/**
* Sends the object over the network using UDP.
*
* @return The number of bytes sent.
* @see Kryo#register(Class, com.esotericsoftware.kryo.Serializer)
* @throws IllegalStateException if this connection was not opened with both TCP and UDP.
*/
public int sendUDP(Object object) {
if (object == null) throw new IllegalArgumentException("object cannot be null.");
SocketAddress address = udpRemoteAddress;
if (address == null && udp != null) address = udp.connectedAddress;
if (address == null && isConnected)
throw new IllegalStateException("Connection is not connected via UDP.");
try {
if (address == null) throw new SocketException("Connection is closed.");
int length = udp.send(this, object, address);
if (length == 0) {
if (TRACE) trace("kryonet", this + " UDP had nothing to send.");
} else if (DEBUG) {
if (length != -1) {
String objectString = object == null ? "null" : object.getClass().getSimpleName();
if (!(object instanceof FrameworkMessage)) {
debug("kryonet", this + " sent UDP: " + objectString + " (" + length + ")");
} else if (TRACE) {
trace("kryonet", this + " sent UDP: " + objectString + " (" + length + ")");
}
} else debug("kryonet", this + " was unable to send, UDP socket buffer full.");
}
return length;
} catch (IOException ex) {
if (DEBUG) debug("kryonet", "Unable to send UDP with connection: " + this, ex);
close();
return 0;
} catch (KryoNetException ex) {
if (ERROR) error("kryonet", "Unable to send UDP with connection: " + this, ex);
close();
return 0;
}
}
