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/*
*
* 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
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