| /* |
| * |
| * 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 |
| } |