public SelectionKey registerForRead(final ReceiveChannelEndpoint transport) {
SelectionKey key = null;
try {
transports = ArrayUtil.add(transports, transport);
key = transport.receiveDatagramChannel().register(selector, SelectionKey.OP_READ, transport);
} catch (final ClosedChannelException ex) {
LangUtil.rethrowUnchecked(ex);
}
return key;
}
private int poll(final ReceiveChannelEndpoint channelEndpoint) {
int bytesReceived = 0;
final InetSocketAddress srcAddress = channelEndpoint.receive(byteBuffer);
if (null != srcAddress) {
final int length = byteBuffer.position();
if (channelEndpoint.isValidFrame(unsafeBuffer, length)) {
switch (frameType(unsafeBuffer, 0)) {
case HDR_TYPE_PAD:
case HDR_TYPE_DATA:
bytesReceived =
channelEndpoint.onDataPacket(dataMessage, unsafeBuffer, length, srcAddress);
break;
case HDR_TYPE_SETUP:
channelEndpoint.onSetupMessage(setupMessage, unsafeBuffer, srcAddress);
break;
}
}
}
return bytesReceived;
}
