def ip_and_time():

    """

    get ip to ping from ip.txt

    then return two list , each ip that ping successfully and the delay time of them

    :return

    """

    time_list, ip_list = [], []

    ip_txt = open('ip.txt', 'w')

    ip_success, ip_fail = 0, 0

    log_write = open('log.txt', 'a')

    for ip in get_ip():

        # 每个ip ping2次，等待时间为1s

        cmd_return = os.popen('ping -n 2 -w 1 %s' % ip).read()

        if 'ms' in cmd_return:

            ip_list.append(ip.strip())

            delay = cmd_return[cmd_return.rfind('='):]

            delay_time = int(delay.replace('ms', '').replace('=', ''))

            if delay_time <= 50:

                delay_time = 150

                time_list.append(delay_time)

                ip_success += 1

            elif 50 < int(delay_time) <= 100:

                delay_time = 200

                time_list.append(delay_time)

                ip_success += 1

            elif 100 < int(delay_time) <= 150:

                delay_time = 250

                time_list.append(delay_time)

                ip_success += 1

            elif 150 < int(delay_time) <= 200:

                delay_time = 300

                time_list.append(delay_time)

                ip_success += 1

            elif 200 < int(delay_time) <= 250:

                delay_time = 350

                time_list.append(delay_time)

                ip_success += 1

            elif 250 < int(delay_time) <= 300:

                delay_time = 400

                time_list.append(delay_time)

                ip_success += 1

            elif 300 < int(delay_time) <= 350:

                delay_time = 450

                time_list.append(delay_time)

                ip_success += 1

            elif 350 < int(delay_time) <= 400:

                delay_time = 500

                time_list.append(delay_time)

                ip_success += 1

            else:

                delay_time = 550

                time_list.append(delay_time)

                ip_success += 1

        elif len(cmd_return) <= 160:

            # 当ping2次时窗口输出字符串长度小于160记为超时，否则记为传输过期

            ip_list.append(ip.strip())

            time_list.append(400)

            ip_fail += 1

        else:

            ip_list.append(ip.strip())

            time_list.append(400)

            ip_fail += 1

    log_write.close()

    ip_txt.close()

    return ip_list, time_list