/[pxelator]/lib/PXElator/server.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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Annotation of /lib/PXElator/server.pm

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Revision 393 - (hide annotations)
Tue Sep 8 16:54:35 2009 UTC (14 years, 6 months ago) by dpavlin
File size: 1842 byte(s)
first step towards configurable server (broken in it's current state)

- move configuration into tied variables using server::tie
- rename server::domain_name into server::domain

1 dpavlin 42 package server;
2    
3 dpavlin 67 use warnings;
4     use strict;
5    
6 dpavlin 393 our $base_dir = '/srv/pxelator';
7 dpavlin 118
8 dpavlin 393 tie our $ip, 'server::tie', 'ip' => '172.16.10.1';
9     tie our $netmask, 'server::tie', 'natmask' => '255.255.255.0';
10     tie our $bcast, 'server::tie', 'bcast' => '172.16.10.254';
11     tie our $ip_from, 'server::tie', 'ip_from' => 10;
12     tie our $ip_to, 'server::tie', 'ip_to' => 100;
13     tie our $domain, 'server::tie', 'domain' => 'pxelator.lan';
14 dpavlin 42
15 dpavlin 393 warn "DEV $ip $bcast $netmask";
16 dpavlin 179
17 dpavlin 156 our $conf = "$base_dir/conf/$ip";
18 dpavlin 198 mkdir $conf unless -e $conf;
19 dpavlin 156
20 dpavlin 393 sub conf {
21     warn "## conf $conf";
22     $conf;
23     }
24    
25 dpavlin 138 use Module::Refresh qw//;
26 dpavlin 264 sub refresh {
27     Module::Refresh->refresh;
28     my $from = (caller(1))[3];
29     $from =~ s{^(\w+)::.+$}{$1};
30     my $eval = '$' . $from . '::debug = server::debug();';
31     warn "refresh $eval\n";
32     eval $eval;
33     warn $@ if $@;
34     };
35 dpavlin 74
36 dpavlin 156 mkdir $_ foreach grep { ! -d $_ } map { "$conf/$_" } ( 'ip', 'mac' );
37    
38 dpavlin 138 use File::Slurp;
39     sub shared {
40     my ($name, $value) = @_;
41 dpavlin 67
42 dpavlin 156 my $path ="$conf/$name";
43 dpavlin 138 if ( defined $value ) {
44     write_file $path, $value;
45 dpavlin 153 warn "update $path = $value";
46 dpavlin 138 } else {
47     $value = read_file $path if -e $path;
48     }
49     return $value;
50     }
51    
52 dpavlin 270 sub conf_default { shared($_[0]) || $_[1] }
53    
54 dpavlin 138 sub debug { shared('debug', @_) || 0 }
55    
56 dpavlin 45 warn "loaded";
57 dpavlin 134
58 dpavlin 393
59     package server::tie;
60    
61     use File::Slurp;
62     use Data::Dump qw/dump/;
63    
64     use server;
65    
66     sub TIESCALAR {
67     warn dump @_;
68     my ($class,$name,$default) = @_;
69    
70     my $path = $server::base_dir;
71     if ( $name eq 'ip' ) {
72     $path .= '/conf/' . $ip;
73     } else {
74     $path .= '/conf/' . $server::ip;
75     }
76    
77     my $o = {
78     path => "$path/$name",
79     };
80     write_file $o->{path}, $default unless -f $o->{path};
81    
82     warn "TIESCALAR $name ", $o->{path}, " [$default]";
83    
84     bless \$o,$class;
85     }
86    
87     sub STORE {
88     warn dump @_;
89     my ( $self, $value ) = @_;
90     write_file $$self->{path}, $value;
91     }
92    
93     sub FETCH {
94     warn dump @_;
95     my $self = shift;
96     read_file $$self->{path};
97     }
98    
99     3;

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