$col_white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
$col_red = imagecolorallocate($image, 0xD0, 0x60, 0x30);
$col_green = imagecolorallocate($image, 0x60, 0xF0, 0x60);
$col_black = imagecolorallocate($image, 0, 0, 0);
imagecolortransparent($image,$col_white);
switch ($_GET['IMG']){
case 1: // pie chart
$tsize=$memcacheStats['limit_maxbytes'];
$avail=$tsize-$memcacheStats['bytes'];
$x=$y=$size/2;
$angle_from = 0;
$fuzz = 0.000001;
foreach($memcacheStatsSingle as $serv=>$mcs) {
$free = $mcs['STAT']['limit_maxbytes']-$mcs['STAT']['bytes'];
$used = $mcs['STAT']['bytes'];
if ($free>0){
// draw free
$angle_to = ($free*360)/$tsize;
$perc =sprintf("%.2f%%", ($free *100) / $tsize) ;
fill_arc($image,$x,$y,$size,$angle_from,$angle_from + $angle_to ,$col_black,$col_green,$perc);
$angle_from = $angle_from + $angle_to ;
}
if ($used>0){
// draw used
$angle_to = ($used*360)/$tsize;
$perc =sprintf("%.2f%%", ($used *100) / $tsize) ;
fill_arc($image,$x,$y,$size,$angle_from,$angle_from + $angle_to ,$col_black,$col_red, '('.$perc.')' );
$angle_from = $angle_from+ $angle_to ;
}
}
break;
case 2: // hit miss
$hits = ($memcacheStats['get_hits']==0) ? 1:$memcacheStats['get_hits'];
$misses = ($memcacheStats['get_misses']==0) ? 1:$memcacheStats['get_misses'];
$total = $hits + $misses ;
fill_box($image, 30,$size,50,-$hits*($size-21)/$total,$col_black,$col_green,sprintf("%.1f%%",$hits*100/$total));
fill_box($image,130,$size,50,-max(4,($total-$hits)*($size-21)/$total),$col_black,$col_red,sprintf("%.1f%%",$misses*100/$total));
break;
}
header("Content-type: image/png");
imagepng($image);
exit;
}
echo getHeader();
echo getMenu();
switch ($_GET['op']) {
case 1: // host stats
$phpversion = phpversion();
$memcacheStats = getMemcacheStats();
$memcacheStatsSingle = getMemcacheStats(false);
$mem_size = $memcacheStats['limit_maxbytes'];
$mem_used = $memcacheStats['bytes'];
$mem_avail= $mem_size-$mem_used;
$startTime = time()-array_sum($memcacheStats['uptime']);
$curr_items = $memcacheStats['curr_items'];
$total_items = $memcacheStats['total_items'];
$hits = ($memcacheStats['get_hits']==0) ? 1:$memcacheStats['get_hits'];
$misses = ($memcacheStats['get_misses']==0) ? 1:$memcacheStats['get_misses'];
$sets = $memcacheStats['cmd_set'];
$req_rate = sprintf("%.2f",($hits+$misses)/($time-$startTime));
$hit_rate = sprintf("%.2f",($hits)/($time-$startTime));
$miss_rate = sprintf("%.2f",($misses)/($time-$startTime));
$set_rate = sprintf("%.2f",($sets)/($time-$startTime));
echo <<< EOB
<div><h2>General Cache Information</h2>
<table cellspacing=0><tbody>
<tr><td>PHP Version</td><td>$phpversion</td></tr>
EOB;
echo "<tr><td>Memcached Host". ((count($MEMCACHE_SERVERS)>1) ? 's':'')."</td><td>";
$i=0;
if (!isset($_GET['singleout']) && count($MEMCACHE_SERVERS)>1){
foreach($MEMCACHE_SERVERS as $server){
echo ($i+1).'. <a href="'https://www.linuxidc.com/Linux/2014-11/.$PHP_SELF.'&singleout='.$i++.'">'.$server.'</a><br/>';
}
}
else{
echo '1.'.$MEMCACHE_SERVERS[0];
}
if (isset($_GET['singleout'])){
echo '<a href="'https://www.linuxidc.com/Linux/2014-11/.$PHP_SELF.'">(all servers)</a><br/>';
}
echo "</td></tr>\n";
echo "<tr><td>Total Memcache Cache</td><td>".bsize($memcacheStats['limit_maxbytes'])."</td></tr>\n";
echo <<<EOB
</tbody></table>
</div>