ClientMessageDtos.proto

package EventStore.Client.Messages;

enum OperationResult
{
	Success = 0;
	PrepareTimeout = 1;
	CommitTimeout = 2;
	ForwardTimeout = 3;
	WrongExpectedVersion = 4;
	StreamDeleted = 5;
	InvalidTransaction = 6;
	AccessDenied = 7;
}

message NewEvent {
	required bytes event_id = 1;
	required string event_type = 2;
	required int32 data_content_type = 3;
	required int32 metadata_content_type = 4;
	required bytes data = 5;
	optional bytes metadata = 6;
}

message EventRecord {
	required string event_stream_id = 1;
	required int32 event_number = 2;
	required bytes event_id = 3;
	required string event_type = 4;
	required int32 data_content_type = 5;
	required int32 metadata_content_type = 6;
	required bytes data = 7;
	optional bytes metadata = 8;
	optional int64 created = 9;
	optional int64 created_epoch = 10;
}

message ResolvedIndexedEvent {
	optional EventRecord event = 1;
	optional EventRecord link = 2;
}

message ResolvedEvent {
	required EventRecord event = 1;
	optional EventRecord link = 2;
	required int64 commit_position = 3;
	required int64 prepare_position = 4;
}

message WriteEvents {
	required string event_stream_id = 1;
	required int32 expected_version = 2;
	repeated NewEvent events = 3;
	required bool require_master = 4;
}

message WriteEventsCompleted {
	required OperationResult result = 1;
	optional string message = 2;
	required int32 first_event_number = 3;
	required int32 last_event_number = 4;
	optional int64 prepare_position = 5;
	optional int64 commit_position = 6;
}

message DeleteStream {
	required string event_stream_id = 1;
	required int32 expected_version = 2;
	required bool require_master = 3;
	optional bool hard_delete = 4;
}

message DeleteStreamCompleted {
	required OperationResult result = 1;
	optional string message = 2;
	optional int64 prepare_position = 3;
	optional int64 commit_position = 4;
}

message TransactionStart {
	required string event_stream_id = 1;
	required int32 expected_version = 2;
	required bool require_master = 3;
}

message TransactionStartCompleted {
	required int64 transaction_id = 1;
	required OperationResult result = 2;
	optional string message = 3;
}

message TransactionWrite {
	required int64 transaction_id = 1;
	repeated NewEvent events = 2;
	required bool require_master = 3;
}

message TransactionWriteCompleted {
	required int64 transaction_id = 1;
	required OperationResult result = 2;
	optional string message = 3;
}

message TransactionCommit {
	required int64 transaction_id = 1;
	required bool require_master = 2;
}

message TransactionCommitCompleted {
	required int64 transaction_id = 1;
	required OperationResult result = 2;
	optional string message = 3;
	required int32 first_event_number = 4;
	required int32 last_event_number = 5;
	optional int64 prepare_position = 6;
	optional int64 commit_position = 7;
}

message ReadEvent {
	required string event_stream_id = 1;
	required int32 event_number = 2;
	required bool resolve_link_tos = 3;
	required bool require_master = 4;
}

message ReadEventCompleted {

	enum ReadEventResult {
		Success = 0;
		NotFound = 1;
		NoStream = 2;
		StreamDeleted = 3;
		Error = 4;
		AccessDenied = 5;
	}

	required ReadEventResult result = 1;
	required ResolvedIndexedEvent event = 2;

	optional string error = 3;
}

message ReadStreamEvents {
	required string event_stream_id = 1;
	required int32 from_event_number = 2;
	required int32 max_count = 3;
	required bool resolve_link_tos = 4;
	required bool require_master = 5;
}

message ReadStreamEventsCompleted {

	enum ReadStreamResult {
		Success = 0;
		NoStream = 1;
		StreamDeleted = 2;
		NotModified = 3;
		Error = 4;
		AccessDenied = 5;
	}

	repeated ResolvedIndexedEvent events = 1;
	required ReadStreamResult result = 2;
	required int32 next_event_number = 3;
	required int32 last_event_number = 4;
	required bool is_end_of_stream = 5;
	required int64 last_commit_position = 6;

	optional string error = 7;
}

message ReadAllEvents {
	required int64 commit_position = 1;
	required int64 prepare_position = 2;
	required int32 max_count = 3;
	required bool resolve_link_tos = 4;
	required bool require_master = 5;
}

message ReadAllEventsCompleted {

	enum ReadAllResult {
		Success = 0;
		NotModified = 1;
		Error = 2;
		AccessDenied = 3;
	}

	required int64 commit_position = 1;
	required int64 prepare_position = 2;
	repeated ResolvedEvent events = 3;
	required int64 next_commit_position = 4;
	required int64 next_prepare_position = 5;

	optional ReadAllResult result = 6 [default = Success];
	optional string error = 7;
}

message SubscribeToStream {
	required string event_stream_id = 1;
	required bool resolve_link_tos = 2;
}

message SubscriptionConfirmation {
	required int64 last_commit_position = 1;
	optional int32 last_event_number = 2;
}

message StreamEventAppeared {
	required ResolvedEvent event = 1;
}

message UnsubscribeFromStream {
}

message SubscriptionDropped {

	enum SubscriptionDropReason {
		Unsubscribed = 0;
		AccessDenied = 1;
	}
	
	optional SubscriptionDropReason reason = 1 [default = Unsubscribed];
}

message NotHandled {
	
	enum NotHandledReason {
		NotReady = 0;
		TooBusy = 1;
		NotMaster = 2;
	}
	
	required NotHandledReason reason = 1;
	optional bytes additional_info = 2;

	message MasterInfo {
		required string external_tcp_address = 1;
		required int32 external_tcp_port = 2;
		required string external_http_address = 3;
		required int32 external_http_port = 4;
		optional string external_secure_tcp_address = 5;
		optional int32 external_secure_tcp_port = 6;
	}
}

message ScavengeDatabase {
}

message ScavengeDatabaseCompleted {
	
	enum ScavengeResult {
		Success = 0;
		InProgress = 1;
		Failed = 2;
	}
	
	required ScavengeResult result = 1;
	optional string error = 2;
	required int32 total_time_ms = 3;
	required int64 total_space_saved = 4;
}