mirror of
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141 lines
4.4 KiB
C++
141 lines
4.4 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 RANGED_LEASES_H_
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#define RANGED_LEASES_H_
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#include "Leases.h"
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using namespace std;
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class RangedLeases : public Leases
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{
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public:
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// *************************************************************************
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// Constructor
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// *************************************************************************
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RangedLeases(SqlDB * db,
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int _oid,
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unsigned long _size,
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unsigned int _mac_prefix,
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const string& _network_address);
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~RangedLeases(){};
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/**
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* Returns an unused lease, which becomes used
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* @param vid identifier of the VM getting this lease
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* @param ip ip of the returned lease
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* @param mac mac of the returned lease
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* @return 0 if success
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*/
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int get(int vid, string& ip, string& mac);
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/**
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* Ask for a specific lease in the network
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* @param vid identifier of the VM getting this lease
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* @param ip ip of lease requested
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* @param mac mac of the lease
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* @return 0 if success
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*/
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int set(int vid, const string& ip, string& mac);
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/**
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* Release an used lease, which becomes unused
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* @param ip of the lease in use
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*/
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void release(const string& ip)
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{
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del(ip);
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}
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/**
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* Adds New leases.
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* Only available for FIXED networks.
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* @param vector_leases vector of VectorAttribute objects. For the
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* moment, the vector can only contain one LEASE.
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* @param error_msg If the action fails, this message contains
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* the reason.
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* @return 0 on success
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*/
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int add_leases(vector<const Attribute*>& vector_leases, string& error_msg)
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{
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error_msg = "Adding new leases is only supported for FIXED networks.";
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return -1;
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}
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/**
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* Removes leases; if they are not used.
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* Only available for FIXED networks.
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* @param vector_leases vector of VectorAttribute objects. For the
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* moment, the vector can only contain one LEASE.
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* @param error_msg If the action fails, this message contains
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* the reason.
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* @return 0 on success
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*/
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int remove_leases(vector<const Attribute*>& vector_leases, string& error_msg)
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{
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error_msg = "Removing leases is only supported for FIXED networks.";
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return -1;
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}
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/**
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* Loads the leases from the DB.
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*/
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int select(SqlDB * db)
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{
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//Read the leases from the DB
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int rc = Leases::select(db);
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return rc;
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}
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private:
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/**
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* The default MAC prefix for the Leases
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*/
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unsigned int mac_prefix;
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/**
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* The Network address to generate leases
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*/
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unsigned int network_address;
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unsigned int current;
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/**
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* Add a lease, from the Lease interface
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* @param ip ip of the lease
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* @param mac mac of the lease
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* @param vid identifier of the VM getting this lease
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* @return 0 if success
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*/
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int add(unsigned int ip, unsigned int mac[], int vid, bool used=true);
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/**
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* Remove a lease, from the Lease interface
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* @param db pointer to DB
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* @param ip ip of the lease to be deleted
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* @return 0 if success
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*/
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int del(const string& ip);
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};
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#endif /*RANGED_LEASES_H_*/
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