host: String,
    type: Int,
  ): ByteString =
    Buffer()
      .apply {
        writeShort(0) // query id
        writeShort(256) // flags with recursion
        writeShort(1) // question count
        writeShort(0) // answerCount
        writeShort(0) // authorityResourceCount
        writeShort(0) // additional

        val nameBuf = Buffer()
        val labels = host.split('.').dropLastWhile { it.isEmpty() }

        ByteBuffer buffer = ByteBuffer.allocateDirect(1024);
        EnumSet<RdmaAccess> access = EnumSet.of(RdmaAccess.LOCAL_READ, RdmaAccess.LOCAL_WRITE);

        RdmaMemoryRegion region = provider.registerMemory(buffer, access);
        assertNotNull(region, "Memory region should not be null");
        assertEquals(buffer, region.getBuffer(), "Buffer should match");

     *
     * @param buffer the buffer containing the message data
     * @param bufferIndex the starting offset in the buffer
     * @return the number of bytes read
     */
    protected int readHeaderWireFormat(final byte[] buffer, final int bufferIndex) {
        this.command = buffer[bufferIndex + SmbConstants.CMD_OFFSET];
        this.errorCode = SMBUtil.readInt4(buffer, bufferIndex + SmbConstants.ERROR_CODE_OFFSET);

import mockwebserver3.MockResponseBody
import okio.Buffer
import okio.BufferedSink

internal fun Buffer.toMockResponseBody(): MockResponseBody {
  val defensiveCopy = clone()
  return BufferMockResponseBody(defensiveCopy)
}

internal class BufferMockResponseBody(
  val buffer: Buffer,
) : MockResponseBody {
  override val contentLength = buffer.size

  override fun writeTo(sink: BufferedSink) {

    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        setStatus(SMBUtil.readInt2(buffer, bufferIndex));
        bufferIndex += 2;
        this.converter = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        writeInt8(buffer, dataOffset + 24, leaseDuration);  // LeaseDuration
        
        if (isV2()) {
            System.arraycopy(parentLeaseKey.getKey(), 0, buffer, dataOffset + 32, 16);  // ParentLeaseKey
            writeInt2(buffer, dataOffset + 48, epoch);  // Epoch
            writeInt2(buffer, dataOffset + 50, 0);  // Reserved
        }
    }
    
    @Override

        byte[] buffer = new byte[8];
        int bufferIndex = 0;

        SMBUtil.writeInt2(status, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);

            assertEquals(0, echoResponse.writeBytesWireFormat(buffer, 100));
            assertEquals(0, echoResponse.writeBytesWireFormat(buffer, 500));
        }

        @Test
        @DisplayName("Should not modify buffer")
        void testWriteBytesWireFormatNoModification() {
            byte[] buffer = new byte[1024];
            byte[] originalBuffer = buffer.clone();

    /**
     * Constructs a SMB2 read response with the specified configuration and output buffer
     *
     * @param config
     *            the configuration to use for this response
     * @param outputBuffer
     *            the buffer to receive the read data
     * @param outputBufferOffset
     *            the offset in the output buffer to start writing data
     */

            int bytesWritten = context.encode(buffer, 0);

            assertEquals(12, bytesWritten);
            assertEquals(3, SMBUtil.readInt2(buffer, 0));
            assertEquals(2, SMBUtil.readInt2(buffer, 2));
            assertEquals(0x01, SMBUtil.readInt2(buffer, 4));
            assertEquals(0x02, SMBUtil.readInt2(buffer, 6));
            assertEquals(0x03, SMBUtil.readInt2(buffer, 8));