package Object::Remote::Connection;
use CPS::Future;
+use Object::Remote::Null;
use Object::Remote;
use IO::Handle;
use Module::Runtime qw(use_module);
use JSON::PP qw(encode_json);
use Moo;
+our $DEBUG;
+
has send_to_fh => (
is => 'ro', required => 1,
trigger => sub { $_[1]->autoflush(1) },
},
);
+has on_close => (is => 'rw', default => sub {});
+
+has child_pid => (is => 'ro');
+
has _receive_data_buffer => (is => 'ro', default => sub { my $x = ''; \$x });
has local_objects_by_id => (is => 'ro', default => sub { {} });
JSON::PP->new->filter_json_single_key_object(
__remote_object__ => sub {
my $id = shift;
+ return bless({}, 'Object::Remote::Null') if $id eq 'NULL';
(
$remotes->{$id}
or Object::Remote->new(connection => $self, id => $id)
return $future;
}
+sub send_discard {
+ my ($self, $type, @call) = @_;
+
+ unshift @call, $type => { __remote_object__ => 'NULL' };
+
+ $self->_send(\@call);
+}
+
sub _send {
my ($self, $to_send) = @_;
- print { $self->send_to_fh } $self->_serialize($to_send);
+ print { $self->send_to_fh } $self->_serialize($to_send)."\n";
}
sub _serialize {
my ($self, $data) = @_;
local our @New_Ids;
- eval { return $self->_encode($self->_deobjectify($data)) };
- my $err = $@; # won't get here if the eval doesn't die
- # don't keep refs to new things
- delete @{$self->local_objects_by_id}{@New_Ids};
- die "Error serializing: $err";
+ return eval {
+ my $flat = $self->_encode($self->_deobjectify($data));
+ warn "$$ >>> ${flat}\n" if $DEBUG;
+ $flat;
+ } or do {
+ my $err = $@; # won't get here if the eval doesn't die
+ # don't keep refs to new things
+ delete @{$self->local_objects_by_id}{@New_Ids};
+ die "Error serializing: $err";
+ };
}
sub _deobjectify {
sub _receive_data_from {
my ($self, $fh) = @_;
my $rb = $self->_receive_data_buffer;
- if (sysread($self->read_fh, $$rb, 1024, length($$rb)) > 0) {
+ if (sysread($fh, $$rb, 1024, length($$rb)) > 0) {
while ($$rb =~ s/^(.*)\n//) {
$self->_receive($1);
}
+ } else {
+ $self->on_close->();
}
}
sub _receive {
- my ($self, $data) = @_;
- my ($type, @rest) = eval { @{$self->_deserialize($data)} }
- or do { warn "Deserialize failed for ${data}: $@"; return };
+ my ($self, $flat) = @_;
+ warn "$$ <<< $flat\n" if $DEBUG;
+ my ($type, @rest) = eval { @{$self->_deserialize($flat)} }
+ or do { warn "Deserialize failed for ${flat}: $@"; return };
eval { $self->${\"receive_${type}"}(@rest); 1 }
- or do { warn "Receive failed for ${data}: $@"; return };
+ or do { warn "Receive failed for ${flat}: $@"; return };
return;
}
sub receive_free {
my ($self, $id) = @_;
- delete $self->local_objects_by_id->{$id};
+ delete $self->local_objects_by_id->{$id}
+ or warn "Free: no such object $id";
return;
}
sub receive_call {
my ($self, $future, $id, @rest) = @_;
+ $future->{method} = 'call_discard_free';
my $local = $self->local_objects_by_id->{$id}
or do { $future->fail("No such object $id"); return };
$self->_invoke($future, $local, @rest);
}
+sub receive_call_free {
+ my ($self, $future, $id, @rest) = @_;
+ $self->receive_call($future, $id, @rest);
+ $self->receive_free($id);
+}
+
sub receive_class_call {
my ($self, $future, $class, @rest) = @_;
+ $future->{method} = 'call_discard_free';
eval { use_module($class) }
or do { $future->fail("Error loading ${class}: $@"); return };
$self->_invoke($future, $class, @rest);
sub _invoke {
my ($self, $future, $local, $method, @args) = @_;
- eval { $future->done($local->$method(@args)); 1 }
+ eval { $future->done(scalar $local->$method(@args)); 1 }
or do { $future->fail($@); return; };
return;
}