mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
41d9c2cc59
The SDK directory is now confusing as the Windows target also has a SDK overlay. In order to make this more uniform, move the SDK directory to Darwin which covers the fact that this covers the XNU family of OSes. The Windows directory contains the SDK overlay for the Windows target.
74 lines
2.5 KiB
Swift
74 lines
2.5 KiB
Swift
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2018 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
import Darwin
|
|
import Security
|
|
import _SwiftNetworkOverlayShims
|
|
|
|
/// NWError is a type to deliver error codes relevant to NWConnection and NWListener objects.
|
|
/// Generic connectivity errors will be delivered in the posix domain, resolution errors will
|
|
/// be delivered in the dns domain, and security errors will be delivered in the tls domain.
|
|
@available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
|
|
public enum NWError: Error, CustomDebugStringConvertible, Equatable {
|
|
|
|
/// The error code will be a POSIX error as defined in <sys/errno.h>
|
|
case posix(POSIXErrorCode)
|
|
|
|
/// The error code will be a DNSServiceErrorType error as defined in <dns_sd.h>
|
|
case dns(DNSServiceErrorType)
|
|
|
|
/// The error code will be a TLS error as defined in <Security/SecureTransport.h>
|
|
case tls(OSStatus)
|
|
|
|
internal init(_ nw: nw_error_t) {
|
|
switch nw_error_get_error_domain(nw) {
|
|
case Network.nw_error_domain_posix:
|
|
if let errorCode = POSIXErrorCode(rawValue: nw_error_get_error_code(nw)) {
|
|
self = .posix(errorCode)
|
|
} else {
|
|
self = .posix(.EINVAL)
|
|
}
|
|
case Network.nw_error_domain_dns:
|
|
self = .dns(DNSServiceErrorType(nw_error_get_error_code(nw)))
|
|
case Network.nw_error_domain_tls:
|
|
self = .tls(OSStatus(nw_error_get_error_code(nw)))
|
|
default:
|
|
self = .posix(.EINVAL)
|
|
}
|
|
}
|
|
|
|
internal init?(_ nw: nw_error_t?) {
|
|
guard let nw = nw else {
|
|
return nil
|
|
}
|
|
self.init(nw)
|
|
}
|
|
|
|
public var debugDescription: String {
|
|
switch self {
|
|
case .posix(let posixError):
|
|
let maxLen = 128
|
|
let storage = UnsafeMutablePointer<Int8>.allocate(capacity: maxLen)
|
|
var asString = "Unknown"
|
|
if strerror_r(posixError.rawValue, storage, maxLen) == 0 {
|
|
asString = String(cString: storage)
|
|
}
|
|
storage.deallocate()
|
|
return String("\(posixError): \(asString)")
|
|
case .dns(let dnsError):
|
|
return String("\(dnsError): \(String(cString: nwlog_get_string_for_dns_service_error(Int32(dnsError))))")
|
|
case .tls(let tlsError):
|
|
return String("\(tlsError): \(String(describing: SecCopyErrorMessageString(Int32(tlsError), nil)))")
|
|
}
|
|
}
|
|
}
|