PHP Prober Client

client.php

<?php
error_reporting(0);
function curl($url) {
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_TIMEOUT, 2);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$r = curl_exec($ch);
	$curl_errno = curl_errno($ch);
	curl_close($ch);
	if($curl_errno > 0) return false;
	return $r;
}

function cpuinfo() {
	$cpuinfo = file('/proc/cpuinfo');
	foreach ($cpuinfo as $line) {
		$templine = str_replace("\t", '', $line);
		$templine = str_replace("\n", '', $templine);
		$cpuinfo[] = $templine;
	}

	$cpu = array();
	foreach ($cpuinfo as $line) {
		$cpu[] = explode(':', $line);
	}

	$json = str_replace('\t', '', json_encode($cpu));
	$json = str_replace('\n', '', $json);
	$cpuinfo = json_decode($json, true);
	unset($json, $cpu);
	$cpu = array();
	foreach($cpuinfo as $array) {
		$name = $array[0];
		if($name == '') continue;
		$val = ltrim($array[1]);
		$cpu[$name] = $val;
	}
	return $cpu;
}

function loadavg() {
	if(!is_readable('/proc/loadavg')) return false;
	$loadavg = explode(' ', file_get_contents('/proc/loadavg'));
	return implode(' ', current(array_chunk($loadavg, 4)));
}

function getcores() {
	if(!is_readable('/proc/cpuinfo')) return str_replace("\n",'',`nproc`);
	$cpuinfo = file('/proc/cpuinfo');
	$cores = 0;
	for($i=0;$i<count($cpuinfo);$i++) {
		$linenow = $cpuinfo[$i];
		if(strstr($linenow,'flags')) $cores++;
	}
	if($cores>0) {
		return $cores;
	} else {
		return str_replace("\n",'',`nproc`);
	}
}

function hddusage() {
	$df = `df`;
	if($df == null) {
		$total = disk_total_space('/');
		$free = disk_free_space('/');
		$used = (int)$total - $free;
		$array['percent'] = floor(($used / $total) * 100);
		$array['used'] = floor($used / 1024);
		$array['total'] = floor($total / 1024);
		return $array;
	} else {
		while(strstr($df,'  ')) $df = str_replace('  ',' ',$df);
		$df = explode("\n",$df);
		$dff = array();
		$t_total = 0;
		$t_used = 0;
		for($i=1;$i<count($df)-1;$i++) {
			$linenow = $df[$i];
			$temp = explode(' ',$linenow);
			$exclude = array('tmpfs','devtmpfs','udev','none','shm');
			$Filesystem = $temp[0];
			$total = $temp[1];
			$used = $temp[2];
			for($x=0;$x<count($exclude);$x++) {
				$keynow = $exclude[$x];
				if($Filesystem == $keynow) continue 2;
			}
			$t_total = $t_total + $total;
			$t_used = $t_used + $used;
		}
		$array['percent'] = floor(($t_used / $t_total) * 100);
		$array['used'] = $t_used;
		$array['total'] = $t_total;
		return $array;
	}
}

function corestat() {
	if(!is_readable('/proc/stat')) return false;
	preg_match('/^cpu\s*(\d+\s*)*/i', file_get_contents('/proc/stat'), $line);
	$corestat = explode(' ', current($line));
	$dif = array(
		'user' => (int)$corestat[0],
		'nice' => (int)$corestat[1],
		'system' => (int)$corestat[2],
		'idle' => (int)$corestat[3],
		'iowait' => (int)$corestat[4],
		'irq' => (int)$corestat[5],
		'softirq' => (int)$corestat[6],
		'stealstolen' => (int)$corestat[7],
		'guest' => (int)$corestat[8]
	);
	$dif['total'] = array_sum($dif);
	return $dif;
}

function ramuse() {
	if(!is_readable('/proc/meminfo')) return false;
	$meminfo = file_get_contents('/proc/meminfo');
	$res['MemTotal'] = preg_match('/MemTotal\s*\:\s*(\d+)/i', $meminfo, $MemTotal) ? (int)$MemTotal[1] : 0;
	$res['MemFree'] = preg_match('/MemFree\s*\:\s*(\d+)/i', $meminfo, $MemFree) ? (int)$MemFree[1] : 0;
	$res['Cached'] = preg_match('/Cached\s*\:\s*(\d+)/i', $meminfo, $Cached) ? (int)$Cached[1] : 0;
	$res['Buffers'] = preg_match('/Buffers\s*\:\s*(\d+)/i', $meminfo, $Buffers) ? (int)$Buffers[1] : 0;
	$res['SwapTotal'] = preg_match('/SwapTotal\s*\:\s*(\d+)/i', $meminfo, $SwapTotal) ? (int)$SwapTotal[1] : 0;
	$res['SwapFree'] = preg_match('/SwapFree\s*\:\s*(\d+)/i', $meminfo, $SwapFree) ? (int)$SwapFree[1] : 0;
	return $res;
}

function uptime() {
	if(!is_readable('/proc/uptime')) return false;
	$cpucores = getcores();
	$uptime = str_replace("\n",'',file_get_contents('/proc/uptime'));
	$uptimearr = explode(' ',$uptime);
	$arr['uptime'] = floor($uptimearr[0]);
	$arr['freetime'] = floor($uptimearr[1]) / $cpucores;
	$cpucores = getcores();
	$arr['freepercent'] = round(($arr['freetime'] / $arr['uptime'] * 100) , 2);
	return $arr;
}

function network() {
	$net = file("/proc/net/dev"); 
	$netname = array('enp2s0','eth1','eth0','venet0','ens18');
	$dev = array();
	for($i=2;$i<count($net);$i++) {
		$linenow = $net[$i];
		$arrnow = explode(':', $linenow);
		for($x=0;$x<count($netname);$x++) {
			$namenow = $netname[$x];
			if(strstr($arrnow[0], $namenow)) {
				$strs = $linenow;
			} else {
				continue;
			}
		}
	}
	preg_match_all( "/([^\s]+):[\s]{0,}(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/", $strs, $info );
	$return['in'] = $info[2][0];
	$return['out'] = $info[10][0];
	return $return;
}

function Getipv4() {
	$ipipurl = 'http://ip.huomao.com/ip';
	$ipipjson = curl($ipipurl);
	$ipiparr = json_decode($ipipjson,true);
	return $ipiparr['ip'];
}

$json['loadavg'] = loadavg();
$json['cpuinfo'] = cpuinfo();
$json['ramuse'] = ramuse();
$json['uptime'] = uptime();
$json['network'] = network();
$json['network']['v4'] = Getipv4();
$json['hddusage'] = hddusage();

if(!$json['loadavg'] == false) {
	echo json_encode($json);
} else {
	$cmd = 'php '.$_SERVER['SCRIPT_FILENAME'];
	exec($cmd,$result);
	if($result == null) {
		echo json_encode($json);
	} else {
		echo implode("\n",$result);
	}
}