update watchdog to use log setup env var
[scpubgit/Object-Remote.git] / lib / Object / Remote / Handle.pm
CommitLineData
676438a1 1package Object::Remote::Handle;
2
3use Object::Remote::Proxy;
4use Scalar::Util qw(weaken blessed);
998ff9a4 5use Object::Remote::Logging qw ( :log :dlog router );
676438a1 6use Object::Remote::Future;
7use Module::Runtime qw(use_module);
8use Moo;
9
f4a85080 10BEGIN { router()->exclude_forwarding }
4e446335 11
676438a1 12has connection => (
5add5e29 13 is => 'ro', required => 1, handles => ['is_valid'],
676438a1 14 coerce => sub {
15 blessed($_[0])
16 ? $_[0]
17 : use_module('Object::Remote::Connection')->new_from_spec($_[0])
18 },
19);
20
21has id => (is => 'rwp');
22
23has disarmed_free => (is => 'rwp');
24
25sub disarm_free { $_[0]->_set_disarmed_free(1); $_[0] }
26
27sub proxy {
28 bless({ remote => $_[0], method => 'call' }, 'Object::Remote::Proxy');
29}
30
31sub BUILD {
32 my ($self, $args) = @_;
7790ca36 33 log_trace { "constructing remote handle" };
1d26d6f9 34 if ($self->id) {
90115979 35 log_trace { "disarming free for this handle" };
1d26d6f9 36 $self->disarm_free;
37 } else {
676438a1 38 die "No id supplied and no class either" unless $args->{class};
39 ref($_) eq 'HASH' and $_ = [ %$_ ] for $args->{args};
9031635d 40 log_trace { "fetching id for handle and disarming free on remote side" };
676438a1 41 $self->_set_id(
42 await_future(
f7611866 43 $self->connection->send_class_call(
44 0, $args->{class},
676438a1 45 $args->{constructor}||'new', @{$args->{args}||[]}
46 )
47 )->{remote}->disarm_free->id
48 );
49 }
998ff9a4 50 Dlog_trace { "finished constructing remote handle; id is $_" } $self->id;
676438a1 51 $self->connection->register_remote($self);
52}
53
54sub call {
55 my ($self, $method, @args) = @_;
56 my $w = wantarray;
5add5e29 57 my $id = $self->id;
d2eadebb 58
676438a1 59 $method = "start::${method}" if (caller(0)||'') eq 'start';
5add5e29 60 log_trace { "call('$method') has been invoked on remote handle '$id'; creating future" };
61
676438a1 62 future {
5add5e29 63 log_debug { "Invoking send on connection for handle '$id' method $method" };
64 $self->connection->send(call => $id, $w, $method, @args)
676438a1 65 };
66}
67
68sub call_discard {
69 my ($self, $method, @args) = @_;
9031635d 70 log_trace { "invoking send_discard() with 'call' for method '$method' on connection for remote handle" };
676438a1 71 $self->connection->send_discard(call => $self->id, $method, @args);
72}
73
74sub call_discard_free {
75 my ($self, $method, @args) = @_;
76 $self->disarm_free;
9031635d 77 log_trace { "invoking send_discard() with 'call_free' for method '$method' on connection for remote handle" };
676438a1 78 $self->connection->send_discard(call_free => $self->id, $method, @args);
79}
80
81sub DEMOLISH {
82 my ($self, $gd) = @_;
998ff9a4 83 Dlog_trace { "Demolishing remote handle $_" } $self->id;
676438a1 84 return if $gd or $self->disarmed_free;
82ef4e4b 85 #this could happen after the connection has gone away
86 eval { $self->connection->send_free($self->id) };
87 if ($@ && $@ !~ m/^Attempt to invoke _send on a connection that is not valid/) {
88 die "Could not invoke send_free on connection for handle " . $self->id;
89 }
676438a1 90}
91
921;