clonezilla 3.21.13-1 / usr / bin / ocs-socket

#!/usr/bin/perl
# Author: Steven Shiau <steven _at_ nchc org tw>
# License: GPL
# Description: Send s message to other machine via socket.
# Ref:http://www.perlfect.com/articles/sockets.shtml

use IO::Socket;

$usage="Usage: $0 [-h|--host HOSTNAME] [-p|--port PORT_NO] [-m|--message MSG]";
sub usage_details{
  die "$usage\n".
  "-h, --host HOST     Assign the destination machine as HOST. You can assign FQDN or IP address. No default value\n".
  "-p, --port NO       Assign the port number NO. No default value\n".
  "-m, --message MSG   Specify the message you want to send as MSG. No default value\n".
  ";"
} # end of usage_details
die "$usage\n" if $#ARGV<0;
while ( $_ = shift ) {
  if (/-p$|--port$/) { 
    $port = shift;
  }elsif(/-h$|--host$/) {
    $host = shift;
  }elsif(/-m$|--message$/) {
    $message = shift;
  }elsif(/--help$/) {
    usage_details();
  }
}
die "$usage\n" if ! $host;
die "$usage\n" if ! $port;
die "$usage\n" if ! $message;

my $socket = new IO::Socket::INET (
                                  PeerAddr => "$host",
                                  PeerPort => "$port",
                                  Proto => 'tcp',
                                 );
die "Could not create socket to $host:$port!\n" unless $socket;
print $socket "$message\n";
close($socket);