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			70 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
| /*
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|  *
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|  * Copyright 2020 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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| 
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| package clusterimpl
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| 
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| import (
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| 	"encoding/json"
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| 
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| 	internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
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| 	"google.golang.org/grpc/internal/xds/bootstrap"
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| 	"google.golang.org/grpc/serviceconfig"
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| )
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| 
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| // DropConfig contains the category, and drop ratio.
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| type DropConfig struct {
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| 	Category           string
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| 	RequestsPerMillion uint32
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| }
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| 
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| // LBConfig is the balancer config for cluster_impl balancer.
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| type LBConfig struct {
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| 	serviceconfig.LoadBalancingConfig `json:"-"`
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| 
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| 	Cluster        string `json:"cluster,omitempty"`
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| 	EDSServiceName string `json:"edsServiceName,omitempty"`
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| 	// LoadReportingServer is the LRS server to send load reports to. If not
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| 	// present, load reporting will be disabled.
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| 	LoadReportingServer   *bootstrap.ServerConfig `json:"lrsLoadReportingServer,omitempty"`
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| 	MaxConcurrentRequests *uint32                 `json:"maxConcurrentRequests,omitempty"`
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| 	DropCategories        []DropConfig            `json:"dropCategories,omitempty"`
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| 	// TelemetryLabels are the telemetry Labels associated with this cluster.
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| 	TelemetryLabels map[string]string                     `json:"telemetryLabels,omitempty"`
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| 	ChildPolicy     *internalserviceconfig.BalancerConfig `json:"childPolicy,omitempty"`
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| }
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| 
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| func parseConfig(c json.RawMessage) (*LBConfig, error) {
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| 	var cfg LBConfig
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| 	if err := json.Unmarshal(c, &cfg); err != nil {
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| 		return nil, err
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| 	}
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| 	return &cfg, nil
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| }
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| 
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| func equalDropCategories(a, b []DropConfig) bool {
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| 	if len(a) != len(b) {
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| 		return false
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| 	}
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| 	for i := range a {
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| 		if a[i] != b[i] {
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| 			return false
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| 		}
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| 	}
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| 	return true
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| }
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