<?php

namespace addons\WangDianTong\common\traits;

trait RequestRetryTrait
{

    /**
     * @param \Closure $closure
     * @param int $retry
     * @return mixed|true|null
     */
    protected function retry(\Closure $closure, int $retry = 3)
    {
        $res = null;
        if ($retry < 1) $retry = 1; //  最小1
        while ($retry) {
            $res = $closure->call($this);
            if ($res === true) break;
            --$retry;
            //  是否需要sleep？
        }
        return $res;
    }
}