test

grpc/grpc.pb.go

@@ -10,6 +10,10 @@ It is generated from these files:
 It has these top-level messages:
 	ServiceInput
 	ServiceOutput
+	EchoRequest
+	EchoResponse
+	Heartbeat
+	Empty
 */
 package gwrpc
 
@@ -34,6 +38,27 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 
+type Heartbeat_Status int32
+
+const (
+	Heartbeat_UNKNOWN Heartbeat_Status = 0
+	Heartbeat_OK      Heartbeat_Status = 1
+)
+
+var Heartbeat_Status_name = map[int32]string{
+	0: "UNKNOWN",
+	1: "OK",
+}
+var Heartbeat_Status_value = map[string]int32{
+	"UNKNOWN": 0,
+	"OK":      1,
+}
+
+func (x Heartbeat_Status) String() string {
+	return proto.EnumName(Heartbeat_Status_name, int32(x))
+}
+func (Heartbeat_Status) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{4, 0} }
+
 type ServiceInput struct {
 	ServiceName string            `protobuf:"bytes,1,opt,name=serviceName" json:"serviceName,omitempty"`
 	MethodName  string            `protobuf:"bytes,2,opt,name=methodName" json:"methodName,omitempty"`
@@ -82,9 +107,70 @@ func (m *ServiceOutput) GetResultStr() string {
 	return ""
 }
 
+type EchoRequest struct {
+	Message string `protobuf:"bytes,1,opt,name=message" json:"message,omitempty"`
+}
+
+func (m *EchoRequest) Reset()                    { *m = EchoRequest{} }
+func (m *EchoRequest) String() string            { return proto.CompactTextString(m) }
+func (*EchoRequest) ProtoMessage()               {}
+func (*EchoRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
+
+func (m *EchoRequest) GetMessage() string {
+	if m != nil {
+		return m.Message
+	}
+	return ""
+}
+
+type EchoResponse struct {
+	Message string `protobuf:"bytes,1,opt,name=message" json:"message,omitempty"`
+}
+
+func (m *EchoResponse) Reset()                    { *m = EchoResponse{} }
+func (m *EchoResponse) String() string            { return proto.CompactTextString(m) }
+func (*EchoResponse) ProtoMessage()               {}
+func (*EchoResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
+
+func (m *EchoResponse) GetMessage() string {
+	if m != nil {
+		return m.Message
+	}
+	return ""
+}
+
+type Heartbeat struct {
+	Status Heartbeat_Status `protobuf:"varint,1,opt,name=status,enum=gwrpc.Heartbeat_Status" json:"status,omitempty"`
+}
+
+func (m *Heartbeat) Reset()                    { *m = Heartbeat{} }
+func (m *Heartbeat) String() string            { return proto.CompactTextString(m) }
+func (*Heartbeat) ProtoMessage()               {}
+func (*Heartbeat) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
+
+func (m *Heartbeat) GetStatus() Heartbeat_Status {
+	if m != nil {
+		return m.Status
+	}
+	return Heartbeat_UNKNOWN
+}
+
+type Empty struct {
+}
+
+func (m *Empty) Reset()                    { *m = Empty{} }
+func (m *Empty) String() string            { return proto.CompactTextString(m) }
+func (*Empty) ProtoMessage()               {}
+func (*Empty) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
+
 func init() {
 	proto.RegisterType((*ServiceInput)(nil), "gwrpc.ServiceInput")
 	proto.RegisterType((*ServiceOutput)(nil), "gwrpc.ServiceOutput")
+	proto.RegisterType((*EchoRequest)(nil), "gwrpc.EchoRequest")
+	proto.RegisterType((*EchoResponse)(nil), "gwrpc.EchoResponse")
+	proto.RegisterType((*Heartbeat)(nil), "gwrpc.Heartbeat")
+	proto.RegisterType((*Empty)(nil), "gwrpc.Empty")
+	proto.RegisterEnum("gwrpc.Heartbeat_Status", Heartbeat_Status_name, Heartbeat_Status_value)
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -159,27 +245,259 @@ var _OverflowGateway_serviceDesc = grpc.ServiceDesc{
 	Metadata: "grpc/grpc.proto",
 }
 
+// Client API for EchoService service
+
+type EchoServiceClient interface {
+	Echo(ctx context.Context, opts ...grpc.CallOption) (EchoService_EchoClient, error)
+	Stream(ctx context.Context, in *Empty, opts ...grpc.CallOption) (EchoService_StreamClient, error)
+	Heartbeats(ctx context.Context, opts ...grpc.CallOption) (EchoService_HeartbeatsClient, error)
+}
+
+type echoServiceClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewEchoServiceClient(cc *grpc.ClientConn) EchoServiceClient {
+	return &echoServiceClient{cc}
+}
+
+func (c *echoServiceClient) Echo(ctx context.Context, opts ...grpc.CallOption) (EchoService_EchoClient, error) {
+	stream, err := grpc.NewClientStream(ctx, &_EchoService_serviceDesc.Streams[0], c.cc, "/gwrpc.EchoService/Echo", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &echoServiceEchoClient{stream}
+	return x, nil
+}
+
+type EchoService_EchoClient interface {
+	Send(*EchoRequest) error
+	Recv() (*EchoResponse, error)
+	grpc.ClientStream
+}
+
+type echoServiceEchoClient struct {
+	grpc.ClientStream
+}
+
+func (x *echoServiceEchoClient) Send(m *EchoRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *echoServiceEchoClient) Recv() (*EchoResponse, error) {
+	m := new(EchoResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *echoServiceClient) Stream(ctx context.Context, in *Empty, opts ...grpc.CallOption) (EchoService_StreamClient, error) {
+	stream, err := grpc.NewClientStream(ctx, &_EchoService_serviceDesc.Streams[1], c.cc, "/gwrpc.EchoService/Stream", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &echoServiceStreamClient{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 EchoService_StreamClient interface {
+	Recv() (*EchoResponse, error)
+	grpc.ClientStream
+}
+
+type echoServiceStreamClient struct {
+	grpc.ClientStream
+}
+
+func (x *echoServiceStreamClient) Recv() (*EchoResponse, error) {
+	m := new(EchoResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *echoServiceClient) Heartbeats(ctx context.Context, opts ...grpc.CallOption) (EchoService_HeartbeatsClient, error) {
+	stream, err := grpc.NewClientStream(ctx, &_EchoService_serviceDesc.Streams[2], c.cc, "/gwrpc.EchoService/Heartbeats", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &echoServiceHeartbeatsClient{stream}
+	return x, nil
+}
+
+type EchoService_HeartbeatsClient interface {
+	Send(*Empty) error
+	Recv() (*Heartbeat, error)
+	grpc.ClientStream
+}
+
+type echoServiceHeartbeatsClient struct {
+	grpc.ClientStream
+}
+
+func (x *echoServiceHeartbeatsClient) Send(m *Empty) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *echoServiceHeartbeatsClient) Recv() (*Heartbeat, error) {
+	m := new(Heartbeat)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// Server API for EchoService service
+
+type EchoServiceServer interface {
+	Echo(EchoService_EchoServer) error
+	Stream(*Empty, EchoService_StreamServer) error
+	Heartbeats(EchoService_HeartbeatsServer) error
+}
+
+func RegisterEchoServiceServer(s *grpc.Server, srv EchoServiceServer) {
+	s.RegisterService(&_EchoService_serviceDesc, srv)
+}
+
+func _EchoService_Echo_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(EchoServiceServer).Echo(&echoServiceEchoServer{stream})
+}
+
+type EchoService_EchoServer interface {
+	Send(*EchoResponse) error
+	Recv() (*EchoRequest, error)
+	grpc.ServerStream
+}
+
+type echoServiceEchoServer struct {
+	grpc.ServerStream
+}
+
+func (x *echoServiceEchoServer) Send(m *EchoResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *echoServiceEchoServer) Recv() (*EchoRequest, error) {
+	m := new(EchoRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _EchoService_Stream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(Empty)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(EchoServiceServer).Stream(m, &echoServiceStreamServer{stream})
+}
+
+type EchoService_StreamServer interface {
+	Send(*EchoResponse) error
+	grpc.ServerStream
+}
+
+type echoServiceStreamServer struct {
+	grpc.ServerStream
+}
+
+func (x *echoServiceStreamServer) Send(m *EchoResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _EchoService_Heartbeats_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(EchoServiceServer).Heartbeats(&echoServiceHeartbeatsServer{stream})
+}
+
+type EchoService_HeartbeatsServer interface {
+	Send(*Heartbeat) error
+	Recv() (*Empty, error)
+	grpc.ServerStream
+}
+
+type echoServiceHeartbeatsServer struct {
+	grpc.ServerStream
+}
+
+func (x *echoServiceHeartbeatsServer) Send(m *Heartbeat) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *echoServiceHeartbeatsServer) Recv() (*Empty, error) {
+	m := new(Empty)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+var _EchoService_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "gwrpc.EchoService",
+	HandlerType: (*EchoServiceServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Echo",
+			Handler:       _EchoService_Echo_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "Stream",
+			Handler:       _EchoService_Stream_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "Heartbeats",
+			Handler:       _EchoService_Heartbeats_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "grpc/grpc.proto",
+}
+
 func init() { proto.RegisterFile("grpc/grpc.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 289 bytes of a gzipped FileDescriptorProto
+	// 473 bytes of a gzipped FileDescriptorProto
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+	0xff, 0xec, 0x37, 0x72, 0xa5, 0x35, 0x03, 0x00, 0x00,
 }

grpc/grpc.pb.gw.go

@@ -42,6 +42,127 @@ func request_OverflowGateway_ExecServices_0(ctx context.Context, marshaler runti
 
 }
 
+func request_EchoService_Echo_0(ctx context.Context, marshaler runtime.Marshaler, client EchoServiceClient, req *http.Request, pathParams map[string]string) (EchoService_EchoClient, runtime.ServerMetadata, error) {
+	var metadata runtime.ServerMetadata
+	stream, err := client.Echo(ctx)
+	if err != nil {
+		grpclog.Printf("Failed to start streaming: %v", err)
+		return nil, metadata, err
+	}
+	dec := marshaler.NewDecoder(req.Body)
+	handleSend := func() error {
+		var protoReq EchoRequest
+		err = dec.Decode(&protoReq)
+		if err == io.EOF {
+			return err
+		}
+		if err != nil {
+			grpclog.Printf("Failed to decode request: %v", err)
+			return err
+		}
+		if err = stream.Send(&protoReq); err != nil {
+			grpclog.Printf("Failed to send request: %v", err)
+			return err
+		}
+		return nil
+	}
+	if err := handleSend(); err != nil {
+		if cerr := stream.CloseSend(); cerr != nil {
+			grpclog.Printf("Failed to terminate client stream: %v", cerr)
+		}
+		if err == io.EOF {
+			return stream, metadata, nil
+		}
+		return nil, metadata, err
+	}
+	go func() {
+		for {
+			if err := handleSend(); err != nil {
+				break
+			}
+		}
+		if err := stream.CloseSend(); err != nil {
+			grpclog.Printf("Failed to terminate client stream: %v", err)
+		}
+	}()
+	header, err := stream.Header()
+	if err != nil {
+		grpclog.Printf("Failed to get header from client: %v", err)
+		return nil, metadata, err
+	}
+	metadata.HeaderMD = header
+	return stream, metadata, nil
+}
+
+func request_EchoService_Stream_0(ctx context.Context, marshaler runtime.Marshaler, client EchoServiceClient, req *http.Request, pathParams map[string]string) (EchoService_StreamClient, runtime.ServerMetadata, error) {
+	var protoReq Empty
+	var metadata runtime.ServerMetadata
+
+	stream, err := client.Stream(ctx, &protoReq)
+	if err != nil {
+		return nil, metadata, err
+	}
+	header, err := stream.Header()
+	if err != nil {
+		return nil, metadata, err
+	}
+	metadata.HeaderMD = header
+	return stream, metadata, nil
+
+}
+
+func request_EchoService_Heartbeats_0(ctx context.Context, marshaler runtime.Marshaler, client EchoServiceClient, req *http.Request, pathParams map[string]string) (EchoService_HeartbeatsClient, runtime.ServerMetadata, error) {
+	var metadata runtime.ServerMetadata
+	stream, err := client.Heartbeats(ctx)
+	if err != nil {
+		grpclog.Printf("Failed to start streaming: %v", err)
+		return nil, metadata, err
+	}
+	dec := marshaler.NewDecoder(req.Body)
+	handleSend := func() error {
+		var protoReq Empty
+		err = dec.Decode(&protoReq)
+		if err == io.EOF {
+			return err
+		}
+		if err != nil {
+			grpclog.Printf("Failed to decode request: %v", err)
+			return err
+		}
+		if err = stream.Send(&protoReq); err != nil {
+			grpclog.Printf("Failed to send request: %v", err)
+			return err
+		}
+		return nil
+	}
+	if err := handleSend(); err != nil {
+		if cerr := stream.CloseSend(); cerr != nil {
+			grpclog.Printf("Failed to terminate client stream: %v", cerr)
+		}
+		if err == io.EOF {
+			return stream, metadata, nil
+		}
+		return nil, metadata, err
+	}
+	go func() {
+		for {
+			if err := handleSend(); err != nil {
+				break
+			}
+		}
+		if err := stream.CloseSend(); err != nil {
+			grpclog.Printf("Failed to terminate client stream: %v", err)
+		}
+	}()
+	header, err := stream.Header()
+	if err != nil {
+		grpclog.Printf("Failed to get header from client: %v", err)
+		return nil, metadata, err
+	}
+	metadata.HeaderMD = header
+	return stream, metadata, nil
+}
+
 // RegisterOverflowGatewayHandlerFromEndpoint is same as RegisterOverflowGatewayHandler but
 // automatically dials to "endpoint" and closes the connection when "ctx" gets done.
 func RegisterOverflowGatewayHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
@@ -85,19 +206,18 @@ func RegisterOverflowGatewayHandler(ctx context.Context, mux *runtime.ServeMux,
 			}(ctx.Done(), cn.CloseNotify())
 		}
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		rctx, err := runtime.AnnotateContext(ctx,  req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
 		if err != nil {
-			runtime.HTTPError(ctx, outboundMarshaler, w, req, err)
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
 		}
 		resp, md, err := request_OverflowGateway_ExecServices_0(rctx, inboundMarshaler, client, req, pathParams)
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
-			runtime.HTTPError(ctx, outboundMarshaler, w, req, err)
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
 			return
 		}
 
-		forward_OverflowGateway_ExecServices_0(ctx, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+		forward_OverflowGateway_ExecServices_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
 
 	})
 
@@ -111,3 +231,136 @@ var (
 var (
 	forward_OverflowGateway_ExecServices_0 = runtime.ForwardResponseMessage
 )
+
+// RegisterEchoServiceHandlerFromEndpoint is same as RegisterEchoServiceHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterEchoServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Printf("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Printf("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterEchoServiceHandler(ctx, mux, conn)
+}
+
+// RegisterEchoServiceHandler registers the http handlers for service EchoService to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterEchoServiceHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	client := NewEchoServiceClient(conn)
+
+	mux.Handle("POST", pattern_EchoService_Echo_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(ctx)
+		defer cancel()
+		if cn, ok := w.(http.CloseNotifier); ok {
+			go func(done <-chan struct{}, closed <-chan bool) {
+				select {
+				case <-done:
+				case <-closed:
+					cancel()
+				}
+			}(ctx.Done(), cn.CloseNotify())
+		}
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+		}
+		resp, md, err := request_EchoService_Echo_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_EchoService_Echo_0(ctx, mux, outboundMarshaler, w, req, func() (proto.Message, error) { return resp.Recv() }, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_EchoService_Stream_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(ctx)
+		defer cancel()
+		if cn, ok := w.(http.CloseNotifier); ok {
+			go func(done <-chan struct{}, closed <-chan bool) {
+				select {
+				case <-done:
+				case <-closed:
+					cancel()
+				}
+			}(ctx.Done(), cn.CloseNotify())
+		}
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+		}
+		resp, md, err := request_EchoService_Stream_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_EchoService_Stream_0(ctx, mux, outboundMarshaler, w, req, func() (proto.Message, error) { return resp.Recv() }, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_EchoService_Heartbeats_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(ctx)
+		defer cancel()
+		if cn, ok := w.(http.CloseNotifier); ok {
+			go func(done <-chan struct{}, closed <-chan bool) {
+				select {
+				case <-done:
+				case <-closed:
+					cancel()
+				}
+			}(ctx.Done(), cn.CloseNotify())
+		}
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+		}
+		resp, md, err := request_EchoService_Heartbeats_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_EchoService_Heartbeats_0(ctx, mux, outboundMarshaler, w, req, func() (proto.Message, error) { return resp.Recv() }, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_EchoService_Echo_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"echo"}, ""))
+
+	pattern_EchoService_Stream_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"echo"}, ""))
+
+	pattern_EchoService_Heartbeats_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"heartbeats"}, ""))
+)
+
+var (
+	forward_EchoService_Echo_0 = runtime.ForwardResponseStream
+
+	forward_EchoService_Stream_0 = runtime.ForwardResponseStream
+
+	forward_EchoService_Heartbeats_0 = runtime.ForwardResponseStream
+)

grpc/grpc.proto

@@ -21,3 +21,33 @@ service OverflowGateway {
         };
     }
 }
+
+message EchoRequest {
+    string message = 1;
+}
+
+message EchoResponse {
+    string message = 1;
+}
+
+message Heartbeat {
+    enum Status {
+        UNKNOWN = 0;
+        OK = 1;
+    }
+    Status status = 1;
+}
+
+message Empty {}
+
+service EchoService {
+    rpc Echo(stream EchoRequest) returns (stream EchoResponse) {
+        option (google.api.http) = {post: "/echo", body: "*"};
+    }
+    rpc Stream(Empty) returns (stream EchoResponse) {
+        option (google.api.http) = {get: "/echo"};
+    }
+    rpc Heartbeats(stream Empty) returns (stream Heartbeat) {
+        option (google.api.http) = {post: "/heartbeats"};
+    }
+}