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pandorafms/pandora_console/include/functions_db.php

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<?php
// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2011 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; version 2
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
/**
* @package Include
* @subpackage DataBase
*/
require_once $config['homedir'].'/include/functions_extensions.php';
require_once $config['homedir'].'/include/functions_groups.php';
require_once $config['homedir'].'/include/functions_agents.php';
require_once $config['homedir'].'/include/functions_modules.php';
require_once $config['homedir'].'/include/functions_alerts.php';
require_once $config['homedir'].'/include/functions_users.php';
require_once $config['homedir'].'/include/functions_ui.php';
function db_select_engine()
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
include_once $config['homedir'].'/include/db/mysql.php';
break;
case 'postgresql':
include_once $config['homedir'].'/include/db/postgresql.php';
break;
case 'oracle':
include_once $config['homedir'].'/include/db/oracle.php';
break;
}
}
/**
* Connects to target DB.
*
* @param array $setup Database definition.
*
* @return mixed Dbconnection or null.
*/
function get_dbconnection(array $setup)
{
return mysqli_connect(
$setup['dbhost'],
$setup['dbuser'],
$setup['dbpass'],
$setup['dbname'],
$setup['dbport']
);
}
function db_connect($host=null, $db=null, $user=null, $pass=null, $port=null, $critical=true, $charset=null)
{
global $config;
static $error = 0;
switch ($config['dbtype']) {
case 'mysql':
$return = mysql_connect_db($host, $db, $user, $pass, $port, $charset);
break;
case 'postgresql':
$return = postgresql_connect_db($host, $db, $user, $pass, $port);
break;
case 'oracle':
$return = oracle_connect_db($host, $db, $user, $pass, $port);
break;
default:
$return = false;
}
// Something went wrong
if ($return === false) {
if ($critical) {
$url = explode('/', $_SERVER['REQUEST_URI']);
$flag_url = 0;
foreach ($url as $key => $value) {
if (strpos($value, 'index.php') !== false || $flag_url) {
$flag_url = 1;
unset($url[$key]);
} else if (strpos($value, 'enterprise') !== false || $flag_url) {
$flag_url = 1;
unset($url[$key]);
}
}
$config['homeurl'] = rtrim(join('/', $url), '/');
$config['homeurl_static'] = $config['homeurl'];
$ownDir = dirname(__FILE__).DIRECTORY_SEPARATOR;
$config['homedir'] = $ownDir;
$login_screen = 'error_authconfig';
include $config['homedir'].'../general/error_screen.php';
exit;
} else if ($error == 0) {
// Display the error once even if multiple connection attempts are made
$error = 1;
ui_print_error_message(__('Error connecting to database %s at %s.', $db, $host));
}
}
return $return;
}
/**
* When you delete (with the function "db_process_sql_delete" or other) any row in
* any table, some times the cache save the data just deleted, because you
* must use "db_clean_cache".
*/
/**
* Escape string to set it properly to use in sql queries
*
* @param string String to be cleaned.
*
* @return string String cleaned.
*/
function db_escape_string_sql($string)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_escape_string_sql($string);
break;
case 'postgresql':
return postgresql_escape_string_sql($string);
break;
case 'oracle':
return oracle_escape_string_sql($string);
break;
}
}
function db_encapsule_fields_with_same_name_to_instructions($field)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_encapsule_fields_with_same_name_to_instructions($field);
break;
case 'postgresql':
return postgresql_encapsule_fields_with_same_name_to_instructions($field);
break;
case 'oracle':
return oracle_encapsule_fields_with_same_name_to_instructions($field);
break;
}
}
// Alias for 'db_encapsule_fields_with_same_name_to_instructions'
function db_escape_key_identifier($field)
{
return db_encapsule_fields_with_same_name_to_instructions($field);
}
/**
* Adds an audit log entry (new function in 3.0)
*
* @param string $accion Action description
* @param string $descripcion Long action description
* @param string $id User id, by default is the user that login.
* @param string $ip The ip to make the action, by default is $_SERVER['REMOTE_ADDR'] or $config["remote_addr"]
* @param string $info The extended info for enterprise audit, by default is empty string.
*
* @return integer Return the id of row in tsesion or false in case of fail.
*/
function db_pandora_audit($accion, $descripcion, $user_id=false, $ip=true, $info='')
{
global $config;
// Ignore $ip and always set the ip address
if (isset($config['remote_addr'])) {
$ip = $config['remote_addr'];
} else {
if ($_SERVER['REMOTE_ADDR']) {
$ip = $_SERVER['REMOTE_ADDR'];
} else {
$ip = __('N/A');
}
}
if ($user_id !== false) {
$id = $user_id;
} else {
if (isset($config['id_user'])) {
$id = $config['id_user'];
} else {
$id = 0;
}
}
$accion = io_safe_input($accion);
$descripcion = io_safe_input($descripcion);
switch ($config['dbtype']) {
case 'mysql':
case 'postgresql':
$values = [
'id_usuario' => $id,
'accion' => $accion,
'ip_origen' => $ip,
'descripcion' => $descripcion,
'fecha' => date('Y-m-d H:i:s'),
'utimestamp' => time(),
];
break;
case 'oracle':
$values = [
'id_usuario' => $id,
'accion' => $accion,
'ip_origen' => $ip,
'descripcion' => $descripcion,
'fecha' => '#to_date(\''.date('Y-m-d H:i:s').'\',\'YYYY-MM-DD HH24:MI:SS\')',
'utimestamp' => time(),
];
break;
}
$id_audit = db_process_sql_insert('tsesion', $values);
$valor = ''.$values['fecha'].' - '.io_safe_output($id).' - '.io_safe_output($accion).' - '.$ip.' - '.io_safe_output($descripcion)."\n";
if ($config['audit_log_enabled']) {
file_put_contents($config['homedir'].'/log/audit.log', $valor, FILE_APPEND);
}
enterprise_include_once('include/functions_audit.php');
enterprise_hook('audit_pandora_enterprise', [$id_audit, $info]);
return $id_audit;
}
/**
* Log in a user into Pandora.
*
* @param string $id_user User id
* @param string $ip Client user IP address.
*/
function db_logon($id_user, $ip)
{
db_pandora_audit('Logon', 'Logged in', $id_user, $ip);
// Update last registry of user to set last logon. How do we audit when the user was created then?
process_user_contact($id_user);
}
/**
* Log out a user into Pandora.
*
* @param string $id_user User id
* @param string $ip Client user IP address.
*/
function db_logoff($id_user, $ip)
{
db_pandora_audit('Logoff', 'Logged out', $id_user, $ip);
}
$sql_cache = ['saved' => []];
/**
* Get the first value of the first row of a table in the database.
*
* @param string Field name to get
* @param string Table to retrieve the data
* @param string Field to filter elements
* @param string Condition the field must have
*
* @return mixed Value of first column of the first row. False if there were no row.
*/
function db_get_value($field, $table, $field_search=1, $condition=1, $search_history_db=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_value($field, $table, $field_search, $condition, $search_history_db);
break;
case 'postgresql':
return postgresql_db_get_value($field, $table, $field_search, $condition, $search_history_db);
break;
case 'oracle':
return oracle_db_get_value($field, $table, $field_search, $condition, $search_history_db);
break;
}
}
/**
* Get the first value of the first row of a table in the database from an
* array with filter conditions.
*
* Example:
* <code>
* db_get_value_filter ('name', 'talert_templates',
* array ('value' => 2, 'type' => 'equal'));
* // Equivalent to:
* // SELECT name FROM talert_templates WHERE value = 2 AND type = 'equal' LIMIT 1
*
* db_get_value_filter ('description', 'talert_templates',
* array ('name' => 'My alert', 'type' => 'regex'), 'OR');
* // Equivalent to:
* // SELECT description FROM talert_templates WHERE name = 'My alert' OR type = 'equal' LIMIT 1
* </code>
*
* @param string Field name to get
* @param string Table to retrieve the data
* @param array Conditions to filter the element. See db_format_array_where_clause_sql()
* for the format
* @param string Join operator for the elements in the filter.
*
* @return mixed Value of first column of the first row. False if there were no row.
*/
function db_get_value_filter($field, $table, $filter, $where_join='AND', $search_history_db=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_value_filter($field, $table, $filter, $where_join, $search_history_db);
break;
case 'postgresql':
return postgresql_db_get_value_filter($field, $table, $filter, $where_join, $search_history_db);
break;
case 'oracle':
return oracle_db_get_value_filter($field, $table, $filter, $where_join, $search_history_db);
break;
}
}
/**
* Get the first value of the first row of a table result from query.
*
* @param string SQL select statement to execute.
*
* @return the first value of the first row of a table result from query.
*/
function db_get_value_sql($sql, $dbconnection=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_value_sql($sql, $dbconnection);
break;
case 'postgresql':
return postgresql_db_get_value_sql($sql, $dbconnection);
break;
case 'oracle':
return oracle_db_get_value_sql($sql, $dbconnection);
break;
}
}
/**
* Get the first row of an SQL database query.
*
* @param string SQL select statement to execute.
*
* @return mixed The first row of the result or false
*/
function db_get_row_sql($sql, $search_history_db=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_row_sql($sql, $search_history_db);
break;
case 'postgresql':
return postgresql_db_get_row_sql($sql, $search_history_db);
break;
case 'oracle':
return oracle_db_get_row_sql($sql, $search_history_db);
break;
}
}
/**
* Get the first row of a database query into a table.
*
* The SQL statement executed would be something like:
* "SELECT (*||$fields) FROM $table WHERE $field_search = $condition"
*
* @param string Table to get the row
* @param string Field to filter elements
* @param string Condition the field must have.
* @param mixed Fields to select (array or string or false/empty for *)
*
* @return mixed The first row of a database query or false.
*/
function db_get_row($table, $field_search, $condition, $fields=false, $cache=true)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_row($table, $field_search, $condition, $fields, $cache);
break;
case 'postgresql':
return postgresql_db_get_row($table, $field_search, $condition, $fields);
break;
case 'oracle':
return oracle_db_get_row($table, $field_search, $condition, $fields);
break;
}
}
/**
* Get the row of a table in the database using a complex filter.
*
* @param string Table to retrieve the data (warning: not cleaned)
* @param mixed Filters elements. It can be an indexed array
* (keys would be the field name and value the expected value, and would be
* joined with an AND operator) or a string, including any SQL clause (without
* the WHERE keyword). Example:
<code>
Both are similars:
db_get_row_filter ('table', array ('disabled', 0));
db_get_row_filter ('table', 'disabled = 0');
Both are similars:
db_get_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name, description', 'OR');
db_get_row_filter ('table', 'disabled = 0 OR history_data = 0', 'name, description');
db_get_row_filter ('table', array ('disabled' => 0, 'history_data' => 0), array ('name', 'description'), 'OR');
</code>
* @param mixed Fields of the table to retrieve. Can be an array or a coma
* separated string. All fields are retrieved by default
* @param string Condition to join the filters (AND, OR).
*
* @return mixed Array of the row or false in case of error.
*/
function db_get_row_filter($table, $filter, $fields=false, $where_join='AND', $historydb=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_row_filter($table, $filter, $fields, $where_join, $historydb);
break;
case 'postgresql':
return postgresql_db_get_row_filter($table, $filter, $fields, $where_join);
break;
case 'oracle':
return oracle_db_get_row_filter($table, $filter, $fields, $where_join);
break;
}
}
/**
* Get a single field in the databse from a SQL query.
*
* @param string SQL statement to execute
* @param mixed Field number or row to get, beggining by 0. Default: 0
*
* @return mixed The selected field of the first row in a select statement.
*/
function db_get_sql($sql, $field=0, $search_history_db=false)
{
$result = db_get_all_rows_sql($sql, $search_history_db);
if ($result === false) {
return false;
}
$ax = 0;
foreach ($result[0] as $f) {
if ($field == $ax) {
return $f;
}
$ax++;
}
}
/**
* Get all the result rows using an SQL statement.
*
* @param string SQL statement to execute.
* @param bool If want to search in history database also
* @param bool If want to use cache (true by default)
*
* @return mixed A matrix with all the values returned from the SQL statement or
* false in case of empty result
*/
function db_get_all_rows_sql($sql, $search_history_db=false, $cache=true, $dbconnection=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_all_rows_sql($sql, $search_history_db, $cache, $dbconnection);
break;
case 'postgresql':
return postgresql_db_get_all_rows_sql($sql, $search_history_db, $cache, $dbconnection);
break;
case 'oracle':
return oracle_db_get_all_rows_sql($sql, $search_history_db, $cache, $dbconnection);
break;
}
}
/**
* Returns the time the module is in unknown status (by events)
*
* @param integer $id_agente_modulo module to check
* @param integer $tstart begin of search
* @param integer $tend end of search
*/
function db_get_module_ranges_unknown($id_agente_modulo, $tstart=false, $tend=false, $historydb=false, $fix_to_range=0)
{
global $config;
if (!isset($id_agente_modulo)) {
return false;
}
if ((!isset($tstart)) || ($tstart === false)) {
// Return data from the begining
$tstart = 0;
}
if ((!isset($tend)) || ($tend === false)) {
// Return data until now
$tend = time();
}
if ($tstart > $tend) {
return false;
}
// Retrieve going unknown events in range
$query = 'SELECT * FROM tevento WHERE id_agentmodule = '.$id_agente_modulo." AND event_type like 'going_%' "." AND utimestamp >= $tstart AND utimestamp <= $tend ".' ORDER BY utimestamp ASC';
$events = db_get_all_rows_sql($query, $historydb);
$query = 'SELECT * FROM tevento WHERE id_agentmodule = '.$id_agente_modulo." AND event_type like 'going_%' "." AND utimestamp < $tstart ".' ORDER BY utimestamp DESC LIMIT 1;';
$previous_event = db_get_all_rows_sql($query, $historydb);
if ($previous_event !== false) {
$last_status = $previous_event[0]['event_type'] == 'going_unknown' ? 1 : 0;
} else {
$last_status = 0;
}
if ((! is_array($events)) && (! is_array($previous_event))) {
return false;
}
if (! is_array($events)) {
if ($previous_event[0]['event_type'] == 'going_unknown') {
return [
[
'time_from' => (($fix_to_range == 1) ? $tstart : $previous_event[0]['utimestamp']),
],
];
}
}
$return = [];
$i = 0;
if (is_array($events)) {
foreach ($events as $event) {
switch ($event['event_type']) {
case 'going_up_critical':
case 'going_up_warning':
case 'going_up_normal':
case 'going_down_critical':
case 'going_down_warning':
case 'going_down_normal':{
if ($last_status == 1) {
$return[$i]['time_to'] = $event['utimestamp'];
$i++;
$last_status = 0;
}
break;
}
case 'going_unknown':{
if ($last_status == 0) {
$return[$i] = [];
$return[$i]['time_from'] = $event['utimestamp'];
$last_status = 1;
}
break;
}
}
}
}
if (!isset($return[0])) {
return false;
}
return $return;
}
/**
* Uncompresses and returns the data of a given id_agent_module
*
* @param integer $id_agente_modulo id_agente_modulo
* @param utimestamp $tstart Begin of the catch
* @param utimestamp $tend End of the catch
* @param integer $interval Size of slice (default-> module_interval)
*
* @return hash with the data uncompressed in blocks of module_interval
* false in case of empty result
*
* Note: All "unknown" data are marked as NULL
* Warning: Be careful with the amount of data, check your RAM size available
* We'll return a bidimensional array
* Structure returned: schema:
*
* uncompressed_data =>
* pool_id (int)
* utimestamp (start of current slice)
* data
* array
* datos
* utimestamp
*/
function db_uncompress_module_data($id_agente_modulo, $tstart=false, $tend=false, $slice_size=false)
{
global $config;
if (!isset($id_agente_modulo)) {
return false;
}
if ((!isset($tend)) || ($tend === false)) {
// Return data until now
$tend = time();
}
if ($tstart > $tend) {
return false;
}
$search_historydb = false;
$table = 'tagente_datos';
$module = modules_get_agentmodule($id_agente_modulo);
if ($module === false) {
// module not exists
return false;
}
$module_type = $module['id_tipo_modulo'];
$module_type_str = modules_get_type_name($module_type);
if (strstr($module_type_str, 'string') !== false) {
$table = 'tagente_datos_string';
}
$flag_async = false;
if (strstr($module_type_str, 'async_data') !== false) {
$flag_async = true;
}
if (strstr($module_type_str, 'async_proc') !== false) {
$flag_async = true;
}
$result = modules_get_first_date($id_agente_modulo, $tstart);
$first_utimestamp = $result['first_utimestamp'];
$search_historydb = $result['search_historydb'];
if ($first_utimestamp === false) {
$first_data['utimestamp'] = $tstart;
$first_data['datos'] = false;
} else {
$query = "SELECT datos,utimestamp FROM $table ";
$query .= " WHERE id_agente_modulo=$id_agente_modulo ";
$query .= ' AND utimestamp = '.$first_utimestamp;
$data = db_get_all_rows_sql($query, $search_historydb);
if ($data === false) {
// first utimestamp not found in active database
// SEARCH HISTORY DB
$search_historydb = true;
$data = db_get_all_rows_sql($query, $search_historydb);
}
if ($data === false) {
// Not init
$first_data['utimestamp'] = $tstart;
$first_data['datos'] = false;
} else {
$first_data['utimestamp'] = $data[0]['utimestamp'];
$first_data['datos'] = $data[0]['datos'];
}
}
$query = " SELECT utimestamp, datos FROM $table ";
$query .= " WHERE id_agente_modulo=$id_agente_modulo AND utimestamp >= $tstart AND utimestamp <= $tend";
$query .= ' ORDER BY utimestamp ASC';
// Retrieve all data from module in given range
$raw_data = db_get_all_rows_sql($query, $search_historydb);
$module_interval = modules_get_interval($id_agente_modulo);
if (($raw_data === false) && ( $first_utimestamp === false )) {
// No data
return false;
}
// Retrieve going unknown events in range
$unknown_events = db_get_module_ranges_unknown(
$id_agente_modulo,
$tstart,
$tend,
$search_historydb,
1
);
// if time to is missing in last event force time to outside range time
if ($unknown_events && !isset($unknown_events[(count($unknown_events) - 1)]['time_to'])) {
$unknown_events[(count($unknown_events) - 1)]['time_to'] = $tend;
}
// if time to is missing in first event force time to outside range time
if ($first_data['datos'] === false && !$flag_async) {
$last_inserted_value = false;
} else if (($unknown_events && !isset($unknown_events[0]['time_from']) && !$flag_async)
|| ($first_utimestamp < $tstart - (SECONDS_1DAY + 2 * $module_interval) && !$flag_async)
) {
$last_inserted_value = $first_data['datos'];
$unknown_events[0]['time_from'] = $tstart;
} else {
$last_inserted_value = $first_data['datos'];
}
// Retrieve module_interval to build the template
if ($slice_size === false) {
$slice_size = $module_interval;
}
$return = [];
// Point current_timestamp to begin of the set and initialize flags
$current_timestamp = $tstart;
$last_timestamp = $first_data['utimestamp'];
$last_value = $first_data['datos'];
// reverse array data optimization
if (is_array($raw_data)) {
$raw_data = array_reverse($raw_data);
}
// Build template
$pool_id = 0;
$now = time();
if ($unknown_events) {
$current_unknown = array_shift($unknown_events);
} else {
$current_unknown = null;
}
if (is_array($raw_data)) {
$current_raw_data = array_pop($raw_data);
} else {
$current_raw_data = null;
}
while ($current_timestamp < $tend) {
$return[$pool_id]['data'] = [];
$tmp_data = [];
$current_timestamp_end = ($current_timestamp + $slice_size);
if (($current_timestamp > $now)
|| (($current_timestamp - $last_timestamp) > (SECONDS_1DAY + 2 * $module_interval))
) {
$tmp_data['utimestamp'] = $current_timestamp;
// check not init
$tmp_data['datos'] = $last_value === false ? false : null;
// async not unknown
if ($flag_async && $tmp_data['datos'] === null) {
$tmp_data['datos'] = $last_inserted_value;
}
// debug purpose
// $tmp_data["obs"] = "unknown extra";
array_push($return[$pool_id]['data'], $tmp_data);
}
// insert raw data
while (($current_raw_data != null) &&
( ($current_timestamp_end > $current_raw_data['utimestamp']) &&
($current_timestamp <= $current_raw_data['utimestamp']) ) ) {
// Add real data detected
if (count($return[$pool_id]['data']) == 0) {
// insert first slice data
$tmp_data['utimestamp'] = $current_timestamp;
$tmp_data['datos'] = $last_inserted_value;
// debug purpose
// $tmp_data["obs"] = "virtual data (raw)";
$tmp_data['type'] = ($current_timestamp == $tstart || ($current_timestamp == $tend) ? 0 : 1);
// virtual data
// Add order to avoid usort missorder in same utimestamp data cells
$tmp_data['order'] = 1;
array_push($return[$pool_id]['data'], $tmp_data);
}
$tmp_data['utimestamp'] = $current_raw_data['utimestamp'];
$tmp_data['datos'] = $current_raw_data['datos'];
$tmp_data['type'] = 0;
// real data
// debug purpose
// $tmp_data["obs"] = "real data";
// Add order to avoid usort missorder in same utimestamp data cells
$tmp_data['order'] = 2;
array_push($return[$pool_id]['data'], $tmp_data);
$last_value = $current_raw_data['datos'];
$last_timestamp = $current_raw_data['utimestamp'];
if ($raw_data) {
$current_raw_data = array_pop($raw_data);
} else {
$current_raw_data = null;
}
}
// unknown
$data_slices = $return[$pool_id]['data'];
if (!$flag_async) {
while (($current_unknown != null) &&
( ( ($current_unknown['time_from'] != null) &&
($current_timestamp_end >= $current_unknown['time_from']) ) ||
($current_timestamp_end >= $current_unknown['time_to']) ) ) {
if (( $current_timestamp <= $current_unknown['time_from'])
&& ( $current_timestamp_end >= $current_unknown['time_from'] )
) {
if (count($return[$pool_id]['data']) == 0) {
// insert first slice data
$tmp_data['utimestamp'] = $current_timestamp;
$tmp_data['datos'] = $last_inserted_value;
// debug purpose
// $tmp_data["obs"] = "virtual data (e)";
// Add order to avoid usort missorder in same utimestamp data cells
$tmp_data['order'] = 1;
array_push($return[$pool_id]['data'], $tmp_data);
}
// Add unknown state detected
$tmp_data['utimestamp'] = $current_unknown['time_from'];
$tmp_data['datos'] = null;
// debug purpose
// $tmp_data["obs"] = "event data unknown from";
// Add order to avoid usort missorder in same utimestamp data cells
$tmp_data['order'] = 2;
array_push($return[$pool_id]['data'], $tmp_data);
$current_unknown['time_from'] = null;
} else if (($current_timestamp <= $current_unknown['time_to'])
&& ($current_timestamp_end > $current_unknown['time_to'] )
) {
if (count($return[$pool_id]['data']) == 0) {
// add first slice data always
// insert first slice data
$tmp_data['utimestamp'] = $current_timestamp;
$tmp_data['datos'] = $last_inserted_value;
// debug purpose
// $tmp_data["obs"] = "virtual data (event_to)";
// Add order to avoid usort missorder in same utimestamp data cells
$tmp_data['order'] = 1;
array_push($return[$pool_id]['data'], $tmp_data);
}
$tmp_data['utimestamp'] = $current_unknown['time_to'];
// Add order to avoid usort missorder in same utimestamp data cells
$tmp_data['order'] = 2;
$i = count($data_slices);
while ($i >= 0) {
if ($data_slices[$i]['utimestamp'] <= $current_unknown['time_to']) {
$tmp_data['datos'] = $data_slices[$i]['datos'] == null ? $last_value : $data_slices[$i]['datos'];
break;
}
$i--;
}
// debug purpose
// $tmp_data["obs"] = "event data unknown to";
array_push($return[$pool_id]['data'], $tmp_data);
if ($unknown_events) {
$current_unknown = array_shift($unknown_events);
} else {
$current_unknown = null;
}
} else {
break;
}
}
}
$return[$pool_id]['utimestamp'] = $current_timestamp;
if (count($return[$pool_id]['data']) == 0) {
// insert first slice data
$tmp_data['utimestamp'] = $current_timestamp;
$tmp_data['datos'] = $last_inserted_value;
// debug purpose
// $tmp_data["obs"] = "virtual data (empty)";
array_push($return[$pool_id]['data'], $tmp_data);
}
// sort current slice
if (count($return[$pool_id]['data']) > 1) {
usort(
$return[$pool_id]['data'],
function ($a, $b) {
if ($a['utimestamp'] == $b['utimestamp']) {
return (($a['order'] < $b['order']) ? -1 : 1);
}
return ($a['utimestamp'] < $b['utimestamp']) ? -1 : 1;
}
);
}
// put the last slice data like first element of next slice
$last_inserted_value = end($return[$pool_id]['data']);
$last_inserted_value = $last_inserted_value['datos'];
// increment
$pool_id++;
$current_timestamp = $current_timestamp_end;
}
// slice to the end.
if ($pool_id == 1) {
$end_array = [];
$end_array['data'][0]['utimestamp'] = $tend;
$end_array['data'][0]['datos'] = $last_inserted_value;
// $end_array['data'][0]['obs'] = 'virtual data END';
array_push($return, $end_array);
}
return $return;
}
/**
* Get all the rows of a table in the database that matches a filter.
*
* @param string Table to retrieve the data (warning: not cleaned)
* @param mixed Filters elements. It can be an indexed array
* (keys would be the field name and value the expected value, and would be
* joined with an AND operator) or a string, including any SQL clause (without
* the WHERE keyword). Example:
* <code>
* Both are similars:
* db_get_all_rows_filter ('table', array ('disabled', 0));
* db_get_all_rows_filter ('table', 'disabled = 0');
*
* Both are similars:
* db_get_all_rows_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name', 'OR');
* db_get_all_rows_filter ('table', 'disabled = 0 OR history_data = 0', 'name');
* </code>
* @param mixed Fields of the table to retrieve. Can be an array or a coma
* separated string. All fields are retrieved by default
* @param string Condition of the filter (AND, OR).
* @param boolean $returnSQL Return a string with SQL instead the data, by default false.
*
* @return mixed Array of the row or false in case of error.
*/
function db_get_all_rows_filter($table, $filter=[], $fields=false, $where_join='AND', $search_history_db=false, $returnSQL=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_all_rows_filter($table, $filter, $fields, $where_join, $search_history_db, $returnSQL);
break;
case 'postgresql':
return postgresql_db_get_all_rows_filter($table, $filter, $fields, $where_join, $search_history_db, $returnSQL);
break;
case 'oracle':
return oracle_db_get_all_rows_filter($table, $filter, $fields, $where_join, $search_history_db, $returnSQL);
break;
}
}
/**
* Get row by row the DB by SQL query. The first time pass the SQL query and
* rest of times pass none for iterate in table and extract row by row, and
* the end return false.
*
* @param boolean $new Default true, if true start to query.
* @param resource $result The resource of mysql for access to query.
* @param string $sql
* @return mixed The row or false in error.
*/
function db_get_all_row_by_steps_sql($new=true, &$result, $sql=null)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_all_row_by_steps_sql($new, $result, $sql);
break;
case 'postgresql':
return postgresql_db_get_all_row_by_steps_sql($new, $result, $sql);
break;
case 'oracle':
return oracle_db_get_all_row_by_steps_sql($new, $result, $sql);
break;
}
}
/**
* Return the count of rows of query.
*
* @param $sql
* @return integer The count of rows of query.
*/
function db_get_num_rows($sql)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_num_rows($sql);
break;
case 'postgresql':
return postgresql_db_get_num_rows($sql);
break;
case 'oracle':
return oracle_db_get_num_rows($sql);
break;
}
}
/**
* Error handler function when an SQL error is triggered.
*
* @param int Level of the error raised (not used, but required by set_error_handler()).
* @param string Contains the error message.
*
* @return boolean True if error level is lower or equal than errno.
*/
function db_sql_error_handler($errno, $errstr)
{
global $config;
// If debug is activated, this will also show the backtrace
if (ui_debug($errstr)) {
return false;
}
if (error_reporting() <= $errno) {
return false;
}
echo '<strong>SQL error</strong>: '.$errstr."<br />\n";
return true;
}
/**
* Add a database query to the debug trace.
*
* This functions does nothing if the config['debug'] flag is not set. If a
* sentence was repeated, then the 'saved' counter is incremented.
*
* @param string SQL sentence.
* @param mixed Query result. On error, error string should be given.
* @param int Affected rows after running the query.
* @param mixed Extra parameter for future values.
*/
function db_add_database_debug_trace($sql, $result=false, $affected=false, $extra=false)
{
global $config;
if (! isset($config['debug'])) {
return false;
}
if (! isset($config['db_debug'])) {
$config['db_debug'] = [];
}
if (isset($config['db_debug'][$sql])) {
$config['db_debug'][$sql]['saved']++;
return;
}
$var = [];
$var['sql'] = $sql;
$var['result'] = $result;
$var['affected'] = $affected;
$var['saved'] = 0;
$var['extra'] = $extra;
$config['db_debug'][$sql] = $var;
}
/**
* Clean the cache for to have errors and ghost rows when you do "select <table>",
* "delete <table>" and "select <table>".
*
* @return None
*/
function db_clean_cache()
{
global $sql_cache;
$sql_cache = ['saved' => []];
}
/**
* Change the sql cache id to another value
*
* @return None
*/
function db_change_cache_id($name, $host)
{
global $sql_cache;
// Update the sql cache identification
$sql_cache['id'] = $name.'_'.$host;
if (!isset($sql_cache['saved'][$sql_cache['id']])) {
$sql_cache['saved'][$sql_cache['id']] = 0;
}
}
/**
* Get the total cached queries and the databases checked
*
* @return (total_queries, total_dbs)
*/
function db_get_cached_queries()
{
global $sql_cache;
$total_saved = 0;
$total_dbs = 0;
foreach ($sql_cache['saved'] as $saver) {
$total_saved += format_numeric($saver);
$total_dbs++;
}
return [
$total_saved,
$total_dbs,
];
}
/**
* This function comes back with an array in case of SELECT
* in case of UPDATE, DELETE etc. with affected rows
* an empty array in case of SELECT without results
* Queries that return data will be cached so queries don't get repeated
*
* @param string SQL statement to execute
*
* @param string What type of info to return in case of INSERT/UPDATE.
* 'affected_rows' will return mysql_affected_rows (default value)
* 'insert_id' will return the ID of an autoincrement value
* 'info' will return the full (debug) information of a query
*
* @param string $status The status and type of query (support only postgreSQL).
*
* @param boolean $autocommit (Only oracle) Set autocommit transaction mode true/false
*
* @return mixed An array with the rows, columns and values in a multidimensional array or false in error
*/
function db_process_sql($sql, $rettype='affected_rows', $dbconnection='', $cache=true, &$status=null, $autocommit=true)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return @mysql_db_process_sql($sql, $rettype, $dbconnection, $cache);
break;
case 'postgresql':
return @postgresql_db_process_sql($sql, $rettype, $dbconnection, $cache, $status);
break;
case 'oracle':
return oracle_db_process_sql($sql, $rettype, $dbconnection, $cache, $status, $autocommit);
break;
}
}
/**
* Get all the rows in a table of the database.
*
* @param string Database table name.
* @param string Field to order by.
* @param string $order The type of order, by default 'ASC'.
*
* @return mixed A matrix with all the values in the table
*/
function db_get_all_rows_in_table($table, $order_field='', $order='ASC')
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_all_rows_in_table($table, $order_field, $order);
break;
case 'postgresql':
return postgresql_db_get_all_rows_in_table($table, $order_field, $order);
break;
case 'oracle':
return oracle_db_get_all_rows_in_table($table, $order_field, $order);
break;
}
}
/**
* Get all the rows in a table of the databes filtering from a field.
*
* @param string Database table name.
* @param string Field of the table.
* @param string Condition the field must have to be selected.
* @param string Field to order by.
*
* @return mixed A matrix with all the values in the table that matches the condition in the field or false
*/
function db_get_all_rows_field_filter($table, $field, $condition, $order_field='')
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_all_rows_field_filter($table, $field, $condition, $order_field);
break;
case 'postgresql':
return postgresql_db_get_all_rows_field_filter($table, $field, $condition, $order_field);
break;
case 'oracle':
return oracle_db_get_all_rows_field_filter($table, $field, $condition, $order_field);
break;
}
}
/**
* Get all the rows in a table of the databes filtering from a field.
*
* @param string Database table name.
* @param string Field of the table.
*
* @return mixed A matrix with all the values in the table that matches the condition in the field
*/
function db_get_all_fields_in_table($table, $field='', $condition='', $order_field='')
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_all_fields_in_table($table, $field, $condition, $order_field);
break;
case 'postgresql':
return postgresql_db_get_all_fields_in_table($table, $field, $condition, $order_field);
break;
case 'oracle':
return oracle_db_get_all_fields_in_table($table, $field, $condition, $order_field);
break;
}
}
/**
* Formats an array of values into a SQL string.
*
* This function is useful to generate an UPDATE SQL sentence from a list of
* values. Example code:
*
* <code>
* $values = array ();
* $values['name'] = "Name";
* $values['description'] = "Long description";
* $sql = 'UPDATE table SET '.db_format_array_to_update_sql ($values).' WHERE id=1';
* echo $sql;
* </code>
* Will return:
* <code>
* UPDATE table SET `name` = "Name", `description` = "Long description" WHERE id=1
* </code>
*
* @param array Values to be formatted in an array indexed by the field name.
*
* @return string Values joined into an SQL string that can fits into an UPDATE
* sentence.
*/
function db_format_array_to_update_sql($values)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_format_array_to_update_sql($values);
break;
case 'postgresql':
return postgresql_db_format_array_to_update_sql($values);
break;
case 'oracle':
return oracle_db_format_array_to_update_sql($values);
break;
}
}
/**
* Formats an array of values into a SQL where clause string.
*
* This function is useful to generate a WHERE clause for a SQL sentence from
* a list of values. Example code:
<code>
$values = array ();
$values['name'] = "Name";
$values['description'] = "Long description";
$values['limit'] = $config['block_size']; // Assume it's 20
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
echo $sql;
</code>
* Will return:
* <code>
* SELECT * FROM table WHERE `name` = "Name" AND `description` = "Long description" LIMIT 20
* </code>
*
* @param array Values to be formatted in an array indexed by the field name.
* There are special parameters such as 'limit' and 'offset' that will be used
* as ORDER, LIMIT and OFFSET clauses respectively. Since LIMIT and OFFSET are
* numerics, ORDER can receive a field name or a SQL function and a the ASC or
* DESC clause. Examples:
<code>
$values = array ();
$values['value'] = 10;
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
// SELECT * FROM table WHERE VALUE = 10
$values = array ();
$values['value'] = 10;
$values['order'] = 'name DESC';
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
// SELECT * FROM table WHERE VALUE = 10 ORDER BY name DESC
</code>
* @param string Join operator. AND by default.
* @param string A prefix to be added to the string. It's useful when limit and
* offset could be given to avoid this cases:
<code>
$values = array ();
$values['limit'] = 10;
$values['offset'] = 20;
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values);
// Wrong SQL: SELECT * FROM table WHERE LIMIT 10 OFFSET 20
$values = array ();
$values['limit'] = 10;
$values['offset'] = 20;
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values, 'AND', 'WHERE');
// Good SQL: SELECT * FROM table LIMIT 10 OFFSET 20
$values = array ();
$values['value'] = 5;
$values['limit'] = 10;
$values['offset'] = 20;
$sql = 'SELECT * FROM table WHERE '.db_format_array_where_clause_sql ($values, 'AND', 'WHERE');
// Good SQL: SELECT * FROM table WHERE value = 5 LIMIT 10 OFFSET 20
</code>
*
* @return string Values joined into an SQL string that can fits into the WHERE
* clause of an SQL sentence.
// IMPORTANT!!! OFFSET parameter is not allowed for Oracle because Oracle needs to recode the complete query.
// use oracle_format_query() function instead.
*/
function db_format_array_where_clause_sql($values, $join='AND', $prefix=false)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_format_array_where_clause_sql($values, $join, $prefix);
break;
case 'postgresql':
return postgresql_db_format_array_where_clause_sql($values, $join, $prefix);
break;
case 'oracle':
return oracle_db_format_array_where_clause_sql($values, $join, $prefix);
break;
}
}
/**
* Delete query without commit transaction
*
* @param string Table name
* @param string Field of the filter condition
* @param string Value of the filter
* @param bool The value will be appended without quotes
*
* @result Rows deleted or false if something goes wrong
*/
function db_process_delete_temp($table, $row, $value, $custom_value=false)
{
global $error;
// Globalize the errors variable
global $config;
switch ($config['dbtype']) {
case 'mysql':
case 'postgresql':
$result = db_process_sql_delete($table, $row.' = '.$value);
break;
case 'oracle':
if ($custom_value || is_int($value) || is_bool($value)
|| is_float($value) || is_double($value)
) {
$result = oracle_db_process_sql_delete_temp($table, $row.' = '.$value);
} else {
$result = oracle_db_process_sql_delete_temp($table, $row." = '".$value."'");
}
break;
}
if ($result === false) {
$error = true;
}
}
/**
* Inserts strings into database
*
* The number of values should be the same or a positive integer multiple as the number of rows
* If you have an associate array (eg. array ("row1" => "value1")) you can use this function with ($table, array_keys ($array), $array) in it's options
* All arrays and values should have been cleaned before passing. It's not neccessary to add quotes.
*
* @param string Table to insert into
* @param mixed A single value or array of values to insert (can be a multiple amount of rows)
* @param bool Whether to do autocommit or not (only Oracle)
*
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
*/
function db_process_sql_insert($table, $values, $autocommit=true)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_sql_insert($table, $values);
break;
case 'postgresql':
return postgresql_db_process_sql_insert($table, $values);
break;
case 'oracle':
return oracle_db_process_sql_insert($table, $values, $autocommit);
break;
}
}
/**
* Updates a database record.
*
* All values should be cleaned before passing. Quoting isn't necessary.
* Examples:
*
* <code>
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id));
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name));
* db_process_sql_update ('table', array ('field' => 1), array ('id' => $id, 'name' => $name), 'OR');
* db_process_sql_update ('table', array ('field' => 2), 'id in (1, 2, 3) OR id > 10');
* </code>
*
* @param string Table to insert into
* @param array An associative array of values to update
* @param mixed An associative array of field and value matches. Will be joined
* with operator specified by $where_join. A custom string can also be provided.
* If nothing is provided, the update will affect all rows.
* @param string When a $where parameter is given, this will work as the glue
* between the fields. "AND" operator will be use by default. Other values might
* be "OR", "AND NOT", "XOR"
* @param bool Transaction automatically commited or not
*
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
*/
function db_process_sql_update($table, $values, $where=false, $where_join='AND', $autocommit=true)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_sql_update($table, $values, $where, $where_join);
break;
case 'postgresql':
return postgresql_db_process_sql_update($table, $values, $where, $where_join);
break;
case 'oracle':
return oracle_db_process_sql_update($table, $values, $where, $where_join, $autocommit);
break;
}
}
/**
* Delete database records.
*
* All values should be cleaned before passing. Quoting isn't necessary.
* Examples:
*
* <code>
* db_process_sql_delete ('table', array ('id' => 1));
* // DELETE FROM table WHERE id = 1
* db_process_sql_delete ('table', array ('id' => 1, 'name' => 'example'));
* // DELETE FROM table WHERE id = 1 AND name = 'example'
* db_process_sql_delete ('table', array ('id' => 1, 'name' => 'example'), 'OR');
* // DELETE FROM table WHERE id = 1 OR name = 'example'
* db_process_sql_delete ('table', 'id in (1, 2, 3) OR id > 10');
* // DELETE FROM table WHERE id in (1, 2, 3) OR id > 10
* </code>
*
* @param string Table to insert into
* @param array An associative array of values to update
* @param mixed An associative array of field and value matches. Will be joined
* with operator specified by $where_join. A custom string can also be provided.
* If nothing is provided, the update will affect all rows.
* @param string When a $where parameter is given, this will work as the glue
* between the fields. "AND" operator will be use by default. Other values might
* be "OR", "AND NOT", "XOR"
*
* @return mixed False in case of error or invalid values passed. Affected rows otherwise
*/
function db_process_sql_delete($table, $where, $where_join='AND')
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_sql_delete($table, $where, $where_join);
break;
case 'postgresql':
return postgresql_db_process_sql_delete($table, $where, $where_join);
break;
case 'oracle':
return oracle_db_process_sql_delete($table, $where, $where_join);
break;
}
}
/**
* Starts a database transaction.
*/
function db_process_sql_begin()
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_sql_begin();
break;
case 'postgresql':
return postgresql_db_process_sql_begin();
break;
case 'oracle':
return oracle_db_process_sql_begin();
break;
}
}
/**
* Commits a database transaction.
*/
function db_process_sql_commit()
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_sql_commit();
break;
case 'postgresql':
return postgresql_db_process_sql_commit();
break;
case 'oracle':
return oracle_db_process_sql_commit();
break;
}
}
/**
* Rollbacks a database transaction.
*/
function db_process_sql_rollback()
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_sql_rollback();
break;
case 'postgresql':
return postgresql_db_process_sql_rollback();
break;
case 'oracle':
return oracle_db_process_sql_rollback();
break;
}
}
/**
* Prints a database debug table with all the queries done in the page loading.
*
* This functions does nothing if the config['debug'] flag is not set.
*/
function db_print_database_debug()
{
global $config;
if (! isset($config['debug'])) {
return '';
}
echo '<div class="database_debug_title">'.__('Database debug').'</div>';
$table->id = 'database_debug';
$table->cellpadding = '0';
$table->width = '95%';
$table->align = [];
$table->align[1] = 'left';
$table->size = [];
$table->size[0] = '40px';
$table->size[2] = '30%';
$table->size[3] = '40px';
$table->size[4] = '40px';
$table->size[5] = '40px';
$table->data = [];
$table->head = [];
$table->head[0] = '#';
$table->head[1] = __('SQL sentence');
$table->head[2] = __('Result');
$table->head[3] = __('Rows');
$table->head[4] = __('Saved');
$table->head[5] = __('Time (ms)');
if (! isset($config['db_debug'])) {
$config['db_debug'] = [];
}
$i = 1;
foreach ($config['db_debug'] as $debug) {
$data = [];
$data[0] = $i++;
$data[1] = $debug['sql'];
$data[2] = (empty($debug['result']) ? __('OK') : $debug['result']);
$data[3] = $debug['affected'];
$data[4] = $debug['saved'];
$data[5] = (isset($debug['extra']['time']) ? format_numeric(($debug['extra']['time'] * 1000), 0) : '');
array_push($table->data, $data);
if (($i % 100) == 0) {
html_print_table($table);
$table->data = [];
}
}
html_print_table($table);
}
/**
* Get last error.
*
* @return string Return the string error.
*/
function db_get_last_error()
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_last_error();
break;
case 'postgresql':
return postgresql_db_get_last_error();
break;
case 'oracle':
return oracle_db_get_last_error();
break;
}
}
/**
* Get the type of field.
*
* @param string $table The table to examine the type of field.
* @param integer $field The field order in table.
*
* @return mixed Return the type name or False in error case.
*/
function db_get_type_field_table($table, $field)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_get_type_field_table($table, $field);
break;
case 'postgresql':
return postgresql_db_get_type_field_table($table, $field);
break;
case 'oracle':
return oracle_db_get_type_field_table($table, $field);
break;
}
}
/**
* Get the columns of a table.
*
* @param string $table table to retrieve columns.
*
* @return array with column names.
*/
function db_get_fields($table)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_get_fields($table);
break;
case 'postgresql':
// return postgresql_get_fields($table);
break;
case 'oracle':
// return oracle_get_fields($table);
break;
}
}
/**
* @param int Unix timestamp with the date.
*
* @return boolean Returns true if the history db has data after the date provided or false otherwise.
*/
function db_search_in_history_db($utimestamp)
{
global $config;
$search_in_history_db = false;
if ($config['history_db_enabled'] == 1) {
$history_db_start_period = ($config['history_db_days'] * SECONDS_1DAY);
// If the date is newer than the newest history db data
if ((time() - $history_db_start_period) >= $utimestamp) {
$search_in_history_db = true;
}
}
return $search_in_history_db;
}
/**
* Process a file with an oracle schema sentences.
* Based on the function which installs the pandoradb.sql schema.
*
* @param string $path File path.
* @param boolean $handle_error Whether to handle the oci_execute errors or throw an exception.
*
* @return boolean Return the final status of the operation.
*/
function db_process_file($path, $handle_error=true)
{
global $config;
switch ($config['dbtype']) {
case 'mysql':
return mysql_db_process_file($path, $handle_error);
break;
case 'postgresql':
// Not supported
// return postgresql_db_process_file($path, $handle_error);
break;
case 'oracle':
return oracle_db_process_file($path, $handle_error);
break;
}
}
/**
* Search for minor release files.
*
* @return boolean Return if minor release is available or not
*/
function db_check_minor_relase_available()
{
global $config;
if (!$config['enable_update_manager']) {
return false;
}
$dir = $config['homedir'].'/extras/mr';
$have_minor_release = false;
if (file_exists($dir) && is_dir($dir)) {
if (is_readable($dir)) {
$files = scandir($dir);
// Get all the files from the directory ordered by asc
if ($files !== false) {
$pattern = '/^\d+\.sql$/';
$sqlfiles = preg_grep($pattern, $files);
// Get the name of the correct files
$files = null;
$pattern = '/\.sql$/';
$replacement = '';
$sqlfiles_num = preg_replace($pattern, $replacement, $sqlfiles);
// Get the number of the file
if ($sqlfiles_num) {
foreach ($sqlfiles_num as $sqlfile_num) {
if ($config['MR'] < $sqlfile_num) {
$have_minor_release = true;
}
}
}
}
}
}
if ($have_minor_release) {
return true;
} else {
return false;
}
}
/**
* Search for minor release files.
*
* @return boolean Return if minor release is available or not
*/
function db_check_minor_relase_available_to_um($package, $ent, $offline)
{
global $config;
if (!$config['enable_update_manager']) {
return false;
}
if (!$ent) {
$dir = $config['attachment_store'].'/downloads/pandora_console/extras/mr';
} else {
if ($offline) {
$dir = $package.'/extras/mr';
} else {
$dir = sys_get_temp_dir().'/pandora_oum/'.$package.'/extras/mr';
}
}
$have_minor_release = false;
if (file_exists($dir) && is_dir($dir)) {
if (is_readable($dir)) {
$files = scandir($dir);
// Get all the files from the directory ordered by asc
if ($files !== false) {
$pattern = '/^\d+\.sql$/';
$sqlfiles = preg_grep($pattern, $files);
// Get the name of the correct files
$files = null;
$pattern = '/\.sql$/';
$replacement = '';
$sqlfiles_num = preg_replace($pattern, $replacement, $sqlfiles);
// Get the number of the file
$exists = false;
foreach ($sqlfiles_num as $num) {
$file_dest = $config['homedir']."/extras/mr/updated/$num.sql";
if (file_exists($file_dest)) {
$exists = true;
update_config_token('MR', $num);
if (file_exists($config['homedir']."/extras/mr/$num.sql")) {
unlink($config['homedir']."/extras/mr/$num.sql");
}
}
}
if ($sqlfiles_num && !$exists) {
$have_minor_release = true;
}
}
}
}
if ($have_minor_release) {
return true;
} else {
return false;
}
}
/**
* Tries to get a lock with current name.
*
* @param string $lockname Lock name.
* @param integer $expiration_time Expiration time.
*
* @return integer 1 - lock OK, able to continue executing
* 0 - already locked by another process.
* NULL: something really bad happened
*/
function db_get_lock($lockname, $expiration_time=86400)
{
$lock_status = db_get_value_sql(
sprintf(
'SELECT IS_FREE_LOCK("%s")',
$lockname
)
);
if ($lock_status == 1) {
$lock_status = db_get_value_sql(
sprintf(
'SELECT GET_LOCK("%s", %d)',
$lockname,
$expiration_time
)
);
return $lock_status;
}
return 0;
}
/**
* Release a previously defined lock.
*
* @param string $lockname Lock name.
*
* @return integer 1 Lock released.
* 0 cannot release (not owned).
* NULL lock does not exist.
*/
function db_release_lock($lockname)
{
return db_get_value_sql(
sprintf(
'SELECT RELEASE_LOCK("%s")',
$lockname
)
);
}
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