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status.php
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status.php
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<?php
/**********************************************************************************
* status.php *
***********************************************************************************
* SMF: Simple Machines Forum *
* Open-Source Project Inspired by Zef Hemel (zef@zefhemel.com) *
* =============================================================================== *
* Software Version: SMF 1.1 *
* Software by: Simple Machines (http://www.simplemachines.org) *
* Copyright 2006 by: Simple Machines LLC (http://www.simplemachines.org) *
* 2001-2006 by: Lewis Media (http://www.lewismedia.com) *
* Support, News, Updates at: http://www.simplemachines.org *
***********************************************************************************
* This program is free software; you may redistribute it and/or modify it under *
* the terms of the provided license as published by Simple Machines LLC. *
* *
* This program is distributed in the hope that it is and will be useful, but *
* WITHOUT ANY WARRANTIES; without even any implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. *
* *
* See the "license.txt" file for details of the Simple Machines license. *
* The latest version can always be found at http://www.simplemachines.org. *
**********************************************************************************/
// Forum slow? Having performance problems? This little blue pill will assist in finding the problem!
// !!! eAccelerator, etc.?
initialize_inputs();
$command_line = php_sapi_name() == 'cli' && empty($_SERVER['REMOTE_ADDR']);
generate_status();
function initialize_inputs()
{
global $db_prefix;
// Turn off magic quotes runtime and enable error reporting.
@set_magic_quotes_runtime(0);
error_reporting(E_ALL);
$possible = array(
dirname(__FILE__),
dirname(dirname(__FILE__)),
dirname(dirname(dirname(__FILE__))),
dirname(__FILE__) . '/forum',
dirname(__FILE__) . '/forums',
dirname(__FILE__) . '/community',
dirname(dirname(__FILE__)) . '/forum',
dirname(dirname(__FILE__)) . '/forums',
dirname(dirname(__FILE__)) . '/community',
);
foreach ($possible as $dir)
{
if (@file_exists($dir . '/SSI.php'))
break;
}
if (!@file_exists($dir . '/Settings.php'))
{
// It's search time! This could take a while!
$possible = array(dirname(__FILE__));
$checked = array();
while (!empty($possible))
{
$dir = array_pop($possible);
if (@file_exists($dir . '/SSI.php') && @file_exists($dir . '/Settings.php'))
break;
$checked[] = $dir;
$dp = dir($dir);
while ($entry = $dp->read())
{
// Do the parents last, children first.
if ($entry == '..' && !in_array(dirname($dir), $checked))
array_unshift($possible, dirname($dir));
elseif (is_dir($dir . '/' . $entry) && $entry != '.' && $entry != '..')
array_push($possible, $dir . '/' . $entry);
}
$dp->close();
}
if (!@file_exists($dir . '/Settings.php'))
return;
}
require_once($dir . '/Settings.php');
if (empty($db_persist))
$db_connection = @mysql_connect($db_server, $db_user, $db_passwd);
else
$db_connection = @mysql_pconnect($db_server, $db_user, $db_passwd);
if ($db_connection === false)
$db_prefix = false;
@mysql_select_db($db_name, $db_connection);
}
function get_linux_data()
{
global $context;
$context['current_time'] = strftime('%B %d, %Y, %I:%M:%S %p');
$context['load_averages'] = @implode('', @get_file_data('/proc/loadavg'));
if (!empty($context['load_averages']) && preg_match('~^([^ ]+?) ([^ ]+?) ([^ ]+)~', $context['load_averages'], $matches) != 0)
$context['load_averages'] = array($matches[1], $matches[2], $matches[3]);
elseif (($context['load_averages'] = @`uptime 2>/dev/null`) != null && preg_match('~load average[s]?: (\d+\.\d+), (\d+\.\d+), (\d+\.\d+)~i', $context['load_averages'], $matches) != 0)
$context['load_averages'] = array($matches[1], $matches[2], $matches[3]);
else
unset($context['load_averages']);
$context['cpu_info'] = array();
$cpuinfo = @implode('', @get_file_data('/proc/cpuinfo'));
if (!empty($cpuinfo))
{
// This only gets the first CPU!
if (preg_match('~model name\s+:\s*([^\n]+)~i', $cpuinfo, $match) != 0)
$context['cpu_info']['model'] = $match[1];
if (preg_match('~cpu mhz\s+:\s*([^\n]+)~i', $cpuinfo, $match) != 0)
$context['cpu_info']['mhz'] = $match[1];
}
else
{
// Solaris, perhaps?
$cpuinfo = @`psrinfo -pv 2>/dev/null`;
if (!empty($cpuinfo))
{
if (preg_match('~clock (\d+)~', $cpuinfo, $match) != 0)
$context['cpu_info']['mhz'] = $match[1];
$cpuinfo = explode("\n", $cpuinfo);
if (isset($cpuinfo[2]))
$context['cpu_info']['model'] = trim($cpuinfo[2]);
}
else
{
// BSD?
$cpuinfo = @`sysctl hw.model 2>/dev/null`;
if (preg_match('~hw\.model:(.+)~', $cpuinfo, $match) != 0)
$context['cpu_info']['model'] = trim($match[1]);
$cpuinfo = @`sysctl dev.cpu.0.freq 2>/dev/null`;
if (preg_match('~dev\.cpu\.0\.freq:(.+)~', $cpuinfo, $match) != 0)
$context['cpu_info']['mhz'] = trim($match[1]);
}
}
$context['memory_usage'] = array();
function unix_memsize($str)
{
$str = strtr($str, array(',' => ''));
if (strtolower(substr($str, -1)) == 'g')
return $str * 1024 * 1024;
elseif (strtolower(substr($str, -1)) == 'm')
return $str * 1024;
elseif (strtolower(substr($str, -1)) == 'k')
return (int) $str;
else
return $str / 1024;
}
$meminfo = @get_file_data('/proc/meminfo');
if (!empty($meminfo))
{
if (preg_match('~:\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)~', $meminfo[1], $matches) != 0)
{
$context['memory_usage']['total'] = $matches[1] / 1024;
$context['memory_usage']['used'] = $matches[2] / 1024;
$context['memory_usage']['free'] = $matches[3] / 1024;
/*$context['memory_usage']['shared'] = $matches[4] / 1024;
$context['memory_usage']['buffers'] = $matches[5] / 1024;
$context['memory_usage']['cached'] = $matches[6] / 1024;*/
}
else
{
$mem = implode('', $meminfo);
if (preg_match('~memtotal:\s*(\d+ [kmgb])~i', $mem, $match) != 0)
$context['memory_usage']['total'] = unix_memsize($match[1]);
if (preg_match('~memfree:\s*(\d+ [kmgb])~i', $mem, $match) != 0)
$context['memory_usage']['free'] = unix_memsize($match[1]);
if (isset($context['memory_usage']['total'], $context['memory_usage']['free']))
$context['memory_usage']['used'] = $context['memory_usage']['total'] - $context['memory_usage']['free'];
/*if (preg_match('~buffers:\s*(\d+ [kmgb])~i', $mem, $match) != 0)
$context['memory_usage']['buffers'] = unix_memsize($match[1]);
if (preg_match('~cached:\s*(\d+ [kmgb])~i', $mem, $match) != 0)
$context['memory_usage']['cached'] = unix_memsize($match[1]);*/
if (preg_match('~swaptotal:\s*(\d+ [kmgb])~i', $mem, $match) != 0)
$context['memory_usage']['swap_total'] = unix_memsize($match[1]);
if (preg_match('~swapfree:\s*(\d+ [kmgb])~i', $mem, $match) != 0)
$context['memory_usage']['swap_free'] = unix_memsize($match[1]);
if (isset($context['memory_usage']['swap_total'], $context['memory_usage']['swap_free']))
$context['memory_usage']['swap_used'] = $context['memory_usage']['swap_total'] - $context['memory_usage']['swap_free'];
}
if (preg_match('~:\s+(\d+)\s+(\d+)\s+(\d+)~', $meminfo[2], $matches) != 0)
{
$context['memory_usage']['swap_total'] = $matches[1] / 1024;
$context['memory_usage']['swap_used'] = $matches[2] / 1024;
$context['memory_usage']['swap_free'] = $matches[3] / 1024;
}
$meminfo = false;
}
// Maybe a generic free?
elseif (empty($context['memory_usage']))
{
$meminfo = explode("\n", @`free -k 2>/dev/null | awk '{ if ($2 * 1 > 0) print $2, $3, $4; }'`);
if (!empty($meminfo[0]))
{
$meminfo[0] = explode(' ', $meminfo[0]);
$meminfo[1] = explode(' ', $meminfo[1]);
$context['memory_usage']['total'] = $meminfo[0][0] / 1024;
$context['memory_usage']['used'] = $meminfo[0][1] / 1024;
$context['memory_usage']['free'] = $meminfo[0][2] / 1024;
$context['memory_usage']['swap_total'] = $meminfo[1][0] / 1024;
$context['memory_usage']['swap_used'] = $meminfo[1][1] / 1024;
$context['memory_usage']['swap_free'] = $meminfo[1][2] / 1024;
}
}
// Solaris, Mac OS X, or FreeBSD?
if (empty($context['memory_usage']))
{
// Well, Solaris will have kstat.
$meminfo = explode("\n", @`kstat -p unix:0:system_pages:physmem unix:0:system_pages:freemem 2>/dev/null | awk '{ print $2 }'`);
if (!empty($meminfo[0]))
{
$pagesize = `/usr/bin/pagesize`;
$context['memory_usage']['total'] = unix_memsize($meminfo[0] * $pagesize);
$context['memory_usage']['free'] = unix_memsize($meminfo[1] * $pagesize);
$context['memory_usage']['used'] = $context['memory_usage']['total'] - $context['memory_usage']['free'];
$meminfo = explode("\n", @`swap -l 2>/dev/null | awk '{ if ($4 * 1 > 0) print $4, $5; }'`);
$context['memory_usage']['swap_total'] = 0;
$context['memory_usage']['swap_free'] = 0;
foreach ($meminfo as $memline)
{
$memline = explode(' ', $memline);
if (empty($memline[0]))
continue;
$context['memory_usage']['swap_total'] += $memline[0];
$context['memory_usage']['swap_free'] += $memline[1];
}
$context['memory_usage']['swap_used'] = $context['memory_usage']['swap_total'] - $context['memory_usage']['swap_free'];
}
}
if (empty($context['memory_usage']))
{
// FreeBSD should have hw.physmem.
$meminfo = @`sysctl hw.physmem 2>/dev/null`;
if (!empty($meminfo) && preg_match('~hw\.physmem: (\d+)~i', $meminfo, $match) != 0)
{
$context['memory_usage']['total'] = unix_memsize($match[1]);
$meminfo = @`sysctl hw.pagesize vm.stats.vm.v_free_count 2>/dev/null`;
if (!empty($meminfo) && preg_match('~hw\.pagesize: (\d+)~i', $meminfo, $match1) != 0 && preg_match('~vm\.stats\.vm\.v_free_count: (\d+)~i', $meminfo, $match2) != 0)
{
$context['memory_usage']['free'] = $match1[1] * $match2[1] / 1024;
$context['memory_usage']['used'] = $context['memory_usage']['total'] - $context['memory_usage']['free'];
}
$meminfo = @`swapinfo 2>/dev/null | awk '{ print $2, $4; }'`;
if (preg_match('~(\d+) (\d+)~', $meminfo, $match) != 0)
{
$context['memory_usage']['swap_total'] = $match[1];
$context['memory_usage']['swap_free'] = $match[2];
$context['memory_usage']['swap_used'] = $context['memory_usage']['swap_total'] - $context['memory_usage']['swap_free'];
}
}
// Let's guess Mac OS X?
else
{
$meminfo = @`top -l1 2>/dev/null`;
if (!empty($meminfo) && preg_match('~PhysMem: (?:.+?) ([\d\.]+\w) used, ([\d\.]+\w) free~', $meminfo, $match) != 0)
{
$context['memory_usage']['used'] = unix_memsize($match[1]);
$context['memory_usage']['free'] = unix_memsize($match[2]);
$context['memory_usage']['total'] = $context['memory_usage']['used'] + $context['memory_usage']['total'];
}
}
}
$context['operating_system']['type'] = 'unix';
$check_release = array('centos', 'fedora', 'gentoo', 'redhat', 'slackware', 'yellowdog');
foreach ($check_release as $os)
{
if (@file_exists('/etc/' . $os . '-release'))
$context['operating_system']['name'] = implode('', get_file_data('/etc/' . $os . '-release'));
}
if (isset($context['operating_system']['name']))
true;
elseif (@file_exists('/etc/debian_version'))
$context['operating_system']['name'] = 'Debian ' . implode('', get_file_data('/etc/debian_version'));
elseif (@file_exists('/etc/SuSE-release'))
{
$temp = get_file_data('/etc/SuSE-release');
$context['operating_system']['name'] = trim($temp[0]);
}
elseif (@file_exists('/etc/release'))
{
$temp = get_file_data('/etc/release');
$context['operating_system']['name'] = trim($temp[0]);
}
else
$context['operating_system']['name'] = trim(@`uname -s -r 2>/dev/null`);
$context['running_processes'] = array();
$processes = @`ps auxc 2>/dev/null | awk '{ print $2, $3, $4, $8, $11, $12 }'`;
if (empty($processes))
$processes = @`ps aux 2>/dev/null | awk '{ print $2, $3, $4, $8, $11, $12 }'`;
// Maybe it's Solaris?
if (empty($processes))
$processes = @`ps -eo pid,pcpu,pmem,s,fname 2>/dev/null | awk '{ print $1, $2, $3, $4, $5, $6 }'`;
// Okay, how about QNX?
if (empty($processes))
$processes = @`ps -eo pid,pcpu,comm 2>/dev/null | awk '{ print $1, $2, 0, "", $5, $6 }'`;
if (!empty($processes))
{
$processes = explode("\n", $processes);
$context['num_zombie_processes'] = 0;
$context['num_sleeping_processes'] = 0;
$context['num_running_processes'] = 0;
for ($i = 1, $n = count($processes) - 1; $i < $n; $i++)
{
$proc = explode(' ', $processes[$i], 5);
$additional = @implode('', @get_file_data('/proc/' . $proc[0] . '/statm'));
if ($proc[4]{0} != '[' && strpos($proc[4], ' ') !== false)
$proc[4] = strtok($proc[4], ' ');
$context['running_processes'][$proc[0]] = array(
'id' => $proc[0],
'cpu' => $proc[1],
'mem' => $proc[2],
'title' => $proc[4],
);
if (strpos($proc[3], 'Z') !== false)
$context['num_zombie_processes']++;
elseif (strpos($proc[3], 'S') !== false)
$context['num_sleeping_processes']++;
else
$context['num_running_processes']++;
if (!empty($additional))
{
$additional = explode(' ', $additional);
$context['running_processes'][$proc[0]]['mem_usage'] = $additional[0];
}
}
$context['top_memory_usage'] = array('(other)' => array('name' => '(other)', 'percent' => 0, 'number' => 0));
$context['top_cpu_usage'] = array('(other)' => array('name' => '(other)', 'percent' => 0, 'number' => 0));
foreach ($context['running_processes'] as $proc)
{
$id = basename($proc['title']);
if (!isset($context['top_memory_usage'][$id]))
$context['top_memory_usage'][$id] = array('name' => $id, 'percent' => $proc['mem'], 'number' => 1);
else
{
$context['top_memory_usage'][$id]['percent'] += $proc['mem'];
$context['top_memory_usage'][$id]['number']++;
}
if (!isset($context['top_cpu_usage'][$id]))
$context['top_cpu_usage'][$id] = array('name' => $id, 'percent' => $proc['cpu'], 'number' => 1);
else
{
$context['top_cpu_usage'][$id]['percent'] += $proc['cpu'];
$context['top_cpu_usage'][$id]['number']++;
}
}
// TODO: shared memory?
foreach ($context['top_memory_usage'] as $proc)
{
if ($proc['percent'] >= 1 || $proc['name'] == '(other)')
continue;
unset($context['top_memory_usage'][$proc['name']]);
$context['top_memory_usage']['(other)']['percent'] += $proc['percent'];
$context['top_memory_usage']['(other)']['number']++;
}
foreach ($context['top_cpu_usage'] as $proc)
{
if ($proc['percent'] >= 0.6 || $proc['name'] == '(other)')
continue;
unset($context['top_cpu_usage'][$proc['name']]);
$context['top_cpu_usage']['(other)']['percent'] += $proc['percent'];
$context['top_cpu_usage']['(other)']['number']++;
}
}
}
function get_windows_data()
{
global $context;
$context['current_time'] = strftime('%B %d, %Y, %I:%M:%S %p');
function windows_memsize($str)
{
$str = strtr($str, array(',' => ''));
if (strtolower(substr($str, -2)) == 'gb')
return $str * 1024 * 1024;
elseif (strtolower(substr($str, -2)) == 'mb')
return $str * 1024;
elseif (strtolower(substr($str, -2)) == 'kb')
return (int) $str;
elseif (strtolower(substr($str, -2)) == ' b')
return $str / 1024;
else
trigger_error('Unknown memory format \'' . $str . '\'', E_USER_NOTICE);
}
$systeminfo = @`systeminfo /fo csv`;
if (!empty($systeminfo))
{
$systeminfo = explode("\n", $systeminfo);
$headings = explode('","', substr($systeminfo[1], 1, -1));
$values = explode('","', substr($systeminfo[2], 1, -1));
$context['cpu_info'] = array();
if ($i = array_search('Processor(s)', $headings))
if (preg_match('~\[01\]: (.+?) (\~?\d+) Mhz$~i', $values[$i], $match) != 0)
{
$context['cpu_info']['model'] = $match[1];
$context['cpu_info']['mhz'] = $match[2];
}
$context['memory_usage'] = array();
if ($i = array_search('Total Physical Memory', $headings))
$context['memory_usage']['total'] = windows_memsize($values[$i]);
if ($i = array_search('Available Physical Memory', $headings))
$context['memory_usage']['free'] = windows_memsize($values[$i]);
if (isset($context['memory_usage']['total'], $context['memory_usage']['free']))
$context['memory_usage']['used'] = $context['memory_usage']['total'] - $context['memory_usage']['free'];
if ($i = array_search('Virtual Memory: Available', $headings))
$context['memory_usage']['swap_total'] = windows_memsize($values[$i]);
if ($i = array_search('Virtual Memory: In Use', $headings))
$context['memory_usage']['swap_used'] = windows_memsize($values[$i]);
if (isset($context['memory_usage']['swap_total'], $context['memory_usage']['swap_free']))
$context['memory_usage']['swap_free'] = $context['memory_usage']['swap_total'] - $context['memory_usage']['swap_used'];
}
$context['operating_system']['type'] = 'windows';
$context['operating_system']['name'] = `ver`;
if (empty($context['operating_system']['name']))
$context['operating_system']['name'] = 'Microsoft Windows';
$context['running_processes'] = array();
$processes = @`tasklist /fo csv /v /nh`;
if (!empty($processes))
{
$processes = explode("\n", $processes);
$total_mem = 0;
$total_cpu = 0;
$context['num_zombie_processes'] = 0;
$context['num_sleeping_processes'] = 0;
$context['num_running_processes'] = 0;
foreach ($processes as $proc)
{
if (empty($proc))
continue;
$proc = explode('","', substr($proc, 1, -1));
$proc[7] = explode(':', $proc[7]);
$proc[7] = ($proc[7][0] * 3600) + ($proc[7][1] * 60) + $proc[7][2];
if (substr($proc[4], -1) == 'K')
$proc[4] = (int) $proc[4];
elseif (substr($proc[4], -1) == 'M')
$proc[4] = $proc[4] * 1024;
elseif (substr($proc[4], -1) == 'G')
$proc[4] = $proc[4] * 1024 * 1024;
else
$proc[4] = $proc[4] / 1024;
$context['running_processes'][$proc[1]] = array(
'id' => $proc[1],
'cpu_time' => $proc[7],
'mem_usage' => $proc[4],
'title' => $proc[0],
);
if (strpos($proc[5], 'Not') !== false)
$context['num_zombie_processes']++;
else
$context['num_running_processes']++;
$total_mem += $proc[4];
$total_cpu += $proc[7];
}
foreach ($context['running_processes'] as $proc)
{
$context['running_processes'][$proc['id']]['cpu'] = ($proc['cpu_time'] * 100) / $total_cpu;
$context['running_processes'][$proc['id']]['mem'] = ($proc['mem_usage'] * 100) / $total_mem;
}
$context['top_memory_usage'] = array('(other)' => array('name' => '(other)', 'percent' => 0, 'number' => 0));
$context['top_cpu_usage'] = array('(other)' => array('name' => '(other)', 'percent' => 0, 'number' => 0));
foreach ($context['running_processes'] as $proc)
{
$id = basename($proc['title']);
if (!isset($context['top_memory_usage'][$id]))
$context['top_memory_usage'][$id] = array('name' => $id, 'percent' => $proc['mem'], 'number' => 1);
else
{
$context['top_memory_usage'][$id]['percent'] += $proc['mem'];
$context['top_memory_usage'][$id]['number']++;
}
if (!isset($context['top_cpu_usage'][$id]))
$context['top_cpu_usage'][$id] = array('name' => $id, 'percent' => $proc['cpu'], 'number' => 1);
else
{
$context['top_cpu_usage'][$id]['percent'] += $proc['cpu'];
$context['top_cpu_usage'][$id]['number']++;
}
}
// TODO: shared memory?
foreach ($context['top_memory_usage'] as $proc)
{
if ($proc['percent'] >= 1 || $proc['name'] == '(other)')
continue;
unset($context['top_memory_usage'][$proc['name']]);
$context['top_memory_usage']['(other)']['percent'] += $proc['percent'];
$context['top_memory_usage']['(other)']['number']++;
}
foreach ($context['top_cpu_usage'] as $proc)
{
if ($proc['percent'] >= 0.6 || $proc['name'] == '(other)')
continue;
unset($context['top_cpu_usage'][$proc['name']]);
$context['top_cpu_usage']['(other)']['percent'] += $proc['percent'];
$context['top_cpu_usage']['(other)']['number']++;
}
}
}
function get_mysql_data()
{
global $context, $db_prefix;
if (!isset($db_prefix) || $db_prefix === false)
return;
$request = mysql_query("
SELECT CONCAT(SUBSTRING(VERSION(), 1, LOCATE('.', VERSION(), 3)), 'x')");
list ($context['mysql_version']) = mysql_fetch_row($request);
mysql_free_result($request);
$request = mysql_query("
SHOW VARIABLES");
$context['mysql_variables'] = array();
while ($row = @mysql_fetch_row($request))
$context['mysql_variables'][$row[0]] = array(
'name' => $row[0],
'value' => $row[1],
);
@mysql_free_result($request);
$request = mysql_query("
SHOW /*!50000 GLOBAL */ STATUS");
$context['mysql_status'] = array();
while ($row = @mysql_fetch_row($request))
$context['mysql_status'][$row[0]] = array(
'name' => $row[0],
'value' => $row[1],
);
@mysql_free_result($request);
$context['mysql_num_sleeping_processes'] = 0;
$context['mysql_num_locked_processes'] = 0;
$context['mysql_num_running_processes'] = 0;
$request = mysql_query("
SHOW FULL PROCESSLIST");
$context['mysql_processes'] = array();
while ($row = @mysql_fetch_assoc($request))
{
if ($row['State'] == 'Locked' || $row['State'] == 'Waiting for tables')
$context['mysql_num_locked_processes']++;
elseif ($row['Command'] == 'Sleep')
$context['mysql_num_sleeping_processes']++;
elseif (trim($row['Info']) == 'SHOW FULL PROCESSLIST' && $row['Time'] == 0 || trim($row['Info']) == '')
$context['mysql_num_running_processes']++;
else
{
$context['mysql_num_running_processes']++;
$context['mysql_processes'][] = array(
'id' => $row['Id'],
'database' => $row['db'],
'time' => $row['Time'],
'state' => $row['State'],
'query' => $row['Info'],
);
}
}
@mysql_free_result($request);
$context['mysql_statistics'] = array();
if (isset($context['mysql_status']['Connections'], $context['mysql_status']['Uptime']))
$context['mysql_statistics'][] = array(
'description' => 'Connections per second',
'value' => $context['mysql_status']['Connections']['value'] / max(1, $context['mysql_status']['Uptime']['value']),
);
if (isset($context['mysql_status']['Bytes_received'], $context['mysql_status']['Uptime']))
$context['mysql_statistics'][] = array(
'description' => 'Kilobytes received per second',
'value' => ($context['mysql_status']['Bytes_received']['value'] / max(1, $context['mysql_status']['Uptime']['value'])) / 1024,
);
if (isset($context['mysql_status']['Bytes_sent'], $context['mysql_status']['Uptime']))
$context['mysql_statistics'][] = array(
'description' => 'Kilobytes sent per second',
'value' => ($context['mysql_status']['Bytes_sent']['value'] / max(1, $context['mysql_status']['Uptime']['value'])) / 1024,
);
if (isset($context['mysql_status']['Questions'], $context['mysql_status']['Uptime']))
$context['mysql_statistics'][] = array(
'description' => 'Queries per second',
'value' => $context['mysql_status']['Questions']['value'] / max(1, $context['mysql_status']['Uptime']['value']),
);
if (isset($context['mysql_status']['Slow_queries'], $context['mysql_status']['Questions']))
$context['mysql_statistics'][] = array(
'description' => 'Percentage of slow queries',
'value' => $context['mysql_status']['Slow_queries']['value'] / max(1, $context['mysql_status']['Questions']['value']),
);
if (isset($context['mysql_status']['Opened_tables'], $context['mysql_status']['Open_tables']))
$context['mysql_statistics'][] = array(
'description' => 'Opened vs. Open tables',
'value' => $context['mysql_status']['Opened_tables']['value'] / max(1, $context['mysql_status']['Open_tables']['value']),
'setting' => 'table_cache',
'max' => 80,
);
if (isset($context['mysql_status']['Opened_tables'], $context['mysql_variables']['table_cache']['value']))
$context['mysql_statistics'][] = array(
'description' => 'Table cache usage',
'value' => $context['mysql_status']['Open_tables']['value'] / max(1, $context['mysql_variables']['table_cache']['value']),
'setting' => 'table_cache',
'min' => 0.5,
'max' => 0.9,
);
if (isset($context['mysql_status']['Key_reads'], $context['mysql_status']['Key_read_requests']))
$context['mysql_statistics'][] = array(
'description' => 'Key buffer read hit rate',
'value' => $context['mysql_status']['Key_reads']['value'] / max(1, $context['mysql_status']['Key_read_requests']['value']),
'setting' => 'key_buffer_size',
'max' => 0.01,
);
if (isset($context['mysql_status']['Key_writes'], $context['mysql_status']['Key_write_requests']))
$context['mysql_statistics'][] = array(
'description' => 'Key buffer write hit rate',
'value' => $context['mysql_status']['Key_writes']['value'] / max(1, $context['mysql_status']['Key_write_requests']['value']),
'setting' => 'key_buffer_size',
'max' => 0.5,
);
if (isset($context['mysql_status']['Threads_created'], $context['mysql_status']['Connections']))
$context['mysql_statistics'][] = array(
'description' => 'Thread cache hit rate',
'value' => $context['mysql_status']['Connections']['value'] / max(1, $context['mysql_status']['Threads_created']['value']),
'setting' => 'thread_cache_size',
'min' => 30,
);
if (isset($context['mysql_status']['Threads_created'], $context['mysql_variables']['thread_cache_size']))
$context['mysql_statistics'][] = array(
'description' => 'Thread cache usage',
'value' => $context['mysql_status']['Threads_cached']['value'] / max(1, $context['mysql_variables']['thread_cache_size']['value']),
'setting' => 'thread_cache_size',
'min' => 0.7,
'max' => 0.9,
);
if (isset($context['mysql_status']['Created_tmp_tables'], $context['mysql_status']['Created_tmp_disk_tables']))
$context['mysql_statistics'][] = array(
'description' => 'Temporary table disk usage',
'value' => $context['mysql_status']['Created_tmp_disk_tables']['value'] / max(1, $context['mysql_status']['Created_tmp_tables']['value']),
'setting' => 'tmp_table_size',
'max' => 0.5,
);
if (isset($context['mysql_status']['Sort_merge_passes'], $context['mysql_status']['Sort_rows']))
$context['mysql_statistics'][] = array(
'description' => 'Sort merge pass rate',
'value' => $context['mysql_status']['Sort_merge_passes']['value'] / max(1, $context['mysql_status']['Sort_rows']['value']),
'setting' => 'sort_buffer',
'max' => 0.001,
);
$context['mysql_statistics'][] = array(
'description' => 'Query cache enabled',
'value' => !empty($context['mysql_variables']['query_cache_type']['value']) ? (int) ($context['mysql_variables']['query_cache_type']['value'] == 'ON') : 0,
'setting' => 'query_cache_type',
'min' => 1,
'max' => 1,
);
if (isset($context['mysql_status']['Qcache_not_cached'], $context['mysql_status']['Com_select']))
$context['mysql_statistics'][] = array(
'description' => 'Query cache miss rate',
'value' => 1 - $context['mysql_status']['Qcache_hits']['value'] / max(1, $context['mysql_status']['Com_select']['value'] + $context['mysql_status']['Qcache_hits']['value']),
'setting' => 'query_cache_limit',
'max' => 0.5,
);
if (isset($context['mysql_status']['Qcache_lowmem_prunes'], $context['mysql_status']['Com_select']))
$context['mysql_statistics'][] = array(
'description' => 'Query cache prune rate',
'value' => $context['mysql_status']['Qcache_lowmem_prunes']['value'] / max(1, $context['mysql_status']['Com_select']['value']),
'setting' => 'query_cache_size',
'max' => 0.05,
);
}
function generate_status()
{
global $context, $command_line;
show_header();
if (strpos(strtolower(PHP_OS), 'win') === 0)
get_windows_data();
else
get_linux_data();
get_mysql_data();
if ($command_line)
{
if (!empty($context['operating_system']['name']))
echo 'Operating System: ', trim($context['operating_system']['name']), "\n";
if (!empty($context['cpu_info']))
echo 'Processor: ', trim($context['cpu_info']['model']), ' (', trim($context['cpu_info']['mhz']), 'MHz)', "\n";
if (isset($context['load_averages']))
echo 'Load averages: ', implode(', ', $context['load_averages']), "\n";
if (!empty($context['running_processes']))
echo 'Current processes: ', count($context['running_processes']), ' (', !empty($context['num_sleeping_processes']) ? $context['num_sleeping_processes'] . ' sleeping, ' : '', $context['num_running_processes'], ' running, ', $context['num_zombie_processes'], ' zombie)', "\n";
if (!empty($context['top_cpu_usage']))
{
echo 'Processes by CPU: ';
$temp = array();
foreach ($context['top_cpu_usage'] as $proc)
$temp[$proc['percent']] = $proc['name'] . ($proc['number'] > 1 ? ' (' . $proc['number'] . ') ' : ' ') . number_format($proc['percent'], 1) . '%';
krsort($temp);
echo implode(', ', $temp), "\n";
}
if (!empty($context['memory_usage']))
echo 'Memory usage: ', round(($context['memory_usage']['used'] * 100) / $context['memory_usage']['total'], 3), '% (', $context['memory_usage']['used'], 'k / ', $context['memory_usage']['total'], 'k)', "\n";
if (isset($context['memory_usage']['swap_used']))
echo 'Swap usage: ', round(($context['memory_usage']['swap_used'] * 100) / max(1, $context['memory_usage']['swap_total']), 3), '% (', $context['memory_usage']['swap_used'], 'k / ', $context['memory_usage']['swap_total'], 'k)', "\n";
if (!empty($context['mysql_processes']) || !empty($context['mysql_num_sleeping_processes']) || !empty($context['mysql_num_locked_processes']))
echo 'MySQL processes: ', $context['mysql_num_running_processes'] + $context['mysql_num_locked_processes'] + $context['mysql_num_sleeping_processes'], ' (', $context['mysql_num_sleeping_processes'], ' sleeping, ', $context['mysql_num_running_processes'], ' running, ', $context['mysql_num_locked_processes'], ' locked)', "\n";
if (!empty($context['mysql_statistics']))
{
echo "\n", 'MySQL statistics:', "\n";
foreach ($context['mysql_statistics'] as $stat)
{
$warning = (isset($stat['max']) && $stat['value'] > $stat['max']) || (isset($stat['min']) && $stat['value'] < $stat['min']);
$warning = $warning ? '(should be ' . (isset($stat['min']) ? '>= ' . $stat['min'] . ' ' : '') . (isset($stat['max'], $stat['min']) ? 'and ' : '') . (isset($stat['max']) ? '<= ' . $stat['max'] : '') . ')' : '';
echo sprintf('%-34s%-6.6s %34s', $stat['description'] . ':', round($stat['value'], 4), $warning), "\n";
}
}
return;
}
echo '
<div class="panel">
<h2>Basic Information</h2>
<div style="text-align: right;">', $context['current_time'], '</div>
<table width="100%" cellpadding="2" cellspacing="0" border="0">';
if (!empty($context['operating_system']['name']))
echo '
<tr>
<th valign="top" style="text-align: left; width: 30%;">Operating System:</th>
<td>', $context['operating_system']['name'], '</td>
</tr>';
if (!empty($context['cpu_info']))
echo '
<tr>
<th valign="top" style="text-align: left; width: 30%;">Processor:</th>
<td>', strtr($context['cpu_info']['model'], array('(R)' => '®')), ' (', $context['cpu_info']['mhz'], 'MHz)</td>
</tr>';
if (isset($context['load_averages']))
echo '
<tr>
<th style="text-align: left; width: 30%;">Load averages:</th>
<td>', implode(', ', $context['load_averages']), '</td>
</tr>';
if (!empty($context['running_processes']))
echo '
<tr>
<th style="text-align: left; width: 30%;">Current processes:</th>
<td>', count($context['running_processes']), ' (', !empty($context['num_sleeping_processes']) ? $context['num_sleeping_processes'] . ' sleeping, ' : '', $context['num_running_processes'], ' running, ', $context['num_zombie_processes'], ' zombie)</td>
</tr>';
if (!empty($context['top_cpu_usage']))
{
echo '
<tr>
<th style="text-align: left; width: 30%;">Processes by CPU:</th>
<td>';
$temp = array();
foreach ($context['top_cpu_usage'] as $proc)
$temp[$proc['percent']] = htmlspecialchars($proc['name']) . ' <em>(' . $proc['number'] . ')</em> ' . number_format($proc['percent'], 1) . '%';
krsort($temp);
echo implode(', ', $temp);
echo '
</td>
</tr>';
}
if (!empty($context['memory_usage']))
{
echo '
<tr>
<th valign="top" style="text-align: left; width: 30%;">Memory usage:</th>
<td>
', round(($context['memory_usage']['used'] * 100) / $context['memory_usage']['total'], 3), '% (', $context['memory_usage']['used'], 'k / ', $context['memory_usage']['total'], 'k)';
if (isset($context['memory_usage']['swap_used']))
echo '<br />
Swap: ', round(($context['memory_usage']['swap_used'] * 100) / max(1, $context['memory_usage']['swap_total']), 3), '% (', $context['memory_usage']['swap_used'], 'k / ', $context['memory_usage']['swap_total'], 'k)';
echo '
</td>
</tr>';
}
echo '
</table>
</div>';
if (!empty($context['mysql_processes']) || !empty($context['mysql_num_sleeping_processes']) || !empty($context['mysql_num_locked_processes']))
{
echo '
<div class="panel">
<h2>MySQL processes</h2>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<th valign="top" style="text-align: left; width: 30%;">Total processes:</th>
<td>', $context['mysql_num_running_processes'] + $context['mysql_num_locked_processes'] + $context['mysql_num_sleeping_processes'], ' (', $context['mysql_num_sleeping_processes'], ' sleeping, ', $context['mysql_num_running_processes'], ' running, ', $context['mysql_num_locked_processes'], ' locked)</td>
</tr>
</table>';
if (!empty($context['mysql_processes']))
{
echo '
<br />
<h2>Running processes</h2>
<table width="100%" cellpadding="2" cellspacing="0" border="0" style="table-layout: fixed;">
<tr>
<th style="width: 14ex;">State</th>
<th style="width: 8ex;">Time</th>
<th>Query</th>
</tr>';
foreach ($context['mysql_processes'] as $proc)
{
echo '
<tr>
<td>', $proc['state'], '</td>
<td style="text-align: center;">', $proc['time'], 's</td>
<td><div style="width: 100%; ', strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ? 'max-' : '', 'height: 7em; overflow: auto;"><pre style="margin: 0; border: 1px solid gray;">';
$temp = explode("\n", $proc['query']);
$min_indent = 0;
foreach ($temp as $line)
{
preg_match('/^(\t*)/', $line, $x);
if (strlen($x[0]) < $min_indent || $min_indent == 0)
$min_indent = strlen($x[0]);
}
if ($min_indent > 0)
{
$proc['query'] = '';
foreach ($temp as $line)
$proc['query'] .= preg_replace('~^\t{0,' . $min_indent . '}~i', '', $line) . "\n";
}
// Now, let's clean up the query.
$clean = '';
$old_pos = 0;
$pos = -1;
while (true)
{
$pos = strpos($proc['query'], '\'', $pos + 1);
if ($pos === false)
break;
$clean .= substr($proc['query'], $old_pos, $pos - $old_pos);
$str_pos = $pos;
while (true)
{
$pos1 = strpos($proc['query'], '\'', $pos + 1);
$pos2 = strpos($proc['query'], '\\', $pos + 1);
if ($pos1 === false)
break;
elseif ($pos2 == false || $pos2 > $pos1)
{
$pos = $pos1;
break;
}
$pos = $pos2 + 1;
}
$str = substr($proc['query'], $str_pos, $pos - $str_pos + 1);
$clean .= strlen($str) < 12 ? $str : '\'%s\'';
$old_pos = $pos + 1;
}
$clean .= substr($proc['query'], $old_pos);
echo strtr(htmlspecialchars($clean), array("\n" => '<br />', "\r" => ''));
echo '</pre></div></td>
</tr>';
}
echo '
</table>';
}
echo '
</div>';
}
if (!empty($context['mysql_statistics']))
{
echo '
<div class="panel">
<h2>MySQL Statistics</h2>
<div style="text-align: right;">MySQL ', $context['mysql_version'], '</div>
<table width="100%" cellpadding="2" cellspacing="0" border="0">';
foreach ($context['mysql_statistics'] as $stat)
{
$warning = (isset($stat['max']) && $stat['value'] > $stat['max']) || (isset($stat['min']) && $stat['value'] < $stat['min']);
echo '
<tr>
<th valign="top" style="text-align: left; width: 30%;">
', $stat['description'], ':', isset($stat['setting']) ? '<br />
<em style="font-size: smaller;' . ($warning ? 'font-weight: bold;' : '') . '">(' . $stat['setting'] . ')</em>' : '', '
</th>
<td>
', round($stat['value'], 4);