Lines Matching refs:null
58 private DatagramSocket dss = null; // SLP multicast/broadcast socket.
59 private InetAddress interfac = null; // Interface on which we listen.
63 static private SLPConfig config = null; // Config object for properties
77 if (listeners.get(interfac) != null) {
84 if (config == null) {
116 if (listener != null) {
120 return null;
133 if (listener == null) {
170 if (listener == null) {
171 return config.refreshMulticastSocketOnInterface(interfac, null);