import jcifs.smb1.util.LogStream;

class TransactNamedPipeInputStream extends SmbFileInputStream {

    private static final int INIT_PIPE_SIZE = 4096;

    private byte[] pipe_buf = new byte[INIT_PIPE_SIZE];
    private int beg_idx, nxt_idx, used;
    private final boolean dcePipe;

    Object lock;

        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        if (pipe.pipeIn != null) {
            final TransactNamedPipeInputStream in = (TransactNamedPipeInputStream) pipe.pipeIn;
            synchronized (in.lock) {
                in.receive(buffer, bufferIndex, len);
                in.lock.notify();
            }
        }
        return len;
    }

/**
 * Unit tests for the {@link TransTransactNamedPipeResponse} class.
 */
class TransTransactNamedPipeResponseTest {

    @Mock
    private SmbNamedPipe mockPipe;

    @Mock
    private TransactNamedPipeInputStream mockPipeIn;

    @InjectMocks
    private TransTransactNamedPipeResponse response;

    @BeforeEach
    void setUp() {
        // Initialize mocks created above

        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        if (pipe.pipeIn != null) {
            final TransactNamedPipeInputStream in = (TransactNamedPipeInputStream) pipe.pipeIn;
            synchronized (in.lock) {
                in.receive(buffer, bufferIndex, len);
                in.lock.notify();
            }
        }
        return len;
    }

        if (pipeIn == null) {
            if ((pipeType & PIPE_TYPE_CALL) == PIPE_TYPE_CALL || (pipeType & PIPE_TYPE_TRANSACT) == PIPE_TYPE_TRANSACT) {
                pipeIn = new TransactNamedPipeInputStream(this);
            } else {
                pipeIn = new SmbFileInputStream(this, pipeType & 0xFFFF00FF | SmbFile.O_EXCL);
            }
        }
        return pipeIn;
    }

    /**