contrib/sendmail-8.13.4/contrib/socketmapClient.pl

   1 #!/usr/bin/perl -w
   2 #
   3 # Contributed by Bastiaan Bakker for SOCKETMAP
   4 # $Id: socketmapClient.pl,v 1.1 2003/05/21 15:36:33 ca Exp $
   5
   6 use strict;
   7 use IO::Socket;
   8
   9 die "usage: $0 <connection> <mapname> <key> [<key2> ...]" if (@ARGV < 3);
  10
  11 my $connection = shift @ARGV;
  12 my $mapname = shift @ARGV;
  13
  14 my $sock;
  15
  16 if ($connection =~ /tcp:(.+):([0-9]*)/) {
  17     $sock = new IO::Socket::INET (
  18                                   PeerAddr => $1,
  19                                   PeerPort => $2,
  20                                   Proto => 'tcp',
  21                                   );
  22 } elsif ($connection =~ /((unix)|(local)):(.+)/) {
  23     $sock = new IO::Socket::UNIX (
  24                                   Type => SOCK_STREAM,
  25                                   Peer => $4
  26                                   );
  27 } else {
  28     die "unrecognized connection specification $connection";
  29 }
  30
  31 die "Could not create socket: $!\n" unless $sock;
  32
  33 while(my $key = shift @ARGV) {
  34     my $request = "$mapname $key";
  35     netstringWrite($sock, $request);
  36     $sock->flush();
  37     my $response = netstringRead($sock);
  38
  39     print "$key => $response\n";
  40 }
  41
  42 $sock->close();
  43
  44 sub netstringWrite {
  45     my $sock = shift;
  46     my $data = shift;
  47
  48     print $sock length($data).':'.$data.',';
  49 }
  50
  51 sub netstringRead {
  52     my $sock = shift;
  53     my $saveSeparator = $/;
  54     $/ = ':';
  55     my $dataLength = <$sock>;
  56     die "cannot read netstring length" unless defined($dataLength);
  57     chomp $dataLength;
  58     my $data;
  59     if ($sock->read($data, $dataLength) == $dataLength) {
  60         ($sock->getc() eq ',') or die "data misses closing ,";
  61     } else {
  62         die "received only ".length($data)." of $dataLength bytes";
  63     }
  64
  65     $/ = $saveSeparator;
  66     return $data;
  67 }