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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 | ||
55e61ae8 MG |
36 | sub purge; |
37 | ||
7be5f054 | 38 | my $db; |
064332cd | 39 | |
5c5cd38a | 40 | sub safe_can_nodie { |
a722431b | 41 | my ($type, $sub, $name) = @_; |
5c5cd38a | 42 | |
a722431b MG |
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); | |
5c5cd38a MG |
48 | } |
49 | ||
50 | sub safe_can { | |
a722431b | 51 | my ($type, $sub, $name) = @_; |
5c5cd38a | 52 | |
a722431b | 53 | safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'"); |
5c5cd38a MG |
54 | } |
55 | ||
ab436d78 | 56 | sub process{ |
be3e5b32 | 57 | my ($job, $jobr) = @_; |
a722431b MG |
58 | |
59 | my @results; | |
60 | my @full_results = (); | |
be3e5b32 | 61 | my $meta; |
a722431b MG |
62 | our $errors = ''; |
63 | try { | |
7be5f054 MG |
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 | }, |
7be5f054 MG |
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 | |
7be5f054 MG |
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 | |
a722431b MG |
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 | |
a722431b MG |
121 | my %results = $judge->(@results); |
122 | $meta->{$_} = $results{$_} for keys %results; | |
7be5f054 | 123 | $meta->{results} = \@full_results |
a722431b MG |
124 | } catch { |
125 | s,(.*) at .*,$1,; | |
126 | chomp; | |
127 | $meta->{result} = -1; | |
128 | $meta->{result_text} = $_; | |
129 | }; | |
fdb99417 | 130 | stopvms; |
a722431b MG |
131 | |
132 | get_logger->info("Job result: " . $meta->{result_text}); | |
7be5f054 | 133 | return unless $jobr; |
be3e5b32 MG |
134 | $jobr->update({ |
135 | result => $meta->{result}, | |
136 | result_text => $meta->{result_text}, | |
6555bf80 | 137 | ($meta->{results} ? (results => encode_json $meta->{results}) : ()), |
be3e5b32 MG |
138 | $errors ? (errors => $errors) : () |
139 | }); | |
140 | ||
b335c4bb MG |
141 | my $solved = $meta->{result} ? 0 : 1; |
142 | my $status = $db->problem_statuses->find($jobr->owner, $jobr->problem); | |
143 | $db->problem_statuses->update_or_create({ | |
144 | problem => $jobr->problem, | |
145 | owner => $jobr->owner, | |
146 | job => $jobr->id, | |
147 | solved => $solved}); | |
148 | ||
a5d85109 MG |
149 | purge '/log/'; |
150 | purge "/log/$job"; | |
151 | purge '/st/' . $jobr->contest if $jobr->contest; | |
152 | purge '/us/'; | |
153 | purge '/us/' . $jobr->owner; | |
ab436d78 MG |
154 | } |
155 | ||
156 | sub got_job{ | |
be3e5b32 MG |
157 | my $job = $_[0]; |
158 | my $id = $job->id; | |
159 | get_logger->debug("Taking job $id..."); | |
160 | my $daemon = hostname . ":$$"; | |
161 | $job->update({daemon => $daemon}); | |
162 | #if (set_job_daemon $job, hostname . ":$$") { | |
163 | if (1) { | |
164 | get_logger->debug("Succesfully taken job $id"); | |
165 | process $id, $job; | |
166 | get_logger->debug("Job $id done"); | |
ab436d78 | 167 | } else { |
be3e5b32 | 168 | get_logger->debug("Job $id already taken"); |
ab436d78 | 169 | } |
5c5cd38a MG |
170 | } |
171 | ||
172 | sub run{ | |
fdb99417 | 173 | warn "No GRUNTMASTER_VM environment variable. Running without a VM is a security risk.\n" unless $ENV{GRUNTMASTER_VM}; |
55e61ae8 | 174 | require Gruntmaster::Data; |
7be5f054 | 175 | $db = Gruntmaster::Data->connect('dbi:Pg:'); |
a722431b MG |
176 | Log::Log4perl->init('/etc/gruntmasterd/gruntmasterd-log.conf'); |
177 | get_logger->info("gruntmasterd $VERSION started"); | |
178 | chdir tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1; | |
be3e5b32 MG |
179 | while (1) { |
180 | my $job = $db->jobs->search({daemon => undef}, {rows => 1})->first; | |
181 | got_job $job if defined $job; | |
182 | sleep 2 unless defined $job; | |
183 | } | |
5c5cd38a MG |
184 | } |
185 | ||
186 | 1; | |
187 | __END__ | |
5c5cd38a MG |
188 | |
189 | =head1 NAME | |
190 | ||
bc372959 | 191 | Gruntmaster::Daemon - Gruntmaster 6000 Online Judge -- daemon |
5c5cd38a MG |
192 | |
193 | =head1 SYNOPSIS | |
194 | ||
195 | use Gruntmaster::Daemon; | |
bc372959 | 196 | Gruntmaster::Daemon->run; |
5c5cd38a MG |
197 | |
198 | =head1 DESCRIPTION | |
199 | ||
bc372959 | 200 | Gruntmaster::Daemon is the daemon component of the Gruntmaster 6000 online judge. |
5c5cd38a MG |
201 | |
202 | =head1 AUTHOR | |
203 | ||
bc372959 | 204 | Marius Gavrilescu E<lt>marius@ieval.roE<gt> |
5c5cd38a MG |
205 | |
206 | =head1 COPYRIGHT AND LICENSE | |
207 | ||
bc372959 | 208 | Copyright (C) 2014 by Marius Gavrilescu |
5c5cd38a | 209 | |
bc372959 MG |
210 | This library is free software: you can redistribute it and/or modify |
211 | it under the terms of the GNU Affero General Public License as published by | |
212 | the Free Software Foundation, either version 3 of the License, or | |
213 | (at your option) any later version. | |
5c5cd38a MG |
214 | |
215 | ||
216 | =cut |