third_party/grpc/src/core/ext/filters/census/grpc_context.cc

/*
 *
 * 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.
 *
 */

#include <grpc/support/port_platform.h>

#include <grpc/census.h>
#include <grpc/grpc.h>
#include "src/core/lib/surface/api_trace.h"
#include "src/core/lib/surface/call.h"

void grpc_census_call_set_context(grpc_call* call, census_context* context) {
  GRPC_API_TRACE("grpc_census_call_set_context(call=%p, census_context=%p)", 2,
                 (call, context));
  if (context != nullptr) {
    grpc_call_context_set(call, GRPC_CONTEXT_TRACING, context, nullptr);
  }
}

census_context* grpc_census_call_get_context(grpc_call* call) {
  GRPC_API_TRACE("grpc_census_call_get_context(call=%p)", 1, (call));
  return static_cast<census_context*>(
      grpc_call_context_get(call, GRPC_CONTEXT_TRACING));
}