(MFC) FTP Download Text File to a Stream

Demonstrates how to FTP download a text file to a Chilkat stream.

Note: This example requires Chilkat v9.5.0.67 or greater.

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

See Also: Using MFC CString in Chilkat

#include <CkFtp2.h>
#include <CkStream.h>
#include <CkTask.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example assumes the Chilkat FTP2 API to have been previously unlocked.
    // See FTP2 Unlock Sample for sample code.

    CkFtp2 ftp;

    ftp.put_Hostname("www.my-ftp-server.com");
    ftp.put_Username("mFtpLogin");
    ftp.put_Password("myFtpPassword");
    ftp.put_AuthTls(true);
    ftp.put_Passive(true);

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

    CkStream streamObj;

    // Indicate the charset of the incoming data.
    streamObj.put_StringCharset("utf-8");

    // Create a task to do the FTP download.
    CkTask *t = ftp.GetFileToStreamAsync("lines.txt",streamObj);
    if (ftp.get_LastMethodSuccess() != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Start the task in a background thread.
    t->Run();

    // Read the incoming text data using any of the streamObj Read methods.
    // This example will read line-by-line.
    const char *line = 0;
    while (streamObj.get_EndOfStream() != true) {
        line = streamObj.readToCRLF();
        if (streamObj.get_LastMethodSuccess() == true) {
            strOut.append(line);
            strOut.append("\r\n");
        }

    }

    delete t;

    strOut.append("Success.");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }