126 lines
2.6 KiB
Swift
126 lines
2.6 KiB
Swift
//
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// SDLPacketType.swift
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// Tun
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//
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// Created by 安礼成 on 2024/4/10.
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//
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import Foundation
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import NIOCore
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// 消息类型定义
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enum SDLPacketType: UInt8 {
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case empty = 0x00
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case registerSuper = 0x01
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case registerSuperAck = 0x02
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case registerSuperNak = 0x04
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case unregisterSuper = 0x05
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case queryInfo = 0x06
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case peerInfo = 0x07
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case ping = 0x08
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case pong = 0x09
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// 事件类型
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case event = 0x10
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// 流量统计
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case flowTracer = 0x15
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case register = 0x20
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case registerAck = 0x21
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case stunRequest = 0x30
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case stunProbe = 0x32
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case stunProbeReply = 0x33
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case data = 0xFF
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}
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// Id生成器
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struct SDLIdGenerator: Sendable {
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// 消息体id
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private var packetId: UInt32
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init(seed packetId: UInt32) {
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self.packetId = packetId
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}
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mutating func nextId() -> UInt32 {
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let packetId = self.packetId
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self.packetId = packetId + 1
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return packetId
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}
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}
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// 定义事件类型
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// --MARK: 网络类型探测
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// 探测的Attr属性
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enum SDLProbeAttr: UInt8 {
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case none = 0
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case port = 1
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case peer = 2
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}
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// Nak的错误类型，不同的错误客户端的处理逻辑不一样
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enum SDLNAKErrorCode: UInt8 {
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case invalidToken = 1
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case nodeDisabled = 2
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case noIpAddress = 3
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case networkFault = 4
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case internalFault = 5
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}
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extension SDLV4Info {
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func socketAddress() -> SocketAddress? {
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let address = "\(v4[0]).\(v4[1]).\(v4[2]).\(v4[3])"
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return try? SocketAddress.makeAddressResolvingHost(address, port: Int(port))
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}
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}
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extension SDLStunProbeReply {
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func socketAddress() -> SocketAddress? {
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let address = SDLUtil.int32ToIp(self.ip)
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return try? SocketAddress.makeAddressResolvingHost(address, port: Int(port))
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}
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}
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// --MARK: 进来的消息, 这里需要采用代数类型来表示
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enum SDLHoleMessage {
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case data(SDLData)
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case signal(SDLHoleSignal)
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}
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enum SDLHoleSignal {
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case registerSuperAck(SDLRegisterSuperAck)
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case registerSuperNak(SDLRegisterSuperNak)
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case peerInfo(SDLPeerInfo)
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case event(SDLEvent)
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case stunProbeReply(SDLStunProbeReply)
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case register(SDLRegister)
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case registerAck(SDLRegisterAck)
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}
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// 命令类型
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enum SDLEventType: UInt8 {
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case natChanged = 0x03
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case sendRegister = 0x04
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case networkShutdown = 0xFF
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}
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enum SDLEvent {
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case natChanged(SDLNatChangedEvent)
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case sendRegister(SDLSendRegisterEvent)
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case networkShutdown(SDLNetworkShutdownEvent)
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}
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