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5c5cd38a MG |
1 | package Gruntmaster::Daemon; |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | ||
a5522656 | 7 | our $VERSION = '5999.000_001'; |
5c5cd38a MG |
8 | |
9 | use Gruntmaster::Daemon::Constants qw/ERR/; | |
ad77b7d3 | 10 | use Gruntmaster::Daemon::Format qw/prepare_files/; |
4dc6495c | 11 | use Gruntmaster::Data; |
5c5cd38a | 12 | |
ab436d78 | 13 | use File::Basename qw/fileparse/; |
ab436d78 | 14 | use File::Temp qw/tempdir/; |
ab436d78 | 15 | use Sys::Hostname qw/hostname/; |
5c5cd38a MG |
16 | use Time::HiRes qw/time/; |
17 | use Try::Tiny; | |
5c5cd38a MG |
18 | use Log::Log4perl qw/get_logger/; |
19 | ||
adb44605 MG |
20 | use constant PAGE_SIZE => 10; |
21 | ||
5c5cd38a MG |
22 | ################################################## |
23 | ||
24 | sub safe_can_nodie { | |
25 | my ($type, $sub, $name) = @_; | |
26 | ||
27 | return unless $name =~ /^\w+$/; | |
28 | no strict 'refs'; | |
29 | my $pkg = __PACKAGE__ . "::${type}::${name}"; | |
30 | eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@"); | |
31 | $pkg->can($sub); | |
32 | } | |
33 | ||
34 | sub safe_can { | |
35 | my ($type, $sub, $name) = @_; | |
36 | ||
37 | safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'"); | |
38 | } | |
39 | ||
ab436d78 MG |
40 | sub process{ |
41 | my $job = shift; | |
5c5cd38a MG |
42 | |
43 | my @results; | |
44 | my @full_results = (); | |
45 | my $meta = {}; | |
22e9a940 | 46 | our $errors = ''; |
5c5cd38a | 47 | try { |
ab436d78 MG |
48 | $meta = job_inmeta $job; |
49 | if (job_problem $job) { | |
50 | my $pbmeta = problem_meta job_problem $job; | |
adb44605 | 51 | my %files = exists $meta->{files} ? %{$meta->{files}} : (); |
5c5cd38a | 52 | $meta = {%$meta, %$pbmeta}; |
ab436d78 | 53 | $meta->{files} = {%files, %{$pbmeta->{files}}} if exists $pbmeta->{files}; |
5c5cd38a MG |
54 | } |
55 | ||
ab436d78 | 56 | prepare_files $meta; |
22e9a940 | 57 | chomp $errors; |
ab436d78 | 58 | |
5c5cd38a MG |
59 | my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_"} qw/files generator runner judge testcnt/; |
60 | ||
61 | $generator = safe_can Generator => generate => $generator; | |
62 | $runner = safe_can Runner => run => $runner; | |
63 | $judge = safe_can Judge => judge => $judge; | |
64 | ||
5c5cd38a MG |
65 | for my $test (1 .. $testcnt) { |
66 | my $start_time = time; | |
67 | my $result; | |
68 | try { | |
69 | $generator->($test, $meta); | |
70 | $result = $runner->($test, $meta); | |
71 | } catch { | |
72 | $result = $_; | |
73 | unless (ref $result) { | |
74 | chomp $result; | |
75 | $result = [ERR, $result]; | |
76 | } | |
77 | }; | |
78 | ||
79 | if (ref $result) { | |
80 | get_logger->trace("Test $test result is " . $result->[1]); | |
81 | push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time} | |
82 | } else { | |
83 | get_logger->trace("Test $test result is $result"); | |
84 | push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time} | |
85 | } | |
86 | push @results, $result; | |
87 | last if $meta->{judge} eq 'Absolute' && ref $result | |
88 | } | |
89 | ||
90 | my %results = $judge->(@results); | |
91 | $meta->{$_} = $results{$_} for keys %results; | |
92 | } catch { | |
93 | s,(.*) at .*,$1,; | |
94 | chomp; | |
95 | $meta->{result} = -1; | |
96 | $meta->{result_text} = $_; | |
97 | }; | |
98 | ||
5c5cd38a | 99 | get_logger->info("Job result: " . $meta->{result_text}); |
ab436d78 MG |
100 | set_job_result $job, $meta->{result}; |
101 | set_job_result_text $job, $meta->{result_text}; | |
102 | set_job_results $job, \@full_results if scalar @full_results; | |
22e9a940 | 103 | set_job_errors $job, $errors; |
ab436d78 | 104 | |
0e0e340d | 105 | my $log = $Gruntmaster::Data::contest ? "ct/$Gruntmaster::Data::contest/log" : 'log'; |
adb44605 MG |
106 | |
107 | PUBLISH gensrc => ($Gruntmaster::Data::contest // '') . ".$job"; | |
95ea982c | 108 | PUBLISH genpage => "$log/job/$job.html"; |
7ddb70a9 | 109 | PUBLISH genpage => "$log/index.html"; |
4dc6495c | 110 | PUBLISH genpage => "$log/st.html"; |
adb44605 | 111 | my $page = ($job + PAGE_SIZE - 1) / PAGE_SIZE; |
4dc6495c MG |
112 | PUBLISH genpage => "$log/@{[$page - 1]}.html"; |
113 | PUBLISH genpage => "$log/$page.html"; | |
114 | PUBLISH genpage => "$log/@{[$page + 1]}.html"; | |
ab436d78 MG |
115 | } |
116 | ||
117 | sub got_job{ | |
cfb728e8 MG |
118 | $_[0] =~ /^(\w*)\.(\d+)$/; |
119 | my $job = $2; | |
0890dd25 | 120 | local $Gruntmaster::Data::contest = $1 if $1; |
cfb728e8 | 121 | get_logger->debug("Taking job $job@{[defined $1 ? \" of contest $1\" : '']}..."); |
ab436d78 MG |
122 | if (set_job_daemon $job, hostname . ":$$") { |
123 | get_logger->debug("Succesfully taken job $job"); | |
124 | process $job; | |
125 | get_logger->debug("Job $job done"); | |
126 | } else { | |
127 | get_logger->debug("Job $job already taken"); | |
128 | } | |
5c5cd38a MG |
129 | } |
130 | ||
131 | sub run{ | |
bd084fbe | 132 | Log::Log4perl->init('/etc/gruntmasterd/gruntmasterd-log.conf'); |
ab436d78 | 133 | get_logger->info("gruntmasterd $VERSION started"); |
f3ad9692 MG |
134 | chdir tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1; |
135 | SUBSCRIBE jobs => \&got_job; | |
136 | WAIT_FOR_MESSAGES 86400 while 1 | |
5c5cd38a MG |
137 | } |
138 | ||
139 | 1; | |
140 | __END__ | |
5c5cd38a MG |
141 | |
142 | =head1 NAME | |
143 | ||
bc372959 | 144 | Gruntmaster::Daemon - Gruntmaster 6000 Online Judge -- daemon |
5c5cd38a MG |
145 | |
146 | =head1 SYNOPSIS | |
147 | ||
148 | use Gruntmaster::Daemon; | |
bc372959 | 149 | Gruntmaster::Daemon->run; |
5c5cd38a MG |
150 | |
151 | =head1 DESCRIPTION | |
152 | ||
bc372959 | 153 | Gruntmaster::Daemon is the daemon component of the Gruntmaster 6000 online judge. |
5c5cd38a MG |
154 | |
155 | =head1 AUTHOR | |
156 | ||
bc372959 | 157 | Marius Gavrilescu E<lt>marius@ieval.roE<gt> |
5c5cd38a MG |
158 | |
159 | =head1 COPYRIGHT AND LICENSE | |
160 | ||
bc372959 | 161 | Copyright (C) 2014 by Marius Gavrilescu |
5c5cd38a | 162 | |
bc372959 MG |
163 | This library is free software: you can redistribute it and/or modify |
164 | it under the terms of the GNU Affero General Public License as published by | |
165 | the Free Software Foundation, either version 3 of the License, or | |
166 | (at your option) any later version. | |
5c5cd38a MG |
167 | |
168 | ||
169 | =cut |