pbot/modules/compiler_block.pl

#!/usr/bin/perl

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# compiler_client.pl connects to compiler_server.pl hosted at PeerAddr/PeerPort below
# and sends a nick, language and code, then retreives and prints the compilation/execution output.
#
# this way we can run the compiler virtual machine on any remote server.

use warnings;
use strict;

use IO::Socket::INET;
use JSON;

my $sock = IO::Socket::INET->new(
  PeerAddr => '192.168.0.42',
  PeerPort => 9000,
  Proto => 'tcp');

if (not defined $sock) {
  print "Fatal error compiling: $!; try again later\n";
  die $!;
}

my $json = join ' ', @ARGV;
my $h = decode_json $json;

$h->{code} =~ s/\s*}\s*$//;

my $lang = $h->{lang} // "c11";
if ($code =~ s/-lang=([^ ]+)//) {
  $lang = lc $1;
}

$h->{lang} = $lang;
$json = encode_json $h;

print $sock "$json\n";

while (my $line = <$sock>) {
  print "$line";
}

close $sock;