diff options
Diffstat (limited to 'include/grpcpp/impl/codegen/grpc_library.h')
-rw-r--r-- | include/grpcpp/impl/codegen/grpc_library.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/grpcpp/impl/codegen/grpc_library.h b/include/grpcpp/impl/codegen/grpc_library.h new file mode 100644 index 0000000000..684031f5d9 --- /dev/null +++ b/include/grpcpp/impl/codegen/grpc_library.h @@ -0,0 +1,63 @@ +/* + * + * 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 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 |