private void handleRegisterSocket(RegisterSocketEvent e) {
log.debug(":handleRegisterSocket");
/* if the socket is already binded then something is
* wrong. Keep existing information.
*/
if (sock != null) {
reverseRegister(e, myAddress.getPort(), myAddress.getAddress(), true);
return;
}
// Checks if address given is a local address
if ((e.localHost != null) && !HostUtils.isLocalAddress(e.localHost)) {
reverseRegister(e, e.port, null, true);
return;
}
if (newSock(e.port, e.localHost, e.getChannel().getThreadFactory())) {
reverseRegister(e, myAddress.getPort(), myAddress.getAddress(), false);
} else {
reverseRegister(e, e.port, null, true);
}
}
private boolean newSock(int port, InetAddress addr, ThreadFactory threadFactory) {
if (addr == null) {
if (param_LOCAL_ADDRESS == null) addr = HostUtils.getLocalAddress();
else addr = param_LOCAL_ADDRESS;
}
if (port == RegisterSocketEvent.FIRST_AVAILABLE) {
/*first available port*/
try {
sock = new DatagramSocket(0, addr);
} catch (SocketException ex) {
ex.printStackTrace();
return false;
}
} else if (port == RegisterSocketEvent.RANDOMLY_AVAILABLE) {
/*chooses a random port*/
Random random = new Random();
boolean sucess = false;
/*verifies if the random port is a valid one*/
while (!sucess) {
port = Math.abs(random.nextInt() % Short.MAX_VALUE);
/* Open Socket with any port*/
try {
sock = new DatagramSocket(port, addr);
sucess = true;
} catch (IllegalArgumentException ex) {
} catch (SocketException se) {
}
}
} else {
/*Regular RegisterSocketEvent */
/* Open the specified socket (if possible) */
try {
sock = new DatagramSocket(port, addr);
}
/* Socket exception. Possibly the socket is already bound.
Return the event up to notify that the command could not
be issued.
*/
catch (SocketException se) {
return false;
} catch (IllegalArgumentException ex) {
return false;
}
}
// Determine local address
myAddress = new InetSocketAddress(sock.getLocalAddress(), sock.getLocalPort());
try {
sock.setSoTimeout(param_SOTIMEOUT);
} catch (SocketException e) {
System.err.println(
"Unable to set SoTimeout value on UdpSimpleSession. Using default OS value.");
e.printStackTrace();
}
/* The socket is binded. Launch reader*/
// FIXME
sockReader = new UdpSimpleReader(this, sock, myAddress);
Thread t = threadFactory.newThread(sockReader, "UdpSimpleReader [" + myAddress + "]");
sockReader.setParentThread(t);
t.start();
return true;
}