C++ (Cpp) fuse_internal_readdir_processdata Examples

Example #1

File: fuse_internal.c Project: alexkazik/macfuse

__private_extern__
int
fuse_internal_readdir(vnode_t                 vp,
                      uio_t                   uio,
                      vfs_context_t           context,
                      struct fuse_filehandle *fufh,
                      struct fuse_iov        *cookediov,
                      int                    *numdirent)
{
    int err = 0;
    struct fuse_dispatcher fdi;
    struct fuse_read_in   *fri;
    struct fuse_data      *data;

    if (uio_resid(uio) == 0) {
        return 0;
    }

    fdisp_init(&fdi, 0);

    /* Note that we DO NOT have a UIO_SYSSPACE here (so no need for p2p I/O). */

    while (uio_resid(uio) > 0) {

        fdi.iosize = sizeof(*fri);
        fdisp_make_vp(&fdi, FUSE_READDIR, vp, context);

        fri = fdi.indata;
        fri->fh = fufh->fh_id;
        fri->offset = uio_offset(uio);
        data = fuse_get_mpdata(vnode_mount(vp));
        fri->size = (typeof(fri->size))min((size_t)uio_resid(uio), data->iosize);

        if ((err = fdisp_wait_answ(&fdi))) {
            goto out;
        }

        if ((err = fuse_internal_readdir_processdata(vp,
                                                     uio,
                                                     fri->size,
                                                     fdi.answ,
                                                     fdi.iosize,
                                                     cookediov,
                                                     numdirent))) {
            break;
        }
    }

/* done: */

    fuse_ticket_drop(fdi.tick);

out:
    return ((err == -1) ? 0 : err);
}

Example #2

int
fuse_internal_readdir(struct vnode *vp,
    struct uio *uio,
    struct fuse_filehandle *fufh,
    struct fuse_iov *cookediov)
{
	int err = 0;
	struct fuse_dispatcher fdi;
	struct fuse_read_in *fri;

	if (uio_resid(uio) == 0) {
		return 0;
	}
	fdisp_init(&fdi, 0);

	/*
	 * Note that we DO NOT have a UIO_SYSSPACE here (so no need for p2p
	 * I/O).
	 */

	while (uio_resid(uio) > 0) {

		fdi.iosize = sizeof(*fri);
		fdisp_make_vp(&fdi, FUSE_READDIR, vp, NULL, NULL);

		fri = fdi.indata;
		fri->fh = fufh->fh_id;
		fri->offset = uio_offset(uio);
		fri->size = min(uio_resid(uio), FUSE_DEFAULT_IOSIZE);
		/* mp->max_read */

		    if ((err = fdisp_wait_answ(&fdi))) {
			break;
		}
		if ((err = fuse_internal_readdir_processdata(uio, fri->size, fdi.answ,
		    fdi.iosize, cookediov))) {
			break;
		}
	}

	fdisp_destroy(&fdi);
	return ((err == -1) ? 0 : err);
}