use bytes qw(length);
use IO::Handle (); # autoflush
use PublicInbox::Eml;
+use PublicInbox::Sigfd;
sub new {
my ($class, $v2w, $shard) = @_; # v2w may be ExtSearchIdx
my ($r, $w);
pipe($r, $w) or die "pipe failed: $!\n";
$w->autoflush(1);
+ my $oldset = PublicInbox::Sigfd::block_signals();
my $pid = fork;
defined $pid or die "fork failed: $!\n";
if ($pid == 0) {
+ # these signals are localized in parent
+ $SIG{$_} = 'IGNORE' for (qw(TERM INT QUIT));
+ PublicInbox::Sigfd::sig_setmask($oldset);
my $bnote = $v2w->atfork_child;
close $w or die "failed to close: $!";
die "unexpected MM $self->{mm}" if $self->{mm};
exit;
}
+ PublicInbox::Sigfd::sig_setmask($oldset);
$self->{pid} = $pid;
$self->{w} = $w;
close $r or die "failed to close: $!";
sub eml ($$) {
my ($r, $len) = @_;
+ return if $len == 0;
my $n = read($r, my $bref, $len) or die "read: $!\n";
$n == $len or die "short read: $n != $len\n";
PublicInbox::Eml->new(\$bref);
} elsif ($line =~ s/\A\+X //) {
my ($len, $docid, $oid, $eidx_key) =
split(/ /, $line, 4);
+ chomp $eidx_key;
$self->add_eidx_info($docid, $oid, $eidx_key,
eml($r, $len));
} elsif ($line =~ s/\A-X //) {
my ($len, $docid, $oid, $eidx_key) =
split(/ /, $line, 4);
+ chomp $eidx_key;
$self->remove_eidx_info($docid, $oid, $eidx_key,
eml($r, $len));
+ } elsif ($line =~ s/\AO ([^\n]+)\n//) {
+ my $over_fn = $1;
+ $over_fn =~ tr/\0/\n/;
+ $self->over_check(PublicInbox::Over->new($over_fn));
} else {
chomp $line;
my $eidx_key;
if ($line =~ s/\AX=(.+)\0//) {
$eidx_key = $1;
- $v2w->{current_info} =~ s/\0/\\0/;
+ $v2w->{current_info} =~ s/\0/\\0 /;
}
# n.b. $mid may contain spaces(!)
my ($len, $bytes, $num, $oid, $ds, $ts, $tid, $mid)
sub index_raw {
my ($self, $msgref, $eml, $smsg, $ibx) = @_;
if (my $w = $self->{w}) {
- if ($ibx) {
- print $w 'X=', $ibx->eidx_key, "\0" or die
- "failed to write shard: $!\n";
- }
+ my @ekey = $ibx ? ('X='.$ibx->eidx_key."\0") : ();
$msgref //= \($eml->as_string);
$smsg->{raw_bytes} //= length($$msgref);
# mid must be last, it can contain spaces (but not LF)
- print $w join(' ', @$smsg{qw(raw_bytes bytes
+ print $w @ekey, join(' ', @$smsg{qw(raw_bytes bytes
num blob ds ts tid mid)}),
"\n", $$msgref or die "failed to write shard $!\n";
} else {
}
sub shard_remove_eidx_info {
- my ($self, $docid, $oid, $xibx, $eml) = @_;
- my $eidx_key = $xibx->eidx_key;
+ my ($self, $docid, $oid, $eidx_key, $eml) = @_;
if (my $w = $self->{w}) {
- my $hdr = $eml->header_obj->as_string;
+ my $hdr = $eml ? $eml->header_obj->as_string : '';
my $len = length($hdr);
print $w "-X $len $docid $oid $eidx_key\n", $hdr or
die "failed to write shard: $!";
}
}
+sub shard_over_check {
+ my ($self, $over) = @_;
+ if (my $w = $self->{w}) { # triggers remove_by_oid in a shard child
+ my ($over_fn) = $over->{dbh}->sqlite_db_filename;
+ $over_fn =~ tr/\n/\0/;
+ print $w "O $over_fn\n" or die "failed to write over $!";
+ } else {
+ $self->over_check($over);
+ }
+}
+
1;