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Contents
// Copyright 2023 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_BACKEND_METRICS_BACKEND_METRIC_FILTER_H
#define GRPC_SRC_CORE_EXT_FILTERS_BACKEND_METRICS_BACKEND_METRIC_FILTER_H
#include <grpc/support/port_platform.h>
#include <string>
#include "absl/status/statusor.h"
#include "absl/types/optional.h"
#include "src/core/ext/filters/backend_metrics/backend_metric_provider.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/promise/arena_promise.h"
#include "src/core/lib/transport/transport.h"
namespace grpc_core {
class BackendMetricFilter : public ChannelFilter {
public:
static const grpc_channel_filter kFilter;
static absl::StatusOr<BackendMetricFilter> Create(const ChannelArgs& args,
ChannelFilter::Args);
// Construct a promise for one call.
ArenaPromise<ServerMetadataHandle> MakeCallPromise(
CallArgs call_args, NextPromiseFactory next_promise_factory) override;
private:
absl::optional<std::string> MaybeSerializeBackendMetrics(
BackendMetricProvider* provider) const;
};
} // namespace grpc_core
#endif // GRPC_SRC_CORE_EXT_FILTERS_BACKEND_METRICS_BACKEND_METRIC_FILTER_H
Version data entries
23 entries across 23 versions & 1 rubygems