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Remove interface network monitor checks (#2223)

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This commit is contained in:
Viktor Liu 2024-07-02 12:41:15 +02:00 committed by GitHub
parent eab6183a8e
commit bf518c5fba
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GPG Key ID: B5690EEEBB952194
2 changed files with 0 additions and 60 deletions
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36
client/internal/networkmonitor/monitor_bsd.go
View File

@ -45,24 +45,6 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
msg := (*unix.RtMsghdr)(unsafe.Pointer(&buf[0]))
switch msg.Type {
// handle interface state changes
case unix.RTM_IFINFO:
ifinfo, err := parseInterfaceMessage(buf[:n])
if err != nil {
log.Errorf("Network monitor: error parsing interface message: %v", err)
continue
}
if msg.Flags&unix.IFF_UP != 0 {
continue
}
if (nexthopv4.Intf == nil || ifinfo.Index != nexthopv4.Intf.Index) && (nexthopv6.Intf == nil || ifinfo.Index != nexthopv6.Intf.Index) {
continue
}
log.Infof("Network monitor: monitored interface (%s) is down.", ifinfo.Name)
go callback()
// handle route changes
case unix.RTM_ADD, syscall.RTM_DELETE:
route, err := parseRouteMessage(buf[:n])
@ -94,24 +76,6 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
}
}
func parseInterfaceMessage(buf []byte) (*route.InterfaceMessage, error) {
msgs, err := route.ParseRIB(route.RIBTypeInterface, buf)
if err != nil {
return nil, fmt.Errorf("parse RIB: %v", err)
}
if len(msgs) != 1 {
return nil, fmt.Errorf("unexpected RIB message msgs: %v", msgs)
}
msg, ok := msgs[0].(*route.InterfaceMessage)
if !ok {
return nil, fmt.Errorf("unexpected RIB message type: %T", msgs[0])
}
return msg, nil
}
func parseRouteMessage(buf []byte) (*systemops.Route, error) {
msgs, err := route.ParseRIB(route.RIBTypeRoute, buf)
if err != nil {

24
client/internal/networkmonitor/monitor_linux.go
View File

@ -19,14 +19,9 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
return errors.New("no interfaces available")
}
linkChan := make(chan netlink.LinkUpdate)
done := make(chan struct{})
defer close(done)
if err := netlink.LinkSubscribe(linkChan, done); err != nil {
return fmt.Errorf("subscribe to link updates: %v", err)
}
routeChan := make(chan netlink.RouteUpdate)
if err := netlink.RouteSubscribe(routeChan, done); err != nil {
return fmt.Errorf("subscribe to route updates: %v", err)
@ -38,25 +33,6 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
case <-ctx.Done():
return ErrStopped
// handle interface state changes
case update := <-linkChan:
if (nexthopv4.Intf == nil || update.Index != int32(nexthopv4.Intf.Index)) && (nexthopv6.Intf == nil || update.Index != int32(nexthopv6.Intf.Index)) {
continue
}
switch update.Header.Type {
case syscall.RTM_DELLINK:
log.Infof("Network monitor: monitored interface (%s) is gone", update.Link.Attrs().Name)
go callback()
return nil
case syscall.RTM_NEWLINK:
if (update.IfInfomsg.Flags&syscall.IFF_RUNNING) == 0 && update.Link.Attrs().OperState == netlink.OperDown {
log.Infof("Network monitor: monitored interface (%s) is down.", update.Link.Attrs().Name)
go callback()
return nil
}
}
// handle route changes
case route := <-routeChan:
// default route and main table