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/*
*
* Copyright 2019 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 GRPCPP_OPENCENSUS_H
#define GRPCPP_OPENCENSUS_H
#include "opencensus/trace/span.h"
namespace grpc {
class ServerContext;
// These symbols in this file will not be included in the binary unless
// grpc_opencensus_plugin build target was added as a dependency. At the moment
// it is only setup to be built with Bazel.
// Registers the OpenCensus plugin with gRPC, so that it will be used for future
// RPCs. This must be called before any views are created.
void RegisterOpenCensusPlugin();
// RPC stats definitions, defined by
// https://github.com/census-instrumentation/opencensus-specs/blob/master/stats/gRPC.md
// Registers the cumulative gRPC views so that they will be exported by any
// registered stats exporter. For on-task stats, construct a View using the
// ViewDescriptors below.
void RegisterOpenCensusViewsForExport();
// Returns the tracing Span for the current RPC.
::opencensus::trace::Span GetSpanFromServerContext(ServerContext* context);
} // namespace grpc
#endif // GRPCPP_OPENCENSUS_H
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