open-consul/proto/pbsubscribe/subscribe.pb.go
R.B. Boyer 809344a6f5
peering: initial sync (#12842)
- Add endpoints related to peering: read, list, generate token, initiate peering
- Update node/service/check table indexing to account for peers
- Foundational changes for pushing service updates to a peer
- Plumb peer name through Health.ServiceNodes path

see: ENT-1765, ENT-1280, ENT-1283, ENT-1283, ENT-1756, ENT-1739, ENT-1750, ENT-1679,
     ENT-1709, ENT-1704, ENT-1690, ENT-1689, ENT-1702, ENT-1701, ENT-1683, ENT-1663,
     ENT-1650, ENT-1678, ENT-1628, ENT-1658, ENT-1640, ENT-1637, ENT-1597, ENT-1634,
     ENT-1613, ENT-1616, ENT-1617, ENT-1591, ENT-1588, ENT-1596, ENT-1572, ENT-1555

Co-authored-by: R.B. Boyer <rb@hashicorp.com>
Co-authored-by: freddygv <freddy@hashicorp.com>
Co-authored-by: Chris S. Kim <ckim@hashicorp.com>
Co-authored-by: Evan Culver <eculver@hashicorp.com>
Co-authored-by: Nitya Dhanushkodi <nitya@hashicorp.com>
2022-04-21 17:34:40 -05:00

841 lines
30 KiB
Go

//
//Package event provides a service for subscribing to state change events.
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.23.0
// protoc v3.15.8
// source: proto/pbsubscribe/subscribe.proto
package pbsubscribe
import (
context "context"
proto "github.com/golang/protobuf/proto"
pbservice "github.com/hashicorp/consul/proto/pbservice"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
// Topic enumerates the supported event topics.
type Topic int32
const (
Topic_Unknown Topic = 0
// ServiceHealth topic contains events for any changes to service health.
Topic_ServiceHealth Topic = 1
// ServiceHealthConnect topic contains events for any changes to service
// health for connect-enabled services.
Topic_ServiceHealthConnect Topic = 2
)
// Enum value maps for Topic.
var (
Topic_name = map[int32]string{
0: "Unknown",
1: "ServiceHealth",
2: "ServiceHealthConnect",
}
Topic_value = map[string]int32{
"Unknown": 0,
"ServiceHealth": 1,
"ServiceHealthConnect": 2,
}
)
func (x Topic) Enum() *Topic {
p := new(Topic)
*p = x
return p
}
func (x Topic) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (Topic) Descriptor() protoreflect.EnumDescriptor {
return file_proto_pbsubscribe_subscribe_proto_enumTypes[0].Descriptor()
}
func (Topic) Type() protoreflect.EnumType {
return &file_proto_pbsubscribe_subscribe_proto_enumTypes[0]
}
func (x Topic) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use Topic.Descriptor instead.
func (Topic) EnumDescriptor() ([]byte, []int) {
return file_proto_pbsubscribe_subscribe_proto_rawDescGZIP(), []int{0}
}
type CatalogOp int32
const (
CatalogOp_Register CatalogOp = 0
CatalogOp_Deregister CatalogOp = 1
)
// Enum value maps for CatalogOp.
var (
CatalogOp_name = map[int32]string{
0: "Register",
1: "Deregister",
}
CatalogOp_value = map[string]int32{
"Register": 0,
"Deregister": 1,
}
)
func (x CatalogOp) Enum() *CatalogOp {
p := new(CatalogOp)
*p = x
return p
}
func (x CatalogOp) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (CatalogOp) Descriptor() protoreflect.EnumDescriptor {
return file_proto_pbsubscribe_subscribe_proto_enumTypes[1].Descriptor()
}
func (CatalogOp) Type() protoreflect.EnumType {
return &file_proto_pbsubscribe_subscribe_proto_enumTypes[1]
}
func (x CatalogOp) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use CatalogOp.Descriptor instead.
func (CatalogOp) EnumDescriptor() ([]byte, []int) {
return file_proto_pbsubscribe_subscribe_proto_rawDescGZIP(), []int{1}
}
// SubscribeRequest used to subscribe to a topic.
type SubscribeRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Topic identifies the set of events the subscriber is interested in.
Topic Topic `protobuf:"varint,1,opt,name=Topic,proto3,enum=subscribe.Topic" json:"Topic,omitempty"`
// Key is a topic-specific identifier that restricts the scope of the
// subscription to only events pertaining to that identifier. For example,
// to receive events for a single service, the service's name is specified
// as the key.
Key string `protobuf:"bytes,2,opt,name=Key,proto3" json:"Key,omitempty"`
// Token is the ACL token to authenticate the request. The token must have
// sufficient privileges to read the requested information otherwise events
// will be filtered, possibly resulting in an empty snapshot and no further
// updates sent.
Token string `protobuf:"bytes,3,opt,name=Token,proto3" json:"Token,omitempty"`
// Index is the raft index the subscriber has already observed up to. This
// is zero on an initial streaming call, but then can be provided by a
// client on subsequent re-connections such that the full snapshot doesn't
// need to be resent if the client is up to date.
Index uint64 `protobuf:"varint,4,opt,name=Index,proto3" json:"Index,omitempty"`
// Datacenter specifies the Consul datacenter the request is targeted at.
// If it's not the local DC the server will forward the request to
// the remote DC and proxy the results back to the subscriber. An empty
// string defaults to the local datacenter.
Datacenter string `protobuf:"bytes,5,opt,name=Datacenter,proto3" json:"Datacenter,omitempty"`
// Namespace which contains the resources. If Namespace is not specified the
// default namespace will be used.
//
// Namespace is an enterprise-only feature.
Namespace string `protobuf:"bytes,6,opt,name=Namespace,proto3" json:"Namespace,omitempty"`
// Partition which contains the resources. If Partition is not specified the
// default partition will be used.
//
// Partition is an enterprise-only feature.
Partition string `protobuf:"bytes,7,opt,name=Partition,proto3" json:"Partition,omitempty"`
// TODO(peering): docs
PeerName string `protobuf:"bytes,8,opt,name=PeerName,proto3" json:"PeerName,omitempty"`
}
func (x *SubscribeRequest) Reset() {
*x = SubscribeRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *SubscribeRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*SubscribeRequest) ProtoMessage() {}
func (x *SubscribeRequest) ProtoReflect() protoreflect.Message {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use SubscribeRequest.ProtoReflect.Descriptor instead.
func (*SubscribeRequest) Descriptor() ([]byte, []int) {
return file_proto_pbsubscribe_subscribe_proto_rawDescGZIP(), []int{0}
}
func (x *SubscribeRequest) GetTopic() Topic {
if x != nil {
return x.Topic
}
return Topic_Unknown
}
func (x *SubscribeRequest) GetKey() string {
if x != nil {
return x.Key
}
return ""
}
func (x *SubscribeRequest) GetToken() string {
if x != nil {
return x.Token
}
return ""
}
func (x *SubscribeRequest) GetIndex() uint64 {
if x != nil {
return x.Index
}
return 0
}
func (x *SubscribeRequest) GetDatacenter() string {
if x != nil {
return x.Datacenter
}
return ""
}
func (x *SubscribeRequest) GetNamespace() string {
if x != nil {
return x.Namespace
}
return ""
}
func (x *SubscribeRequest) GetPartition() string {
if x != nil {
return x.Partition
}
return ""
}
func (x *SubscribeRequest) GetPeerName() string {
if x != nil {
return x.PeerName
}
return ""
}
// Event describes a streaming update on a subscription. Events are used both to
// describe the current "snapshot" of the result as well as ongoing mutations to
// that snapshot.
type Event struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Index is the raft index at which the mutation took place. At the top
// level of a subscription there will always be at most one Event per index.
// If multiple events are published to the same topic in a single raft
// transaction then the batch of events will be encoded inside a single
// top-level event to ensure they are delivered atomically to clients.
Index uint64 `protobuf:"varint,1,opt,name=Index,proto3" json:"Index,omitempty"`
// Payload is the actual event content.
//
// Types that are assignable to Payload:
// *Event_EndOfSnapshot
// *Event_NewSnapshotToFollow
// *Event_EventBatch
// *Event_ServiceHealth
Payload isEvent_Payload `protobuf_oneof:"Payload"`
}
func (x *Event) Reset() {
*x = Event{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Event) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Event) ProtoMessage() {}
func (x *Event) ProtoReflect() protoreflect.Message {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Event.ProtoReflect.Descriptor instead.
func (*Event) Descriptor() ([]byte, []int) {
return file_proto_pbsubscribe_subscribe_proto_rawDescGZIP(), []int{1}
}
func (x *Event) GetIndex() uint64 {
if x != nil {
return x.Index
}
return 0
}
func (m *Event) GetPayload() isEvent_Payload {
if m != nil {
return m.Payload
}
return nil
}
func (x *Event) GetEndOfSnapshot() bool {
if x, ok := x.GetPayload().(*Event_EndOfSnapshot); ok {
return x.EndOfSnapshot
}
return false
}
func (x *Event) GetNewSnapshotToFollow() bool {
if x, ok := x.GetPayload().(*Event_NewSnapshotToFollow); ok {
return x.NewSnapshotToFollow
}
return false
}
func (x *Event) GetEventBatch() *EventBatch {
if x, ok := x.GetPayload().(*Event_EventBatch); ok {
return x.EventBatch
}
return nil
}
func (x *Event) GetServiceHealth() *ServiceHealthUpdate {
if x, ok := x.GetPayload().(*Event_ServiceHealth); ok {
return x.ServiceHealth
}
return nil
}
type isEvent_Payload interface {
isEvent_Payload()
}
type Event_EndOfSnapshot struct {
// EndOfSnapshot indicates the event stream for the initial snapshot has
// ended. Subsequent Events delivered will be mutations to that result.
EndOfSnapshot bool `protobuf:"varint,2,opt,name=EndOfSnapshot,proto3,oneof"`
}
type Event_NewSnapshotToFollow struct {
// NewSnapshotToFollow indicates that the client view is stale. The client
// must reset its view before handing any more events. Subsequent events
// in the stream will be for a new snapshot until an EndOfSnapshot event
// is received.
NewSnapshotToFollow bool `protobuf:"varint,3,opt,name=NewSnapshotToFollow,proto3,oneof"`
}
type Event_EventBatch struct {
// EventBatch is a set of events. This is typically used as the payload
// type where multiple events are emitted in a single topic and raft
// index (e.g. transactional updates). In this case the Topic and Index
// values of all events will match and the whole set should be delivered
// and consumed atomically.
EventBatch *EventBatch `protobuf:"bytes,4,opt,name=EventBatch,proto3,oneof"`
}
type Event_ServiceHealth struct {
// ServiceHealth is used for ServiceHealth and ServiceHealthConnect
// topics.
ServiceHealth *ServiceHealthUpdate `protobuf:"bytes,10,opt,name=ServiceHealth,proto3,oneof"`
}
func (*Event_EndOfSnapshot) isEvent_Payload() {}
func (*Event_NewSnapshotToFollow) isEvent_Payload() {}
func (*Event_EventBatch) isEvent_Payload() {}
func (*Event_ServiceHealth) isEvent_Payload() {}
type EventBatch struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Events []*Event `protobuf:"bytes,1,rep,name=Events,proto3" json:"Events,omitempty"`
}
func (x *EventBatch) Reset() {
*x = EventBatch{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *EventBatch) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*EventBatch) ProtoMessage() {}
func (x *EventBatch) ProtoReflect() protoreflect.Message {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use EventBatch.ProtoReflect.Descriptor instead.
func (*EventBatch) Descriptor() ([]byte, []int) {
return file_proto_pbsubscribe_subscribe_proto_rawDescGZIP(), []int{2}
}
func (x *EventBatch) GetEvents() []*Event {
if x != nil {
return x.Events
}
return nil
}
type ServiceHealthUpdate struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Op CatalogOp `protobuf:"varint,1,opt,name=Op,proto3,enum=subscribe.CatalogOp" json:"Op,omitempty"`
CheckServiceNode *pbservice.CheckServiceNode `protobuf:"bytes,2,opt,name=CheckServiceNode,proto3" json:"CheckServiceNode,omitempty"`
}
func (x *ServiceHealthUpdate) Reset() {
*x = ServiceHealthUpdate{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ServiceHealthUpdate) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ServiceHealthUpdate) ProtoMessage() {}
func (x *ServiceHealthUpdate) ProtoReflect() protoreflect.Message {
mi := &file_proto_pbsubscribe_subscribe_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ServiceHealthUpdate.ProtoReflect.Descriptor instead.
func (*ServiceHealthUpdate) Descriptor() ([]byte, []int) {
return file_proto_pbsubscribe_subscribe_proto_rawDescGZIP(), []int{3}
}
func (x *ServiceHealthUpdate) GetOp() CatalogOp {
if x != nil {
return x.Op
}
return CatalogOp_Register
}
func (x *ServiceHealthUpdate) GetCheckServiceNode() *pbservice.CheckServiceNode {
if x != nil {
return x.CheckServiceNode
}
return nil
}
var File_proto_pbsubscribe_subscribe_proto protoreflect.FileDescriptor
var file_proto_pbsubscribe_subscribe_proto_rawDesc = []byte{
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}
var (
file_proto_pbsubscribe_subscribe_proto_rawDescOnce sync.Once
file_proto_pbsubscribe_subscribe_proto_rawDescData = file_proto_pbsubscribe_subscribe_proto_rawDesc
)
func file_proto_pbsubscribe_subscribe_proto_rawDescGZIP() []byte {
file_proto_pbsubscribe_subscribe_proto_rawDescOnce.Do(func() {
file_proto_pbsubscribe_subscribe_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_pbsubscribe_subscribe_proto_rawDescData)
})
return file_proto_pbsubscribe_subscribe_proto_rawDescData
}
var file_proto_pbsubscribe_subscribe_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
var file_proto_pbsubscribe_subscribe_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_proto_pbsubscribe_subscribe_proto_goTypes = []interface{}{
(Topic)(0), // 0: subscribe.Topic
(CatalogOp)(0), // 1: subscribe.CatalogOp
(*SubscribeRequest)(nil), // 2: subscribe.SubscribeRequest
(*Event)(nil), // 3: subscribe.Event
(*EventBatch)(nil), // 4: subscribe.EventBatch
(*ServiceHealthUpdate)(nil), // 5: subscribe.ServiceHealthUpdate
(*pbservice.CheckServiceNode)(nil), // 6: pbservice.CheckServiceNode
}
var file_proto_pbsubscribe_subscribe_proto_depIdxs = []int32{
0, // 0: subscribe.SubscribeRequest.Topic:type_name -> subscribe.Topic
4, // 1: subscribe.Event.EventBatch:type_name -> subscribe.EventBatch
5, // 2: subscribe.Event.ServiceHealth:type_name -> subscribe.ServiceHealthUpdate
3, // 3: subscribe.EventBatch.Events:type_name -> subscribe.Event
1, // 4: subscribe.ServiceHealthUpdate.Op:type_name -> subscribe.CatalogOp
6, // 5: subscribe.ServiceHealthUpdate.CheckServiceNode:type_name -> pbservice.CheckServiceNode
2, // 6: subscribe.StateChangeSubscription.Subscribe:input_type -> subscribe.SubscribeRequest
3, // 7: subscribe.StateChangeSubscription.Subscribe:output_type -> subscribe.Event
7, // [7:8] is the sub-list for method output_type
6, // [6:7] is the sub-list for method input_type
6, // [6:6] is the sub-list for extension type_name
6, // [6:6] is the sub-list for extension extendee
0, // [0:6] is the sub-list for field type_name
}
func init() { file_proto_pbsubscribe_subscribe_proto_init() }
func file_proto_pbsubscribe_subscribe_proto_init() {
if File_proto_pbsubscribe_subscribe_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_proto_pbsubscribe_subscribe_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SubscribeRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_pbsubscribe_subscribe_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Event); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_pbsubscribe_subscribe_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*EventBatch); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_pbsubscribe_subscribe_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ServiceHealthUpdate); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
file_proto_pbsubscribe_subscribe_proto_msgTypes[1].OneofWrappers = []interface{}{
(*Event_EndOfSnapshot)(nil),
(*Event_NewSnapshotToFollow)(nil),
(*Event_EventBatch)(nil),
(*Event_ServiceHealth)(nil),
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_proto_pbsubscribe_subscribe_proto_rawDesc,
NumEnums: 2,
NumMessages: 4,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_proto_pbsubscribe_subscribe_proto_goTypes,
DependencyIndexes: file_proto_pbsubscribe_subscribe_proto_depIdxs,
EnumInfos: file_proto_pbsubscribe_subscribe_proto_enumTypes,
MessageInfos: file_proto_pbsubscribe_subscribe_proto_msgTypes,
}.Build()
File_proto_pbsubscribe_subscribe_proto = out.File
file_proto_pbsubscribe_subscribe_proto_rawDesc = nil
file_proto_pbsubscribe_subscribe_proto_goTypes = nil
file_proto_pbsubscribe_subscribe_proto_depIdxs = nil
}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConnInterface
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion6
// StateChangeSubscriptionClient is the client API for StateChangeSubscription service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type StateChangeSubscriptionClient interface {
// Subscribe to a topic to receive events when there are changes to the topic.
//
// If SubscribeRequest.Index is 0 the event stream will start with one or
// more snapshot events, followed by an EndOfSnapshot event. Subsequent
// events will be a live stream of events as they happen.
//
// If SubscribeRequest.Index is > 0 it is assumed the client already has a
// snapshot, and is trying to resume a stream that was disconnected. The
// client will either receive a NewSnapshotToFollow event, indicating the
// client view is stale and it must reset its view and prepare for a new
// snapshot. Or, if no NewSnapshotToFollow event is received, the client
// view is still fresh, and all events will be the live stream.
//
// Subscribe may return a gRPC status error with codes.ABORTED to indicate
// the client view is now stale due to a change on the server. The client
// must reset its view and issue a new Subscribe call to restart the stream.
// This error is used when the server can no longer correctly maintain the
// stream, for example because the ACL permissions for the token changed, or
// because the server state was restored from a snapshot.
Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (StateChangeSubscription_SubscribeClient, error)
}
type stateChangeSubscriptionClient struct {
cc grpc.ClientConnInterface
}
func NewStateChangeSubscriptionClient(cc grpc.ClientConnInterface) StateChangeSubscriptionClient {
return &stateChangeSubscriptionClient{cc}
}
func (c *stateChangeSubscriptionClient) Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (StateChangeSubscription_SubscribeClient, error) {
stream, err := c.cc.NewStream(ctx, &_StateChangeSubscription_serviceDesc.Streams[0], "/subscribe.StateChangeSubscription/Subscribe", opts...)
if err != nil {
return nil, err
}
x := &stateChangeSubscriptionSubscribeClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type StateChangeSubscription_SubscribeClient interface {
Recv() (*Event, error)
grpc.ClientStream
}
type stateChangeSubscriptionSubscribeClient struct {
grpc.ClientStream
}
func (x *stateChangeSubscriptionSubscribeClient) Recv() (*Event, error) {
m := new(Event)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// StateChangeSubscriptionServer is the server API for StateChangeSubscription service.
type StateChangeSubscriptionServer interface {
// Subscribe to a topic to receive events when there are changes to the topic.
//
// If SubscribeRequest.Index is 0 the event stream will start with one or
// more snapshot events, followed by an EndOfSnapshot event. Subsequent
// events will be a live stream of events as they happen.
//
// If SubscribeRequest.Index is > 0 it is assumed the client already has a
// snapshot, and is trying to resume a stream that was disconnected. The
// client will either receive a NewSnapshotToFollow event, indicating the
// client view is stale and it must reset its view and prepare for a new
// snapshot. Or, if no NewSnapshotToFollow event is received, the client
// view is still fresh, and all events will be the live stream.
//
// Subscribe may return a gRPC status error with codes.ABORTED to indicate
// the client view is now stale due to a change on the server. The client
// must reset its view and issue a new Subscribe call to restart the stream.
// This error is used when the server can no longer correctly maintain the
// stream, for example because the ACL permissions for the token changed, or
// because the server state was restored from a snapshot.
Subscribe(*SubscribeRequest, StateChangeSubscription_SubscribeServer) error
}
// UnimplementedStateChangeSubscriptionServer can be embedded to have forward compatible implementations.
type UnimplementedStateChangeSubscriptionServer struct {
}
func (*UnimplementedStateChangeSubscriptionServer) Subscribe(*SubscribeRequest, StateChangeSubscription_SubscribeServer) error {
return status.Errorf(codes.Unimplemented, "method Subscribe not implemented")
}
func RegisterStateChangeSubscriptionServer(s *grpc.Server, srv StateChangeSubscriptionServer) {
s.RegisterService(&_StateChangeSubscription_serviceDesc, srv)
}
func _StateChangeSubscription_Subscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(SubscribeRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(StateChangeSubscriptionServer).Subscribe(m, &stateChangeSubscriptionSubscribeServer{stream})
}
type StateChangeSubscription_SubscribeServer interface {
Send(*Event) error
grpc.ServerStream
}
type stateChangeSubscriptionSubscribeServer struct {
grpc.ServerStream
}
func (x *stateChangeSubscriptionSubscribeServer) Send(m *Event) error {
return x.ServerStream.SendMsg(m)
}
var _StateChangeSubscription_serviceDesc = grpc.ServiceDesc{
ServiceName: "subscribe.StateChangeSubscription",
HandlerType: (*StateChangeSubscriptionServer)(nil),
Methods: []grpc.MethodDesc{},
Streams: []grpc.StreamDesc{
{
StreamName: "Subscribe",
Handler: _StateChangeSubscription_Subscribe_Handler,
ServerStreams: true,
},
},
Metadata: "proto/pbsubscribe/subscribe.proto",
}