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145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2015, OpenNebula Project (OpenNebula.org), C12G Labs */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
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/* not use this file except in compliance with the License. You may obtain */
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/* a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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/* See the License for the specific language governing permissions and */
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/* limitations under the License. */
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/* -------------------------------------------------------------------------- */
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#ifndef IMAGE_MANAGER_DRIVER_H_
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#define IMAGE_MANAGER_DRIVER_H_
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#include <map>
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#include <string>
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#include <sstream>
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#include "Mad.h"
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using namespace std;
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//Forward definition of related classes
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class ImagePool;
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class ImageManager;
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class DatastorePool;
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/**
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* ImageManagerDriver represents the basic abstraction for Image Repository
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* drivers. It implements the protocol and recover functions from the Mad
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* interface.
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*/
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class ImageManagerDriver : public Mad
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{
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public:
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ImageManagerDriver(int userid,
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const map<string,string>& attrs,
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bool sudo,
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ImagePool* _ipool,
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DatastorePool * _dspool):
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Mad(userid,attrs,sudo),ipool(_ipool),dspool(_dspool){};
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virtual ~ImageManagerDriver(){};
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/**
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* Implements the Image Manager driver protocol.
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* @param message the string read from the driver
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*/
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void protocol(const string& message) const;
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/**
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* TODO: What do we need here? Check on-going xfr?
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*/
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void recover();
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private:
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friend class ImageManager;
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/**
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* Reference to the ImagePool
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*/
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ImagePool * ipool;
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/**
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* Reference to the DatastorePool
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*/
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DatastorePool * dspool;
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/**
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* Sends a copy request to the MAD.
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* @param oid the image id.
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* @param drv_msg xml data for the mad operation.
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*/
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void cp(int oid, const string& drv_msg) const;
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/**
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* Sends a clone request to the MAD.
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* @param oid the image id.
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* @param drv_msg xml data for the mad operation.
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*/
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void clone(int oid, const string& drv_msg) const;
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/**
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* Sends a stat request to the MAD.
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* @param oid the id of the stat request
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* @param drv_msg xml data for the mad operation.
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*/
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void stat(int oid, const string& drv_msg) const;
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/**
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* Sends a make filesystem request to the MAD.
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* @param oid the image id.
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* @param drv_msg xml data for the mad operation.
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*/
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void mkfs(int oid, const string& drv_msg) const;
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/**
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* Sends a delete request to the MAD: "DELETE IMAGE_ID PATH"
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* @param oid the image id.
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* @param drv_msg xml data for the mad operation.
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*/
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void rm(int oid, const string& drv_msg) const;
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/**
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* Sends a monitor request to the MAD: "MONITOR DS_ID DS_XML"
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* @param oid the datastore id.
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* @param drv_msg xml data for the mad operation.
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*/
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void monitor(int oid, const string& drv_msg) const;
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/**
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* Sends a delete snapshot command: "SNAP_DELETE DS_ID DS_XML"
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* @param oid the datastore id.
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* @param drv_msg xml data for the mad operation.
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*/
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void snapshot_delete(int oid, const string& drv_msg) const;
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/**
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* Sends a revert snapshot command: "SNAP_REVERT DS_ID DS_XML"
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* @param oid the datastore id.
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* @param drv_msg xml data for the mad operation.
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*/
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void snapshot_revert(int oid, const string& drv_msg) const;
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/**
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* Sends a flatten snapshot command: "SNAP_FLATTEN DS_ID DS_XML"
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* @param oid the datastore id.
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* @param drv_msg xml data for the mad operation.
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*/
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void snapshot_flatten(int oid, const string& drv_msg) const;
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};
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/* -------------------------------------------------------------------------- */
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/* -------------------------------------------------------------------------- */
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#endif /*IMAGE_MANAGER_DRIVER_H_*/
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