Accept Connection on Socket

Demonstrates how to create a TCP/IP socket, listen on a port, accept an incoming connection, and send a "Hello World" message to the client.

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

#include <C_CkSocket.h>

void ChilkatSample(void)
    {
    HCkSocket listenSocket;
    BOOL success;
    HCkSocket connectedSocket;

    listenSocket = CkSocket_Create();

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

    //  Bind to a port and listen for incoming connections:
    //  This example will listen at port 5555 and allows for a backlog
    //  of 25 pending connection requests.
    success = CkSocket_BindAndListen(listenSocket,5555,25);
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(listenSocket));
        return;
    }

    //  Get the next incoming connection
    //  Wait a maximum of 20 seconds (20000 millisec)

    connectedSocket = CkSocket_AcceptNextConnection(listenSocket,20000);
    if (connectedSocket == 0 ) {
        printf("%s\n",CkSocket_lastErrorText(listenSocket));
        return;
    }

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

    //  Send a "Hello World!" message to the client:
    success = CkSocket_SendString(connectedSocket,"Hello World!");
    if (success != TRUE) {
        printf("%s\n",CkSocket_lastErrorText(connectedSocket));
        CkSocket_Dispose(connectedSocket);
        return;
    }

    //  Close the connection with the client.
    //  Wait a max of 20 seconds (20000 millsec)
    CkSocket_Close(connectedSocket,20000);

    printf("success!\n");

    CkSocket_Dispose(listenSocket);

    }