ios/MullvadSettings/TunnelSettingsV4.swift


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//
//  TunnelSettingsV4.swift
//  MullvadSettings
//
//  Created by Marco Nikic on 2024-02-06.
//  Copyright © 2025 Mullvad VPN AB. All rights reserved.
//

import Foundation
import MullvadTypes

public struct TunnelSettingsV4: Codable, Equatable, TunnelSettings {
    /// Relay constraints.
    public var relayConstraints: RelayConstraints

    /// DNS settings.
    public var dnsSettings: DNSSettings

    /// WireGuard obfuscation settings
    public var wireGuardObfuscation: WireGuardObfuscationSettings

    /// Whether Post Quantum exchanges are enabled.
    public var tunnelQuantumResistance: TunnelQuantumResistance

    public init(
        relayConstraints: RelayConstraints = RelayConstraints(),
        dnsSettings: DNSSettings = DNSSettings(),
        wireGuardObfuscation: WireGuardObfuscationSettings = WireGuardObfuscationSettings(),
        tunnelQuantumResistance: TunnelQuantumResistance = .automatic
    ) {
        self.relayConstraints = relayConstraints
        self.dnsSettings = dnsSettings
        self.wireGuardObfuscation = wireGuardObfuscation
        self.tunnelQuantumResistance = tunnelQuantumResistance
    }

    public func upgradeToNextVersion() -> any TunnelSettings {
        TunnelSettingsV5(
            relayConstraints: relayConstraints,
            dnsSettings: dnsSettings,
            wireGuardObfuscation: wireGuardObfuscation,
            tunnelQuantumResistance: tunnelQuantumResistance,
            tunnelMultihopState: .off
        )
    }
}