| /** |
| * 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 org.apache.hadoop.hdds.scm.container; |
| |
| import org.apache.hadoop.hdds.protocol.DatanodeDetails; |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.ContainerAction; |
| import org.apache.hadoop.hdds.scm.events.SCMEvents; |
| import org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher |
| .ContainerActionsFromDatanode; |
| import org.apache.hadoop.hdds.server.events.EventHandler; |
| import org.apache.hadoop.hdds.server.events.EventPublisher; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Handles container reports from datanode. |
| */ |
| public class ContainerActionsHandler implements |
| EventHandler<ContainerActionsFromDatanode> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger( |
| ContainerActionsHandler.class); |
| |
| @Override |
| public void onMessage( |
| ContainerActionsFromDatanode containerReportFromDatanode, |
| EventPublisher publisher) { |
| DatanodeDetails dd = containerReportFromDatanode.getDatanodeDetails(); |
| for (ContainerAction action : containerReportFromDatanode.getReport() |
| .getContainerActionsList()) { |
| ContainerID containerId = ContainerID.valueof(action.getContainerID()); |
| switch (action.getAction()) { |
| case CLOSE: |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Closing container {} in datanode {} because the" + |
| " container is {}.", containerId, dd, action.getReason()); |
| } |
| publisher.fireEvent(SCMEvents.CLOSE_CONTAINER, containerId); |
| break; |
| default: |
| LOG.warn("Invalid action {} with reason {}, from datanode {}. ", |
| action.getAction(), action.getReason(), dd); } |
| } |
| } |
| } |