feat: Added stats stream for ios

ios/Runner.xcodeproj/project.pbxproj

@@ -30,6 +30,7 @@
 		073695782B39DB2B007249BE /* Libcore.xcframework in Frameworks */ = {isa = PBXBuildFile; fileRef = 073695722B39DA23007249BE /* Libcore.xcframework */; };
 		073695882B3AC757007249BE /* Libcore.xcframework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 073695722B39DA23007249BE /* Libcore.xcframework */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		0736958B2B3AC96D007249BE /* Bundle+Properties.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0736958A2B3AC96D007249BE /* Bundle+Properties.swift */; };
+		0736958D2B3B79E0007249BE /* StatsEventHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0736958C2B3B79E0007249BE /* StatsEventHandler.swift */; };
 		075637BA2B01583F005AFB8E /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 60F1D4AAC33ACF5C8307310D /* Pods_Runner.framework */; };
 		075637BB2B01583F005AFB8E /* Pods_Runner.framework in Embed Frameworks (2 items) */ = {isa = PBXBuildFile; fileRef = 60F1D4AAC33ACF5C8307310D /* Pods_Runner.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		075637BC2B015864005AFB8E /* NetworkExtension.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 03E392B72ADDA00E000ADF15 /* NetworkExtension.framework */; };
@@ -130,6 +131,7 @@
 		073695722B39DA23007249BE /* Libcore.xcframework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcframework; name = Libcore.xcframework; path = Frameworks/Libcore.xcframework; sourceTree = "<group>"; };
 		0736957A2B39DE78007249BE /* Libcore.xcframework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcframework; name = Libcore.xcframework; path = Frameworks/Libcore.xcframework; sourceTree = "<group>"; };
 		0736958A2B3AC96D007249BE /* Bundle+Properties.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Bundle+Properties.swift"; sourceTree = "<group>"; };
+		0736958C2B3B79E0007249BE /* StatsEventHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatsEventHandler.swift; sourceTree = "<group>"; };
 		075637B22B0157CB005AFB8E /* libcore.xcframework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcframework; name = libcore.xcframework; path = ../libcore/bin/libcore.xcframework; sourceTree = "<group>"; };
 		07A63A832B1E728C00CAFA4D /* Release */ = {isa = PBXFileReference; lastKnownFileType = folder; name = Release; path = ../build/ios/framework/release; sourceTree = "<group>"; };
 		07A63A842B1E72AE00CAFA4D /* App.xcframework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcframework; name = App.xcframework; path = ../build/ios/framework/release/App.xcframework; sourceTree = "<group>"; };
@@ -229,6 +231,7 @@
 				03B5166A2AE7315E00EA47E2 /* AlertsEventHandler.swift */,
 				03B5166C2AE7325500EA47E2 /* LogsEventHandler.swift */,
 				03B5167C2AE7AC6200EA47E2 /* GroupsEventHandler.swift */,
+				0736958C2B3B79E0007249BE /* StatsEventHandler.swift */,
 			);
 			path = Handlers;
 			sourceTree = "<group>";
@@ -674,6 +677,7 @@
 				03B516712AE74CCD00EA47E2 /* VPNConfig.swift in Sources */,
 				03B5166B2AE7315E00EA47E2 /* AlertsEventHandler.swift in Sources */,
 				0736958B2B3AC96D007249BE /* Bundle+Properties.swift in Sources */,
+				0736958D2B3B79E0007249BE /* StatsEventHandler.swift in Sources */,
 				03B516692AE7306B00EA47E2 /* StatusEventHandler.swift in Sources */,
 				032158B82ADDF8BF008D943B /* VPNManager.swift in Sources */,
 				03B516672AE6B93A00EA47E2 /* MethodHandler.swift in Sources */,

ios/Runner/AppDelegate.swift

@@ -27,6 +27,7 @@ import Libcore
         AlertsEventHandler.register(with: self.registrar(forPlugin: AlertsEventHandler.name)!)
         LogsEventHandler.register(with: self.registrar(forPlugin: LogsEventHandler.name)!)
         GroupsEventHandler.register(with: self.registrar(forPlugin: GroupsEventHandler.name)!)
+        StatsEventHandler.register(with: self.registrar(forPlugin: StatsEventHandler.name)!)
     }
 }
 

ios/Runner/Handlers/GroupsEventHandler.swift

@@ -33,8 +33,8 @@ public class GroupsEventHandler: NSObject, FlutterPlugin, FlutterStreamHandler,
     
     private var channel: FlutterEventChannel?
     
-    var commandClient: LibboxCommandClient?
+    private var commandClient: LibboxCommandClient?
-    var events: FlutterEventSink?
+    private var events: FlutterEventSink?
     
     public static func register(with registrar: FlutterPluginRegistrar) {
         let instance = GroupsEventHandler()

ios/Runner/Handlers/StatsEventHandler.swift

@@ -6,3 +6,65 @@
 //
 
 import Foundation
+import Flutter
+import Libcore
+
+public class StatsEventHandler: NSObject, FlutterPlugin, FlutterStreamHandler, LibboxCommandClientHandlerProtocol {
+    static let name = "\(Bundle.main.serviceIdentifier)/stats"
+    
+    private var channel: FlutterEventChannel?
+    
+    private var commandClient: LibboxCommandClient?
+    private var events: FlutterEventSink?
+    
+    public static func register(with registrar: FlutterPluginRegistrar) {
+        let instance = StatsEventHandler()
+        instance.channel = FlutterEventChannel(name: Self.name, binaryMessenger: registrar.messenger())
+        instance.channel?.setStreamHandler(instance)
+    }
+    
+    public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
+        FileManager.default.changeCurrentDirectoryPath(FilePath.sharedDirectory.path)
+        self.events = events
+        let opts = LibboxCommandClientOptions()
+        opts.command = LibboxCommandStatus
+        opts.statusInterval = 300
+        commandClient = LibboxCommandClient(self, options: opts)
+        try? commandClient?.connect()
+        return nil
+    }
+    
+    public func onCancel(withArguments arguments: Any?) -> FlutterError? {
+        try? commandClient?.disconnect()
+        return nil
+    }
+    
+    public func writeStatus(_ message: LibboxStatusMessage?) {
+        guard 
+            let message
+        else { return }
+        let data = [
+            "connections-in": message.connectionsIn,
+            "connections-out": message.connectionsOut,
+            "uplink": message.uplink,
+            "downlink": message.downlink,
+            "uplink-total": message.uplinkTotal,
+            "downlink-total": message.downlinkTotal
+        ] as [String:Any]
+        guard
+            let json = try? JSONSerialization.data(withJSONObject: data),
+            let json = String(data: json, encoding: .utf8)
+        else { return }
+        events?(json)
+    }
+}
+
+extension StatsEventHandler {
+    public func clearLog() {}
+    public func connected() {}
+    public func disconnected(_ message: String?) {}
+    public func initializeClashMode(_ modeList: LibboxStringIteratorProtocol?, currentMode: String?) {}
+    public func updateClashMode(_ newMode: String?) {}
+    public func writeGroups(_ message: LibboxOutboundGroupIteratorProtocol?) {}
+    public func writeLog(_ message: String?) {}
+}