3 * Copyright 2018 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #ifndef GRPC_INTERNAL_CPP_EXT_FILTERS_CENSUS_CLIENT_FILTER_H
20 #define GRPC_INTERNAL_CPP_EXT_FILTERS_CENSUS_CLIENT_FILTER_H
22 #include <grpc/support/port_platform.h>
24 #include "absl/strings/string_view.h"
25 #include "absl/time/time.h"
27 #include "src/cpp/ext/filters/census/channel_filter.h"
28 #include "src/cpp/ext/filters/census/open_census_call_tracer.h"
32 // A CallData class will be created for every grpc call within a channel. It is
33 // used to store data and methods specific to that call. CensusClientCallData is
34 // thread-compatible, however typically only 1 thread should be interacting with
36 class CensusClientCallData : public CallData {
38 grpc_error_handle Init(grpc_call_element* /* elem */,
39 const grpc_call_element_args* args) override;
44 #endif /* GRPC_INTERNAL_CPP_EXT_FILTERS_CENSUS_CLIENT_FILTER_H */