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#!/usr/bin/php
<?php
// HTTP thread monitoring - Chun Kang (ck@ckii.com) at 2021-11-02

foreach($argv as $v)
{
        $v = strtolower($v);
}

$loop_limit=99999;

$hostname = gethostname();

for($i=0; $i<$loop_limit; $i++)
{
        if ($i) sleep(1);

        $resp = shell_exec( "ss | grep http | wc -l");
        $process_count = intval($resp);

        $cpu_usage = trim( shell_exec( "grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage \"%\"}'") );

        if ($process_count<100) $bar_str = "\033[32m";
        else if ($process_count<200) $bar_str = "\033[33m";
        else if ($process_count<500) $bar_str = "\033[35m";
        else
        {
                $bar_str = "\033[31m";
        }
        $bar_str = "";
        if ($process_count)
        {
                $bar_count = round( $process_count/30, 0);
                while( $bar_count>0 )
                {
                        $bar_str .= "#";
                        $bar_count--;
                }
                if ($process_count) $bar_str .= "#";
                $bar_str .= "\033[0m ";
        }

        echo "[{$hostname}] {$bar_str}" . number_format($process_count) . " (CPU {$cpu_usage})\n";
}