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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96 lines
3.5 KiB
96 lines
3.5 KiB
9 years ago
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/*
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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 <memory>
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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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// #include "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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const google::protobuf::FileDescriptorProto ParseFileDescriptorProtoResponse(
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reflection::v1alpha::FileDescriptorProtoResponse* response);
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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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google::protobuf::SimpleDescriptorDatabase cached_db_;
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};
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} // namespace grpc
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