/[pxelator]/lib/PXElator/wol.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Annotation of /lib/PXElator/wol.pm

Parent Directory Parent Directory | Revision Log Revision Log


Revision 297 - (hide annotations)
Wed Aug 26 12:43:47 2009 UTC (14 years, 8 months ago) by dpavlin
File size: 743 byte(s)
send wake-on-lan packet to network broadcast address
because machines which are off won't respond to arp
requests if we try to send to their's IP address directly

1 dpavlin 295 package wol;
2    
3     use warnings;
4     use strict;
5    
6     use IO::Socket::INET;
7 dpavlin 296 use Regexp::Common qw/net/;
8 dpavlin 295
9 dpavlin 296 use client;
10 dpavlin 297 use server;
11 dpavlin 296
12 dpavlin 295 sub power_on {
13 dpavlin 296 my $target = shift;
14 dpavlin 295
15 dpavlin 297 my ( $port, $mac ) = ( 9 );
16 dpavlin 295
17 dpavlin 296 if ( $target =~ m/$RE{net}{MAC}{-keep}/ ) {
18     $mac = $1;
19     } elsif ( $target =~ m/$RE{net}{IPv4}{-keep}/ ) {
20     $mac = client::mac_from_ip $1;
21     } else {
22     die "$target isn't IP or MAC";
23     }
24    
25 dpavlin 297 warn "# power_on $mac";
26 dpavlin 296
27 dpavlin 295 my $sock = IO::Socket::INET->new( Proto=>'udp' );
28 dpavlin 297 my $ip_addr = inet_aton($server::bcast);
29 dpavlin 295 my $sock_addr = sockaddr_in($port, $ip_addr);
30     $mac =~ s{:}{}g;
31    
32     my $packet = pack('C6H*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, $mac x 16);
33    
34     setsockopt($sock, SOL_SOCKET, SO_BROADCAST, 1);
35     send($sock, $packet, 0, $sock_addr);
36     close ($sock);
37     }
38    
39     1;

  ViewVC Help
Powered by ViewVC 1.1.26