| /* |
| * 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 callbacks |
| |
| import ( |
| "context" |
| "sync" |
| ) |
| |
| import ( |
| core_model "github.com/apache/dubbo-kubernetes/pkg/core/resources/model" |
| core_xds "github.com/apache/dubbo-kubernetes/pkg/core/xds" |
| ) |
| |
| type DataplaneMetadataTracker struct { |
| sync.RWMutex |
| metadataForDp map[core_model.ResourceKey]*core_xds.DataplaneMetadata |
| } |
| |
| var _ DataplaneCallbacks = &DataplaneMetadataTracker{} |
| |
| func NewDataplaneMetadataTracker() *DataplaneMetadataTracker { |
| return &DataplaneMetadataTracker{ |
| metadataForDp: map[core_model.ResourceKey]*core_xds.DataplaneMetadata{}, |
| } |
| } |
| |
| func (d *DataplaneMetadataTracker) Metadata(dpKey core_model.ResourceKey) *core_xds.DataplaneMetadata { |
| d.RLock() |
| defer d.RUnlock() |
| return d.metadataForDp[dpKey] |
| } |
| |
| func (d *DataplaneMetadataTracker) OnProxyReconnected(_ core_xds.StreamID, dpKey core_model.ResourceKey, _ context.Context, metadata core_xds.DataplaneMetadata) error { |
| d.storeMetadata(dpKey, metadata) |
| return nil |
| } |
| |
| func (d *DataplaneMetadataTracker) OnProxyConnected(_ core_xds.StreamID, dpKey core_model.ResourceKey, _ context.Context, metadata core_xds.DataplaneMetadata) error { |
| d.storeMetadata(dpKey, metadata) |
| return nil |
| } |
| |
| func (d *DataplaneMetadataTracker) storeMetadata(dpKey core_model.ResourceKey, metadata core_xds.DataplaneMetadata) { |
| d.Lock() |
| defer d.Unlock() |
| d.metadataForDp[dpKey] = &metadata |
| } |
| |
| func (d *DataplaneMetadataTracker) OnProxyDisconnected(_ context.Context, _ core_xds.StreamID, dpKey core_model.ResourceKey) { |
| d.Lock() |
| defer d.Unlock() |
| delete(d.metadataForDp, dpKey) |
| } |