(C) TCP/IP Socket Connect to Remote Host:Port

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

Chilkat C/C++ Library Downloads
MS Visual C/C++ C++ Builder Linux C/C++ Alpine Linux C/C++	MacOS C/C++ iOS C/C++ Android C/C++ MinGW C/C++

#include <C_CkSocket.h>

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

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

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

    // Set maximum timeouts for reading an writing (in millisec)
    CkSocket_putMaxReadIdleMs(socket,10000);
    CkSocket_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:
    // http://www.cknotes.com/?p=302
    receivedMsg = CkSocket_receiveString(socket);
    if (CkSocket_getLastMethodSuccess(socket) != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(socket));
        CkSocket_Dispose(socket);
        return;
    }

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

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


    CkSocket_Dispose(socket);

    }