C++ (Cpp) timespec_to_nsecs примеры использования

Пример #1

Файл: fsal_convert.c Проект: Anuradha-Talur/nfs-ganesha

void posix2fsal_attributes(const struct stat *buffstat,
			   struct attrlist *fsalattr)
{
	FSAL_CLEAR_MASK(fsalattr->mask);

	/* Fills the output struct */
	fsalattr->type = posix2fsal_type(buffstat->st_mode);
	FSAL_SET_MASK(fsalattr->mask, ATTR_TYPE);

	fsalattr->filesize = buffstat->st_size;
	FSAL_SET_MASK(fsalattr->mask, ATTR_SIZE);

	fsalattr->fsid = posix2fsal_fsid(buffstat->st_dev);
	FSAL_SET_MASK(fsalattr->mask, ATTR_FSID);

	fsalattr->fileid = buffstat->st_ino;
	FSAL_SET_MASK(fsalattr->mask, ATTR_FILEID);

	fsalattr->mode = unix2fsal_mode(buffstat->st_mode);
	FSAL_SET_MASK(fsalattr->mask, ATTR_MODE);

	fsalattr->numlinks = buffstat->st_nlink;
	FSAL_SET_MASK(fsalattr->mask, ATTR_NUMLINKS);

	fsalattr->owner = buffstat->st_uid;
	FSAL_SET_MASK(fsalattr->mask, ATTR_OWNER);

	fsalattr->group = buffstat->st_gid;
	FSAL_SET_MASK(fsalattr->mask, ATTR_GROUP);

	/* Use full timer resolution */
#ifdef LINUX
	fsalattr->atime = buffstat->st_atim;
	fsalattr->ctime = buffstat->st_ctim;
	fsalattr->mtime = buffstat->st_mtim;
	fsalattr->chgtime =
	    (gsh_time_cmp(&buffstat->st_mtim, &buffstat->st_ctim) >
	     0) ? fsalattr->mtime : fsalattr->ctime;
#elif FREEBSD
	fsalattr->atime = buffstat->st_atimespec;
	fsalattr->ctime = buffstat->st_ctimespec;
	fsalattr->mtime = buffstat->st_mtimespec;
	fsalattr->chgtime =
	    (gsh_time_cmp(&buffstat->st_mtimespec, &buffstat->st_ctimespec) >
	     0) ? fsalattr->mtime : fsalattr->ctime;
#endif
	FSAL_SET_MASK(fsalattr->mask, ATTR_ATIME);
	FSAL_SET_MASK(fsalattr->mask, ATTR_CTIME);
	FSAL_SET_MASK(fsalattr->mask, ATTR_MTIME);

	fsalattr->change = timespec_to_nsecs(&fsalattr->chgtime);
	FSAL_SET_MASK(fsalattr->mask, ATTR_CHGTIME);

	fsalattr->spaceused = buffstat->st_blocks * S_BLKSIZE;
	FSAL_SET_MASK(fsalattr->mask, ATTR_SPACEUSED);

	fsalattr->rawdev = posix2fsal_devt(buffstat->st_rdev);
	FSAL_SET_MASK(fsalattr->mask, ATTR_RAWDEV);
}

Пример #2

Файл: xattrs.c Проект: asias/nfs-ganesha

static int file_attributes_to_xattr_attrs(struct attrlist *file_attrs,
					  struct attrlist *xattr_attrs,
					  unsigned int attr_index)
{
	/* supported attributes are:
	 * - owner (same as the objet)
	 * - group (same as the objet)
	 * - type FSAL_TYPE_XATTR
	 * - fileid (attr index ? or (fileid^((index+1)<<24)) )
	 * - mode (config & file)
	 * - atime, mtime, ctime = these of the object ?
	 * - size=1block, used=1block
	 * - rdev=0
	 * - nlink=1
	 */
	attrmask_t supported =
	    ATTR_MODE | ATTR_FILEID | ATTR_TYPE | ATTR_OWNER | ATTR_GROUP |
	    ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_CREATION | ATTR_CHGTIME
	    | ATTR_SIZE | ATTR_SPACEUSED | ATTR_NUMLINKS | ATTR_RAWDEV |
	    ATTR_FSID;
	attrmask_t unsupp;

	if (xattr_attrs->mask == 0) {
		xattr_attrs->mask = supported;

		LogCrit(COMPONENT_FSAL,
			"Error: xattr_attrs->mask was 0 in %s() line %d, file %s",
			__func__, __LINE__, __FILE__);
	}

	unsupp = xattr_attrs->mask & (~supported);

	if (unsupp) {
		LogDebug(COMPONENT_FSAL,
			 "Asking for unsupported attributes in %s(): %#llX removing it from asked attributes",
			 __func__, (long long unsigned int)unsupp);

		xattr_attrs->mask &= (~unsupp);
	}

	if (xattr_attrs->mask & ATTR_MODE) {
		xattr_attrs->mode = file_attrs->mode;

		if (attr_is_read_only(attr_index))
			xattr_attrs->mode &= ~(0222);
	}

	if (xattr_attrs->mask & ATTR_FILEID) {
		unsigned int i;
		unsigned long hash = attr_index + 1;
		char *str = (char *)&file_attrs->fileid;

		for (i = 0; i < sizeof(xattr_attrs->fileid); i++, str++)
			hash = (hash << 5) - hash + (unsigned long)(*str);
		xattr_attrs->fileid = hash;
	}

	if (xattr_attrs->mask & ATTR_TYPE)
		xattr_attrs->type = EXTENDED_ATTR;

	if (xattr_attrs->mask & ATTR_OWNER)
		xattr_attrs->owner = file_attrs->owner;

	if (xattr_attrs->mask & ATTR_GROUP)
		xattr_attrs->group = file_attrs->group;

	if (xattr_attrs->mask & ATTR_ATIME)
		xattr_attrs->atime = file_attrs->atime;

	if (xattr_attrs->mask & ATTR_MTIME)
		xattr_attrs->mtime = file_attrs->mtime;

	if (xattr_attrs->mask & ATTR_CTIME)
		xattr_attrs->ctime = file_attrs->ctime;

	if (xattr_attrs->mask & ATTR_CREATION)
		xattr_attrs->creation = file_attrs->creation;

	if (xattr_attrs->mask & ATTR_CHGTIME) {
		xattr_attrs->chgtime = file_attrs->chgtime;
		xattr_attrs->change = timespec_to_nsecs(&xattr_attrs->chgtime);
	}

	if (xattr_attrs->mask & ATTR_SIZE)
		xattr_attrs->filesize = DEV_BSIZE;

	if (xattr_attrs->mask & ATTR_SPACEUSED)
		xattr_attrs->spaceused = DEV_BSIZE;

	if (xattr_attrs->mask & ATTR_NUMLINKS)
		xattr_attrs->numlinks = 1;

	if (xattr_attrs->mask & ATTR_RAWDEV) {
		xattr_attrs->rawdev.major = 0;
		xattr_attrs->rawdev.minor = 0;
	}

	if (xattr_attrs->mask & ATTR_FSID)
		xattr_attrs->fsid = file_attrs->fsid;

	/* if mode==0, then owner is set to root and mode is set to 0600 */
	if ((xattr_attrs->mask & ATTR_OWNER)
	    && (xattr_attrs->mask & ATTR_MODE) && (xattr_attrs->mode == 0)) {
		xattr_attrs->owner = 0;
		xattr_attrs->mode = 0600;
		if (attr_is_read_only(attr_index))
			xattr_attrs->mode &= ~(0200);
	}

	return 0;

}