ping ip

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