...
| Code Block |
|---|
function count_process($process_name)
{
// check process in the process list
$bot_count_cmd = "ps aux | grep \"{$process_name}\" | wc -l";
$bot_count=shell_exec($bot_count_cmd);
$bot_count=intval( trim($bot_count) )/-2; // you may need to tune the number based on your running environment
return $bot_count;
} |
...
| Code Block |
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// check encoding.php in the process list
$bot_count=process_count("php encoding.php");
// we will just keep max 2 encoding bots
if (($bot_count)>2) exit; |
Below is another example to check redis and restart its demon
| Code Block |
|---|
|
#!/bin/php
<?
function count_process($process_name)
{
$cmd = "ps aux | grep \"{$process_name}\"";
$res=shell_exec($cmd);
echo $res . "\n";
// check process in the process list
$bot_count_cmd = "ps aux | grep \"{$process_name}\" | wc -l";
$bot_count=shell_exec($bot_count_cmd);
$bot_count=intval( trim($bot_count)-2 ); // you may need to tune the number based on your running environment
return $bot_count;
}
if (count_process("redis-server")<1)
{
shell_exec("sudo service redis restart");
}
?> |