Unicode C

TCP/IP Socket Connect to Remote Host:Port

See more Socket/SSL/TLS Examples

Demonstrates how to create a TCP/IP socket, connect to a remote host:port, and receive a "Hello World!" message. Unicode C

#include <C_CkSocketW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSocketW socket;
    BOOL ssl;
    int maxWaitMillisec;
    const wchar_t *receivedMsg;

    success = FALSE;

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

    socket = CkSocketW_Create();

    // Connect to port 5555 of localhost.
    // The string "localhost" is for testing on a single computer.
    // It would typically be replaced with an IP hostname, such
    // as "www.chilkatsoft.com".
    ssl = FALSE;
    maxWaitMillisec = 20000;
    success = CkSocketW_Connect(socket,L"localhost",5555,ssl,maxWaitMillisec);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        return;
    }

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

    // Pretend, for the sake of the example, that the
    // ficticious server is going to send a "Hello World!" 
    // after accepting the connection.  
    // Note: Technically, the ReceiveString may not receive the
    // complete string, although it's highly probable given the short
    // length of the "Hello World!" message. 
    // See this Chilkat blog post for more information:
    // <a href="http://www.cknotes.com/?p=302">http://www.cknotes.com/?p=302</a>
    receivedMsg = CkSocketW_receiveString(socket);
    if (CkSocketW_getLastMethodSuccess(socket) != TRUE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        return;
    }

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

    wprintf(L"%s\n",receivedMsg);


    CkSocketW_Dispose(socket);

    }