CFNetworkErrors.h系统文件中包含iOS网络请求错误码
Xcode中 shift+command+o，搜索CFNetworkErrors即可找到
/*
File: CFNetwork/CFNetworkErrors.h
Contains: CFNetwork error header
Copyright: Copyright (c) 2006-2013 Apple Inc. All rights reserved.
Bugs?: For bug reports, consult the following page on
the World Wide Web:
http://developer.apple.com/bugreporter/
*/
#ifndef __CFNETWORKERRORS__
#define __CFNETWORKERRORS__
#ifndef __CFNETWORKDEFS__
#include <CFNetwork/CFNetworkDefs.h>
#endif
#ifndef __CFSTRING__
#include <CoreFoundation/CFString.h>
#endif
#if PRAGMA_ONCE
#pragma once
#endif
CF_EXTERN_C_BEGIN
CF_ASSUME_NONNULL_BEGIN
/*
* kCFErrorDomainCFNetwork
*
* Discussion:
* Error domain for all errors originating in CFNetwork. Error codes
* may be interpreted using the list below.
*
*/
CFN_EXPORT const CFStringRef kCFErrorDomainCFNetwork CF_AVAILABLE(10_5, 2_0);
/*
* kCFErrorDomainWinSock
*
* Discussion:
* On Windows, errors originating from WinSock are represented using
* this domain.
*
*/
CFN_EXPORT const CFStringRef kCFErrorDomainWinSock CF_AVAILABLE(10_5, 2_0);
/*
* CFNetworkErrors
*
* Discussion:
* The list of all public error codes returned under the error domain
* kCFErrorDomainCFNetwork
*/
typedef CF_ENUM(int, CFNetworkErrors) {
kCFHostErrorHostNotFound = 1,
kCFHostErrorUnknown = 2, // Query the kCFGetAddrInfoFailureKey to get the value returned from getaddrinfo; lookup in netdb.h
// SOCKS errors; in all cases you may query kCFSOCKSStatusCodeKey to recover the status code returned by the server
kCFSOCKSErrorUnknownClientVersion = 100,
kCFSOCKSErrorUnsupportedServerVersion = 101, // Query the kCFSOCKSVersionKey to find the version requested by the server
// SOCKS4-specific errors
kCFSOCKS4ErrorRequestFailed = 110, // request rejected or failed by the server
kCFSOCKS4ErrorIdentdFailed = 111, // request rejected because SOCKS server cannot connect to identd on the client
kCFSOCKS4ErrorIdConflict = 112, // request rejected because the client program and identd report different user-ids
kCFSOCKS4ErrorUnknownStatusCode = 113,
// SOCKS5-specific errors
kCFSOCKS5ErrorBadState = 120,
kCFSOCKS5ErrorBadResponseAddr = 121,
kCFSOCKS5ErrorBadCredentials = 122,
kCFSOCKS5ErrorUnsupportedNegotiationMethod = 123, // query kCFSOCKSNegotiationMethodKey to find the method requested
kCFSOCKS5ErrorNoAcceptableMethod = 124,
// FTP errors; query the kCFFTPStatusCodeKey to get the status code returned by the server
kCFFTPErrorUnexpectedStatusCode = 200,
// HTTP errors
kCFErrorHTTPAuthenticationTypeUnsupported = 300,
kCFErrorHTTPBadCredentials = 301,
kCFErrorHTTPConnectionLost = 302,
kCFErrorHTTPParseFailure = 303,
kCFErrorHTTPRedirectionLoopDetected = 304,
kCFErrorHTTPBadURL = 305,
kCFErrorHTTPProxyConnectionFailure = 306,
kCFErrorHTTPBadProxyCredentials = 307,
kCFErrorPACFileError = 308,
kCFErrorPACFileAuth = 309,
kCFErrorHTTPSProxyConnectionFailure = 310,
kCFStreamErrorHTTPSProxyFailureUnexpectedResponseToCONNECTMethod = 311,
// Error codes for CFURLConnection and CFURLProtocol
kCFURLErrorBackgroundSessionInUseByAnotherProcess = -996,
kCFURLErrorBackgroundSessionWasDisconnected = -997,
kCFURLErrorUnknown = -998,
kCFURLErrorCancelled = -999,
kCFURLErrorBadURL = -1000,
kCFURLErrorTimedOut = -1001,
kCFURLErrorUnsupportedURL = -1002,
kCFURLErrorCannotFindHost = -1003,
kCFURLErrorCannotConnectToHost = -1004,
kCFURLErrorNetworkConnectionLost = -1005,
kCFURLErrorDNSLookupFailed = -1006,
kCFURLErrorHTTPTooManyRedirects = -1007,
kCFURLErrorResourceUnavailable = -1008,
kCFURLErrorNotConnectedToInternet = -1009,
kCFURLErrorRedirectToNonExistentLocation = -1010,
kCFURLErrorBadServerResponse = -1011,
kCFURLErrorUserCancelledAuthentication = -1012,
kCFURLErrorUserAuthenticationRequired = -1013,
kCFURLErrorZeroByteResource = -1014,
kCFURLErrorCannotDecodeRawData = -1015,
kCFURLErrorCannotDecodeContentData = -1016,
kCFURLErrorCannotParseResponse = -1017,
kCFURLErrorInternationalRoamingOff = -1018,
kCFURLErrorCallIsActive = -1019,
kCFURLErrorDataNotAllowed = -1020,
kCFURLErrorRequestBodyStreamExhausted = -1021,
kCFURLErrorAppTransportSecurityRequiresSecureConnection = -1022,
kCFURLErrorFileDoesNotExist = -1100,
kCFURLErrorFileIsDirectory = -1101,
kCFURLErrorNoPermissionsToReadFile = -1102,
kCFURLErrorDataLengthExceedsMaximum = -1103,
kCFURLErrorFileOutsideSafeArea = -1104,
// SSL errors
kCFURLErrorSecureConnectionFailed = -1200,
kCFURLErrorServerCertificateHasBadDate = -1201,
kCFURLErrorServerCertificateUntrusted = -1202,
kCFURLErrorServerCertificateHasUnknownRoot = -1203,
kCFURLErrorServerCertificateNotYetValid = -1204,
kCFURLErrorClientCertificateRejected = -1205,
kCFURLErrorClientCertificateRequired = -1206,
kCFURLErrorCannotLoadFromNetwork = -2000,
// Download and file I/O errors
kCFURLErrorCannotCreateFile = -3000,
kCFURLErrorCannotOpenFile = -3001,
kCFURLErrorCannotCloseFile = -3002,
kCFURLErrorCannotWriteToFile = -3003,
kCFURLErrorCannotRemoveFile = -3004,
kCFURLErrorCannotMoveFile = -3005,
kCFURLErrorDownloadDecodingFailedMidStream = -3006,
kCFURLErrorDownloadDecodingFailedToComplete = -3007,
// Cookie errors
kCFHTTPCookieCannotParseCookieFile = -4000,
// Errors originating from CFNetServices
kCFNetServiceErrorUnknown = -72000L,
kCFNetServiceErrorCollision = -72001L,
kCFNetServiceErrorNotFound = -72002L,
kCFNetServiceErrorInProgress = -72003L,
kCFNetServiceErrorBadArgument = -72004L,
kCFNetServiceErrorCancel = -72005L,
kCFNetServiceErrorInvalid = -72006L,
kCFNetServiceErrorTimeout = -72007L,
kCFNetServiceErrorDNSServiceFailure = -73000L // An error from DNS discovery; look at kCFDNSServiceFailureKey to get the error number and interpret using dns_sd.h
};
/* Keys used by CFNetwork to pass additional error information back to the user within CFError's userInfo dictionary */
/*
* kCFURLErrorFailingURLErrorKey
*
* Discussion:
* When an NSURLConnection or NSURLDownload error occurs, this key's
* value is set to the URL which caused a load to fail
*
*/
CFN_EXPORT const CFStringRef kCFURLErrorFailingURLErrorKey CF_AVAILABLE(10_5, 2_2);
/*
* kCFURLErrorFailingURLStringErrorKey
*
* Discussion:
* When an NSURLConnection or NSURLDownload error occurs, this key's
* value is set to the CFString value of the URL which caused a load
* to fail
*
*/
CFN_EXPORT const CFStringRef kCFURLErrorFailingURLStringErrorKey CF_AVAILABLE(10_5, 2_2);
/*
* kCFGetAddrInfoFailureKey
*
* Discussion:
* When an error of kCFHostErrorUnknown is returned, this key's
* value is set to a CFNumber containing the raw error value
* returned by getaddrinfo()
*
*/
CFN_EXPORT const CFStringRef kCFGetAddrInfoFailureKey CF_AVAILABLE(10_5, 2_0);
/*
* kCFSOCKSStatusCodeKey
*
* Discussion:
* When a SOCKS failure has occurred, this key's value is set to a
* CFString containing the status value returned by the SOCKS server.
*
*/
CFN_EXPORT const CFStringRef kCFSOCKSStatusCodeKey CF_AVAILABLE(10_5, 2_0);
/*
* kCFSOCKSVersionKey
*
* Discussion:
* When an error of kCFSOCKSErrorUnsupportedServerVersion is
* returned, this key's value is set to a CFString containing the
* version number requested by the server.
*
*/
CFN_EXPORT const CFStringRef kCFSOCKSVersionKey CF_AVAILABLE(10_5, 2_0);
/*
* kCFSOCKSNegotiationMethodKey
*
* Discussion:
* When an error of kCFSOCKS5ErrorUnsupportedNegotiationMethod is
* returned, this key's value is set to a CFString containing the
* negotiation method requested by the server.
*
*/
CFN_EXPORT const CFStringRef kCFSOCKSNegotiationMethodKey CF_AVAILABLE(10_5, 2_0);
/*
* kCFDNSServiceFailureKey
*
* Discussion:
* When an error of kCFNetServicesErrorDNSServiceFailure is
* returned, this key's value is set to a CFNumber containing the
* value returned from DNS; interret it using the values dns_sd.h
*
*/
CFN_EXPORT const CFStringRef kCFDNSServiceFailureKey CF_AVAILABLE(10_5, 2_0);
/*
* kCFFTPStatusCodeKey
*
* Discussion:
* When an error of kCFFTPErrorUnexpectedStatusCode is returned,
* this key's value is set to a CFString containing the status code
* returned by the server
*
*/
CFN_EXPORT const CFStringRef kCFFTPStatusCodeKey CF_AVAILABLE(10_5, 2_0);
CF_ASSUME_NONNULL_END
CF_EXTERN_C_END
#endif /* __CFNETWORKERRORS__ */
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