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3ea67d3645
* On exit stop RequestManager first * Use unique_ptr for pointers to Template * Reduce number of new/delete
836 lines
28 KiB
C++
836 lines
28 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2020, 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 VIRTUAL_NETWORK_H_
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#define VIRTUAL_NETWORK_H_
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#include "PoolSQL.h"
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#include "VirtualNetworkTemplate.h"
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#include "Clusterable.h"
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#include "AddressRangePool.h"
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#include "ObjectCollection.h"
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#include <vector>
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#include <string>
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class VirtualMachineNic;
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/* -------------------------------------------------------------------------- */
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/* -------------------------------------------------------------------------- */
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/**
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* The Virtual Network class. It represents a Virtual Network at manages its
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* leases. One lease is formed by one IP and one MAC address.
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* MAC address are derived from IP addresses.
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*/
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class VirtualNetwork : public PoolObjectSQL, public Clusterable
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{
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public:
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/**
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* Defines the Virtual Network type based on its associated driver
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*/
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enum VirtualNetworkDriver
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{
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NONE = 0,
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DUMMY = 1,
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VLAN = 2,
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EBTABLES = 3,
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FW = 4,
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OVSWITCH = 5,
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VXLAN = 6,
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VCENTER = 7,
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OVSWITCH_VXLAN = 8,
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BRIDGE = 9
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};
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enum BridgeType {
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UNDEFINED = 0,
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LINUX = 1,
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OPENVSWITCH = 2,
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OPENVSWITCH_DPDK = 3,
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VCENTER_PORT_GROUPS = 4,
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BRNONE = 5
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};
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static std::string driver_to_str(VirtualNetworkDriver ob)
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{
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switch (ob)
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{
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case NONE: return "";
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case DUMMY: return "dummy";
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case VLAN: return "802.1Q";
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case EBTABLES: return "ebtables";
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case FW: return "fw";
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case OVSWITCH: return "ovswitch";
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case VXLAN: return "vxlan";
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case VCENTER: return "vcenter";
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case OVSWITCH_VXLAN: return "ovswitch_vxlan";
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case BRIDGE: return "bridge";
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default: return "";
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}
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};
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static VirtualNetworkDriver str_to_driver(const std::string& ob)
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{
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if ( ob == "dummy" )
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{
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return DUMMY;
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}
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else if ( ob == "802.1Q" )
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{
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return VLAN;
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}
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else if ( ob == "ebtables" )
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{
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return EBTABLES;
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}
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else if ( ob == "fw" )
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{
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return FW;
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}
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else if ( ob == "ovswitch" )
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{
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return OVSWITCH;
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}
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else if ( ob == "vxlan" )
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{
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return VXLAN;
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}
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else if ( ob == "vcenter" )
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{
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return VCENTER;
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}
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else if ( ob == "ovswitch_vxlan" )
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{
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return OVSWITCH_VXLAN;
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}
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else if ( ob == "bridge" )
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{
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return BRIDGE;
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}
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else
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{
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return NONE;
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}
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};
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static std::string bridge_type_to_str(BridgeType ob)
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{
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switch (ob)
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{
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case UNDEFINED:
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case LINUX:
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return "linux";
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case OPENVSWITCH:
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return "openvswitch";
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case OPENVSWITCH_DPDK:
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return "openvswitch_dpdk";
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case VCENTER_PORT_GROUPS:
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return "vcenter_port_groups";
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case BRNONE:
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return "none";
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default:
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return "none";
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}
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};
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static BridgeType str_to_bridge_type(const std::string& ob)
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{
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if ( ob == "linux" )
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{
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return LINUX;
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}
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else if ( ob == "openvswitch" )
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{
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return OPENVSWITCH;
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}
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else if ( ob == "openvswitch_dpdk" )
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{
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return OPENVSWITCH_DPDK;
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}
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else if ( ob == "vcenter_port_groups" )
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{
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return VCENTER_PORT_GROUPS;
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}
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else if (ob == "none")
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{
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return BRNONE;
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}
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else
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{
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return UNDEFINED;
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}
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};
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/**
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* Check consistency of PHYDEV, BRIDGE and VLAN attributes depending on
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* the network driver
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* @param error_str describing the error
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* @return 0 on success -1 otherwise
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*/
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static int parse_phydev_vlans(const Template* tmpl,
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const std::string& vn_mad,
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const std::string& phydev,
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const std::string& bridge,
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const bool auto_id,
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const std::string& vlan_id,
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const bool auto_outer,
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const std::string& outer_id,
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std::string& estr);
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// *************************************************************************
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// Virtual Network Public Methods
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// *************************************************************************
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virtual ~VirtualNetwork() = default;
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/**
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* Factory method for virtual network templates
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*/
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std::unique_ptr<Template> get_new_template() const override
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{
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return std::make_unique<VirtualNetworkTemplate>();
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}
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/**
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* Fills a auth class to perform an authZ/authN request based on the object
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* attributes. Disables the cluster and all NET rules (NET* and NET/%) for
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* reservations.
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* @param auths to be filled
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*/
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void get_permissions(PoolObjectAuth& auths) override;
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// *************************************************************************
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// Address Range management interface
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// *************************************************************************
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/**
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* Add a set of address ranges to the virtual network
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* @param ars_tmpl template in the form AR = [TYPE=...,IP=...,SIZE=...].
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* @param error_msg If the action fails, this message contains the reason.
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* @return 0 on success
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*/
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int add_ar(VirtualNetworkTemplate * ars_tmpl, std::string& error_msg);
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/**
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* Adds a set of address ranges
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* @param var a vector of address ranges
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* @param error_msg If the action fails, this message contains the reason.
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* @return 0 on success
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*/
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int add_var(std::vector<VectorAttribute *> &var, std::string& error_msg);
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/**
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* Removes an address range from the VNET
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* @param ar_id of the address range
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* @param force force remove, even if active leases exists
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* @param error_msg If the action fails, this message contains the reason.
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* @return 0 on success
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*/
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int rm_ar(unsigned int ar_id, bool force, std::string& error_msg);
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/**
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* Removes all address ranges from the VNET
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* @param error_msg If the action fails, this message contains the reason.
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* @return 0 on success
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*/
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int rm_ars(std::string& error_msg);
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/**
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* Allocates a new (and empty) address range. It is not added to the
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* ar_pool
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* @return pointer to the new address range
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*/
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AddressRange * allocate_ar(const std::string& ipam_mad)
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{
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return ar_pool.allocate_ar(ipam_mad);
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}
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/**
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* Adds a previously allocated address range to the AR pool
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* @param rar pointer to the address range
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* @return 0 on success
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*/
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int add_ar(AddressRange * rar)
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{
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return ar_pool.add_ar(rar);
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}
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/**
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* Update an address range to the virtual network
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* @param ars_tmpl template in the form AR = [AR_ID=...]. The address range
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* is specified by the AR_ID attribute.
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* @param keep_restricted If true, the restricted attributes of the
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* current template will override the new template
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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 update_ar(
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VirtualNetworkTemplate* ars_tmpl,
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bool keep_restricted,
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std::string& error_msg);
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// *************************************************************************
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// Address hold/release interface
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// *************************************************************************
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/**
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* Holds a Lease, marking it as used
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* @param leases template in the form LEASES = [IP=XX].
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* The template can only contain one LEASE definition.
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* @param error_msg If the action fails, this message contains the reason.
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* @return 0 on success
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*/
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int hold_leases(VirtualNetworkTemplate * leases, std::string& error_msg);
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/**
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* Releases a Lease on hold
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* @param leases template in the form LEASES = [IP=XX].
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* The template can only contain one LEASE definition.
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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 free_leases(VirtualNetworkTemplate* leases, std::string& error_msg);
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// *************************************************************************
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// Address allocation funtions
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// *************************************************************************
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/**
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* Release previously given address lease
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* @param arid of the address range where the address was leased from
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* @param ot the type of the object requesting the address
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* @param oid the id of the object requesting the address
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* @param mac MAC address identifying the lease
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*/
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void free_addr(unsigned int arid, PoolObjectSQL::ObjectType ot, int oid,
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const std::string& mac)
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{
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ar_pool.free_addr(arid, ot, oid, mac);
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if (ot == PoolObjectSQL::VROUTER)
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{
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vrouters.del(oid);
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}
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}
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/**
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* Release previously given address lease
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* @param ot the type of the object requesting the address
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* @param oid the id of the object requesting the address
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* @param mac MAC address identifying the lease
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*/
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void free_addr(PoolObjectSQL::ObjectType ot, int oid, const std::string& mac)
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{
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ar_pool.free_addr(ot, oid, mac);
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if (ot == PoolObjectSQL::VROUTER)
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{
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vrouters.del(oid);
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}
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}
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/**
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* Release all previously given address leases to the given object
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* @param ot the type of the object requesting the address (VM or NET)
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* @param obid the id of the object requesting the address
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* @return the number of addresses freed
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*/
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int free_addr_by_owner(PoolObjectSQL::ObjectType ot, int obid)
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{
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return ar_pool.free_addr_by_owner(ot, obid);
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}
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/**
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* Release a previously leased address range
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* @param ot the type of the object requesting the address (VM or NET)
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* @param obid the id of the object requesting the address
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* @return the number of addresses freed
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*/
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int free_addr_by_range(unsigned int arid, PoolObjectSQL::ObjectType ot,
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int obid, const std::string& mac, unsigned int rsize)
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{
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return ar_pool.free_addr_by_range(arid, ot, obid, mac, rsize);
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}
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/**
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* Modifies the given nic attribute adding the following attributes:
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* * IP: leased from network
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* * MAC: leased from network
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* * BRIDGE: for this virtual network
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* @param nic attribute for the VM template
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* @param vid of the VM getting the lease
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* @param inherit_attrs Attributes to be inherited from the vnet template
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* into the nic
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* @return 0 on success
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*/
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int nic_attribute(
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VirtualMachineNic * nic,
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int vid,
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const std::vector<std::string>& inherit_attrs);
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/**
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* Modifies the given nic attribute adding the following attributes:
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* * IP: leased from network
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* * MAC: leased from network
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* @param nic attribute for the VRouter template
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* @param vrid of the VRouter getting the lease
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* @param inherit_attrs Attributes to be inherited from the vnet template
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* into the nic
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* @return 0 on success
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*/
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int vrouter_nic_attribute(
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VirtualMachineNic * nic,
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int vrid,
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const std::vector<std::string>& inherit_attrs);
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/**
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* From a Security Group rule that uses this vnet, creates a new rule
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* copy for each AR.
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*
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* @param rule original rule
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* @param new_rules vector where the new rules will be placed. Rules must
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* be deleted by the caller
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*/
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void process_security_rule(
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VectorAttribute * rule,
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std::vector<VectorAttribute*> &new_rules);
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// *************************************************************************
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// Network Reservation functions
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// *************************************************************************
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/**
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* Reserve an address range for this network and add it to the given AR
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* @param rid the reservation VNET ID to store the reserved AR
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* @param rsize number of addresses to reserve
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* @param rar the address range to place the reservation
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* @param err error message
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* @return 0 on success
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*/
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int reserve_addr(int rid, unsigned int rsize, AddressRange *rar,
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std::string& err);
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/**
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* Reserve an address range for this network and add it to the given AR
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* @param rid the reservation VNET ID to store the reserved AR
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* @param rsize number of addresses to reserve
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* @param ar_id of the ar to make the reservation from
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* @param rar the address range to place the reservation
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* @param err error message
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* @return 0 on success
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*/
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int reserve_addr(int rid, unsigned int rsize, unsigned int ar_id,
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AddressRange *rar, std::string& error_str);
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/**
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* Reserve an address range for this network and add it to the given vnet
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* @param rid the reservation VNET ID to store the reserved AR
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* @param rsize number of addresses to reserve
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* @param ar_id id of the address range to obtain the addresses
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* @param ip/mac the first ip/mac in the reservations
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* @param rar the address range to place the reservation
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* @param err error message
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* @return 0 on success
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*/
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int reserve_addr_by_mac(int rid, unsigned int rsize, unsigned int ar_id,
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const std::string& mac, AddressRange *rar, std::string& error_str);
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int reserve_addr_by_ip(int rid, unsigned int rsize, unsigned int ar_id,
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const std::string& ip, AddressRange *rar, std::string& error_str);
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int reserve_addr_by_ip6(int rid, unsigned int rsize, unsigned int ar_id,
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const std::string& ip6, AddressRange *rar, std::string& error_str);
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/**
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* Returns true if this VNET is a reservation
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* @return true if this VNET is a reservation
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*/
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bool is_reservation() const;
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// *************************************************************************
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// Formatting & Helper functions
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// *************************************************************************
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/**
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* Gets used leases
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* @return number of network leases in used
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*/
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unsigned int get_used() const
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{
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return ar_pool.get_used_addr();
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};
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/**
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* Gets total number of addresses
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* @return the number of addresses
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*/
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unsigned int get_size() const
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{
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return ar_pool.get_size();
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};
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/**
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* Returns the parent network used to create this VNET (if any)
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* @return the parent vnet id or -1 this vnet has no parent
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*/
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int get_parent() const
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{
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return parent_vid;
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};
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/**
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* Returns the parent address range used to create this AR (if any)
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* @param ar_id the id of the AR
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* @return the parent AR id or -1 this vnet has no parent
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*/
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int get_ar_parent(int ar_id) const
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{
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return ar_pool.get_ar_parent(ar_id);
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};
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/**
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* Function to print the VirtualNetwork object into a string in
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* XML format
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* @param xml the resulting XML string
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* @return a reference to the generated string
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*/
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std::string& to_xml(std::string& xml) const override;
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/**
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* Function to print the VirtualNetwork object into a string in
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* XML format. The extended XML includes the LEASES
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* @param xml the resulting XML string
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* @param vm_ids list of VM the user can access VNET usage info from.
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* A vector containing just -1 means all VMs.
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* @param vnet_ids list of VNET the user can access reservation info from.
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* A vector containing just -1 means all VNETs.
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* @param vrs list of VRouter the user can access reservation info from.
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* A vector containing just -1 means all VRouters.
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* @return a reference to the generated string
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*/
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std::string& to_xml_extended(std::string& xml, const std::vector<int>& vms,
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const std::vector<int>& vnets, const std::vector<int>& vrs) const;
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/**
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* Gets a string based attribute (single) from an address range. If the
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* attribute is not found in the address range, the VNET template will be
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* used
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* @param name of the attribute
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* @param value of the attribute (a string), will be "" if not defined or
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* not a single attribute
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* @param ar_id of the address attribute.
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*/
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void get_template_attribute(const std::string& name, std::string& value,
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int ar_id) const;
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/**
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* int version of get_template_attribute
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* @return 0 on success
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*/
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int get_template_attribute(const std::string& name, int& value,
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int ar_id) const;
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/**
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* Adds the security group of the VNet and its ARs to the given set
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* @param sgs to put the sg ids in
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*/
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void get_security_groups(std::set<int> & sgs);
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|
|
/**
|
|
* @return A copy of the VNET Template
|
|
*/
|
|
std::unique_ptr<VirtualNetworkTemplate> clone_template() const
|
|
{
|
|
auto new_vn = std::make_unique<VirtualNetworkTemplate>(*obj_template);
|
|
|
|
//Clone non-template attributes
|
|
// AUTOMATIC_VLAN_ID
|
|
// VLAN_ID
|
|
if ( vlan_id.empty() )
|
|
{
|
|
new_vn->replace("AUTOMATIC_VLAN_ID", "NO");
|
|
}
|
|
else
|
|
{
|
|
new_vn->replace("VLAN_ID", vlan_id);
|
|
}
|
|
|
|
if ( outer_vlan_id.empty() )
|
|
{
|
|
new_vn->replace("AUTOMATIC_OUTER_VLAN_ID", "NO");
|
|
}
|
|
else
|
|
{
|
|
new_vn->replace("OUTER_VLAN_ID", outer_vlan_id);
|
|
}
|
|
|
|
return new_vn;
|
|
};
|
|
|
|
/**
|
|
* Encrypt all secret attributes
|
|
*/
|
|
void encrypt() override;
|
|
|
|
/**
|
|
* Decrypt all secret attributes
|
|
*/
|
|
void decrypt() override;
|
|
|
|
private:
|
|
|
|
// -------------------------------------------------------------------------
|
|
// Friends
|
|
// -------------------------------------------------------------------------
|
|
friend class VirtualNetworkPool;
|
|
|
|
// *************************************************************************
|
|
// Virtual Network Private Attributes
|
|
// *************************************************************************
|
|
|
|
// -------------------------------------------------------------------------
|
|
// Binded physical attributes
|
|
// -------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Name of the vn mad
|
|
*/
|
|
std::string vn_mad;
|
|
|
|
/**
|
|
* Name of the bridge this VNW binds to
|
|
*/
|
|
std::string bridge;
|
|
|
|
/**
|
|
* Name of the physical device the bridge should be attached to
|
|
*/
|
|
std::string phydev;
|
|
|
|
/**
|
|
* VLAN ID of the NIC. When more than VLAN ID is used this refers to the
|
|
* link layer or outer/service VLAN_ID
|
|
*/
|
|
std::string vlan_id;
|
|
|
|
/**
|
|
* Used for double tagging of VM traffic. This id refers to the transport
|
|
* layer or outer/service VLAN_ID
|
|
*/
|
|
std::string outer_vlan_id;
|
|
|
|
/**
|
|
* If the VLAN has been set automatically
|
|
*/
|
|
bool vlan_id_automatic;
|
|
|
|
/**
|
|
* If the outer VLAN has been set automatically
|
|
*/
|
|
bool outer_vlan_id_automatic;
|
|
|
|
/**
|
|
* Parent VNET ID if any
|
|
*/
|
|
int parent_vid;
|
|
|
|
/**
|
|
* Security Groups
|
|
*/
|
|
std::set<int> security_groups;
|
|
|
|
/**
|
|
* The Address Range Pool
|
|
*/
|
|
AddressRangePool ar_pool;
|
|
|
|
/**
|
|
* Set of Virtual Router IDs
|
|
*/
|
|
ObjectCollection vrouters;
|
|
|
|
/**
|
|
* Bridge type of the VirtualNetwork
|
|
*/
|
|
std::string bridge_type;
|
|
|
|
// *************************************************************************
|
|
// VLAN ID functions
|
|
// *************************************************************************
|
|
|
|
/**
|
|
* This function parses the VLAN attribute and clears the associated
|
|
* automatic flag if set.
|
|
* @param id_name of the VLAN attribute VLAN_ID or OUTER_VLAN_ID
|
|
* @param auto_name of automatic flag AUTOMATIC_VLAN_ID or
|
|
* AUTOMATIC_OUTER_VLAN_ID
|
|
* @param id the associated vlan variable
|
|
* @param auto the associated automatic variable
|
|
*/
|
|
void parse_vlan_id(const char * id_name, const char * auto_name,
|
|
std::string& id, bool& auto_id);
|
|
|
|
// *************************************************************************
|
|
// Address allocation funtions
|
|
// *************************************************************************
|
|
|
|
/**
|
|
* Gets a new address lease for a specific VM
|
|
* @param ot the type of the object requesting the address
|
|
* @param oid the id of the object requesting the address
|
|
* @param nic the VM NIC attribute to be filled with the lease info.
|
|
* @param inherit attributes from the address range to include in the NIC
|
|
* @return 0 if success
|
|
*/
|
|
int allocate_addr(PoolObjectSQL::ObjectType ot, int oid,
|
|
VectorAttribute * nic, const std::vector<std::string>& inherit)
|
|
{
|
|
return ar_pool.allocate_addr(ot, oid, nic, inherit);
|
|
}
|
|
|
|
/**
|
|
* Gets a new address lease for a specific VM by MAC/IP
|
|
* @param ot the type of the object requesting the address
|
|
* @param oid the id of the object requesting the address
|
|
* @param mac/ip the MAC/IP address requested
|
|
* @param nic the VM NIC attribute to be filled with the lease info.
|
|
* @param inherit attributes from the address range to include in the NIC
|
|
* @return 0 if success
|
|
*/
|
|
int allocate_by_mac(PoolObjectSQL::ObjectType ot,
|
|
int oid,
|
|
const std::string& mac,
|
|
VectorAttribute * nic,
|
|
const std::vector<std::string>& inherit)
|
|
{
|
|
return ar_pool.allocate_by_mac(mac, ot, oid, nic, inherit);
|
|
}
|
|
|
|
int allocate_by_ip(PoolObjectSQL::ObjectType ot,
|
|
int oid,
|
|
const std::string& ip,
|
|
VectorAttribute * nic,
|
|
const std::vector<std::string>& inherit)
|
|
{
|
|
return ar_pool.allocate_by_ip(ip, ot, oid, nic, inherit);
|
|
}
|
|
|
|
int allocate_by_ip6(PoolObjectSQL::ObjectType ot,
|
|
int oid,
|
|
const std::string& ip,
|
|
VectorAttribute * nic,
|
|
const std::vector<std::string>& inherit)
|
|
{
|
|
return ar_pool.allocate_by_ip6(ip, ot, oid, nic, inherit);
|
|
}
|
|
|
|
// *************************************************************************
|
|
// BRIDGE TYPE functions
|
|
// *************************************************************************
|
|
|
|
/**
|
|
* This function parses the BRIDGE TYPE attribute.
|
|
*
|
|
* @param br_type the bridge type associated to the nic
|
|
*/
|
|
int parse_bridge_type(const std::string &vn_mad, std::string &error_str);
|
|
|
|
// *************************************************************************
|
|
// DataBase implementation (Private)
|
|
// *************************************************************************
|
|
|
|
/**
|
|
* Execute an INSERT or REPLACE Sql query.
|
|
* @param db The SQL DB
|
|
* @param replace Execute an INSERT or a REPLACE
|
|
* @param error_str Returns the error reason, if any
|
|
* @return 0 on success
|
|
*/
|
|
int insert_replace(SqlDB *db, bool replace, std::string& error_str);
|
|
|
|
/**
|
|
* Bootstraps the database table(s) associated to the Virtual Network
|
|
* @return 0 on success
|
|
*/
|
|
static int bootstrap(SqlDB * db);
|
|
|
|
/**
|
|
* Function to print the VirtualNetwork object into a string in
|
|
* XML format
|
|
* @param xml the resulting XML string
|
|
* @param extended_and_check If true, leases are included and permissions are checked
|
|
* @return a reference to the generated string
|
|
*/
|
|
std::string& to_xml_extended(std::string& xml, bool extended_and_check,
|
|
const std::vector<int>& vm_ids, const std::vector<int>& vnet_oids,
|
|
const std::vector<int>& vr_ids) const;
|
|
|
|
/**
|
|
* Rebuilds the object from an xml formatted string
|
|
* @param xml_str The xml-formatted string
|
|
*
|
|
* @return 0 on success, -1 otherwise
|
|
*/
|
|
int from_xml(const std::string &xml_str) override;
|
|
|
|
/**
|
|
* Updates the BRIDGE, PHYDEV, and VLAN_ID attributes.
|
|
* @param error string describing the error if any
|
|
* @return 0 on success
|
|
*/
|
|
int post_update_template(std::string& error) override;
|
|
|
|
//**************************************************************************
|
|
// Constructor
|
|
//**************************************************************************
|
|
|
|
VirtualNetwork(int uid,
|
|
int gid,
|
|
const std::string& _uname,
|
|
const std::string& _gname,
|
|
int _umask,
|
|
int _parent_vid,
|
|
const std::set<int> &_cluster_ids,
|
|
std::unique_ptr<VirtualNetworkTemplate> _vn_template = 0);
|
|
|
|
// *************************************************************************
|
|
// DataBase implementation
|
|
// *************************************************************************
|
|
|
|
/**
|
|
* Writes the Virtual Network and its associated template and leases in the database.
|
|
* @param db pointer to the db
|
|
* @return 0 on success
|
|
*/
|
|
int insert(SqlDB * db, std::string& error_str) override;
|
|
|
|
/**
|
|
* Writes/updates the Virtual Network data fields in the database.
|
|
* @param db pointer to the db
|
|
* @return 0 on success
|
|
*/
|
|
int update(SqlDB * db) override
|
|
{
|
|
std::string error_str;
|
|
return insert_replace(db, true, error_str);
|
|
}
|
|
};
|
|
|
|
#endif /*VIRTUAL_NETWORK_H_*/
|