},
);
-has on_close => (is => 'rw', default => sub {});
+has on_close => (is => 'rw', default => sub { CPS::Future->new });
has child_pid => (is => 'ro');
-has is_ready => (is => 'rwp', trigger => sub {
- my ($self, $value) = @_;
- $self->ready_future->done if $value;
-});
-
has ready_future => (is => 'lazy');
sub _build_ready_future { CPS::Future->new }
has _receive_data_buffer => (is => 'ro', default => sub { my $x = ''; \$x });
-has local_objects_by_id => (is => 'ro', default => sub { {} });
+has local_objects_by_id => (
+ is => 'ro', default => sub { {} },
+ coerce => sub { +{ %{$_[0]} } }, # shallow clone on the way in
+);
+
+has remote_objects_by_id => (
+ is => 'ro', default => sub { {} },
+ coerce => sub { +{ %{$_[0]} } }, # shallow clone on the way in
+);
-has remote_objects_by_id => (is => 'ro', default => sub { {} });
+has outstanding_futures => (is => 'ro', default => sub { {} });
has _json => (
is => 'lazy',
eval { require Object::Remote::Connector::Local };
eval { require Object::Remote::Connector::LocalSudo };
eval { require Object::Remote::Connector::SSH };
+ eval { require Object::Remote::Connector::UNIX };
}
sub new_from_spec {
my ($class, $spec) = @_;
+ return $spec if blessed $spec;
foreach my $poss (do { our @Guess }) {
if (my $obj = $poss->($spec)) { return $obj }
}
die "Couldn't figure out what to do with ${spec}";
}
+sub remote_object {
+ my ($self, @args) = @_;
+ Object::Remote::Handle->new(
+ connection => $self, @args
+ )->proxy;
+}
+
+sub connect {
+ my ($self, $to) = @_;
+ return await_future(
+ $self->send_class_call(0, 'Object::Remote', connect => $to)
+ );
+}
+
+sub remote_sub {
+ my ($self, $sub) = @_;
+ my ($pkg, $name) = $sub =~ m/^(.*)::([^:]+)$/;
+ return await_future($self->send_class_call(0, $pkg, can => $name));
+}
+
+sub send_class_call {
+ my ($self, $ctx, @call) = @_;
+ $self->send(call => class_call_handler => $ctx => call => @call);
+}
+
+sub register_class_call_handler {
+ my ($self) = @_;
+ $self->local_objects_by_id->{'class_call_handler'}
+ = Object::Remote::CodeContainer->new(
+ code => sub {
+ my ($class, $method) = (shift, shift);
+ use_module($class)->$method(@_);
+ }
+ );
+}
+
sub register_remote {
my ($self, $remote) = @_;
weaken($self->remote_objects_by_id->{$remote->id} = $remote);
sub await_ready {
my ($self) = @_;
- return if $self->is_ready;
await_future($self->ready_future);
}
sub send {
my ($self, $type, @call) = @_;
- unshift @call, $type => my $future = CPS::Future->new;
+ my $future = CPS::Future->new;
+
+ unshift @call, $type => $self->_local_object_to_id($future);
+
+ my $outstanding = $self->outstanding_futures;
+ $outstanding->{$future} = $future;
+ $future->on_ready(sub { delete $outstanding->{$future} });
$self->_send(\@call);
sub send_discard {
my ($self, $type, @call) = @_;
- unshift @call, $type => { __remote_object__ => 'NULL' };
+ unshift @call, $type => 'NULL';
$self->_send(\@call);
}
sub _send {
my ($self, $to_send) = @_;
- $self->await_ready unless $self->is_ready;
+ $self->await_ready;
print { $self->send_to_fh } $self->_serialize($to_send)."\n";
}
sub _receive_data_from {
my ($self, $fh) = @_;
my $rb = $self->_receive_data_buffer;
- my $ready = $self->is_ready;
- if (sysread($fh, $$rb, 1024, length($$rb)) > 0) {
+ my $ready = $self->ready_future->is_ready;
+ my $len = sysread($fh, $$rb, 1024, length($$rb));
+ my $err = defined($len) ? '' : ": $!";
+ if (defined($len) and $len > 0) {
while ($$rb =~ s/^(.*)\n//) {
if ($ready) {
$self->_receive($1);
my $line = $1;
die "New remote container did not send Shere - got ${line}"
unless $line eq "Shere";
- $self->_set_is_ready($ready = 1);
+ $self->ready_future->done;
}
}
} else {
+ Object::Remote->current_loop
+ ->unwatch_io(
+ handle => $self->receive_from_fh,
+ on_read_ready => 1
+ );
+ my $outstanding = $self->outstanding_futures;
+ $_->fail("Connection lost${err}") for values %$outstanding;
+ %$outstanding = ();
$self->on_close->done();
}
}
}
sub receive_call {
- my ($self, $future, $id, @rest) = @_;
+ my ($self, $future_id, $id, @rest) = @_;
+ my $future = $self->_id_to_remote_object($future_id);
$future->{method} = 'call_discard_free';
my $local = $self->local_objects_by_id->{$id}
or do { $future->fail("No such object $id"); return };
}
sub receive_class_call {
- my ($self, $future, $class, @rest) = @_;
+ my ($self, $future_id, $class, @rest) = @_;
+ my $future = $self->_id_to_remote_object($future_id);
$future->{method} = 'call_discard_free';
eval { use_module($class) }
or do { $future->fail("Error loading ${class}: $@"); return };