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c9dd78ce85
Virtual Router decorator for QuotaNetwork
139 lines
4.9 KiB
C++
139 lines
4.9 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2015, OpenNebula Project, OpenNebula Systems */
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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 QUOTA_NETWORK_H_
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#define QUOTA_NETWORK_H_
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#include "Quota.h"
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#include "PoolObjectSQL.h"
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/**
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* DataStore Quotas, defined as:
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* NETWORK = [
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* ID = <ID of the datastore>
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* LEASES = <Max. number of IPs that can be leased from net>
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* LEASES_USED = Current number of IPs
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* ]
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*
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* 0 = unlimited, default if missing
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*/
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class QuotaNetwork : public Quota
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{
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public:
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QuotaNetwork(bool is_default): Quota("NETWORK_QUOTA", "NETWORK", NET_METRICS,
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NUM_NET_METRICS, is_default) {};
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virtual ~QuotaNetwork(){};
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/**
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* Check if the resource allocation will exceed the quota limits. If not
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* the usage counters are updated. Assumes calling object is a VM
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* @param tmpl template for the resource
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* @param default_quotas Quotas that contain the default limits
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* @param error string
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* @return true if the operation can be performed
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*/
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bool check(Template* tmpl, Quotas& default_quotas, string& err)
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{
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return check(PoolObjectSQL::VM, tmpl, default_quotas, err);
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}
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/**
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* Decrement usage counters when freeing a lease. This method considers
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* the object type to accounto for FLOATING IP addresses or not
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* @param tmpl template for the resource
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*/
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void del(Template* tmpl)
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{
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del(PoolObjectSQL::VM, tmpl);
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}
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protected:
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/**
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* Gets the default quota identified by its ID.
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*
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* @param id of the quota
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* @param default_quotas Quotas that contain the default limits
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* @param va The quota, if it is found
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*
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* @return 0 on success, -1 if not found
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*/
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int get_default_quota(const string& id,
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Quotas& default_quotas,
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VectorAttribute **va);
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static const char * NET_METRICS[];
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static const int NUM_NET_METRICS;
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private:
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/**
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* Friends are decorators for the QuotaNetwork. They can access specialized
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* methods to operate over the same quota counters (base Template class)
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*/
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friend class QuotaNetworkVirtualRouter;
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/**
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* Check if the resource allocation will exceed the quota limits. If not
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* the usage counters are updated. This method considers the object type to
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* accounto for FLOATING IP addresses or not
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* @param otype object type, VM or VRouter
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* @param tmpl template for the resource
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* @param default_quotas Quotas that contain the default limits
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* @param error string
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* @return true if the operation can be performed
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*/
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bool check(PoolObjectSQL::ObjectType otype, Template* tmpl,
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Quotas& default_quotas, string& error);
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/**
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* Decrement usage counters when freeing a lease. This method considers
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* the object type to accounto for FLOATING IP addresses or not
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* @param otype object type, VM or VRouter
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* @param tmpl template for the resource
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*/
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void del(PoolObjectSQL::ObjectType otype, Template* tmpl);
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};
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/**
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* Decorates the QuotaNetwork object to consider the FLOATING_IP attribute
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* of the NIC attributes. It must be instantiated using an exisiting QuotaNetwork
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* object
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*/
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class QuotaNetworkVirtualRouter: public QuotaDecorator
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{
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public:
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QuotaNetworkVirtualRouter(QuotaNetwork *qn):QuotaDecorator(qn){};
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virtual ~QuotaNetworkVirtualRouter(){};
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bool check(Template* tmpl, Quotas& default_quotas, string& err)
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{
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QuotaNetwork * qn = static_cast<QuotaNetwork *>(quota);
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return qn->check(PoolObjectSQL::VROUTER, tmpl, default_quotas, err);
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}
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void del(Template* tmpl)
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{
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QuotaNetwork * qn = static_cast<QuotaNetwork *>(quota);
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qn->del(PoolObjectSQL::VROUTER, tmpl);
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}
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};
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#endif /*QUOTA_NETWORK_H_*/
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