(MFC) FTP Download with Progress Event Callbacks

FTP download with progress event callbacks.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkFtp2.h>

#include <CkFtp2Progress.h>

class ftpProgress : public CkFtp2Progress {

  public:
  ftpProgress() { }
  virtual ~ftpProgress() { }

  void PercentDone(int percentDone, bool *abort) {
    strOut.append("Percent Done: ");
    strOut.appendInt(percentDone);
    strOut.append("\r\n");
  }

  void ProgressInfo(const char *name, const char *value) {
    strOut.append(name);
    strOut.append(": ");
    strOut.append(value);
    strOut.append("\r\n");
  }

};

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkFtp2 ftp;
    ftpProgress ftp_progress;
    ftp.put_EventCallbackObject(&ftp_progress);

    ftp.put_Hostname("ftp.someFtpServer.com");
    ftp.put_Username("myLogin");
    ftp.put_Password("myPassword");

    // Connect and login to the FTP server.
    bool success = ftp.ConnectOnly();
    if (success != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    success = ftp.LoginAfterConnectOnly();
    if (success != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Change to the remote directory where the file is located.
    // This step is only necessary if the file is not in the home directory
    // of the FTP account.
    success = ftp.ChangeRemoteDir("junk");
    if (success != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    const char *localFilename = "c:/temp/hamlet.xml";
    const char *remoteFilename = "hamlet.xml";

    // Ensure that we get PercentDone callbacks.
    ftp.put_AutoGetSizeForProgress(true);

    // Download the file.
    success = ftp.GetFile(remoteFilename,localFilename);
    if (success != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    success = ftp.Disconnect();

    strOut.append("File Downloaded!");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }