VOL-4032 heartbeat check

Change-Id: I6f33476626d2925a5bca407bb1886809fe6e881f
diff --git a/go/dmi/hw_management_service.pb.go b/go/dmi/hw_management_service.pb.go
index 861755f..f7ee729 100644
--- a/go/dmi/hw_management_service.pb.go
+++ b/go/dmi/hw_management_service.pb.go
@@ -1581,6 +1581,45 @@
 	return nil
 }
 
+type Heartbeat struct {
+	HeartbeatSignature   uint32   `protobuf:"fixed32,1,opt,name=heartbeat_signature,json=heartbeatSignature,proto3" json:"heartbeat_signature,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Heartbeat) Reset()         { *m = Heartbeat{} }
+func (m *Heartbeat) String() string { return proto.CompactTextString(m) }
+func (*Heartbeat) ProtoMessage()    {}
+func (*Heartbeat) Descriptor() ([]byte, []int) {
+	return fileDescriptor_eae902e73066286d, []int{22}
+}
+
+func (m *Heartbeat) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Heartbeat.Unmarshal(m, b)
+}
+func (m *Heartbeat) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Heartbeat.Marshal(b, m, deterministic)
+}
+func (m *Heartbeat) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Heartbeat.Merge(m, src)
+}
+func (m *Heartbeat) XXX_Size() int {
+	return xxx_messageInfo_Heartbeat.Size(m)
+}
+func (m *Heartbeat) XXX_DiscardUnknown() {
+	xxx_messageInfo_Heartbeat.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Heartbeat proto.InternalMessageInfo
+
+func (m *Heartbeat) GetHeartbeatSignature() uint32 {
+	if m != nil {
+		return m.HeartbeatSignature
+	}
+	return 0
+}
+
 func init() {
 	proto.RegisterEnum("dmi.PhysicalInventoryResponse_Reason", PhysicalInventoryResponse_Reason_name, PhysicalInventoryResponse_Reason_value)
 	proto.RegisterEnum("dmi.HWComponentInfoGetResponse_Reason", HWComponentInfoGetResponse_Reason_name, HWComponentInfoGetResponse_Reason_value)
@@ -1615,102 +1654,106 @@
 	proto.RegisterType((*GetLogLevelRequest)(nil), "dmi.GetLogLevelRequest")
 	proto.RegisterType((*GetLogLevelResponse)(nil), "dmi.GetLogLevelResponse")
 	proto.RegisterType((*GetLoggableEntitiesRequest)(nil), "dmi.GetLoggableEntitiesRequest")
+	proto.RegisterType((*Heartbeat)(nil), "dmi.Heartbeat")
 }
 
 func init() { proto.RegisterFile("dmi/hw_management_service.proto", fileDescriptor_eae902e73066286d) }
 
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+	0xa9, 0x7b, 0x17, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1766,6 +1809,8 @@
 	// Gets the configured log level for a certain entity on a certain device.
 	// If no entity is specified in the request all the entities with their log level should be returned.
 	GetLogLevel(ctx context.Context, in *GetLogLevelRequest, opts ...grpc.CallOption) (*GetLogLevelResponse, error)
+	// Performs the heartbeat check
+	HeartbeatCheck(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*Heartbeat, error)
 }
 
 type nativeHWManagementServiceClient struct {
@@ -1962,6 +2007,15 @@
 	return out, nil
 }
 
+func (c *nativeHWManagementServiceClient) HeartbeatCheck(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*Heartbeat, error) {
+	out := new(Heartbeat)
+	err := c.cc.Invoke(ctx, "/dmi.NativeHWManagementService/HeartbeatCheck", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // NativeHWManagementServiceServer is the server API for NativeHWManagementService service.
 type NativeHWManagementServiceServer interface {
 	// Initializes context for a device and sets up required states
@@ -2005,6 +2059,8 @@
 	// Gets the configured log level for a certain entity on a certain device.
 	// If no entity is specified in the request all the entities with their log level should be returned.
 	GetLogLevel(context.Context, *GetLogLevelRequest) (*GetLogLevelResponse, error)
+	// Performs the heartbeat check
+	HeartbeatCheck(context.Context, *empty.Empty) (*Heartbeat, error)
 }
 
 // UnimplementedNativeHWManagementServiceServer can be embedded to have forward compatible implementations.
@@ -2050,6 +2106,9 @@
 func (*UnimplementedNativeHWManagementServiceServer) GetLogLevel(ctx context.Context, req *GetLogLevelRequest) (*GetLogLevelResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetLogLevel not implemented")
 }
+func (*UnimplementedNativeHWManagementServiceServer) HeartbeatCheck(ctx context.Context, req *empty.Empty) (*Heartbeat, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method HeartbeatCheck not implemented")
+}
 
 func RegisterNativeHWManagementServiceServer(s *grpc.Server, srv NativeHWManagementServiceServer) {
 	s.RegisterService(&_NativeHWManagementService_serviceDesc, srv)
@@ -2298,6 +2357,24 @@
 	return interceptor(ctx, in, info, handler)
 }
 
+func _NativeHWManagementService_HeartbeatCheck_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(empty.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(NativeHWManagementServiceServer).HeartbeatCheck(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dmi.NativeHWManagementService/HeartbeatCheck",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(NativeHWManagementServiceServer).HeartbeatCheck(ctx, req.(*empty.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _NativeHWManagementService_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "dmi.NativeHWManagementService",
 	HandlerType: (*NativeHWManagementServiceServer)(nil),
@@ -2342,6 +2419,10 @@
 			MethodName: "GetLogLevel",
 			Handler:    _NativeHWManagementService_GetLogLevel_Handler,
 		},
+		{
+			MethodName: "HeartbeatCheck",
+			Handler:    _NativeHWManagementService_HeartbeatCheck_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{