Reconnect VPN without disabling it

Retain on-demand flag to avoid leaks during reconnection.

Passepartout.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -51,7 +51,7 @@
         "repositoryURL": "https://github.com/passepartoutvpn/tunnelkit",
         "state": {
           "branch": null,
-          "revision": "36ed23ccc4e6083d671b6b823f50787b018f2844",
+          "revision": "e2aaffc06f1d59a96e55e77d2a70d15c7f58b585",
           "version": null
         }
       },

PassepartoutLibrary/Package.swift

@@ -24,7 +24,7 @@ let package = Package(
         // Dependencies declare other packages that this package depends on.
         // .package(url: /* package url */, from: "1.0.0"),
 //        .package(name: "TunnelKit", url: "https://github.com/passepartoutvpn/tunnelkit", from: "4.1.0"),
-        .package(name: "TunnelKit", url: "https://github.com/passepartoutvpn/tunnelkit", .revision("36ed23ccc4e6083d671b6b823f50787b018f2844")),
+        .package(name: "TunnelKit", url: "https://github.com/passepartoutvpn/tunnelkit", .revision("e2aaffc06f1d59a96e55e77d2a70d15c7f58b585")),
 //        .package(name: "TunnelKit", path: "../../tunnelkit"),
         .package(url: "https://github.com/zoul/generic-json-swift", from: "2.0.0"),
         .package(url: "https://github.com/SwiftyBeaver/SwiftyBeaver", from: "1.9.0")

PassepartoutLibrary/Sources/PassepartoutCore/Managers/VPNManager.swift

@@ -45,6 +45,8 @@ public protocol VPNManager {
     @discardableResult
     func connect(with profileId: UUID, toServer newServerId: String) async throws -> Profile
     
+    func reconnect() async
+
     func modifyActiveProfile(_ block: (inout Profile) -> Void) async throws
 
     func disable() async

PassepartoutLibrary/Sources/PassepartoutVPN/Managers/DefaultVPNManager.swift

@@ -97,11 +97,17 @@ public class DefaultVPNManager<ProfileManagerType: ProfileManagerWithCurrentProf
     }
     
     func reconnect(_ configuration: VPNConfiguration) async {
-        pp_log.info("Reconnecting VPN")
+        pp_log.info("Reconnecting VPN (with new configuration)")
         clearLastError()
         await strategy.connect(configuration: configuration)
     }
     
+    public func reconnect() async {
+        pp_log.info("Reconnecting VPN")
+        clearLastError()
+        await strategy.reconnect()
+    }
+    
     public func disable() async {
         pp_log.info("Disabling VPN")
         clearLastError()

PassepartoutLibrary/Sources/PassepartoutVPN/Managers/MockVPNManagerStrategy.swift

@@ -59,6 +59,23 @@ public class MockVPNManagerStrategy: VPNManagerStrategy {
         }
     }
 
+    @MainActor
+    public func reconnect() async {
+        guard currentState?.vpnStatus == .connected else {
+            return
+        }
+        Task {
+            currentState?.vpnStatus = .disconnecting
+            await Task.maybeWait(forMilliseconds: 1000)
+            currentState?.vpnStatus = .disconnected
+            await Task.maybeWait(forMilliseconds: 1000)
+            currentState?.vpnStatus = .connecting
+            await Task.maybeWait(forMilliseconds: 1000)
+            currentState?.vpnStatus = .connected
+            currentState?.dataCount = nil
+        }
+    }
+    
     @MainActor
     public func disconnect() {
         stopCountingData()

PassepartoutLibrary/Sources/PassepartoutVPN/Managers/TunnelKitVPNManagerStrategy.swift

@@ -44,6 +44,8 @@ public class TunnelKitVPNManagerStrategy: VPNManagerStrategy {
         }
     }
     
+    private static let reconnectionSeconds = 2
+
     private let appGroup: String
     
     private let tunnelBundleIdentifier: (VPNProtocolType) -> String
@@ -149,13 +151,19 @@ public class TunnelKitVPNManagerStrategy: VPNManagerStrategy {
                 bundleIdentifier,
                 configuration: configuration.neConfiguration,
                 extra: configuration.neExtra,
-                after: .seconds(2)
+                after: .seconds(Self.reconnectionSeconds)
             )
         } catch {
             pp_log.error("Unable to connect: \(error)")
         }
     }
     
+    public func reconnect() async {
+        try? await vpn.reconnect(
+            after: .seconds(Self.reconnectionSeconds)
+        )
+    }
+    
     public func disconnect() async {
         await vpn.disconnect()
     }

PassepartoutLibrary/Sources/PassepartoutVPN/Managers/VPNManagerStrategy.swift

@@ -34,6 +34,8 @@ public protocol VPNManagerStrategy {
 
     func connect(configuration: VPNConfiguration) async
     
+    func reconnect() async
+
     func disconnect() async
 
     func removeConfigurations() async