Method Valid

segment.go:724–758

()

}

func (a *segment) Valid() error {
	if a.kvs == nil || len(a.kvs) <= 0 {
		return fmt.Errorf("expected kvs")
	}
	if a.buf == nil || len(a.buf) <= 0 {
		return fmt.Errorf("expected buf")
	}
	for pos := 0; pos < a.Len(); pos++ {
		x := pos * 2
		if x < 0 || x >= len(a.kvs) {
			return fmt.Errorf("pos to x error")
		}

		opklvl := a.kvs[x]

		operation, keyLen, valLen := decodeOpKeyLenValLen(opklvl)
		if operation == 0 {
			return fmt.Errorf("should have some nonzero op")
		}

		kstart := int(a.kvs[x+1])
		vstart := kstart + keyLen

		if kstart+keyLen > len(a.buf) {
			return fmt.Errorf("key larger than buf, pos: %d, kstart: %d, keyLen: %d, len(buf): %d, op: %x",
				pos, kstart, keyLen, len(a.buf), operation)
		}
		if vstart+valLen > len(a.buf) {
			return fmt.Errorf("val larger than buf, pos: %d, vstart: %d, valLen: %d, len(buf): %d, op: %x",
				pos, vstart, valLen, len(a.buf), operation)
		}
	}

	return nil
}

// ------------------------------------------------------