1 package Tak::JSONChannel;
3 use JSON::PP qw(encode_json decode_json);
5 use Scalar::Util qw(weaken);
6 use Log::Contextual qw(:log);
9 has read_fh => (is => 'ro', required => 1);
10 has write_fh => (is => 'ro', required => 1);
12 sub BUILD { shift->write_fh->autoflush(1); }
16 if (defined(my $line = readline($self->read_fh))) {
17 log_trace { "Received $line" };
18 if (my $unpacked = $self->_unpack_line($line)) {
22 return [ 'close', 'channel' ];
27 my ($self, $line) = @_;
28 my $data = eval { decode_json($line) };
30 $self->write_message(mistake => invalid_json => $@||'No data and no exception');
33 unless (ref($data) eq 'ARRAY') {
34 $self->write_message(mistake => message_format => "Not an ARRAY");
38 $self->write_message(mistake => message_format => "Empty request array");
45 my ($self, @msg) = @_;
46 my $json = eval { encode_json(\@msg) };
48 $self->_raw_write_message(
50 [ failure => invalid_message => $@||'No data and no exception' ]
55 log_trace { "Sending: $json" };
56 $self->_raw_write_message($json);
59 sub _raw_write_message {
60 my ($self, $raw) = @_;
61 #warn "Sending: ${raw}\n";
62 print { $self->write_fh } $raw."\n";