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Guilhem Lavaux 2024-11-19 08:02:04 +01:00
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456
admin/phpMyAdmin/libraries/classes/Server/Status/Data.php Normal file
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<?php
/**
* PhpMyAdmin\Server\Status\Data class
* Used by server_status_*.php pages
*/
declare(strict_types=1);
namespace PhpMyAdmin\Server\Status;
use PhpMyAdmin\ReplicationInfo;
use PhpMyAdmin\Url;
use function __;
use function basename;
use function mb_strtolower;
use function str_contains;
/**
* This class provides data about the server status
*
* All properties of the class are read-only
*
* TODO: Use lazy initialisation for some of the properties
* since not all of the server_status_*.php pages need
* all the data that this class provides.
*/
class Data
{
/** @var array */
public $status;
/** @var array */
public $sections;
/** @var array */
public $variables;
/** @var array */
public $usedQueries;
/** @var array */
public $allocationMap;
/** @var array */
public $links;
/** @var bool */
public $dbIsLocal;
/** @var mixed */
public $section;
/** @var array */
public $sectionUsed;
/** @var string */
public $selfUrl;
/** @var bool */
public $dataLoaded;
/** @var ReplicationInfo */
private $replicationInfo;
public function getReplicationInfo(): ReplicationInfo
{
return $this->replicationInfo;
}
/**
* An empty setter makes the above properties read-only
*
* @param string $a key
* @param mixed $b value
*/
public function __set($a, $b): void
{
// Discard everything
}
/**
* Gets the allocations for constructor
*
* @return array
*/
private function getAllocations()
{
return [
// variable name => section
// variable names match when they begin with the given string
'Com_' => 'com',
'Innodb_' => 'innodb',
'Ndb_' => 'ndb',
'Handler_' => 'handler',
'Qcache_' => 'qcache',
'Threads_' => 'threads',
'Slow_launch_threads' => 'threads',
'Binlog_cache_' => 'binlog_cache',
'Created_tmp_' => 'created_tmp',
'Key_' => 'key',
'Delayed_' => 'delayed',
'Not_flushed_delayed_rows' => 'delayed',
'Flush_commands' => 'query',
'Last_query_cost' => 'query',
'Slow_queries' => 'query',
'Queries' => 'query',
'Prepared_stmt_count' => 'query',
'Select_' => 'select',
'Sort_' => 'sort',
'Open_tables' => 'table',
'Opened_tables' => 'table',
'Open_table_definitions' => 'table',
'Opened_table_definitions' => 'table',
'Table_locks_' => 'table',
'Rpl_status' => 'repl',
'Slave_' => 'repl',
'Tc_' => 'tc',
'Ssl_' => 'ssl',
'Open_files' => 'files',
'Open_streams' => 'files',
'Opened_files' => 'files',
];
}
/**
* Gets the sections for constructor
*
* @return array
*/
private function getSections()
{
return [
// section => section name (description)
'com' => 'Com',
'query' => __('SQL query'),
'innodb' => 'InnoDB',
'ndb' => 'NDB',
'handler' => __('Handler'),
'qcache' => __('Query cache'),
'threads' => __('Threads'),
'binlog_cache' => __('Binary log'),
'created_tmp' => __('Temporary data'),
'delayed' => __('Delayed inserts'),
'key' => __('Key cache'),
'select' => __('Joins'),
'repl' => __('Replication'),
'sort' => __('Sorting'),
'table' => __('Tables'),
'tc' => __('Transaction coordinator'),
'files' => __('Files'),
'ssl' => 'SSL',
'other' => __('Other'),
];
}
/**
* Gets the links for constructor
*
* @return array
*/
private function getLinks()
{
$primaryInfo = $this->replicationInfo->getPrimaryInfo();
$replicaInfo = $this->replicationInfo->getReplicaInfo();
$links = [];
// variable or section name => (name => url)
$links['table'][__('Flush (close) all tables')] = [
'url' => $this->selfUrl,
'params' => Url::getCommon(['flush' => 'TABLES'], ''),
];
$links['table'][__('Show open tables')] = [
'url' => Url::getFromRoute('/sql'),
'params' => Url::getCommon([
'sql_query' => 'SHOW OPEN TABLES',
'goto' => $this->selfUrl,
], ''),
];
if ($primaryInfo['status']) {
$links['repl'][__('Show replica hosts')] = [
'url' => Url::getFromRoute('/sql'),
'params' => Url::getCommon([
'sql_query' => 'SHOW SLAVE HOSTS',
'goto' => $this->selfUrl,
], ''),
];
$links['repl'][__('Show primary status')] = [
'url' => '#replication_primary',
'params' => '',
];
}
if ($replicaInfo['status']) {
$links['repl'][__('Show replica status')] = [
'url' => '#replication_replica',
'params' => '',
];
}
$links['repl']['doc'] = 'replication';
$links['qcache'][__('Flush query cache')] = [
'url' => $this->selfUrl,
'params' => Url::getCommon(['flush' => 'QUERY CACHE'], ''),
];
$links['qcache']['doc'] = 'query_cache';
$links['threads']['doc'] = 'mysql_threads';
$links['key']['doc'] = 'myisam_key_cache';
$links['binlog_cache']['doc'] = 'binary_log';
$links['Slow_queries']['doc'] = 'slow_query_log';
$links['innodb'][__('Variables')] = [
'url' => Url::getFromRoute('/server/engines/InnoDB'),
'params' => '',
];
$links['innodb'][__('InnoDB Status')] = [
'url' => Url::getFromRoute('/server/engines/InnoDB/Status'),
'params' => '',
];
$links['innodb']['doc'] = 'innodb';
return $links;
}
/**
* Calculate some values
*
* @param array $server_status contains results of SHOW GLOBAL STATUS
* @param array $server_variables contains results of SHOW GLOBAL VARIABLES
*
* @return array
*/
private function calculateValues(array $server_status, array $server_variables)
{
// Key_buffer_fraction
if (
isset($server_status['Key_blocks_unused'], $server_variables['key_cache_block_size'])
&& isset($server_variables['key_buffer_size'])
&& $server_variables['key_buffer_size'] != 0
) {
$server_status['Key_buffer_fraction_%'] = 100
- $server_status['Key_blocks_unused']
* $server_variables['key_cache_block_size']
/ $server_variables['key_buffer_size']
* 100;
} elseif (
isset($server_status['Key_blocks_used'], $server_variables['key_buffer_size'])
&& $server_variables['key_buffer_size'] != 0
) {
$server_status['Key_buffer_fraction_%'] = $server_status['Key_blocks_used']
* 1024
/ $server_variables['key_buffer_size'];
}
// Ratio for key read/write
if (
isset($server_status['Key_writes'], $server_status['Key_write_requests'])
&& $server_status['Key_write_requests'] > 0
) {
$key_writes = $server_status['Key_writes'];
$key_write_requests = $server_status['Key_write_requests'];
$server_status['Key_write_ratio_%'] = 100 * $key_writes / $key_write_requests;
}
if (
isset($server_status['Key_reads'], $server_status['Key_read_requests'])
&& $server_status['Key_read_requests'] > 0
) {
$key_reads = $server_status['Key_reads'];
$key_read_requests = $server_status['Key_read_requests'];
$server_status['Key_read_ratio_%'] = 100 * $key_reads / $key_read_requests;
}
// Threads_cache_hitrate
if (
isset($server_status['Threads_created'], $server_status['Connections'])
&& $server_status['Connections'] > 0
) {
$server_status['Threads_cache_hitrate_%'] = 100 - $server_status['Threads_created']
/ $server_status['Connections'] * 100;
}
return $server_status;
}
/**
* Sort variables into arrays
*
* @param array $server_status contains results of SHOW GLOBAL STATUS
* @param array $allocations allocations for sections
* @param array $allocationMap map variables to their section
* @param array $sectionUsed is a section used?
* @param array $used_queries used queries
*
* @return array ($allocationMap, $sectionUsed, $used_queries)
*/
private function sortVariables(
array $server_status,
array $allocations,
array $allocationMap,
array $sectionUsed,
array $used_queries
) {
foreach ($server_status as $name => $value) {
$section_found = false;
foreach ($allocations as $filter => $section) {
if (! str_contains($name, $filter)) {
continue;
}
$allocationMap[$name] = $section;
$sectionUsed[$section] = true;
$section_found = true;
if ($section === 'com' && $value > 0) {
$used_queries[$name] = $value;
}
break; // Only exits inner loop
}
if ($section_found) {
continue;
}
$allocationMap[$name] = 'other';
$sectionUsed['other'] = true;
}
return [
$allocationMap,
$sectionUsed,
$used_queries,
];
}
public function __construct()
{
global $dbi;
$this->replicationInfo = new ReplicationInfo($dbi);
$this->replicationInfo->load($_POST['primary_connection'] ?? null);
$this->selfUrl = basename($GLOBALS['PMA_PHP_SELF']);
// get status from server
$server_status_result = $dbi->tryQuery('SHOW GLOBAL STATUS');
if ($server_status_result === false) {
$server_status = [];
$this->dataLoaded = false;
} else {
$this->dataLoaded = true;
$server_status = $server_status_result->fetchAllKeyPair();
unset($server_status_result);
}
// for some calculations we require also some server settings
$server_variables = $dbi->fetchResult('SHOW GLOBAL VARIABLES', 0, 1);
// cleanup of some deprecated values
$server_status = self::cleanDeprecated($server_status);
// calculate some values
$server_status = $this->calculateValues($server_status, $server_variables);
// split variables in sections
$allocations = $this->getAllocations();
$sections = $this->getSections();
// define some needful links/commands
$links = $this->getLinks();
// Variable to contain all com_ variables (query statistics)
$used_queries = [];
// Variable to map variable names to their respective section name
// (used for js category filtering)
$allocationMap = [];
// Variable to mark used sections
$sectionUsed = [];
// sort vars into arrays
[
$allocationMap,
$sectionUsed,
$used_queries,
] = $this->sortVariables($server_status, $allocations, $allocationMap, $sectionUsed, $used_queries);
// admin commands are not queries (e.g. they include COM_PING,
// which is excluded from $server_status['Questions'])
unset($used_queries['Com_admin_commands']);
// Set all class properties
$this->dbIsLocal = false;
// can be null if $cfg['ServerDefault'] = 0;
$serverHostToLower = mb_strtolower((string) $GLOBALS['cfg']['Server']['host']);
if (
$serverHostToLower === 'localhost'
|| $GLOBALS['cfg']['Server']['host'] === '127.0.0.1'
|| $GLOBALS['cfg']['Server']['host'] === '::1'
) {
$this->dbIsLocal = true;
}
$this->status = $server_status;
$this->sections = $sections;
$this->variables = $server_variables;
$this->usedQueries = $used_queries;
$this->allocationMap = $allocationMap;
$this->links = $links;
$this->sectionUsed = $sectionUsed;
}
/**
* cleanup of some deprecated values
*
* @param array $server_status status array to process
*
* @return array
*/
public static function cleanDeprecated(array $server_status)
{
$deprecated = [
'Com_prepare_sql' => 'Com_stmt_prepare',
'Com_execute_sql' => 'Com_stmt_execute',
'Com_dealloc_sql' => 'Com_stmt_close',
];
foreach ($deprecated as $old => $new) {
if (! isset($server_status[$old], $server_status[$new])) {
continue;
}
unset($server_status[$old]);
}
return $server_status;
}
}

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<?php
/**
* functions for displaying server status sub item: monitor
*/
declare(strict_types=1);
namespace PhpMyAdmin\Server\Status;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Profiling;
use PhpMyAdmin\Server\SysInfo\SysInfo;
use PhpMyAdmin\Util;
use function array_sum;
use function count;
use function implode;
use function is_numeric;
use function json_decode;
use function mb_strlen;
use function mb_strpos;
use function mb_strtolower;
use function mb_substr;
use function microtime;
use function preg_match;
use function preg_replace;
use function strlen;
/**
* functions for displaying server status sub item: monitor
*/
class Monitor
{
/** @var DatabaseInterface */
private $dbi;
/**
* @param DatabaseInterface $dbi DatabaseInterface instance
*/
public function __construct($dbi)
{
$this->dbi = $dbi;
}
/**
* Returns JSON for real-time charting data
*
* @param string $requiredData Required data
*
* @return array JSON
*/
public function getJsonForChartingData(string $requiredData): array
{
$ret = json_decode($requiredData, true);
$statusVars = [];
$serverVars = [];
$sysinfo = $cpuload = $memory = 0;
/* Accumulate all required variables and data */
[$serverVars, $statusVars, $ret] = $this->getJsonForChartingDataGet(
$ret,
$serverVars,
$statusVars,
$sysinfo,
$cpuload,
$memory
);
// Retrieve all required status variables
$statusVarValues = [];
if (count($statusVars)) {
$statusVarValues = $this->dbi->fetchResult(
"SHOW GLOBAL STATUS WHERE Variable_name='"
. implode("' OR Variable_name='", $statusVars) . "'",
0,
1
);
}
// Retrieve all required server variables
$serverVarValues = [];
if (count($serverVars)) {
$serverVarValues = $this->dbi->fetchResult(
"SHOW GLOBAL VARIABLES WHERE Variable_name='"
. implode("' OR Variable_name='", $serverVars) . "'",
0,
1
);
}
// ...and now assign them
$ret = $this->getJsonForChartingDataSet($ret, $statusVarValues, $serverVarValues);
$ret['x'] = (int) (microtime(true) * 1000);
return $ret;
}
/**
* Assign the variables for real-time charting data
*
* @param array $ret Real-time charting data
* @param array $statusVarValues Status variable values
* @param array $serverVarValues Server variable values
*
* @return array
*/
private function getJsonForChartingDataSet(
array $ret,
array $statusVarValues,
array $serverVarValues
): array {
foreach ($ret as $chart_id => $chartNodes) {
foreach ($chartNodes as $node_id => $nodeDataPoints) {
foreach ($nodeDataPoints as $point_id => $dataPoint) {
switch ($dataPoint['type']) {
case 'statusvar':
$ret[$chart_id][$node_id][$point_id]['value'] = $statusVarValues[$dataPoint['name']];
break;
case 'servervar':
$ret[$chart_id][$node_id][$point_id]['value'] = $serverVarValues[$dataPoint['name']];
break;
}
}
}
}
return $ret;
}
/**
* Get called to get JSON for charting data
*
* @param array $ret Real-time charting data
* @param array $serverVars Server variable values
* @param array $statusVars Status variable values
* @param mixed $sysinfo System info
* @param mixed $cpuload CPU load
* @param mixed $memory Memory
*
* @return array
*/
private function getJsonForChartingDataGet(
array $ret,
array $serverVars,
array $statusVars,
$sysinfo,
$cpuload,
$memory
) {
// For each chart
foreach ($ret as $chartId => $chartNodes) {
// For each data series
foreach ($chartNodes as $nodeId => $nodeDataPoints) {
// For each data point in the series (usually just 1)
foreach ($nodeDataPoints as $pointId => $dataPoint) {
[$serverVars, $statusVars, $ret[$chartId][$nodeId][$pointId]] = $this->getJsonForChartingDataSwitch(
$dataPoint['type'],
$dataPoint['name'],
$serverVars,
$statusVars,
$ret[$chartId][$nodeId][$pointId],
$sysinfo,
$cpuload,
$memory
);
} /* foreach */
} /* foreach */
}
return [
$serverVars,
$statusVars,
$ret,
];
}
/**
* Switch called to get JSON for charting data
*
* @param string $type Type
* @param string $pName Name
* @param array $serverVars Server variable values
* @param array $statusVars Status variable values
* @param array $ret Real-time charting data
* @param mixed $sysinfo System info
* @param mixed $cpuload CPU load
* @param mixed $memory Memory
*
* @return array
*/
private function getJsonForChartingDataSwitch(
$type,
$pName,
array $serverVars,
array $statusVars,
array $ret,
$sysinfo,
$cpuload,
$memory
) {
/**
* We only collect the status and server variables here to read them all in one query,
* and only afterwards assign them. Also do some allow list filtering on the names
*/
switch ($type) {
case 'servervar':
if (! preg_match('/[^a-zA-Z_]+/', $pName)) {
$serverVars[] = $pName;
}
break;
case 'statusvar':
if (! preg_match('/[^a-zA-Z_]+/', $pName)) {
$statusVars[] = $pName;
}
break;
case 'proc':
$result = $this->dbi->query('SHOW PROCESSLIST');
$ret['value'] = $result->numRows();
break;
case 'cpu':
if (! $sysinfo) {
$sysinfo = SysInfo::get();
}
if (! $cpuload) {
$cpuload = $sysinfo->loadavg();
}
if (SysInfo::getOs() === 'Linux') {
$ret['idle'] = $cpuload['idle'];
$ret['busy'] = $cpuload['busy'];
} else {
$ret['value'] = $cpuload['loadavg'];
}
break;
case 'memory':
if (! $sysinfo) {
$sysinfo = SysInfo::get();
}
if (! $memory) {
$memory = $sysinfo->memory();
}
$ret['value'] = $memory[$pName] ?? 0;
break;
}
return [
$serverVars,
$statusVars,
$ret,
];
}
/**
* Returns JSON for log data with type: slow
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
*/
public function getJsonForLogDataTypeSlow(int $start, int $end): ?array
{
$query = 'SELECT start_time, user_host, ';
$query .= 'Sec_to_Time(Sum(Time_to_Sec(query_time))) as query_time, ';
$query .= 'Sec_to_Time(Sum(Time_to_Sec(lock_time))) as lock_time, ';
$query .= 'SUM(rows_sent) AS rows_sent, ';
$query .= 'SUM(rows_examined) AS rows_examined, db, sql_text, ';
$query .= 'COUNT(sql_text) AS \'#\' ';
$query .= 'FROM `mysql`.`slow_log` ';
$query .= 'WHERE start_time > FROM_UNIXTIME(' . $start . ') ';
// See: mode = ONLY_FULL_GROUP_BY
$query .= 'AND start_time < FROM_UNIXTIME(' . $end . ') GROUP BY start_time, user_host, db, sql_text';
$result = $this->dbi->tryQuery($query);
if ($result === false) {
return null;
}
$return = [
'rows' => [],
'sum' => [],
];
while ($row = $result->fetchAssoc()) {
$type = mb_strtolower(
mb_substr(
$row['sql_text'],
0,
(int) mb_strpos($row['sql_text'], ' ')
)
);
switch ($type) {
case 'insert':
case 'update':
//Cut off big inserts and updates, but append byte count instead
if (mb_strlen($row['sql_text']) > 220) {
$implodeSqlText = implode(
' ',
(array) Util::formatByteDown(
mb_strlen($row['sql_text']),
2,
2
)
);
$row['sql_text'] = mb_substr($row['sql_text'], 0, 200)
. '... [' . $implodeSqlText . ']';
}
break;
default:
break;
}
if (! isset($return['sum'][$type])) {
$return['sum'][$type] = 0;
}
$return['sum'][$type] += $row['#'];
$return['rows'][] = $row;
}
$return['sum']['TOTAL'] = array_sum($return['sum']);
$return['numRows'] = count($return['rows']);
return $return;
}
/**
* Returns JSON for log data with type: general
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
* @param bool $isTypesLimited Whether to limit types or not
* @param bool $removeVariables Whether to remove variables or not
*/
public function getJsonForLogDataTypeGeneral(
int $start,
int $end,
bool $isTypesLimited,
bool $removeVariables
): ?array {
$limitTypes = '';
if ($isTypesLimited) {
$limitTypes = 'AND argument REGEXP \'^(INSERT|SELECT|UPDATE|DELETE)\' ';
}
$query = 'SELECT TIME(event_time) as event_time, user_host, thread_id, ';
$query .= 'server_id, argument, count(argument) as \'#\' ';
$query .= 'FROM `mysql`.`general_log` ';
$query .= 'WHERE command_type=\'Query\' ';
$query .= 'AND event_time > FROM_UNIXTIME(' . $start . ') ';
$query .= 'AND event_time < FROM_UNIXTIME(' . $end . ') ';
// See: mode = ONLY_FULL_GROUP_BY
$query .= $limitTypes . 'GROUP by event_time, user_host, thread_id, server_id, argument'; // HAVING count > 1';
$result = $this->dbi->tryQuery($query);
if ($result === false) {
return null;
}
$return = [
'rows' => [],
'sum' => [],
];
$insertTables = [];
$insertTablesFirst = -1;
$i = 0;
while ($row = $result->fetchAssoc()) {
preg_match('/^(\w+)\s/', $row['argument'], $match);
$type = mb_strtolower($match[1]);
if (! isset($return['sum'][$type])) {
$return['sum'][$type] = 0;
}
$return['sum'][$type] += $row['#'];
switch ($type) {
/** @noinspection PhpMissingBreakStatementInspection */
case 'insert':
// Group inserts if selected
if (
$removeVariables && preg_match(
'/^INSERT INTO (`|\'|"|)([^\s\\1]+)\\1/i',
$row['argument'],
$matches
)
) {
if (! isset($insertTables[$matches[2]])) {
$insertTables[$matches[2]] = 0;
}
$insertTables[$matches[2]]++;
if ($insertTables[$matches[2]] > 1) {
$return['rows'][$insertTablesFirst]['#'] = $insertTables[$matches[2]];
// Add a ... to the end of this query to indicate that
// there's been other queries
$temp = $return['rows'][$insertTablesFirst]['argument'];
$return['rows'][$insertTablesFirst]['argument'] .= $this->getSuspensionPoints(
$temp[strlen($temp) - 1]
);
// Group this value, thus do not add to the result list
continue 2;
}
$insertTablesFirst = $i;
$insertTables[$matches[2]] += $row['#'] - 1;
}
// No break here
case 'update':
// Cut off big inserts and updates,
// but append byte count therefor
if (mb_strlen($row['argument']) > 220) {
$row['argument'] = mb_substr($row['argument'], 0, 200)
. '... ['
. implode(
' ',
(array) Util::formatByteDown(
mb_strlen($row['argument']),
2,
2
)
)
. ']';
}
break;
default:
break;
}
$return['rows'][] = $row;
$i++;
}
$return['sum']['TOTAL'] = array_sum($return['sum']);
$return['numRows'] = count($return['rows']);
return $return;
}
/**
* Return suspension points if needed
*
* @param string $lastChar Last char
*
* @return string Return suspension points if needed
*/
private function getSuspensionPoints(string $lastChar): string
{
if ($lastChar !== '.') {
return '<br>...';
}
return '';
}
/**
* Returns JSON for logging vars
*
* @param string|null $name Variable name
* @param string|null $value Variable value
*
* @return array JSON
*/
public function getJsonForLoggingVars(?string $name, ?string $value): array
{
if (isset($name, $value)) {
$escapedValue = $this->dbi->escapeString($value);
if (! is_numeric($escapedValue)) {
$escapedValue = "'" . $escapedValue . "'";
}
if (! preg_match('/[^a-zA-Z0-9_]+/', $name)) {
$this->dbi->query('SET GLOBAL ' . $name . ' = ' . $escapedValue);
}
}
return $this->dbi->fetchResult(
'SHOW GLOBAL VARIABLES WHERE Variable_name IN'
. ' ("general_log","slow_query_log","long_query_time","log_output")',
0,
1
);
}
/**
* Returns JSON for query_analyzer
*
* @param string $database Database name
* @param string $query SQL query
*
* @return array JSON
*/
public function getJsonForQueryAnalyzer(
string $database,
string $query
): array {
global $cached_affected_rows;
$return = [];
if (strlen($database) > 0) {
$this->dbi->selectDb($database);
}
$profiling = Profiling::isSupported($this->dbi);
if ($profiling) {
$this->dbi->query('SET PROFILING=1;');
}
// Do not cache query
$sqlQuery = preg_replace('/^(\s*SELECT)/i', '\\1 SQL_NO_CACHE', $query);
$this->dbi->tryQuery($sqlQuery);
$return['affectedRows'] = $cached_affected_rows;
$result = $this->dbi->tryQuery('EXPLAIN ' . $sqlQuery);
if ($result !== false) {
$return['explain'] = $result->fetchAllAssoc();
}
// In case an error happened
$return['error'] = $this->dbi->getError();
if ($profiling) {
$return['profiling'] = [];
$result = $this->dbi->tryQuery(
'SELECT seq,state,duration FROM INFORMATION_SCHEMA.PROFILING WHERE QUERY_ID=1 ORDER BY seq'
);
if ($result !== false) {
$return['profiling'] = $result->fetchAllAssoc();
}
}
return $return;
}
}

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admin/phpMyAdmin/libraries/classes/Server/Status/Processes.php Normal file
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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Server\Status;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Util;
use function __;
use function array_keys;
use function count;
use function mb_strtolower;
use function strlen;
use function ucfirst;
final class Processes
{
/** @var DatabaseInterface */
private $dbi;
public function __construct(DatabaseInterface $dbi)
{
$this->dbi = $dbi;
}
/**
* @param array $params Request parameters
*
* @return array<string, array|string|bool>
*/
public function getList(array $params): array
{
$urlParams = [];
$showFullSql = ! empty($params['full']);
if ($showFullSql) {
$urlParams['full'] = '';
} else {
$urlParams['full'] = 1;
}
$sqlQuery = $showFullSql
? 'SHOW FULL PROCESSLIST'
: 'SHOW PROCESSLIST';
if (
(! empty($params['order_by_field'])
&& ! empty($params['sort_order']))
|| ! empty($params['showExecuting'])
) {
$urlParams['order_by_field'] = $params['order_by_field'];
$urlParams['sort_order'] = $params['sort_order'];
$urlParams['showExecuting'] = $params['showExecuting'];
$sqlQuery = 'SELECT * FROM `INFORMATION_SCHEMA`.`PROCESSLIST` ';
}
if (! empty($params['showExecuting'])) {
$sqlQuery .= ' WHERE state != "" ';
}
if (! empty($params['order_by_field']) && ! empty($params['sort_order'])) {
$sqlQuery .= ' ORDER BY '
. Util::backquote($params['order_by_field'])
. ' ' . $params['sort_order'];
}
$result = $this->dbi->query($sqlQuery);
$rows = [];
while ($process = $result->fetchAssoc()) {
// Array keys need to modify due to the way it has used
// to display column values
foreach (array_keys($process) as $key) {
$newKey = ucfirst(mb_strtolower($key));
if ($newKey === $key) {
continue;
}
$process[$newKey] = $process[$key];
unset($process[$key]);
}
$rows[] = [
'id' => $process['Id'],
'user' => $process['User'],
'host' => $process['Host'],
'db' => ! isset($process['Db']) || strlen($process['Db']) === 0 ? '' : $process['Db'],
'command' => $process['Command'],
'time' => $process['Time'],
'state' => ! empty($process['State']) ? $process['State'] : '---',
'progress' => ! empty($process['Progress']) ? $process['Progress'] : '---',
'info' => ! empty($process['Info']) ? Generator::formatSql($process['Info'], ! $showFullSql) : '---',
];
}
return [
'columns' => $this->getSortableColumnsForProcessList($showFullSql, $params),
'rows' => $rows,
'refresh_params' => $urlParams,
'is_mariadb' => $this->dbi->isMariaDB(),
];
}
private function getSortableColumnsForProcessList(bool $showFullSql, array $params): array
{
// This array contains display name and real column name of each
// sortable column in the table
$sortableColumns = [
[
'column_name' => __('ID'),
'order_by_field' => 'Id',
],
[
'column_name' => __('User'),
'order_by_field' => 'User',
],
[
'column_name' => __('Host'),
'order_by_field' => 'Host',
],
[
'column_name' => __('Database'),
'order_by_field' => 'Db',
],
[
'column_name' => __('Command'),
'order_by_field' => 'Command',
],
[
'column_name' => __('Time'),
'order_by_field' => 'Time',
],
[
'column_name' => __('Status'),
'order_by_field' => 'State',
],
];
if ($this->dbi->isMariaDB()) {
$sortableColumns[] = [
'column_name' => __('Progress'),
'order_by_field' => 'Progress',
];
}
$sortableColumns[] = [
'column_name' => __('SQL query'),
'order_by_field' => 'Info',
];
$sortableColCount = count($sortableColumns);
$columns = [];
foreach ($sortableColumns as $columnKey => $column) {
$is_sorted = ! empty($params['order_by_field'])
&& ! empty($params['sort_order'])
&& ($params['order_by_field'] == $column['order_by_field']);
$column['sort_order'] = 'ASC';
if ($is_sorted && $params['sort_order'] === 'ASC') {
$column['sort_order'] = 'DESC';
}
if (isset($params['showExecuting'])) {
$column['showExecuting'] = 'on';
}
$columns[$columnKey] = [
'name' => $column['column_name'],
'params' => $column,
'is_sorted' => $is_sorted,
'sort_order' => $column['sort_order'],
'has_full_query' => false,
'is_full' => false,
];
if (0 !== --$sortableColCount) {
continue;
}
$columns[$columnKey]['has_full_query'] = true;
if (! $showFullSql) {
continue;
}
$columns[$columnKey]['is_full'] = true;
}
return $columns;
}
}