File Coverage

blib/lib/FFI/Probe/Runner.pm

Criterion	Covered	Total	%
statement	37	44	84.0
branch	3	6	50.0
condition	2	6	33.3
subroutine	12	12	100.0
pod	5	5	100.0
total	59	73	80.8

package FFI::Probe::Runner;

use strict;
use warnings;
use 5.008004;
use Capture::Tiny qw( capture );
use FFI::Probe::Runner::Result;

# ABSTRACT: Probe runner for FFI
our $VERSION = '2.08'; # VERSION


sub new
{
  my($class, %args) = @_;

  $args{exe} ||= do {
    require FFI::Platypus::ShareConfig;
    require File::Spec;
    require Config;
    File::Spec->catfile(FFI::Platypus::ShareConfig::dist_dir('FFI::Platypus'), 'probe', 'bin', "dlrun$Config::Config{exe_ext}");
  };

  defined $args{flags} or $args{flags} = '-';

  die "probe runner executable not found at: $args{exe}" unless -f $args{exe};

  my $self = bless {
    exe   => $args{exe},
    flags => $args{flags},
  }, $class;
  $self;
}


sub exe   { shift->{exe}   }
sub flags { shift->{flags} }


sub verify
{
  my($self) = @_;
  my $exe = $self->exe;
  my($out, $err, $ret) = capture {
    $! = 0;
    system $exe, 'verify', 'self';
  };
  return 1 if $ret == 0 && $out =~ /dlrun verify self ok/;
  print $out;
  print STDERR $err;
  die "verify failed";
}


sub run
{
  my($self, $dll, @args) = @_;
  my $exe   = $self->exe;
  my $flags = $self->flags;
  my($out, $err, $ret) = capture {
    my @cmd = ($exe, $dll, $flags, @args);
    $! = 0;
    system @cmd;
    $?;
  };
  FFI::Probe::Runner::Result->new(
    stdout => $out,
    stderr => $err,
    rv     => $ret >> 8,
    signal => $ret & 127,
  );
}

1;

__END__