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use syncrounous IO for log writer

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This commit is contained in:
Dietmar Maurer 2013-04-11 07:47:33 +02:00
parent 48c658a41c
commit c2e9823c0a
1 changed files with 20 additions and 15 deletions
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35
PVE/HTTPServer.pm
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@ -43,8 +43,6 @@ my $known_methods = {
sub log_request {
my ($self, $reqstate) = @_;
return if !$self->{loghdl};
my $loginfo = $reqstate->{log};
# like apache2 common log format
@ -59,7 +57,7 @@ sub log_request {
my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n";
$self->{loghdl}->push_write($msg);
$self->write_log($msg);
}
sub log_aborted_request {
@ -696,6 +694,9 @@ sub accept_connections {
$self->wait_end_loop() if $self->{end_loop};
}
# Note: We can't open log file in non-blocking mode and use AnyEvent::Handle,
# because we write from multiple processes, and that would arbitrarily mix output
# of all processes.
sub open_access_log {
my ($self, $filename) = @_;
@ -704,18 +705,23 @@ sub open_access_log {
die "unable to open log file '$filename' - $!\n";
umask($old_mask);
fh_nonblocking($logfh, 1);
$self->{loghdl} = AnyEvent::Handle->new(
fh => $logfh,
on_error => sub {
my ($hdl, $fatal, $msg) = @_;
syslog('err', "error writing access log: $msg");
delete $self->{loghdl};
$hdl->destroy;
$self->{end_loop} = 1; # terminate asap
});;
$logfh->autoflush(1);
return;
$self->{logfh} = $logfh;
}
sub write_log {
my ($self, $data) = @_;
return if !defined($self->{logfh}) || !$data;
my $res = $self->{logfh}->print($data);
if (!$res) {
delete $self->{logfh};
syslog('err', "error writing access log");
$self->{end_loop} = 1; # terminate asap
}
}
sub new {
@ -745,7 +751,6 @@ sub new {
$self->{tls_ctx} = AnyEvent::TLS->new(%{$self->{ssl}});
}
# fixme: logrotate?
$self->open_access_log($self->{logfile}) if $self->{logfile};
$self->{socket_watch} = AnyEvent->io(fh => $self->{socket}, poll => 'r', cb => sub {