unable to create socket...

Well am trying to create a port scanner for which am trying to create a socket first and then trying to connect at that particular port but the problem is every time i try to create a socket it returns false.......please help as soon as possible......

Code:

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BOOL CTrial1Dlg::test (CString IP,UINT nPort)
{
       
        sock* pSocket;
        pSocket = new sock;
        ASSERT(pSocket);
        if (!pSocket->Create())
        {
                delete pSocket;
                pSocket = NULL;
                MessageBox("hmmm");
                return FALSE;
        }
       
        while (!pSocket->Connect(IP , nPort))
                {
                delete pSocket;
                pSocket = NULL;
                return FALSE;
        }
        pSocket->Close();
        delete pSocket;
        return TRUE;
}

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above sock is a simple class derived from CSocket class.....

1. Did you ever read the documentation about CSocket::Create in MSDN? :confused:

Quote:

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CSocket::Create
BOOL Create( UINT nSocketPort = 0, int nSocketType = SOCK_STREAM, LPCTSTR lpszSocketAddress = NULL );

Return Value

Nonzero if the function is successful; otherwise 0, and a specific error code can be retrieved by calling GetLastError.

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2. Is there any particular reason to use CSocket class (blocking sockets) rather than CAsyncSocket (non-blocking)?

Did you call AfxSocketInit during the startup of your program ?

not explicilty......can i know how can i do this??

Quote:

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Originally Posted by pinnachio

not explicilty......can i know how can i do this??

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Didn't you open the link Skizmo had provided? :confused:
Or you ignore any documentation at all? :rolleyes:

thanks a lot it worked fine and sorry for not going through the link initially......