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; |
fbd3b8ec |
7 | use Object::Remote::Future; |
18e789ab |
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 { |
18e789ab |
16 | my ($hook) = |
17 | grep {blessed($_) && $_->isa('Object::Remote::ModuleLoader::Hook') } |
18 | @INC; |
03f41c0e |
19 | return $hook ? $hook->sender : Object::Remote::ModuleSender->new; |
20 | } |
21 | |
498c4ad5 |
22 | has perl_command => (is => 'lazy'); |
23 | |
24 | sub _build_perl_command { [ 'perl', '-' ] } |
25 | |
03f41c0e |
26 | around connect => sub { |
27 | my ($orig, $self) = (shift, shift); |
fbd3b8ec |
28 | my $f = $self->$start::start($orig => @_); |
29 | return future { |
30 | $f->on_done(sub { |
31 | my ($conn) = $f->get; |
32 | Object::Remote::Handle->new( |
33 | connection => $conn, |
34 | class => 'Object::Remote::ModuleLoader', |
35 | args => { module_sender => $self->module_sender } |
36 | )->disarm_free; |
37 | require Object::Remote::Prompt; |
38 | Object::Remote::Prompt::maybe_set_prompt_command_on($conn); |
39 | }); |
40 | $f; |
41 | } 2; |
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42 | }; |
43 | |
498c4ad5 |
44 | sub final_perl_command { shift->perl_command } |
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45 | |
7efea51f |
46 | sub _start_perl { |
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47 | my $self = shift; |
48 | my $pid = open2( |
49 | my $foreign_stdout, |
50 | my $foreign_stdin, |
498c4ad5 |
51 | @{$self->final_perl_command}, |
a9fdb55e |
52 | ) or die "Failed to run perl at '$_[0]': $!"; |
7efea51f |
53 | return ($foreign_stdin, $foreign_stdout, $pid); |
54 | } |
55 | |
56 | sub _open2_for { |
57 | my $self = shift; |
58 | my ($foreign_stdin, $foreign_stdout, $pid) = $self->_start_perl(@_); |
fbd3b8ec |
59 | my $to_send = $self->fatnode_text; |
60 | Object::Remote->current_loop |
61 | ->watch_io( |
62 | handle => $foreign_stdin, |
63 | on_write_ready => sub { |
64 | my $len = syswrite($foreign_stdin, $to_send, 4096); |
65 | if (defined $len) { |
66 | substr($to_send, 0, $len) = ''; |
67 | } |
68 | # if the stdin went away, we'll never get Shere |
69 | # so it's not a big deal to simply give up on !defined |
70 | if (!defined($len) or 0 == length($to_send)) { |
71 | Object::Remote->current_loop |
72 | ->unwatch_io( |
73 | handle => $foreign_stdin, |
74 | on_write_ready => 1 |
75 | ); |
76 | } |
77 | } |
78 | ); |
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79 | return ($foreign_stdin, $foreign_stdout, $pid); |
80 | } |
81 | |
b1cbd5be |
82 | sub fatnode_text { |
83 | my ($self) = @_; |
84 | require Object::Remote::FatNode; |
85 | my $text = ''; |
86 | $text .= 'BEGIN { $ENV{OBJECT_REMOTE_DEBUG} = 1 }'."\n" |
87 | if $ENV{OBJECT_REMOTE_DEBUG}; |
88 | $text .= <<'END'; |
89 | $INC{'Object/Remote/FatNode.pm'} = __FILE__; |
90 | $Object::Remote::FatNode::DATA = <<'ENDFAT'; |
91 | END |
fbd3b8ec |
92 | $text .= do { no warnings 'once'; $Object::Remote::FatNode::DATA }; |
b1cbd5be |
93 | $text .= "ENDFAT\n"; |
94 | $text .= <<'END'; |
95 | eval $Object::Remote::FatNode::DATA; |
1a2d795f |
96 | die $@ if $@; |
b1cbd5be |
97 | END |
98 | $text .= "__END__\n"; |
99 | return $text; |
100 | } |
101 | |
a9fdb55e |
102 | 1; |