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|
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 $VERSION = '2.10'; # VERSION
sub new
{
my($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__
=pod
=encoding UTF-8
=head1 NAME
FFI::Probe::Runner - Probe runner for FFI
=head1 VERSION
version 2.10
=head1 SYNOPSIS
use FFI::Probe::Runner;
my $runner = FFI::Probe::Runner->new;
$runner->run('foo.so');
=head1 DESCRIPTION
This class executes code in a dynamic library for probing and detecting platform
properties.
=head1 CONSTRUCTOR
=head2 new
my $runner = FFI::Probe::Runner->new(%args);
Creates a new instance.
=over 4
=item exe
The path to the dlrun wrapper. The default is usually correct.
=item flags
The flags to pass into C<dlopen>. The default is C<RTLD_LAZY> on Unix
and C<0> on windows..
=back
=head1 METHODS
=head2 exe
my $exe = $runner->exe;
The path to the dlrun wrapper.
=head2 flags
my $flags = $runner->flags;
The flags to pass into C<dlopen>.
=head2 verify
$runner->verify;
Verifies the dlrun wrapper is working. Throws an exception in the event of failure.
=head2 run
$runner->run($dll, @args);
Runs the C<dlmain> function in the given dynamic library, passing in the
given arguments. Returns a L<FFI::Probe::Runner::Result> object which
contains the results.
=head1 AUTHOR
Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>
Contributors:
Bakkiaraj Murugesan (bakkiaraj)
Dylan Cali (calid)
pipcet
Zaki Mughal (zmughal)
Fitz Elliott (felliott)
Vickenty Fesunov (vyf)
Gregor Herrmann (gregoa)
Shlomi Fish (shlomif)
Damyan Ivanov
Ilya Pavlov (Ilya33)
Petr Písař (ppisar)
Mohammad S Anwar (MANWAR)
Håkon Hægland (hakonhagland, HAKONH)
Meredith (merrilymeredith, MHOWARD)
Diab Jerius (DJERIUS)
Eric Brine (IKEGAMI)
szTheory
José Joaquín Atria (JJATRIA)
Pete Houston (openstrike, HOUSTON)
Lukas Mai (MAUKE)
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2015-2022 by Graham Ollis.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
