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// SPDX-License-Identifier: MIT
// Copyright © 2018 WireGuard LLC. All Rights Reserved.
import Foundation
import Network
struct DNSServer {
let address: IPAddress
init(address: IPAddress) {
self.address = address
}
}
extension DNSServer: Codable {
public func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(stringRepresentation)
}
public init(from decoder: Decoder) throws {
let values = try decoder.singleValueContainer()
let addressString = try values.decode(String.self)
if let address = IPv4Address(addressString) {
self.address = address
} else if let address = IPv6Address(addressString) {
self.address = address
} else {
throw DecodingError.invalidData
}
}
enum DecodingError: Error {
case invalidData
}
}
extension DNSServer {
var stringRepresentation: String {
return "\(address)"
}
init?(from addressString: String) {
if let addr = IPv4Address(addressString) {
address = addr
} else if let addr = IPv6Address(addressString) {
address = addr
} else {
return nil
}
}
}
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