package server;
-our $ip = '172.16.10.1';
+use warnings;
+use strict;
+our $base_dir = '/srv/pxelator';
+
+tie our $ip, 'server::tie', 'server_ip' => '172.16.10.1';
+tie our $netmask, 'server::tie', 'natmask' => '255.255.255.0';
+tie our $bcast, 'server::tie', 'bcast' => '172.16.10.254';
+tie our $ip_from, 'server::tie', 'ip_from' => 10;
+tie our $ip_to, 'server::tie', 'ip_to' => 100;
+tie our $domain, 'server::tie', 'domain' => 'pxelator.lan';
+tie our $new_clients, 'server::tie', 'new_clients' => $ip_to - $ip_from;
+
+warn "DEV $ip $bcast $netmask";
+
+our $conf = "$base_dir/conf";
+mkdir $conf unless -e $conf;
+
+sub conf {
+ warn "## conf $conf";
+ $conf;
+}
+
+use Module::Refresh qw//;
+sub refresh {
+ Module::Refresh->refresh;
+ my $from = (caller(1))[3];
+ $from =~ s{^(\w+)::.+$}{$1};
+ my $eval = '$' . $from . '::debug = server::debug();';
+ warn "refresh $eval\n";
+ eval $eval;
+ warn $@ if $@;
+};
+
+mkdir $_ foreach grep { ! -d $_ } map { "$conf/$_" } ( 'ip', 'mac' );
+
+use File::Slurp;
+sub shared {
+ my ($name, $value) = @_;
+
+ my $path ="$conf/$name";
+ if ( defined $value ) {
+ write_file $path, $value;
+ warn "update $path = $value";
+ } else {
+ $value = read_file $path if -e $path;
+ }
+ return $value;
+}
+
+sub conf_default { shared($_[0]) || $_[1] }
+
+sub debug { shared('debug', @_) || 0 }
+
+warn "loaded";
+
+
+package server::tie;
+
+use File::Slurp;
+use Data::Dump qw/dump/;
+
+use server;
+
+sub TIESCALAR {
+ warn dump @_;
+ my ($class,$name,$default) = @_;
+
+ my $path = $server::base_dir . '/conf/' . $name;
+
+ my $o = {
+ path => $path,
+ };
+ write_file $o->{path}, $default unless -f $o->{path};
+
+warn "TIESCALAR $name ", $o->{path}, " [$default]";
+
+ bless \$o,$class;
+}
+
+sub STORE {
+ warn dump @_;
+ my ( $self, $value ) = @_;
+ write_file $$self->{path}, $value;
+}
+
+sub FETCH {
+ warn dump @_;
+ my $self = shift;
+ read_file $$self->{path};
+}
+
+3;