--- lib/PXElator/client.pm	2009/08/06 18:43:55	164
+++ lib/PXElator/client.pm	2009/08/10 17:30:01	194
@@ -6,6 +6,7 @@
 
 use server;
 use File::Slurp;
+use Net::Ping;
 
 sub conf {
 	my $ip  = shift;
@@ -39,4 +40,61 @@
 	return $value;
 }
 
+sub mac {
+	my ( $ip, $op ) = @_;
+	$op ||= 'html';
+	my $mac = client::conf( $ip, 'mac' );
+	return '' unless $mac;
+	$mac =~ s{(..)}{$1:}g;
+	$mac =~ s{:$}{};
+	$mac = qq|<tt>$mac</tt>| if (caller(1))[3] =~ m{^httpd} && $op ne 'clean';
+	return uc($mac);
+}
+
+sub next_ip {
+
+	my $p = Net::Ping->new;
+
+	my $prefix = $server::ip;
+	$prefix =~ s{\.\d+$}{.};
+	my $addr = $server::ip_from || die;
+	my $ip = $prefix . $addr;
+
+	while ( -e "$server::conf/ip/$ip" || $p->ping( $ip, 0.7 ) ) {
+		$ip = $prefix . $addr++;
+		die "all addresses allocated!" if $addr == $server::ip_to;
+		warn "skip $ip\n";
+	}
+
+	warn "next_ip $ip\n";
+	return $ip;
+
+}
+
+sub ip_from_mac {
+	my $mac = shift;
+
+	$mac = lc $mac;
+	$mac =~ s{:}{}g;
+
+	my $mac_path = "$server::conf/mac/$mac";
+	return unless -e $mac_path;
+
+	my $ip;
+
+	if ( -f $mac_path ) {
+		$ip = read_file $mac_path;
+		unlink $mac_path;
+		symlink "$server::conf/ip/$ip", $mac_path;
+		warn "I: upgrade to mac symlink $mac_path\n";
+	} elsif ( -l $mac_path ) {
+		$ip = readlink $mac_path;
+		$ip =~ s{^.+/([^/]+)$}{$1};
+	} else {
+		die "$mac_path not file or symlink";
+	}
+
+	return $ip;
+}
+
 1;