Do not load Gruntmaster::Data if not needed
[gruntmaster-daemon.git] / lib / Gruntmaster / Daemon.pm
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1package Gruntmaster::Daemon;
2
3use 5.014000;
4use strict;
5use warnings;
6
3e7fd903 7our $VERSION = '5999.000_004';
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8
9use Gruntmaster::Daemon::Constants qw/ERR/;
ad77b7d3 10use Gruntmaster::Daemon::Format qw/prepare_files/;
5c5cd38a 11
ab436d78 12use File::Basename qw/fileparse/;
ab436d78 13use File::Temp qw/tempdir/;
be3e5b32 14use JSON qw/decode_json encode_json/;
ab436d78 15use Sys::Hostname qw/hostname/;
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16use Time::HiRes qw/time/;
17use Try::Tiny;
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18use Log::Log4perl qw/get_logger/;
19
adb44605 20use constant PAGE_SIZE => 10;
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21use constant FORMAT_EXTENSION => {
22 C => 'c',
23 CPP => 'cpp',
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24 GCCGO => 'go',
25 GOLANG => 'go',
26 HASKELL => 'hs',
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27 MONO => 'cs',
28 JAVA => 'java',
29 PASCAL => 'pas',
30 PERL => 'pl',
31 PYTHON => 'py',
32};
adb44605 33
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34##################################################
35
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36sub purge;
37
7be5f054 38my $db;
064332cd 39
5c5cd38a 40sub safe_can_nodie {
a722431b 41 my ($type, $sub, $name) = @_;
5c5cd38a 42
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43 return unless $name =~ /^\w+$/;
44 no strict 'refs';
45 my $pkg = __PACKAGE__ . "::${type}::${name}";
46 eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@");
47 $pkg->can($sub);
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48}
49
50sub safe_can {
a722431b 51 my ($type, $sub, $name) = @_;
5c5cd38a 52
a722431b 53 safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'");
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54}
55
ab436d78 56sub process{
be3e5b32 57 my ($job, $jobr) = @_;
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58
59 my @results;
60 my @full_results = ();
be3e5b32 61 my $meta;
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62 our $errors = '';
63 try {
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64 if (ref $job) {
65 $meta = $job;
66 } else {
67 $meta = {
68 problem => $jobr->problem->id,
69 files => {
70 prog => {
71 name => 'prog.' . $jobr->extension,
72 format => $jobr->format,
73 content => $jobr->source,
74 },
be3e5b32 75 },
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76 map { $_ => $jobr->problem->get_column($_) } qw/generator runner judge testcnt timeout olimit/
77 };
78 $meta->{tests} = decode_json $jobr->problem->tests if $meta->{runner} eq 'File';
be3e5b32 79
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80 $meta->{files}{ver} = {
81 name => 'ver.' . FORMAT_EXTENSION->{$jobr->problem->verformat},
82 format => $jobr->problem->verformat,
83 content => $jobr->problem->versource,
84 } if $jobr->problem->verformat;
85 }
5c5cd38a 86
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87 prepare_files $meta;
88 chomp $errors;
89
90 my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_"} qw/files generator runner judge testcnt/;
91
92 $generator = safe_can Generator => generate => $generator;
93 $runner = safe_can Runner => run => $runner;
94 $judge = safe_can Judge => judge => $judge;
95
96 for my $test (1 .. $testcnt) {
97 my $start_time = time;
98 my $result;
99 try {
100 $generator->($test, $meta);
101 $result = $runner->($test, $meta);
102 } catch {
103 $result = $_;
104 unless (ref $result) {
105 chomp $result;
106 $result = [ERR, $result];
107 }
108 };
109
110 if (ref $result) {
111 get_logger->trace("Test $test result is " . $result->[1]);
112 push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time}
113 } else {
114 get_logger->trace("Test $test result is $result");
115 push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time}
116 }
117 push @results, $result;
118 last if $meta->{judge} eq 'Absolute' && ref $result
5c5cd38a 119 }
5c5cd38a 120
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121 my %results = $judge->(@results);
122 $meta->{$_} = $results{$_} for keys %results;
7be5f054 123 $meta->{results} = \@full_results
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124 } catch {
125 s,(.*) at .*,$1,;
126 chomp;
127 $meta->{result} = -1;
128 $meta->{result_text} = $_;
129 };
130
131 get_logger->info("Job result: " . $meta->{result_text});
7be5f054 132 return unless $jobr;
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133 $jobr->update({
134 result => $meta->{result},
135 result_text => $meta->{result_text},
6555bf80 136 ($meta->{results} ? (results => encode_json $meta->{results}) : ()),
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137 $errors ? (errors => $errors) : ()
138 });
139
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140 my $solved = $meta->{result} ? 0 : 1;
141 my $status = $db->problem_statuses->find($jobr->owner, $jobr->problem);
142 $db->problem_statuses->update_or_create({
143 problem => $jobr->problem,
144 owner => $jobr->owner,
145 job => $jobr->id,
146 solved => $solved});
147
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148 purge '/log/';
149 purge "/log/$job";
150 purge '/st/' . $jobr->contest if $jobr->contest;
151 purge '/us/';
152 purge '/us/' . $jobr->owner;
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153}
154
155sub got_job{
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156 my $job = $_[0];
157 my $id = $job->id;
158 get_logger->debug("Taking job $id...");
159 my $daemon = hostname . ":$$";
160 $job->update({daemon => $daemon});
161 #if (set_job_daemon $job, hostname . ":$$") {
162 if (1) {
163 get_logger->debug("Succesfully taken job $id");
164 process $id, $job;
165 get_logger->debug("Job $id done");
ab436d78 166 } else {
be3e5b32 167 get_logger->debug("Job $id already taken");
ab436d78 168 }
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169}
170
171sub run{
55e61ae8 172 require Gruntmaster::Data;
7be5f054 173 $db = Gruntmaster::Data->connect('dbi:Pg:');
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174 Log::Log4perl->init('/etc/gruntmasterd/gruntmasterd-log.conf');
175 get_logger->info("gruntmasterd $VERSION started");
176 chdir tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1;
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177 while (1) {
178 my $job = $db->jobs->search({daemon => undef}, {rows => 1})->first;
179 got_job $job if defined $job;
180 sleep 2 unless defined $job;
181 }
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182}
183
1841;
185__END__
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186
187=head1 NAME
188
bc372959 189Gruntmaster::Daemon - Gruntmaster 6000 Online Judge -- daemon
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190
191=head1 SYNOPSIS
192
193 use Gruntmaster::Daemon;
bc372959 194 Gruntmaster::Daemon->run;
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195
196=head1 DESCRIPTION
197
bc372959 198Gruntmaster::Daemon is the daemon component of the Gruntmaster 6000 online judge.
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199
200=head1 AUTHOR
201
bc372959 202Marius Gavrilescu E<lt>marius@ieval.roE<gt>
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203
204=head1 COPYRIGHT AND LICENSE
205
bc372959 206Copyright (C) 2014 by Marius Gavrilescu
5c5cd38a 207
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208This library is free software: you can redistribute it and/or modify
209it under the terms of the GNU Affero General Public License as published by
210the Free Software Foundation, either version 3 of the License, or
211(at your option) any later version.
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212
213
214=cut
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