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//
// SimulatorTunnelProviderManager.swift
// MullvadVPN
//
// Created by Jon Petersson on 2023-09-07.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
#if targetEnvironment(simulator)
import Foundation
import NetworkExtension
final class SimulatorTunnelProviderManager: NSObject, VPNTunnelProviderManagerProtocol {
static let tunnelsLock = NSRecursiveLock()
nonisolated(unsafe) fileprivate static var tunnels = [SimulatorTunnelInfo]()
private let lock = NSLock()
private var tunnelInfo: SimulatorTunnelInfo
private var identifier: String {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.identifier
}
var isOnDemandEnabled: Bool {
get {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.isOnDemandEnabled
}
set {
lock.lock()
tunnelInfo.isOnDemandEnabled = newValue
lock.unlock()
}
}
var onDemandRules: [NEOnDemandRule] {
get {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.onDemandRules
}
set {
lock.lock()
tunnelInfo.onDemandRules = newValue
lock.unlock()
}
}
var isEnabled: Bool {
get {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.isEnabled
}
set {
lock.lock()
tunnelInfo.isEnabled = newValue
lock.unlock()
}
}
var protocolConfiguration: NEVPNProtocol? {
get {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.protocolConfiguration
}
set {
lock.lock()
tunnelInfo.protocolConfiguration = newValue
lock.unlock()
}
}
var localizedDescription: String? {
get {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.localizedDescription
}
set {
lock.lock()
tunnelInfo.localizedDescription = newValue
lock.unlock()
}
}
var connection: SimulatorVPNConnection {
lock.lock()
defer { lock.unlock() }
return tunnelInfo.connection
}
static func loadAllFromPreferences(
completionHandler: (
[SimulatorTunnelProviderManager]?,
Error?
) -> Void
) {
Self.tunnelsLock.lock()
let tunnelProviders = tunnels.map { tunnelInfo in
SimulatorTunnelProviderManager(tunnelInfo: tunnelInfo)
}
Self.tunnelsLock.unlock()
completionHandler(tunnelProviders, nil)
}
override required init() {
tunnelInfo = SimulatorTunnelInfo()
super.init()
}
private init(tunnelInfo: SimulatorTunnelInfo) {
self.tunnelInfo = tunnelInfo
super.init()
}
func loadFromPreferences(completionHandler: (Error?) -> Void) {
var error: NEVPNError?
Self.tunnelsLock.lock()
if let savedTunnel = Self.tunnels.first(where: { $0.identifier == self.identifier }) {
tunnelInfo = savedTunnel
} else {
error = NEVPNError(.configurationInvalid)
}
Self.tunnelsLock.unlock()
completionHandler(error)
}
func saveToPreferences(completionHandler: ((Error?) -> Void)?) {
Self.tunnelsLock.lock()
if let index = Self.tunnels.firstIndex(where: { $0.identifier == self.identifier }) {
Self.tunnels[index] = tunnelInfo
} else {
Self.tunnels.append(tunnelInfo)
}
Self.tunnelsLock.unlock()
completionHandler?(nil)
}
func removeFromPreferences(completionHandler: ((Error?) -> Void)?) {
var error: NEVPNError?
Self.tunnelsLock.lock()
if let index = Self.tunnels.firstIndex(where: { $0.identifier == self.identifier }) {
Self.tunnels.remove(at: index)
} else {
error = NEVPNError(.configurationReadWriteFailed)
}
Self.tunnelsLock.unlock()
completionHandler?(error)
}
override func isEqual(_ object: Any?) -> Bool {
guard let other = object as? Self else { return false }
return self.identifier == other.identifier
}
}
#endif
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