PATHMac OS 8 and 9 Developer Documentation > Networking and Communications > URL Access Manager >

Transferring Files With the URL Access Manager

State Constants

URL state constants are returned by URLGetCurrentState . The constants are defined in the URLState enumeration.

enum
{
    kURLNullState               = 0,
    kURLInitiatedState          = 1,
    reserved1                   = 2,
    reserved2                   = 3,
    kURLResourceFoundState      = 4,
    kURLDownloadingState        = 5,
    kURLDataAvailableState      = 0x10 + kURLDownloadingState,
    kURLTransactionCompleteState= 6,
    kURLErrorOccurredState      = 7,
    kURLAbortingState           = 8,
    kURLCompletedState          = 9,
    kURLUploadingState          = 10
    };
typedef UInt32 URLState;

Constant Descriptions

kURLNullState
The function URLOpen has not yet been called.
kURLInitiatingState
The function URLOpen has been called; however, the location specified by the URL reference has not yet been accessed. The stream enters this state from the kURLNullState state.
reserved1
Reserved.
reserved2
Reserved.
kURLResourceFoundState
The location specified by the URL reference has been accessed and is valid. The stream enters this state from the kURLInitiatingState state.
kURLDownloadingState
The download operation is in progress but there is currently no data in the buffers. The stream enters this state initially from the kURLResourceFoundState state. During a download operation, the stream's state may alternate between the kURLDownloadingState and the kURLDataAvailableState states.
kURLDataAvailableState
The download operation is in progress and data is available in the buffers. The stream initially enters this state from the kURLDownloadingState state. During a download operation, the stream's state may alternate between the kURLDownloadingState and the kURLDataAvailableState states.
kURLTransactionCompleteState
The download or upload operation is complete. The stream can enter this state from the kURLDownloadingState state.
kURLErrorOccurredState
An error occurred while transferring data. The stream can enter this state from any state except the kURLAbortingState state.
kURLAbortingState
The download or upload operation is aborting. The stream enters this state from the kURLErrorOccurredState state or as a result of calling URLAbort when the stream is in any other state.
kURLCompletedState
There is no more activity to be performed on this stream. The transferred has completed successfully, the transfer has been aborted, or an error has occurred. The stream enters this state from the kURLTransactionCompleteState or the kURLAbortingState state.
kURLUploadingState
The upload operation is in progress.
© 1999 Apple Computer, Inc. – (Last Updated 07 May 99)