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