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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 INFORMATION_MANAGER_DRIVER_H_
#define INFORMATION_MANAGER_DRIVER_H_
#include <map>
#include <string>
#include <sstream>
#include "Mad.h"
#include "HostPool.h"
using namespace std;
/**
* InformationManagerDriver provides a base class to implement IM
* Drivers. This class implements the protocol and recover functions
* from the Mad interface. This class may be used to further specialize
* the IM driver.
*/
class InformationManagerDriver : public Mad
{
public:
InformationManagerDriver(
int userid,
const map<string,string>& attrs,
bool sudo,
HostPool * pool):
Mad(userid,attrs,sudo),hpool(pool){};
virtual ~InformationManagerDriver(){};
/**
* Implements the IM driver protocol.
* @param message the string read from the driver
*/
void protocol(string& message);
/**
* TODO: What do we need here? just poll the Hosts to recover..
*/
void recover();
/**
* Sends a monitor request to the MAD: "MONITOR ID HOSTNAME -"
* @param oid the virtual machine id.
* @param host the hostname
* @param update the remotes directory in host
*/
void monitor(int oid, const string& host, bool update) const;
private:
/**
* Pointer to the Virtual Machine Pool, to access VMs
*/
HostPool * hpool;
friend class InformationManager;
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif /*INFORMATION_MANAGER_DRIVER_H_*/
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