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Fix darwin monitor

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世界 2024-03-14 13:37:44 +08:00
parent 6ef2a6cdaa
commit 689e60891c
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GPG key ID: CD109927C34A63C4
2 changed files with 62 additions and 47 deletions
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99
monitor_darwin.go
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@ -42,7 +42,7 @@ func (m *networkUpdateMonitor) loopUpdate() {
select {
case <-m.done:
return
case <-time.After(time.Second):
default:
}
err := m.loopUpdate0()
if err != nil {
@ -67,7 +67,16 @@ func (m *networkUpdateMonitor) loopUpdate1(routeSocketFile *os.File) {
defer routeSocketFile.Close()
buffer := buf.NewPacket()
defer buffer.Release()
done := make(chan struct{})
go func() {
select {
case <-m.done:
routeSocketFile.Close()
case <-done:
}
}()
n, err := routeSocketFile.Read(buffer.FreeBytes())
close(done)
if err != nil {
return
}
@ -92,57 +101,59 @@ func (m *networkUpdateMonitor) Close() error {
}
func (m *defaultInterfaceMonitor) checkUpdate() error {
ribMessage, err := route.FetchRIB(unix.AF_UNSPEC, route.RIBTypeRoute, 0)
if err != nil {
return err
}
routeMessages, err := route.ParseRIB(route.RIBTypeRoute, ribMessage)
if err != nil {
return err
}
var defaultInterface *net.Interface
for _, rawRouteMessage := range routeMessages {
routeMessage := rawRouteMessage.(*route.RouteMessage)
if len(routeMessage.Addrs) <= unix.RTAX_NETMASK {
continue
}
destination, isIPv4Destination := routeMessage.Addrs[unix.RTAX_DST].(*route.Inet4Addr)
if !isIPv4Destination {
continue
}
if destination.IP != netip.IPv4Unspecified().As4() {
continue
}
mask, isIPv4Mask := routeMessage.Addrs[unix.RTAX_NETMASK].(*route.Inet4Addr)
if !isIPv4Mask {
continue
}
ones, _ := net.IPMask(mask.IP[:]).Size()
if ones != 0 {
continue
}
routeInterface, err := net.InterfaceByIndex(routeMessage.Index)
var (
defaultInterface *net.Interface
err error
)
if m.options.UnderNetworkExtension {
defaultInterface, err = getDefaultInterfaceBySocket()
if err != nil {
return err
}
if routeMessage.Flags&unix.RTF_UP == 0 {
continue
} else {
ribMessage, err := route.FetchRIB(unix.AF_UNSPEC, route.RIBTypeRoute, 0)
if err != nil {
return err
}
if routeMessage.Flags&unix.RTF_GATEWAY == 0 {
continue
routeMessages, err := route.ParseRIB(route.RIBTypeRoute, ribMessage)
if err != nil {
return err
}
if routeMessage.Flags&unix.RTF_IFSCOPE != 0 {
// continue
}
defaultInterface = routeInterface
break
}
if defaultInterface == nil {
if m.options.UnderNetworkExtension {
defaultInterface, err = getDefaultInterfaceBySocket()
for _, rawRouteMessage := range routeMessages {
routeMessage := rawRouteMessage.(*route.RouteMessage)
if len(routeMessage.Addrs) <= unix.RTAX_NETMASK {
continue
}
destination, isIPv4Destination := routeMessage.Addrs[unix.RTAX_DST].(*route.Inet4Addr)
if !isIPv4Destination {
continue
}
if destination.IP != netip.IPv4Unspecified().As4() {
continue
}
mask, isIPv4Mask := routeMessage.Addrs[unix.RTAX_NETMASK].(*route.Inet4Addr)
if !isIPv4Mask {
continue
}
ones, _ := net.IPMask(mask.IP[:]).Size()
if ones != 0 {
continue
}
routeInterface, err := net.InterfaceByIndex(routeMessage.Index)
if err != nil {
return err
}
if routeMessage.Flags&unix.RTF_UP == 0 {
continue
}
if routeMessage.Flags&unix.RTF_GATEWAY == 0 {
continue
}
if routeMessage.Flags&unix.RTF_IFSCOPE != 0 {
// continue
}
defaultInterface = routeInterface
break
}
}
if defaultInterface == nil {