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/*
*
* Copyright 2020 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.
*
*/
package weightedtarget
import (
"encoding/json"
internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
"google.golang.org/grpc/serviceconfig"
)
// Target represents one target with the weight and the child policy.
type Target struct {
// Weight is the weight of the child policy.
Weight uint32 `json:"weight,omitempty"`
// ChildPolicy is the child policy and it's config.
ChildPolicy *internalserviceconfig.BalancerConfig `json:"childPolicy,omitempty"`
}
// LBConfig is the balancer config for weighted_target.
type LBConfig struct {
serviceconfig.LoadBalancingConfig `json:"-"`
Targets map[string]Target `json:"targets,omitempty"`
}
func parseConfig(c json.RawMessage) (*LBConfig, error) {
var cfg LBConfig
if err := json.Unmarshal(c, &cfg); err != nil {
return nil, err
}
return &cfg, nil
}
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