Add read WIFI state support

Library/Network/CommandClient.swift

@@ -94,6 +94,9 @@ public class CommandClient: ObservableObject {
 
         func connected() {
             DispatchQueue.main.async { [self] in
+                if commandClient.connectionType == .log {
+                    commandClient.logList = []
+                }
                 commandClient.isConnected = true
             }
         }

Library/Network/ExtensionPlatformInterface.swift

@@ -1,6 +1,9 @@
 import Foundation
 import Libbox
 import NetworkExtension
+#if canImport(CoreWLAN)
+    import CoreWLAN
+#endif
 
 public class ExtensionPlatformInterface: NSObject, LibboxPlatformInterfaceProtocol, LibboxCommandServerHandlerProtocol {
     private let tunnel: ExtensionProvider
@@ -172,6 +175,31 @@ public class ExtensionPlatformInterface: NSObject, LibboxPlatformInterfaceProtoc
         tunnel.reasserting = false
     }
 
+    public func readWIFIState() -> LibboxWIFIState? {
+        #if os(iOS)
+            let network = runBlocking {
+                await NEHotspotNetwork.fetchCurrent()
+            }
+            guard let network else {
+                return nil
+            }
+            return LibboxWIFIState(network.ssid, wifiBSSID: network.bssid)!
+        #elseif os(macOS)
+            guard let interface = CWWiFiClient.shared().interface() else {
+                return nil
+            }
+            guard let ssid = interface.ssid() else {
+                return nil
+            }
+            guard let bssid = interface.bssid() else {
+                return nil
+            }
+            return LibboxWIFIState(ssid, wifiBSSID: bssid)!
+        #else
+            return nil
+        #endif
+    }
+
     public func serviceReload() throws {
         runBlocking { [self] in
             await tunnel.reloadService()

Library/Network/ExtensionProvider.swift

@@ -108,14 +108,15 @@ open class ExtensionProvider: NEPacketTunnelProvider {
         guard let service else {
             return
         }
+        commandServer.setService(service)
         do {
             try service.start()
         } catch {
+            commandServer.setService(nil)
             writeError("(packet-tunnel) error: start service: \(error.localizedDescription)")
             return
         }
         boxService = service
-        commandServer.setService(service)
         #if os(macOS)
             await SharedPreferences.startedByUser.set(true)
         #endif