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fix

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anlicheng 2026-02-03 23:45:03 +08:00
parent 55ea1cd09d
commit 57e360bee2
5 changed files with 98 additions and 22 deletions
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42
Tun/Punchnet/SDLAddressResolver.swift Normal file
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@ -0,0 +1,42 @@
//
// SDLAddressResolverPool.swift
// Tun
//
// Created by 安礼成 on 2026/2/3.
//
import Foundation
import NIOCore
import NIOPosix
actor SDLAddressResolver {
static let shared = SDLAddressResolver(threads: System.coreCount)
private let pool: NIOThreadPool
private var cache: [String: SocketAddress] = [:]
private init(threads: Int = 2) {
self.pool = NIOThreadPool(numberOfThreads: threads)
self.pool.start()
}
func resolve(host: String, port: Int) async throws -> SocketAddress {
let key = "\(host):\(port)"
if let cached = cache[key] {
return cached
}
let address = try await pool.runIfActive {
try SocketAddress.makeAddressResolvingHost(host, port: port)
}
cache[key] = address
return address
}
deinit {
pool.shutdownGracefully { _ in }
}
}

33
Tun/Punchnet/SDLContextActor.swift
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@ -78,18 +78,21 @@ actor SDLContextActor {
self.loopChildWorkers.append(spawnLoop {
let noticeClient = try self.startNoticeClient()
self.logger.log("[SDLContext] noticeClient running!!!!")
try await noticeClient.waitClose()
self.logger.log("[SDLContext] noticeClient closed!!!!")
})
self.loopChildWorkers.append(spawnLoop {
let dnsClient = try await self.startDnsClient()
self.logger.log("[SDLContext] dns running!!!!")
try await dnsClient.waitClose()
self.logger.log("[SDLContext] dns closed!!!!")
})
self.loopChildWorkers.append(spawnLoop {
let udpHole = try await self.startUDPHole()
self.logger.log("[SDLContext] udp running!!!!")
try await udpHole.waitClose()
self.logger.log("[SDLContext] udp closed!!!!")
})
@ -98,6 +101,8 @@ actor SDLContextActor {
private func startNoticeClient() throws -> SDLNoticeClient {
// 启动noticeClient
let noticeClient = try SDLNoticeClient(noticePort: self.config.noticePort, logger: self.logger)
noticeClient.start()
self.logger.log("[SDLContext] noticeClient started")
self.noticeClient = noticeClient
@ -114,13 +119,13 @@ actor SDLContextActor {
self.logger.log("[SDLContext] monitor started")
self.monitor = monitor
self.monitorWorker = Task {
self.monitorWorker = Task.detached {
for await event in monitor.eventStream {
switch event {
case .changed:
// 需要重新探测网络的nat类型
//self.natType = await self.getNatType()
self.logger.log("didNetworkPathChanged, nat type is: \(self.natType)", level: .info)
self.logger.log("didNetworkPathChanged, nat type is:", level: .info)
case .unreachable:
self.logger.log("didNetworkPathUnreachable", level: .warning)
}
@ -138,7 +143,7 @@ actor SDLContextActor {
try dnsClient.start()
self.logger.log("[SDLContext] dnsClient started")
self.dnsClient = dnsClient
self.dnsWorker = Task {
self.dnsWorker = Task.detached {
// 处理事件流
for await packet in dnsClient.packetFlow {
if Task.isCancelled {
@ -184,17 +189,17 @@ actor SDLContextActor {
}
// 处理数据流
let dataTask = Task {
let dataTask = Task.detached {
for await data in udpHole.dataStream {
if Task.isCancelled {
break
}
try? self.handleData(data: data)
try? await self.handleData(data: data)
}
}
// 处理控制信号
let signalTask = Task {
let signalTask = Task.detached {
for await(remoteAddress, signal) in udpHole.signalStream {
if Task.isCancelled {
break
@ -204,17 +209,17 @@ actor SDLContextActor {
case .registerSuperAck(let registerSuperAck):
await self.handleRegisterSuperAck(registerSuperAck: registerSuperAck)
case .registerSuperNak(let registerSuperNak):
self.handleRegisterSuperNak(nakPacket: registerSuperNak)
await self.handleRegisterSuperNak(nakPacket: registerSuperNak)
case .peerInfo(let peerInfo):
await self.puncherActor?.handlePeerInfo(peerInfo: peerInfo)
case .event(let event):
try? self.handleEvent(event: event)
try? await self.handleEvent(event: event)
case .stunProbeReply(let probeReply):
await self.proberActor?.handleProbeReply(reply: probeReply)
case .register(let register):
try? self.handleRegister(remoteAddress: remoteAddress, register: register)
try? await self.handleRegister(remoteAddress: remoteAddress, register: register)
case .registerAck(let registerAck):
self.handleRegisterAck(remoteAddress: remoteAddress, registerAck: registerAck)
await self.handleRegisterAck(remoteAddress: remoteAddress, registerAck: registerAck)
}
}
}
@ -305,9 +310,11 @@ actor SDLContextActor {
// 服务器分配的tun网卡信息
do {
let ipAddress = try await self.providerAdapter.setNetworkSettings(networkAddress: self.config.networkAddress, dnsServer: SDLDNSClient.Helper.dnsServer)
self.logger.log("[SDLContext] setNetworkSettings successed")
self.noticeClient?.send(data: NoticeMessage.ipAdress(ip: ipAddress))
self.logger.log("[SDLContext] send ip successed")
self.startReader()
self.logger.log("[SDLContext] reader started")
} catch let err {
self.logger.log("[SDLContext] setTunnelNetworkSettings get error: \(err)", level: .error)
exit(-1)
@ -464,7 +471,7 @@ actor SDLContextActor {
self.readTask?.cancel()
// 开启新的任务
self.readTask = Task(priority: .high) {
self.readTask = Task.detached(priority: .high) {
while true {
if Task.isCancelled {
return
@ -473,7 +480,7 @@ actor SDLContextActor {
let packets = await self.providerAdapter.readPackets()
let ipPackets = packets.compactMap { IPPacket($0) }
for ipPacket in ipPackets {
self.dealPacket(packet: ipPacket)
await self.dealPacket(packet: ipPacket)
}
}
}

37
Tun/Punchnet/SDLNoticeClient.swift
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@ -21,6 +21,9 @@ import NIOPosix
// 处理和sn-server服务器之间的通讯
final class SDLNoticeClient {
private let group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
let (writeStream, writeContinuation) = AsyncStream<Data>.makeStream(of: Data.self)
private var task: Task<Void, Never>?
private var channel: Channel
private let logger: SDLLogger
private let noticePort: Int
@ -40,22 +43,46 @@ final class SDLNoticeClient {
self.logger.log("[SDLNoticeClient] started", level: .debug)
}
// 处理写入逻辑
func send(data: Data) {
if let remoteAddress = try? SocketAddress(ipAddress: "127.0.0.1", port: noticePort) {
func start() {
let channel = self.channel
self.task = Task.detached {
self.logger.log("[SDLNoticeClient] task 11", level: .debug)
guard let remoteAddress = try? await SDLAddressResolver.shared.resolve(host: "127.0.0.1", port: self.noticePort) else {
self.logger.log("[SDLNoticeClient] task 22", level: .debug)
return
}
for await data in self.writeStream {
if Task.isCancelled {
self.logger.log("[SDLNoticeClient] task 33", level: .debug)
break
}
self.logger.log("[SDLNoticeClient] task 44", level: .debug)
self.logger.log("[SDLNoticeClient] send packet", level: .debug)
let buf = channel.allocator.buffer(bytes: data)
let envelope = AddressedEnvelope<ByteBuffer>(remoteAddress: remoteAddress, data: buf)
self.channel.eventLoop.execute {
self.channel.writeAndFlush(envelope, promise: nil)
channel.eventLoop.execute {
channel.writeAndFlush(envelope, promise: nil)
}
}
}
}
// 处理写入逻辑
func send(data: Data) {
self.writeContinuation.yield(data)
}
func waitClose() async throws {
try await self.channel.closeFuture.get()
}
deinit {
self.writeContinuation.finish()
self.task?.cancel()
try? self.group.syncShutdownGracefully()
}

2
Tun/Punchnet/SDLTunnelProviderAdapter.swift
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@ -60,7 +60,7 @@ final class SDLTunnelProviderAdapter {
dnsSettings.matchDomains = [networkDomain]
dnsSettings.matchDomainsNoSearch = false
networkSettings.dnsSettings = dnsSettings
self.logger.log("[SDLContext] Tun started at network ip: \(netAddress.ipAddress), mask: \(netAddress.maskAddress)", level: .info)
self.logger.log("[SDLTunnelProviderAdapter] Tun started at network ip: \(netAddress.ipAddress), mask: \(netAddress.maskAddress)", level: .info)
let ipv4Settings = NEIPv4Settings(addresses: [netAddress.ipAddress], subnetMasks: [netAddress.maskAddress])
// 设置路由表

2
Tun/Punchnet/SDLUDPHole.swift
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@ -133,7 +133,7 @@ final class SDLUDPHole: ChannelInboundHandler {
buffer.writeBytes(data)
let envelope = AddressedEnvelope<ByteBuffer>(remoteAddress: remoteAddress, data: buffer)
channel.eventLoop.execute {
_ = channel.eventLoop.submit {
channel.writeAndFlush(envelope, promise: nil)
}
}