Asynchronous HTTP Upload

Demonstrates how to do an HTTP upload asynchronously in a background thread. The Chilkat Upload software is freeware and may be used in both commercial and non-commercial applications and websites.

The C# code to receive the upload at http://www.chilkatsoft.com/receiveUpload.aspx may be seen here: C# ASP.NET Code to Receive Upload

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

#include <C_CkUpload.h>

void ChilkatSample(void)
    {
    HCkUpload upload;
    BOOL success;

    upload = CkUpload_Create();

    //  Specify the page (ASP, ASP.NET, Perl, Python, Ruby, CGI, etc)
    //  that will process the HTTP Upload.
    CkUpload_putHostname(upload,"www.chilkatsoft.com");
    CkUpload_putPath(upload,"/receiveUpload.aspx");

    //  Add one or more files to be uploaded.
    CkUpload_AddFileReference(upload,"file1","dude.gif");
    CkUpload_AddFileReference(upload,"file2","pigs.xml");
    CkUpload_AddFileReference(upload,"file3","sample.doc");

    //  Begin the HTTP upload in a background thread:

    success = CkUpload_BeginUpload(upload);
    if (success != TRUE) {
        printf("%s\n",CkUpload_lastErrorText(upload));
    }
    else {
        printf("Files uploaded!\n");
    }

    //  Wait for the upload to finish.
    //  Print the progress as we wait...
    while ((CkUpload_getUploadInProgress(upload) == TRUE)) {
        //  We can abort the upload at any point by calling:
        //  upload.AbortUpload();

        //  Display the percentage complete and the number of bytes uploaded so far..
        //  The total upload size will become set after the upload begins:
        printf("%d% %d/%d\n",CkUpload_getPercentUploaded(upload)
            ,CkUpload_getNumBytesSent(upload),CkUpload_getTotalUploadSize(upload));

        //  Sleep 2/10ths of a second.
        CkUpload_SleepMs(upload,200);

    }

    //  Did the upload succeed?
    if (CkUpload_getUploadSuccess(upload) == TRUE) {
        printf("Files uploaded!\n");
    }
    else {
        printf("%s\n",CkUpload_lastErrorText(upload));
    }


    CkUpload_Dispose(upload);

    }