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132 lines
5.5 KiB
132 lines
5.5 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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#ifndef GRPC_TEST_CPP_PROTO_SERVER_REFLECTION_DATABSE_H |
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#define GRPC_TEST_CPP_PROTO_SERVER_REFLECTION_DATABSE_H |
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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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// GRPC_NO_GENERATED_CODE indicates generated pb files should not be used |
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#ifdef GRPC_NO_GENERATED_CODE |
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#include "src/proto/grpc/reflection/v1alpha/reflection.grpc.pb.h" |
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#else |
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#include <grpc++/ext/reflection.grpc.pb.h> |
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#endif // GRPC_NO_GENERATED_CODE |
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#include <grpc++/grpc++.h> |
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#include <grpc++/impl/codegen/config_protobuf.h> |
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namespace grpc { |
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// ProtoReflectionDescriptorDatabase takes a stub of ServerReflection and |
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// provides the methods defined by DescriptorDatabase interfaces. It can be used |
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// to feed a DescriptorPool instance. |
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class ProtoReflectionDescriptorDatabase : public 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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// The following four methods implement DescriptorDatabase interfaces. |
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// |
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// Find a file by file name. Fills in in *output and returns true if found. |
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// Otherwise, returns false, leaving the contents of *output undefined. |
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bool FindFileByName(const string& filename, |
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protobuf::FileDescriptorProto* output) GRPC_OVERRIDE; |
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// Find the file that declares the given fully-qualified symbol name. |
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// If found, fills in *output and returns true, otherwise returns false |
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// and leaves *output undefined. |
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bool FindFileContainingSymbol(const string& symbol_name, |
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protobuf::FileDescriptorProto* output) |
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GRPC_OVERRIDE; |
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// Find the file which defines an extension extending the given message type |
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// with the given field number. If found, fills in *output and returns true, |
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// otherwise returns false and leaves *output undefined. containing_type |
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// must be a fully-qualified type name. |
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bool FindFileContainingExtension( |
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const string& containing_type, int field_number, |
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protobuf::FileDescriptorProto* output) GRPC_OVERRIDE; |
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// Finds the tag numbers used by all known extensions of |
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// extendee_type, and appends them to output in an undefined |
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// order. This method is best-effort: it's not guaranteed that the |
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// database will find all extensions, and it's not guaranteed that |
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// FindFileContainingExtension will return true on all of the found |
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// numbers. Returns true if the search was successful, otherwise |
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// returns false and leaves output unchanged. |
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bool FindAllExtensionNumbers(const string& extendee_type, |
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std::vector<int>* output) GRPC_OVERRIDE; |
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// Provide a list of full names of registered services |
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bool GetServices(std::vector<std::string>* output); |
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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 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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bool DoOneRequest( |
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const grpc::reflection::v1alpha::ServerReflectionRequest& request, |
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grpc::reflection::v1alpha::ServerReflectionResponse& response); |
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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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protobuf::SimpleDescriptorDatabase cached_db_; |
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}; |
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} // namespace grpc |
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#endif // GRPC_TEST_CPP_METRICS_SERVER_H
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