Add ios command client

ios/Runner/Handlers/LogsEventHandler.swift

@@ -1,16 +1,11 @@
-//
-//  LogsEventHandler.swift
-//  Runner
-//
-//  Created by GFWFighter on 10/24/23.
-//
-
 import Foundation
+import Combine
 
 public class LogsEventHandler: NSObject, FlutterPlugin, FlutterStreamHandler {
     static let name = "\(Bundle.main.serviceIdentifier)/service.logs"
     
     private var channel: FlutterEventChannel?
+    private var cancellable: AnyCancellable?
     
     public static func register(with registrar: FlutterPluginRegistrar) {
         let instance = LogsEventHandler()
@@ -19,13 +14,15 @@ public class LogsEventHandler: NSObject, FlutterPlugin, FlutterStreamHandler {
     }
     
     public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
-        if VPNManager.shared.logCallback {
-            events(VPNManager.shared.logList)
+        VPNManager.shared.logClient?.connect()
+        cancellable = VPNManager.shared.logClient?.$logList.sink { [events] logsList in
+            events(logsList)
         }
         return nil
     }
     
     public func onCancel(withArguments arguments: Any?) -> FlutterError? {
+        cancellable?.cancel()
         return nil
     }
 }

ios/Runner/VPN/VPNManager.swift

@@ -41,6 +41,7 @@ class VPNManager: ObservableObject {
     @Published private(set) var elapsedTime: TimeInterval = 0
     @Published private(set) var logList: [String] = []
     @Published private(set) var logCallback = false
+    private(set) var logClient: CommandClient?
     
     private var _connectTime: Date?
     private var connectTime: Date? {
@@ -73,6 +74,8 @@ class VPNManager: ObservableObject {
             updateStats()
             elapsedTime = -1 * (connectTime?.timeIntervalSinceNow ?? 0)
         }
+        
+        logClient = CommandClient(.log)
     }
                 
     deinit {