if (minSize <= sendBufferSize) {
            RdmaMemoryRegion region = availableSendRegions.poll();
            if (region != null) {
                region.getBuffer().clear();
                return region;
            }
        }

        // Allocate new buffer
        ByteBuffer buffer = ByteBuffer.allocateDirect(Math.max(minSize, sendBufferSize));

  @Throws(SocketException::class)
  override fun getReceiveBufferSize(): Int = delegate!!.receiveBufferSize

  @Throws(SocketException::class)
  override fun getSendBufferSize(): Int = delegate!!.sendBufferSize

  @Throws(SocketException::class)
  override fun getSoTimeout(): Int = delegate!!.soTimeout

  @Throws(SocketException::class)
  override fun getTcpNoDelay(): Boolean = delegate!!.tcpNoDelay