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60 lines
2.1 KiB
60 lines
2.1 KiB
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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/messages.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<TestOrcaReport>; |
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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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void RecordOobLoadReport(const grpc_core::BackendMetricData& oob_metric_data); |
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// Returns the next per-RPC load report, or nullopt if the queue is empty. |
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absl::optional<LoadReportEntry> GetNextLoadReport(); |
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LoadReportEntry WaitForOobLoadReport( |
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const std::function<bool(const TestOrcaReport&)>& predicate, |
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absl::Duration poll_timeout, size_t max_attempts); |
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private: |
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std::deque<LoadReportEntry> per_rpc_load_reports_ |
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ABSL_GUARDED_BY(load_reports_mu_); |
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std::deque<TestOrcaReport> oob_load_reports_ |
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ABSL_GUARDED_BY(load_reports_mu_); |
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grpc_core::Mutex load_reports_mu_; |
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grpc_core::CondVar load_reports_cv_ ABSL_GUARDED_BY(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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