Server-Monitor

<?php
function DeleteHtml($str)  //清除字符串的空格
{ 
	$str = trim($str);
	$str = preg_replace("/\t/","",$str);
	$str = preg_replace("/\r\n/","",$str); 
	$str = preg_replace("/\r/","",$str); 
	$str = preg_replace("/\n/","",$str); 
	$str = preg_replace("/ /","",$str);
	$str = preg_replace("/  /","",$str);
	return trim($str);
}

function send_post($url, $post_data) {    //POST请求封装函数
      $postdata = http_build_query($post_data);    
      $options = array(    
            'http' => array(    
                'method' => 'POST',    
                'header' => 'Content-type:application/x-www-form-urlencoded',    
                'content' => $postdata,    
                'timeout' => 15 * 60 
            )    
        );    
        $context = stream_context_create($options);    
        $result = file_get_contents($url, false, $context);             
        return $result;    
}

$url = DeleteHtml($_GET['url']); //获取URL中需要监控的地址
if($url == ""){
	echo "Error:Unknow URL";
	exit();
}
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl,CURLOPT_NOBODY,true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($curl);
$code = curl_getinfo($curl,CURLINFO_HTTP_CODE); //获取HTTP状态码
$post_data = array(
    'amapi_pass' => '密钥',
    'amh_cmd' => 'base64转码后的命令'
);
if($code == 502){
	send_post('http://AMH后台IP:端口/index.php?c=amapi&a=call', $post_data); //发现错误执行重启操作
	echo "Error:502";
	curl_close($curl);
	exit();
}else{
	curl_close($curl);
	echo "当前URL：".$url;
	echo "<br>当前状态：".$code;
	echo "<br>执行完成";
	exit();
}
?>