remove superClient

Tun/Punchnet/Actors/SDLSuperClientActor.swift

@@ -1,312 +0,0 @@
-//
-//  SDLWebsocketClient.swift
-//  Tun
-//
-//  Created by 安礼成 on 2024/3/28.
-//
-
-import Foundation
-import NIOCore
-import NIOPosix
-
-// --MARK: 和SuperNode的客户端
-actor SDLSuperClientActor {
-    // 发送的消息格式
-    private typealias TcpMessage = (packetId: UInt32, type: SDLPacketType, data: Data)
-    
-    private let group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
-    private let asyncChannel: NIOAsyncChannel<ByteBuffer,ByteBuffer>
-    private let (writeStream, writeContinuation) = AsyncStream.makeStream(of: TcpMessage.self, bufferingPolicy: .unbounded)
-    private var continuations: [UInt32:CheckedContinuation<SDLSuperInboundMessage, Error>] = [:]
-
-    public let eventFlow: AsyncStream<SuperEvent>
-    private let inboundContinuation: AsyncStream<SuperEvent>.Continuation
-    
-    // id生成器
-    var idGenerator = SDLIdGenerator(seed: 1)
-    
-    private let logger: SDLLogger
-    
-    // 定义事件类型
-    enum SuperEvent {
-        case ready
-        case event(SDLEvent)
-        case command(UInt32, SDLCommand)
-    }
-    
-    enum SuperClientError: Error {
-        case timeout
-        case connectionClosed
-        case cancelled
-    }
-    
-    init(host: String, port: Int, logger: SDLLogger) async throws {
-        self.logger = logger
-        
-        (self.eventFlow, self.inboundContinuation) = AsyncStream.makeStream(of: SuperEvent.self, bufferingPolicy: .unbounded)
-        let bootstrap = ClientBootstrap(group: self.group)
-            .channelOption(ChannelOptions.socketOption(.so_reuseaddr), value: 1)
-            .channelInitializer { channel in
-                return channel.pipeline.addHandlers([
-                    ByteToMessageHandler(FixedHeaderDecoder()),
-                    MessageToByteHandler(FixedHeaderEncoder())
-                ])
-            }
-        
-        self.asyncChannel = try await bootstrap.connect(host: host, port: port)
-            .flatMapThrowing { channel in
-                return try NIOAsyncChannel(wrappingChannelSynchronously: channel, configuration: .init(
-                    inboundType: ByteBuffer.self,
-                    outboundType: ByteBuffer.self
-                ))
-            }
-            .get()
-    }
-    
-    func start() async throws {
-        try await withTaskCancellationHandler {
-            try await self.asyncChannel.executeThenClose { inbound, outbound in
-                self.inboundContinuation.yield(.ready)
-                
-                try await withThrowingTaskGroup(of: Void.self) { group in
-                    group.addTask {
-                        defer {
-                            self.logger.log("[SDLSuperClient] inbound closed", level: .warning)
-                        }
-                        
-                        for try await var packet in inbound {
-                            try Task.checkCancellation()
-                            
-                            if let message = SDLSuperClientDecoder.decode(buffer: &packet) {
-                                if !message.isPong() {
-                                    self.logger.log("[SDLSuperClient] read message: \(message)", level: .debug)
-                                }
-                                
-                                switch message.packet {
-                                case .event(let event):
-                                    self.inboundContinuation.yield(.event(event))
-                                case .command(let command):
-                                    self.inboundContinuation.yield(.command(message.msgId, command))
-                                default:
-                                    await self.fireCallback(message: message)
-                                }
-                            }
-                        }
-                    }
-                    
-                    group.addTask {
-                        defer {
-                            self.logger.log("[SDLSuperClient] outbound closed", level: .warning)
-                        }
-                        
-                        for await (packetId, type, data) in self.writeStream {
-                            try Task.checkCancellation()
-                            
-                            var buffer = self.asyncChannel.channel.allocator.buffer(capacity: data.count + 5)
-                            buffer.writeInteger(packetId, as: UInt32.self)
-                            buffer.writeBytes([type.rawValue])
-                            buffer.writeBytes(data)
-                            try await outbound.write(buffer)
-                        }
-                    }
-                    
-                    // --MARK: 心跳机制
-                    group.addTask {
-                        defer {
-                            self.logger.log("[SDLSuperClient] ping task closed", level: .warning)
-                        }
-                        
-                        while true {
-                            try Task.checkCancellation()
-                            await self.ping()
-                            try await Task.sleep(nanoseconds: 5 * 1_000_000_000)
-                        }
-                    }
-                    
-                    // 迭代等待所有任务的退出, 第一个异常会被抛出
-                    if let _ = try await group.next() {
-                        group.cancelAll()
-                    }
-                }
-            }
-        } onCancel: {
-            self.inboundContinuation.finish()
-            self.writeContinuation.finish()
-            self.logger.log("[SDLSuperClient] withTaskCancellationHandler cancel")
-            Task {
-                await self.failAllContinuations(SuperClientError.cancelled)
-            }
-        }
-    }
-    
-    // -- MARK: apis
-    func unregister() throws {
-        self.send(type: .unregisterSuper, packetId: 0, data: Data())
-    }
-    
-    private func ping() {
-        self.send(type: .ping, packetId: 0, data: Data())
-    }
-    
-    func request(type: SDLPacketType, data: Data, timeout: Duration = .seconds(5)) async throws -> SDLSuperInboundMessage {
-        let packetId = idGenerator.nextId()
-        
-        return try await withCheckedThrowingContinuation { cont in
-            self.continuations[packetId] = cont
-            self.writeContinuation.yield(TcpMessage(packetId: packetId, type: type, data: data))
-            Task {
-                try? await Task.sleep(for: timeout)
-                self.timeout(packetId: packetId)
-            }
-        }
-    }
-    
-    func send(type: SDLPacketType, packetId: UInt32, data: Data) {
-        self.writeContinuation.yield(TcpMessage(packetId: packetId, type: type, data: data))
-    }
-    
-    // 处理回调函数
-    private func fireCallback(message: SDLSuperInboundMessage) {
-        guard let cont = self.continuations.removeValue(forKey: message.msgId) else {
-            return
-        }
-        cont.resume(returning: message)
-    }
-    
-    private func failAllContinuations(_ error: Error) {
-        let all = continuations
-        continuations.removeAll()
-
-        for (_, cont) in all {
-            cont.resume(throwing: error)
-        }
-    }
-    
-    private func timeout(packetId: UInt32) {
-        guard let cont = self.continuations.removeValue(forKey: packetId) else {
-            return
-        }
-        cont.resume(throwing: SuperClientError.timeout)
-    }
-    
-    deinit {
-        try! group.syncShutdownGracefully()
-    }
-    
-}
-
-// --MARK: 编解码器
-private struct SDLSuperClientDecoder {
-    // 消息格式为: <<MsgId:32, Type:8, Body/binary>>
-    static func decode(buffer: inout ByteBuffer) -> SDLSuperInboundMessage? {
-        guard let msgId = buffer.readInteger(as: UInt32.self),
-              let type = buffer.readInteger(as: UInt8.self),
-              let messageType = SDLPacketType(rawValue: type) else {
-            return nil
-        }
-        
-        switch messageType {
-        case .empty:
-            return .init(msgId: msgId, packet: .empty)
-        case .registerSuperAck:
-            guard let bytes = buffer.readBytes(length: buffer.readableBytes),
-                  let registerSuperAck = try? SDLRegisterSuperAck(serializedBytes: bytes) else {
-                return nil
-            }
-            return .init(msgId: msgId, packet: .registerSuperAck(registerSuperAck))
-            
-        case .registerSuperNak:
-            guard let bytes = buffer.readBytes(length: buffer.readableBytes),
-                  let registerSuperNak = try? SDLRegisterSuperNak(serializedBytes: bytes) else {
-                return nil
-            }
-            return .init(msgId: msgId, packet: .registerSuperNak(registerSuperNak))
-            
-        case .peerInfo:
-            guard let bytes = buffer.readBytes(length: buffer.readableBytes),
-                  let peerInfo = try? SDLPeerInfo(serializedBytes: bytes) else {
-                return nil
-            }
-            
-            return .init(msgId: msgId, packet: .peerInfo(peerInfo))
-        case .pong:
-            return .init(msgId: msgId, packet: .pong)
-            
-        case .command:
-            guard let commandVal = buffer.readInteger(as: UInt8.self),
-                  let command = SDLCommandType(rawValue: commandVal),
-                  let bytes = buffer.readBytes(length: buffer.readableBytes) else {
-                return nil
-            }
-            
-            switch command {
-            case .changeNetwork:
-                guard let changeNetworkCommand = try? SDLChangeNetworkCommand(serializedBytes: bytes) else {
-                    return nil
-                }
-                
-                return .init(msgId: msgId, packet: .command(.changeNetwork(changeNetworkCommand)))
-            }
-            
-        case .event:
-            guard let eventVal = buffer.readInteger(as: UInt8.self),
-                  let event = SDLEventType(rawValue: eventVal),
-                  let bytes = buffer.readBytes(length: buffer.readableBytes) else {
-                return nil
-            }
-            
-            switch event {
-            case .natChanged:
-                guard let natChangedEvent = try? SDLNatChangedEvent(serializedBytes: bytes) else {
-                    return nil
-                }
-                return .init(msgId: msgId, packet: .event(.natChanged(natChangedEvent)))
-            case .sendRegister:
-                guard let sendRegisterEvent = try? SDLSendRegisterEvent(serializedBytes: bytes) else {
-                    return nil
-                }
-                return .init(msgId: msgId, packet: .event(.sendRegister(sendRegisterEvent)))
-            case .networkShutdown:
-                guard let networkShutdownEvent = try? SDLNetworkShutdownEvent(serializedBytes: bytes) else {
-                    return nil
-                }
-                return .init(msgId: msgId, packet: .event(.networkShutdown(networkShutdownEvent)))
-            }
-            
-        default:
-            return nil
-        }
-    }
-}
-
-private final class FixedHeaderEncoder: MessageToByteEncoder, @unchecked Sendable {
-    typealias InboundIn = ByteBuffer
-    typealias InboundOut = ByteBuffer
-    
-    func encode(data: ByteBuffer, out: inout ByteBuffer) throws {
-        let len = data.readableBytes
-        out.writeInteger(UInt16(len))
-        out.writeBytes(data.readableBytesView)
-    }
-}
-
-private final class FixedHeaderDecoder: ByteToMessageDecoder, @unchecked Sendable {
-    typealias InboundIn = ByteBuffer
-    typealias InboundOut = ByteBuffer
-    
-    func decode(context: ChannelHandlerContext, buffer: inout ByteBuffer) throws -> DecodingState {
-        guard let len = buffer.getInteger(at: buffer.readerIndex, endianness: .big, as: UInt16.self) else {
-            return .needMoreData
-        }
-        
-        if buffer.readableBytes >= len + 2 {
-            buffer.moveReaderIndex(forwardBy: 2)
-            if let bytes = buffer.readBytes(length: Int(len)) {
-                context.fireChannelRead(self.wrapInboundOut(ByteBuffer(bytes: bytes)))
-            }
-            return .continue
-        } else {
-            return .needMoreData
-        }
-    }
-}

Tun/Punchnet/Actors/SDLUDPHoleActor.swift

@@ -11,6 +11,8 @@ import NIOPosix
 
 // 处理和sn-server服务器之间的通讯
 actor SDLUDPHoleActor {
+    typealias HoleMessage = (SocketAddress, SDLHoleInboundMessage)
+    
     private let group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
     private let asyncChannel: NIOAsyncChannel<AddressedEnvelope<ByteBuffer>, AddressedEnvelope<ByteBuffer>>
     private let (writeStream, writeContinuation) = AsyncStream.makeStream(of: UDPMessage.self, bufferingPolicy: .unbounded)
@@ -19,35 +21,22 @@ actor SDLUDPHoleActor {
     private var promises: [UInt32:EventLoopPromise<SDLStunProbeReply>] = [:]
     public var localAddress: SocketAddress?
     
-    public let eventFlow: AsyncStream<UDPEvent>
+    public let messageStream: AsyncStream<HoleMessage>
-    private let eventContinuation: AsyncStream<UDPEvent>.Continuation
+    private let messageContinuation: AsyncStream<HoleMessage>.Continuation
     
     private let logger: SDLLogger
     
-    // 依赖的外表能力
-    struct Capabilities {
-        let logger: @Sendable (String) async -> Void
-        
-    }
-    
     struct UDPMessage {
         let remoteAddress: SocketAddress
         let type: SDLPacketType
         let data: Data
     }
 
-    // 定义事件类型
-    enum UDPEvent {
-        case ready
-        case message(SocketAddress, SDLHoleInboundMessage)
-        case data(SDLData)
-    }
-    
     // 启动函数
     init(logger: SDLLogger) async throws {
         self.logger = logger
         
-        (self.eventFlow, self.eventContinuation) = AsyncStream.makeStream(of: UDPEvent.self, bufferingPolicy: .unbounded)
+        (self.messageStream, self.messageContinuation) = AsyncStream.makeStream(of: HoleMessage.self, bufferingPolicy: .unbounded)
         
         let bootstrap = DatagramBootstrap(group: group)
             .channelOption(ChannelOptions.socketOption(.so_reuseaddr), value: 1)
@@ -68,7 +57,6 @@ actor SDLUDPHoleActor {
     func start() async throws {
         try await withTaskCancellationHandler {
             try await self.asyncChannel.executeThenClose {inbound, outbound in
-                self.eventContinuation.yield(.ready)
                 try await withThrowingTaskGroup(of: Void.self) { group in
                     group.addTask {
                         defer {
@@ -85,12 +73,12 @@ actor SDLUDPHoleActor {
                                     switch message {
                                     case .data(let data):
                                         self.logger.log("[SDLUDPHole] read data: \(data.format()), from: \(remoteAddress)", level: .debug)
-                                        self.eventContinuation.yield(.data(data))
+                                        self.messageContinuation.yield((remoteAddress, .data(data)))
                                     case .stunProbeReply(let probeReply):
                                         // 执行并移除回调
                                         await self.trigger(probeReply: probeReply)
                                     default:
-                                        self.eventContinuation.yield(.message(remoteAddress, message))
+                                        ()
                                     }
                                 } else {
                                     self.logger.log("[SDLUDPHole] decode message, get null", level: .warning)
@@ -126,7 +114,7 @@ actor SDLUDPHoleActor {
             }
         } onCancel: {
             self.writeContinuation.finish()
-            self.eventContinuation.finish()
+            self.messageContinuation.finish()
             self.logger.log("[SDLUDPHole] withTaskCancellationHandler cancel")
         }
     }
@@ -196,6 +184,52 @@ actor SDLUDPHoleActor {
         case .stunProbeReply:
             let stunProbeReply = try SDLStunProbeReply(serializedBytes: bytes)
             return .stunProbeReply(stunProbeReply)
+        case .registerSuperAck:
+            guard let bytes = buffer.readBytes(length: buffer.readableBytes),
+                  let registerSuperAck = try? SDLRegisterSuperAck(serializedBytes: bytes) else {
+                return nil
+            }
+            return .registerSuperAck(registerSuperAck)
+        case .registerSuperNak:
+            guard let bytes = buffer.readBytes(length: buffer.readableBytes),
+                  let registerSuperNak = try? SDLRegisterSuperNak(serializedBytes: bytes) else {
+                return nil
+            }
+            return .registerSuperNak(registerSuperNak)
+            
+        case .peerInfo:
+            guard let bytes = buffer.readBytes(length: buffer.readableBytes),
+                  let peerInfo = try? SDLPeerInfo(serializedBytes: bytes) else {
+                return nil
+            }
+            
+            return .peerInfo(peerInfo)
+            
+        case .event:
+            guard let eventVal = buffer.readInteger(as: UInt8.self),
+                  let event = SDLEventType(rawValue: eventVal),
+                  let bytes = buffer.readBytes(length: buffer.readableBytes) else {
+                return nil
+            }
+            
+            switch event {
+            case .natChanged:
+                guard let natChangedEvent = try? SDLNatChangedEvent(serializedBytes: bytes) else {
+                    return nil
+                }
+                return .event(.natChanged(natChangedEvent))
+            case .sendRegister:
+                guard let sendRegisterEvent = try? SDLSendRegisterEvent(serializedBytes: bytes) else {
+                    return nil
+                }
+                return .event(.sendRegister(sendRegisterEvent))
+            case .networkShutdown:
+                guard let networkShutdownEvent = try? SDLNetworkShutdownEvent(serializedBytes: bytes) else {
+                    return nil
+                }
+                return .event(.networkShutdown(networkShutdownEvent))
+            }
+            
         default:
             return nil
         }
@@ -204,7 +238,7 @@ actor SDLUDPHoleActor {
     deinit {
         try? self.group.syncShutdownGracefully()
         self.writeContinuation.finish()
-        self.eventContinuation.finish()
+        self.messageContinuation.finish()
     }
     
 }

Tun/Punchnet/SDLContext.swift

@@ -49,7 +49,6 @@ public class SDLContext {
     
     // 依赖的变量
     var udpHoleActor: SDLUDPHoleActor?
-    var superClientActor: SDLSuperClientActor?
     var providerActor: SDLTunnelProviderActor
     var puncherActor: SDLPuncherActor
     // dns的client对象
@@ -156,7 +155,6 @@ public class SDLContext {
     
     public func stop() async {
         self.rootTask?.cancel()
-        self.superClientActor = nil
         self.udpHoleActor = nil
         self.noticeClient = nil
 
@@ -215,31 +213,6 @@ public class SDLContext {
         
     }
     
-    private func startSuperClient() async throws {
-        self.superClientActor = try await SDLSuperClientActor(host: self.config.superHost, port: self.config.superPort, logger: self.logger)
-        try await withThrowingTaskGroup(of: Void.self) { group in
-            defer {
-                self.logger.log("[SDLContext] super client task cancel", level: .warning)
-            }
-            
-            group.addTask {
-                try await self.superClientActor?.start()
-            }
-            
-            group.addTask {
-                if let eventFlow = self.superClientActor?.eventFlow {
-                    for try await event in eventFlow {
-                        try await self.handleSuperEvent(event: event)
-                    }
-                }
-            }
-            
-            if let _ = try await group.next() {
-                group.cancelAll()
-            }
-        }
-    }
-    
     private func startMonitor() async {
         self.monitor = SDLNetworkMonitor()
         for await event in self.monitor!.eventStream {

Tun/Punchnet/SDLMessage.swift

@@ -46,13 +46,6 @@ enum SDLPacketType: UInt8 {
     case data = 0xFF
 }
 
-// 升级策略
-enum SDLUpgradeType: UInt32 {
-    case none = 0
-    case normal = 1
-    case force = 2
-}
-
 // Id生成器
 struct SDLIdGenerator: Sendable {
     // 消息体id
@@ -71,29 +64,6 @@ struct SDLIdGenerator: Sendable {
 
 // 定义事件类型
 
-// 命令类型
-enum SDLEventType: UInt8 {
-    case natChanged = 0x03
-    case sendRegister = 0x04
-    case networkShutdown = 0xFF
-}
-
-enum SDLEvent {
-    case natChanged(SDLNatChangedEvent)
-    case sendRegister(SDLSendRegisterEvent)
-    case networkShutdown(SDLNetworkShutdownEvent)
-}
-
-// --MARK: 定义命令类型
-
-enum SDLCommandType: UInt8 {
-    case changeNetwork = 0x01
-}
-
-enum SDLCommand {
-    case changeNetwork(SDLChangeNetworkCommand)
-}
-
 // --MARK: 网络类型探测
 // 探测的Attr属性
 enum SDLProbeAttr: UInt8 {
@@ -130,6 +100,14 @@ extension SDLStunProbeReply {
 // --MARK: 进来的消息, 这里需要采用代数类型来表示
 
 enum SDLHoleInboundMessage {
+    case registerSuperAck(SDLRegisterSuperAck)
+    case registerSuperNak(SDLRegisterSuperNak)
+    
+    case peerInfo(SDLPeerInfo)
+    case pong
+    
+    case event(SDLEvent)
+    
     case stunReply(SDLStunReply)
     case stunProbeReply(SDLStunProbeReply)
     
@@ -138,29 +116,15 @@ enum SDLHoleInboundMessage {
     case registerAck(SDLRegisterAck)
 }
 
-// --MARK: 定义消息类型
+// 命令类型
-
+enum SDLEventType: UInt8 {
-struct SDLSuperInboundMessage {
+    case natChanged = 0x03
-    let msgId: UInt32
+    case sendRegister = 0x04
-    let packet: InboundPacket
+    case networkShutdown = 0xFF
-    
-    enum InboundPacket {
-        case empty
-        case registerSuperAck(SDLRegisterSuperAck)
-        case registerSuperNak(SDLRegisterSuperNak)
-        case peerInfo(SDLPeerInfo)
-        case pong
-        case event(SDLEvent)
-        case command(SDLCommand)
-    }
-    
-    func isPong() -> Bool {
-        switch self.packet {
-        case .pong:
-            return true
-        default:
-            return false
-        }
 }
 
+enum SDLEvent {
+    case natChanged(SDLNatChangedEvent)
+    case sendRegister(SDLSendRegisterEvent)
+    case networkShutdown(SDLNetworkShutdownEvent)
 }