/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
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* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
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* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.objectstorage.pipeline.stages;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.handler.codec.http.HttpResponseStatus;
import com.eucalyptus.http.MappingHttpResponse;
import com.eucalyptus.objectstorage.ObjectStorageBucketLogger;
import com.eucalyptus.objectstorage.msgs.ObjectStorageErrorMessageType;
import com.eucalyptus.objectstorage.msgs.ObjectStorageResponseType;
import com.eucalyptus.storage.msgs.BucketLogData;
import com.eucalyptus.ws.handlers.MessageStackHandler;
public class ObjectStorageRESTLoggerOutbound extends MessageStackHandler {
@Override
public void outgoingMessage(ChannelHandlerContext ctx, MessageEvent event) throws Exception {
if (event.getMessage() instanceof MappingHttpResponse) {
MappingHttpResponse httpResponse = (MappingHttpResponse) event.getMessage();
if (httpResponse.getMessage() instanceof ObjectStorageResponseType) {
ObjectStorageResponseType response = (ObjectStorageResponseType) httpResponse.getMessage();
BucketLogData logData = response.getLogData();
if (logData != null) {
computeStats(logData, httpResponse);
response.setLogData(null);
}
} else if (httpResponse.getMessage() instanceof ObjectStorageErrorMessageType) {
ObjectStorageErrorMessageType errorMessage = (ObjectStorageErrorMessageType) httpResponse.getMessage();
BucketLogData logData = errorMessage.getLogData();
if (logData != null) {
computeStats(logData, httpResponse);
logData.setError(errorMessage.getCode());
errorMessage.setLogData(null);
}
}
}
}
private void computeStats(BucketLogData logData, MappingHttpResponse httpResponse) {
logData.setBytesSent(httpResponse.getContent().readableBytes());
long startTime = logData.getTotalTime();
long currentTime = System.currentTimeMillis();
logData.setTotalTime(currentTime - startTime);
long startTurnAroundTime = logData.getTurnAroundTime();
logData.setTurnAroundTime(Math.min((currentTime - startTurnAroundTime), logData.getTotalTime()));
HttpResponseStatus status = httpResponse.getStatus();
if (status != null)
logData.setStatus(Integer.toString(status.getCode()));
ObjectStorageBucketLogger.getInstance().addLogEntry(logData);
}
}