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Unicode C

Restart/Resume FTP Upload

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Demonstrates how to restart / resume an FTP upload.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkFtp2W.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkFtp2W ftp;
    const wchar_t *localFilename;
    const wchar_t *remoteFilename;

    success = FALSE;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    ftp = CkFtp2W_Create();

    CkFtp2W_putHostname(ftp,L"ftp.example.com");
    CkFtp2W_putUsername(ftp,L"login");
    CkFtp2W_putPassword(ftp,L"password");

    //  Connect and login to the FTP server.
    success = CkFtp2W_Connect(ftp);
    if (success != TRUE) {
        wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp));
        CkFtp2W_Dispose(ftp);
        return;
    }

    //  Change to the remote directory where the file will be uploaded.
    success = CkFtp2W_ChangeRemoteDir(ftp,L"temp");
    if (success != TRUE) {
        wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp));
        CkFtp2W_Dispose(ftp);
        return;
    }

    //  In this example, assume that a previous FTP upload failed,
    //  and the incomplete file (bigFile.zip) exists on the FTP server.
    //  You only need to set the RestartNext property to resume
    //  the upload.  When RestartNext is set, the next call
    //  to PutFile (or PutFileFromBinaryData, PutFileFromTextData)
    //  will automatically resume the upload from the point of failure.
    //  (The way it works is that the FTP component sends a "SIZE";
    //  command to the FTP server to find out how many bytes of
    //  the file already exist on the server.  It then begins
    //  uploading from that point.

    //  Note: After PutFile is called, the RestartNext property
    //  is automatically set to false.
    CkFtp2W_putRestartNext(ftp,TRUE);

    //  Upload a file with restart.
    localFilename = L"bigFile.zip";
    remoteFilename = L"bigFile.zip";

    success = CkFtp2W_PutFile(ftp,localFilename,remoteFilename);
    if (success != TRUE) {
        wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp));
        CkFtp2W_Dispose(ftp);
        return;
    }

    success = CkFtp2W_Disconnect(ftp);

    wprintf(L"File Uploaded!\n");


    CkFtp2W_Dispose(ftp);

    }