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- <?php
- namespace App\Components;
- use Exception;
- use Log;
- class NetworkDetection
- {
- /**
- * 用api.50network.com进行节点阻断检测
- *
- * @param string $ip 被检测的IP
- * @param boolean $type TRUE 为ICMP,FALSE 为tcp
- * @param int $port 检测端口,默认为空
- *
- * @return bool|string
- */
- public static function networkCheck($ip, $type, $port = NULL)
- {
- $url = 'https://api.50network.com/china-firewall/check/ip/'.($type? 'icmp/' : ($port? 'tcp_port/' : 'tcp_ack/')).$ip.($port? '/'.$port : '');
- $checkName = $type? 'ICMP' : 'TCP';
- try{
- $ret = json_decode(Curl::send($url), TRUE);
- if(!$ret){
- Log::warning("【".$checkName."阻断检测】检测".$ip."时,接口返回异常访问链接:".$url);
- return FALSE;
- }elseif(!$ret['success']){
- if($ret['error'] == "execute timeout (3s)"){
- sleep(10);
- return self::networkCheck($ip, $type, $port);
- }else{
- Log::warning("【".$checkName."阻断检测】检测".$ip.($port? : '')."时,返回".json_encode($ret));
- }
- return FALSE;
- }
- }catch(Exception $e){
- Log::warning("【".$checkName."阻断检测】检测".$ip."时,接口请求超时".$e);
- return FALSE;
- }
- if($ret['firewall-enable'] && $ret['firewall-disable']){
- return "通讯正常"; // 正常
- }elseif($ret['firewall-enable'] && !$ret['firewall-disable']){
- return "海外阻断"; // 国外访问异常
- }elseif(!$ret['firewall-enable'] && $ret['firewall-disable']){
- return "国内阻断"; // 被墙
- }else{
- return "机器宕机"; // 服务器宕机
- }
- }
- /**
- * 用api.iiwl.cc进行Ping检测
- *
- * @param string $ip 被检测的IP或者域名
- *
- * @return bool|array
- */
- public static function ping($ip)
- {
- $url = 'https://api.iiwl.cc/api/ping.php?url='.$ip;
- try{
- $ret = json_decode(Curl::send($url), TRUE);
- if(!$ret){
- Log::warning("【PING】检测".$ip."时,接口返回异常访问链接:".$url);
- return FALSE;
- }elseif($ret['code'] != 1 || $ret['msg'] != "检测成功!"){
- Log::warning("【PING】检测".$ip."时,返回".json_encode($ret));
- return FALSE;
- }
- }catch(Exception $e){
- Log::warning("【Ping】检测".$ip."时,接口请求超时".$e);
- return FALSE;
- }
- return $ret['data']; // 服务器宕机
- }
- }
- ?>
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