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|
# Before `make install' is performed this script should be runnable with
# `make test'. After `make install' it should work as `perl 07-thread.t'
#########################
use strict;
use warnings;
use Config;
use Test::More;
use ExtUtils::testlib;
use Crypt::GCrypt;
#########################
my @algos = qw(aes twofish blowfish arcfour cast5 des serpent seed);
my @available_algos;
if ($Config{useithreads} && eval "use threads; use Thread::Queue; 1") {
# test as many algorithms as we have.
@available_algos = grep Crypt::GCrypt::cipher_algo_available($_), @algos;
plan tests => 3 * @available_algos;
} else {
plan skip_all => "Skipping because your perl is not compiled with thread support";
}
my $str = 'Four Score and Seven years ago, our fore-monkeys created a great blah blah blah';
my $key = 'monkeymonkeymonkey';
sub nonthreadtest {
my $algo = shift;
my $enc = Crypt::GCrypt->new(
type => 'cipher',
algorithm => $algo,
#mode => 'cbc',
#padding => 'null'
);
$enc->start('encrypting');
$enc->setkey($key);
my $dec = Crypt::GCrypt->new(
type => 'cipher',
algorithm => $algo,
#mode => 'cbc',
#padding => 'null'
);
$dec->start('decrypting');
$dec->setkey($key);
my $out = '';
my $buf = $enc->encrypt($str);
$out .= $dec->decrypt($buf) if (length($buf)); # should we need to test this length() ?
$buf = $enc->finish();
$out .= $dec->decrypt($buf) if (length($buf)); # should we need to test this length() ?
$out .= $dec->finish();
warn sprintf("Non-threaded: Failed to match output with algorithm '%s'\n", $algo) if ($str ne $out);
return ($str eq $out);
}
sub producer_thread {
my $q = shift;
my $algo = shift;
my $enc = Crypt::GCrypt->new(
type => 'cipher',
algorithm => $algo,
#mode => 'cbc',
#padding => 'null'
);
$enc->start('encrypting');
$enc->setkey($key);
$q->enqueue($enc->encrypt($str));
$q->enqueue($enc->finish());
$q->enqueue(undef);
return 1;
}
sub consumer_thread {
my $q = shift;
my $algo = shift;
my $dec = Crypt::GCrypt->new(
type => 'cipher',
algorithm => $algo,
#mode => 'cbc',
#padding => 'null'
);
$dec->start('decrypting');
$dec->setkey($key);
my $buf;
my $out = '';
do {
$buf = $q->dequeue();
$out .= $dec->decrypt($buf) if (defined $buf);
} while (defined $buf);
$out .= $dec->finish();
warn sprintf("Threaded: failed to match output with algorithm '%s'\n".
"Wanted: %s\n Got: %s\n", $algo, unpack('H*', $str),
unpack('H*', $out)) if ($str ne $out);
return $str eq $out;
}
sub testalgo {
my $algo = shift;
ok(nonthreadtest($algo));
my $queue = Thread::Queue->new();
# create in scalar context so that the result is the returned scalar:
my $con = threads->create('consumer_thread', $queue, $algo);
my $pro = threads->create('producer_thread', $queue, $algo);
}
testalgo($_) for @available_algos;
ok($_->join()) for threads->list();
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