3 * Copyright 2016 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #ifndef GRPCPP_HEALTH_CHECK_SERVICE_INTERFACE_H
20 #define GRPCPP_HEALTH_CHECK_SERVICE_INTERFACE_H
22 #include <grpcpp/support/config.h>
26 const char kHealthCheckServiceInterfaceArg[] =
27 "grpc.health_check_service_interface";
29 /// The gRPC server uses this interface to expose the health checking service
30 /// without depending on protobuf.
31 class HealthCheckServiceInterface {
33 virtual ~HealthCheckServiceInterface() {}
35 /// Set or change the serving status of the given \a service_name.
36 virtual void SetServingStatus(const grpc::string& service_name,
38 /// Apply to all registered service names.
39 virtual void SetServingStatus(bool serving) = 0;
41 /// Set all registered service names to not serving and prevent future
43 virtual void Shutdown() {}
46 /// Enable/disable the default health checking service. This applies to all C++
47 /// servers created afterwards. For each server, user can override the default
48 /// with a HealthCheckServiceServerBuilderOption.
50 void EnableDefaultHealthCheckService(bool enable);
52 /// Returns whether the default health checking service is enabled.
54 bool DefaultHealthCheckServiceEnabled();
58 #endif // GRPCPP_HEALTH_CHECK_SERVICE_INTERFACE_H