Commit | Line | Data |
a9fdb55e |
1 | package Object::Remote::Role::Connector::PerlInterpreter; |
2 | |
3 | use IPC::Open2; |
4c8c83d7 |
4 | use IO::Handle; |
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5 | use Object::Remote::ModuleSender; |
6 | use Object::Remote::Handle; |
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7 | use Object::Remote::Future; |
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8 | use Scalar::Util qw(blessed); |
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9 | use Moo::Role; |
10 | |
11 | with 'Object::Remote::Role::Connector'; |
12 | |
03f41c0e |
13 | has module_sender => (is => 'lazy'); |
14 | |
15 | sub _build_module_sender { |
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16 | my ($hook) = |
17 | grep {blessed($_) && $_->isa('Object::Remote::ModuleLoader::Hook') } |
18 | @INC; |
03f41c0e |
19 | return $hook ? $hook->sender : Object::Remote::ModuleSender->new; |
20 | } |
21 | |
22 | around connect => sub { |
23 | my ($orig, $self) = (shift, shift); |
fbd3b8ec |
24 | my $f = $self->$start::start($orig => @_); |
25 | return future { |
26 | $f->on_done(sub { |
27 | my ($conn) = $f->get; |
28 | Object::Remote::Handle->new( |
29 | connection => $conn, |
30 | class => 'Object::Remote::ModuleLoader', |
31 | args => { module_sender => $self->module_sender } |
32 | )->disarm_free; |
33 | require Object::Remote::Prompt; |
34 | Object::Remote::Prompt::maybe_set_prompt_command_on($conn); |
35 | }); |
36 | $f; |
37 | } 2; |
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38 | }; |
39 | |
40 | sub _perl_command { 'perl', '-' } |
41 | |
7efea51f |
42 | sub _start_perl { |
a9fdb55e |
43 | my $self = shift; |
44 | my $pid = open2( |
45 | my $foreign_stdout, |
46 | my $foreign_stdin, |
47 | $self->_perl_command(@_), |
48 | ) or die "Failed to run perl at '$_[0]': $!"; |
7efea51f |
49 | return ($foreign_stdin, $foreign_stdout, $pid); |
50 | } |
51 | |
52 | sub _open2_for { |
53 | my $self = shift; |
54 | my ($foreign_stdin, $foreign_stdout, $pid) = $self->_start_perl(@_); |
fbd3b8ec |
55 | my $to_send = $self->fatnode_text; |
56 | Object::Remote->current_loop |
57 | ->watch_io( |
58 | handle => $foreign_stdin, |
59 | on_write_ready => sub { |
60 | my $len = syswrite($foreign_stdin, $to_send, 4096); |
61 | if (defined $len) { |
62 | substr($to_send, 0, $len) = ''; |
63 | } |
64 | # if the stdin went away, we'll never get Shere |
65 | # so it's not a big deal to simply give up on !defined |
66 | if (!defined($len) or 0 == length($to_send)) { |
67 | Object::Remote->current_loop |
68 | ->unwatch_io( |
69 | handle => $foreign_stdin, |
70 | on_write_ready => 1 |
71 | ); |
72 | } |
73 | } |
74 | ); |
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75 | return ($foreign_stdin, $foreign_stdout, $pid); |
76 | } |
77 | |
b1cbd5be |
78 | sub fatnode_text { |
79 | my ($self) = @_; |
80 | require Object::Remote::FatNode; |
81 | my $text = ''; |
82 | $text .= 'BEGIN { $ENV{OBJECT_REMOTE_DEBUG} = 1 }'."\n" |
83 | if $ENV{OBJECT_REMOTE_DEBUG}; |
84 | $text .= <<'END'; |
85 | $INC{'Object/Remote/FatNode.pm'} = __FILE__; |
86 | $Object::Remote::FatNode::DATA = <<'ENDFAT'; |
87 | END |
fbd3b8ec |
88 | $text .= do { no warnings 'once'; $Object::Remote::FatNode::DATA }; |
b1cbd5be |
89 | $text .= "ENDFAT\n"; |
90 | $text .= <<'END'; |
91 | eval $Object::Remote::FatNode::DATA; |
92 | END |
93 | $text .= "__END__\n"; |
94 | return $text; |
95 | } |
96 | |
a9fdb55e |
97 | 1; |