Add formats GCCGO, GOLANG, HASKELL
[gruntmaster-daemon.git] / lib / Gruntmaster / Daemon.pm
1 package Gruntmaster::Daemon;
2
3 use 5.014000;
4 use strict;
5 use warnings;
6
7 our $VERSION = '5999.000_003';
8
9 use Gruntmaster::Daemon::Constants qw/ERR/;
10 use Gruntmaster::Daemon::Format qw/prepare_files/;
11 use Gruntmaster::Data;
12
13 use File::Basename qw/fileparse/;
14 use File::Temp qw/tempdir/;
15 use JSON qw/decode_json encode_json/;
16 use Sys::Hostname qw/hostname/;
17 use Time::HiRes qw/time/;
18 use Try::Tiny;
19 use Log::Log4perl qw/get_logger/;
20 use LWP::UserAgent;
21
22 use constant PAGE_SIZE => 10;
23 use constant FORMAT_EXTENSION => {
24 C => 'c',
25 CPP => 'cpp',
26 GCCGO => 'go',
27 GOLANG => 'go',
28 HASKELL => 'hs',
29 MONO => 'cs',
30 JAVA => 'java',
31 PASCAL => 'pas',
32 PERL => 'pl',
33 PYTHON => 'py',
34 };
35
36 ##################################################
37
38 my $db;
39 my $ua = LWP::UserAgent->new;
40 my @purge_hosts = exists $ENV{PURGE_HOSTS} ? split ' ', $ENV{PURGE_HOSTS} : ();
41
42 sub safe_can_nodie {
43 my ($type, $sub, $name) = @_;
44
45 return unless $name =~ /^\w+$/;
46 no strict 'refs';
47 my $pkg = __PACKAGE__ . "::${type}::${name}";
48 eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@");
49 $pkg->can($sub);
50 }
51
52 sub safe_can {
53 my ($type, $sub, $name) = @_;
54
55 safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'");
56 }
57
58 sub purge {
59 get_logger->trace("Purging $_[0]");
60 for my $host (@purge_hosts) {
61 my $req = HTTP::Request->new(PURGE => "http://$host$_[0]");
62 $ua->request($req)
63 }
64 }
65
66 sub process{
67 my ($job, $jobr) = @_;
68
69 my @results;
70 my @full_results = ();
71 my $meta;
72 our $errors = '';
73 try {
74 if (ref $job) {
75 $meta = $job;
76 } else {
77 $meta = {
78 problem => $jobr->problem->id,
79 files => {
80 prog => {
81 name => 'prog.' . $jobr->extension,
82 format => $jobr->format,
83 content => $jobr->source,
84 },
85 },
86 map { $_ => $jobr->problem->get_column($_) } qw/generator runner judge testcnt timeout olimit/
87 };
88 $meta->{tests} = decode_json $jobr->problem->tests if $meta->{runner} eq 'File';
89
90 $meta->{files}{ver} = {
91 name => 'ver.' . FORMAT_EXTENSION->{$jobr->problem->verformat},
92 format => $jobr->problem->verformat,
93 content => $jobr->problem->versource,
94 } if $jobr->problem->verformat;
95 }
96
97 prepare_files $meta;
98 chomp $errors;
99
100 my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_"} qw/files generator runner judge testcnt/;
101
102 $generator = safe_can Generator => generate => $generator;
103 $runner = safe_can Runner => run => $runner;
104 $judge = safe_can Judge => judge => $judge;
105
106 for my $test (1 .. $testcnt) {
107 my $start_time = time;
108 my $result;
109 try {
110 $generator->($test, $meta);
111 $result = $runner->($test, $meta);
112 } catch {
113 $result = $_;
114 unless (ref $result) {
115 chomp $result;
116 $result = [ERR, $result];
117 }
118 };
119
120 if (ref $result) {
121 get_logger->trace("Test $test result is " . $result->[1]);
122 push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time}
123 } else {
124 get_logger->trace("Test $test result is $result");
125 push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time}
126 }
127 push @results, $result;
128 last if $meta->{judge} eq 'Absolute' && ref $result
129 }
130
131 my %results = $judge->(@results);
132 $meta->{$_} = $results{$_} for keys %results;
133 $meta->{results} = \@full_results
134 } catch {
135 s,(.*) at .*,$1,;
136 chomp;
137 $meta->{result} = -1;
138 $meta->{result_text} = $_;
139 };
140
141 get_logger->info("Job result: " . $meta->{result_text});
142 return unless $jobr;
143 $jobr->update({
144 result => $meta->{result},
145 result_text => $meta->{result_text},
146 ($meta->{results} ? (results => encode_json $meta->{results}) : ()),
147 $errors ? (errors => $errors) : ()
148 });
149
150 my $log = $jobr->contest ? 'ct/' . $jobr->contest->id . '/log' : 'log';
151 my $page = int (($job + PAGE_SIZE - 1) / PAGE_SIZE);
152
153 purge "/$log/$job";
154 purge "/$log/";
155 purge "/$log/st";
156 purge "/$log/page/$_" for $page - 1, $page, $page + 1;
157 }
158
159 sub got_job{
160 my $job = $_[0];
161 my $id = $job->id;
162 get_logger->debug("Taking job $id...");
163 my $daemon = hostname . ":$$";
164 $job->update({daemon => $daemon});
165 #if (set_job_daemon $job, hostname . ":$$") {
166 if (1) {
167 get_logger->debug("Succesfully taken job $id");
168 process $id, $job;
169 get_logger->debug("Job $id done");
170 } else {
171 get_logger->debug("Job $id already taken");
172 }
173 }
174
175 sub run{
176 $db = Gruntmaster::Data->connect('dbi:Pg:');
177 Log::Log4perl->init('/etc/gruntmasterd/gruntmasterd-log.conf');
178 get_logger->info("gruntmasterd $VERSION started");
179 chdir tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1;
180 while (1) {
181 my $job = $db->jobs->search({daemon => undef}, {rows => 1})->first;
182 got_job $job if defined $job;
183 sleep 2 unless defined $job;
184 }
185 }
186
187 1;
188 __END__
189
190 =head1 NAME
191
192 Gruntmaster::Daemon - Gruntmaster 6000 Online Judge -- daemon
193
194 =head1 SYNOPSIS
195
196 use Gruntmaster::Daemon;
197 Gruntmaster::Daemon->run;
198
199 =head1 DESCRIPTION
200
201 Gruntmaster::Daemon is the daemon component of the Gruntmaster 6000 online judge.
202
203 =head1 AUTHOR
204
205 Marius Gavrilescu E<lt>marius@ieval.roE<gt>
206
207 =head1 COPYRIGHT AND LICENSE
208
209 Copyright (C) 2014 by Marius Gavrilescu
210
211 This library is free software: you can redistribute it and/or modify
212 it under the terms of the GNU Affero General Public License as published by
213 the Free Software Foundation, either version 3 of the License, or
214 (at your option) any later version.
215
216
217 =cut
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