1 package Object::Remote::ReadChannel;
4 use Scalar::Util qw(weaken);
5 use Object::Remote::Logging qw(:log :dlog);
10 is => 'ro', required => 1,
14 log_trace { "Watching filehandle via trigger on 'fh' attribute in Object::Remote::ReadChannel" };
15 Object::Remote->current_loop
18 on_read_ready => sub { $self->_receive_data_from($fh) }
23 has on_close_call => (
24 is => 'rw', default => sub { sub {} },
27 has on_line_call => (is => 'rw');
29 has _receive_data_buffer => (is => 'ro', default => sub { my $x = ''; \$x });
31 sub _receive_data_from {
33 Dlog_trace { "Preparing to read data from $_" } $fh;
34 my $rb = $self->_receive_data_buffer;
35 my $len = sysread($fh, $$rb, 32768, length($$rb));
36 my $err = defined($len) ? '' : ": $!";
37 if (defined($len) and $len > 0) {
38 log_trace { "Read $len bytes of data" };
39 while (my $cb = $self->on_line_call and $$rb =~ s/^(.*)\n//) {
42 #TODO this isn't compatible with Windows but would be if
43 #EAGAIN was set to something that could never match
45 } elsif ($! != EAGAIN) {
46 log_trace { "Got EOF or error, this read channel is done" };
47 Object::Remote->current_loop
52 log_trace { "Invoking on_close_call() for dead read channel" };
53 $self->on_close_call->($err);
60 log_trace { "read channel is being demolished" };
61 Object::Remote->current_loop