $req);
+ my $self = $req->{self};
my $docid = $self->{oidx}->adj_counter('eidx_docid', '+');
$new_smsg->{num} = $docid;
my $idx = $self->idx_shard($docid);
- my $eml = delete $req->{eml};
$self->{oidx}->add_overview($eml, $new_smsg);
- $idx->index_raw(undef, $eml, $new_smsg, delete $new_smsg->{ibx});
+ my $oid = $new_smsg->{blob};
+ my $ibx = delete $req->{ibx} or die 'BUG: {ibx} unset';
+ $self->{oidx}->add_xref3($docid, $req->{xnum}, $oid, $ibx->eidx_key);
+ $idx->index_eml($eml, $new_smsg, $ibx->eidx_key);
+ check_batch_limit($req);
}
sub do_finalize ($) {
my ($req) = @_;
- if (my $indexed = $req->{indexed}) {
+ if (my $indexed = $req->{indexed}) { # duplicated messages
do_xpost($req, $_) for @$indexed;
} elsif (exists $req->{new_smsg}) { # totally unseen messsage
index_unseen($req);
} else {
- warn "W: ignoring delete $req->{oid} (not found)\n";
+ # `d' message was already unindexed in the v1/v2 inboxes,
+ # so it's too noisy to warn, here.
+ }
+ # cur_cmt may be undef for unindex_oid, set by V2Writable::index_todo
+ if (defined(my $cur_cmt = $req->{cur_cmt})) {
+ ${$req->{latest_cmt}} = $cur_cmt;
}
}
sub do_step ($) { # main iterator for adding messages to the index
my ($req) = @_;
- my $self = $req->{eidx};
+ my $self = $req->{self} // die 'BUG: {self} missing';
while (1) {
if (my $next_arg = $req->{next_arg}) {
if (my $smsg = $self->{oidx}->next_by_mid(@$next_arg)) {
\&ck_existing, $req);
return; # ck_existing calls do_step
}
- delete $req->{cur_smsg};
delete $req->{next_arg};
}
- my $mid = shift(@{$req->{mids}});
- last unless defined $mid;
+ die "BUG: {cur_smsg} still set" if $req->{cur_smsg};
+ my $mid = shift(@{$req->{mids}}) // last;
my ($id, $prev);
$req->{next_arg} = [ $mid, \$id, \$prev ];
# loop again
do_finalize($req);
}
+sub _blob_missing ($$) { # called when $smsg->{blob} is bad
+ my ($req, $smsg) = @_;
+ my $self = $req->{self};
+ my $xref3 = $self->{oidx}->get_xref3($smsg->{num});
+ my @keep = grep(!/:$smsg->{blob}\z/, @$xref3);
+ if (@keep) {
+ warn "E: $smsg->{blob} gone, removing #$smsg->{num}\n";
+ $keep[0] =~ /:([a-f0-9]{40,}+)\z/ or
+ die "BUG: xref $keep[0] has no OID";
+ my $oidhex = $1;
+ $self->{oidx}->remove_xref3($smsg->{num}, $smsg->{blob});
+ $self->{oidx}->update_blob($smsg, $oidhex) or warn <<EOM;
+E: #$smsg->{num} gone ($smsg->{blob} => $oidhex)
+EOM
+ } else {
+ warn "E: $smsg->{blob} gone, removing #$smsg->{num}\n";
+ $self->{oidx}->delete_by_num($smsg->{num});
+ }
+}
+
sub ck_existing { # git->cat_async callback
my ($bref, $oid, $type, $size, $req) = @_;
- my $smsg = $req->{cur_smsg} or die 'BUG: {cur_smsg} missing';
- return if is_bad_blob($oid, $type, $size, $smsg->{blob});
- my $cur = PublicInbox::Eml->new($bref);
- if (content_digest($cur) eq $req->{chash}) {
- push @{$req->{indexed}}, $smsg; # for do_xpost
- } # else { index_unseen later }
+ my $smsg = delete $req->{cur_smsg} or die 'BUG: {cur_smsg} missing';
+ if ($type eq 'missing') {
+ _blob_missing($req, $smsg);
+ } elsif (!is_bad_blob($oid, $type, $size, $smsg->{blob})) {
+ my $self = $req->{self} // die 'BUG: {self} missing';
+ local $self->{current_info} = "$self->{current_info} $oid";
+ my $cur = PublicInbox::Eml->new($bref);
+ if (content_hash($cur) eq $req->{chash}) {
+ push @{$req->{indexed}}, $smsg; # for do_xpost
+ } # else { index_unseen later }
+ }
do_step($req);
}
# return the number if so
sub cur_ibx_xnum ($$) {
my ($req, $bref) = @_;
- my $ibx = $req->{sync}->{ibx} or die 'BUG: current {ibx} missing';
-
- # XXX overkill?
- git_blob_digest($bref)->hexdigest eq $req->{oid} or die
- "BUG: blob mismatch $req->{oid}";
+ my $ibx = $req->{ibx} or die 'BUG: current {ibx} missing';
$req->{eml} = PublicInbox::Eml->new($bref);
$req->{chash} = content_hash($req->{eml});
$req->{mids} = mids($req->{eml});
- my @q = @{$req->{mids}}; # copy
- while (defined(my $mid = shift @q)) {
+ for my $mid (@{$req->{mids}}) {
my ($id, $prev);
while (my $x = $ibx->over->next_by_mid($mid, \$id, \$prev)) {
return $x->{num} if $x->{blob} eq $req->{oid};
undef;
}
-sub m_start { # git->cat_async callback for 'm'
+sub index_oid { # git->cat_async callback for 'm'
my ($bref, $oid, $type, $size, $req) = @_;
+ my $self = $req->{self};
+ local $self->{current_info} = "$self->{current_info} $oid";
return if is_bad_blob($oid, $type, $size, $req->{oid});
my $new_smsg = $req->{new_smsg} = bless {
blob => $oid,
- raw_bytes => $size,
}, 'PublicInbox::Smsg';
- $new_smsg->{bytes} = $new_smsg->{raw_bytes} + crlf_adjust($$bref);
+ $new_smsg->set_bytes($$bref, $size);
defined($req->{xnum} = cur_ibx_xnum($req, $bref)) or return;
- $new_smsg->{ibx} = $req->{sync}->{ibx};
+ ++${$req->{nr}};
do_step($req);
}
-sub d_start { # git->cat_async callback for 'd'
+sub unindex_oid { # git->cat_async callback for 'd'
my ($bref, $oid, $type, $size, $req) = @_;
+ my $self = $req->{self};
+ local $self->{current_info} = "$self->{current_info} $oid";
return if is_bad_blob($oid, $type, $size, $req->{oid});
return if defined(cur_ibx_xnum($req, $bref)); # was re-added
do_step($req);
}
-sub eidx_last_epoch_commit ($$$) {
- my ($self, $sync, $epoch) = @_;
- my $key = $sync->{ibx}->eidx_key;
- my $uidvalidity = $sync->{ibx}->uidvalidity;
- $self->{oidx}->eidx_meta("lc-v2:$key//$uidvalidity;$epoch");
+# overrides V2Writable::last_commits, called by sync_ranges via sync_prepare
+sub last_commits {
+ my ($self, $sync) = @_;
+ my $heads = [];
+ my $ekey = $sync->{ibx}->eidx_key;
+ my $uv = $sync->{ibx}->uidvalidity;
+ for my $i (0..$sync->{epoch_max}) {
+ $heads->[$i] = $self->{oidx}->eidx_meta("lc-v2:$ekey//$uv;$i");
+ }
+ $heads;
+}
+
+sub _ibx_index_reject ($) {
+ my ($ibx) = @_;
+ $ibx->mm // return 'unindexed, no msgmap.sqlite3';
+ $ibx->uidvalidity // return 'no UIDVALIDITY';
+ $ibx->over // return 'unindexed, no over.sqlite3';
+ undef;
}
sub _sync_inbox ($$$) {
- my ($self, $opt, $ibx) = @_;
+ my ($self, $sync, $ibx) = @_;
+ my $ekey = $ibx->eidx_key;
+ if (defined(my $err = _ibx_index_reject($ibx))) {
+ return "W: skipping $ekey ($err)";
+ }
+ $sync->{ibx} = $ibx;
+ $sync->{nr} = \(my $nr = 0);
+ my $v = $ibx->version;
+ if ($v == 2) {
+ $sync->{epoch_max} = $ibx->max_git_epoch // return;
+ sync_prepare($self, $sync); # or return # TODO: once MiscIdx is stable
+ } elsif ($v == 1) {
+ my $uv = $ibx->uidvalidity;
+ my $lc = $self->{oidx}->eidx_meta("lc-v1:$ekey//$uv");
+ my $head = $ibx->mm->last_commit //
+ return "E: $ibx->{inboxdir} is not indexed";
+ my $stk = prepare_stack($sync, $lc ? "$lc..$head" : $head);
+ my $unit = { stack => $stk, git => $ibx->git };
+ push @{$sync->{todo}}, $unit;
+ } else {
+ return "E: $ekey unsupported inbox version (v$v)";
+ }
+ for my $unit (@{delete($sync->{todo}) // []}) {
+ last if $sync->{quit};
+ index_todo($self, $sync, $unit);
+ }
+ $self->{midx}->index_ibx($ibx) unless $sync->{quit};
+ $ibx->git->cleanup; # done with this inbox, now
+ undef;
+}
+
+sub gc_unref_doc ($$$$) {
+ my ($self, $ibx_id, $eidx_key, $docid) = @_;
+ my $remain = 0;
+ # for debug/info purposes, oids may no longer be accessible
+ my $dbh = $self->{oidx}->dbh;
+ my $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT oidbin FROM xref3 WHERE docid = ? AND ibx_id = ?
+
+ $sth->execute($docid, $ibx_id);
+ my @oid = map { unpack('H*', $_->[0]) } @{$sth->fetchall_arrayref};
+ for my $oid (@oid) {
+ $remain += $self->{oidx}->remove_xref3($docid, $oid, $eidx_key);
+ }
+ if ($remain) {
+ $self->{oidx}->eidxq_add($docid); # enqueue for reindex
+ for my $oid (@oid) {
+ warn "I: unref #$docid $eidx_key $oid\n";
+ }
+ } else {
+ warn "I: remove #$docid $eidx_key @oid\n";
+ $self->idx_shard($docid)->ipc_do('xdb_remove', $docid);
+ }
+}
+
+sub eidx_gc_scan_inboxes ($$) {
+ my ($self, $sync) = @_;
+ my ($x3_doc, $ibx_ck);
+restart:
+ $x3_doc = $self->{oidx}->dbh->prepare(<<EOM);
+SELECT docid FROM xref3 WHERE ibx_id = ?
+EOM
+ $ibx_ck = $self->{oidx}->dbh->prepare(<<EOM);
+SELECT ibx_id,eidx_key FROM inboxes
+EOM
+ $ibx_ck->execute;
+ while (my ($ibx_id, $eidx_key) = $ibx_ck->fetchrow_array) {
+ next if $self->{ibx_map}->{$eidx_key};
+ $self->{midx}->remove_eidx_key($eidx_key);
+ warn "I: deleting messages for $eidx_key...\n";
+ $x3_doc->execute($ibx_id);
+ while (defined(my $docid = $x3_doc->fetchrow_array)) {
+ gc_unref_doc($self, $ibx_id, $eidx_key, $docid);
+ if (checkpoint_due($sync)) {
+ $x3_doc = $ibx_ck = undef;
+ reindex_checkpoint($self, $sync);
+ goto restart;
+ }
+ }
+ $self->{oidx}->dbh->do(<<'', undef, $ibx_id);
+DELETE FROM inboxes WHERE ibx_id = ?
+
+ # drop last_commit info
+ my $pat = $eidx_key;
+ $pat =~ s/([_%\\])/\\$1/g;
+ $self->{oidx}->dbh->do('PRAGMA case_sensitive_like = ON');
+ my $lc_i = $self->{oidx}->dbh->prepare(<<'');
+SELECT key FROM eidx_meta WHERE key LIKE ? ESCAPE ?
+
+ $lc_i->execute("lc-%:$pat//%", '\\');
+ while (my ($key) = $lc_i->fetchrow_array) {
+ next if $key !~ m!\Alc-v[1-9]+:\Q$eidx_key\E//!;
+ warn "I: removing $key\n";
+ $self->{oidx}->dbh->do(<<'', undef, $key);
+DELETE FROM eidx_meta WHERE key = ?
+
+ }
+ warn "I: $eidx_key removed\n";
+ }
+}
+
+sub eidx_gc_scan_shards ($$) { # TODO: use for lei/store
+ my ($self, $sync) = @_;
+ my $nr = $self->{oidx}->dbh->do(<<'');
+DELETE FROM xref3 WHERE docid NOT IN (SELECT num FROM over)
+
+ warn "I: eliminated $nr stale xref3 entries\n" if $nr != 0;
+
+ # fixup from old bugs:
+ $nr = $self->{oidx}->dbh->do(<<'');
+DELETE FROM over WHERE num NOT IN (SELECT docid FROM xref3)
+
+ warn "I: eliminated $nr stale over entries\n" if $nr != 0;
+
+ my ($cur) = $self->{oidx}->dbh->selectrow_array(<<EOM);
+SELECT MIN(num) FROM over
+EOM
+ my ($max) = $self->{oidx}->dbh->selectrow_array(<<EOM);
+SELECT MAX(num) FROM over
+EOM
+ my $exists;
+restart:
+ $exists = $self->{oidx}->dbh->prepare(<<EOM);
+SELECT COUNT(num) FROM over WHERE num = ?
+EOM
+ for (; $cur <= $max; $cur++) {
+ $exists->execute($cur);
+ next if $exists->fetchrow_array != 0;
+ $self->idx_shard($cur)->ipc_do('xdb_remove_quiet', $cur);
+ if (checkpoint_due($sync)) {
+ $exists = undef;
+ reindex_checkpoint($self, $sync);
+ goto restart;
+ }
+ }
+}
+
+sub eidx_gc {
+ my ($self, $opt) = @_;
+ $self->{cfg} or die "E: GC requires ->attach_config\n";
+ $opt->{-idx_gc} = 1;
my $sync = {
- need_checkpoint => \(my $bool = 0),
- unindex_range => {}, # EPOCH => oid_old..oid_new
- reindex => $opt->{reindex},
+ need_checkpoint => \(my $need_checkpoint = 0),
+ check_intvl => 10,
+ next_check => now() + 10,
+ checkpoint_unlocks => 1,
-opt => $opt,
- eidx => $self,
- ibx => $ibx,
};
- my $key = $ibx->eidx_key;
- my $u = $ibx->uidvalidity;
+ $self->idx_init($opt); # acquire lock via V2Writable::_idx_init
+ eidx_gc_scan_inboxes($self, $sync);
+ eidx_gc_scan_shards($self, $sync);
+ done($self);
+}
+
+sub _ibx_for ($$$) {
+ my ($self, $sync, $smsg) = @_;
+ my $ibx_id = delete($smsg->{ibx_id}) // die '{ibx_id} unset';
+ my $pos = $sync->{id2pos}->{$ibx_id} // die "$ibx_id no pos";
+ $self->{-ibx_ary_known}->[$pos] //
+ die "BUG: ibx for $smsg->{blob} not mapped"
+}
+
+sub _fd_constrained ($) {
+ my ($self) = @_;
+ $self->{-fd_constrained} //= do {
+ my $soft;
+ if (eval { require BSD::Resource; 1 }) {
+ my $NOFILE = BSD::Resource::RLIMIT_NOFILE();
+ ($soft, undef) = BSD::Resource::getrlimit($NOFILE);
+ } else {
+ chomp($soft = `sh -c 'ulimit -n'`);
+ }
+ if (defined($soft)) {
+ # $want is an estimate
+ my $want = scalar(@{$self->{ibx_active}}) + 64;
+ my $ret = $want > $soft;
+ if ($ret) {
+ warn <<EOF;
+RLIMIT_NOFILE=$soft insufficient (want: $want), will close DB handles early
+EOF
+ }
+ $ret;
+ } else {
+ warn "Unable to determine RLIMIT_NOFILE: $@\n";
+ 1;
+ }
+ };
+}
+
+sub _reindex_finalize ($$$) {
+ my ($req, $smsg, $eml) = @_;
+ my $sync = $req->{sync};
+ my $self = $sync->{self};
+ my $by_chash = delete $req->{by_chash} or die 'BUG: no {by_chash}';
+ my $nr = scalar(keys(%$by_chash)) or die 'BUG: no content hashes';
+ my $orig_smsg = $req->{orig_smsg} // die 'BUG: no {orig_smsg}';
+ my $docid = $smsg->{num} = $orig_smsg->{num};
+ $self->{oidx}->add_overview($eml, $smsg); # may rethread
+ check_batch_limit({ %$sync, new_smsg => $smsg });
+ my $chash0 = $smsg->{chash} // die "BUG: $smsg->{blob} no {chash}";
+ my $stable = delete($by_chash->{$chash0}) //
+ die "BUG: $smsg->{blob} chash missing";
+ my $idx = $self->idx_shard($docid);
+ my $top_smsg = pop @$stable;
+ $top_smsg == $smsg or die 'BUG: top_smsg != smsg';
+ my $ibx = _ibx_for($self, $sync, $smsg);
+ $idx->index_eml($eml, $smsg, $ibx->eidx_key);
+ for my $x (reverse @$stable) {
+ $ibx = _ibx_for($self, $sync, $x);
+ my $hdr = delete $x->{hdr} // die 'BUG: no {hdr}';
+ $idx->ipc_do('add_eidx_info', $docid, $ibx->eidx_key, $hdr);
+ }
+ return if $nr == 1; # likely, all good
+
+ warn "W: #$docid split into $nr due to deduplication change\n";
+ my @todo;
+ for my $ary (values %$by_chash) {
+ for my $x (reverse @$ary) {
+ warn "removing #$docid xref3 $x->{blob}\n";
+ my $n = $self->{oidx}->remove_xref3($docid, $x->{blob});
+ die "BUG: $x->{blob} invalidated #$docid" if $n == 0;
+ }
+ my $x = pop(@$ary) // die "BUG: #$docid {by_chash} empty";
+ $x->{num} = delete($x->{xnum}) // die '{xnum} unset';
+ $ibx = _ibx_for($self, $sync, $x);
+ if (my $over = $ibx->over) {
+ my $e = $over->get_art($x->{num});
+ $e->{blob} eq $x->{blob} or die <<EOF;
+$x->{blob} != $e->{blob} (${\$ibx->eidx_key}:$e->{num});
+EOF
+ push @todo, $ibx, $e;
+ $over->dbh_close if _fd_constrained($self);
+ } else {
+ die "$ibx->{inboxdir}: over.sqlite3 unusable: $!\n";
+ }
+ }
+ undef $by_chash;
+ while (my ($ibx, $e) = splice(@todo, 0, 2)) {
+ reindex_unseen($self, $sync, $ibx, $e);
+ }
+}
+
+sub _reindex_oid { # git->cat_async callback
+ my ($bref, $oid, $type, $size, $req) = @_;
+ my $sync = $req->{sync};
+ my $self = $sync->{self};
+ my $orig_smsg = $req->{orig_smsg} // die 'BUG: no {orig_smsg}';
+ my $expect_oid = $req->{xr3r}->[$req->{ix}]->[2];
+ my $docid = $orig_smsg->{num};
+ if (is_bad_blob($oid, $type, $size, $expect_oid)) {
+ my $remain = $self->{oidx}->remove_xref3($docid, $expect_oid);
+ if ($remain == 0) {
+ warn "W: #$docid gone or corrupted\n";
+ $self->idx_shard($docid)->ipc_do('xdb_remove', $docid);
+ } elsif (my $next_oid = $req->{xr3r}->[++$req->{ix}]->[2]) {
+ $self->git->cat_async($next_oid, \&_reindex_oid, $req);
+ } else {
+ warn "BUG: #$docid gone (UNEXPECTED)\n";
+ $self->idx_shard($docid)->ipc_do('xdb_remove', $docid);
+ }
+ return;
+ }
+ my $ci = $self->{current_info};
+ local $self->{current_info} = "$ci #$docid $oid";
+ my $re_smsg = bless { blob => $oid }, 'PublicInbox::Smsg';
+ $re_smsg->set_bytes($$bref, $size);
+ my $eml = PublicInbox::Eml->new($bref);
+ $re_smsg->populate($eml, { autime => $orig_smsg->{ds},
+ cotime => $orig_smsg->{ts} });
+ my $chash = content_hash($eml);
+ $re_smsg->{chash} = $chash;
+ $re_smsg->{xnum} = $req->{xr3r}->[$req->{ix}]->[1];
+ $re_smsg->{ibx_id} = $req->{xr3r}->[$req->{ix}]->[0];
+ $re_smsg->{hdr} = $eml->header_obj;
+ push @{$req->{by_chash}->{$chash}}, $re_smsg;
+ if (my $next_oid = $req->{xr3r}->[++$req->{ix}]->[2]) {
+ $self->git->cat_async($next_oid, \&_reindex_oid, $req);
+ } else { # last $re_smsg is the highest priority xref3
+ local $self->{current_info} = "$ci #$docid";
+ _reindex_finalize($req, $re_smsg, $eml);
+ }
+}
+
+sub _reindex_smsg ($$$) {
+ my ($self, $sync, $smsg) = @_;
+ my $docid = $smsg->{num};
+ my $xr3 = $self->{oidx}->get_xref3($docid, 1);
+ if (scalar(@$xr3) == 0) { # _reindex_check_stale should've covered this
+ warn <<"";
+BUG? #$docid $smsg->{blob} is not referenced by inboxes during reindex
+
+ $self->{oidx}->delete_by_num($docid);
+ $self->idx_shard($docid)->ipc_do('xdb_remove', $docid);
+ return;
+ }
+
+ # we sort {xr3r} in the reverse order of ibx_sorted so we can
+ # hit the common case in _reindex_finalize without rereading
+ # from git (or holding multiple messages in memory).
+ my $id2pos = $sync->{id2pos}; # index in ibx_sorted
+ @$xr3 = sort {
+ $id2pos->{$b->[0]} <=> $id2pos->{$a->[0]}
+ ||
+ $b->[1] <=> $a->[1] # break ties with {xnum}
+ } @$xr3;
+ @$xr3 = map { [ $_->[0], $_->[1], unpack('H*', $_->[2]) ] } @$xr3;
+ my $req = { orig_smsg => $smsg, sync => $sync, xr3r => $xr3, ix => 0 };
+ $self->git->cat_async($xr3->[$req->{ix}]->[2], \&_reindex_oid, $req);
+}
+
+sub checkpoint_due ($) {
+ my ($sync) = @_;
+ ${$sync->{need_checkpoint}} || (now() > $sync->{next_check});
+}
+
+sub host_ident () {
+ # I've copied FS images and only changed the hostname before,
+ # so prepend hostname. Use `state' since these a BOFH can change
+ # these while this process is running and we always want to be
+ # able to release locks taken by this process.
+ state $retval = hostname . '-' . do {
+ my $m; # machine-id(5) is systemd
+ if (open(my $fh, '<', '/etc/machine-id')) { $m = <$fh> }
+ # (g)hostid(1) is in GNU coreutils, kern.hostid is most BSDs
+ chomp($m ||= `{ sysctl -n kern.hostid ||
+ hostid || ghostid; } 2>/dev/null`
+ || "no-machine-id-or-hostid-on-$^O");
+ $m;
+ };
+}
+
+sub eidxq_release {
+ my ($self) = @_;
+ my $expect = delete($self->{-eidxq_locked}) or return;
+ my ($owner_pid, undef) = split(/-/, $expect);
+ return if $owner_pid != $$; # shards may fork
my $oidx = $self->{oidx};
- my $v = $ibx->version;
- if ($v == 2) {
- my $epoch_max;
- defined($ibx->git_dir_latest(\$epoch_max)) or return;
- my $heads = $sync->{ranges} = [];
- for my $i (0..$epoch_max) {
- $heads->[$i] = $oidx->eidx_meta("lc-v2:$key//$u;$i");
+ $oidx->begin_lazy;
+ my $cur = $oidx->eidx_meta('eidxq_lock') // '';
+ if ($cur eq $expect) {
+ $oidx->eidx_meta('eidxq_lock', '');
+ return 1;
+ } elsif ($cur ne '') {
+ warn "E: eidxq_lock($expect) stolen by $cur\n";
+ } else {
+ warn "E: eidxq_lock($expect) released by another process\n";
+ }
+ undef;
+}
+
+sub DESTROY {
+ my ($self) = @_;
+ eidxq_release($self) and $self->{oidx}->commit_lazy;
+}
+
+sub _eidxq_take ($) {
+ my ($self) = @_;
+ my $val = "$$-${\time}-$>-".host_ident;
+ $self->{oidx}->eidx_meta('eidxq_lock', $val);
+ $self->{-eidxq_locked} = $val;
+}
+
+sub eidxq_lock_acquire ($) {
+ my ($self) = @_;
+ my $oidx = $self->{oidx};
+ $oidx->begin_lazy;
+ my $cur = $oidx->eidx_meta('eidxq_lock') || return _eidxq_take($self);
+ if (my $locked = $self->{-eidxq_locked}) { # be lazy
+ return $locked if $locked eq $cur;
+ }
+ my ($pid, $time, $euid, $ident) = split(/-/, $cur, 4);
+ my $t = strftime('%Y-%m-%d %k:%M:%S', gmtime($time));
+ if ($euid == $> && $ident eq host_ident) {
+ if (kill(0, $pid)) {
+ warn <<EOM; return;
+I: PID:$pid (re)indexing Xapian since $t, it will continue our work
+EOM
+ }
+ if ($!{ESRCH}) {
+ warn "I: eidxq_lock is stale ($cur), clobbering\n";
+ return _eidxq_take($self);
+ }
+ warn "E: kill(0, $pid) failed: $!\n"; # fall-through:
+ }
+ my $fn = $oidx->dbh->sqlite_db_filename;
+ warn <<EOF;
+W: PID:$pid, UID:$euid on $ident is indexing Xapian since $t
+W: If this is unexpected, delete `eidxq_lock' from the `eidx_meta' table:
+W: sqlite3 $fn 'DELETE FROM eidx_meta WHERE key = "eidxq_lock"'
+EOF
+ undef;
+}
+
+sub ibx_sorted ($$) {
+ my ($self, $type) = @_;
+ $self->{"-ibx_ary_$type"} //= do {
+ # highest boost first, stable for config-ordering tiebreaker
+ use sort 'stable';
+ [ sort {
+ ($b->{boost} // 0) <=> ($a->{boost} // 0)
+ } @{$self->{'ibx_'.$type} // die "BUG: $type unknown"} ];
+ }
+}
+
+sub prep_id2pos ($) {
+ my ($self) = @_;
+ my %id2pos;
+ my $pos = 0;
+ $id2pos{$_->{-ibx_id}} = $pos++ for (@{ibx_sorted($self, 'known')});
+ \%id2pos;
+}
+
+sub eidxq_process ($$) { # for reindexing
+ my ($self, $sync) = @_;
+ return unless $self->{cfg};
+
+ return unless eidxq_lock_acquire($self);
+ my $dbh = $self->{oidx}->dbh;
+ my $tot = $dbh->selectrow_array('SELECT COUNT(*) FROM eidxq') or return;
+ ${$sync->{nr}} = 0;
+ local $sync->{-regen_fmt} = "%u/$tot\n";
+ my $pr = $sync->{-opt}->{-progress};
+ if ($pr) {
+ my $min = $dbh->selectrow_array('SELECT MIN(docid) FROM eidxq');
+ my $max = $dbh->selectrow_array('SELECT MAX(docid) FROM eidxq');
+ $pr->("Xapian indexing $min..$max (total=$tot)\n");
+ }
+ $sync->{id2pos} //= prep_id2pos($self);
+ my ($del, $iter);
+restart:
+ $del = $dbh->prepare('DELETE FROM eidxq WHERE docid = ?');
+ $iter = $dbh->prepare('SELECT docid FROM eidxq ORDER BY docid ASC');
+ $iter->execute;
+ while (defined(my $docid = $iter->fetchrow_array)) {
+ last if $sync->{quit};
+ if (my $smsg = $self->{oidx}->get_art($docid)) {
+ _reindex_smsg($self, $sync, $smsg);
+ } else {
+ warn "E: #$docid does not exist in over\n";
}
+ $del->execute($docid);
+ ++${$sync->{nr}};
+ if (checkpoint_due($sync)) {
+ $dbh = $del = $iter = undef;
+ reindex_checkpoint($self, $sync); # release lock
+ $dbh = $self->{oidx}->dbh;
+ goto restart;
+ }
+ }
+ $self->git->async_wait_all;
+ $pr->("reindexed ${$sync->{nr}}/$tot\n") if $pr;
+}
- } elsif ($v == 1) {
- my $lc = $oidx->eidx_meta("lc-v1:$key//$u");
- prepare_stack($sync, $lc ? "$lc..HEAD" : 'HEAD');
+sub _reindex_unseen { # git->cat_async callback
+ my ($bref, $oid, $type, $size, $req) = @_;
+ return if is_bad_blob($oid, $type, $size, $req->{oid});
+ my $self = $req->{self} // die 'BUG: {self} unset';
+ local $self->{current_info} = "$self->{current_info} $oid";
+ my $new_smsg = bless { blob => $oid, }, 'PublicInbox::Smsg';
+ $new_smsg->set_bytes($$bref, $size);
+ my $eml = $req->{eml} = PublicInbox::Eml->new($bref);
+ $req->{new_smsg} = $new_smsg;
+ $req->{chash} = content_hash($eml);
+ $req->{mids} = mids($eml); # do_step iterates through this
+ do_step($req); # enter the normal indexing flow
+}
+
+# --reindex may catch totally unseen messages, this handles them
+sub reindex_unseen ($$$$) {
+ my ($self, $sync, $ibx, $xsmsg) = @_;
+ my $req = {
+ %$sync, # has {self}
+ autime => $xsmsg->{ds},
+ cotime => $xsmsg->{ts},
+ oid => $xsmsg->{blob},
+ ibx => $ibx,
+ xnum => $xsmsg->{num},
+ # {mids} and {chash} will be filled in at _reindex_unseen
+ };
+ warn "I: reindex_unseen ${\$ibx->eidx_key}:$req->{xnum}:$req->{oid}\n";
+ $self->git->cat_async($xsmsg->{blob}, \&_reindex_unseen, $req);
+}
+
+sub _reindex_check_unseen ($$$) {
+ my ($self, $sync, $ibx) = @_;
+ my $ibx_id = $ibx->{-ibx_id};
+ my $slice = 1000;
+ my ($beg, $end) = (1, $slice);
+
+ # first, check if we missed any messages in target $ibx
+ my $msgs;
+ my $pr = $sync->{-opt}->{-progress};
+ my $ekey = $ibx->eidx_key;
+ local $sync->{-regen_fmt} =
+ "$ekey checking unseen %u/".$ibx->over->max."\n";
+ ${$sync->{nr}} = 0;
+
+ while (scalar(@{$msgs = $ibx->over->query_xover($beg, $end)})) {
+ ${$sync->{nr}} = $beg;
+ $beg = $msgs->[-1]->{num} + 1;
+ $end = $beg + $slice;
+ if (checkpoint_due($sync)) {
+ reindex_checkpoint($self, $sync); # release lock
+ }
+
+ my $inx3 = $self->{oidx}->dbh->prepare_cached(<<'', undef, 1);
+SELECT DISTINCT(docid) FROM xref3 WHERE
+ibx_id = ? AND xnum = ? AND oidbin = ?
+
+ for my $xsmsg (@$msgs) {
+ my $oidbin = pack('H*', $xsmsg->{blob});
+ $inx3->bind_param(1, $ibx_id);
+ $inx3->bind_param(2, $xsmsg->{num});
+ $inx3->bind_param(3, $oidbin, SQL_BLOB);
+ $inx3->execute;
+ my $docids = $inx3->fetchall_arrayref;
+ # index messages which were totally missed
+ # the first time around ASAP:
+ if (scalar(@$docids) == 0) {
+ reindex_unseen($self, $sync, $ibx, $xsmsg);
+ } else { # already seen, reindex later
+ for my $r (@$docids) {
+ $self->{oidx}->eidxq_add($r->[0]);
+ }
+ }
+ last if $sync->{quit};
+ }
+ last if $sync->{quit};
+ }
+}
+
+sub _reindex_check_stale ($$$) {
+ my ($self, $sync, $ibx) = @_;
+ my $min = 0;
+ my $pr = $sync->{-opt}->{-progress};
+ my $fetching;
+ my $ekey = $ibx->eidx_key;
+ local $sync->{-regen_fmt} =
+ "$ekey check stale/missing %u/".$ibx->over->max."\n";
+ ${$sync->{nr}} = 0;
+ do {
+ if (checkpoint_due($sync)) {
+ reindex_checkpoint($self, $sync); # release lock
+ }
+ # now, check if there's stale xrefs
+ my $iter = $self->{oidx}->dbh->prepare_cached(<<'', undef, 1);
+SELECT docid,xnum,oidbin FROM xref3 WHERE ibx_id = ? AND docid > ?
+ORDER BY docid,xnum ASC LIMIT 10000
+
+ $iter->execute($ibx->{-ibx_id}, $min);
+ $fetching = undef;
+
+ while (my ($docid, $xnum, $oidbin) = $iter->fetchrow_array) {
+ return if $sync->{quit};
+ ${$sync->{nr}} = $xnum;
+
+ $fetching = $min = $docid;
+ my $smsg = $ibx->over->get_art($xnum);
+ my $err;
+ if (!$smsg) {
+ $err = 'stale';
+ } elsif (pack('H*', $smsg->{blob}) ne $oidbin) {
+ $err = "mismatch (!= $smsg->{blob})";
+ } else {
+ next; # likely, all good
+ }
+ # current_info already has eidx_key
+ my $oidhex = unpack('H*', $oidbin);
+ warn "$xnum:$oidhex (#$docid): $err\n";
+ my $del = $self->{oidx}->dbh->prepare_cached(<<'');
+DELETE FROM xref3 WHERE ibx_id = ? AND xnum = ? AND oidbin = ?
+
+ $del->bind_param(1, $ibx->{-ibx_id});
+ $del->bind_param(2, $xnum);
+ $del->bind_param(3, $oidbin, SQL_BLOB);
+ $del->execute;
+
+ # get_xref3 over-fetches, but this is a rare path:
+ my $xr3 = $self->{oidx}->get_xref3($docid);
+ my $idx = $self->idx_shard($docid);
+ if (scalar(@$xr3) == 0) { # all gone
+ $self->{oidx}->delete_by_num($docid);
+ $self->{oidx}->eidxq_del($docid);
+ $idx->ipc_do('xdb_remove', $docid);
+ } else { # enqueue for reindex of remaining messages
+ $idx->ipc_do('remove_eidx_info',
+ $docid, $ibx->eidx_key);
+ $self->{oidx}->eidxq_add($docid); # yes, add
+ }
+ }
+ } while (defined $fetching);
+}
+
+sub _reindex_inbox ($$$) {
+ my ($self, $sync, $ibx) = @_;
+ my $ekey = $ibx->eidx_key;
+ local $self->{current_info} = $ekey;
+ if (defined(my $err = _ibx_index_reject($ibx))) {
+ warn "W: cannot reindex $ekey ($err)\n";
} else {
- warn "E: $key unsupported inbox version (v$v)\n";
+ _reindex_check_unseen($self, $sync, $ibx);
+ _reindex_check_stale($self, $sync, $ibx) unless $sync->{quit};
+ }
+ delete @$ibx{qw(over mm search git)}; # won't need these for a bit
+}
+
+sub eidx_reindex {
+ my ($self, $sync) = @_;
+ return unless $self->{cfg};
+
+ # acquire eidxq_lock early because full reindex takes forever
+ # and incremental -extindex processes can run during our checkpoints
+ if (!eidxq_lock_acquire($self)) {
+ warn "E: aborting --reindex\n";
return;
}
+ for my $ibx (@{ibx_sorted($self, 'active')}) {
+ _reindex_inbox($self, $sync, $ibx);
+ last if $sync->{quit};
+ }
+ $self->git->async_wait_all; # ensure eidxq gets filled completely
+ eidxq_process($self, $sync) unless $sync->{quit};
+}
+
+sub sync_inbox {
+ my ($self, $sync, $ibx) = @_;
+ my $err = _sync_inbox($self, $sync, $ibx);
+ delete @$ibx{qw(mm over)};
+ warn $err, "\n" if defined($err);
+}
+
+sub dd_smsg { # git->cat_async callback
+ my ($bref, $oid, $type, $size, $dd) = @_;
+ my $smsg = $dd->{smsg} // die 'BUG: dd->{smsg} missing';
+ my $self = $dd->{self} // die 'BUG: {self} missing';
+ my $per_mid = $dd->{per_mid} // die 'BUG: {per_mid} missing';
+ if ($type eq 'missing') {
+ _blob_missing($dd, $smsg);
+ } elsif (!is_bad_blob($oid, $type, $size, $smsg->{blob})) {
+ local $self->{current_info} = "$self->{current_info} $oid";
+ my $chash = content_hash(PublicInbox::Eml->new($bref));
+ push(@{$per_mid->{dd_chash}->{$chash}}, $smsg);
+ }
+ return if $per_mid->{last_smsg} != $smsg;
+ while (my ($chash, $ary) = each %{$per_mid->{dd_chash}}) {
+ my $keep = shift @$ary;
+ next if !scalar(@$ary);
+ $per_mid->{sync}->{dedupe_cull} += scalar(@$ary);
+ print STDERR
+ "# <$keep->{mid}> keeping #$keep->{num}, dropping ",
+ join(', ', map { "#$_->{num}" } @$ary),"\n";
+ next if $per_mid->{sync}->{-opt}->{'dry-run'};
+ my $oidx = $self->{oidx};
+ for my $smsg (@$ary) {
+ my $gone = $smsg->{num};
+ $oidx->merge_xref3($keep->{num}, $gone, $smsg->{blob});
+ $self->idx_shard($gone)->ipc_do('xdb_remove', $gone);
+ $oidx->delete_by_num($gone);
+ }
+ }
+}
+
+sub eidx_dedupe ($$$) {
+ my ($self, $sync, $msgids) = @_;
+ $sync->{dedupe_cull} = 0;
+ my $candidates = 0;
+ my $nr_mid = 0;
+ return unless eidxq_lock_acquire($self);
+ my ($iter, $cur_mid);
+ my $min_id = 0;
+ my $idx = 0;
+ my ($max_id) = $self->{oidx}->dbh->selectrow_array(<<EOS);
+SELECT MAX(id) FROM msgid
+EOS
+ local $sync->{-regen_fmt} = "dedupe %u/$max_id\n";
+
+ # note: we could write this query more intelligently,
+ # but that causes lock contention with read-only processes
+dedupe_restart:
+ $cur_mid = $msgids->[$idx];
+ if ($cur_mid eq '') { # all Message-IDs
+ $iter = $self->{oidx}->dbh->prepare(<<EOS);
+SELECT mid,id FROM msgid WHERE id > ? ORDER BY id ASC
+EOS
+ $iter->execute($min_id);
+ } else {
+ $iter = $self->{oidx}->dbh->prepare(<<EOS);
+SELECT mid,id FROM msgid WHERE mid = ? AND id > ? ORDER BY id ASC
+EOS
+ $iter->execute($cur_mid, $min_id);
+ }
+ while (my ($mid, $id) = $iter->fetchrow_array) {
+ last if $sync->{quit};
+ $self->{current_info} = "dedupe $mid";
+ ${$sync->{nr}} = $min_id = $id;
+ my ($prv, @smsg);
+ while (my $x = $self->{oidx}->next_by_mid($mid, \$id, \$prv)) {
+ push @smsg, $x;
+ }
+ next if scalar(@smsg) < 2;
+ my $per_mid = {
+ dd_chash => {}, # chash => [ary of smsgs]
+ last_smsg => $smsg[-1],
+ sync => $sync
+ };
+ $nr_mid++;
+ $candidates += scalar(@smsg) - 1;
+ for my $smsg (@smsg) {
+ my $dd = {
+ per_mid => $per_mid,
+ smsg => $smsg,
+ self => $self,
+ };
+ $self->git->cat_async($smsg->{blob}, \&dd_smsg, $dd);
+ }
+ # need to wait on every single one @smsg contents can get
+ # invalidated inside dd_smsg for messages with multiple
+ # Message-IDs.
+ $self->git->async_wait_all;
+
+ if (checkpoint_due($sync)) {
+ undef $iter;
+ reindex_checkpoint($self, $sync);
+ goto dedupe_restart;
+ }
+ }
+ goto dedupe_restart if defined($msgids->[++$idx]);
+
+ my $n = delete $sync->{dedupe_cull};
+ if (my $pr = $sync->{-opt}->{-progress}) {
+ $pr->("culled $n/$candidates candidates ($nr_mid msgids)\n");
+ }
+ ${$sync->{nr}} = 0;
}
sub eidx_sync { # main entry point
my ($self, $opt) = @_;
+
+ my $warn_cb = $SIG{__WARN__} || \&CORE::warn;
+ local $self->{current_info} = '';
+ local $SIG{__WARN__} = sub {
+ return if PublicInbox::Eml::warn_ignore(@_);
+ $warn_cb->($self->{current_info}, ': ', @_);
+ };
$self->idx_init($opt); # acquire lock via V2Writable::_idx_init
$self->{oidx}->rethread_prepare($opt);
+ my $sync = {
+ need_checkpoint => \(my $need_checkpoint = 0),
+ check_intvl => 10,
+ next_check => now() + 10,
+ -opt => $opt,
+ # DO NOT SET {reindex} here, it's incompatible with reused
+ # V2Writable code, reindex is totally different here
+ # compared to v1/v2 inboxes because we have multiple histories
+ self => $self,
+ -regen_fmt => "%u/?\n",
+ };
+ local $SIG{USR1} = sub { $need_checkpoint = 1 };
+ my $quit = PublicInbox::SearchIdx::quit_cb($sync);
+ local $SIG{QUIT} = $quit;
+ local $SIG{INT} = $quit;
+ local $SIG{TERM} = $quit;
+ for my $ibx (@{ibx_sorted($self, 'known')}) {
+ $ibx->{-ibx_id} //= $self->{oidx}->ibx_id($ibx->eidx_key);
+ }
+
+ if (scalar(grep { defined($_->{boost}) } @{$self->{ibx_known}})) {
+ $sync->{id2pos} //= prep_id2pos($self);
+ $sync->{boost_in_use} = 1;
+ }
+
+ if (my $msgids = delete($opt->{dedupe})) {
+ local $sync->{checkpoint_unlocks} = 1;
+ eidx_dedupe($self, $sync, $msgids);
+ }
+ if (delete($opt->{reindex})) {
+ local $sync->{checkpoint_unlocks} = 1;
+ eidx_reindex($self, $sync);
+ }
+
+ # don't use $_ here, it'll get clobbered by reindex_checkpoint
+ if ($opt->{scan} // 1) {
+ for my $ibx (@{ibx_sorted($self, 'active')}) {
+ last if $sync->{quit};
+ sync_inbox($self, $sync, $ibx);
+ }
+ }
+ $self->{oidx}->rethread_done($opt) unless $sync->{quit};
+ eidxq_process($self, $sync) unless $sync->{quit};
+
+ eidxq_release($self);
+ done($self);
+ $sync; # for eidx_watch
+}
+
+sub update_last_commit { # overrides V2Writable
+ my ($self, $sync, $stk) = @_;
+ my $unit = $sync->{unit} // return;
+ my $latest_cmt = $stk ? $stk->{latest_cmt} : ${$sync->{latest_cmt}};
+ defined($latest_cmt) or return;
+ my $ibx = $sync->{ibx} or die 'BUG: {ibx} missing';
+ my $ekey = $ibx->eidx_key;
+ my $uv = $ibx->uidvalidity;
+ my $epoch = $unit->{epoch};
+ my $meta_key;
+ my $v = $ibx->version;
+ if ($v == 2) {
+ die 'No {epoch} for v2 unit' unless defined $epoch;
+ $meta_key = "lc-v2:$ekey//$uv;$epoch";
+ } elsif ($v == 1) {
+ die 'Unexpected {epoch} for v1 unit' if defined $epoch;
+ $meta_key = "lc-v1:$ekey//$uv";
+ } else {
+ die "Unsupported inbox version: $v";
+ }
+ my $last = $self->{oidx}->eidx_meta($meta_key);
+ if (defined $last && is_ancestor($self->git, $last, $latest_cmt)) {
+ my @cmd = (qw(rev-list --count), "$last..$latest_cmt");
+ chomp(my $n = $unit->{git}->qx(@cmd));
+ return if $n ne '' && $n == 0;
+ }
+ $self->{oidx}->eidx_meta($meta_key, $latest_cmt);
+}
+
+sub _idx_init { # with_umask callback
+ my ($self, $opt) = @_;
+ PublicInbox::V2Writable::_idx_init($self, $opt); # acquires ei.lock
+ $self->{midx} = PublicInbox::MiscIdx->new($self);
+}
- _sync_inbox($self, $opt, $_) for (@{$self->{ibx_list}});
+sub symlink_packs ($$) {
+ my ($ibx, $pd) = @_;
+ my $ret = 0;
+ my $glob = "$ibx->{inboxdir}/git/*.git/objects/pack/*.idx";
+ for my $idx (bsd_glob($glob, GLOB_NOSORT)) {
+ my $src = substr($idx, 0, -length('.idx'));
+ my $dst = $pd . substr($src, rindex($src, '/'));
+ if (-f "$src.pack" and
+ symlink("$src.pack", "$dst.pack") and
+ symlink($idx, "$dst.idx") and
+ -f $idx) {
+ ++$ret;
+ # .promisor, .bitmap, .rev and .keep are optional
+ # XXX should we symlink .keep here?
+ for my $s (qw(promisor bitmap rev)) {
+ symlink("$src.$s", "$dst.$s") if -f "$src.$s";
+ }
+ } elsif (!$!{EEXIST}) {
+ warn "W: ln -s $src.{pack,idx} => $dst.*: $!\n";
+ unlink "$dst.pack", "$dst.idx";
+ }
+ }
+ $ret;
}
sub idx_init { # similar to V2Writable
return if $self->{idx_shards};
$self->git->cleanup;
-
- my $ALL = $self->git->{git_dir}; # ALL.git
- PublicInbox::Import::init_bare($ALL) unless -d $ALL;
- my $info_dir = "$ALL/objects/info";
- my $alt = "$info_dir/alternates";
my $mode = 0644;
- my (%old, @old, %new, @new);
- if (-e $alt) {
- open(my $fh, '<', $alt) or die "open $alt: $!";
- $mode = (stat($fh))[2] & 07777;
- while (<$fh>) {
- push @old, $_ if !$old{$_}++;
- }
- }
- for my $ibx (@{$self->{ibx_list}}) {
- my $line = $ibx->git->{git_dir} . "/objects\n";
- next if $old{$line};
- $new{$line} = 1;
- push @new, $line;
- }
- push @old, @new;
- PublicInbox::V2Writable::write_alternates($info_dir, $mode, \@old);
+ my $ALL = $self->git->{git_dir}; # topdir/ALL.git
+ my ($has_new, $alt, $seen);
+ if ($opt->{-private}) { # LeiStore
+ my $local = "$self->{topdir}/local"; # lei/store
+ $self->{mg} //= PublicInbox::MultiGit->new($self->{topdir},
+ 'ALL.git', 'local');
+ $mode = 0600;
+ unless (-d $ALL) {
+ umask 077; # don't bother restoring for lei
+ PublicInbox::Import::init_bare($ALL);
+ $self->git->qx(qw(config core.sharedRepository 0600));
+ }
+ ($alt, $seen) = $self->{mg}->read_alternates(\$mode);
+ $has_new = $self->{mg}->merge_epochs($alt, $seen);
+ } else { # extindex has no epochs
+ $self->{mg} //= PublicInbox::MultiGit->new($self->{topdir},
+ 'ALL.git');
+ ($alt, $seen) = $self->{mg}->read_alternates(\$mode,
+ $opt->{-idx_gc});
+ PublicInbox::Import::init_bare($ALL);
+ }
+
+ # git-multi-pack-index(1) can speed up "git cat-file" startup slightly
+ my $git_midx = 0;
+ my $pd = "$ALL/objects/pack";
+ if (opendir(my $dh, $pd)) { # drop stale symlinks
+ while (defined(my $dn = readdir($dh))) {
+ if ($dn =~ /\.(?:idx|pack|promisor|bitmap|rev)\z/) {
+ my $f = "$pd/$dn";
+ unlink($f) if -l $f && !-e $f;
+ }
+ }
+ } elsif ($!{ENOENT}) {
+ mkdir($pd) or die "mkdir($pd): $!";
+ } else {
+ die "opendir($pd): $!";
+ }
+ my $new = '';
+ for my $ibx (@{ibx_sorted($self, 'active')}) {
+ # create symlinks for multi-pack-index
+ $git_midx += symlink_packs($ibx, $pd);
+ # add new lines to our alternates file
+ my $d = $ibx->git->{git_dir} . '/objects';
+ next if exists $alt->{$d};
+ if (my @st = stat($d)) {
+ next if $seen->{"$st[0]\0$st[1]"}++;
+ } else {
+ warn "W: stat($d) failed (from $ibx->{inboxdir}): $!\n";
+ next if $opt->{-idx_gc};
+ }
+ $new .= "$d\n";
+ }
+ ($has_new || $new ne '') and
+ $self->{mg}->write_alternates($mode, $alt, $new);
+ $git_midx and $self->with_umask(sub {
+ my @cmd = ('multi-pack-index');
+ push @cmd, '--no-progress' if ($opt->{quiet}//0) > 1;
+ my $lk = $self->lock_for_scope;
+ system('git', "--git-dir=$ALL", @cmd, 'write');
+ # ignore errors, fairly new command, may not exist
+ });
$self->parallel_init($self->{indexlevel});
- $self->umask_prepare;
- $self->with_umask(\&PublicInbox::V2Writable::_idx_init, $self, $opt);
+ $self->with_umask(\&_idx_init, $self, $opt);
$self->{oidx}->begin_lazy;
$self->{oidx}->eidx_prep;
+ $self->{midx}->create_xdb if $new ne '';
+}
+
+sub _watch_commit { # PublicInbox::DS::add_timer callback
+ my ($self) = @_;
+ delete $self->{-commit_timer};
+ eidxq_process($self, $self->{-watch_sync});
+ eidxq_release($self);
+ my $fmt = delete $self->{-watch_sync}->{-regen_fmt};
+ reindex_checkpoint($self, $self->{-watch_sync});
+ $self->{-watch_sync}->{-regen_fmt} = $fmt;
+
+ # call event_step => done unless commit_timer is armed
+ PublicInbox::DS::requeue($self);
+}
+
+sub on_inbox_unlock { # called by PublicInbox::InboxIdle
+ my ($self, $ibx) = @_;
+ my $opt = $self->{-watch_sync}->{-opt};
+ my $pr = $opt->{-progress};
+ my $ekey = $ibx->eidx_key;
+ local $0 = "sync $ekey";
+ $pr->("indexing $ekey\n") if $pr;
+ $self->idx_init($opt);
+ sync_inbox($self, $self->{-watch_sync}, $ibx);
+ $self->{-commit_timer} //= add_timer($opt->{'commit-interval'} // 10,
+ \&_watch_commit, $self);
+}
+
+sub eidx_reload { # -extindex --watch SIGHUP handler
+ my ($self, $idler) = @_;
+ if ($self->{cfg}) {
+ my $pr = $self->{-watch_sync}->{-opt}->{-progress};
+ $pr->('reloading ...') if $pr;
+ delete $self->{-resync_queue};
+ delete $self->{-ibx_ary_known};
+ delete $self->{-ibx_ary_active};
+ $self->{ibx_known} = [];
+ $self->{ibx_active} = [];
+ %{$self->{ibx_map}} = ();
+ delete $self->{-watch_sync}->{id2pos};
+ my $cfg = PublicInbox::Config->new;
+ attach_config($self, $cfg);
+ $idler->refresh($cfg);
+ $pr->(" done\n") if $pr;
+ } else {
+ warn "reload not supported without --all\n";
+ }
+}
+
+sub eidx_resync_start ($) { # -extindex --watch SIGUSR1 handler
+ my ($self) = @_;
+ $self->{-resync_queue} //= [ @{ibx_sorted($self, 'active')} ];
+ PublicInbox::DS::requeue($self); # trigger our ->event_step
+}
+
+sub event_step { # PublicInbox::DS::requeue callback
+ my ($self) = @_;
+ if (my $resync_queue = $self->{-resync_queue}) {
+ if (my $ibx = shift(@$resync_queue)) {
+ on_inbox_unlock($self, $ibx);
+ PublicInbox::DS::requeue($self);
+ } else {
+ delete $self->{-resync_queue};
+ _watch_commit($self);
+ }
+ } else {
+ done($self) unless $self->{-commit_timer};
+ }
+}
+
+sub eidx_watch { # public-inbox-extindex --watch main loop
+ my ($self, $opt) = @_;
+ local @SIG{keys %SIG} = values %SIG;
+ for my $sig (qw(HUP USR1 TSTP QUIT INT TERM)) {
+ $SIG{$sig} = sub { warn "SIG$sig ignored while scanning\n" };
+ }
+ require PublicInbox::InboxIdle;
+ require PublicInbox::DS;
+ require PublicInbox::Syscall;
+ require PublicInbox::Sigfd;
+ my $idler = PublicInbox::InboxIdle->new($self->{cfg});
+ if (!$self->{cfg}) {
+ $idler->watch_inbox($_) for (@{ibx_sorted($self, 'active')});
+ }
+ for my $ibx (@{ibx_sorted($self, 'active')}) {
+ $ibx->subscribe_unlock(__PACKAGE__, $self)
+ }
+ my $pr = $opt->{-progress};
+ $pr->("performing initial scan ...\n") if $pr;
+ my $sync = eidx_sync($self, $opt); # initial sync
+ return if $sync->{quit};
+ my $oldset = PublicInbox::DS::block_signals();
+ local $self->{current_info} = '';
+ my $cb = $SIG{__WARN__} || \&CORE::warn;
+ local $SIG{__WARN__} = sub {
+ return if PublicInbox::Eml::warn_ignore(@_);
+ $cb->($self->{current_info}, ': ', @_);
+ };
+ my $sig = {
+ HUP => sub { eidx_reload($self, $idler) },
+ USR1 => sub { eidx_resync_start($self) },
+ TSTP => sub { kill('STOP', $$) },
+ };
+ my $quit = PublicInbox::SearchIdx::quit_cb($sync);
+ $sig->{QUIT} = $sig->{INT} = $sig->{TERM} = $quit;
+ local $self->{-watch_sync} = $sync; # for ->on_inbox_unlock
+ PublicInbox::DS->SetPostLoopCallback(sub { !$sync->{quit} });
+ $pr->("initial scan complete, entering event loop\n") if $pr;
+ # calls InboxIdle->event_step:
+ PublicInbox::DS::event_loop($sig, $oldset);
+ done($self);
}
no warnings 'once';
*done = \&PublicInbox::V2Writable::done;
-*umask_prepare = \&PublicInbox::InboxWritable::umask_prepare;
*with_umask = \&PublicInbox::InboxWritable::with_umask;
*parallel_init = \&PublicInbox::V2Writable::parallel_init;
*nproc_shards = \&PublicInbox::V2Writable::nproc_shards;
+*sync_prepare = \&PublicInbox::V2Writable::sync_prepare;
+*index_todo = \&PublicInbox::V2Writable::index_todo;
+*count_shards = \&PublicInbox::V2Writable::count_shards;
+*atfork_child = \&PublicInbox::V2Writable::atfork_child;
+*idx_shard = \&PublicInbox::V2Writable::idx_shard;
+*reindex_checkpoint = \&PublicInbox::V2Writable::reindex_checkpoint;
+*checkpoint = \&PublicInbox::V2Writable::checkpoint;
1;