/**
* Initializes this network address manager service implementation and starts all
* processes/threads associated with this address manager, such as a stun firewall/nat detector,
* keep alive threads, binding lifetime discovery threads and etc. The method may also be used
* after a call to stop() as a reinitialization technique.
*/
public void start() {
// init stun
String stunAddressStr = null;
int port = -1;
stunAddressStr = NetaddrActivator.getConfigurationService().getString(PROP_STUN_SERVER_ADDRESS);
String portStr = NetaddrActivator.getConfigurationService().getString(PROP_STUN_SERVER_PORT);
this.localHostFinderSocket = initRandomPortSocket();
if (stunAddressStr == null || portStr == null) {
useStun = false;
// we use the default stun server address only for chosing a public
// route and not for stun queries.
stunServerAddress = new StunAddress(DEFAULT_STUN_SERVER_ADDRESS, DEFAULT_STUN_SERVER_PORT);
logger.info(
"Stun server address("
+ stunAddressStr
+ ")/port("
+ portStr
+ ") not set (or invalid). Disabling STUN.");
} else {
try {
port = Integer.valueOf(portStr).intValue();
} catch (NumberFormatException ex) {
logger.error(portStr + " is not a valid port number. " + "Defaulting to 3478", ex);
port = 3478;
}
stunServerAddress = new StunAddress(stunAddressStr, port);
detector = new SimpleAddressDetector(stunServerAddress);
if (logger.isDebugEnabled()) {
logger.debug(
"Created a STUN Address detector for the following "
+ "STUN server: "
+ stunAddressStr
+ ":"
+ port);
}
detector.start();
logger.debug("STUN server detector started;");
// make sure that someone doesn't set invalid stun address and port
NetaddrActivator.getConfigurationService()
.addVetoableChangeListener(PROP_STUN_SERVER_ADDRESS, this);
NetaddrActivator.getConfigurationService()
.addVetoableChangeListener(PROP_STUN_SERVER_PORT, this);
// now start a thread query to the stun server and only set the
// useStun flag to true if it succeeds.
launchStunServerTest();
}
}
