protected synchronized Message receiveMessage() throws IOException {
if (messageBuffer.size() > 0) {
Message m = (Message) messageBuffer.get(0);
messageBuffer.remove(0);
return m;
}
try {
InetSocketAddress remoteAddress = (InetSocketAddress) channel.receive(receiveBuffer);
if (remoteAddress != null) {
int len = receiveBuffer.position();
receiveBuffer.rewind();
receiveBuffer.get(buf, 0, len);
try {
IP address = IP.fromInetAddress(remoteAddress.getAddress());
int port = remoteAddress.getPort();
extractor.appendData(buf, 0, len, new SocketDescriptor(address, port));
receiveBuffer.clear();
extractor.updateAvailableMessages();
return extractor.nextMessage();
} catch (EOFException exc) {
exc.printStackTrace();
System.err.println(buf.length + ", " + len);
} catch (InvocationTargetException exc) {
exc.printStackTrace();
} catch (IllegalAccessException exc) {
exc.printStackTrace();
} catch (InstantiationException exc) {
exc.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InvalidCompressionMethodException e) {
e.printStackTrace();
}
}
} catch (ClosedChannelException exc) {
if (isKeepAlive()) {
throw exc;
}
}
return null;
}
public UDPMessageServer(InetSocketAddress address) throws IOException {
this(IP.fromInetAddress(address.getAddress()), address.getPort());
}
