SSL Client Example

Demonstrates how to connect to an SSL server, send a simple message, receive a simple response, and disconnect.

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

// Needs #include <CkSocket.h>

    CkString strOut;

    CkSocket socket;

    bool success;
    success = socket.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append("Failed to unlock component\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    bool ssl;
    ssl = true;
    long maxWaitMillisec;
    maxWaitMillisec = 20000;

    //  The SSL server hostname may be an IP address, a domain name,
    //  or "localhost".  You'll need to change this:
    const char * sslServerHost;
    sslServerHost = "123.123.88.88";
    long sslServerPort;
    sslServerPort = 8123;

    //  Connect to the SSL server:
    success = socket.Connect(sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success != true) {
        strOut.append(socket.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    socket.put_MaxReadIdleMs(20000);
    socket.put_MaxSendIdleMs(20000);

    //  Send a "Hello Server! -EOM-" message:
    success = socket.SendString("Hello Server! -EOM-");
    if (success != true) {
        strOut.append(socket.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  The server (in this example) is going to send a "Hello Client! -EOM-"
    //  message.  Read it:
    const char * receivedMsg;
    receivedMsg = socket.receiveUntilMatch("-EOM-");
    if (receivedMsg == 0 ) {
        strOut.append(socket.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Close the connection with the server
    //  Wait a max of 20 seconds (20000 millsec)
    socket.Close(20000);

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

    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());