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178 lines
5.5 KiB
C++
178 lines
5.5 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2011, OpenNebula Project Leads (OpenNebula.org) */
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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 VIRTUAL_NETWORK_POOL_H_
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#define VIRTUAL_NETWORK_POOL_H_
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#include "PoolSQL.h"
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#include "VirtualNetwork.h"
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#include <time.h>
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class AuthRequest;
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using namespace std;
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/**
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* The Virtual Network Pool class. ...
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*/
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class VirtualNetworkPool : public PoolSQL
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{
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public:
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VirtualNetworkPool(SqlDB * db,
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const string& str_mac_prefix,
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int default_size);
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~VirtualNetworkPool(){};
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/**
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* Function to allocate a new VNET object
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* @param uid user identifier
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* @param vn_template a VirtualNetworkTemplate describing the VNET
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* @param oid the id assigned to the VM (output)
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* @return oid on success, -1 error
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*/
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int allocate (
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int uid,
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VirtualNetworkTemplate * vn_template,
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int * oid,
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string& error_str);
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/**
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* Function to get a VN from the pool, if the object is not in memory
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* it is loaded from the DB
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* @param oid VN unique id
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* @param lock locks the VN mutex
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* @return a pointer to the VN, 0 if the VN could not be loaded
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*/
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VirtualNetwork * get(
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int oid,
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bool lock)
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{
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return static_cast<VirtualNetwork *>(PoolSQL::get(oid,lock));
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};
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/**
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* Function to get a VN from the pool using the network name
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* If the object is not in memory it is loaded from the DB
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* @param name VN unique name
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* @param lock locks the VN mutex
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* @return a pointer to the VN, 0 if the VN could not be loaded
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*/
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VirtualNetwork * get(
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const string& name,
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bool lock);
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//--------------------------------------------------------------------------
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// Virtual Network DB access functions
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//--------------------------------------------------------------------------
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/**
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* Generates a NIC attribute for VM templates using the VirtualNetwork
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* metadata
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* @param nic the nic attribute to be generated
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* @param vid of the VM requesting the lease
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* @return 0 on success, -1 error, -2 not using the pool
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*/
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int nic_attribute(VectorAttribute * nic, int vid);
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/**
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* Generates an Authorization token for a NIC attribute
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* @param nic the nic to be authorized
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* @param ar the AuthRequest
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*/
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void authorize_nic(VectorAttribute * nic, AuthRequest * ar);
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/**
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* Bootstraps the database table(s) associated to the VirtualNetwork pool
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*/
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static void bootstrap(SqlDB * _db)
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{
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VirtualNetwork::bootstrap(_db);
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};
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/**
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* Dumps the Virtual Network pool in XML format. A filter can be also added
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* to the query
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* @param oss the output stream to dump the pool contents
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* @param where filter for the objects, defaults to all
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*
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* @return 0 on success
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*/
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int dump(ostringstream& oss, const string& where);
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/**
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* Get the mac prefix
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* @return the mac prefix
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*/
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static const unsigned int& mac_prefix()
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{
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return _mac_prefix;
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};
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/**
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* Get the default network size
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* @return the size
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*/
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static const unsigned int& default_size()
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{
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return _default_size;
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};
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private:
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/**
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* Holds the system-wide MAC prefix
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*/
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static unsigned int _mac_prefix;
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/**
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* Default size for Virtual Networks
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*/
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static unsigned int _default_size;
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/**
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* Factory method to produce VN objects
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* @return a pointer to the new VN
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*/
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PoolObjectSQL * create()
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{
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return new VirtualNetwork();
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};
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/**
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* Callback function to get output the virtual network pool in XML format
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* (VirtualNetworkPool::dump)
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* @param num the number of columns read from the DB
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* @param names the column names
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* @param vaues the column values
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* @return 0 on success
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*/
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int dump_cb(void * _oss, int num, char **values, char **names);
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/**
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* Callback function to get the ID of a given virtual network
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* (VirtualNetworkPool::get)
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* @param num the number of columns read from the DB
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* @param names the column names
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* @param vaues the column values
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* @return 0 on success
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*/
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int get_cb(void * _oss, int num, char **values, char **names);
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};
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#endif /*VIRTUAL_NETWORK_POOL_H_*/
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