1 package Object::Remote::ReadChannel;
4 use Scalar::Util qw(weaken openhandle);
5 use Object::Remote::Logging qw(:log :dlog router );
8 BEGIN { router()->exclude_forwarding }
11 is => 'ro', required => 1,
15 log_trace { "Watching filehandle via trigger on 'fh' attribute in Object::Remote::ReadChannel" };
16 Object::Remote->current_loop
19 on_read_ready => sub { $self->_receive_data_from($fh) }
24 has on_close_call => (
25 is => 'rw', default => sub { sub {} },
28 has on_line_call => (is => 'rw');
30 has _receive_data_buffer => (is => 'ro', default => sub { my $x = ''; \$x });
32 sub _receive_data_from {
34 Dlog_trace { "Preparing to read data from $_" } $fh;
35 my $rb = $self->_receive_data_buffer;
36 my $len = sysread($fh, $$rb, 32768, length($$rb));
37 my $err = defined($len) ? 'eof' : ": $!";
38 if (defined($len) and $len > 0) {
39 log_trace { "Read $len bytes of data" };
40 while (my $cb = $self->on_line_call and $$rb =~ s/^(.*)\n//) {
44 log_trace { "Got EOF or error, this read channel is done" };
45 Object::Remote->current_loop
50 log_trace { "Invoking on_close_call() for dead read channel" };
51 $self->on_close_call->($err);
58 log_trace { "read channel is being demolished" };
60 Object::Remote->current_loop