$_[0]->{lockfh} = undef;
}
-# remote_* subs are only used by SearchIdxPart
-sub remote_commit {
- my ($self) = @_;
- if (my $w = $self->{w}) {
- print $w "commit\n" or die "failed to write commit: $!";
- } else {
- $self->commit_txn_lazy;
- }
-}
-
-sub remote_close {
- my ($self) = @_;
- if (my $w = delete $self->{w}) {
- my $pid = delete $self->{pid} or die "no process to wait on\n";
- print $w "close\n" or die "failed to write to pid:$pid: $!\n";
- close $w or die "failed to close pipe for pid:$pid: $!\n";
- waitpid($pid, 0) == $pid or die "remote process did not finish";
- $? == 0 or die ref($self)." pid:$pid exited with: $?";
- } else {
- die "transaction in progress $self\n" if $self->{txn};
- idx_release($self) if $self->{xdb};
- }
-}
-
-sub remote_remove {
- my ($self, $oid, $num) = @_;
- if (my $w = $self->{w}) {
- # triggers remove_by_oid in a shard
- print $w "D $oid $num\n" or die "failed to write remove $!";
- } else {
- $self->remove_by_oid($oid, $num);
- }
-}
-
sub _begin_txn {
my ($self) = @_;
my $xdb = $self->{xdb} || idx_acquire($self);
# Copyright (C) 2018-2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-# used to interface with a single Xapian shard in V2 repos.
+# Internal interface for a single Xapian shard in V2 inboxes.
# See L<public-inbox-v2-format(5)> for more info on how we shard Xapian
package PublicInbox::SearchIdxShard;
use strict;
close $r or die "failed to close: $!";
}
+# this reads all the writes to $self->{w} from the parent process
sub shard_worker_loop ($$$$$) {
my ($self, $v2w, $r, $shard, $bnote) = @_;
$0 = "pi-v2-shard[$shard]";
$self->worker_done;
}
-# called by V2Writable
sub index_raw {
my ($self, $msgref, $eml, $smsg) = @_;
if (my $w = $self->{w}) {
close $_[0]->{w} or die "failed to close write pipe: $!\n";
}
-# called by V2Writable:
-sub remote_barrier {
+sub shard_barrier {
my ($self) = @_;
if (my $w = $self->{w}) {
print $w "barrier\n" or die "failed to print: $!";
}
}
+sub shard_commit {
+ my ($self) = @_;
+ if (my $w = $self->{w}) {
+ print $w "commit\n" or die "failed to write commit: $!";
+ } else {
+ $self->commit_txn_lazy;
+ }
+}
+
+sub shard_close {
+ my ($self) = @_;
+ if (my $w = delete $self->{w}) {
+ my $pid = delete $self->{pid} or die "no process to wait on\n";
+ print $w "close\n" or die "failed to write to pid:$pid: $!\n";
+ close $w or die "failed to close pipe for pid:$pid: $!\n";
+ waitpid($pid, 0) == $pid or die "remote process did not finish";
+ $? == 0 or die ref($self)." pid:$pid exited with: $?";
+ } else {
+ die "transaction in progress $self\n" if $self->{txn};
+ $self->idx_release if $self->{xdb};
+ }
+}
+
+sub shard_remove {
+ my ($self, $oid, $num) = @_;
+ if (my $w = $self->{w}) { # triggers remove_by_oid in a shard child
+ print $w "D $oid $num\n" or die "failed to write remove $!";
+ } else { # same process
+ $self->remove_by_oid($oid, $num);
+ }
+}
+
1;
my $barrier = $self->barrier_init(scalar @$shards);
# each shard needs to issue a barrier command
- $_->remote_barrier for @$shards;
+ $_->shard_barrier for @$shards;
# wait for each Xapian shard
$self->barrier_wait($barrier);
} else {
- $_->remote_commit for @$shards;
+ $_->shard_commit for @$shards;
}
# last_commit is special, don't commit these until
my $shards = delete $self->{idx_shards};
if ($shards) {
for (@$shards) {
- eval { $_->remote_close };
+ eval { $_->shard_close };
$err .= "shard close: $@\n" if $@;
}
}
my @removed = $self->{over}->remove_oid($oid, $mid);
for my $num (@removed) {
my $idx = idx_shard($self, $num % $self->{shards});
- $idx->remote_remove($oid, $num);
+ $idx->shard_remove($oid, $num);
}
}