mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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106 lines
3.9 KiB
106 lines
3.9 KiB
/* |
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* |
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* Copyright 2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <mutex> |
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#include <unordered_map> |
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#include <unordered_set> |
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#include <vector> |
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#include <google/protobuf/descriptor.h> |
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#include <google/protobuf/descriptor.pb.h> |
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#include <google/protobuf/descriptor_database.h> |
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#include <grpc++/grpc++.h> |
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#include <grpc++/impl/reflection.grpc.pb.h> |
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namespace grpc { |
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class ProtoReflectionDescriptorDatabase |
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: public google::protobuf::DescriptorDatabase { |
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public: |
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explicit ProtoReflectionDescriptorDatabase( |
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std::unique_ptr<reflection::v1alpha::ServerReflection::Stub> stub); |
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explicit ProtoReflectionDescriptorDatabase( |
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std::shared_ptr<grpc::Channel> channel); |
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virtual ~ProtoReflectionDescriptorDatabase(); |
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// DescriptorDatabase methods |
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bool FindFileByName(const string& filename, |
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google::protobuf::FileDescriptorProto* output) |
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GRPC_OVERRIDE; |
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bool FindFileContainingSymbol(const string& symbol_name, |
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google::protobuf::FileDescriptorProto* output) |
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GRPC_OVERRIDE; |
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bool FindFileContainingExtension( |
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const string& containing_type, int field_number, |
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google::protobuf::FileDescriptorProto* output) GRPC_OVERRIDE; |
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bool FindAllExtensionNumbers(const string& extendee_type, |
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std::vector<int>* output) GRPC_OVERRIDE; |
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bool GetServices(std::vector<std::string>* output); |
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grpc::reflection::v1alpha::ServerReflection::Stub* stub() { |
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return stub_.get(); |
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} |
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private: |
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typedef ClientReaderWriter< |
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grpc::reflection::v1alpha::ServerReflectionRequest, |
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grpc::reflection::v1alpha::ServerReflectionResponse> |
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ClientStream; |
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const google::protobuf::FileDescriptorProto ParseFileDescriptorProtoResponse( |
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const std::string& byte_fd_proto); |
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void AddFileFromResponse( |
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const grpc::reflection::v1alpha::FileDescriptorResponse& response); |
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const std::shared_ptr<ClientStream> GetStream(); |
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std::shared_ptr<ClientStream> stream_; |
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grpc::ClientContext ctx_; |
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std::unique_ptr<grpc::reflection::v1alpha::ServerReflection::Stub> stub_; |
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std::unordered_set<string> known_files_; |
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std::unordered_set<string> missing_symbols_; |
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std::unordered_map<string, std::unordered_set<int>> missing_extensions_; |
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std::unordered_map<string, std::vector<int>> cached_extension_numbers_; |
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std::mutex stream_mutex_; |
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google::protobuf::SimpleDescriptorDatabase cached_db_; |
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}; |
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} // namespace grpc
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