// // Copyright 2015 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 GRPC_SRC_CORE_EXT_FILTERS_HTTP_CLIENT_HTTP_CLIENT_FILTER_H #define GRPC_SRC_CORE_EXT_FILTERS_HTTP_CLIENT_HTTP_CLIENT_FILTER_H #include #include "absl/status/statusor.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/channel_fwd.h" #include "src/core/lib/channel/promise_based_filter.h" #include "src/core/lib/slice/slice.h" #include "src/core/lib/transport/metadata_batch.h" #include "src/core/lib/transport/transport.h" namespace grpc_core { class HttpClientFilter : public ImplementChannelFilter { public: static const grpc_channel_filter kFilter; static absl::string_view TypeName() { return "http-client"; } static absl::StatusOr> Create( const ChannelArgs& args, ChannelFilter::Args filter_args); HttpClientFilter(HttpSchemeMetadata::ValueType scheme, Slice user_agent, bool test_only_use_put_requests); class Call { public: void OnClientInitialMetadata(ClientMetadata& md, HttpClientFilter* filter); absl::Status OnServerInitialMetadata(ServerMetadata& md); absl::Status OnServerTrailingMetadata(ServerMetadata& md); static const NoInterceptor OnClientToServerMessage; static const NoInterceptor OnClientToServerHalfClose; static const NoInterceptor OnServerToClientMessage; static const NoInterceptor OnFinalize; }; private: HttpSchemeMetadata::ValueType scheme_; bool test_only_use_put_requests_; Slice user_agent_; }; // A test-only channel arg to allow testing gRPC Core server behavior on PUT // requests. #define GRPC_ARG_TEST_ONLY_USE_PUT_REQUESTS "grpc.testing.use_put_requests" } // namespace grpc_core #endif // GRPC_SRC_CORE_EXT_FILTERS_HTTP_CLIENT_HTTP_CLIENT_FILTER_H