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65 lines
2.0 KiB
65 lines
2.0 KiB
7 years ago
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// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H
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#define GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H
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#include <typeinfo>
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#include <grpcpp/impl/codegen/core_codegen_interface.h>
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namespace grpc {
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class GrpcLibraryInterface {
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public:
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virtual ~GrpcLibraryInterface() = default;
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virtual void init() = 0;
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virtual void shutdown() = 0;
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};
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/// Initialized by \a grpc::GrpcLibraryInitializer from
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/// <grpcpp/impl/grpc_library.h>
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extern GrpcLibraryInterface* g_glip;
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/// Classes that require gRPC to be initialized should inherit from this class.
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class GrpcLibraryCodegen {
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public:
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GrpcLibraryCodegen(bool call_grpc_init = true) : grpc_init_called_(false) {
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if (call_grpc_init) {
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GPR_CODEGEN_ASSERT(g_glip &&
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"gRPC library not initialized. See "
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"grpc::internal::GrpcLibraryInitializer.");
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g_glip->init();
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grpc_init_called_ = true;
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}
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}
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virtual ~GrpcLibraryCodegen() {
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if (grpc_init_called_ &&
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typeid(*g_glip).hash_code() !=
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typeid(GrpcLibraryInterface).hash_code()) {
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GPR_CODEGEN_ASSERT(g_glip &&
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"gRPC library not initialized. See "
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"grpc::internal::GrpcLibraryInitializer.");
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g_glip->shutdown();
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}
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}
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private:
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bool grpc_init_called_;
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};
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} // namespace grpc
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#endif // GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H
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