# Copyright (C) all contributors
# License: AGPL-3.0+
# forwards stderr from lei/store process to any lei clients using
# the same store, falls back to syslog if no matching clients exist.
package PublicInbox::LeiStoreErr;
use v5.12;
use parent qw(PublicInbox::DS);
use PublicInbox::Syscall qw(EPOLLIN);
use Sys::Syslog qw(openlog syslog closelog);
use IO::Handle (); # ->blocking
sub new {
my ($cls, $rd, $lei) = @_;
my $self = bless { sock => $rd, store_path => $lei->store_path }, $cls;
$rd->blocking(0);
$self->SUPER::new($rd, EPOLLIN); # level-trigger
}
sub event_step {
my ($self) = @_;
my $n = sysread($self->{sock}, my $buf, 8192);
return ($!{EAGAIN} ? 0 : $self->close) if !defined($n);
return $self->close if !$n;
my $printed;
for my $lei (values %PublicInbox::DS::DescriptorMap) {
my $cb = $lei->can('store_path') // next;
next if $cb->($lei) ne $self->{store_path};
my $err = $lei->{2} // next;
print $err $buf and $printed = 1;
}
if (!$printed) {
openlog('lei/store', 'pid,nowait,nofatal,ndelay', 'user');
for my $l (split(/\n/, $buf)) { syslog('warning', '%s', $l) }
closelog(); # don't share across fork
}
}
1;