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b89e38833c
Next step is to add NIC_ID attribute to each NIC, and process ATTACHNIC in driver manager
300 lines
8.5 KiB
C++
300 lines
8.5 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2012, 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_MACHINE_MANAGER_DRIVER_H_
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#define VIRTUAL_MACHINE_MANAGER_DRIVER_H_
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#include <map>
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#include <string>
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#include <sstream>
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#include "Mad.h"
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#include "VirtualMachinePool.h"
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using namespace std;
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/**
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* VirtualMachineManagerDriver provides a base class to implement VM Manager
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* Drivers. This class implements the protocol and recover functions
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* from the Mad interface. Classes derived from the VirtualMachineManagerDriver
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* must implement the deployment function to generate specific VM
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* deployment information for the unerlying MAD.
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*/
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class VirtualMachineManagerDriver : public Mad
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{
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public:
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VirtualMachineManagerDriver(
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int userid,
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const map<string,string>& attrs,
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bool sudo,
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VirtualMachinePool * pool);
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virtual ~VirtualMachineManagerDriver(){};
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/**
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* Implements the VM Manager driver protocol.
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* @param message the string read from the driver
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*/
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void protocol(
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string& message);
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/**
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* TODO: What do we need here? just poll the active VMs to recover
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* connections? Or an specific recover action from the MAD?
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*/
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void recover();
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/**
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* Generates a driver-specific deployment file:
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* @param vm pointer to a virtual machine
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* @param file_name to generate the deployment description
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* @return 0 on success
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*/
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virtual int deployment_description(
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const VirtualMachine * vm,
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const string& file_name) const = 0;
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protected:
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/**
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* Gets a configuration attr from driver configuration file (single
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* version)
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* @param name of config attribute
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* @param value of the attribute
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*/
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void get_default(
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const char * name,
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string& value) const
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{
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string sn = name;
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driver_conf.get(sn,value);
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}
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/**
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* Gets a configuration attr from driver configuration file (vector
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* version)
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* @param name of config vector attribute for the domain
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* @param vname of the attribute
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* @param value of the attribute
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*/
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void get_default(
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const char * name,
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const char * vname,
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string& value) const;
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private:
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/**
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* Configuration file for the driver
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*/
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Template driver_conf;
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/**
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* Pointer to the Virtual Machine Pool, to access VMs
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*/
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VirtualMachinePool * vmpool;
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friend class VirtualMachineManager;
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/**
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* Sends a deploy request to the MAD: "DEPLOY ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void deploy (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("DEPLOY", oid, drv_msg);
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}
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/**
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* Sends a shutdown request to the MAD: "SHUTDOWN ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void shutdown (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("SHUTDOWN", oid, drv_msg);
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}
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/**
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* Sends a reset request to the MAD: "RESET ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void reset (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("RESET", oid, drv_msg);
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}
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/**
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* Sends a reboot request to the MAD: "REBOOT ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void reboot (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("REBOOT", oid, drv_msg);
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}
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/**
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* Sends a cancel request to the MAD: "CANCEL ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void cancel (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("CANCEL", oid, drv_msg);
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}
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/**
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* Sends a checkpoint request to the MAD: "CHECKPOINT ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void checkpoint (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("CHECKPOINT", oid, drv_msg);
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}
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/**
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* Sends a save request to the MAD: "SAVE ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void save (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("SAVE", oid, drv_msg);
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}
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/**
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* Sends a save request to the MAD: "RESTORE ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void restore (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("RESTORE", oid, drv_msg);
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}
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/**
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* Sends a migrate request to the MAD: "MIGRATE ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void migrate (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("MIGRATE", oid, drv_msg);
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}
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/**
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* Sends a poll request to the MAD: "POLL ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void poll (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("POLL", oid, drv_msg);
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}
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/**
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* Sends an attach request to the MAD: "ATTACHDISK ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void attach (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("ATTACHDISK", oid, drv_msg);
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}
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/**
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* Sends a detach request to the MAD: "DETACHDISK ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void detach (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("DETACHDISK", oid, drv_msg);
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}
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/**
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* Sends an attach NIC request to the MAD: "ATTACHNIC ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void attach_nic (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("ATTACHNIC", oid, drv_msg);
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}
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/**
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* Sends a detach request to the MAD: "DETACHNIC ID XML_DRV_MSG"
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* @param oid the virtual machine id.
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* @param drv_msg xml data for the mad operation
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*/
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void detach_nic (
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const int oid,
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const string& drv_msg) const
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{
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write_drv("DETACHNIC", oid, drv_msg);
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}
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private:
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void write_drv(const char * aname, const int oid, const string& msg) const
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{
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ostringstream os;
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os << aname << " " << oid << " " << msg << endl;
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write(os);
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}
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};
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/* -------------------------------------------------------------------------- */
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/* -------------------------------------------------------------------------- */
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#endif /*VIRTUAL_MACHINE_MANAGER_DRIVER_H_*/
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