1 package Object::Remote::Role::Connector::PerlInterpreter;
5 use Object::Remote::ModuleSender;
6 use Object::Remote::Handle;
7 use Object::Remote::Future;
8 use Object::Remote::Logging qw( :log );
9 use Scalar::Util qw(blessed);
12 with 'Object::Remote::Role::Connector';
14 has module_sender => (is => 'lazy');
16 sub _build_module_sender {
18 grep {blessed($_) && $_->isa('Object::Remote::ModuleLoader::Hook') }
20 return $hook ? $hook->sender : Object::Remote::ModuleSender->new;
23 has perl_command => (is => 'lazy');
25 sub _build_perl_command { [ 'perl', '-' ] }
27 around connect => sub {
28 my ($orig, $self) = (shift, shift);
29 my $f = $self->$start::start($orig => @_);
33 my $sub = $conn->remote_sub('Object::Remote::Logging::init_logging_forwarding');
34 $sub->('Object::Remote::Logging', Object::Remote::Logging->arg_router);
35 Object::Remote::Handle->new(
37 class => 'Object::Remote::ModuleLoader',
38 args => { module_sender => $self->module_sender }
40 require Object::Remote::Prompt;
41 Object::Remote::Prompt::maybe_set_prompt_command_on($conn);
47 sub final_perl_command { shift->perl_command }
54 @{$self->final_perl_command},
55 ) or die "Failed to run perl at '$_[0]': $!";
56 return ($foreign_stdin, $foreign_stdout, $pid);
59 #TODO open2() forks off a child and I have not been able to locate
60 #a mechanism for reaping dead children so they don't become zombies
63 my ($foreign_stdin, $foreign_stdout, $pid) = $self->_start_perl(@_);
64 my $to_send = $self->fatnode_text;
65 log_debug { my $len = length($to_send); "Sending contents of fat node to remote node; size is '$len' characters" };
66 Object::Remote->current_loop
68 handle => $foreign_stdin,
69 on_write_ready => sub {
70 my $len = syswrite($foreign_stdin, $to_send, 4096);
72 substr($to_send, 0, $len) = '';
74 # if the stdin went away, we'll never get Shere
75 # so it's not a big deal to simply give up on !defined
76 if (!defined($len) or 0 == length($to_send)) {
77 log_trace { "Got EOF or error when writing fatnode data to filehandle, unwatching it" };
78 Object::Remote->current_loop
80 handle => $foreign_stdin,
84 log_trace { "Sent $len bytes of fatnode data to remote side" };
88 return ($foreign_stdin, $foreign_stdout, $pid);
93 require Object::Remote::FatNode;
95 $text .= 'BEGIN { $ENV{OBJECT_REMOTE_DEBUG} = 1 }'."\n"
96 if $ENV{OBJECT_REMOTE_DEBUG};
98 $INC{'Object/Remote/FatNode.pm'} = __FILE__;
99 $Object::Remote::FatNode::DATA = <<'ENDFAT';
101 $text .= do { no warnings 'once'; $Object::Remote::FatNode::DATA };
104 eval $Object::Remote::FatNode::DATA;
107 $text .= "__END__\n";