| // 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 com.cloud.storage.download; |
| |
| import org.apache.log4j.Level; |
| |
| import org.apache.cloudstack.storage.command.DownloadProgressCommand.RequestType; |
| |
| import com.cloud.agent.api.storage.DownloadAnswer; |
| import com.cloud.storage.VMTemplateStorageResourceAssoc.Status; |
| |
| public class DownloadErrorState extends DownloadInactiveState { |
| |
| public DownloadErrorState(DownloadListener dl) { |
| super(dl); |
| } |
| |
| @Override |
| public String handleAnswer(DownloadAnswer answer) { |
| switch (answer.getDownloadStatus()) { |
| case DOWNLOAD_IN_PROGRESS: |
| getDownloadListener().scheduleStatusCheck(RequestType.GET_STATUS); |
| return Status.DOWNLOAD_IN_PROGRESS.toString(); |
| case DOWNLOADED: |
| getDownloadListener().scheduleImmediateStatusCheck(RequestType.PURGE); |
| getDownloadListener().cancelTimeoutTask(); |
| return Status.DOWNLOADED.toString(); |
| case NOT_DOWNLOADED: |
| getDownloadListener().scheduleStatusCheck(RequestType.GET_STATUS); |
| return Status.NOT_DOWNLOADED.toString(); |
| case DOWNLOAD_ERROR: |
| getDownloadListener().cancelStatusTask(); |
| getDownloadListener().cancelTimeoutTask(); |
| return Status.DOWNLOAD_ERROR.toString(); |
| case UNKNOWN: |
| getDownloadListener().cancelStatusTask(); |
| getDownloadListener().cancelTimeoutTask(); |
| return Status.DOWNLOAD_ERROR.toString(); |
| default: |
| return null; |
| } |
| } |
| |
| @Override |
| public String handleAbort() { |
| return Status.ABANDONED.toString(); |
| } |
| |
| @Override |
| public String getName() { |
| return Status.DOWNLOAD_ERROR.toString(); |
| } |
| |
| @Override |
| public void onEntry(String prevState, DownloadEvent event, Object evtObj) { |
| super.onEntry(prevState, event, evtObj); |
| if (event == DownloadEvent.DISCONNECT) { |
| getDownloadListener().logDisconnect(); |
| getDownloadListener().cancelStatusTask(); |
| getDownloadListener().cancelTimeoutTask(); |
| DownloadAnswer answer = new DownloadAnswer("Storage agent or storage VM disconnected", Status.DOWNLOAD_ERROR); |
| getDownloadListener().callback(answer); |
| getDownloadListener().log("Entering download error state because the storage host disconnected", Level.WARN); |
| } else if (event == DownloadEvent.TIMEOUT_CHECK) { |
| DownloadAnswer answer = new DownloadAnswer("Timeout waiting for response from storage host", Status.DOWNLOAD_ERROR); |
| getDownloadListener().callback(answer); |
| getDownloadListener().log("Entering download error state: timeout waiting for response from storage host", Level.WARN); |
| } |
| getDownloadListener().setDownloadInactive(Status.DOWNLOAD_ERROR); |
| } |
| |
| } |