<?php
/**
 *  阿里云日志服务路由
 */
class AliyunLogHubRoute extends \CLogRoute
{
    //阿里云日志hub配置
    private $_conf = [];

    //初始化
    public function init()
    {
        parent::init();
        $this->_conf = \Yii::app()->params['aliyunLogHub'];
    }

    public function processLogs($logs)
    {
//        if (LWM_ENV =='dev') { //debug环境,输出本地日志即可
//            $this->_localFileLog($logs);
//            return;
//        }
        $this->_conf = \Yii::app()->params['aliyunLogHub'];
        $logitems = array();
        $requestId = uniqid("lwm_", true);
        foreach ($logs as $log) {
            $logItem = new \Aliyun_Log_Models_LogItem();
            $logItem->setTime($log[3]);
            $logItem->setContents([
                'request_id' => $requestId,
                'ip' => $this->_getServerIp(),
                'route' => Logger::$route,
                'category' => $log[2],
                'level' => $log[1],
                'message' => $log[0],
                'user_ip' => $this->GetIP(),
            ]);
            $logitems[] = $logItem;
        }
        $source = "";
        $client = new \Aliyun_Log_Client($this->_conf['endpoint'], $this->_conf['accessKeyId'], $this->_conf['accessKey']);
        $req = new \Aliyun_Log_Models_PutLogsRequest($this->_conf['project'], $this->_conf['logstore'], $this->_conf['topic'], $source, $logitems);
        try {
            $res = $client->putLogs($req);
        } catch (\Exception $e) {
            //有错误则本地输出日志
            $this->_localFileLog($logs);
        }
    }

    /**
     * 获取服务器 ip
     * @return string
     */
    private function _getServerIp()
    {
        if(isset($_SERVER['SERVER_ADDR']) && !empty($_SERVER['SERVER_ADDR']))
            return $_SERVER['SERVER_ADDR'];

        if (!isset($_SERVER['HOSTNAME'])) {
            return '';
        }
        return gethostbyname($_SERVER['HOSTNAME']);
    }

    /**
     * 获取用户真实IP
     */
    private function GetIP(){
        if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
            $ip = getenv("HTTP_CLIENT_IP");
        else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
            $ip = getenv("HTTP_X_FORWARDED_FOR");
        else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
            $ip = getenv("REMOTE_ADDR");
        else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
            $ip = $_SERVER['REMOTE_ADDR'];
        else
            $ip = "unknown";

        $ip = $ip != "unknown" ? explode(',',$ip) : '';
        return isset($ip[0]) ? $ip[0] : 'myunknown';
    }

    /**
     * 输出本地文件日志
     * @param $logs
     */
    private function _localFileLog($logs)
    {
        $fileRoute = new \CFileLogRoute();
        $fileRoute->init();
        $fileRoute->setMaxFileSize(10240);
        $fileRoute->setMaxLogFiles(20);
        $fileRoute->levels = $this->levels;
        $refClass = new \ReflectionClass($fileRoute);
        $method = $refClass->getMethod('processLogs');
        $method->setAccessible(true);
        $method->invoke($fileRoute, $logs);
    }
}