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5c5cd38a MG |
1 | package Gruntmaster::Daemon; |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | ||
3e7fd903 | 7 | our $VERSION = '5999.000_004'; |
5c5cd38a MG |
8 | |
9 | use Gruntmaster::Daemon::Constants qw/ERR/; | |
fdb99417 | 10 | use Gruntmaster::Daemon::Format qw/prepare_files stopvms/; |
5c5cd38a | 11 | |
ab436d78 | 12 | use File::Basename qw/fileparse/; |
ab436d78 | 13 | use File::Temp qw/tempdir/; |
be3e5b32 | 14 | use JSON qw/decode_json encode_json/; |
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 | 20 | use constant PAGE_SIZE => 10; |
6bf57d23 MG |
21 | use constant FORMAT_EXTENSION => { |
22 | C => 'c', | |
23 | CPP => 'cpp', | |
5a4392d5 MG |
24 | GCCGO => 'go', |
25 | GOLANG => 'go', | |
26 | HASKELL => 'hs', | |
6bf57d23 MG |
27 | MONO => 'cs', |
28 | JAVA => 'java', | |
29 | PASCAL => 'pas', | |
30 | PERL => 'pl', | |
31 | PYTHON => 'py', | |
32 | }; | |
adb44605 | 33 | |
5c5cd38a MG |
34 | ################################################## |
35 | ||
7be5f054 | 36 | my $db; |
064332cd | 37 | |
b4ac22ff | 38 | sub safe_can { |
a722431b | 39 | my ($type, $sub, $name) = @_; |
5c5cd38a | 40 | |
fcfcfb93 | 41 | get_logger->logdie("Invalid \l$type: '$name'") unless $name =~ /^\w+$/s; |
a722431b MG |
42 | my $pkg = __PACKAGE__ . "::${type}::${name}"; |
43 | eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@"); | |
b4ac22ff | 44 | $pkg->can($sub) or get_logger->logdie("No such \l$type: '$name'"); |
5c5cd38a MG |
45 | } |
46 | ||
ab436d78 | 47 | sub process{ |
867a9dad | 48 | my ($meta) = @_; |
a722431b MG |
49 | |
50 | my @results; | |
51 | my @full_results = (); | |
a722431b MG |
52 | our $errors = ''; |
53 | try { | |
a722431b MG |
54 | prepare_files $meta; |
55 | chomp $errors; | |
56 | ||
99d37110 | 57 | my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_\n"} qw/files generator runner judge testcnt/; |
a722431b MG |
58 | |
59 | $generator = safe_can Generator => generate => $generator; | |
60 | $runner = safe_can Runner => run => $runner; | |
61 | $judge = safe_can Judge => judge => $judge; | |
62 | ||
63 | for my $test (1 .. $testcnt) { | |
64 | my $start_time = time; | |
65 | my $result; | |
66 | try { | |
67 | $generator->($test, $meta); | |
68 | $result = $runner->($test, $meta); | |
69 | } catch { | |
70 | $result = $_; | |
71 | unless (ref $result) { | |
72 | chomp $result; | |
73 | $result = [ERR, $result]; | |
74 | } | |
75 | }; | |
76 | ||
77 | if (ref $result) { | |
78 | get_logger->trace("Test $test result is " . $result->[1]); | |
79 | push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time} | |
80 | } else { | |
81 | get_logger->trace("Test $test result is $result"); | |
82 | push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time} | |
83 | } | |
84 | push @results, $result; | |
85 | last if $meta->{judge} eq 'Absolute' && ref $result | |
5c5cd38a | 86 | } |
5c5cd38a | 87 | |
a722431b MG |
88 | my %results = $judge->(@results); |
89 | $meta->{$_} = $results{$_} for keys %results; | |
7be5f054 | 90 | $meta->{results} = \@full_results |
a722431b | 91 | } catch { |
99d37110 | 92 | s/(.*) at .*/$1/s; |
a722431b MG |
93 | chomp; |
94 | $meta->{result} = -1; | |
95 | $meta->{result_text} = $_; | |
96 | }; | |
fdb99417 | 97 | stopvms; |
867a9dad | 98 | $meta->{errors} = $errors; |
a722431b | 99 | |
99d37110 | 100 | get_logger->info('Job result: ' . $meta->{result_text}); |
867a9dad MG |
101 | } |
102 | ||
103 | sub process_job { | |
104 | my ($job) = @_; | |
105 | my $meta = { | |
106 | problem => $job->problem->id, | |
107 | files => { | |
108 | prog => { | |
109 | name => 'prog.' . $job->extension, | |
110 | format => $job->format, | |
111 | content => $job->source, | |
112 | }, | |
113 | }, | |
114 | map { $_ => $job->problem->get_column($_) } qw/generator runner judge testcnt timeout olimit/ | |
115 | }; | |
116 | $meta->{tests} = decode_json $job->problem->tests if $meta->{runner} eq 'File'; | |
117 | ||
118 | $meta->{files}{ver} = { | |
119 | name => 'ver.' . FORMAT_EXTENSION->{$job->problem->verformat}, | |
120 | format => $job->problem->verformat, | |
121 | content => $job->problem->versource, | |
122 | } if $job->problem->verformat; | |
123 | ||
124 | process $meta; | |
125 | ||
126 | $job->update({ | |
be3e5b32 MG |
127 | result => $meta->{result}, |
128 | result_text => $meta->{result_text}, | |
6555bf80 | 129 | ($meta->{results} ? (results => encode_json $meta->{results}) : ()), |
867a9dad | 130 | $meta->{errors} ? (errors => $meta->{errors}) : () |
be3e5b32 MG |
131 | }); |
132 | ||
b335c4bb | 133 | my $solved = $meta->{result} ? 0 : 1; |
867a9dad | 134 | my $status = $db->problem_statuses->find($job->owner, $job->problem); |
b335c4bb | 135 | $db->problem_statuses->update_or_create({ |
867a9dad MG |
136 | problem => $job->problem, |
137 | owner => $job->owner, | |
138 | job => $job->id, | |
139 | solved => $solved}) if !$job->problem->is_private; | |
ab436d78 MG |
140 | } |
141 | ||
142 | sub got_job{ | |
be3e5b32 MG |
143 | my $job = $_[0]; |
144 | my $id = $job->id; | |
145 | get_logger->debug("Taking job $id..."); | |
146 | my $daemon = hostname . ":$$"; | |
19f0465b MG |
147 | $job->update({daemon => $daemon}, {where => {daemon => undef}})->discard_changes; |
148 | if ($job->daemon eq $daemon) { | |
be3e5b32 | 149 | get_logger->debug("Succesfully taken job $id"); |
867a9dad | 150 | process_job $job; |
be3e5b32 | 151 | get_logger->debug("Job $id done"); |
ab436d78 | 152 | } else { |
19f0465b | 153 | get_logger->debug("Job $id already taken by " . $job->daemon); |
ab436d78 | 154 | } |
5c5cd38a MG |
155 | } |
156 | ||
157 | sub run{ | |
55e61ae8 | 158 | require Gruntmaster::Data; |
9a69bbad | 159 | $db = Gruntmaster::Data->connect($ENV{GRUNTMASTER_DSN} // 'dbi:Pg:'); |
a722431b MG |
160 | Log::Log4perl->init('/etc/gruntmasterd/gruntmasterd-log.conf'); |
161 | get_logger->info("gruntmasterd $VERSION started"); | |
01d59515 MG |
162 | my $dir = tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1; |
163 | chmod 0711, $dir; | |
164 | chdir $dir; | |
be3e5b32 MG |
165 | while (1) { |
166 | my $job = $db->jobs->search({daemon => undef}, {rows => 1})->first; | |
167 | got_job $job if defined $job; | |
168 | sleep 2 unless defined $job; | |
169 | } | |
5c5cd38a MG |
170 | } |
171 | ||
172 | 1; | |
173 | __END__ | |
5c5cd38a MG |
174 | |
175 | =head1 NAME | |
176 | ||
bc372959 | 177 | Gruntmaster::Daemon - Gruntmaster 6000 Online Judge -- daemon |
5c5cd38a MG |
178 | |
179 | =head1 SYNOPSIS | |
180 | ||
181 | use Gruntmaster::Daemon; | |
bc372959 | 182 | Gruntmaster::Daemon->run; |
5c5cd38a MG |
183 | |
184 | =head1 DESCRIPTION | |
185 | ||
bc372959 | 186 | Gruntmaster::Daemon is the daemon component of the Gruntmaster 6000 online judge. |
5c5cd38a MG |
187 | |
188 | =head1 AUTHOR | |
189 | ||
bc372959 | 190 | Marius Gavrilescu E<lt>marius@ieval.roE<gt> |
5c5cd38a MG |
191 | |
192 | =head1 COPYRIGHT AND LICENSE | |
193 | ||
bc372959 | 194 | Copyright (C) 2014 by Marius Gavrilescu |
5c5cd38a | 195 | |
bc372959 MG |
196 | This library is free software: you can redistribute it and/or modify |
197 | it under the terms of the GNU Affero General Public License as published by | |
198 | the Free Software Foundation, either version 3 of the License, or | |
199 | (at your option) any later version. | |
5c5cd38a MG |
200 | |
201 | ||
202 | =cut |