/[pxelator]/lib/PXElator/dhcpd.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 167 by dpavlin, Thu Aug 6 20:14:43 2009 UTC revision 177 by dpavlin, Fri Aug 7 14:08:21 2009 UTC
# Line 18  use autodie; Line 18  use autodie;
18  use IO::Socket::INET;  use IO::Socket::INET;
19  use File::Slurp;  use File::Slurp;
20  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
 use Net::Ping;  
21    
22  use lib '..';  use lib '..';
23  use Net::DHCP::Packet;  use Net::DHCP::Packet;
# Line 35  if ( ! $server::ip ) { Line 34  if ( ! $server::ip ) {
34    
35  warn "server ip $server::ip range: $server::ip_from - $server::ip_to\n";  warn "server ip $server::ip range: $server::ip_from - $server::ip_to\n";
36    
37  my $addr = $server::ip_from;  use client;
38    
39  sub client_ip {  sub client_ip {
40          my ( $mac ) = @_;          my ( $mac ) = @_;
# Line 43  sub client_ip { Line 42  sub client_ip {
42          my $conf = $server::conf;          my $conf = $server::conf;
43          mkdir $conf unless -e $conf;          mkdir $conf unless -e $conf;
44    
45            my $ip;
46    
47          if ( -e "$conf/mac/$mac" ) {          if ( -e "$conf/mac/$mac" ) {
48                  my $ip = read_file "$conf/mac/$mac";                  $ip = read_file "$conf/mac/$mac";
49                  print "RENEW $mac $ip\n";                  print "RENEW $mac $ip\n";
50                  return $ip;                  return $ip;
51            } else {
52                    $ip = client::next_ip;
53                    print "NEW $mac $ip\n";
54                    write_file "$conf/mac/$mac", $ip;
55          }          }
56    
         my $p = Net::Ping->new;  
   
         my $prefix = $server::ip;  
         $prefix =~ s{\.\d+$}{.};  
         my $ip = $prefix . $addr;  
   
         while ( -e "$conf/ip/$ip" || $p->ping( $ip ) ) {  
                 $ip = $prefix . $addr++;  
                 die "all addresses allocated!" if $addr == $server::ip_to;  
         }  
   
         write_file "$conf/mac/$mac", $ip;  
   
57          my $ip_path = "$conf/ip/$ip";          my $ip_path = "$conf/ip/$ip";
58          mkdir $ip_path unless -e $ip_path;          mkdir $ip_path unless -e $ip_path;
59    
# Line 69  sub client_ip { Line 61  sub client_ip {
61                  warn "$mac IP changed from ", readlink "$ip_path/mac", " to $ip";                  warn "$mac IP changed from ", readlink "$ip_path/mac", " to $ip";
62                  unlink "$ip_path/mac";                  unlink "$ip_path/mac";
63          };          };
         symlink "$conf/mac/$mac", "$ip_path/mac";  
64    
65          print "$mac NEW $ip\n";          symlink "$conf/mac/$mac", "$ip_path/mac";
66    
67          return $ip;          return $ip;
68  }  }
# Line 156  sub process_packet { Line 147  sub process_packet {
147                  }                  }
148          }          }
149    
150          warn "W: options requested but missing: ",dump( @missing );          warn "W: options requested but missing: ",dump( @missing ),$/;
151    
152          foreach my $opt ( 'magic', 'config_file', 'path_prefix', 'reboot_time' ) {          foreach my $opt ( 'magic', 'config_file', 'path_prefix', 'reboot_time' ) {
153                  my $DH0 = eval 'DHO_PXELINUX_' . uc $opt;                  my $DH0 = eval 'DHO_PXELINUX_' . uc $opt;
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