fix online state detection

network.go

@@ -47,31 +47,35 @@ func restartMdns() {
 	}, true)
 }
 
-func networkStateChanged(iface string, state *types.InterfaceState) {
+func triggerTimeSyncOnNetworkStateChange() {
+	if timeSync == nil {
+		return
+	}
+
+	// set the NTP servers from the network manager
+	if networkManager != nil {
+		timeSync.SetDhcpNtpAddresses(networkManager.NTPServerStrings())
+	}
+
+	// sync time
+	if err := timeSync.Sync(); err != nil {
+		networkLogger.Error().Err(err).Msg("failed to sync time after network state change")
+	}
+}
+
+func networkStateChanged(_ string, state types.InterfaceState) {
 	// do not block the main thread
 	go waitCtrlAndRequestDisplayUpdate(true, "network_state_changed")
 
-	if timeSync != nil {
-		if networkManager != nil {
-			timeSync.SetDhcpNtpAddresses(networkManager.NTPServerStrings())
-		}
-
-		if err := timeSync.Sync(); err != nil {
-			networkLogger.Error().Err(err).Msg("failed to sync time after network state change")
-		}
+	if state.Online {
+		networkLogger.Info().Msg("network state changed to online, triggering time sync")
+		triggerTimeSyncOnNetworkStateChange()
 	}
 
 	// always restart mDNS when the network state changes
 	if mDNS != nil {
 		restartMdns()
 	}
-
-	// if the network is now online, trigger an NTP sync if still needed
-	if state.Up && timeSync != nil && (isTimeSyncNeeded() || !timeSync.IsSyncSuccess()) {
-		if err := timeSync.Sync(); err != nil {
-			logger.Warn().Str("error", err.Error()).Msg("unable to sync time on network state change")
-		}
-	}
 }
 
 func validateNetworkConfig() {

pkg/nmlite/interface.go

@@ -36,7 +36,7 @@ type InterfaceManager struct {
 	hostname     *HostnameManager
 
 	// Callbacks
-	onStateChange     func(state *types.InterfaceState)
+	onStateChange     func(state types.InterfaceState)
 	onConfigChange    func(config *types.NetworkConfig)
 	onDHCPLeaseChange func(lease *types.DHCPLease)
 
@@ -321,7 +321,7 @@ func (im *InterfaceManager) RenewDHCPLease() error {
 }
 
 // SetOnStateChange sets the callback for state changes
-func (im *InterfaceManager) SetOnStateChange(callback func(state *types.InterfaceState)) {
+func (im *InterfaceManager) SetOnStateChange(callback func(state types.InterfaceState)) {
 	im.onStateChange = callback
 }
 
@@ -693,13 +693,17 @@ func (im *InterfaceManager) updateInterfaceState() error {
 	attrs := nl.Attrs()
 	isUp := attrs.OperState == netlink.OperUp
 
+	// check if the interface has unicast addresses
 	hasAddrs := false
 	addrs, err := nl.AddrList(link.AfUnspec)
 	if err != nil {
 		return fmt.Errorf("failed to get addresses: %w", err)
 	}
-	if len(addrs) > 0 {
-		hasAddrs = true
+	for _, addr := range addrs {
+		if addr.IP.IsGlobalUnicast() {
+			hasAddrs = true
+			break
+		}
 	}
 
 	// Check if state changed
@@ -731,9 +735,8 @@ func (im *InterfaceManager) updateInterfaceState() error {
 
 	// Notify callback if state changed
 	if stateChanged && im.onStateChange != nil {
-		state := *im.state
-		im.logger.Debug().Interface("state", state).Msg("notifying state change")
-		im.onStateChange(&state)
+		im.logger.Debug().Interface("state", im.state).Msg("notifying state change")
+		im.onStateChange(*im.state)
 	}
 
 	return nil

pkg/nmlite/manager.go

@@ -24,7 +24,7 @@ type NetworkManager struct {
 	cancel     context.CancelFunc
 
 	// Callback functions for state changes
-	onInterfaceStateChange func(iface string, state *types.InterfaceState)
+	onInterfaceStateChange func(iface string, state types.InterfaceState)
 	onConfigChange         func(iface string, config *types.NetworkConfig)
 	onDHCPLeaseChange      func(iface string, lease *types.DHCPLease)
 }
@@ -63,7 +63,7 @@ func (nm *NetworkManager) AddInterface(iface string, config *types.NetworkConfig
 	}
 
 	// Set up callbacks
-	im.SetOnStateChange(func(state *types.InterfaceState) {
+	im.SetOnStateChange(func(state types.InterfaceState) {
 		if nm.onInterfaceStateChange != nil {
 			nm.onInterfaceStateChange(iface, state)
 		}
@@ -179,7 +179,7 @@ func (nm *NetworkManager) RenewDHCPLease(iface string) error {
 }
 
 // SetOnInterfaceStateChange sets the callback for interface state changes
-func (nm *NetworkManager) SetOnInterfaceStateChange(callback func(iface string, state *types.InterfaceState)) {
+func (nm *NetworkManager) SetOnInterfaceStateChange(callback func(iface string, state types.InterfaceState)) {
 	nm.onInterfaceStateChange = callback
 }