| /* |
| * |
| * Copyright 2016 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H |
| #define GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H |
| |
| #include <grpcpp/impl/codegen/core_codegen_interface.h> |
| |
| namespace grpc { |
| |
| class GrpcLibraryInterface { |
| public: |
| virtual ~GrpcLibraryInterface() = default; |
| virtual void init() = 0; |
| virtual void shutdown() = 0; |
| }; |
| |
| /// Initialized by \a grpc::GrpcLibraryInitializer from |
| /// <grpcpp/impl/grpc_library.h> |
| extern GrpcLibraryInterface* g_glip; |
| |
| /// Classes that require gRPC to be initialized should inherit from this class. |
| class GrpcLibraryCodegen { |
| public: |
| GrpcLibraryCodegen(bool call_grpc_init = true) : grpc_init_called_(false) { |
| if (call_grpc_init) { |
| GPR_CODEGEN_ASSERT(g_glip && |
| "gRPC library not initialized. See " |
| "grpc::internal::GrpcLibraryInitializer."); |
| g_glip->init(); |
| grpc_init_called_ = true; |
| } |
| } |
| virtual ~GrpcLibraryCodegen() { |
| if (grpc_init_called_) { |
| GPR_CODEGEN_ASSERT(g_glip && |
| "gRPC library not initialized. See " |
| "grpc::internal::GrpcLibraryInitializer."); |
| g_glip->shutdown(); |
| } |
| } |
| |
| private: |
| bool grpc_init_called_; |
| }; |
| |
| } // namespace grpc |
| |
| #endif // GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H |