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1 | package Gruntmaster::Daemon; | |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | ||
7 | our $VERSION = '0.001'; | |
8 | ||
9 | use Gruntmaster::Daemon::Constants qw/ERR/; | |
10 | use Gruntmaster::Daemon::Format qw/mkrun/; | |
11 | use Gruntmaster::Page qw/generate/; | |
12 | use Gruntmaster::Data qw/job_inmeta job_problem problem_meta set_job_daemon set_job_result set_job_result_text set_job_results SUBSCRIBE WAIT_FOR_MESSAGES/; | |
13 | ||
14 | use File::Basename qw/fileparse/; | |
15 | use File::Slurp qw/write_file/; | |
16 | use File::Spec::Functions qw/devnull/; | |
17 | use File::Temp qw/tempdir/; | |
18 | use IO::File; | |
19 | use IPC::Open3 qw/open3/; | |
20 | use Sys::Hostname qw/hostname/; | |
21 | use Time::HiRes qw/time/; | |
22 | use Try::Tiny; | |
23 | use YAML::Any qw/LoadFile DumpFile/; | |
24 | use Log::Log4perl qw/get_logger/; | |
25 | use Data::Dumper qw/Dumper/; | |
26 | ||
27 | ################################################## | |
28 | ||
29 | sub safe_can_nodie { | |
30 | my ($type, $sub, $name) = @_; | |
31 | ||
32 | return unless $name =~ /^\w+$/; | |
33 | no strict 'refs'; | |
34 | my $pkg = __PACKAGE__ . "::${type}::${name}"; | |
35 | eval "require $pkg" or get_logger->warn("Error while requiring $pkg: $@"); | |
36 | $pkg->can($sub); | |
37 | } | |
38 | ||
39 | sub safe_can { | |
40 | my ($type, $sub, $name) = @_; | |
41 | ||
42 | safe_can_nodie @_ or get_logger->logdie("No such \l$type: '$name'"); | |
43 | } | |
44 | ||
45 | sub prepare{ | |
46 | my ($name, $format) = @_; | |
47 | my $basename = fileparse $name, qr/\.[^.]*/; | |
48 | get_logger->trace("Preparing file $name..."); | |
49 | ||
50 | open my $devnull, devnull; | |
51 | open my $errors, '>>compile-error'; | |
52 | my $ret = open3 $devnull, $errors, undef, 'gruntmaster-compile', $format => $basename, $name; | |
53 | waitpid $ret, 0; | |
54 | close $devnull; | |
55 | close $errors; | |
56 | die 'Compile error' if $? | |
57 | } | |
58 | ||
59 | sub prepare_files{ | |
60 | my $meta = shift; | |
61 | ||
62 | for my $file (values $meta->{files}) { | |
63 | my ($format, $name, $content) = @{$file}{qw/format name content/}; | |
64 | ||
65 | $file->{run} = mkrun($format); | |
66 | write_file $name, $content; | |
67 | prepare $name, $format; | |
68 | } | |
69 | } | |
70 | ||
71 | sub process{ | |
72 | my $job = shift; | |
73 | ||
74 | my @results; | |
75 | my @full_results = (); | |
76 | my $meta = {}; | |
77 | try { | |
78 | $meta = job_inmeta $job; | |
79 | if (job_problem $job) { | |
80 | my $pbmeta = problem_meta job_problem $job; | |
81 | my %files = %{$meta->{files}}; | |
82 | $meta = {%$meta, %$pbmeta}; | |
83 | $meta->{files} = {%files, %{$pbmeta->{files}}} if exists $pbmeta->{files}; | |
84 | } | |
85 | ||
86 | prepare_files $meta; | |
87 | say Dumper $meta; | |
88 | ||
89 | my ($files, $generator, $runner, $judge, $testcnt) = map { $meta->{$_} or die "Required parameter missing: $_"} qw/files generator runner judge testcnt/; | |
90 | ||
91 | $generator = safe_can Generator => generate => $generator; | |
92 | $runner = safe_can Runner => run => $runner; | |
93 | $judge = safe_can Judge => judge => $judge; | |
94 | ||
95 | for my $test (1 .. $testcnt) { | |
96 | my $start_time = time; | |
97 | my $result; | |
98 | try { | |
99 | $generator->($test, $meta); | |
100 | $result = $runner->($test, $meta); | |
101 | } catch { | |
102 | $result = $_; | |
103 | unless (ref $result) { | |
104 | chomp $result; | |
105 | $result = [ERR, $result]; | |
106 | } | |
107 | }; | |
108 | ||
109 | if (ref $result) { | |
110 | get_logger->trace("Test $test result is " . $result->[1]); | |
111 | push @full_results, {id => $test, result => $result->[0], result_text => $result->[1], time => time - $start_time} | |
112 | } else { | |
113 | get_logger->trace("Test $test result is $result"); | |
114 | push @full_results, {id => $test, result => 0, result_text => $result, time => time - $start_time} | |
115 | } | |
116 | push @results, $result; | |
117 | last if $meta->{judge} eq 'Absolute' && ref $result | |
118 | } | |
119 | ||
120 | my %results = $judge->(@results); | |
121 | $meta->{$_} = $results{$_} for keys %results; | |
122 | } catch { | |
123 | s,(.*) at .*,$1,; | |
124 | chomp; | |
125 | $meta->{result} = -1; | |
126 | $meta->{result_text} = $_; | |
127 | }; | |
128 | ||
129 | get_logger->info("Job result: " . $meta->{result_text}); | |
130 | set_job_result $job, $meta->{result}; | |
131 | set_job_result_text $job, $meta->{result_text}; | |
132 | set_job_results $job, \@full_results if scalar @full_results; | |
133 | ||
134 | my $log = $meta->{contest} ? "ct/$meta->{contest}/log" : 'log'; | |
135 | write_file "$log/src/$job." . Gruntmaster::Page::Log::FORMAT_EXTENSION->{$meta->{files}{prog}{format}}, $meta->{files}{prog}{content}; | |
136 | generate "$log/job/$job.html"; | |
137 | my $page = ($job + Gruntmaster::Page::Log::PAGE_SIZE - 1) / Gruntmaster::Page::Log::PAGE_SIZE; | |
138 | generate "$log/$page.html" | |
139 | } | |
140 | ||
141 | sub got_job{ | |
142 | my $job = shift; | |
143 | get_logger->debug("Taking job $job..."); | |
144 | if (set_job_daemon $job, hostname . ":$$") { | |
145 | get_logger->debug("Succesfully taken job $job"); | |
146 | process $job; | |
147 | get_logger->debug("Job $job done"); | |
148 | } else { | |
149 | get_logger->debug("Job $job already taken"); | |
150 | } | |
151 | } | |
152 | ||
153 | sub run{ | |
154 | Log::Log4perl->init('log.conf'); | |
155 | get_logger->info("gruntmasterd $VERSION started"); | |
156 | chdir tempdir 'gruntmasterd.XXXX', CLEANUP => 1, TMPDIR => 1; | |
157 | SUBSCRIBE jobs => \&got_job; | |
158 | WAIT_FOR_MESSAGES 86400 while 1 | |
159 | } | |
160 | ||
161 | 1; | |
162 | __END__ | |
163 | # Below is stub documentation for your module. You'd better edit it! | |
164 | ||
165 | =head1 NAME | |
166 | ||
167 | Gruntmaster::Daemon - Perl extension for blah blah blah | |
168 | ||
169 | =head1 SYNOPSIS | |
170 | ||
171 | use Gruntmaster::Daemon; | |
172 | blah blah blah | |
173 | ||
174 | =head1 DESCRIPTION | |
175 | ||
176 | Stub documentation for Gruntmaster::Daemon, created by h2xs. It looks like the | |
177 | author of the extension was negligent enough to leave the stub | |
178 | unedited. | |
179 | ||
180 | Blah blah blah. | |
181 | ||
182 | ||
183 | =head1 SEE ALSO | |
184 | ||
185 | Mention other useful documentation such as the documentation of | |
186 | related modules or operating system documentation (such as man pages | |
187 | in UNIX), or any relevant external documentation such as RFCs or | |
188 | standards. | |
189 | ||
190 | If you have a mailing list set up for your module, mention it here. | |
191 | ||
192 | If you have a web site set up for your module, mention it here. | |
193 | ||
194 | =head1 AUTHOR | |
195 | ||
196 | Marius Gavrilescu, E<lt>marius@E<gt> | |
197 | ||
198 | =head1 COPYRIGHT AND LICENSE | |
199 | ||
200 | Copyright (C) 2013 by Marius Gavrilescu | |
201 | ||
202 | This library is free software; you can redistribute it and/or modify | |
203 | it under the same terms as Perl itself, either Perl version 5.18.1 or, | |
204 | at your option, any later version of Perl 5 you may have available. | |
205 | ||
206 | ||
207 | =cut |