mirror of
https://github.com/OpenNebula/one.git
synced 2024-12-28 07:21:29 +03:00
145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
/* -------------------------------------------------------------------------- */
|
|
/* Copyright 2002-2009, Distributed Systems Architecture Group, Universidad */
|
|
/* Complutense de Madrid (dsa-research.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_NETWORK_POOL_H_
|
|
#define VIRTUAL_NETWORK_POOL_H_
|
|
|
|
#include "PoolSQL.h"
|
|
#include "VirtualNetwork.h"
|
|
|
|
#include <time.h>
|
|
|
|
using namespace std;
|
|
|
|
|
|
/**
|
|
* The Virtual Network Pool class. ...
|
|
*/
|
|
class VirtualNetworkPool : public PoolSQL
|
|
{
|
|
public:
|
|
|
|
VirtualNetworkPool(SqliteDB * db,
|
|
const string& str_mac_prefix,
|
|
int default_size);
|
|
|
|
~VirtualNetworkPool(){};
|
|
|
|
/**
|
|
* Function to allocate a new VN object
|
|
* @param uid user identifier
|
|
* @param stemplate a string describing the VN
|
|
* @param oid the id assigned to the VM (output)
|
|
* @return 0 on success, -1 error inserting in DB,-2 error parsing
|
|
* the template, -3 wrong attributes in template
|
|
*/
|
|
int allocate (
|
|
int uid,
|
|
const string& stemplate,
|
|
int * oid);
|
|
|
|
/**
|
|
* Function to get a VN from the pool, if the object is not in memory
|
|
* it is loaded from the DB
|
|
* @param oid VN unique id
|
|
* @param lock locks the VN mutex
|
|
* @return a pointer to the VN, 0 if the VN could not be loaded
|
|
*/
|
|
VirtualNetwork * get(
|
|
int oid,
|
|
bool lock)
|
|
{
|
|
return static_cast<VirtualNetwork *>(PoolSQL::get(oid,lock));
|
|
};
|
|
|
|
/**
|
|
* Function to get a VN from the pool using the network name
|
|
* If the object is not in memory it is loaded from the DB
|
|
* @param name VN unique name
|
|
* @param lock locks the VN mutex
|
|
* @return a pointer to the VN, 0 if the VN could not be loaded
|
|
*/
|
|
VirtualNetwork * get(
|
|
const string& name,
|
|
bool lock);
|
|
|
|
//--------------------------------------------------------------------------
|
|
// Virtual Network DB access functions
|
|
//--------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Updates the template of a VN, adding a new attribute (replacing it if
|
|
* already defined), the VN's mutex SHOULD be locked
|
|
* @param vn pointer to the virtual network object
|
|
* @param name of the new attribute
|
|
* @param value of the new attribute
|
|
* @return 0 on success
|
|
*/
|
|
int update_template_attribute(
|
|
VirtualNetwork * vn,
|
|
string& name,
|
|
string& value)
|
|
{
|
|
return vn->update_template_attribute(db,name,value);
|
|
};
|
|
|
|
/**
|
|
* Bootstraps the database table(s) associated to the VirtualNetwork pool
|
|
*/
|
|
void bootstrap()
|
|
{
|
|
VirtualNetwork::bootstrap(db);
|
|
};
|
|
|
|
/** Drops a VN from the cache & DB, the VN mutex MUST BE locked
|
|
* @param vn pointer to VN
|
|
*/
|
|
int drop(VirtualNetwork * vn)
|
|
{
|
|
int rc = vn->drop(db);
|
|
|
|
if ( rc == 0)
|
|
{
|
|
remove(static_cast<PoolObjectSQL *>(vn));
|
|
}
|
|
|
|
return rc;
|
|
};
|
|
|
|
private:
|
|
/**
|
|
* Factory method to produce VN objects
|
|
* @return a pointer to the new VN
|
|
*/
|
|
PoolObjectSQL * create()
|
|
{
|
|
return new VirtualNetwork(mac_prefix, default_size);
|
|
};
|
|
|
|
/**
|
|
* Holds the system-wide MAC prefix
|
|
*/
|
|
unsigned int mac_prefix;
|
|
|
|
/**
|
|
* Default size for Virtual Networks
|
|
*/
|
|
unsigned int default_size;
|
|
};
|
|
|
|
#endif /*VIRTUAL_NETWORK_POOL_H_*/
|