func GetCidrInfo(network string, logger logger.Logger) (map[string]string, error) {
network = strings.TrimSpace(network)
result := make(map[string]string)
list := strings.Split(network, "/")
if len(list) != 2 {
return result, errors.New("网段格式不正确")
}
isValidate, err := regexp.MatchString("^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$", list[0])
if err != nil {
return result, err
}
if !isValidate {
return result, errors.New("IP格式不正确")
}
logger.Debugf("get network info:%s", network)
minIp, maxIp := GetCidrIpRange(network)
logger.Debugf("get ip range:%s~%s", minIp, maxIp)
result["MinIP"] = minIp
result["MaxIP"] = maxIp
mask, err := strconv.Atoi(list[1])
if err != nil {
return result, err
}
logger.Debugf("get mask:%d", mask)
if mask <= 0 || mask >= 32 {
logger.Error("掩码位不正确!")
return result, errors.New("掩码位不正确!")
}
result["Mask"] = GetCidrIpMask(mask)
result["IPNum"] = fmt.Sprintf("%d", GetCidrHostNum(mask))
logger.Debugf("ip nums:%s", result["IPNum"])
return result, nil
}