NS_ENUM(NSInteger)
{
NSURLErrorUnknown = -1,
NSURLErrorCancelled = -999,
NSURLErrorBadURL = -1000,
NSURLErrorTimedOut = -1001,
NSURLErrorUnsupportedURL = -1002,
NSURLErrorCannotFindHost = -1003,
NSURLErrorCannotConnectToHost = -1004,
NSURLErrorNetworkConnectionLost = -1005,
NSURLErrorDNSLookupFailed = -1006,
NSURLErrorHTTPTooManyRedirects = -1007,
NSURLErrorResourceUnavailable = -1008,
NSURLErrorNotConnectedToInternet = -1009,
NSURLErrorRedirectToNonExistentLocation = -1010,
NSURLErrorBadServerResponse = -1011,
NSURLErrorUserCancelledAuthentication = -1012,
NSURLErrorUserAuthenticationRequired = -1013,
NSURLErrorZeroByteResource = -1014,
NSURLErrorCannotDecodeRawData = ? ? ? ? ? ? -1015,
NSURLErrorCannotDecodeContentData = ? ? ? ? -1016,
NSURLErrorCannotParseResponse = ? ? ? ? ? ? -1017,
NSURLErrorAppTransportSecurityRequiresSecureConnectionNS_ENUM_AVAILABLE(10_11,9_0) = -1022,
NSURLErrorFileDoesNotExist = -1100,
NSURLErrorFileIsDirectory = -1101,
NSURLErrorNoPermissionsToReadFile = -1102,
NSURLErrorDataLengthExceedsMaximumNS_ENUM_AVAILABLE(10_5,2_0) = -1103,
// SSL errors
NSURLErrorSecureConnectionFailed = -1200,
NSURLErrorServerCertificateHasBadDate = -1201,
NSURLErrorServerCertificateUntrusted = -1202,
NSURLErrorServerCertificateHasUnknownRoot = -1203,
NSURLErrorServerCertificateNotYetValid = -1204,
NSURLErrorClientCertificateRejected = -1205,
NSURLErrorClientCertificateRequired = -1206,
NSURLErrorCannotLoadFromNetwork = -2000,
// Download and file I/O errors
NSURLErrorCannotCreateFile = -3000,
NSURLErrorCannotOpenFile = -3001,
NSURLErrorCannotCloseFile = -3002,
NSURLErrorCannotWriteToFile = -3003,
NSURLErrorCannotRemoveFile = -3004,
NSURLErrorCannotMoveFile = -3005,
NSURLErrorDownloadDecodingFailedMidStream = -3006,
NSURLErrorDownloadDecodingFailedToComplete =-3007,
NSURLErrorInternationalRoamingOffNS_ENUM_AVAILABLE(10_7,3_0) = ? ? ? ? -1018,
NSURLErrorCallIsActiveNS_ENUM_AVAILABLE(10_7,3_0) =? ? ? ? ? ? ? ? ? ? -1019,
NSURLErrorDataNotAllowedNS_ENUM_AVAILABLE(10_7,3_0) =? ? ? ? ? ? ? ? ? -1020,
NSURLErrorRequestBodyStreamExhaustedNS_ENUM_AVAILABLE(10_7,3_0) =? ? ? -1021,
NSURLErrorBackgroundSessionRequiresSharedContainerNS_ENUM_AVAILABLE(10_10,8_0) = -995,
NSURLErrorBackgroundSessionInUseByAnotherProcessNS_ENUM_AVAILABLE(10_10,8_0) = -996,
NSURLErrorBackgroundSessionWasDisconnectedNS_ENUM_AVAILABLE(10_10,8_0)= -997,
};
