anlicheng/swiftlib_sdlan
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix context

Browse Source
This commit is contained in:
anlicheng 2025-08-01 23:37:19 +08:00
parent 29b9bebe87
commit 0fe9b43c08
1 changed files with 30 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
Sources/Punchnet/SDLContext.swift
View File

@ -78,6 +78,7 @@ public class SDLContext: @unchecked Sendable {
// 处理holer
private var holerPublishers: [Data:PassthroughSubject<RegisterRequest, Never>] = [:]
private var bag = Set<AnyCancellable>()
private var locker = NSLock()
struct RegisterRequest {
let srcMac: Data
@ -492,7 +493,7 @@ public class SDLContext: @unchecked Sendable {
else {
// 构造arp请求
let broadcastMac = Data([0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF])
let arpReqeust: ARPPacket = ARPPacket.arpRequest(senderIP: self.devAddr.netAddr, senderMAC: self.devAddr.mac, targetIP: dstIp)
let arpReqeust = ARPPacket.arpRequest(senderIP: self.devAddr.netAddr, senderMAC: self.devAddr.mac, targetIP: dstIp)
await self.routeLayerPacket(dstMac: broadcastMac, type: .arp, data: arpReqeust.marshal())
NSLog("[SDLContext] dstIp: \(dstIp) arp query not found")
@ -528,19 +529,26 @@ public class SDLContext: @unchecked Sendable {
// 尝试打洞
let registerRequest = RegisterRequest(srcMac: self.devAddr.mac, dstMac: dstMac, networkId: self.devAddr.networkID)
self.submitRegisterRequest(dstMac: dstMac, request: registerRequest)
self.submitRegisterRequest(request: registerRequest)
}
}
private func submitRegisterRequest(dstMac: Data, request: RegisterRequest) {
private func submitRegisterRequest(request: RegisterRequest) {
self.locker.lock()
defer {
self.locker.unlock()
}
let dstMac = request.dstMac
if let publisher = self.holerPublishers[dstMac] {
publisher.send(request)
} else {
let publisher = PassthroughSubject<RegisterRequest, Never>()
publisher.debounce(for: .seconds(5), scheduler: DispatchQueue.global())
.sink { request in
self.tryHole(request: request)
Task {
await self.tryHole(request: request)
}
}
.store(in: &self.bag)
@ -548,26 +556,24 @@ public class SDLContext: @unchecked Sendable {
}
}
private func tryHole(request: RegisterRequest) {
Task {
guard let message = try? await self.superClient?.queryInfo(dst_mac: request.dstMac).get() else {
return
}
switch message.packet {
case .empty:
SDLLogger.log("[SDLContext] hole query_info get empty: \(message)", level: .debug)
case .peerInfo(let peerInfo):
if let remoteAddress = peerInfo.v4Info.socketAddress() {
SDLLogger.log("[SDLContext] hole sock address: \(remoteAddress)", level: .warning)
// 发送register包
await self.udpHole?.sendRegister(remoteAddress: remoteAddress, networkId: request.networkId, srcMac: request.srcMac, dst_mac: request.dstMac)
} else {
SDLLogger.log("[SDLContext] hole sock address is invalid: \(peerInfo.v4Info)", level: .warning)
}
default:
SDLLogger.log("[SDLContext] hole query_info is packet: \(message)", level: .warning)
private func tryHole(request: RegisterRequest) async {
guard let message = try? await self.superClient?.queryInfo(dst_mac: request.dstMac).get() else {
return
}
switch message.packet {
case .empty:
SDLLogger.log("[SDLContext] hole query_info get empty: \(message)", level: .debug)
case .peerInfo(let peerInfo):
if let remoteAddress = peerInfo.v4Info.socketAddress() {
SDLLogger.log("[SDLContext] hole sock address: \(remoteAddress)", level: .warning)
// 发送register包
await self.udpHole?.sendRegister(remoteAddress: remoteAddress, networkId: request.networkId, srcMac: request.srcMac, dst_mac: request.dstMac)
} else {
SDLLogger.log("[SDLContext] hole sock address is invalid: \(peerInfo.v4Info)", level: .warning)
}
default:
SDLLogger.log("[SDLContext] hole query_info is packet: \(message)", level: .warning)
}
}