getHtmlForTabLinks();
$retval .= $this->getHtmlForSettingsDialog();
$retval .= $this->getHtmlForInstructionsDialog();
$retval .= $this->getHtmlForAddChartDialog();
$retval .= $this->getHtmlForAnalyseDialog();
$retval .= '
';
$retval .= '';
$retval .= ' ';
$retval .= '
';
$retval .= '';
return $retval;
}
/**
* Returns html for Analyse Dialog
*
* @return string
*/
public function getHtmlForAnalyseDialog()
{
$retval = '';
$retval .= '
' . __('Selected time range:');
$retval .= ' - ';
$retval .= ' ';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Only retrieve SELECT,INSERT,UPDATE and DELETE Statements');
$retval .= ' ';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Remove variable data in INSERT statements for better grouping');
$retval .= ' ';
$retval .= '
';
$retval .= __(
'Choose from which log you want the statistics to be generated from.'
);
$retval .= '
';
$retval .= '
';
$retval .= __('Results are grouped by query text.');
$retval .= '
';
$retval .= '
';
$retval .= '';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
return $retval;
}
/**
* Returns html for Instructions Dialog
*
* @return string
*/
public function getHtmlForInstructionsDialog()
{
$retval = '';
$retval .= __(
'The phpMyAdmin Monitor can assist you in optimizing the server'
. ' configuration and track down time intensive queries. For the latter you'
. ' will need to set log_output to \'TABLE\' and have either the'
. ' slow_query_log or general_log enabled. Note however, that the'
. ' general_log produces a lot of data and increases server load'
. ' by up to 15%.'
);
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Using the monitor:');
$retval .= ' ';
$retval .= __(
'Your browser will refresh all displayed charts in a regular interval.'
. ' You may add charts and change the refresh rate under \'Settings\','
. ' or remove any chart using the cog icon on each respective chart.'
);
$retval .= '
';
$retval .= __(
'To display queries from the logs, select the relevant time span on any'
. ' chart by holding down the left mouse button and panning over the'
. ' chart. Once confirmed, this will load a table of grouped queries,'
. ' there you may click on any occurring SELECT statements to further'
. ' analyze them.'
);
$retval .= '
';
$retval .= '
';
$retval .= Util::getImage('s_attention');
$retval .= '';
$retval .= __('Please note:');
$retval .= ' ';
$retval .= __(
'Enabling the general_log may increase the server load by'
. ' 5-15%. Also be aware that generating statistics from the logs is a'
. ' load intensive task, so it is advisable to select only a small time'
. ' span and to disable the general_log and empty its table once'
. ' monitoring is not required any more.'
);
$retval .= '
';
$retval .= '
';
$retval .= '
';
return $retval;
}
/**
* Returns html for addChartDialog
*
* @return string
*/
public function getHtmlForAddChartDialog()
{
$retval = '';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
' . __('Preset chart') . ' ';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Status variable(s)');
$retval .= ' ';
$retval .= '
';
$retval .= '
' . __('Select series:') . ' ';
$retval .= '
';
$retval .= '' . __('Commonly monitored') . ' ';
$retval .= 'Processes ';
$retval .= 'Questions ';
$retval .= 'Connections ';
$retval .= 'Bytes_sent ';
$retval .= 'Bytes_received ';
$retval .= 'Threads_connected ';
$retval .= 'Created_tmp_disk_tables ';
$retval .= 'Handler_read_first ';
$retval .= 'Innodb_buffer_pool_wait_free ';
$retval .= 'Key_reads ';
$retval .= 'Open_tables ';
$retval .= 'Select_full_join ';
$retval .= 'Slow_queries ';
$retval .= ' ';
$retval .= '
';
$retval .= __('or type variable name:');
$retval .= ' ';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= '
';
$retval .= __('Display as differential value');
$retval .= ' ';
$retval .= '
';
$retval .= '
' . __('Apply a divisor') . ' ';
$retval .= '
';
$retval .= ' ';
$retval .= '(' . __('KiB') . ' , ';
$retval .= '' . __('MiB') . ' )';
$retval .= ' ';
$retval .= '
';
$retval .= '
';
$retval .= __('Append unit to data values');
$retval .= ' ';
$retval .= '
';
$retval .= ' ';
$retval .= ' ';
$retval .= '
';
$retval .= '' . __('Add this series') . ' ';
$retval .= '';
$retval .= ' | ' . __('Clear series') . ' ';
$retval .= ' ';
$retval .= '
';
$retval .= __('Series in chart:');
$retval .= '
';
$retval .= '
';
$retval .= '' . __('None') . ' ';
$retval .= ' ';
$retval .= '
';
$retval .= '
';
$retval .= '
';
return $retval;
}
/**
* Returns html with Tab Links
*
* @return string
*/
public function getHtmlForTabLinks()
{
$retval = '';
return $retval;
}
/**
* Returns html with Settings dialog
*
* @return string
*/
public function getHtmlForSettingsDialog()
{
$retval = '';
return $retval;
}
/**
* Define some data and links needed on the client side
*
* @param Data $serverStatusData Server status data
*
* @return string
*/
public function getHtmlForClientSideDataAndLinks(Data $serverStatusData)
{
/**
* Define some data needed on the client side
*/
$input = ' ';
$form = '';
/**
* Define some links used on client side
*/
$links = '';
$links .= Util::showMySQLDocu('general-thread-states');
$links .= '
';
$links .= '';
$links .= Util::showMySQLDocu('explain-output');
$links .= '
';
return $form . $links;
}
/***************************Ajax request function***********************************/
/**
* Returns JSon for real-time charting data
*
* @return array
*/
public function getJsonForChartingData()
{
$ret = json_decode($_REQUEST['requiredData'], true);
$statusVars = [];
$serverVars = [];
$sysinfo = $cpuload = $memory = 0;
/* Accumulate all required variables and data */
list($serverVars, $statusVars, $ret) = $this->getJsonForChartingDataGet(
$ret,
$serverVars,
$statusVars,
$sysinfo,
$cpuload,
$memory
);
// Retrieve all required status variables
if (count($statusVars)) {
$statusVarValues = $GLOBALS['dbi']->fetchResult(
"SHOW GLOBAL STATUS WHERE Variable_name='"
. implode("' OR Variable_name='", $statusVars) . "'",
0,
1
);
} else {
$statusVarValues = [];
}
// Retrieve all required server variables
if (count($serverVars)) {
$serverVarValues = $GLOBALS['dbi']->fetchResult(
"SHOW GLOBAL VARIABLES WHERE Variable_name='"
. implode("' OR Variable_name='", $serverVars) . "'",
0,
1
);
} else {
$serverVarValues = [];
}
// ...and now assign them
$ret = $this->getJsonForChartingDataSet($ret, $statusVarValues, $serverVarValues);
$ret['x'] = 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
*/
public function getJsonForChartingDataSet(array $ret, array $statusVarValues, array $serverVarValues)
{
foreach ($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
*/
public function getJsonForChartingDataGet(
array $ret,
array $serverVars,
array $statusVars,
$sysinfo,
$cpuload,
$memory
) {
// For each chart
foreach ($ret as $chart_id => $chartNodes) {
// For each data series
foreach ($chartNodes as $node_id => $nodeDataPoints) {
// For each data point in the series (usually just 1)
foreach ($nodeDataPoints as $point_id => $dataPoint) {
list($serverVars, $statusVars, $ret[$chart_id][$node_id][$point_id])
= $this->getJsonForChartingDataSwitch(
$dataPoint['type'],
$dataPoint['name'],
$serverVars,
$statusVars,
$ret[$chart_id][$node_id][$point_id],
$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
*/
public function getJsonForChartingDataSwitch(
$type,
$pName,
array $serverVars,
array $statusVars,
array $ret,
$sysinfo,
$cpuload,
$memory
) {
switch ($type) {
/* We only collect the status and server variables here to
* read them all in one query,
* and only afterwards assign them.
* Also do some white list filtering on the names
*/
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 = $GLOBALS['dbi']->query('SHOW PROCESSLIST');
$ret['value'] = $GLOBALS['dbi']->numRows($result);
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();
}
$ret['value'] = isset($memory[$pName]) ? $memory[$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 $end Unix Time: End time for query
*
* @return array
*/
public function getJsonForLogDataTypeSlow($start, $end)
{
$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 . ') ';
$query .= 'AND start_time < FROM_UNIXTIME(' . $end . ') GROUP BY sql_text';
$result = $GLOBALS['dbi']->tryQuery($query);
$return = ['rows' => [], 'sum' => []];
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$type = mb_strtolower(
mb_substr(
$row['sql_text'],
0,
mb_strpos($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) {
$implode_sql_text = implode(
' ',
Util::formatByteDown(
mb_strlen($row['sql_text']),
2,
2
)
);
$row['sql_text'] = mb_substr($row['sql_text'], 0, 200)
. '... [' . $implode_sql_text . ']';
}
break;
default:
break;
}
if (! isset($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']);
$GLOBALS['dbi']->freeResult($result);
return $return;
}
/**
* Returns JSon for log data with type: general
*
* @param int $start Unix Time: Start time for query
* @param int $end Unix Time: End time for query
*
* @return array
*/
public function getJsonForLogDataTypeGeneral($start, $end)
{
$limitTypes = '';
if (isset($_REQUEST['limitTypes']) && $_REQUEST['limitTypes']) {
$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 . ') ';
$query .= $limitTypes . 'GROUP by argument'; // HAVING count > 1';
$result = $GLOBALS['dbi']->tryQuery($query);
$return = ['rows' => [], 'sum' => []];
$insertTables = [];
$insertTablesFirst = -1;
$i = 0;
$removeVars = isset($_REQUEST['removeVariables'])
&& $_REQUEST['removeVariables'];
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
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 ($removeVars
&& preg_match(
'/^INSERT INTO (`|\'|"|)([^\s\\1]+)\\1/i',
$row['argument'],
$matches
)
) {
$insertTables[$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;
} else {
$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(
' ',
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']);
$GLOBALS['dbi']->freeResult($result);
return $return;
}
/**
* Return suspension points if needed
*
* @param string $lastChar Last char
*
* @return null|string Return suspension points if needed
*/
public function getSuspensionPoints($lastChar)
{
if ($lastChar != '.') {
return ' ...';
}
return null;
}
/**
* Returns JSon for logging vars
*
* @return array
*/
public function getJsonForLoggingVars()
{
if (isset($_REQUEST['varName']) && isset($_REQUEST['varValue'])) {
$value = $GLOBALS['dbi']->escapeString($_REQUEST['varValue']);
if (! is_numeric($value)) {
$value = "'" . $value . "'";
}
if (! preg_match("/[^a-zA-Z0-9_]+/", $_REQUEST['varName'])) {
$GLOBALS['dbi']->query(
'SET GLOBAL ' . $_REQUEST['varName'] . ' = ' . $value
);
}
}
$loggingVars = $GLOBALS['dbi']->fetchResult(
'SHOW GLOBAL VARIABLES WHERE Variable_name IN'
. ' ("general_log","slow_query_log","long_query_time","log_output")',
0,
1
);
return $loggingVars;
}
/**
* Returns JSon for query_analyzer
*
* @return array
*/
public function getJsonForQueryAnalyzer()
{
$return = [];
if (strlen($_REQUEST['database']) > 0) {
$GLOBALS['dbi']->selectDb($_REQUEST['database']);
}
if ($profiling = Util::profilingSupported()) {
$GLOBALS['dbi']->query('SET PROFILING=1;');
}
// Do not cache query
$query = preg_replace(
'/^(\s*SELECT)/i',
'\\1 SQL_NO_CACHE',
$_REQUEST['query']
);
$GLOBALS['dbi']->tryQuery($query);
$return['affectedRows'] = $GLOBALS['cached_affected_rows'];
$result = $GLOBALS['dbi']->tryQuery('EXPLAIN ' . $query);
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$return['explain'][] = $row;
}
// In case an error happened
$return['error'] = $GLOBALS['dbi']->getError();
$GLOBALS['dbi']->freeResult($result);
if ($profiling) {
$return['profiling'] = [];
$result = $GLOBALS['dbi']->tryQuery(
'SELECT seq,state,duration FROM INFORMATION_SCHEMA.PROFILING'
. ' WHERE QUERY_ID=1 ORDER BY seq'
);
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$return['profiling'][] = $row;
}
$GLOBALS['dbi']->freeResult($result);
}
return $return;
}
}