fix udp client

Sources/Punchnet/SDLContext.swift

@@ -125,8 +125,6 @@ public class SDLContext: @unchecked Sendable {
         self.udpHole = nil
         
         self.readTask?.cancel()
-        
-        exit(-1)
     }
     
     private func startSuperClient() async throws {
@@ -188,13 +186,13 @@ public class SDLContext: @unchecked Sendable {
                     let alertNotice = NoticeMessage.AlertMessage(alert: errorMessage)
                     self.noticeClient.send(data: alertNotice.binaryData)
                 }
-                SDLLogger.log("Get a SuperNak message exit", level: .error)
+                NSLog("[SDLContext] Get a SuperNak message exit")
             default:
                 ()
             }
             
         case .closed:
-            SDLLogger.log("[SDLContext] super client closed", level: .debug)
+            NSLog("[SDLContext] super client closed")
             await self.arpServer.clear()
             DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
                 Task {@MainActor in
@@ -205,10 +203,10 @@ public class SDLContext: @unchecked Sendable {
             switch evt {
             case .natChanged(let natChangedEvent):
                 let dstMac = natChangedEvent.mac
-                NSLog("natChangedEvent, dstMac: \(dstMac)")
+                NSLog("[SDLContext] natChangedEvent, dstMac: \(dstMac)")
                 await sessionManager.removeSession(dstMac: dstMac)
             case .sendRegister(let sendRegisterEvent):
-                NSLog("sendRegisterEvent, ip: \(sendRegisterEvent)")
+                NSLog("[SDLContext] sendRegisterEvent, ip: \(sendRegisterEvent)")
                 let address = SDLUtil.int32ToIp(sendRegisterEvent.natIp)
                 if let remoteAddress = try? SocketAddress.makeAddressResolvingHost(address, port: Int(sendRegisterEvent.natPort)) {
                     // 发送register包
@@ -391,7 +389,7 @@ public class SDLContext: @unchecked Sendable {
             networkSettings.dnsSettings = NEDNSSettings(servers: ["8.8.8.8", "114.114.114.114"])
         }
         
-        SDLLogger.log("[SDLContext] Tun started at network ip: \(netAddress.ipAddress), mask: \(netAddress.maskAddress)", level: .debug)
+        NSLog("[SDLContext] Tun started at network ip: \(netAddress.ipAddress), mask: \(netAddress.maskAddress)")
 
         let ipv4Settings = NEIPv4Settings(addresses: [netAddress.ipAddress], subnetMasks: [netAddress.maskAddress])
         // 设置路由表
@@ -407,9 +405,9 @@ public class SDLContext: @unchecked Sendable {
             await self.holerManager.cleanup()
             self.startReader()
             
-            SDLLogger.log("[SDLContext] setTunnelNetworkSettings success, start read packet", level: .debug)
+            NSLog("[SDLContext] setTunnelNetworkSettings success, start read packet")
         } catch let err {
-            SDLLogger.log("[SDLContext] setTunnelNetworkSettings get error: \(err)", level: .error)
+            NSLog("[SDLContext] setTunnelNetworkSettings get error: \(err)")
             exit(-1)
         }
     }

Sources/Punchnet/SDLNoticeClient.swift

@@ -23,7 +23,7 @@ class SDLNoticeClient: ChannelInboundHandler, @unchecked Sendable {
     public typealias InboundIn = AddressedEnvelope<ByteBuffer>
     public typealias OutboundOut = AddressedEnvelope<ByteBuffer>
     
-    var context: ChannelHandlerContext?
+    var channel: Channel?
     private let group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
     private let remoteAddress: SocketAddress
     
@@ -40,17 +40,14 @@ class SDLNoticeClient: ChannelInboundHandler, @unchecked Sendable {
                 channel.pipeline.addHandler(self)
             }
         
-        let channel = try! bootstrap.bind(host: "0.0.0.0", port: 0).wait()
+        self.channel = try! bootstrap.bind(host: "0.0.0.0", port: 0).wait()
-        SDLLogger.log("[SDLNoticeClient] started and listening on: \(channel.localAddress!)", level: .debug)
+        SDLLogger.log("[SDLNoticeClient] started and listening on: \(self.channel?.localAddress!)", level: .debug)
-        
-        // This will never unblock as we don't close the channel
-        try! channel.closeFuture.wait()
     }
     
     // -- MARK: ChannelInboundHandler Methods
     
     public func channelActive(context: ChannelHandlerContext) {
-        self.context = context
+        
     }
     
     // 接收到的消息, 消息需要根据类型分流
@@ -62,27 +59,27 @@ class SDLNoticeClient: ChannelInboundHandler, @unchecked Sendable {
         // As we are not really interested getting notified on success or failure we just pass nil as promise to
         // reduce allocations.
         context.close(promise: nil)
-        self.context = nil
+        self.channel = nil
     }
     
     public func channelInactive(context: ChannelHandlerContext) {
-        self.context = nil
+        self.channel = nil
         context.close(promise: nil)
     }
     
     // 处理写入逻辑
     func send(data: Data) {
-        guard let context = self.context else {
+        guard let channel = self.channel else {
             return
         }
         
         let remoteAddress = self.remoteAddress
-        let allocator = context.channel.allocator
+        let allocator = channel.allocator
         
-        context.eventLoop.execute { [allocator] in
+        channel.eventLoop.execute { [allocator] in
             let buffer = allocator.buffer(bytes: data)
             let envelope = AddressedEnvelope<ByteBuffer>(remoteAddress: remoteAddress, data: buffer)
-            context.writeAndFlush(self.wrapOutboundOut(envelope), promise: nil)
+            channel.writeAndFlush(self.wrapOutboundOut(envelope), promise: nil)
         }
     }