change name to hiddifypackettunnel

ios/HiddifyPacketTunnel/TrafficReader.swift

@@ -0,0 +1,70 @@
+//
+//  TrafficReader.swift
+//  SingBoxPacketTunnel
+//
+//  Created by GFWFighter on 7/25/1402 AP.
+//
+
+import Foundation
+
+struct TrafficReaderUpdate: Codable {
+    let up: Int64
+    let down: Int64
+}
+
+
+class TrafficReader {
+    private var task: URLSessionWebSocketTask!
+    private let callback: (TrafficReaderUpdate) -> ()
+    
+    init(onUpdate: @escaping (TrafficReaderUpdate) -> ()) {
+        self.callback = onUpdate
+        Task(priority: .background) { [weak self] () in
+            await self?.setup()
+        }
+    }
+    
+    private func setup() async {
+        try? await Task.sleep(nanoseconds: 5_000_000_000)
+        //return
+        while true {
+            do {
+                let (_, response) = try await URLSession.shared.data(from: URL(string: "http://127.0.0.1:10864")!)
+                let code = (response as? HTTPURLResponse)?.statusCode ?? -1
+                if code >= 200 && code < 300 {
+                    break
+                }
+            } catch {
+                // pass
+            }
+            try? await Task.sleep(nanoseconds: 5_000_000)
+        }
+        let task = URLSession.shared.webSocketTask(with: URL(string: "ws://127.0.0.1:10864/traffic")!)
+        self.task = task
+        read()
+        task.resume()
+    }
+    
+    private func read() {
+        task.receive { [weak self] result in
+            switch result {
+            case .failure(_):
+                break
+            case .success(let message):
+                switch message {
+                case .string(let message):
+                    guard let data = message.data(using: .utf8) else {
+                        break
+                    }
+                    guard let response = try? JSONDecoder().decode(TrafficReaderUpdate.self, from: data) else {
+                        break
+                    }
+                    self?.callback(response)
+                default:
+                    break
+                }
+                self?.read()
+            }
+        }
+    }
+}