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5c5cd38a MG |
1 | package Gruntmaster::Daemon; |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | ||
7 | our $VERSION = '0.001'; | |
8 | ||
9 | use Gruntmaster::Daemon::Constants qw/ERR/; | |
10 | use Gruntmaster::Daemon::Base qw/watch/; | |
11 | use Gruntmaster::Page qw/generate/; | |
12 | ||
13 | use Fcntl qw/:flock/; | |
14 | use File::Copy qw/cp/; | |
15 | use IO::File; | |
16 | use Time::HiRes qw/time/; | |
17 | use Try::Tiny; | |
18 | use YAML::Any qw/LoadFile DumpFile/; | |
19 | use Log::Log4perl qw/get_logger/; | |
20 | ||
21 | ################################################## | |
22 | ||
23 | sub safe_can_nodie { | |
24 | my ($type, $sub, $name) = @_; | |
25 | ||
26 | return unless $name =~ /^\w+$/; | |
27 | no strict 'refs'; | |
28 | my $pkg = __PACKAGE__ . "::${type}::${name}"; | |
29 | eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@"); | |
30 | $pkg->can($sub); | |
31 | } | |
32 | ||
33 | sub safe_can { | |
34 | my ($type, $sub, $name) = @_; | |
35 | ||
36 | safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'"); | |
37 | } | |
38 | ||
39 | sub prepare_files{ | |
40 | my ($dir, $meta) = @_; | |
41 | ||
42 | for my $file (values $meta->{files}) { | |
43 | my ($format, $name) = @{$file}{qw/format name/}; | |
44 | ||
45 | my $prepare = safe_can Format => prepare => $format; | |
46 | $file->{run} = safe_can Format => run => $format; | |
47 | die "No such file: '$name'" unless -e $name; | |
48 | $prepare->($name); | |
49 | } | |
50 | } | |
51 | ||
52 | sub process{ | |
53 | my $dir = $_[0]; | |
54 | ||
55 | chdir $dir; | |
56 | mkdir "in"; | |
57 | for (<*>) { | |
58 | cp $_, "in" unless $_ eq 'in' || $_ eq 'pidfile'; | |
59 | } | |
60 | ||
61 | my @results; | |
62 | my @full_results = (); | |
63 | my $meta = {}; | |
64 | try { | |
65 | $meta = LoadFile "meta.yml"; | |
66 | if (exists $meta->{problem}) { | |
67 | my $problem = $meta->{problem}; | |
68 | die "No such problem: $problem" unless -d "../../pb/$problem"; | |
69 | for (<../../pb/$problem/*>) { | |
70 | cp $_, '.' unless $_ eq "../../pb/$problem/meta.yml" | |
71 | } | |
72 | ||
73 | my $pbmeta = LoadFile "../../pb/$problem/meta.yml"; | |
74 | $meta = {%$meta, %$pbmeta}; | |
75 | } | |
76 | ||
77 | my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_"} qw/files generator runner judge testcnt/; | |
78 | ||
79 | $generator = safe_can Generator => generate => $generator; | |
80 | $runner = safe_can Runner => run => $runner; | |
81 | $judge = safe_can Judge => judge => $judge; | |
82 | ||
83 | prepare_files $dir, $meta; | |
84 | for my $test (1 .. $testcnt) { | |
85 | my $start_time = time; | |
86 | my $result; | |
87 | try { | |
88 | $generator->($test, $meta); | |
89 | $result = $runner->($test, $meta); | |
90 | } catch { | |
91 | $result = $_; | |
92 | unless (ref $result) { | |
93 | chomp $result; | |
94 | $result = [ERR, $result]; | |
95 | } | |
96 | }; | |
97 | ||
98 | if (ref $result) { | |
99 | get_logger->trace("Test $test result is " . $result->[1]); | |
100 | push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time} | |
101 | } else { | |
102 | get_logger->trace("Test $test result is $result"); | |
103 | push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time} | |
104 | } | |
105 | push @results, $result; | |
106 | last if $meta->{judge} eq 'Absolute' && ref $result | |
107 | } | |
108 | ||
109 | my %results = $judge->(@results); | |
110 | $meta->{$_} = $results{$_} for keys %results; | |
111 | } catch { | |
112 | s,(.*) at .*,$1,; | |
113 | chomp; | |
114 | $meta->{result} = -1; | |
115 | $meta->{result_text} = $_; | |
116 | }; | |
117 | ||
118 | # Clean up | |
119 | get_logger->info("Job result: " . $meta->{result_text}); | |
120 | delete $meta->{files}{$_}{run} for keys $meta->{files}; | |
5c5cd38a MG |
121 | $meta->{results} = \@full_results if scalar @full_results; |
122 | DumpFile "meta.yml", $meta; | |
123 | for (<*>) { | |
fe185d88 | 124 | unlink $_ unless $_ eq 'in' || $_ eq 'meta.yml' || ($_ eq 'compile-error' && -s); |
5c5cd38a MG |
125 | } |
126 | chdir '../..'; | |
fee71502 MG |
127 | my $log = exists $meta->{contest} ? "ct/$meta->{contest}/log" : 'log'; |
128 | mkdir $log unless -d $log; | |
129 | IO::File->new(">$log/meta.yml")->close unless -f "$log/meta.yml"; | |
130 | flock my $logmetafh = IO::File->new("<$log/meta.yml"), LOCK_EX; | |
131 | my $logmeta = LoadFile "$log/meta.yml"; | |
5c5cd38a | 132 | $logmeta->{last}++; |
fee71502 MG |
133 | rename $dir, "$log/$logmeta->{last}"; |
134 | generate "$log/$logmeta->{last}/index.html"; | |
135 | DumpFile "$log/meta.yml", $logmeta; | |
5c5cd38a | 136 | undef $logmetafh; |
fee71502 | 137 | generate "$log/index.html" |
5c5cd38a MG |
138 | } |
139 | ||
140 | sub run{ | |
141 | Log::Log4perl->init('log.conf'); | |
142 | watch 'jobs', \&process; | |
143 | } | |
144 | ||
145 | 1; | |
146 | __END__ | |
147 | # Below is stub documentation for your module. You'd better edit it! | |
148 | ||
149 | =head1 NAME | |
150 | ||
151 | Gruntmaster::Daemon - Perl extension for blah blah blah | |
152 | ||
153 | =head1 SYNOPSIS | |
154 | ||
155 | use Gruntmaster::Daemon; | |
156 | blah blah blah | |
157 | ||
158 | =head1 DESCRIPTION | |
159 | ||
160 | Stub documentation for Gruntmaster::Daemon, created by h2xs. It looks like the | |
161 | author of the extension was negligent enough to leave the stub | |
162 | unedited. | |
163 | ||
164 | Blah blah blah. | |
165 | ||
166 | ||
167 | =head1 SEE ALSO | |
168 | ||
169 | Mention other useful documentation such as the documentation of | |
170 | related modules or operating system documentation (such as man pages | |
171 | in UNIX), or any relevant external documentation such as RFCs or | |
172 | standards. | |
173 | ||
174 | If you have a mailing list set up for your module, mention it here. | |
175 | ||
176 | If you have a web site set up for your module, mention it here. | |
177 | ||
178 | =head1 AUTHOR | |
179 | ||
180 | Marius Gavrilescu, E<lt>marius@E<gt> | |
181 | ||
182 | =head1 COPYRIGHT AND LICENSE | |
183 | ||
184 | Copyright (C) 2013 by Marius Gavrilescu | |
185 | ||
186 | This library is free software; you can redistribute it and/or modify | |
187 | it under the same terms as Perl itself, either Perl version 5.18.1 or, | |
188 | at your option, any later version of Perl 5 you may have available. | |
189 | ||
190 | ||
191 | =cut |