| /* |
| * |
| * Copyright 2016, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPCXX_IMPL_CODEGEN_GRPC_LIBRARY_H |
| #define GRPCXX_IMPL_CODEGEN_GRPC_LIBRARY_H |
| |
| #include <grpc++/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 |
| /// <grpc++/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 // GRPCXX_IMPL_CODEGEN_GRPC_LIBRARY_H |