github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/kv/kvserver/kvserverpb/lease_status.pb.go

// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: kv/kvserver/kvserverpb/lease_status.proto

package kvserverpb

import proto "github.com/gogo/protobuf/proto"
import fmt "fmt"
import math "math"
import roachpb "github.com/cockroachdb/cockroach/pkg/roachpb"
import hlc "github.com/cockroachdb/cockroach/pkg/util/hlc"

import io "io"

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package

type LeaseState int32

const (
	// ERROR indicates that the lease can't be used or acquired.
	LeaseState_ERROR LeaseState = 0
	// VALID indicates that the lease can be used.
	LeaseState_VALID LeaseState = 1
	// STASIS indicates that the lease has not expired, but can't be
	// used because it is close to expiration (a stasis period at the
	// end of each lease is one of the ways we handle clock
	// uncertainty). A lease in STASIS may become VALID for the same
	// leaseholder after a successful RequestLease (for expiration-based
	// leases) or Heartbeat (for epoch-based leases). A lease may not
	// change hands while it is in stasis; would-be acquirers must wait
	// for the stasis period to expire.
	//
	// The point of the stasis period is to prevent reads on the old leaseholder
	// (the one whose stasis we're talking about) from missing to see writes
	// performed under the next lease (held by someone else) when these writes
	// should fall in the uncertainty window. Even without the stasis, writes
	// performed by the new leaseholder are guaranteed to have higher timestamps
	// than any reads served by the old leaseholder. However, a read at timestamp
	// T needs to observe all writes at timestamps [T, T+maxOffset] and so,
	// without the stasis, only the new leaseholder might have some of these
	// writes. In other words, without the stasis, a new leaseholder with a fast
	// clock could start performing writes ordered in real time before the old
	// leaseholder considers its lease to have expired.
	LeaseState_STASIS LeaseState = 2
	// EXPIRED indicates that the lease can't be used. An expired lease
	// may become VALID for the same leaseholder on RequestLease or
	// Heartbeat, or it may be replaced by a new leaseholder with a
	// RequestLease (for expiration-based leases) or
	// IncrementEpoch+RequestLease (for epoch-based leases).
	LeaseState_EXPIRED LeaseState = 3
	// PROSCRIBED indicates that the lease's proposed timestamp is
	// earlier than allowed. This is used to detect node restarts: a
	// node that has restarted will see its former incarnation's leases
	// as PROSCRIBED so it will renew them before using them. Note that
	// the PROSCRIBED state is only visible to the leaseholder; other
	// nodes will see this as a VALID lease.
	LeaseState_PROSCRIBED LeaseState = 4
)

var LeaseState_name = map[int32]string{
	0: "ERROR",
	1: "VALID",
	2: "STASIS",
	3: "EXPIRED",
	4: "PROSCRIBED",
}
var LeaseState_value = map[string]int32{
	"ERROR":      0,
	"VALID":      1,
	"STASIS":     2,
	"EXPIRED":    3,
	"PROSCRIBED": 4,
}

func (x LeaseState) String() string {
	return proto.EnumName(LeaseState_name, int32(x))
}
func (LeaseState) EnumDescriptor() ([]byte, []int) {
	return fileDescriptor_lease_status_c8125d34c8e4ebdc, []int{0}
}

// LeaseStatus holds the lease state, the timestamp at which the state
// is accurate, the lease and optionally the liveness if the lease is
// epoch-based.
type LeaseStatus struct {
	// Lease which this status describes.
	Lease roachpb.Lease `protobuf:"bytes,1,opt,name=lease,proto3" json:"lease"`
	// Timestamp that the lease was evaluated at.
	Timestamp hlc.Timestamp `protobuf:"bytes,2,opt,name=timestamp,proto3" json:"timestamp"`
	// State of the lease at timestamp.
	State LeaseState `protobuf:"varint,3,opt,name=state,proto3,enum=cockroach.kv.kvserver.storagepb.LeaseState" json:"state,omitempty"`
	// Liveness if this is an epoch-based lease.
	Liveness Liveness `protobuf:"bytes,4,opt,name=liveness,proto3" json:"liveness"`
}

func (m *LeaseStatus) Reset()         { *m = LeaseStatus{} }
func (m *LeaseStatus) String() string { return proto.CompactTextString(m) }
func (*LeaseStatus) ProtoMessage()    {}
func (*LeaseStatus) Descriptor() ([]byte, []int) {
	return fileDescriptor_lease_status_c8125d34c8e4ebdc, []int{0}
}
func (m *LeaseStatus) XXX_Unmarshal(b []byte) error {
	return m.Unmarshal(b)
}
func (m *LeaseStatus) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	b = b[:cap(b)]
	n, err := m.MarshalTo(b)
	if err != nil {
		return nil, err
	}
	return b[:n], nil
}
func (dst *LeaseStatus) XXX_Merge(src proto.Message) {
	xxx_messageInfo_LeaseStatus.Merge(dst, src)
}
func (m *LeaseStatus) XXX_Size() int {
	return m.Size()
}
func (m *LeaseStatus) XXX_DiscardUnknown() {
	xxx_messageInfo_LeaseStatus.DiscardUnknown(m)
}

var xxx_messageInfo_LeaseStatus proto.InternalMessageInfo

func init() {
	proto.RegisterType((*LeaseStatus)(nil), "cockroach.kv.kvserver.storagepb.LeaseStatus")
	proto.RegisterEnum("cockroach.kv.kvserver.storagepb.LeaseState", LeaseState_name, LeaseState_value)
}
func (m *LeaseStatus) Marshal() (dAtA []byte, err error) {
	size := m.Size()
	dAtA = make([]byte, size)
	n, err := m.MarshalTo(dAtA)
	if err != nil {
		return nil, err
	}
	return dAtA[:n], nil
}

func (m *LeaseStatus) MarshalTo(dAtA []byte) (int, error) {
	var i int
	_ = i
	var l int
	_ = l
	dAtA[i] = 0xa
	i++
	i = encodeVarintLeaseStatus(dAtA, i, uint64(m.Lease.Size()))
	n1, err := m.Lease.MarshalTo(dAtA[i:])
	if err != nil {
		return 0, err
	}
	i += n1
	dAtA[i] = 0x12
	i++
	i = encodeVarintLeaseStatus(dAtA, i, uint64(m.Timestamp.Size()))
	n2, err := m.Timestamp.MarshalTo(dAtA[i:])
	if err != nil {
		return 0, err
	}
	i += n2
	if m.State != 0 {
		dAtA[i] = 0x18
		i++
		i = encodeVarintLeaseStatus(dAtA, i, uint64(m.State))
	}
	dAtA[i] = 0x22
	i++
	i = encodeVarintLeaseStatus(dAtA, i, uint64(m.Liveness.Size()))
	n3, err := m.Liveness.MarshalTo(dAtA[i:])
	if err != nil {
		return 0, err
	}
	i += n3
	return i, nil
}

func encodeVarintLeaseStatus(dAtA []byte, offset int, v uint64) int {
	for v >= 1<<7 {
		dAtA[offset] = uint8(v&0x7f | 0x80)
		v >>= 7
		offset++
	}
	dAtA[offset] = uint8(v)
	return offset + 1
}
func (m *LeaseStatus) Size() (n int) {
	if m == nil {
		return 0
	}
	var l int
	_ = l
	l = m.Lease.Size()
	n += 1 + l + sovLeaseStatus(uint64(l))
	l = m.Timestamp.Size()
	n += 1 + l + sovLeaseStatus(uint64(l))
	if m.State != 0 {
		n += 1 + sovLeaseStatus(uint64(m.State))
	}
	l = m.Liveness.Size()
	n += 1 + l + sovLeaseStatus(uint64(l))
	return n
}

func sovLeaseStatus(x uint64) (n int) {
	for {
		n++
		x >>= 7
		if x == 0 {
			break
		}
	}
	return n
}
func sozLeaseStatus(x uint64) (n int) {
	return sovLeaseStatus(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}
func (m *LeaseStatus) Unmarshal(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 ErrIntOverflowLeaseStatus
			}
			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: LeaseStatus: wiretype end group for non-group")
		}
		if fieldNum <= 0 {
			return fmt.Errorf("proto: LeaseStatus: illegal tag %d (wire type %d)", fieldNum, wire)
		}
		switch fieldNum {
		case 1:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Lease", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowLeaseStatus
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return ErrInvalidLengthLeaseStatus
			}
			postIndex := iNdEx + msglen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			if err := m.Lease.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		case 2:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Timestamp", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowLeaseStatus
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return ErrInvalidLengthLeaseStatus
			}
			postIndex := iNdEx + msglen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			if err := m.Timestamp.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		case 3:
			if wireType != 0 {
				return fmt.Errorf("proto: wrong wireType = %d for field State", wireType)
			}
			m.State = 0
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowLeaseStatus
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				m.State |= (LeaseState(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
		case 4:
			if wireType != 2 {
				return fmt.Errorf("proto: wrong wireType = %d for field Liveness", wireType)
			}
			var msglen int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return ErrIntOverflowLeaseStatus
				}
				if iNdEx >= l {
					return io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				msglen |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			if msglen < 0 {
				return ErrInvalidLengthLeaseStatus
			}
			postIndex := iNdEx + msglen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			if err := m.Liveness.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
				return err
			}
			iNdEx = postIndex
		default:
			iNdEx = preIndex
			skippy, err := skipLeaseStatus(dAtA[iNdEx:])
			if err != nil {
				return err
			}
			if skippy < 0 {
				return ErrInvalidLengthLeaseStatus
			}
			if (iNdEx + skippy) > l {
				return io.ErrUnexpectedEOF
			}
			iNdEx += skippy
		}
	}

	if iNdEx > l {
		return io.ErrUnexpectedEOF
	}
	return nil
}
func skipLeaseStatus(dAtA []byte) (n int, err error) {
	l := len(dAtA)
	iNdEx := 0
	for iNdEx < l {
		var wire uint64
		for shift := uint(0); ; shift += 7 {
			if shift >= 64 {
				return 0, ErrIntOverflowLeaseStatus
			}
			if iNdEx >= l {
				return 0, io.ErrUnexpectedEOF
			}
			b := dAtA[iNdEx]
			iNdEx++
			wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		wireType := int(wire & 0x7)
		switch wireType {
		case 0:
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowLeaseStatus
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				iNdEx++
				if dAtA[iNdEx-1] < 0x80 {
					break
				}
			}
			return iNdEx, nil
		case 1:
			iNdEx += 8
			return iNdEx, nil
		case 2:
			var length int
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowLeaseStatus
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				b := dAtA[iNdEx]
				iNdEx++
				length |= (int(b) & 0x7F) << shift
				if b < 0x80 {
					break
				}
			}
			iNdEx += length
			if length < 0 {
				return 0, ErrInvalidLengthLeaseStatus
			}
			return iNdEx, nil
		case 3:
			for {
				var innerWire uint64
				var start int = iNdEx
				for shift := uint(0); ; shift += 7 {
					if shift >= 64 {
						return 0, ErrIntOverflowLeaseStatus
					}
					if iNdEx >= l {
						return 0, io.ErrUnexpectedEOF
					}
					b := dAtA[iNdEx]
					iNdEx++
					innerWire |= (uint64(b) & 0x7F) << shift
					if b < 0x80 {
						break
					}
				}
				innerWireType := int(innerWire & 0x7)
				if innerWireType == 4 {
					break
				}
				next, err := skipLeaseStatus(dAtA[start:])
				if err != nil {
					return 0, err
				}
				iNdEx = start + next
			}
			return iNdEx, nil
		case 4:
			return iNdEx, nil
		case 5:
			iNdEx += 4
			return iNdEx, nil
		default:
			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
		}
	}
	panic("unreachable")
}

var (
	ErrInvalidLengthLeaseStatus = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowLeaseStatus   = fmt.Errorf("proto: integer overflow")
)

func init() {
	proto.RegisterFile("kv/kvserver/kvserverpb/lease_status.proto", fileDescriptor_lease_status_c8125d34c8e4ebdc)
}

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