1
0
mirror of https://github.com/OpenNebula/one.git synced 2024-12-23 17:33:56 +03:00
one/include/VirtualMachineTemplate.h

103 lines
3.2 KiB
C++

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2011, 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 VIRTUAL_MACHINE_TEMPLATE_H_
#define VIRTUAL_MACHINE_TEMPLATE_H_
#include "Template.h"
#include <string.h>
using namespace std;
/**
* Virtual Machine Template class, it represents a VM configuration file.
*/
class VirtualMachineTemplate : public Template
{
public:
VirtualMachineTemplate():
Template(false,'=',"TEMPLATE"){};
~VirtualMachineTemplate(){};
VirtualMachineTemplate(VirtualMachineTemplate& vmt):Template(vmt){};
/**
* Copies the attributes of the original template into this one.
* @param original Original template
* @param error_msg error string, must be freed by the calling funtion.
* This string is null if no error occurred.
*/
int merge(const VirtualMachineTemplate * original, char **error_msg)
{
int rc;
*error_msg = 0;
rc = merge_att(original, "TEMPLATE_ID");
if( rc != 0 )
{
goto error_tid;
}
merge_att(original, "NAME");
return 0;
error_tid:
*error_msg = strdup("TEMPLATE_ID attribute not found");
return -1;
};
private:
friend class VirtualMachine;
int merge_att(const VirtualMachineTemplate * original, const char * name)
{
vector<const Attribute *> attrs;
SingleAttribute * sattr;
const SingleAttribute * original_attr;
int number;
string att_name = name;
number = original->get(att_name,attrs);
if( number == 0 )
{
return -1;
}
original_attr = dynamic_cast<const SingleAttribute *>(attrs[0]);
if ( original_attr != 0 )
{
erase(att_name);
sattr = new SingleAttribute(*original_attr);
set(sattr);
}
return 0;
};
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif /*VIRTUAL_MACHINE_TEMPLATE_H_*/