mirror of https://github.com/grpc/grpc.git
Remove `include/grpcpp/impl/codegen/metadata_map.h` (#31531)
* Remove `include/grpcpp/impl/codegen/metadata_map.h` * Automated change: Fix sanity testspull/31734/head
Cheng-Yu Chung
2 years ago
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GitHub
parent
15c4a98bc7
commit
e83d69bdf2
14 changed files with 121 additions and 87 deletions
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/*
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* |
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* Copyright 2015 gRPC authors. |
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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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* |
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*/ |
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#ifndef GRPCPP_IMPL_METADATA_MAP_H |
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#define GRPCPP_IMPL_METADATA_MAP_H |
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#include <map> |
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#include <grpc/support/log.h> |
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#include <grpcpp/support/slice.h> |
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namespace grpc { |
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namespace internal { |
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const char kBinaryErrorDetailsKey[] = "grpc-status-details-bin"; |
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class MetadataMap { |
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public: |
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MetadataMap() { Setup(); } |
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~MetadataMap() { Destroy(); } |
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std::string GetBinaryErrorDetails() { |
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// if filled_, extract from the multimap for O(log(n))
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if (filled_) { |
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auto iter = map_.find(kBinaryErrorDetailsKey); |
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if (iter != map_.end()) { |
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return std::string(iter->second.begin(), iter->second.length()); |
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} |
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} |
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// if not yet filled, take the O(n) lookup to avoid allocating the
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// multimap until it is requested.
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// TODO(ncteisen): plumb this through core as a first class object, just
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// like code and message.
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else { |
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for (size_t i = 0; i < arr_.count; i++) { |
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if (strncmp(reinterpret_cast<const char*>( |
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GRPC_SLICE_START_PTR(arr_.metadata[i].key)), |
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kBinaryErrorDetailsKey, |
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GRPC_SLICE_LENGTH(arr_.metadata[i].key)) == 0) { |
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return std::string(reinterpret_cast<const char*>( |
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GRPC_SLICE_START_PTR(arr_.metadata[i].value)), |
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GRPC_SLICE_LENGTH(arr_.metadata[i].value)); |
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} |
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} |
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} |
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return std::string(); |
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} |
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std::multimap<grpc::string_ref, grpc::string_ref>* map() { |
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FillMap(); |
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return &map_; |
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} |
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grpc_metadata_array* arr() { return &arr_; } |
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void Reset() { |
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filled_ = false; |
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map_.clear(); |
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Destroy(); |
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Setup(); |
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} |
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private: |
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bool filled_ = false; |
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grpc_metadata_array arr_; |
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std::multimap<grpc::string_ref, grpc::string_ref> map_; |
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void Destroy() { |
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g_core_codegen_interface->grpc_metadata_array_destroy(&arr_); |
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} |
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void Setup() { memset(&arr_, 0, sizeof(arr_)); } |
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void FillMap() { |
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if (filled_) return; |
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filled_ = true; |
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for (size_t i = 0; i < arr_.count; i++) { |
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// TODO(yangg) handle duplicates?
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map_.insert(std::pair<grpc::string_ref, grpc::string_ref>( |
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StringRefFromSlice(&arr_.metadata[i].key), |
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StringRefFromSlice(&arr_.metadata[i].value))); |
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} |
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} |
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}; |
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} // namespace internal
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} // namespace grpc
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#endif // GRPCPP_IMPL_METADATA_MAP_H
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