when(mockSmbPipeHandleInternal.sendrecv(buf, 0, 50, inB, 4280)).thenReturn(40);
            when(mockSmbPipeHandleInternal.recv(inB, 40, 40)).thenReturn(40);

            int result = handle.doSendReceiveFragment(buf, 0, 50, inB);
            assertEquals(80, result);
            verify(mockSmbPipeHandleInternal).recv(inB, 40, 40);
        }

        @Test
        @DisplayName("Should throw IOException when handle is stale")

        // Act
        byte[] buf = new byte[16];
        byte[] recv = new byte[16];
        int r = spyHandle.sendrecv(buf, 2, 4, recv, 16);

        // Assert
        assertEquals(7, r);
        verify(mockOut).write(eq(buf), eq(2), eq(4));
        verify(mockIn).read(eq(recv));
    }

    @Test
    @DisplayName("recv delegates to input.readDirect with args")

        if (fraglen > getMaxRecv()) {
            throw new IOException("Unexpected fragment length: " + fraglen);
        }

        while (have < fraglen) {
            final int r = this.handle.recv(inB, have, fraglen - have);
            if (r == 0) {
                throw new IOException("Unexpected EOF");
            }
            have += r;
        }

        return have;
    }

        verify(tree).send(captor.capture(), any());
        assertNotNull(captor.getValue());
    }

    @Test
    @DisplayName("recv delegates to input.readDirect and returns its value")
    void testRecvDelegation() throws Exception {
        SmbPipeHandleImpl spyTarget = spy(target);
        SmbPipeInputStream in = mock(SmbPipeInputStream.class);

     * @param off offset in the buffer
     * @param length maximum length to receive
     * @return number of bytes received
     * @throws IOException if an I/O error occurs
     */
    int recv(byte[] buf, int off, int length) throws IOException;

    /**
     * Send data to the pipe
     *
     * @param buf buffer containing data to send
     * @param off offset in the buffer

            Field maxRecvField = DcerpcBind.class.getDeclaredField("max_recv");
            maxRecvField.setAccessible(true);
            assertEquals(maxRecv, maxRecvField.get(bindWithParams), "Max recv should be set");
        }

        @Test
        @DisplayName("Package constructor should handle null binding")
        void testPackageConstructorWithNullBinding() throws Exception {
            // Given

fs.s3a.max.total.tasks=2048 # Maximum number of parallel tasks
fs.s3a.multipart.size=512M # Size of each multipart chunk
fs.s3a.multipart.threshold=512M # Size before using multipart uploads
fs.s3a.socket.recv.buffer=65536 # Read socket buffer hint
fs.s3a.socket.send.buffer=65536 # Write socket buffer hint
fs.s3a.threads.max=2048 # Maximum number of threads for S3A
```

            final SmbPipeInputStream in = getInput();
            out.write(buf, off, length);
            return in.read(inB);
        }
    }

    @Override
    public int recv(final byte[] buf, final int off, final int len) throws IOException {
        return getInput().readDirect(buf, off, len);

    }

    @Override

	ctxt.SFTP = ctx.StringSlice("sftp")
	ctxt.Interface = ctx.String("interface")
	ctxt.UserTimeout = ctx.Duration("conn-user-timeout")
	ctxt.SendBufSize = ctx.Int("send-buf-size")
	ctxt.RecvBufSize = ctx.Int("recv-buf-size")
	ctxt.IdleTimeout = ctx.Duration("idle-timeout")
	ctxt.UserTimeout = ctx.Duration("conn-user-timeout")

	if conf := ctx.String("config"); len(conf) > 0 {
		err = mergeServerCtxtFromConfigFile(conf, ctxt)

                    log.trace("Remote closed connection");
                } else if (timeout) {
                    log.debug("socket timeout in non peek state", ex);
                } else {
                    log.debug("recv failed", ex);
                }

                synchronized (this) {
                    try {
                        disconnect(!timeout, false);
                    } catch (final IOException ioe) {