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1 | package Gruntmaster::Daemon; | |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | ||
7 | our $VERSION = '5999.000_004'; | |
8 | ||
9 | use Gruntmaster::Daemon::Constants qw/ERR/; | |
10 | use Gruntmaster::Daemon::Format qw/prepare_files stopvms/; | |
11 | ||
12 | use File::Basename qw/fileparse/; | |
13 | use File::Temp qw/tempdir/; | |
14 | use JSON qw/decode_json encode_json/; | |
15 | use Sys::Hostname qw/hostname/; | |
16 | use Time::HiRes qw/time/; | |
17 | use Try::Tiny; | |
18 | use Log::Log4perl qw/get_logger/; | |
19 | ||
20 | use constant PAGE_SIZE => 10; | |
21 | use constant FORMAT_EXTENSION => { | |
22 | C => 'c', | |
23 | CPP => 'cpp', | |
24 | GCCGO => 'go', | |
25 | GOLANG => 'go', | |
26 | HASKELL => 'hs', | |
27 | MONO => 'cs', | |
28 | JAVA => 'java', | |
29 | PASCAL => 'pas', | |
30 | PERL => 'pl', | |
31 | PYTHON => 'py', | |
32 | }; | |
33 | ||
34 | ################################################## | |
35 | ||
36 | my $db; | |
37 | ||
38 | sub safe_can_nodie { | |
39 | my ($type, $sub, $name) = @_; | |
40 | ||
41 | return unless $name =~ /^\w+$/s; | |
42 | my $pkg = __PACKAGE__ . "::${type}::${name}"; | |
43 | eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@"); | |
44 | $pkg->can($sub); | |
45 | } | |
46 | ||
47 | sub safe_can { | |
48 | my ($type, $sub, $name) = @_; | |
49 | ||
50 | safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'"); | |
51 | } | |
52 | ||
53 | sub process{ | |
54 | my ($job, $jobr) = @_; | |
55 | ||
56 | my @results; | |
57 | my @full_results = (); | |
58 | my $meta; | |
59 | our $errors = ''; | |
60 | try { | |
61 | if (ref $job) { | |
62 | $meta = $job; | |
63 | } else { | |
64 | $meta = { | |
65 | problem => $jobr->problem->id, | |
66 | files => { | |
67 | prog => { | |
68 | name => 'prog.' . $jobr->extension, | |
69 | format => $jobr->format, | |
70 | content => $jobr->source, | |
71 | }, | |
72 | }, | |
73 | map { $_ => $jobr->problem->get_column($_) } qw/generator runner judge testcnt timeout olimit/ | |
74 | }; | |
75 | $meta->{tests} = decode_json $jobr->problem->tests if $meta->{runner} eq 'File'; | |
76 | ||
77 | $meta->{files}{ver} = { | |
78 | name => 'ver.' . FORMAT_EXTENSION->{$jobr->problem->verformat}, | |
79 | format => $jobr->problem->verformat, | |
80 | content => $jobr->problem->versource, | |
81 | } if $jobr->problem->verformat; | |
82 | } | |
83 | ||
84 | prepare_files $meta; | |
85 | chomp $errors; | |
86 | ||
87 | my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_\n"} qw/files generator runner judge testcnt/; | |
88 | ||
89 | $generator = safe_can Generator => generate => $generator; | |
90 | $runner = safe_can Runner => run => $runner; | |
91 | $judge = safe_can Judge => judge => $judge; | |
92 | ||
93 | for my $test (1 .. $testcnt) { | |
94 | my $start_time = time; | |
95 | my $result; | |
96 | try { | |
97 | $generator->($test, $meta); | |
98 | $result = $runner->($test, $meta); | |
99 | } catch { | |
100 | $result = $_; | |
101 | unless (ref $result) { | |
102 | chomp $result; | |
103 | $result = [ERR, $result]; | |
104 | } | |
105 | }; | |
106 | ||
107 | if (ref $result) { | |
108 | get_logger->trace("Test $test result is " . $result->[1]); | |
109 | push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time} | |
110 | } else { | |
111 | get_logger->trace("Test $test result is $result"); | |
112 | push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time} | |
113 | } | |
114 | push @results, $result; | |
115 | last if $meta->{judge} eq 'Absolute' && ref $result | |
116 | } | |
117 | ||
118 | my %results = $judge->(@results); | |
119 | $meta->{$_} = $results{$_} for keys %results; | |
120 | $meta->{results} = \@full_results | |
121 | } catch { | |
122 | s/(.*) at .*/$1/s; | |
123 | chomp; | |
124 | $meta->{result} = -1; | |
125 | $meta->{result_text} = $_; | |
126 | }; | |
127 | stopvms; | |
128 | ||
129 | get_logger->info('Job result: ' . $meta->{result_text}); | |
130 | return unless $jobr; | |
131 | $jobr->update({ | |
132 | result => $meta->{result}, | |
133 | result_text => $meta->{result_text}, | |
134 | ($meta->{results} ? (results => encode_json $meta->{results}) : ()), | |
135 | $errors ? (errors => $errors) : () | |
136 | }); | |
137 | ||
138 | my $solved = $meta->{result} ? 0 : 1; | |
139 | my $status = $db->problem_statuses->find($jobr->owner, $jobr->problem); | |
140 | $db->problem_statuses->update_or_create({ | |
141 | problem => $jobr->problem, | |
142 | owner => $jobr->owner, | |
143 | job => $jobr->id, | |
144 | solved => $solved}) if !$jobr->problem->is_private; | |
145 | } | |
146 | ||
147 | sub got_job{ | |
148 | my $job = $_[0]; | |
149 | my $id = $job->id; | |
150 | get_logger->debug("Taking job $id..."); | |
151 | my $daemon = hostname . ":$$"; | |
152 | $job->update({daemon => $daemon}); | |
153 | #if (set_job_daemon $job, hostname . ":$$") { | |
154 | if (1) { | |
155 | get_logger->debug("Succesfully taken job $id"); | |
156 | process $id, $job; | |
157 | get_logger->debug("Job $id done"); | |
158 | } else { | |
159 | get_logger->debug("Job $id already taken"); | |
160 | } | |
161 | } | |
162 | ||
163 | sub run{ | |
164 | require Gruntmaster::Data; | |
165 | $db = Gruntmaster::Data->connect($ENV{GRUNTMASTER_DSN} // 'dbi:Pg:'); | |
166 | Log::Log4perl->init('/etc/gruntmasterd/gruntmasterd-log.conf'); | |
167 | get_logger->info("gruntmasterd $VERSION started"); | |
168 | my $dir = tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1; | |
169 | chmod 0711, $dir; | |
170 | chdir $dir; | |
171 | while (1) { | |
172 | my $job = $db->jobs->search({daemon => undef}, {rows => 1})->first; | |
173 | got_job $job if defined $job; | |
174 | sleep 2 unless defined $job; | |
175 | } | |
176 | } | |
177 | ||
178 | 1; | |
179 | __END__ | |
180 | ||
181 | =head1 NAME | |
182 | ||
183 | Gruntmaster::Daemon - Gruntmaster 6000 Online Judge -- daemon | |
184 | ||
185 | =head1 SYNOPSIS | |
186 | ||
187 | use Gruntmaster::Daemon; | |
188 | Gruntmaster::Daemon->run; | |
189 | ||
190 | =head1 DESCRIPTION | |
191 | ||
192 | Gruntmaster::Daemon is the daemon component of the Gruntmaster 6000 online judge. | |
193 | ||
194 | =head1 AUTHOR | |
195 | ||
196 | Marius Gavrilescu E<lt>marius@ieval.roE<gt> | |
197 | ||
198 | =head1 COPYRIGHT AND LICENSE | |
199 | ||
200 | Copyright (C) 2014 by Marius Gavrilescu | |
201 | ||
202 | This library is free software: you can redistribute it and/or modify | |
203 | it under the terms of the GNU Affero General Public License as published by | |
204 | the Free Software Foundation, either version 3 of the License, or | |
205 | (at your option) any later version. | |
206 | ||
207 | ||
208 | =cut |