✨ Stream controller with client register/unregister events

pkg/internal/services/connections.go

@@ -1,9 +1,13 @@
 package services
 
 import (
+	"context"
 	"sync"
 
+	"git.solsynth.dev/hydrogen/dealer/pkg/hyper"
+	"git.solsynth.dev/hydrogen/dealer/pkg/internal/directory"
 	"git.solsynth.dev/hydrogen/dealer/pkg/internal/models"
+	"git.solsynth.dev/hydrogen/dealer/pkg/proto"
 	"github.com/gofiber/contrib/websocket"
 )
 
@@ -19,6 +23,14 @@ func ClientRegister(user models.Account, conn *websocket.Conn) {
 	}
 	wsConn[user.ID][conn] = true
 	wsMutex.Unlock()
+
+	pc, err := directory.GetServiceInstanceByType(hyper.ServiceTypeAuthProvider).GetGrpcConn()
+	if err == nil {
+		proto.NewStreamControllerClient(pc).EmitStreamEvent(context.Background(), &proto.StreamEventRequest{
+			Event:  "ClientRegister",
+			UserId: uint64(user.ID),
+		})
+	}
 }
 
 func ClientUnregister(user models.Account, conn *websocket.Conn) {
@@ -28,6 +40,14 @@ func ClientUnregister(user models.Account, conn *websocket.Conn) {
 	}
 	delete(wsConn[user.ID], conn)
 	wsMutex.Unlock()
+
+	pc, err := directory.GetServiceInstanceByType(hyper.ServiceTypeAuthProvider).GetGrpcConn()
+	if err == nil {
+		proto.NewStreamControllerClient(pc).EmitStreamEvent(context.Background(), &proto.StreamEventRequest{
+			Event:  "ClientUnregister",
+			UserId: uint64(user.ID),
+		})
+	}
 }
 
 func ClientCount(uid uint) int {

pkg/proto/stream.pb.go

@@ -287,6 +287,99 @@ func (x *PushStreamResponse) GetFailedCount() int64 {
 	return 0
 }
 
+type StreamEventRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Event  string `protobuf:"bytes,1,opt,name=event,proto3" json:"event,omitempty"`
+	UserId uint64 `protobuf:"varint,2,opt,name=user_id,json=userId,proto3" json:"user_id,omitempty"`
+}
+
+func (x *StreamEventRequest) Reset() {
+	*x = StreamEventRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stream_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StreamEventRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StreamEventRequest) ProtoMessage() {}
+
+func (x *StreamEventRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_stream_proto_msgTypes[5]
+	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 StreamEventRequest.ProtoReflect.Descriptor instead.
+func (*StreamEventRequest) Descriptor() ([]byte, []int) {
+	return file_stream_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *StreamEventRequest) GetEvent() string {
+	if x != nil {
+		return x.Event
+	}
+	return ""
+}
+
+func (x *StreamEventRequest) GetUserId() uint64 {
+	if x != nil {
+		return x.UserId
+	}
+	return 0
+}
+
+type StreamEventResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *StreamEventResponse) Reset() {
+	*x = StreamEventResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stream_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StreamEventResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StreamEventResponse) ProtoMessage() {}
+
+func (x *StreamEventResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_stream_proto_msgTypes[6]
+	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 StreamEventResponse.ProtoReflect.Descriptor instead.
+func (*StreamEventResponse) Descriptor() ([]byte, []int) {
+	return file_stream_proto_rawDescGZIP(), []int{6}
+}
+
 var File_stream_proto protoreflect.FileDescriptor
 
 var file_stream_proto_rawDesc = []byte{
@@ -314,24 +407,35 @@ var file_stream_proto_rawDesc = []byte{
 	0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0d, 0x61, 0x66, 0x66, 0x65, 0x63, 0x74, 0x65,
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+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -346,23 +450,27 @@ func file_stream_proto_rawDescGZIP() []byte {
 	return file_stream_proto_rawDescData
 }
 
-var file_stream_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_stream_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_stream_proto_goTypes = []any{
 	(*CountConnectionRequest)(nil),  // 0: proto.CountConnectionRequest
 	(*CountConnectionResponse)(nil), // 1: proto.CountConnectionResponse
 	(*PushStreamRequest)(nil),       // 2: proto.PushStreamRequest
 	(*PushStreamBatchRequest)(nil),  // 3: proto.PushStreamBatchRequest
 	(*PushStreamResponse)(nil),      // 4: proto.PushStreamResponse
+	(*StreamEventRequest)(nil),      // 5: proto.StreamEventRequest
+	(*StreamEventResponse)(nil),     // 6: proto.StreamEventResponse
 }
 var file_stream_proto_depIdxs = []int32{
 	0, // 0: proto.StreamController.CountStreamConnection:input_type -> proto.CountConnectionRequest
 	2, // 1: proto.StreamController.PushStream:input_type -> proto.PushStreamRequest
 	3, // 2: proto.StreamController.PushStreamBatch:input_type -> proto.PushStreamBatchRequest
-	1, // 3: proto.StreamController.CountStreamConnection:output_type -> proto.CountConnectionResponse
+	5, // 3: proto.StreamController.EmitStreamEvent:input_type -> proto.StreamEventRequest
-	4, // 4: proto.StreamController.PushStream:output_type -> proto.PushStreamResponse
+	1, // 4: proto.StreamController.CountStreamConnection:output_type -> proto.CountConnectionResponse
-	4, // 5: proto.StreamController.PushStreamBatch:output_type -> proto.PushStreamResponse
+	4, // 5: proto.StreamController.PushStream:output_type -> proto.PushStreamResponse
-	3, // [3:6] is the sub-list for method output_type
+	4, // 6: proto.StreamController.PushStreamBatch:output_type -> proto.PushStreamResponse
-	0, // [0:3] is the sub-list for method input_type
+	6, // 7: proto.StreamController.EmitStreamEvent:output_type -> proto.StreamEventResponse
+	4, // [4:8] is the sub-list for method output_type
+	0, // [0:4] is the sub-list for method input_type
 	0, // [0:0] is the sub-list for extension type_name
 	0, // [0:0] is the sub-list for extension extendee
 	0, // [0:0] is the sub-list for field type_name
@@ -434,6 +542,30 @@ func file_stream_proto_init() {
 				return nil
 			}
 		}
+		file_stream_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*StreamEventRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_stream_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*StreamEventResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -441,7 +573,7 @@ func file_stream_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_stream_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

pkg/proto/stream.proto

@@ -8,6 +8,7 @@ service StreamController {
   rpc CountStreamConnection(CountConnectionRequest) returns (CountConnectionResponse) {}
   rpc PushStream(PushStreamRequest) returns (PushStreamResponse) {}
   rpc PushStreamBatch(PushStreamBatchRequest) returns (PushStreamResponse) {}
+  rpc EmitStreamEvent(StreamEventRequest) returns (StreamEventResponse) {}
 }
 
 message CountConnectionRequest {
@@ -33,3 +34,11 @@ message PushStreamResponse {
   int64 affected_count = 2;
   int64 failed_count = 3;
 }
+
+message StreamEventRequest {
+  string event = 1;
+  uint64 user_id = 2;
+}
+
+message StreamEventResponse {
+}

pkg/proto/stream_grpc.pb.go

@@ -22,6 +22,7 @@ const (
 	StreamController_CountStreamConnection_FullMethodName = "/proto.StreamController/CountStreamConnection"
 	StreamController_PushStream_FullMethodName            = "/proto.StreamController/PushStream"
 	StreamController_PushStreamBatch_FullMethodName       = "/proto.StreamController/PushStreamBatch"
+	StreamController_EmitStreamEvent_FullMethodName       = "/proto.StreamController/EmitStreamEvent"
 )
 
 // StreamControllerClient is the client API for StreamController service.
@@ -31,6 +32,7 @@ type StreamControllerClient interface {
 	CountStreamConnection(ctx context.Context, in *CountConnectionRequest, opts ...grpc.CallOption) (*CountConnectionResponse, error)
 	PushStream(ctx context.Context, in *PushStreamRequest, opts ...grpc.CallOption) (*PushStreamResponse, error)
 	PushStreamBatch(ctx context.Context, in *PushStreamBatchRequest, opts ...grpc.CallOption) (*PushStreamResponse, error)
+	EmitStreamEvent(ctx context.Context, in *StreamEventRequest, opts ...grpc.CallOption) (*StreamEventResponse, error)
 }
 
 type streamControllerClient struct {
@@ -71,6 +73,16 @@ func (c *streamControllerClient) PushStreamBatch(ctx context.Context, in *PushSt
 	return out, nil
 }
 
+func (c *streamControllerClient) EmitStreamEvent(ctx context.Context, in *StreamEventRequest, opts ...grpc.CallOption) (*StreamEventResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(StreamEventResponse)
+	err := c.cc.Invoke(ctx, StreamController_EmitStreamEvent_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // StreamControllerServer is the server API for StreamController service.
 // All implementations must embed UnimplementedStreamControllerServer
 // for forward compatibility
@@ -78,6 +90,7 @@ type StreamControllerServer interface {
 	CountStreamConnection(context.Context, *CountConnectionRequest) (*CountConnectionResponse, error)
 	PushStream(context.Context, *PushStreamRequest) (*PushStreamResponse, error)
 	PushStreamBatch(context.Context, *PushStreamBatchRequest) (*PushStreamResponse, error)
+	EmitStreamEvent(context.Context, *StreamEventRequest) (*StreamEventResponse, error)
 	mustEmbedUnimplementedStreamControllerServer()
 }
 
@@ -94,6 +107,9 @@ func (UnimplementedStreamControllerServer) PushStream(context.Context, *PushStre
 func (UnimplementedStreamControllerServer) PushStreamBatch(context.Context, *PushStreamBatchRequest) (*PushStreamResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method PushStreamBatch not implemented")
 }
+func (UnimplementedStreamControllerServer) EmitStreamEvent(context.Context, *StreamEventRequest) (*StreamEventResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method EmitStreamEvent not implemented")
+}
 func (UnimplementedStreamControllerServer) mustEmbedUnimplementedStreamControllerServer() {}
 
 // UnsafeStreamControllerServer may be embedded to opt out of forward compatibility for this service.
@@ -161,6 +177,24 @@ func _StreamController_PushStreamBatch_Handler(srv interface{}, ctx context.Cont
 	return interceptor(ctx, in, info, handler)
 }
 
+func _StreamController_EmitStreamEvent_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StreamEventRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StreamControllerServer).EmitStreamEvent(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StreamController_EmitStreamEvent_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StreamControllerServer).EmitStreamEvent(ctx, req.(*StreamEventRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // StreamController_ServiceDesc is the grpc.ServiceDesc for StreamController service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -180,6 +214,10 @@ var StreamController_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "PushStreamBatch",
 			Handler:    _StreamController_PushStreamBatch_Handler,
 		},
+		{
+			MethodName: "EmitStreamEvent",
+			Handler:    _StreamController_EmitStreamEvent_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "stream.proto",