| /* |
| * |
| * Copyright 2019 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 internal |
| |
| import ( |
| "fmt" |
| |
| basepb "google.golang.org/grpc/balancer/xds/internal/proto/envoy/api/v2/core/base" |
| ) |
| |
| // Locality is xds.Locality without XXX fields, so it can be used as map |
| // keys. |
| // |
| // xds.Locality cannot be map keys because one of the XXX fields is a slice. |
| // |
| // This struct should only be used as map keys. Use the proto message directly |
| // in all other places. |
| type Locality struct { |
| Region string |
| Zone string |
| SubZone string |
| } |
| |
| func (lamk Locality) String() string { |
| return fmt.Sprintf("%s-%s-%s", lamk.Region, lamk.Zone, lamk.SubZone) |
| } |
| |
| // ToProto convert Locality to the proto representation. |
| func (lamk Locality) ToProto() *basepb.Locality { |
| return &basepb.Locality{ |
| Region: lamk.Region, |
| Zone: lamk.Zone, |
| SubZone: lamk.SubZone, |
| } |
| } |