Asynchronous SSL Client Example

Demonstrates how to connect to an SSL server, send a simple message, receive a simple response, and disconnect. This example uses the asynchronous methods to connect, send, and receive.

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#include <C_CkSocket.h>

void ChilkatSample(void)
    {
    HCkSocket socket;
    BOOL success;
    BOOL ssl;
    long maxWaitMillisec;
    const char * sslServerHost;
    long sslServerPort;

    socket = CkSocket_Create();

    success = CkSocket_UnlockComponent(socket,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("Failed to unlock component\n");
        return;
    }

    ssl = TRUE;

    maxWaitMillisec = 20000;

    //  The SSL server hostname may be an IP address, a domain name,
    //  or "localhost".  You'll need to change this:

    sslServerHost = "123.123.88.88";

    sslServerPort = 8123;

    //  Connect to the SSL server asynchronously in a background thread.
    success = CkSocket_AsyncConnectStart(socket,sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Wait for the socket to become connected...
    while ((CkSocket_getAsyncConnectFinished(socket) != TRUE)) {
        //  Sleep 1 second.
        CkSocket_SleepMs(socket,1000);
    }

    //  Did the connect fail?
    if (CkSocket_getAsyncConnectSuccess(socket) != TRUE) {
        printf("%s\n",CkSocket_asyncConnectLog(socket));
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    CkSocket_putMaxReadIdleMs(socket,20000);
    CkSocket_putMaxSendIdleMs(socket,20000);

    //  Send a "Hello Server! -EOM-" message:
    success = CkSocket_AsyncSendString(socket,"Hello Server! -EOM-");
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Wait for the send to finish
    while ((CkSocket_getAsyncSendFinished(socket) != TRUE)) {
        //  Sleep 1 second.
        CkSocket_SleepMs(socket,1000);
    }

    //  Did the send fail?
    if (CkSocket_getAsyncSendSuccess(socket) != TRUE) {
        printf("%s\n",CkSocket_asyncSendLog(socket));
        return;
    }

    //  The server (in this example) is going to send a "Hello Client! -EOM-"
    //  message.  Begin reading asynchronously in a background thread:
    success = CkSocket_AsyncReceiveUntilMatch(socket,"-EOM-");
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Wait for the background read to finish
    while ((CkSocket_getAsyncReceiveFinished(socket) != TRUE)) {
        //  Sleep 1 second.
        CkSocket_SleepMs(socket,1000);
    }

    //  Did the receive fail?
    if (CkSocket_getAsyncReceiveSuccess(socket) != TRUE) {
        printf("%s\n",CkSocket_asyncReceiveLog(socket));
        return;
    }

    //  Display the received message:
    printf("%s\n",CkSocket_asyncReceivedString(socket));

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


    CkSocket_Dispose(socket);

    }