func()

in model/modelpb/metricset_vtproto.pb.go [723:939]

• 216 lines of code
• 62 McCabe index (conditional complexity)

func (m *MetricsetSample) UnmarshalVT(dAtA []byte) error {
	l := len(dAtA)
	iNdEx := 0
	for iNdEx < l {
		preIndex := iNdEx
		var wire uint64
		for shift := uint(0); ; shift += 7 {
			if shift >= 64 {
				return protohelpers.ErrIntOverflow
			}
			if iNdEx >= l {
				return io.ErrUnexpectedEOF
			}
			b := dAtA[iNdEx]
			iNdEx++
			wire |= uint64(b&0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		fieldNum := int32(wire >> 3)
		wireType := int(wire & 0x7)
		if wireType == 4 {
			return fmt.Errorf("proto: MetricsetSample: wiretype end group for non-group")
		}
		if fieldNum <= 0 {
			return fmt.Errorf("proto: MetricsetSample: illegal tag %d (wire type %d)", fieldNum, wire)
		}
		switch fieldNum {
		case 1:
			if wireType != 0 {
				return fmt.Errorf("proto: wrong wireType = %d for field Type", wireType)
			}
			m.Type = 0
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return protohelpers.ErrIntOverflow
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				m.Type |= MetricType(b&0x7F) << shift
				if b < 0x80 {
					break
				}
			}
		case 2:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
			}
			var stringLen uint64
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return protohelpers.ErrIntOverflow
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				stringLen |= uint64(b&0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			intStringLen := int(stringLen)
			if intStringLen < 0 {
				return protohelpers.ErrInvalidLength
			}
			postIndex := iNdEx + intStringLen
			if postIndex < 0 {
				return protohelpers.ErrInvalidLength
			}
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			m.Name = string(dAtA[iNdEx:postIndex])
			iNdEx = postIndex
		case 3:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Unit", wireType)
			}
			var stringLen uint64
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return protohelpers.ErrIntOverflow
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				stringLen |= uint64(b&0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			intStringLen := int(stringLen)
			if intStringLen < 0 {
				return protohelpers.ErrInvalidLength
			}
			postIndex := iNdEx + intStringLen
			if postIndex < 0 {
				return protohelpers.ErrInvalidLength
			}
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			m.Unit = string(dAtA[iNdEx:postIndex])
			iNdEx = postIndex
		case 4:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Histogram", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return protohelpers.ErrIntOverflow
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= int(b&0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return protohelpers.ErrInvalidLength
			}
			postIndex := iNdEx + msglen
			if postIndex < 0 {
				return protohelpers.ErrInvalidLength
			}
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			if m.Histogram == nil {
				m.Histogram = &Histogram{}
			}
			if err := m.Histogram.UnmarshalVT(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		case 5:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Summary", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return protohelpers.ErrIntOverflow
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= int(b&0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return protohelpers.ErrInvalidLength
			}
			postIndex := iNdEx + msglen
			if postIndex < 0 {
				return protohelpers.ErrInvalidLength
			}
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			if m.Summary == nil {
				m.Summary = &SummaryMetric{}
			}
			if err := m.Summary.UnmarshalVT(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		case 6:
			if wireType != 1 {
				return fmt.Errorf("proto: wrong wireType = %d for field Value", wireType)
			}
			var v uint64
			if (iNdEx + 8) > l {
				return io.ErrUnexpectedEOF
			}
			v = uint64(binary.LittleEndian.Uint64(dAtA[iNdEx:]))
			iNdEx += 8
			m.Value = float64(math.Float64frombits(v))
		default:
			iNdEx = preIndex
			skippy, err := protohelpers.Skip(dAtA[iNdEx:])
			if err != nil {
				return err
			}
			if (skippy < 0) || (iNdEx+skippy) < 0 {
				return protohelpers.ErrInvalidLength
			}
			if (iNdEx + skippy) > l {
				return io.ErrUnexpectedEOF
			}
			m.unknownFields = append(m.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
			iNdEx += skippy
		}
	}

	if iNdEx > l {
		return io.ErrUnexpectedEOF
	}
	return nil
}