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//
// PacketTunnelOptions.swift
// PacketTunnelCore
//
// Created by pronebird on 22/08/2021.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import Foundation
import MullvadREST
public struct PacketTunnelOptions {
/// Keys for options dictionary
private enum Keys: String {
/// Option key that holds serialized `SelectedRelay` value encoded using `JSONEncoder`.
/// Used for passing the pre-selected relay in the GUI process to the Packet tunnel process.
case selectedRelays = "selected-relays"
/// Option key that holds an `NSNumber` value, which is when set to `1` indicates that the tunnel was started by the system.
/// System automatically provides that flag to the tunnel.
case isOnDemand = "is-on-demand"
}
private var _rawOptions: [String: NSObject]
public func rawOptions() -> [String: NSObject] {
_rawOptions
}
public init() {
_rawOptions = [:]
}
public init(rawOptions: [String: NSObject]) {
_rawOptions = rawOptions
}
public func getSelectedRelays() throws -> SelectedRelays? {
guard let data = _rawOptions[Keys.selectedRelays.rawValue] as? Data else { return nil }
return try Self.decode(SelectedRelays.self, data)
}
public mutating func setSelectedRelays(_ value: SelectedRelays) throws {
_rawOptions[Keys.selectedRelays.rawValue] = try Self.encode(value) as NSData
}
public func isOnDemand() -> Bool {
_rawOptions[Keys.isOnDemand.rawValue] as? Int == 1
}
/// Encode custom parameter value
private static func encode(_ value: some Codable) throws -> Data {
try JSONEncoder().encode(value)
}
/// Decode custom parameter value
private static func decode<T: Codable>(_ type: T.Type, _ data: Data) throws -> T {
try JSONDecoder().decode(T.self, from: data)
}
}
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