Golang Range.Offset Examples

Example #1

File: controller.go Project: johnmccawley/origin

// DefaultMCSAllocation returns a label from the MCS range that matches the offset
// within the overall range. blockSize must be a positive integer representing the
// number of labels to jump past in the category space (if 1, range == label, if 2
// each range will have two labels).
func DefaultMCSAllocation(from *uid.Range, to *mcs.Range, blockSize int) MCSAllocationFunc {
	return func(block uid.Block) *mcs.Label {
		ok, offset := from.Offset(block)
		if !ok {
			return nil
		}
		if blockSize > 0 {
			offset = offset * uint32(blockSize)
		}
		label, _ := to.LabelAt(uint64(offset))
		return label
	}
}