mirror of
https://github.com/OpenNebula/one.git
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241 lines
6.5 KiB
C++
241 lines
6.5 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 HISTORY_H_
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#define HISTORY_H_
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#include "ObjectSQL.h"
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#include "ObjectXML.h"
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#include "VMActions.h"
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using namespace std;
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/**
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* The History class, it represents an execution record of a Virtual Machine.
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*/
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class History:public ObjectSQL, public ObjectXML
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{
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public:
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History(int oid, int _seq = -1);
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History(
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int oid,
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int seq,
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int hid,
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const string& hostname,
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int cid,
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const string& vmm,
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const string& tmm,
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int ds_id,
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const string& vm_info);
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~History(){};
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/**
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* Function to write the History Record in an output stream
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*/
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friend ostream& operator<<(ostream& os, const History& history);
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/**
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* Function to print the History 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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string& to_xml(string& xml) const;
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/**
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* Function to print the History object into a string in
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* XML format with reduce information
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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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string& to_xml_short(string& xml) const;
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private:
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friend class VirtualMachine;
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friend class VirtualMachinePool;
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// ----------------------------------------
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// DataBase implementation variables
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// ----------------------------------------
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static const char * table;
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static const char * db_names;
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static const char * db_bootstrap;
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void non_persistent_data();
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// ----------------------------------------
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// History fields
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// ----------------------------------------
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int oid;
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int seq;
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int uid;
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int gid;
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int req_id;
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int hid;
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string hostname;
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int cid;
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string vmm_mad_name;
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string tm_mad_name;
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int ds_id;
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time_t stime;
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time_t etime;
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time_t prolog_stime;
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time_t prolog_etime;
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time_t running_stime;
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time_t running_etime;
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time_t epilog_stime;
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time_t epilog_etime;
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VMActions::Action action;
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string vm_info;
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// -------------------------------------------------------------------------
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// Non-persistent history fields
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// -------------------------------------------------------------------------
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// Local paths
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string transfer_file;
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string deployment_file;
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string context_file;
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string token_file;
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// Remote paths
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string checkpoint_file;
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string rdeployment_file;
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string system_dir;
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/**
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* Writes the history record in the DB
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* @param db pointer to the database.
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* @return 0 on success.
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*/
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int insert(SqlDB * db, string& error_str)
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{
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error_str.clear();
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return insert_replace(db, false);
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}
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/**
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* Reads the history record from the DB
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* @param db pointer to the database.
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* @return 0 on success.
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*/
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int select(SqlDB * db);
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/**
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* Updates the history record
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* @param db pointer to the database.
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* @return 0 on success.
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*/
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int update(SqlDB * db)
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{
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return insert_replace(db, true);
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}
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/**
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* Removes the all history records from the DB
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* @param db pointer to the database.
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* @return 0 on success.
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*/
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int drop(SqlDB * db);
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/**
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* Execute an INSERT or REPLACE Sql query.
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* @param db The SQL DB
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* @param replace Execute an INSERT or a REPLACE
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* @return 0 on success
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*/
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int insert_replace(SqlDB *db, bool replace);
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/**
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* Callback function to unmarshall a history object (History::select)
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* @param num the number of columns read from the DB
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* @para names the column names
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* @para vaues the column values
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* @return 0 on success
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*/
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int select_cb(void *nil, int num, char **values, char **names);
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/**
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* Function to print the History object into a string in
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* XML format, to be stored in the DB. It includes the VM template info
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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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string& to_db_xml(string& xml) const;
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/**
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* Function to print the History object into a string in
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* XML format. The VM info can be optionally included
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* @param xml the resulting XML string
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* @param database If it is true, the TEMPLATE element will be included
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* @return a reference to the generated string
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*/
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string& to_xml(string& xml, bool database) const;
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string& to_json(string& json) const;
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string& to_token(string& text) const;
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/**
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* Rebuilds the object from an xml node
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* @param node The xml node pointer
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*
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* @return 0 on success, -1 otherwise
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*/
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int from_xml_node(const xmlNodePtr node)
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{
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ObjectXML::update_from_node(node);
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return rebuild_attributes();
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}
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/**
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* Rebuilds the object from an xml formatted string
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* @param xml_str The xml-formatted string
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*
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* @return 0 on success, -1 otherwise
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*/
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int from_xml(const string &xml_str)
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{
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ObjectXML::update_from_str(xml_str);
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return rebuild_attributes();
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}
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/**
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* Rebuilds the internal attributes using xpath
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*/
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int rebuild_attributes();
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};
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#endif /*HISTORY_H_*/
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