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one/include/ImageManagerDriver.h
2019-01-16 11:47:59 +01:00

145 lines
4.6 KiB
C++

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2019, OpenNebula Project, OpenNebula Systems */
/* */
/* 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;
class DatastorePool;
/**
* 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,
DatastorePool * _dspool):
Mad(userid,attrs,sudo),ipool(_ipool),dspool(_dspool){};
virtual ~ImageManagerDriver(){};
/**
* Implements the Image Manager driver protocol.
* @param message the string read from the driver
*/
void protocol(const string& message) const;
/**
* TODO: What do we need here? Check on-going xfr?
*/
void recover();
private:
friend class ImageManager;
/**
* Reference to the ImagePool
*/
ImagePool * ipool;
/**
* Reference to the DatastorePool
*/
DatastorePool * dspool;
/**
* 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 clone request to the MAD.
* @param oid the image id.
* @param drv_msg xml data for the mad operation.
*/
void clone(int oid, const string& drv_msg) const;
/**
* Sends a stat request to the MAD.
* @param oid the id of the stat request
* @param drv_msg xml data for the mad operation.
*/
void stat(int oid, const string& drv_msg) const;
/**
* Sends a make filesystem request to the MAD.
* @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;
/**
* Sends a monitor request to the MAD: "MONITOR DS_ID DS_XML"
* @param oid the datastore id.
* @param drv_msg xml data for the mad operation.
*/
void monitor(int oid, const string& drv_msg) const;
/**
* Sends a delete snapshot command: "SNAP_DELETE DS_ID DS_XML"
* @param oid the datastore id.
* @param drv_msg xml data for the mad operation.
*/
void snapshot_delete(int oid, const string& drv_msg) const;
/**
* Sends a revert snapshot command: "SNAP_REVERT DS_ID DS_XML"
* @param oid the datastore id.
* @param drv_msg xml data for the mad operation.
*/
void snapshot_revert(int oid, const string& drv_msg) const;
/**
* Sends a flatten snapshot command: "SNAP_FLATTEN DS_ID DS_XML"
* @param oid the datastore id.
* @param drv_msg xml data for the mad operation.
*/
void snapshot_flatten(int oid, const string& drv_msg) const;
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif /*IMAGE_MANAGER_DRIVER_H_*/