Merge 315c1c9f57 into 488276f3a8

* DC-extension: Supporting to set the power restore mode in DCPowerControl component

* fixing lint issue

config.go

@@ -9,6 +9,8 @@ import (
 	"github.com/jetkvm/kvm/internal/logging"
 	"github.com/jetkvm/kvm/internal/network"
 	"github.com/jetkvm/kvm/internal/usbgadget"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 )
 
 type WakeOnLanDevice struct {
@@ -138,6 +140,21 @@ var (
 	configLock = &sync.Mutex{}
 )
 
+var (
+	configSuccess = promauto.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "jetkvm_config_last_reload_successful",
+			Help: "The last configuration load succeeded",
+		},
+	)
+	configSuccessTime = promauto.NewGauge(
+		prometheus.GaugeOpts{
+			Name: "jetkvm_config_last_reload_success_timestamp_seconds",
+			Help: "Timestamp of last successful config load",
+		},
+	)
+)
+
 func LoadConfig() {
 	configLock.Lock()
 	defer configLock.Unlock()
@@ -153,6 +170,8 @@ func LoadConfig() {
 	file, err := os.Open(configPath)
 	if err != nil {
 		logger.Debug().Msg("default config file doesn't exist, using default")
+		configSuccess.Set(1.0)
+		configSuccessTime.SetToCurrentTime()
 		return
 	}
 	defer file.Close()
@@ -161,6 +180,7 @@ func LoadConfig() {
 	loadedConfig := *defaultConfig
 	if err := json.NewDecoder(file).Decode(&loadedConfig); err != nil {
 		logger.Warn().Err(err).Msg("config file JSON parsing failed")
+		configSuccess.Set(0.0)
 		return
 	}
 
@@ -181,6 +201,9 @@ func LoadConfig() {
 
 	logging.GetRootLogger().UpdateLogLevel(config.DefaultLogLevel)
 
+	configSuccess.Set(1.0)
+	configSuccessTime.SetToCurrentTime()
+
 	logger.Info().Str("path", configPath).Msg("config loaded")
 }
 

internal/usbgadget/config.go

@@ -30,8 +30,8 @@ var defaultGadgetConfig = map[string]gadgetConfigItem{
 		attrs: gadgetAttributes{
 			"bcdUSB":    "0x0200", // USB 2.0
 			"idVendor":  "0x1d6b", // The Linux Foundation
-			"idProduct": "0104",   // Multifunction Composite Gadget
-			"bcdDevice": "0100",
+			"idProduct": "0x0104", // Multifunction Composite Gadget
+			"bcdDevice": "0x0100", // USB2
 		},
 		configAttrs: gadgetAttributes{
 			"MaxPower": "250", // in unit of 2mA

jsonrpc.go

@@ -681,10 +681,11 @@ func rpcResetConfig() error {
 }
 
 type DCPowerState struct {
-	IsOn    bool    `json:"isOn"`
-	Voltage float64 `json:"voltage"`
-	Current float64 `json:"current"`
-	Power   float64 `json:"power"`
+	IsOn         bool    `json:"isOn"`
+	Voltage      float64 `json:"voltage"`
+	Current      float64 `json:"current"`
+	Power        float64 `json:"power"`
+	RestoreState int     `json:"restoreState"`
 }
 
 func rpcGetDCPowerState() (DCPowerState, error) {
@@ -700,6 +701,15 @@ func rpcSetDCPowerState(enabled bool) error {
 	return nil
 }
 
+func rpcSetDCRestoreState(state int) error {
+	logger.Info().Int("state", state).Msg("Setting DC restore state")
+	err := setDCRestoreState(state)
+	if err != nil {
+		return fmt.Errorf("failed to set DC restore state: %w", err)
+	}
+	return nil
+}
+
 func rpcGetActiveExtension() (string, error) {
 	return config.ActiveExtension, nil
 }
@@ -1088,6 +1098,7 @@ var rpcHandlers = map[string]RPCHandler{
 	"getBacklightSettings":   {Func: rpcGetBacklightSettings},
 	"getDCPowerState":        {Func: rpcGetDCPowerState},
 	"setDCPowerState":        {Func: rpcSetDCPowerState, Params: []string{"enabled"}},
+	"setDCRestoreState":      {Func: rpcSetDCRestoreState, Params: []string{"state"}},
 	"getActiveExtension":     {Func: rpcGetActiveExtension},
 	"setActiveExtension":     {Func: rpcSetActiveExtension, Params: []string{"extensionId"}},
 	"getATXState":            {Func: rpcGetATXState},

serial.go

@@ -142,6 +142,7 @@ var dcState DCPowerState
 func runDCControl() {
 	scopedLogger := serialLogger.With().Str("service", "dc_control").Logger()
 	reader := bufio.NewReader(port)
+	hasRestoreFeature := false
 	for {
 		line, err := reader.ReadString('\n')
 		if err != nil {
@@ -151,7 +152,13 @@ func runDCControl() {
 
 		// Split the line by semicolon
 		parts := strings.Split(strings.TrimSpace(line), ";")
-		if len(parts) != 4 {
+		if len(parts) == 5 {
+			scopedLogger.Debug().Str("line", line).Msg("Detected DC extension with restore feature")
+			hasRestoreFeature = true
+		} else if len(parts) == 4 {
+			scopedLogger.Debug().Str("line", line).Msg("Detected DC extension without restore feature")
+			hasRestoreFeature = false
+		} else {
 			scopedLogger.Warn().Str("line", line).Msg("Invalid line")
 			continue
 		}
@@ -163,6 +170,17 @@ func runDCControl() {
 			continue
 		}
 		dcState.IsOn = powerState == 1
+		if hasRestoreFeature {
+			restoreState, err := strconv.Atoi(parts[4])
+			if err != nil {
+				scopedLogger.Warn().Err(err).Msg("Invalid restore state")
+				continue
+			}
+			dcState.RestoreState = restoreState
+		} else {
+			// -1 means not supported
+			dcState.RestoreState = -1
+		}
 		milliVolts, err := strconv.ParseFloat(parts[1], 64)
 		if err != nil {
 			scopedLogger.Warn().Err(err).Msg("Invalid voltage")
@@ -210,6 +228,25 @@ func setDCPowerState(on bool) error {
 	return nil
 }
 
+func setDCRestoreState(state int) error {
+	_, err := port.Write([]byte("\n"))
+	if err != nil {
+		return err
+	}
+	command := "RESTORE_MODE_OFF\n"
+	switch state {
+	case 1:
+		command = "RESTORE_MODE_ON\n"
+	case 2:
+		command = "RESTORE_MODE_LAST_STATE\n"
+	}
+	_, err = port.Write([]byte(command))
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 var defaultMode = &serial.Mode{
 	BaudRate: 115200,
 	DataBits: 8,

ui/src/components/ActionBar.tsx

@@ -262,23 +262,6 @@ export default function Actionbar({
               }}
             />
           </div>
-          {/* {useSettingsStore().actionBarCtrlAltDel && (
-            <div className="hidden lg:block">
-              <Button
-              size="XS"
-              theme="light"
-              text="Ctrl + Alt + Del"
-              LeadingIcon={FaLock}
-              onClick={() => {
-                sendKeyboardEvent(
-                [keys["Delete"]],
-                [modifiers["ControlLeft"], modifiers["AltLeft"]],
-                );
-                setTimeout(resetKeyboardState, 100);
-              }}
-              />
-            </div>
-            )} */}
           <div>
             <Button
               size="XS"

ui/src/components/extensions/DCPowerControl.tsx

@@ -8,12 +8,14 @@ import { useJsonRpc } from "@/hooks/useJsonRpc";
 import notifications from "@/notifications";
 import FieldLabel from "@components/FieldLabel";
 import LoadingSpinner from "@components/LoadingSpinner";
+import {SelectMenuBasic} from "@components/SelectMenuBasic";
 
 interface DCPowerState {
   isOn: boolean;
   voltage: number;
   current: number;
   power: number;
+  restoreState: number;
 }
 
 export function DCPowerControl() {
@@ -43,6 +45,20 @@ export function DCPowerControl() {
       getDCPowerState(); // Refresh state after change
     });
   };
+  const handleRestoreChange = (state: number) => {
+    // const state = powerState?.restoreState === 0 ? 1 : powerState?.restoreState === 1 ? 2 : 0;
+    send("setDCRestoreState", { state }, resp => {
+      if ("error" in resp) {
+        notifications.error(
+          `Failed to set DC power state: ${resp.error.data || "Unknown error"}`,
+        );
+        return;
+      }
+      getDCPowerState(); // Refresh state after change
+    });
+  };
+
+
 
   useEffect(() => {
     getDCPowerState();
@@ -63,7 +79,7 @@ export function DCPowerControl() {
           <LoadingSpinner className="h-6 w-6 text-blue-500 dark:text-blue-400" />
         </Card>
       ) : (
-        <Card className="h-[160px] animate-fadeIn opacity-0">
+        <Card className="animate-fadeIn opacity-0">
           <div className="space-y-4 p-3">
             {/* Power Controls */}
             <div className="flex items-center space-x-2">
@@ -84,6 +100,21 @@ export function DCPowerControl() {
                 onClick={() => handlePowerToggle(false)}
               />
             </div>
+            {powerState.restoreState > -1 ? (
+              <div className="flex items-center">
+                <SelectMenuBasic
+                    size="SM"
+                    label="Restore Power Loss"
+                    value={powerState.restoreState}
+                    onChange={e => handleRestoreChange(parseInt(e.target.value))}
+                    options={[
+                      { value: '0', label: "Power OFF" },
+                      { value: '1', label: "Power ON" },
+                      { value: '2', label: "Last State" },
+                    ]}
+                />
+              </div>
+            ) : null}
             <hr className="border-slate-700/30 dark:border-slate-600/30" />
 
             {/* Status Display */}

ui/src/hooks/stores.ts

@@ -308,9 +308,6 @@ interface SettingsState {
   keyboardLayout: string;
   setKeyboardLayout: (layout: string) => void;
 
-  actionBarCtrlAltDel: boolean;
-  setActionBarCtrlAltDel: (enabled: boolean) => void;
-
   keyboardLedSync: KeyboardLedSync;
   setKeyboardLedSync: (sync: KeyboardLedSync) => void;
 
@@ -359,9 +356,6 @@ export const useSettingsStore = create(
       keyboardLayout: "en-US",
       setKeyboardLayout: layout => set({ keyboardLayout: layout }),
 
-      actionBarCtrlAltDel: false,
-      setActionBarCtrlAltDel: enabled => set({ actionBarCtrlAltDel: enabled }),
-
       keyboardLedSync: "auto",
       setKeyboardLedSync: sync => set({ keyboardLedSync: sync }),
 

ui/src/main.tsx

@@ -42,6 +42,7 @@ import SettingsHardwareRoute from "./routes/devices.$id.settings.hardware";
 import SettingsVideoRoute from "./routes/devices.$id.settings.video";
 import SettingsAppearanceRoute from "./routes/devices.$id.settings.appearance";
 import * as SettingsGeneralIndexRoute from "./routes/devices.$id.settings.general._index";
+import SettingsGeneralRebootRoute from "./routes/devices.$id.settings.general.reboot";
 import SettingsGeneralUpdateRoute from "./routes/devices.$id.settings.general.update";
 import SettingsNetworkRoute from "./routes/devices.$id.settings.network";
 import SecurityAccessLocalAuthRoute from "./routes/devices.$id.settings.access.local-auth";
@@ -140,6 +141,10 @@ if (isOnDevice) {
                   index: true,
                   element: <SettingsGeneralIndexRoute.default />,
                 },
+                {
+                  path: "reboot",
+                  element: <SettingsGeneralRebootRoute />,
+                },
                 {
                   path: "update",
                   element: <SettingsGeneralUpdateRoute />,

ui/src/routes/devices.$id.settings.ctrlaltdel.tsx

@@ -1,28 +0,0 @@
-
-import { Checkbox } from "@/components/Checkbox";
-import { SettingsPageHeader } from "@/components/SettingsPageheader";
-import { useSettingsStore } from "@/hooks/stores";
-
-import { SettingsItem } from "./devices.$id.settings";
-
-export default function SettingsCtrlAltDelRoute() {
-  const enableCtrlAltDel = useSettingsStore(state => state.actionBarCtrlAltDel);
-  const setEnableCtrlAltDel = useSettingsStore(state => state.setActionBarCtrlAltDel);
-
-  return (
-    <div className="space-y-4">
-      <SettingsPageHeader
-        title="Action Bar"
-        description="Customize the action bar of your JetKVM interface"
-      />
-      <div className="space-y-4">
-        <SettingsItem title="Enable Ctrl-Alt-Del" description="Enable the Ctrl-Alt-Del key on the virtual keyboard">
-          <Checkbox
-            checked={enableCtrlAltDel}
-            onChange={e => setEnableCtrlAltDel(e.target.checked)}
-          />
-        </SettingsItem>
-      </div>
-    </div>
-  );
-}

ui/src/routes/devices.$id.settings.general._index.tsx

@@ -92,6 +92,21 @@ export default function SettingsGeneralRoute() {
               />
             </SettingsItem>
           </div>
+
+          <div className="mt-2 flex items-center justify-between gap-x-2">
+            <SettingsItem
+              title="Reboot Device"
+              description="Power cycle the JetKVM"
+            />
+            <div>
+              <Button
+                size="SM"
+                theme="light"
+                text="Reboot Device"
+                onClick={() => navigateTo("./reboot")}
+              />
+            </div>
+          </div>
         </div>
       </div>
     </div>

ui/src/routes/devices.$id.settings.general.reboot.tsx

@@ -0,0 +1,66 @@
+import { useNavigate } from "react-router-dom";
+import { useCallback } from "react";
+
+import { useJsonRpc } from "@/hooks/useJsonRpc";
+import { Button } from "@components/Button";
+
+export default function SettingsGeneralRebootRoute() {
+  const navigate = useNavigate();
+  const [send] = useJsonRpc();
+
+  const onConfirmUpdate = useCallback(() => {
+    // This is where we send the RPC to the golang binary
+    send("reboot", {force: true});
+  }, [send]);
+
+  {
+    /* TODO: Migrate to using URLs instead of the global state. To simplify the refactoring, we'll keep the global state for now. */
+  }
+  return <Dialog onClose={() => navigate("..")} onConfirmUpdate={onConfirmUpdate} />;
+}
+
+export function Dialog({
+  onClose,
+  onConfirmUpdate,
+}: {
+  onClose: () => void;
+  onConfirmUpdate: () => void;
+}) {
+
+  return (
+    <div className="pointer-events-auto relative mx-auto text-left">
+      <div>
+          <ConfirmationBox
+            onYes={onConfirmUpdate}
+            onNo={onClose}
+          />
+      </div>
+    </div>
+  );
+}
+
+function ConfirmationBox({
+  onYes,
+  onNo,
+}: {
+  onYes: () => void;
+  onNo: () => void;
+}) {
+  return (
+    <div className="flex flex-col items-start justify-start space-y-4 text-left">
+      <div className="text-left">
+        <p className="text-base font-semibold text-black dark:text-white">
+          Reboot JetKVM
+        </p>
+        <p className="text-sm text-slate-600 dark:text-slate-300">
+          Do you want to proceed with rebooting the system?
+        </p>
+
+        <div className="mt-4 flex gap-x-2">
+          <Button size="SM" theme="light" text="Yes" onClick={onYes} />
+          <Button size="SM" theme="blank" text="No" onClick={onNo} />
+        </div>
+      </div>
+    </div>
+  );
+}

ui/src/routes/devices.$id.settings.hardware.tsx

@@ -116,15 +116,6 @@ export default function SettingsHardwareRoute() {
             }}
           />
         </SettingsItem>
-        {/* <SettingsItem
-          title="Enable Ctrl+Alt+Del Action Bar"
-          description="Enable or disable the action bar action for sending a Ctrl+Alt+Del to the host"
-        >
-          <Checkbox
-            checked={actionBarConfig.ctrlAltDel}
-            onChange={onActionBarItemChange("ctrlAltDel")}
-          />
-        </SettingsItem> */}
         {settings.backlightSettings.max_brightness != 0 && (
           <>
             <SettingsItem

wol.go

@@ -4,6 +4,24 @@ import (
 	"bytes"
 	"encoding/binary"
 	"net"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+)
+
+var (
+	wolPackets = promauto.NewCounter(
+		prometheus.CounterOpts{
+			Name: "jetkvm_wol_sent_packets_total",
+			Help: "Total number of Wake-on-LAN magic packets sent.",
+		},
+	)
+	wolErrors = promauto.NewCounter(
+		prometheus.CounterOpts{
+			Name: "jetkvm_wol_sent_packet_errors_total",
+			Help: "Total number of Wake-on-LAN magic packets errors.",
+		},
+	)
 )
 
 // SendWOLMagicPacket sends a Wake-on-LAN magic packet to the specified MAC address
@@ -11,6 +29,7 @@ func rpcSendWOLMagicPacket(macAddress string) error {
 	// Parse the MAC address
 	mac, err := net.ParseMAC(macAddress)
 	if err != nil {
+		wolErrors.Inc()
 		return ErrorfL(wolLogger, "invalid MAC address", err)
 	}
 
@@ -20,6 +39,7 @@ func rpcSendWOLMagicPacket(macAddress string) error {
 	// Set up UDP connection
 	conn, err := net.Dial("udp", "255.255.255.255:9")
 	if err != nil {
+		wolErrors.Inc()
 		return ErrorfL(wolLogger, "failed to establish UDP connection", err)
 	}
 	defer conn.Close()
@@ -27,10 +47,12 @@ func rpcSendWOLMagicPacket(macAddress string) error {
 	// Send the packet
 	_, err = conn.Write(packet)
 	if err != nil {
+		wolErrors.Inc()
 		return ErrorfL(wolLogger, "failed to send WOL packet", err)
 	}
 
 	wolLogger.Info().Str("mac", macAddress).Msg("WOL packet sent")
+	wolPackets.Inc()
 
 	return nil
 }