| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 v3 |
| |
| import ( |
| "sort" |
| ) |
| |
| import ( |
| v3 "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3" |
| ctl_cache "github.com/envoyproxy/go-control-plane/pkg/cache/v3" |
| |
| protov1 "github.com/golang/protobuf/proto" |
| |
| "google.golang.org/protobuf/types/known/anypb" |
| ) |
| |
| func ToDeltaDiscoveryResponse(s ctl_cache.Snapshot) (*v3.DeltaDiscoveryResponse, error) { |
| resp := &v3.DeltaDiscoveryResponse{} |
| for _, rs := range s.Resources { |
| for _, name := range sortedResourceNames(rs) { |
| r := rs.Items[name] |
| pbany, err := anypb.New(protov1.MessageV2(r.Resource)) |
| if err != nil { |
| return nil, err |
| } |
| resp.Resources = append(resp.Resources, &v3.Resource{ |
| Version: rs.Version, |
| Name: name, |
| Resource: pbany, |
| }) |
| } |
| } |
| return resp, nil |
| } |
| |
| func sortedResourceNames(rs ctl_cache.Resources) []string { |
| names := make([]string, 0, len(rs.Items)) |
| for name := range rs.Items { |
| names = append(names, name) |
| } |
| sort.Strings(names) |
| return names |
| } |