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108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/* -------------------------------------------------------------------------- */
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/* Copyright 2002-2022, 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_MACHINE_MONITOR_INFO_H_
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#define VIRTUAL_MACHINE_MONITOR_INFO_H_
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#include "Template.h"
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#include <string>
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/**
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* Virtual Machine Monitor class, stores the monitor data for the VM in
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* template format.
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*
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* The template is free format but the following keys are used:
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* - ID of the VM (mandatory)
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* - TIMESTAMP of the monitoring record (mandatory)
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* - CPU, MEMORY
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*
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* Example:
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*
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* <MONITORING>
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* <TIMESTAMP>1584698508</TIMESTAMP>
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* <ID>0</ID>
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* <CPU><![CDATA[5.02]]></CPU>
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* <DISKRDBYTES><![CDATA[346366848]]></DISKRDBYTES>
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* <DISKRDIOPS><![CDATA[9935]]></DISKRDIOPS>
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* <DISKWRBYTES><![CDATA[1058840064]]></DISKWRBYTES>
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* <DISKWRIOPS><![CDATA[107167]]></DISKWRIOPS>
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* <MEMORY><![CDATA[1098912]]></MEMORY>
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* <NETRX><![CDATA[567412942]]></NETRX>
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* <NETTX><![CDATA[3592223]]></NETTX>
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* </MONITORING>
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*/
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class VirtualMachineMonitorInfo
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{
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public:
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VirtualMachineMonitorInfo()
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: _oid(-1)
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, _timestamp(0)
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{
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}
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VirtualMachineMonitorInfo(int oid, time_t timestamp)
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: _oid(oid)
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, _timestamp(timestamp)
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{
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}
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/**
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* @return a xml string representation of the monitoring record
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*/
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std::string to_xml() const;
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/**
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* @return a xml string including only STATE, CPU and MEMORY attributes
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*/
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std::string to_xml_short() const;
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/**
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* Loads an exisiting monitoring record from xml_string.
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* @param xml_string representation
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* @return 0 on succes, -1 otherwise
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*/
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int from_xml(const std::string& xml_string);
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/**
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* The contents of the provided template are merged with any previous
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* exisiting data, preserving it.
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* @param tmpl with monitoring attributes
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* @return 0 on succes, -1 otherwise
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*/
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int from_template(const Template &tmpl);
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// -------------------------------------------------------------------------
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// Class set/getters
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// -------------------------------------------------------------------------
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int oid() const { return _oid; }
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void oid(int oid) { _oid = oid; }
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time_t timestamp() const { return _timestamp; }
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void timestamp(time_t timestamp) { _timestamp = timestamp; }
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private:
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int _oid;
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time_t _timestamp;
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Template monitoring{false, '=', "MONITORING"};
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};
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#endif
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