[🚀] v0.12.21

This commit is contained in:
2025-02-27 15:00:51 +08:00
parent 3e5f407402
commit 388efae2ca
7 changed files with 141 additions and 135 deletions

View File

@ -9,21 +9,21 @@ import (
)
// SuperNetting 合并网段
func SuperNetting(ns []string) (*cidr, error) {
func SuperNetting(ns []string) (*Cidr, error) {
num := len(ns)
if num < 1 || (num&(num-1)) != 0 {
return nil, fmt.Errorf("子网数量必须是2的次方")
}
mask := ""
var cidrs []*cidr
var ciders []*Cidr
for _, n := range ns {
// 检查子网CIDR有效性
c, err := ParseCIDR(n)
if err != nil {
return nil, fmt.Errorf("网段%v格式错误", n)
}
cidrs = append(cidrs, c)
ciders = append(ciders, c)
// TODO 暂只考虑相同子网掩码的网段合并
if len(mask) == 0 {
@ -32,12 +32,12 @@ func SuperNetting(ns []string) (*cidr, error) {
return nil, fmt.Errorf("子网掩码不一致")
}
}
AscSortCIDRs(cidrs)
AscSortCIDRs(ciders)
// 检查网段是否连续
var network net.IP
for _, c := range cidrs {
if len(network) > 0 {
for _, c := range ciders {
if network != nil && len(network) > 0 {
if !network.Equal(c.ipNet.IP) {
return nil, fmt.Errorf("必须是连续的网段")
}
@ -47,7 +47,7 @@ func SuperNetting(ns []string) (*cidr, error) {
}
// 子网掩码左移,得到共同的父网段
c := cidrs[0]
c := ciders[0]
ones, bits := c.MaskSize()
ones = ones - int(math.Log2(float64(num)))
c.ipNet.Mask = net.CIDRMask(ones, bits)
@ -89,7 +89,7 @@ func Compare(a, b net.IP) int {
}
// AscSortCIDRs 升序
func AscSortCIDRs(cs []*cidr) {
func AscSortCIDRs(cs []*Cidr) {
sort.Slice(cs, func(i, j int) bool {
if n := bytes.Compare(cs[i].ipNet.IP, cs[j].ipNet.IP); n != 0 {
return n < 0
@ -104,7 +104,7 @@ func AscSortCIDRs(cs []*cidr) {
}
// DescSortCIDRs 降序
func DescSortCIDRs(cs []*cidr) {
func DescSortCIDRs(cs []*Cidr) {
sort.Slice(cs, func(i, j int) bool {
if n := bytes.Compare(cs[i].ipNet.IP, cs[j].ipNet.IP); n != 0 {
return n >= 0