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