history-museum/Clash.Meta
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Refactor: metadata use netip.Addr

Browse Source
This commit is contained in:
yaling888
2022-04-20 01:52:51 +08:00
committed by adlyq
parent 6c4791480e
commit 7ca1a03d73
45 changed files with 374 additions and 346 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
component/iface/iface.go
View File

@ -3,6 +3,7 @@ package iface
import (
"errors"
"net"
"net/netip"
"time"
"github.com/Dreamacro/clash/common/singledo"
@ -11,7 +12,7 @@ import (
type Interface struct {
Index int
Name string
Addrs []*net.IPNet
Addrs []*netip.Prefix
HardwareAddr net.HardwareAddr
}
@ -37,14 +38,18 @@ func ResolveInterface(name string) (*Interface, error) {
continue
}
ipNets := make([]*net.IPNet, 0, len(addrs))
ipNets := make([]*netip.Prefix, 0, len(addrs))
for _, addr := range addrs {
ipNet := addr.(*net.IPNet)
if v4 := ipNet.IP.To4(); v4 != nil {
ipNet.IP = v4
ip, _ := netip.AddrFromSlice(ipNet.IP)
ones, bits := ipNet.Mask.Size()
if bits == 32 {
ip = ip.Unmap()
}
ipNets = append(ipNets, ipNet)
pf := netip.PrefixFrom(ip, ones)
ipNets = append(ipNets, &pf)
}
r[iface.Name] = &Interface{
@ -74,35 +79,35 @@ func FlushCache() {
interfaces.Reset()
}
func (iface *Interface) PickIPv4Addr(destination net.IP) (*net.IPNet, error) {
return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
return addr.IP.To4() != nil
func (iface *Interface) PickIPv4Addr(destination netip.Addr) (*netip.Prefix, error) {
return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
return addr.Addr().Is4()
})
}
func (iface *Interface) PickIPv6Addr(destination net.IP) (*net.IPNet, error) {
return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
return addr.IP.To4() == nil
func (iface *Interface) PickIPv6Addr(destination netip.Addr) (*netip.Prefix, error) {
return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
return addr.Addr().Is6()
})
}
func (iface *Interface) pickIPAddr(destination net.IP, accept func(addr *net.IPNet) bool) (*net.IPNet, error) {
var fallback *net.IPNet
func (iface *Interface) pickIPAddr(destination netip.Addr, accept func(addr *netip.Prefix) bool) (*netip.Prefix, error) {
var fallback *netip.Prefix
for _, addr := range iface.Addrs {
if !accept(addr) {
continue
}
if fallback == nil && !addr.IP.IsLinkLocalUnicast() {
if fallback == nil && !addr.Addr().IsLinkLocalUnicast() {
fallback = addr
if destination == nil {
if !destination.IsValid() {
break
}
}
if destination != nil && addr.Contains(destination) {
if destination.IsValid() && addr.Contains(destination) {
return addr, nil
}
}