<?php
/**
 * Created by PhpStorm.
 * User: hy
 * Date: 2019-05-16
 * Time: 13:41
 */
class IpAgencyService
{
    /**
     * 获取ip代理
     * @return mixed
     */
    public static function getIpAgency() {
//        再redis中存10秒，在去请求新的代理
        $res = RedisModel::get('ipproxyPort');
        if($res){
            return json_decode($res);
        }
        
        $url = 'http://mvip.piping.mogumiao.com/proxy/api/get_ip_bs?appKey=f40abf802fec41f3ab723e0bcf529ab0&count=5&expiryDate=0&format=1&newLine=2';
        $result = self::curl('GET',$url);
        if (isset($result->code) && $result->code == 0) {
            
            RedisModel::set('ipproxyPort', json_encode($result->msg));
            RedisModel::expire('ipproxyPort', 10);     
//            之前的代码看的不是特别明白，限制出现了限制直接把返回的代理缓存30秒，如果超过了30秒再去访问
            
            
            return $result->msg;
            
            
        }else {
            if (isset($result->code) && $result->code == 3001) { //接口频率限制, 每次10s
                sleep(1);
                return self::getIpAgency();
            }
            die();
        }
    }

    private static function curl($method, $url, $data=array(), $headers=array()) {
        $ch = curl_init();//初始化curl
        curl_setopt($ch, CURLOPT_URL,$url);
        curl_setopt($ch, CURLOPT_HEADER, 0);//
//        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);          //单位 秒，也可以使用
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//绕过ssl验证
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        if($method == 'post'){
            curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
            curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
        }
        $data = curl_exec($ch);//运行curl
        curl_close($ch);
        return json_decode($data);

    }
}