public DNSMultiCast(Jenkins hudson) {
if (disabled) return; // escape hatch
try {
this.jmdns = JmDNS.create();
Map<String, String> props = new HashMap<String, String>();
String rootURL = hudson.getRootUrl();
if (rootURL != null) props.put("url", rootURL);
try {
props.put("version", String.valueOf(Jenkins.getVersion()));
} catch (IllegalArgumentException e) {
// failed to parse the version number
}
TcpSlaveAgentListener tal = hudson.getTcpSlaveAgentListener();
if (tal != null) props.put("slave-port", String.valueOf(tal.getPort()));
props.put("server-id", Util.getDigestOf(hudson.getSecretKey()));
URL jenkins_url = new URL(rootURL);
int jenkins_port = jenkins_url.getPort();
if (jenkins_port == -1) {
jenkins_port = 80;
}
if (jenkins_url.getPath().length() > 0) {
props.put("path", jenkins_url.getPath());
}
jmdns.registerService(
ServiceInfo.create(
"_hudson._tcp.local.",
"hudson",
jenkins_port,
0,
0,
props)); // for backward compatibility
jmdns.registerService(
ServiceInfo.create("_jenkins._tcp.local.", "jenkins", jenkins_port, 0, 0, props));
// Make Jenkins appear in Safari's Bonjour bookmarks
jmdns.registerService(
ServiceInfo.create("_http._tcp.local.", "Jenkins", jenkins_port, 0, 0, props));
} catch (IOException e) {
LOGGER.log(Level.WARNING, "Failed to advertise the service to DNS multi-cast", e);
}
}
