Checking the HTTP Response Status Code

Simple HTTP GET request to download the HTML of a web page. Check the HTTP response status code (i.e. 200, 404, etc) to see if it downloaded successfully.

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MS Windows Visual C/C++ Libraries

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MAC OS X C/C++ Libraries

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HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

// Needs #include <CkHttp.h>

    CkString strOut;

    CkHttp http;

    bool success;

    //  Any string unlocks the component for the 1st 30-days.
    success = http.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Send the HTTP GET and return the content in a string.
    const char * html;
    html = http.quickGetStr("http://www.google.com/");

    long status;
    status = http.get_LastStatus();

    if (status == 200) {
        strOut.append("status = 200, OK!");
        strOut.append("\r\n");
    }
    else {
        strOut.append("HTTP Response status = ");
        strOut.appendInt(status);
        strOut.append("\r\n");

        //  Display the complete response header.
        strOut.append(http.lastResponseHeader());
        strOut.append("\r\n");
    }

    //  Now try a URL where we know we'll get a 404 response:
    html = http.quickGetStr("http://www.chilkatsoft.com/NothingHere.html");

    status = http.get_LastStatus();

    if (status == 200) {
        strOut.append("status = 200, OK!");
        strOut.append("\r\n");
    }
    else {
        strOut.append("HTTP Response status = ");
        strOut.appendInt(status);
        strOut.append("\r\n");

        //  Display the complete response header.
        strOut.append(http.lastResponseHeader());
        strOut.append("\r\n");
    }


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());