scripts/AnnounceCache.pl

   1 #!/usr/local/bin/perl
   2 #
   3 ## Copyright (C) 1996-2016 The Squid Software Foundation and contributors
   4 ##
   5 ## Squid software is distributed under GPLv2+ license and includes
   6 ## contributions from numerous individuals and organizations.
   7 ## Please see the COPYING and CONTRIBUTORS files for details.
   8 ##
   9
  10 $|=1;
  11
  12 $host = (shift || 'sd.cache.nlanr.net');
  13 $port = (shift || '3131');
  14
  15 require "$ENV{'HARVEST_HOME'}/lib/socket.ph";
  16
  17 $sockaddr = 'S n a4 x8';
  18 ($name, $aliases, $proto) = getprotobyname("udp");
  19 ($fqdn, $aliases, $type, $len, $themaddr) = gethostbyname($host);
  20 $thissock = pack($sockaddr, &AF_INET, 0, "\0\0\0\0");
  21 $them = pack($sockaddr, &AF_INET, $port, $themaddr);
  22
  23 chop($me=`uname -a|cut -f2 -d' '`);
  24 $myip=(gethostbyname($me))[4];
  25
  26 die "socket: $!\n" unless
  27         socket (SOCK, &AF_INET, &SOCK_DGRAM, $proto);
  28
  29 while (<>) {
  30         chop;
  31         $request_template = 'CCnx4x8x4a4a' . length;
  32         $request = pack($request_template, 1, 1, 24 + length, $myip, $_);
  33         die "send: $!\n" unless
  34                 send(SOCK, $request, 0, $them);
  35         die "recv: $!\n" unless
  36                 recv(SOCK, $reply, 1024, 0);
  37         ($type,$ver,$len,$payload) = unpack('CCnx4x8x4A', $reply);
  38         print $CODES[$type] . " $_\n";
  39 }
  40