| // Copyright Istio 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 loadbalancer |
| |
| import ( |
| mesh2 "github.com/apache/dubbo-go-pixiu/pkg/test/loadbalancersim/mesh" |
| ) |
| |
| type PrioritySelector func(src *mesh2.Client, dest *mesh2.Node) uint32 |
| |
| func LocalityPrioritySelector(src *mesh2.Client, dest *mesh2.Node) uint32 { |
| priority := uint32(2) |
| if src.Locality().Region == dest.Locality().Region { |
| priority = 1 |
| if src.Locality().Zone == dest.Locality().Zone { |
| priority = 0 |
| } |
| } |
| return priority |
| } |