SocketUDT socket = new SocketUDT(type);
ByteBuffer byteBuffer = ByteBuffer.allocateDirect(1024);
log.info("byteBuffer.isDirect={}", byteBuffer.isDirect());
socket.testDirectByteBufferAccess0(byteBuffer);
for (int k = 0; k < 3; k++) {
byte byteValue = byteBuffer.get(k);
log.info("k={} byteBuffer[k]={}", k, (char) byteValue);
}