TCP Socket Connect through HTTP Proxy

Demonstrates how to connect through an HTTP proxy server.

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MAC OS X C/C++ Libraries

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#include <C_CkSocket.h>

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

    socket = CkSocket_Create();

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

    //  To connect through an HTTP proxy, set the HttpProxyHostname
    //  and HttpProxyPort properties to the hostname (or IP address)
    //  and port of the HTTP proxy.  Typical port numbers used by
    //  HTTP proxy servers are 3128 and 8080.
    CkSocket_putHttpProxyHostname(socket,"www.my-http-proxy.com");
    CkSocket_putHttpProxyPort(socket,3128);

    //  Important:  Your HTTP proxy server must allow non-HTTP
    //  traffic to pass.  Otherwise this does not work.

    //  Connect (via the HTTP proxy) to port 5555 of 192.168.1.108.
    //  hostname may be a domain name or IP address.

    hostname = "192.168.1.108";

    ssl = FALSE;

    maxWaitMillisec = 20000;
    success = CkSocket_Connect(socket,hostname,5555,ssl,maxWaitMillisec);
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    CkSocket_putMaxReadIdleMs(socket,10000);
    CkSocket_putMaxSendIdleMs(socket,10000);

    //  The ficticious server (in this example) is going to send a "Hello World!"
    //  message.  Read it:

    receivedMsg = CkSocket_receiveString(socket);
    if (receivedMsg == 0 ) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        return;
    }

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

    printf("%s\n",receivedMsg);

    CkSocket_Dispose(socket);

    }