| /* |
| * 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 etcdv3 |
| |
| import ( |
| "sync" |
| "time" |
| ) |
| |
| import ( |
| gxetcd "github.com/dubbogo/gost/database/kv/etcd/v3" |
| "github.com/dubbogo/gost/log/logger" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common" |
| ) |
| |
| type clientFacade interface { |
| Client() *gxetcd.Client |
| SetClient(client *gxetcd.Client) |
| ClientLock() *sync.Mutex |
| WaitGroup() *sync.WaitGroup // for wait group control, etcd client listener & etcd client container |
| Done() chan struct{} // for etcd client control |
| RestartCallBack() bool |
| common.Node |
| } |
| |
| // HandleClientRestart keeps the connection between client and server |
| // This method should be used only once. You can use handleClientRestart() in package registry. |
| func HandleClientRestart(r clientFacade) { |
| defer r.WaitGroup().Done() |
| for { |
| select { |
| case <-r.Client().GetCtx().Done(): |
| r.RestartCallBack() |
| // re-register all services |
| time.Sleep(10 * time.Microsecond) |
| case <-r.Done(): |
| logger.Warnf("(ETCDV3ProviderRegistry)reconnectETCDV3 goroutine exit now...") |
| return |
| } |
| } |
| } |