| 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 |