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1 | package Gruntmaster::Daemon::Format; | |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | use parent qw/Exporter/; | |
7 | no if $] > 5.017011, warnings => 'experimental::smartmatch'; | |
8 | ||
9 | use POSIX qw//; | |
10 | use File::Basename qw/fileparse/; | |
11 | use File::Slurp qw/write_file/; | |
12 | use Gruntmaster::Daemon::Constants qw/TLE OLE DIED NZX/; | |
13 | use Time::HiRes qw/alarm/; | |
14 | use List::MoreUtils qw/natatime/; | |
15 | use Log::Log4perl qw/get_logger/; | |
16 | use IPC::Signal qw/sig_name sig_num/; | |
17 | ||
18 | our $VERSION = "5999.000_002"; | |
19 | our @EXPORT_OK = qw/prepare_files/; | |
20 | ||
21 | ################################################## | |
22 | ||
23 | sub command_and_args{ | |
24 | my ($format, $basename) = @_; | |
25 | ||
26 | given($format) { | |
27 | "./$basename" when [qw/C CPP PASCAL/]; | |
28 | "./$basename.exe" when 'MONO'; | |
29 | java => $basename when 'JAVA'; | |
30 | perl => $basename when 'PERL'; | |
31 | python => $basename when 'PYTHON'; | |
32 | default { die "Don't know how to execute format $format" } | |
33 | } | |
34 | } | |
35 | ||
36 | sub mkrun{ | |
37 | my $format = shift; | |
38 | sub{ | |
39 | my ($name, %args) = @_; | |
40 | my $basename = fileparse $name, qr/\.[^.]*/; | |
41 | my $ret = fork // die 'Cannot fork'; | |
42 | if ($ret) { | |
43 | my $tle; | |
44 | local $SIG{ALRM} = sub { kill KILL => $ret; $tle = 1}; | |
45 | alarm $args{timeout} if exists $args{timeout}; | |
46 | wait; | |
47 | alarm 0; | |
48 | my $sig = $? & 127; | |
49 | my $signame = sig_name $sig; | |
50 | die [TLE, "Time Limit Exceeded"] if $tle; | |
51 | die [OLE, 'Output Limit Exceeded'] if $sig && $signame eq 'XFSZ'; | |
52 | die [DIED, "Crash (SIG$signame)"] if $sig; | |
53 | die [NZX, "Non-zero exit status: " . ($? >> 8)] if $?; | |
54 | } else { | |
55 | my @fds = exists $args{fds} ? @{$args{fds}} : (); | |
56 | $^F = 50; | |
57 | POSIX::close $_ for 0 .. $^F; | |
58 | my $it = natatime 2, @fds; | |
59 | while (my ($fd, $file) = $it->()) { | |
60 | open my $fh, $file or die $!; | |
61 | my $oldfd = fileno $fh; | |
62 | if ($oldfd != $fd) { | |
63 | POSIX::dup2 $oldfd, $fd or die $!; | |
64 | POSIX::close $oldfd or die $!; | |
65 | } | |
66 | } | |
67 | exec 'gruntmaster-exec', $args{mlimit} // 0, $args{olimit} // 0, command_and_args($format, $basename), exists $args{args} ? @{$args{args}} : (); | |
68 | exit 42 | |
69 | } | |
70 | } | |
71 | } | |
72 | ||
73 | sub prepare{ | |
74 | my ($name, $format) = @_; | |
75 | get_logger->trace("Preparing file $name..."); | |
76 | ||
77 | $Gruntmaster::Daemon::errors .= `gruntmaster-compile $format $name 2>&1`; | |
78 | $Gruntmaster::Daemon::errors .= "\n"; | |
79 | die 'Compile error' if $? | |
80 | } | |
81 | ||
82 | sub prepare_files{ | |
83 | my $meta = shift; | |
84 | ||
85 | for my $file (values $meta->{files}) { | |
86 | my ($format, $name, $content) = @{$file}{qw/format name content/}; | |
87 | ||
88 | $file->{run} = mkrun($format); | |
89 | write_file $name, $content; | |
90 | prepare $name, $format; | |
91 | } | |
92 | } | |
93 | ||
94 | 1; | |
95 | __END__ | |
96 | ||
97 | =encoding utf-8 | |
98 | ||
99 | =head1 NAME | |
100 | ||
101 | Gruntmaster::Daemon::Format - Utility functions for handling source files | |
102 | ||
103 | =head1 SYNOPSIS | |
104 | ||
105 | use Gruntmaster::Daemon::Format qw/prepare_files/; | |
106 | prepare_files { files => { | |
107 | prog => { | |
108 | name => 'prog.pl', | |
109 | format => 'PERL', | |
110 | content => 'print "Hello, world!"' | |
111 | }, | |
112 | ver => { | |
113 | name => 'ver.cpp', | |
114 | format => 'CPP', | |
115 | content => ... | |
116 | }, | |
117 | }}; | |
118 | ||
119 | =head1 DESCRIPTION | |
120 | ||
121 | Gruntmaster::Daemon::Format exports utility functions for handling source files. | |
122 | ||
123 | =over | |
124 | ||
125 | =item B<prepare_files> I<$meta> | |
126 | ||
127 | Compiles all the source files in C<< $meta->{files} >>. | |
128 | ||
129 | =back | |
130 | ||
131 | =head1 AUTHOR | |
132 | ||
133 | Marius Gavrilescu E<lt>marius@ieval.roE<gt> | |
134 | ||
135 | =head1 COPYRIGHT AND LICENSE | |
136 | ||
137 | Copyright (C) 2014 by Marius Gavrilescu | |
138 | ||
139 | This library is free software: you can redistribute it and/or modify | |
140 | it under the terms of the GNU Affero General Public License as published by | |
141 | the Free Software Foundation, either version 3 of the License, or | |
142 | (at your option) any later version. | |
143 | ||
144 | ||
145 | =cut |