/** * Publish local node configuration via multicast * * @param serviceName name of service to be published. (e.g. release version for installation) * instanceName name of instance which is publishing. (e.g. the local node id etc.) nodeConfig * info to be published publishTime how long the info would be published */ public void publish( String serviceName, String instanceName, Map<String, String> values, long publishTime) throws IOException { ServiceInfo info = ServiceInfo.create("_" + serviceName + "._tcp.local.", instanceName, 9999, 0, 0, values); this.jmdns.registerService(info); if (publishTime > 0) { sleep(publishTime); this.close(); } }