// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.storage.upload;
import org.apache.log4j.Level;
import com.cloud.agent.api.storage.DownloadAnswer;
import com.cloud.agent.api.storage.UploadAnswer;
import com.cloud.agent.api.storage.UploadAnswer;
import com.cloud.agent.api.storage.UploadProgressCommand.RequestType;
import com.cloud.storage.VMTemplateStorageResourceAssoc.Status;
import com.cloud.storage.download.DownloadState.DownloadEvent;
public abstract class UploadActiveState extends UploadState {
public UploadActiveState(UploadListener ul) {
super(ul);
}
@Override
public String handleAbort(){
return Status.ABANDONED.toString();
}
@Override
public String handleDisconnect(){
return Status.UPLOAD_ERROR.toString();
}
@Override
public String handleAnswer(UploadAnswer answer) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("handleAnswer, answer status=" + answer.getUploadStatus() + ", curr state=" + getName());
}
switch (answer.getUploadStatus()) {
case UPLOAD_IN_PROGRESS:
getUploadListener().scheduleStatusCheck(RequestType.GET_STATUS);
return Status.UPLOAD_IN_PROGRESS.toString();
case UPLOADED:
getUploadListener().scheduleImmediateStatusCheck(RequestType.PURGE);
getUploadListener().cancelTimeoutTask();
return Status.UPLOADED.toString();
case NOT_UPLOADED:
getUploadListener().scheduleStatusCheck(RequestType.GET_STATUS);
return Status.NOT_UPLOADED.toString();
case UPLOAD_ERROR:
getUploadListener().cancelStatusTask();
getUploadListener().cancelTimeoutTask();
return Status.UPLOAD_ERROR.toString();
case UNKNOWN:
getUploadListener().cancelStatusTask();
getUploadListener().cancelTimeoutTask();
return Status.UPLOAD_ERROR.toString();
default:
return null;
}
}
@Override
public String handleTimeout(long updateMs) {
if (s_logger.isTraceEnabled()) {
getUploadListener().log("handleTimeout, updateMs=" + updateMs + ", curr state= " + getName(), Level.TRACE);
}
String newState = this.getName();
if (updateMs > 5*UploadListener.STATUS_POLL_INTERVAL){
newState=Status.UPLOAD_ERROR.toString();
getUploadListener().log("timeout: transitioning to upload error state, currstate=" + getName(), Level.DEBUG );
} else if (updateMs > 3*UploadListener.STATUS_POLL_INTERVAL) {
getUploadListener().cancelStatusTask();
getUploadListener().scheduleImmediateStatusCheck(RequestType.GET_STATUS);
getUploadListener().scheduleTimeoutTask(3*UploadListener.STATUS_POLL_INTERVAL);
getUploadListener().log(getName() + " first timeout: checking again ", Level.DEBUG );
} else {
getUploadListener().scheduleTimeoutTask(3*UploadListener.STATUS_POLL_INTERVAL);
}
return newState;
}
@Override
public void onEntry(String prevState, UploadEvent event, Object evtObj) {
if (s_logger.isTraceEnabled()) {
getUploadListener().log("onEntry, prev state= " + prevState + ", curr state=" + getName() + ", event=" + event, Level.TRACE);
}
if (event == UploadEvent.UPLOAD_ANSWER) {
getUploadListener().updateDatabase((UploadAnswer)evtObj);
getUploadListener().setLastUpdated();
}
}
@Override
public void onExit() {
}
}