修复注册问题

Tun/PacketTunnelProvider.swift

@@ -66,10 +66,15 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
 
     override func sleep(completionHandler: @escaping () -> Void) {
         // Add code here to get ready to sleep.
-        self.runtimeEnv?.submitCommand(command: .stop(completion: {
+        guard let runtimeEnv else {
+            completionHandler()
+            return
+        }
+
+        runtimeEnv.submitCommand(command: .stop(completion: {
             SDLLogger.log("[PacketTunnelProvider] sleep")
+            completionHandler()
         }))
-        completionHandler()
     }
 
     override func wake() {

Tun/Punchnet/Context/SDLContextActor.swift

@@ -101,9 +101,6 @@ actor SDLContextActor {
     // Flow流会话管理， 过期时间为: 180秒
     private let flowSessionManager = SDLFlowSessionManager(sessionTimeout: 180)
     
-    // 注册任务
-    private var registerTask: Task<Void, Never>?
-    
     // stunRequest任务
     private var stunRequestTask: Task<Void, Never>?
 
@@ -157,9 +154,6 @@ actor SDLContextActor {
 
         self.flowSessionManager.clear()
 
-        self.registerTask?.cancel()
-        self.registerTask = nil
-
         self.stunRequestTask?.cancel()
         self.stunRequestTask = nil
 
@@ -245,42 +239,24 @@ extension SDLContextActor {
         switch message {
         case .welcome(let welcome):
             SDLLogger.log("[SDLContext] quic welcome: \(welcome)")
+            
+            await self.ipv6AssistClient?.stop()
+            self.ipv6AssistClient = nil
+            // 尝试创建v6地址的辅助探测器
+            if welcome.hasIpv6Assist {
+                self.ipv6AssistClient = SDLIPV6AssistClient(assistServerInfo: welcome.ipv6Assist)
+                await self.ipv6AssistClient?.start()
+            }
+            
             // 注册
             await self.doRegisterSuper()
             SDLLogger.log("[SDLContext] quic doRegisterSuper")
-
-            // 任务取消机制
-            self.registerTask = Task {
-                do {
-                    try await Task.sleep(for: .seconds(5))
-                    try Task.checkCancellation()
-                    
-                    // 关闭掉当前Tunnel
-                    self.publishTunnelEvent(message: "校验失败")
-                    // 报告错误并退出
-                    let error = NSError(domain: "com.jihe.punchnet.tun", code: -3)
-                    self.provider.cancelTunnelWithError(error)
-                } catch {
-                    SDLLogger.log("[SDLContext] registerTask: cancel")
-                    return
-                }
-            }
-            
-            // 启动stun任务
-            await self.startStunRequestTask(welcome: welcome)
-            
         case .pong:
             //SDLLogger.shared.log("[SDLContext] quic pong")
             ()
         case .registerSuperAck(let registerSuperAck):
-            self.registerTask?.cancel()
-            self.registerTask = nil
-            
             await self.handleRegisterSuperAck(registerSuperAck: registerSuperAck)
         case .registerSuperNak(let registerSuperNak):
-            self.registerTask?.cancel()
-            self.registerTask = nil
-
             self.handleRegisterSuperNak(nakPacket: registerSuperNak)
         case .peerInfo(let peerInfo):
             SDLLogger.log("[SDLContext] peer message: \(peerInfo)")
@@ -360,6 +336,9 @@ extension SDLContextActor {
                 SDLLogger.log("[SDLContext] updatePolicyTask stop with err: \(err)")
             }
         }
+        
+        // 启动stun任务
+        await self.startStunRequestTask()
     }
     
     private func handleRegisterSuperNak(nakPacket: SDLRegisterSuperNak) {
@@ -551,16 +530,10 @@ extension SDLContextActor {
 extension SDLContextActor {
     
     // MARK: -- StunRequestTask
-    private func startStunRequestTask(welcome: SDLWelcome) async {
+    private func startStunRequestTask() async {
         self.stunRequestTask?.cancel()
         self.stunRequestTask = nil
 
-        await self.ipv6AssistClient?.stop()
-        self.ipv6AssistClient = SDLIPV6AssistClient(assistServerInfo: welcome.ipv6Assist)
-        await self.ipv6AssistClient?.start()
-        let ipv6AssistClient = self.ipv6AssistClient
-        
-        // 通过 welcome信息拿到当前可用使用的ipv6地址
         // 处理心跳逻辑
         self.stunRequestTask = Task { [weak self] in
             let timerStream = SDLAsyncTimerStream()
@@ -571,20 +544,29 @@ extension SDLContextActor {
                     break
                 }
                 
-                let probeReply = try? await ipv6AssistClient?.probe(requestTimeout: .seconds(3))
+                let probeReply = try? await self?.ipv6AssistClient?.probe(requestTimeout: .seconds(3))
+                if Task.isCancelled {
+                    break
+                }
+
                 if let v6Info = probeReply?.v6Info, let v6Address = SDLUtil.ipv6DataToString(v6Info.v6) {
                     SDLLogger.log("[SDLContext] probe ipv6 address: \(v6Address)")
                 } else {
                     SDLLogger.log("[SDLContext] probe ipv6 address: empty")
                 }
-                await self?.sendStunRequest(probeReply: probeReply)
+
+                if Task.isCancelled {
+                    break
+                }
+
+                await self?.sendStunRequest(v6Info: probeReply?.v6Info)
             }
             
             SDLLogger.log("[SDLContext] udp stunRequestTask cancel")
         }
     }
     
-    private func sendStunRequest(probeReply: SDLV6AssistProbeReply?) async {
+    private func sendStunRequest(v6Info: SDLV6Info?) async {
         guard let sessionToken = self.sessionToken else {
             return
         }
@@ -597,7 +579,7 @@ extension SDLContextActor {
         stunRequest.natType = UInt32(self.natType.rawValue)
         stunRequest.sessionToken = sessionToken
         
-        if let v6Info = probeReply?.v6Info {
+        if let v6Info {
             stunRequest.v6Info = v6Info
         }