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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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54 lines
1.7 KiB
54 lines
1.7 KiB
2 years ago
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//
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//
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// Copyright 2023 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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#ifndef GRPC_TEST_CPP_INTEROP_BACKEND_METRICS_LB_POLICY_H
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#define GRPC_TEST_CPP_INTEROP_BACKEND_METRICS_LB_POLICY_H
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#include <grpc/support/port_platform.h>
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#include <grpcpp/support/channel_arguments.h>
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#include "src/core/lib/config/core_configuration.h"
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#include "src/proto/grpc/testing/xds/v3/orca_load_report.pb.h"
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namespace grpc {
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namespace testing {
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class LoadReportTracker {
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public:
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// A load report, or nullopt if the call had no load report.
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using LoadReportEntry = absl::optional<xds::data::orca::v3::OrcaLoadReport>;
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ChannelArguments GetChannelArguments();
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void ResetCollectedLoadReports();
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void RecordPerRpcLoadReport(
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const grpc_core::BackendMetricData* backend_metric_data);
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// Returns the next load report, or nullopt if the queue is empty.
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absl::optional<LoadReportEntry> GetNextLoadReport();
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private:
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std::deque<LoadReportEntry> per_rpc_load_reports_
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ABSL_GUARDED_BY(per_rpc_load_reports_mu_);
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absl::Mutex per_rpc_load_reports_mu_;
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};
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void RegisterBackendMetricsLbPolicy(
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grpc_core::CoreConfiguration::Builder* builder);
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} // namespace testing
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} // namespace grpc
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#endif // GRPC_TEST_CPP_INTEROP_BACKEND_METRICS_LB_POLICY_H
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