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//
// RelaySelectorProtocol.swift
// PacketTunnel
//
// Created by pronebird on 08/08/2023.
// Copyright © 2023 Mullvad VPN AB. All rights reserved.
//
import Foundation
import MullvadSettings
import MullvadTypes
/// Protocol describing a type that can select a relay.
public protocol RelaySelectorProtocol {
func selectRelays(
tunnelSettings: LatestTunnelSettings,
connectionAttemptCount: UInt
) throws -> SelectedRelays
}
/// Struct describing the selected relay.
public struct SelectedRelay: Equatable, Codable, Sendable {
/// Selected relay endpoint.
public let endpoint: MullvadEndpoint
/// Relay hostname.
public let hostname: String
/// Relay geo location.
public let location: Location
/// Designated initializer.
public init(endpoint: MullvadEndpoint, hostname: String, location: Location) {
self.endpoint = endpoint
self.hostname = hostname
self.location = location
}
}
extension SelectedRelay: CustomDebugStringConvertible {
public var debugDescription: String {
"\(hostname) -> \(endpoint.ipv4Relay.description)"
}
}
public struct SelectedRelays: Equatable, Codable, Sendable {
public let entry: SelectedRelay?
public let exit: SelectedRelay
public let retryAttempt: UInt
public init(entry: SelectedRelay?, exit: SelectedRelay, retryAttempt: UInt) {
self.entry = entry
self.exit = exit
self.retryAttempt = retryAttempt
}
}
extension SelectedRelays: CustomDebugStringConvertible {
public var debugDescription: String {
"Entry: \(entry?.hostname ?? "-") -> \(entry?.endpoint.ipv4Relay.description ?? "-"), " +
"Exit: \(exit.hostname) -> \(exit.endpoint.ipv4Relay.description)"
}
}
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