/*******************************************************************************
*Copyright (c) 2009 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, only version 3 of the License.
*
*
* This file 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., 130 Castilian
* Dr., Goleta, CA 93101 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
* notice, this list of conditions and the following disclaimer 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 LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* NEGLIGENCE OR OTHERWISE) ARISING IN 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 IDENTIFIED, OR
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*******************************************************************************/
/*
*
* Author: Sunil Soman sunils@cs.ucsb.edu
*/
package edu.ucsb.eucalyptus.storage;
import java.io.IOException;
import java.util.List;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
import com.eucalyptus.util.EucalyptusCloudException;
import edu.ucsb.eucalyptus.cloud.BucketLogData;
import edu.ucsb.eucalyptus.msgs.WalrusDataGetRequestType;
import edu.ucsb.eucalyptus.storage.fs.FileIO;
public interface StorageManager {
public void checkPreconditions() throws EucalyptusCloudException;
public boolean bucketExists(String bucket);
public boolean objectExists(String bucket, String object);
public void createBucket(String bucket) throws IOException;
public long getSize(String bucket, String object);
public void deleteBucket(String bucket) throws IOException;
public void createObject(String bucket, String object) throws IOException;
public void putObject(String bucket, String object, byte[] base64Data, boolean append) throws IOException;
public FileIO prepareForRead(String bucket, String object) throws Exception;
public FileIO prepareForWrite(String bucket, String object) throws Exception;
public int readObject(String bucket, String object, byte[] bytes, long offset) throws IOException;
public int readObject(String objectPath, byte[] bytes, long offset) throws IOException;
public void deleteObject(String bucket, String object) throws IOException;
public void deleteAbsoluteObject(String object) throws IOException;
public void copyObject(String sourceBucket, String sourceObject, String destinationBucket, String destinationObject) throws IOException;
public void renameObject(String bucket, String oldName, String newName) throws IOException;
public String getObjectPath(String bucket, String object);
public long getObjectSize(String bucket, String object);
public void sendObject(WalrusDataGetRequestType request, DefaultHttpResponse httpResponse, String bucketName, String objectName,
long size, String etag, String lastModified, String contentType, String contentDisposition, Boolean isCompressed, String versionId, BucketLogData logData);
public void sendObject(WalrusDataGetRequestType request, DefaultHttpResponse httpResponse, String bucketName, String objectName,
long start, long end, long size, String etag, String lastModified, String contentType, String contentDisposition, Boolean isCompressed, String versionId, BucketLogData logData);
public void sendHeaders(WalrusDataGetRequestType request, DefaultHttpResponse httpResponse, Long size, String etag,
String lastModified, String contentType, String contentDisposition, String versionId, BucketLogData logData);
public void setRootDirectory(String rootDirectory);
}