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#!/usr/bin/perl
##
# Simple UDP Server/Client to display messages in VDR
#
# 22.02.2004 by Thomas Koch <tom at linvdr dot org>
##
use IO::Socket;
use IO::Socket::INET 1.26;
use strict;
my $myself = join("", $0 =~ /^.*\/(.*)/);
# Server
if($myself eq "udpd.pl") {
my $pid = fork();
if($pid != 0) {
exit(0);
}
my($Socket) = IO::Socket::INET->new(
Proto => 'udp',
LocalPort => 4711,
Reuse => 1
) || die;
my $message;
while($Socket->recv($message, 1024)) {
my($port, $ipaddr) = sockaddr_in($Socket->peername);
my $hishost = gethostbyaddr($ipaddr, AF_INET);
system("logger udpd: client $hishost with message \\'$message\\'");
for(my $z = 0; $z < 3; $z++) {
for(my $i = 0; $i < 3; $i++) {
system("svdrpsend.pl mesg $message 2>/dev/null >/dev/null");
}
sleep(3);
}
}
exit(0);
}
# Client
if($myself eq "udpc.pl") {
my $message = join(" ", @ARGV);
my $Socket = IO::Socket::INET->new(
PeerAddr => inet_ntoa(INADDR_BROADCAST),
PeerPort => 4711,
Proto => 'udp',
Broadcast => 1
) || die;
my $result = $Socket->send($message);
}
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