CFNetwork Programming Guide.pdf

《CFNetwork Programming Guide.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、CFNetworkProgrammingGuideContentsIntroductiontoCFNetworkProgrammingGuide6OrganizationofThisDocument6SeeAlso7CFNetworkConcepts8WhentoUseCFNetwork8CFNetworkInfrastructure9CFSocketAPI9CFStreamAPI9CFNetworkAPIConcepts10CFFTPAPI11CFHTTPAPI11CFHTTPAuthentica

2、tionAPI12CFHostAPI13CFNetServicesAPI13CFNetDiagnosticsAPI13WorkingwithStreams15WorkingwithReadStreams15CreatingaReadStream15ReadingfromaReadStream16TearingDownaReadStream17Whenalldatahasbeenread,youshouldcalltheCFReadStreamClosefunctiontoclosethestream

3、,therebyreleasingsystemresourcesassociatedwithit.ThenreleasethestreamreferencebycallingthefunctionCFRelease.YoumayalsowanttoinvalidatethereferencebysettingittoNULL.SeeListing2-4foranexample.17WorkingwithWriteStreams17PreventingBlockingWhenWorkingwithSt

4、reams19UsingaRunLooptoPreventBlocking19PollingaNetworkStream22NavigatingFirewalls24CommunicatingwithHTTPServers28CreatingaCFHTTPRequest282012-06-11

5、Copyright©2012AppleInc.AllRightsReserved.2ContentsCreatingaCFHTTPResponse30DeserializinganIncomingHTTPRe

6、quest30DeserializinganIncomingHTTPResponse31UsingaReadStreamtoSerializeandSendHTTPRequests31SerializingandSendinganHTTPRequest31CheckingtheResponse32HandlingAuthenticationErrors33HandlingRedirectionErrors33CancelingaPendingRequest33CommunicatingwithAut

7、henticatingHTTPServers35HandlingAuthentication35KeepingCredentialsinMemory40KeepingCredentialsinaPersistentStore42AuthenticatingFirewalls47WorkingwithFTPServers48DownloadingaFile48SettingUptheFTPStreams48ImplementingtheCallbackFunction50UploadingaFile5

8、1CreatingaRemoteDirectory53DownloadingaDirectoryListing53UsingNetworkDiagnostics57DocumentRevisionHistory582012-06-11

9、Copyright©2012AppleInc.AllRightsReserved.3FiguresandListingsCFNetworkConcepts8Figure1-1CFNetworkandothersoftwarelayersonOSX8Figure1-2C

10、FStreamAPIstructure10Figure1-3Networkdiagnosticsassistant14WorkingwithStreams15Listing2-1Creatingareadstreamfromafile15Listing2-2Openingareadstream15Listing2-3Readingfromareadstream(blocking)16Listing2-4Releasingareadstream17Listing2-5C