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1 package Gruntmaster::Daemon::Runner::Interactive;
2
3 use 5.014000;
4 use strict;
5 use warnings;
6
7 use File::Slurp qw/slurp/;
8 use Gruntmaster::Daemon::Constants qw/WA/;
9 use Gruntmaster::Daemon::Format qw/copy_from_vm/;
10 use Log::Log4perl qw/get_logger/;
11 use POSIX qw/mkfifo/;
12 use Try::Tiny;
13
14 our $VERSION = '5999.000_005';
15
16 ##################################################
17
18 sub run{
19 my ($test, $meta) = @_;
20 get_logger->trace("Running on test $test...");
21
22 my @fds = $ENV{GRUNTMASTER_VM} ? qw,0 ../fifo1 1 >../fifo2, : qw/0 fifo1 1 >fifo2/;
23 $meta->{files}{prog}{run}->($meta->{files}{prog}{name}, nonblocking => 1, fds => \@fds, map { $_ => $meta->{$_} } qw/timeout mlimit/);
24
25 my $fail;
26 @fds = $ENV{GRUNTMASTER_VM} ? qw,1 >../fifo1 0 ../fifo2, : qw/1 >fifo1 0 fifo2/;
27 try {
28 $meta->{files}{ver}{run}->($meta->{files}{ver}{name}, fds => [@fds, qw,3 input 4 >result,], args => [$test], map { $_ => $meta->{$_} } qw/timeout mlimit/);
29 } catch {
30 $fail = [WA, 'Wrong Answer'];
31 };
32
33 try {
34 Gruntmaster::Daemon::Format::execlist_finish(prog => !$fail);
35 } catch {
36 $fail = $_;
37 };
38
39 die $fail if $fail; ## no critic (RequireCarping)
40 copy_from_vm 'result';
41 scalar slurp 'result' or 'Ok'
42 }
43
44 1;
45 __END__
46
47 =encoding utf-8
48
49 =head1 NAME
50
51 Gruntmaster::Daemon::Runner::Interactive - Make an interactive verifier talk to the program
52
53 =head1 SYNOPSIS
54
55 use Gruntmaster::Daemon::Runner::Interactive;
56 Gruntmaster::Daemon::Runner::Interactive::run(5, $meta);
57
58 =head1 DESCRIPTION
59
60 B<WARNING: This runner is experimental!>
61
62 Gruntmaster::Daemon::Runner::Interactive is a runner which runs the program and an interactive verifier in parallel, connecting each program's STDIN to the other's STDOUT. The verifier, C<< $meta->{files}{ver} >>, should return nonzero if the program gives an incorrect answer, or print the test score to fd 4 then return 0 if the answer is correct.
63
64 =head1 AUTHOR
65
66 Marius Gavrilescu E<lt>marius@ieval.roE<gt>
67
68 =head1 COPYRIGHT AND LICENSE
69
70 Copyright (C) 2014 by Marius Gavrilescu
71
72 This library is free software: you can redistribute it and/or modify
73 it under the terms of the GNU Affero General Public License as published by
74 the Free Software Foundation, either version 3 of the License, or
75 (at your option) any later version.
76
77
78 =cut
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