001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.replication.regionserver; 019 020import org.apache.hadoop.hbase.executor.EventType; 021import org.apache.hadoop.hbase.procedure2.BaseRSProcedureCallable; 022import org.apache.yetus.audience.InterfaceAudience; 023import org.slf4j.Logger; 024import org.slf4j.LoggerFactory; 025 026import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException; 027 028import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.PeerModificationType; 029import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RefreshPeerParameter; 030 031/** 032 * The callable executed at RS side to refresh the peer config/state. <br/> 033 */ 034@InterfaceAudience.Private 035public class RefreshPeerCallable extends BaseRSProcedureCallable { 036 037 private static final Logger LOG = LoggerFactory.getLogger(RefreshPeerCallable.class); 038 039 private String peerId; 040 041 private PeerModificationType type; 042 043 @Override 044 protected void doCall() throws Exception { 045 LOG.info("Received a peer change event, peerId=" + peerId + ", type=" + type); 046 PeerProcedureHandler handler = rs.getReplicationSourceService().getPeerProcedureHandler(); 047 switch (type) { 048 case ADD_PEER: 049 handler.addPeer(this.peerId); 050 break; 051 case REMOVE_PEER: 052 handler.removePeer(this.peerId); 053 break; 054 case ENABLE_PEER: 055 handler.enablePeer(this.peerId); 056 break; 057 case DISABLE_PEER: 058 handler.disablePeer(this.peerId); 059 break; 060 case UPDATE_PEER_CONFIG: 061 handler.updatePeerConfig(this.peerId); 062 break; 063 default: 064 throw new IllegalArgumentException("Unknown peer modification type: " + type); 065 } 066 } 067 068 @Override 069 protected void initParameter(byte[] parameter) throws InvalidProtocolBufferException { 070 RefreshPeerParameter param = RefreshPeerParameter.parseFrom(parameter); 071 this.peerId = param.getPeerId(); 072 this.type = param.getType(); 073 } 074 075 @Override 076 public EventType getEventType() { 077 return EventType.RS_REFRESH_PEER; 078 } 079}