/** reads in an rdp packet from the datagram channel - blocking call */
static RDPPacket receivePacket(DatagramChannel dc) throws ClosedChannelException {
try {
if (dc == null) {
throw new MVRuntimeException("RDPServer.receivePacket: datagramChannel is null");
}
// get a packet from the reader
staticMVBuff.rewind();
InetSocketAddress addr = (InetSocketAddress) dc.receive(staticMVBuff.getNioBuf());
if (addr == null) {
return null;
}
RDPPacket packet = new RDPPacket();
packet.setPort(addr.getPort());
packet.setInetAddress(addr.getAddress());
packet.parse(staticMVBuff);
return packet;
} catch (ClosedChannelException ex) {
throw ex;
} catch (Exception e) {
throw new MVRuntimeException("error", e);
}
}
