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/* -------------------------------------------------------------------------- */
/* Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org) */
/* */
/* Licensed 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. */
/* -------------------------------------------------------------------------- */
#ifndef IMAGE_MANAGER_DRIVER_H_
#define IMAGE_MANAGER_DRIVER_H_
#include <map>
#include <string>
#include <sstream>
#include "Mad.h"
using namespace std;
//Forward definition of related classes
class ImagePool;
class ImageManager;
/**
* ImageManagerDriver represents the basic abstraction for Image Repository
* drivers. It implements the protocol and recover functions from the Mad
* interface.
*/
class ImageManagerDriver : public Mad
{
public:
ImageManagerDriver(int userid,
const map<string,string>& attrs,
bool sudo,
ImagePool* _ipool):
Mad(userid,attrs,sudo),ipool(_ipool){};
virtual ~ImageManagerDriver(){};
/**
* Implements the Image Manager driver protocol.
* @param message the string read from the driver
*/
void protocol(string& message);
/**
* TODO: What do we need here? Check on-going xfr?
*/
void recover();
private:
friend class ImageManager;
/**
* Reference to the ImagePool
*/
ImagePool * ipool;
/**
* Configuration file for the driver
*/
//Template driver_conf;
/**
* Sends a copy request to the MAD
* @param oid the image id.
* @param drv_msg xml data for the mad operation.
*/
void cp(int oid, const string& drv_msg) const;
/**
* Sends a move request to the MAD: "MV IMAGE_ID SRC_PATH DST_PATH"
* @param oid the image id.
* @param destination is a driver specific location or "-" if not
* initialized
* @param size_mb of the image to be created
*/
void mv(int oid, const string& source, const string& destination) const;
/**
* Sends a make filesystem request to the MAD: "MKFS IMAGE_ID PATH SIZE_MB"
* @param oid the image id.
* @param drv_msg xml data for the mad operation.
*/
void mkfs(int oid, const string& drv_msg) const;
/**
* Sends a delete request to the MAD: "DELETE IMAGE_ID PATH"
* @param oid the image id.
* @param drv_msg xml data for the mad operation.
*/
void rm(int oid, const string& drv_msg) const;
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif /*IMAGE_MANAGER_DRIVER_H_*/
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