--- lib/PXElator/client.pm	2009/08/06 18:51:57	165
+++ lib/PXElator/client.pm	2009/08/06 21:31:10	168
@@ -6,6 +6,7 @@
 
 use server;
 use File::Slurp;
+use Net::Ping;
 
 sub conf {
 	my $ip  = shift;
@@ -48,4 +49,24 @@
 	return uc($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;
+
+}
+
 1;