Run paste/macros in background on their own queue.

Also returns a token for cancellation.
Fixed error in length check for macro key state.
Removed redundant clear operation.

cloud.go

@@ -477,7 +477,7 @@ func handleSessionRequest(
 	cloudLogger.Trace().Interface("session", session).Msg("new session accepted")
 
 	// Cancel any ongoing keyboard macro when session changes
-	cancelKeyboardMacro()
+	cancelAllRunningKeyboardMacros()
 
 	currentSession = session
 	_ = wsjson.Write(context.Background(), c, gin.H{"type": "answer", "data": sd})

hidrpc.go

@@ -26,20 +26,45 @@ func handleHidRPCMessage(message hidrpc.Message, session *Session) {
 			return
 		}
 		session.hidRPCAvailable = true
+
 	case hidrpc.TypeKeypressReport, hidrpc.TypeKeyboardReport:
 		rpcErr = handleHidRPCKeyboardInput(message)
+
 	case hidrpc.TypeKeyboardMacroReport:
 		keyboardMacroReport, err := message.KeyboardMacroReport()
 		if err != nil {
 			logger.Warn().Err(err).Msg("failed to get keyboard macro report")
 			return
 		}
-		rpcErr = rpcExecuteKeyboardMacro(keyboardMacroReport.Steps)
+		token := rpcExecuteKeyboardMacro(keyboardMacroReport.IsPaste, keyboardMacroReport.Steps)
+		logger.Debug().Str("token", token.String()).Msg("started keyboard macro")
+		message, err := hidrpc.NewKeyboardMacroTokenMessage(token).Marshal()
+
+		if err != nil {
+			logger.Warn().Err(err).Msg("failed to marshal running macro token message")
+			return
+		}
+		if err := session.HidChannel.Send(message); err != nil {
+			logger.Warn().Err(err).Msg("failed to send running macro token message")
+			return
+		}
+
 	case hidrpc.TypeCancelKeyboardMacroReport:
 		rpcCancelKeyboardMacro()
 		return
+
+	case hidrpc.TypeCancelKeyboardMacroByTokenReport:
+		token, err := message.KeyboardMacroToken()
+		if err != nil {
+			logger.Warn().Err(err).Msg("failed to get keyboard macro token")
+			return
+		}
+		rpcCancelKeyboardMacroByToken(token)
+		return
+
 	case hidrpc.TypeKeypressKeepAliveReport:
 		rpcErr = handleHidRPCKeypressKeepAlive(session)
+
 	case hidrpc.TypePointerReport:
 		pointerReport, err := message.PointerReport()
 		if err != nil {
@@ -47,6 +72,7 @@ func handleHidRPCMessage(message hidrpc.Message, session *Session) {
 			return
 		}
 		rpcErr = rpcAbsMouseReport(pointerReport.X, pointerReport.Y, pointerReport.Button)
+
 	case hidrpc.TypeMouseReport:
 		mouseReport, err := message.MouseReport()
 		if err != nil {
@@ -54,6 +80,7 @@ func handleHidRPCMessage(message hidrpc.Message, session *Session) {
 			return
 		}
 		rpcErr = rpcRelMouseReport(mouseReport.DX, mouseReport.DY, mouseReport.Button)
+
 	default:
 		logger.Warn().Uint8("type", uint8(message.Type())).Msg("unknown HID RPC message type")
 	}
@@ -98,7 +125,7 @@ func onHidMessage(msg hidQueueMessage, session *Session) {
 		r <- nil
 	}()
 	select {
-	case <-time.After(30 * time.Second):
+	case <-time.After(1 * time.Second):
 		scopedLogger.Warn().Msg("HID RPC message timed out")
 	case <-r:
 		scopedLogger.Debug().Dur("duration", time.Since(t)).Msg("HID RPC message handled")

internal/hidrpc/hidrpc.go

@@ -3,6 +3,7 @@ package hidrpc
 import (
 	"fmt"
 
+	"github.com/google/uuid"
 	"github.com/jetkvm/kvm/internal/usbgadget"
 )
 
@@ -10,38 +11,46 @@ import (
 type MessageType byte
 
 const (
-	TypeHandshake                 MessageType = 0x01
+	TypeHandshake                        MessageType = 0x01
-	TypeKeyboardReport            MessageType = 0x02
+	TypeKeyboardReport                   MessageType = 0x02
-	TypePointerReport             MessageType = 0x03
+	TypePointerReport                    MessageType = 0x03
-	TypeWheelReport               MessageType = 0x04
+	TypeWheelReport                      MessageType = 0x04
-	TypeKeypressReport            MessageType = 0x05
+	TypeKeypressReport                   MessageType = 0x05
-	TypeKeypressKeepAliveReport   MessageType = 0x09
+	TypeKeypressKeepAliveReport          MessageType = 0x09
-	TypeMouseReport               MessageType = 0x06
+	TypeMouseReport                      MessageType = 0x06
-	TypeKeyboardMacroReport       MessageType = 0x07
+	TypeKeyboardMacroReport              MessageType = 0x07
-	TypeCancelKeyboardMacroReport MessageType = 0x08
+	TypeCancelKeyboardMacroReport        MessageType = 0x08
-	TypeKeyboardLedState          MessageType = 0x32
+	TypeKeyboardLedState                 MessageType = 0x32
-	TypeKeydownState              MessageType = 0x33
+	TypeKeydownState                     MessageType = 0x33
-	TypeKeyboardMacroState        MessageType = 0x34
+	TypeKeyboardMacroState               MessageType = 0x34
+	TypeCancelKeyboardMacroByTokenReport MessageType = 0x35
 )
 
+type QueueIndex int
+
 const (
-	Version byte = 0x01 // Version of the HID RPC protocol
+	Version        byte = 0x01 // Version of the HID RPC protocol
+	HandshakeQueue int  = 0    // Queue index for handshake messages
+	KeyboardQueue  int  = 1    // Queue index for keyboard and macro messages
+	MouseQueue     int  = 2    // Queue index for mouse messages
+	MacroQueue     int  = 3    // Queue index for macro cancel messages
+	OtherQueue     int  = 4    // Queue index for other messages
 )
 
 // GetQueueIndex returns the index of the queue to which the message should be enqueued.
 func GetQueueIndex(messageType MessageType) int {
 	switch messageType {
 	case TypeHandshake:
-		return 0
+		return HandshakeQueue
-	case TypeKeyboardReport, TypeKeypressReport, TypeKeyboardMacroReport, TypeKeyboardLedState, TypeKeydownState, TypeKeyboardMacroState:
+	case TypeKeyboardReport, TypeKeypressReport, TypeKeyboardLedState, TypeKeydownState, TypeKeyboardMacroState:
-		return 1
+		return KeyboardQueue
 	case TypePointerReport, TypeMouseReport, TypeWheelReport:
-		return 2
+		return MouseQueue
-	// we don't want to block the queue for this message
+	// we don't want to block the queue for these messages
-	case TypeCancelKeyboardMacroReport:
+	case TypeKeyboardMacroReport, TypeCancelKeyboardMacroReport, TypeCancelKeyboardMacroByTokenReport:
-		return 3
+		return MacroQueue
 	default:
-		return 3
+		return OtherQueue
 	}
 }
 
@@ -121,3 +130,13 @@ func NewKeyboardMacroStateMessage(state bool, isPaste bool) *Message {
 		d: data,
 	}
 }
+
+// NewKeyboardMacroTokenMessage creates a new keyboard macro token message.
+func NewKeyboardMacroTokenMessage(token uuid.UUID) *Message {
+	data, _ := token.MarshalBinary()
+
+	return &Message{
+		t: TypeKeyboardMacroState,
+		d: data,
+	}
+}

internal/hidrpc/message.go

@@ -3,6 +3,8 @@ package hidrpc
 import (
 	"encoding/binary"
 	"fmt"
+
+	"github.com/google/uuid"
 )
 
 // Message ..
@@ -23,6 +25,9 @@ func (m *Message) Type() MessageType {
 func (m *Message) String() string {
 	switch m.t {
 	case TypeHandshake:
+		if len(m.d) != 0 {
+			return fmt.Sprintf("Handshake{Malformed: %v}", m.d)
+		}
 		return "Handshake"
 	case TypeKeypressReport:
 		if len(m.d) < 2 {
@@ -45,12 +50,45 @@ func (m *Message) String() string {
 		}
 		return fmt.Sprintf("MouseReport{DX: %d, DY: %d, Button: %d}", m.d[0], m.d[1], m.d[2])
 	case TypeKeypressKeepAliveReport:
+		if len(m.d) != 0 {
+			return fmt.Sprintf("KeypressKeepAliveReport{Malformed: %v}", m.d)
+		}
 		return "KeypressKeepAliveReport"
+	case TypeWheelReport:
+		if len(m.d) < 3 {
+			return fmt.Sprintf("WheelReport{Malformed: %v}", m.d)
+		}
+		return fmt.Sprintf("WheelReport{Vertical: %d, Horizontal: %d}", int8(m.d[0]), int8(m.d[1]))
 	case TypeKeyboardMacroReport:
 		if len(m.d) < 5 {
 			return fmt.Sprintf("KeyboardMacroReport{Malformed: %v}", m.d)
 		}
 		return fmt.Sprintf("KeyboardMacroReport{IsPaste: %v, Length: %d}", m.d[0] == uint8(1), binary.BigEndian.Uint32(m.d[1:5]))
+	case TypeCancelKeyboardMacroReport:
+		if len(m.d) != 0 {
+			return fmt.Sprintf("CancelKeyboardMacroReport{Malformed: %v}", m.d)
+		}
+		return "CancelKeyboardMacroReport"
+	case TypeCancelKeyboardMacroByTokenReport:
+		if len(m.d) != 16 {
+			return fmt.Sprintf("CancelKeyboardMacroByTokenReport{Malformed: %v}", m.d)
+		}
+		return fmt.Sprintf("CancelKeyboardMacroByTokenReport{Token: %s}", uuid.Must(uuid.FromBytes(m.d)).String())
+	case TypeKeyboardLedState:
+		if len(m.d) < 1 {
+			return fmt.Sprintf("KeyboardLedState{Malformed: %v}", m.d)
+		}
+		return fmt.Sprintf("KeyboardLedState{State: %d}", m.d[0])
+	case TypeKeydownState:
+		if len(m.d) < 1 {
+			return fmt.Sprintf("KeydownState{Malformed: %v}", m.d)
+		}
+		return fmt.Sprintf("KeydownState{State: %d}", m.d[0])
+	case TypeKeyboardMacroState:
+		if len(m.d) < 2 {
+			return fmt.Sprintf("KeyboardMacroState{Malformed: %v}", m.d)
+		}
+		return fmt.Sprintf("KeyboardMacroState{State: %v, IsPaste: %v}", m.d[0] == uint8(1), m.d[1] == uint8(1))
 	default:
 		return fmt.Sprintf("Unknown{Type: %d, Data: %v}", m.t, m.d)
 	}
@@ -67,7 +105,9 @@ func (m *Message) KeypressReport() (KeypressReport, error) {
 	if m.t != TypeKeypressReport {
 		return KeypressReport{}, fmt.Errorf("invalid message type: %d", m.t)
 	}
-
+	if len(m.d) < 2 {
+		return KeypressReport{}, fmt.Errorf("invalid message data length: %d", len(m.d))
+	}
 	return KeypressReport{
 		Key:   m.d[0],
 		Press: m.d[1] == uint8(1),
@@ -95,7 +135,7 @@ func (m *Message) KeyboardReport() (KeyboardReport, error) {
 // Macro ..
 type KeyboardMacroStep struct {
 	Modifier byte   // 1 byte
-	Keys     []byte // 6 bytes: hidKeyBufferSize
+	Keys     []byte // 6 bytes: HidKeyBufferSize
 	Delay    uint16 // 2 bytes
 }
 type KeyboardMacroReport struct {
@@ -105,7 +145,7 @@ type KeyboardMacroReport struct {
 }
 
 // HidKeyBufferSize is the size of the keys buffer in the keyboard report.
-const HidKeyBufferSize = 6
+const HidKeyBufferSize int = 6
 
 // KeyboardMacroReport returns the keyboard macro report from the message.
 func (m *Message) KeyboardMacroReport() (KeyboardMacroReport, error) {
@@ -205,3 +245,20 @@ func (m *Message) KeyboardMacroState() (KeyboardMacroState, error) {
 		IsPaste: m.d[1] == uint8(1),
 	}, nil
 }
+
+// KeyboardMacroToken returns the keyboard macro token UUID from the message.
+func (m *Message) KeyboardMacroToken() (uuid.UUID, error) {
+	if m.t != TypeCancelKeyboardMacroByTokenReport {
+		return uuid.Nil, fmt.Errorf("invalid message type: %d", m.t)
+	}
+
+	if len(m.d) == 0 {
+		return uuid.Nil, nil
+	}
+
+	if len(m.d) != 16 {
+		return uuid.Nil, fmt.Errorf("invalid UUID length: %d", len(m.d))
+	}
+
+	return uuid.FromBytes(m.d)
+}

jsonrpc.go

@@ -1,7 +1,6 @@
 package kvm
 
 import (
-	"bytes"
 	"context"
 	"encoding/json"
 	"errors"
@@ -14,6 +13,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/pion/webrtc/v4"
 	"github.com/rs/zerolog"
 	"go.bug.st/serial"
@@ -1070,68 +1070,121 @@ func rpcSetLocalLoopbackOnly(enabled bool) error {
 	return nil
 }
 
+type RunningMacro struct {
+	cancel  context.CancelFunc
+	isPaste bool
+}
+
 var (
-	keyboardMacroCancel context.CancelFunc
+	keyboardMacroCancelMap map[uuid.UUID]RunningMacro
-	keyboardMacroLock   sync.Mutex
+	keyboardMacroLock      sync.Mutex
 )
 
-// cancelKeyboardMacro cancels any ongoing keyboard macro execution
+func init() {
-func cancelKeyboardMacro() {
+	keyboardMacroCancelMap = make(map[uuid.UUID]RunningMacro)
+}
+
+func addKeyboardMacro(isPaste bool, cancel context.CancelFunc) uuid.UUID {
 	keyboardMacroLock.Lock()
 	defer keyboardMacroLock.Unlock()
 
-	if keyboardMacroCancel != nil {
+	token := uuid.New() // Generate a unique token
-		keyboardMacroCancel()
+	keyboardMacroCancelMap[token] = RunningMacro{
-		logger.Info().Msg("canceled keyboard macro")
+		isPaste: isPaste,
-		keyboardMacroCancel = nil
+		cancel:  cancel,
+	}
+	return token
+}
+
+func removeRunningKeyboardMacro(token uuid.UUID) {
+	keyboardMacroLock.Lock()
+	defer keyboardMacroLock.Unlock()
+
+	delete(keyboardMacroCancelMap, token)
+}
+
+func cancelRunningKeyboardMacro(token uuid.UUID) {
+	keyboardMacroLock.Lock()
+	defer keyboardMacroLock.Unlock()
+
+	if runningMacro, exists := keyboardMacroCancelMap[token]; exists {
+		runningMacro.cancel()
+		delete(keyboardMacroCancelMap, token)
+		logger.Info().Interface("token", token).Msg("canceled keyboard macro by token")
+	} else {
+		logger.Debug().Interface("token", token).Msg("no running keyboard macro found for token")
 	}
 }
 
-func setKeyboardMacroCancel(cancel context.CancelFunc) {
+func cancelAllRunningKeyboardMacros() {
 	keyboardMacroLock.Lock()
 	defer keyboardMacroLock.Unlock()
 
-	keyboardMacroCancel = cancel
+	for token, runningMacro := range keyboardMacroCancelMap {
+		runningMacro.cancel()
+		delete(keyboardMacroCancelMap, token)
+		logger.Info().Interface("token", token).Msg("cancelled keyboard macro")
+	}
 }
 
-func rpcExecuteKeyboardMacro(macro []hidrpc.KeyboardMacroStep) error {
+func reportRunningMacrosState() {
-	cancelKeyboardMacro()
+	if currentSession != nil {
+		keyboardMacroLock.Lock()
+		defer keyboardMacroLock.Unlock()
 
+		isPaste := false
+		anyRunning := false
+		for _, runningMacro := range keyboardMacroCancelMap {
+			anyRunning = true
+			if runningMacro.isPaste {
+				isPaste = true
+				break
+			}
+		}
+
+		state := hidrpc.KeyboardMacroState{
+			State:   anyRunning,
+			IsPaste: isPaste,
+		}
+
+		currentSession.reportHidRPCKeyboardMacroState(state)
+	}
+}
+
+func rpcExecuteKeyboardMacro(isPaste bool, macro []hidrpc.KeyboardMacroStep) uuid.UUID {
 	ctx, cancel := context.WithCancel(context.Background())
-	setKeyboardMacroCancel(cancel)
+	token := addKeyboardMacro(isPaste, cancel)
+	reportRunningMacrosState()
 
-	s := hidrpc.KeyboardMacroState{
+	go func() {
-		State:   true,
+		defer reportRunningMacrosState()        // this executes last, so the map is already updated
-		IsPaste: true,
+		defer removeRunningKeyboardMacro(token) // this executes first, to update the map
-	}
 
-	if currentSession != nil {
+		err := executeKeyboardMacro(ctx, isPaste, macro)
-		currentSession.reportHidRPCKeyboardMacroState(s)
+		if err != nil {
-	}
+			logger.Error().Err(err).Interface("token", token).Bool("isPaste", isPaste).Msg("keyboard macro execution failed")
+		}
+	}()
 
-	err := rpcDoExecuteKeyboardMacro(ctx, macro)
+	return token
-
-	setKeyboardMacroCancel(nil)
-
-	s.State = false
-	if currentSession != nil {
-		currentSession.reportHidRPCKeyboardMacroState(s)
-	}
-
-	return err
 }
 
 func rpcCancelKeyboardMacro() {
-	cancelKeyboardMacro()
+	defer reportRunningMacrosState()
+	cancelAllRunningKeyboardMacros()
 }
 
-var keyboardClearStateKeys = make([]byte, hidrpc.HidKeyBufferSize)
+func rpcCancelKeyboardMacroByToken(token uuid.UUID) {
+	defer reportRunningMacrosState()
 
-func isClearKeyStep(step hidrpc.KeyboardMacroStep) bool {
+	if token == uuid.Nil {
-	return step.Modifier == 0 && bytes.Equal(step.Keys, keyboardClearStateKeys)
+		cancelAllRunningKeyboardMacros()
+	} else {
+		cancelRunningKeyboardMacro(token)
+	}
 }
 
-func rpcDoExecuteKeyboardMacro(ctx context.Context, macro []hidrpc.KeyboardMacroStep) error {
+func executeKeyboardMacro(ctx context.Context, isPaste bool, macro []hidrpc.KeyboardMacroStep) error {
 	logger.Debug().Int("macro_steps", len(macro)).Msg("Executing keyboard macro")
 
 	// don't report keyboard state changes while executing the macro
@@ -1143,15 +1196,10 @@ func rpcDoExecuteKeyboardMacro(ctx context.Context, macro []hidrpc.KeyboardMacro
 
 		err := rpcKeyboardReport(step.Modifier, step.Keys)
 		if err != nil {
-			logger.Warn().Err(err).Msg("failed to execute keyboard macro")
+			logger.Warn().Err(err).Int("step", i).Msg("failed to execute keyboard macro")
 			return err
 		}
 
-		// notify the device that the keyboard state is being cleared
-		if isClearKeyStep(step) {
-			gadget.UpdateKeysDown(0, keyboardClearStateKeys)
-		}
-
 		// Use context-aware sleep that can be cancelled
 		select {
 		case <-time.After(delay):
@@ -1159,7 +1207,7 @@ func rpcDoExecuteKeyboardMacro(ctx context.Context, macro []hidrpc.KeyboardMacro
 		case <-ctx.Done():
 			// make sure keyboard state is reset and the client gets notified
 			gadget.ResumeSuspendKeyDownMessages()
-			err := rpcKeyboardReport(0, keyboardClearStateKeys)
+			err := rpcKeyboardReport(0, make([]byte, hidrpc.HidKeyBufferSize))
 			if err != nil {
 				logger.Warn().Err(err).Msg("failed to reset keyboard state")
 			}

ui/package-lock.json

@@ -37,6 +37,7 @@
         "recharts": "^3.2.1",
         "tailwind-merge": "^3.3.1",
         "usehooks-ts": "^3.1.1",
+        "uuid": "^13.0.0",
         "validator": "^13.15.15",
         "zustand": "^4.5.2"
       },
@@ -6880,6 +6881,19 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/uuid": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
+      "integrity": "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    },
     "node_modules/validator": {
       "version": "13.15.15",
       "resolved": "https://registry.npmjs.org/validator/-/validator-13.15.15.tgz",

ui/package.json

@@ -48,6 +48,7 @@
     "recharts": "^3.2.1",
     "tailwind-merge": "^3.3.1",
     "usehooks-ts": "^3.1.1",
+    "uuid": "^13.0.0",
     "validator": "^13.15.15",
     "zustand": "^4.5.2"
   },

ui/src/hooks/hidRpc.ts

@@ -1,3 +1,5 @@
+import { parse as uuidParse , stringify as uuidStringify } from "uuid";
+
 import { hidKeyBufferSize, KeyboardLedState, KeysDownState } from "./stores";
 
 export const HID_RPC_MESSAGE_TYPES = {
@@ -13,6 +15,7 @@ export const HID_RPC_MESSAGE_TYPES = {
     KeyboardLedState: 0x32,
     KeysDownState: 0x33,
     KeyboardMacroState: 0x34,
+    CancelKeyboardMacroByTokenReport: 0x35,
 }
 
 export type HidRpcMessageType = typeof HID_RPC_MESSAGE_TYPES[keyof typeof HID_RPC_MESSAGE_TYPES];
@@ -299,7 +302,7 @@ export class KeyboardMacroStateMessage extends RpcMessage {
     }
 
     public static unmarshal(data: Uint8Array): KeyboardMacroStateMessage | undefined {
-        if (data.length < 1) {
+        if (data.length < 2) {
             throw new Error(`Invalid keyboard macro state report message length: ${data.length}`);
         }
 
@@ -378,13 +381,30 @@ export class PointerReportMessage extends RpcMessage {
 }
 
 export class CancelKeyboardMacroReportMessage extends RpcMessage {
+    token: string;
 
-    constructor() {
+    constructor(token: string) {
         super(HID_RPC_MESSAGE_TYPES.CancelKeyboardMacroReport);
+        this.token = (token == null || token === undefined || token === "")
+            ? "00000000-0000-0000-0000-000000000000"
+            : token;
     }
 
     marshal(): Uint8Array {
-        return new Uint8Array([this.messageType]);
+        const tokenBytes = uuidParse(this.token);
+        return new Uint8Array([this.messageType, ...tokenBytes]);
+    }
+
+    public static unmarshal(data: Uint8Array): CancelKeyboardMacroReportMessage | undefined {
+        if (data.length == 0) {
+            return new CancelKeyboardMacroReportMessage("00000000-0000-0000-0000-000000000000");
+        }
+
+        if (data.length != 16) {
+            throw new Error(`Invalid cancel message length: ${data.length}`);
+        }
+
+        return new CancelKeyboardMacroReportMessage(uuidStringify(data.slice(0, 16)));
     }
 }
 
@@ -430,6 +450,7 @@ export const messageRegistry = {
     [HID_RPC_MESSAGE_TYPES.CancelKeyboardMacroReport]: CancelKeyboardMacroReportMessage,
     [HID_RPC_MESSAGE_TYPES.KeyboardMacroState]: KeyboardMacroStateMessage,
     [HID_RPC_MESSAGE_TYPES.KeypressKeepAliveReport]: KeypressKeepAliveMessage,
+    [HID_RPC_MESSAGE_TYPES.CancelKeyboardMacroByTokenReport]: CancelKeyboardMacroReportMessage,
 }
 
 export const unmarshalHidRpcMessage = (data: Uint8Array): RpcMessage | undefined => {

ui/src/hooks/useHidRpc.ts

@@ -142,7 +142,7 @@ export function useHidRpc(onHidRpcMessage?: (payload: RpcMessage) => void) {
 
   const cancelOngoingKeyboardMacro = useCallback(
     () => {
-      sendMessage(new CancelKeyboardMacroReportMessage());
+      sendMessage(new CancelKeyboardMacroReportMessage(""));
     },
     [sendMessage],
   );

web.go

@@ -230,7 +230,7 @@ func handleWebRTCSession(c *gin.Context) {
 	}
 
 	// Cancel any ongoing keyboard macro when session changes
-	cancelKeyboardMacro()
+	cancelAllRunningKeyboardMacros()
 
 	currentSession = session
 	c.JSON(http.StatusOK, gin.H{"sd": sd})

webrtc.go

@@ -98,7 +98,7 @@ func (s *Session) initQueues() {
 	defer s.hidQueueLock.Unlock()
 
 	s.hidQueue = make([]chan hidQueueMessage, 0)
-	for i := 0; i < 4; i++ {
+	for i := 0; i <= hidrpc.OtherQueue; i++ {
 		q := make(chan hidQueueMessage, 256)
 		s.hidQueue = append(s.hidQueue, q)
 	}
@@ -163,7 +163,7 @@ func getOnHidMessageHandler(session *Session, scopedLogger *zerolog.Logger, chan
 		queueIndex := hidrpc.GetQueueIndex(hidrpc.MessageType(msg.Data[0]))
 		if queueIndex >= len(session.hidQueue) || queueIndex < 0 {
 			l.Warn().Int("queueIndex", queueIndex).Msg("received data in HID RPC message handler, but queue index not found")
-			queueIndex = 3
+			queueIndex = hidrpc.OtherQueue
 		}
 
 		queue := session.hidQueue[queueIndex]
@@ -328,7 +328,7 @@ func newSession(config SessionConfig) (*Session, error) {
 			scopedLogger.Debug().Msg("ICE Connection State is closed, unmounting virtual media")
 			if session == currentSession {
 				// Cancel any ongoing keyboard report multi when session closes
-				cancelKeyboardMacro()
+				cancelAllRunningKeyboardMacros()
 				currentSession = nil
 			}
 			// Stop RPC processor