Document Manager subspec

Refactor notifications to newer Swift convention.

.jazzy.yaml

@@ -43,6 +43,16 @@ custom_categories:
         - NETunnelInterface
         - NEUDPSocket
         - NSNotification
+    - name: Manager
+      children:
+        - VPN
+        - VPNProvider
+        - MockVPNProvider
+        - StandardVPNProvider
+        - VPNConfiguration
+        - NetworkExtensionVPNConfiguration
+        - VPNStatus
+        - NSNotification
     - name: Protocols/OpenVPN
       children:
         - OpenVPN

Demo/BasicTunnel-iOS/ViewController.swift

@@ -62,7 +62,7 @@ class ViewController: UIViewController, URLSessionDataDelegate {
         NotificationCenter.default.addObserver(
             self,
             selector: #selector(VPNStatusDidChange(notification:)),
-            name: .VPNDidChangeStatus,
+            name: VPN.didChangeStatus,
             object: nil
         )
         

Demo/BasicTunnel-macOS/ViewController.swift

@@ -58,7 +58,7 @@ class ViewController: NSViewController {
         NotificationCenter.default.addObserver(
             self,
             selector: #selector(VPNStatusDidChange(notification:)),
-            name: .NEVPNStatusDidChange,
+            name: VPN.didChangeStatus,
             object: nil
         )
         

TunnelKit/Sources/AppExtension/InterfaceObserver.swift

@@ -44,7 +44,7 @@ private let log = SwiftyBeaver.self
 public class InterfaceObserver: NSObject {
 
     /// A change in Wi-Fi state occurred.
-    public static let didDetectWifiChange = NSNotification.Name("InterfaceObserverDidDetectWifiChange")
+    public static let didDetectWifiChange = Notification.Name("InterfaceObserverDidDetectWifiChange")
 
     private var queue: DispatchQueue?
     

TunnelKit/Sources/Manager/MockVPNProvider.swift

@@ -25,6 +25,7 @@
 
 import Foundation
 
+/// :nodoc:
 public class MockVPNProvider: VPNProvider {
     public let isPrepared: Bool = true
 
@@ -33,7 +34,7 @@ public class MockVPNProvider: VPNProvider {
     public private(set) var status: VPNStatus = .disconnected
     
     public func prepare(completionHandler: (() -> Void)?) {
-        NotificationCenter.default.post(name: .VPNDidPrepare, object: nil)
+        NotificationCenter.default.post(name: VPN.didPrepare, object: nil)
         completionHandler?()
     }
     
@@ -45,28 +46,28 @@ public class MockVPNProvider: VPNProvider {
     public func connect(completionHandler: ((Error?) -> Void)?) {
         isEnabled = true
         status = .connected
-        NotificationCenter.default.post(name: .VPNDidChangeStatus, object: self)
+        NotificationCenter.default.post(name: VPN.didChangeStatus, object: self)
         completionHandler?(nil)
     }
     
     public func disconnect(completionHandler: ((Error?) -> Void)?) {
         isEnabled = false
         status = .disconnected
-        NotificationCenter.default.post(name: .VPNDidChangeStatus, object: self)
+        NotificationCenter.default.post(name: VPN.didChangeStatus, object: self)
         completionHandler?(nil)
     }
     
     public func reconnect(configuration: VPNConfiguration, completionHandler: ((Error?) -> Void)?) {
         isEnabled = true
         status = .connected
-        NotificationCenter.default.post(name: .VPNDidChangeStatus, object: self)
+        NotificationCenter.default.post(name: VPN.didChangeStatus, object: self)
         completionHandler?(nil)
     }
     
     public func uninstall(completionHandler: (() -> Void)?) {
         isEnabled = false
         status = .disconnected
-        NotificationCenter.default.post(name: .VPNDidChangeStatus, object: self)
+        NotificationCenter.default.post(name: VPN.didChangeStatus, object: self)
         completionHandler?()
     }
     

TunnelKit/Sources/Manager/StandardVPNProvider.swift

@@ -26,6 +26,7 @@
 import Foundation
 import NetworkExtension
 
+/// :nodoc:
 public class StandardVPNProvider: VPNProvider {
     private let bundleIdentifier: String
     
@@ -83,7 +84,7 @@ public class StandardVPNProvider: VPNProvider {
     public func prepare(completionHandler: (() -> Void)?) {
         find(with: bundleIdentifier) {
             self.manager = $0
-            NotificationCenter.default.post(name: .VPNDidPrepare, object: nil)
+            NotificationCenter.default.post(name: VPN.didPrepare, object: nil)
             completionHandler?()
         }
     }
@@ -307,10 +308,10 @@ public class StandardVPNProvider: VPNProvider {
         }
         lastNotifiedStatus = status
 
-        NotificationCenter.default.post(name: .VPNDidChangeStatus, object: self)
+        NotificationCenter.default.post(name: VPN.didChangeStatus, object: self)
     }
 
     @objc private func vpnDidReinstall(_ notification: Notification) {
-        NotificationCenter.default.post(name: .VPNDidReinstall, object: self)
+        NotificationCenter.default.post(name: VPN.didReinstall, object: self)
     }
 }

TunnelKit/Sources/Manager/VPN.swift

@@ -25,6 +25,18 @@
 
 import Foundation
 
+/// Wrapper for shared access to VPN-related objects.
 public class VPN {
+    
+    /// The VPN became ready to use.
+    public static let didPrepare = Notification.Name("VPNDidPrepare")
+    
+    /// The VPN did change status.
+    public static let didChangeStatus = Notification.Name("VPNDidChangeStatus")
+
+    /// The VPN profile did (re)install.
+    public static let didReinstall = Notification.Name("VPNDidReinstall")
+
+    /// A singleton `VPNProvider` instance (default is a `MockVPNProvider`). Make sure to set this on app launch.
     public static var shared: VPNProvider = MockVPNProvider()
 }

TunnelKit/Sources/Manager/VPNConfiguration.swift

@@ -26,14 +26,20 @@
 import Foundation
 import NetworkExtension
 
+/// Generic marker for objects able to configure a `VPNProvider`.
 public protocol VPNConfiguration {
 }
 
+/// A `VPNConfiguration` built on top of NetworkExtension entities.
 public struct NetworkExtensionVPNConfiguration: VPNConfiguration {
+
+    /// The `NETunnelProviderProtocol` object embedding tunnel configuration.
     public let protocolConfiguration: NETunnelProviderProtocol
     
+    /// The on-demand rules to establish.
     public let onDemandRules: [NEOnDemandRule]
     
+    /// :nodoc:
     public init(protocolConfiguration: NETunnelProviderProtocol, onDemandRules: [NEOnDemandRule]) {
         self.protocolConfiguration = protocolConfiguration
         self.onDemandRules = onDemandRules

TunnelKit/Sources/Manager/VPNProvider.swift

@@ -25,36 +25,83 @@
 
 import Foundation
 
+/// Helps controlling a VPN without messing with underlying implementations.
 public protocol VPNProvider: class {
+
+    /// `true` if the VPN is ready for use.
     var isPrepared: Bool { get }
     
+    /// `true` if the associated VPN profile is enabled.
     var isEnabled: Bool { get }
     
+    /// The status of the VPN.
     var status: VPNStatus { get }
-    
+
+    /**
+     Prepares the VPN for use.
+     
+     - Postcondition: The VPN is ready to use and `isPrepared` becomes `true`.
+     - Parameter completionHandler: The completion handler.
+     - Seealso: `isPrepared`
+     */
     func prepare(completionHandler: (() -> Void)?)
     
+    /**
+     Installs the VPN profile.
+
+     - Parameter configuration: The `VPNConfiguration` to install.
+     - Parameter completionHandler: The completion handler with an optional error.
+     */
     func install(configuration: VPNConfiguration, completionHandler: ((Error?) -> Void)?)
     
+    /**
+     Connects to the VPN.
+
+     - Parameter completionHandler: The completion handler with an optional error.
+     */
     func connect(completionHandler: ((Error?) -> Void)?)
     
+    /**
+     Disconnects from the VPN.
+
+     - Parameter completionHandler: The completion handler with an optional error.
+     */
     func disconnect(completionHandler: ((Error?) -> Void)?)
     
+    /**
+     Reconnects to the VPN.
+
+     - Parameter configuration: The `VPNConfiguration` to install.
+     - Parameter completionHandler: The completion handler with an optional error.
+     */
     func reconnect(configuration: VPNConfiguration, completionHandler: ((Error?) -> Void)?)
     
+    /**
+     Uninstalls the VPN profile.
+
+     - Parameter completionHandler: The completion handler.
+     */
     func uninstall(completionHandler: (() -> Void)?)
     
+    /**
+     Request a debug log from the VPN.
+
+     - Parameter fallback: The block resolving to a fallback `String` if no debug log is available.
+     - Parameter completionHandler: The completion handler with the debug log.
+     */
     func requestDebugLog(fallback: (() -> String)?, completionHandler: @escaping (String) -> Void)
     
+    /**
+     Requests the current received/sent bytes count from the VPN.
+
+     - Parameter completionHandler: The completion handler with an optional received/sent bytes count.
+     */
     func requestBytesCount(completionHandler: @escaping ((UInt, UInt)?) -> Void)
 
+    /**
+     Requests the server configuration from the VPN.
+
+     - Parameter completionHandler: The completion handler with an optional configuration object.
+     */
     func requestServerConfiguration(completionHandler: @escaping (Any?) -> Void)
 }
-
-public extension Notification.Name {
-    static let VPNDidPrepare = Notification.Name("VPNDidPrepare")
-    
-    static let VPNDidChangeStatus = Notification.Name("VPNDidChangeStatus")
-
-    static let VPNDidReinstall = Notification.Name("VPNDidReinstall")
-}

TunnelKit/Sources/Manager/VPNStatus.swift

@@ -25,12 +25,18 @@
 
 import Foundation
 
+/// Status of a `VPNProvider`.
 public enum VPNStatus {
+
+    /// VPN is connected.
     case connected
     
+    /// VPN is attempting a connection.
     case connecting
     
+    /// VPN is disconnected.
     case disconnected
     
+    /// VPN is completing a disconnection.
     case disconnecting
 }