package Object::Remote::Connection;
-use CPS::Future;
+use Object::Remote::Future;
use Object::Remote::Null;
use Object::Remote;
use IO::Handle;
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 { {} });
-has remote_objects_by_id => (
- is => 'ro', default => sub { { NULL => bless({}, 'Object::Remote::Null') } }
-);
+has remote_objects_by_id => (is => 'ro', default => sub { {} });
has _json => (
is => 'lazy',
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 => $id)
);
}
+BEGIN {
+ unshift our @Guess, sub { blessed($_[0]) ? $_[0] : undef };
+ eval { require Object::Remote::Connector::Local };
+ eval { require Object::Remote::Connector::SSH };
+}
+
+sub new_from_spec {
+ my ($class, $spec) = @_;
+ foreach my $poss (do { our @Guess }) {
+ if (my $obj = $poss->($spec)) { return $obj }
+ }
+ die "Couldn't figure out what to do with ${spec}";
+}
+
sub register_remote {
my ($self, $remote) = @_;
weaken($self->remote_objects_by_id->{$remote->id} = $remote);
sub send_discard {
my ($self, $type, @call) = @_;
- unshift @call, $type => { __remote_object => 'NULL' };
+ unshift @call, $type => { __remote_object__ => 'NULL' };
$self->_send(\@call);
}
my ($self, $data) = @_;
local our @New_Ids;
return eval {
- $self->_encode($self->_deobjectify($data))
+ my $flat = $self->_encode($self->_deobjectify($data));
+ warn "$$ >>> ${flat}\n" if $DEBUG;
+ $flat;
} or do {
my $err = $@; # won't get here if the eval doesn't die
# don't keep refs to new things
while ($$rb =~ s/^(.*)\n//) {
$self->_receive($1);
}
+ } else {
+ $self->on_close->done();
}
}
sub _receive {
- my ($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}: $@"; return };
return;
}
sub receive_call {
my ($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, undef, @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 }
- or do { $future->fail($@); return; };
+ my ($self, $future, $local, $ctx, $method, @args) = @_;
+ if ($method =~ /^start::/) {
+ my $f = $local->$method(@args);
+ $f->on_done(sub { undef($f); $future->done(@_) });
+ return unless $f;
+ $f->on_fail(sub { undef($f); $future->fail(@_) });
+ return;
+ }
+ my $do = sub { $local->$method(@args) };
+ eval {
+ $future->done(
+ defined($ctx)
+ ? ($ctx ? $do->() : scalar($do->()))
+ : do { $do->(); () }
+ );
+ 1;
+ } or do { $future->fail($@); return; };
return;
}