| /* |
| * 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 server |
| |
| import ( |
| envoy_sd "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/dds" |
| util_xds_v3 "github.com/apache/dubbo-kubernetes/pkg/util/xds/v3" |
| ) |
| |
| // We are using go-control-plane's server and cache for DDA exchange. |
| // We are setting TypeURL for DeltaDiscoveryRequest/DeltaDiscoveryResponse for our resource name like "TrafficRoute" / "Mesh" etc. |
| // but the actual resource which we are sending is dubbo.mesh.v1alpha1.DubboResource |
| // |
| // The function which is marshaling DeltaDiscoveryResponse |
| // func (r *RawDeltaResponse) GetDeltaDiscoveryResponse() (*discovery.DeltaDiscoveryResponse, error) |
| // Ignores the TypeURL from marshaling operation and overrides it with TypeURL of the request. |
| // If we pass wrong TypeURL in envoy_api.DeltaDiscoveryResponse#Resources we won't be able to unmarshall it, therefore we need to adjust the type. |
| type typeAdjustCallbacks struct { |
| util_xds_v3.NoopCallbacks |
| } |
| |
| func (c *typeAdjustCallbacks) OnStreamDeltaResponse(streamID int64, req *envoy_sd.DeltaDiscoveryRequest, resp *envoy_sd.DeltaDiscoveryResponse) { |
| for _, res := range resp.GetResources() { |
| res.Resource.TypeUrl = dds.DubboResource |
| } |
| } |