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outlier_detection.h
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outlier_detection.h
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//
// Copyright 2022 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_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_OUTLIER_DETECTION_OUTLIER_DETECTION_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_OUTLIER_DETECTION_OUTLIER_DETECTION_H
#include <grpc/support/port_platform.h>
#include <stdint.h> // for uint32_t
#include "absl/types/optional.h"
#include "src/core/lib/gprpp/time.h"
#include "src/core/lib/gprpp/validation_errors.h"
#include "src/core/lib/json/json.h"
#include "src/core/lib/json/json_args.h"
#include "src/core/lib/json/json_object_loader.h"
namespace grpc_core {
struct OutlierDetectionConfig {
Duration interval = Duration::Seconds(10);
Duration base_ejection_time = Duration::Milliseconds(30000);
Duration max_ejection_time = Duration::Milliseconds(30000);
uint32_t max_ejection_percent = 10;
struct SuccessRateEjection {
uint32_t stdev_factor = 1900;
uint32_t enforcement_percentage = 0;
uint32_t minimum_hosts = 5;
uint32_t request_volume = 100;
SuccessRateEjection() {}
bool operator==(const SuccessRateEjection& other) const {
return stdev_factor == other.stdev_factor &&
enforcement_percentage == other.enforcement_percentage &&
minimum_hosts == other.minimum_hosts &&
request_volume == other.request_volume;
}
static const JsonLoaderInterface* JsonLoader(const JsonArgs&);
void JsonPostLoad(const Json&, const JsonArgs&, ValidationErrors* errors);
};
struct FailurePercentageEjection {
uint32_t threshold = 85;
uint32_t enforcement_percentage = 0;
uint32_t minimum_hosts = 5;
uint32_t request_volume = 50;
FailurePercentageEjection() {}
bool operator==(const FailurePercentageEjection& other) const {
return threshold == other.threshold &&
enforcement_percentage == other.enforcement_percentage &&
minimum_hosts == other.minimum_hosts &&
request_volume == other.request_volume;
}
static const JsonLoaderInterface* JsonLoader(const JsonArgs&);
void JsonPostLoad(const Json&, const JsonArgs&, ValidationErrors* errors);
};
absl::optional<SuccessRateEjection> success_rate_ejection;
absl::optional<FailurePercentageEjection> failure_percentage_ejection;
bool operator==(const OutlierDetectionConfig& other) const {
return interval == other.interval &&
base_ejection_time == other.base_ejection_time &&
max_ejection_time == other.max_ejection_time &&
max_ejection_percent == other.max_ejection_percent &&
success_rate_ejection == other.success_rate_ejection &&
failure_percentage_ejection == other.failure_percentage_ejection;
}
static const JsonLoaderInterface* JsonLoader(const JsonArgs&);
void JsonPostLoad(const Json& json, const JsonArgs&,
ValidationErrors* errors);
};
} // namespace grpc_core
#endif // GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_OUTLIER_DETECTION_OUTLIER_DETECTION_H