| // |
| // 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 <grpc/support/port_platform.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" |
| #include "absl/status/statusor.h" |
| |
| namespace grpc_core { |
| |
| class HttpClientFilter : public ImplementChannelFilter<HttpClientFilter> { |
| public: |
| static const grpc_channel_filter kFilter; |
| |
| static absl::StatusOr<HttpClientFilter> Create( |
| const ChannelArgs& args, ChannelFilter::Args filter_args); |
| |
| 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 OnServerToClientMessage; |
| }; |
| |
| private: |
| HttpClientFilter(HttpSchemeMetadata::ValueType scheme, Slice user_agent, |
| bool test_only_use_put_requests); |
| |
| HttpSchemeMetadata::ValueType scheme_; |
| Slice user_agent_; |
| bool test_only_use_put_requests_; |
| }; |
| |
| // 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 |