}
    return(0);
}

/*
 *-------------------------------------------------------------------
 *
 * TlsCloseProc --
 *
 *    This procedure is invoked by the generic IO level to perform
 *    channel-type-specific cleanup when a SSL socket based channel
 *    is closed.
 *
 *    Note: we leave the underlying socket alone, is this right?
 *
 * Results:
 *    0 if successful or POSIX error code if failed.
 *
 * Side effects:
 *    Closes the socket of the channel.
 *
 *-------------------------------------------------------------------
 */



static int TlsCloseProc(
    void *instanceData,
    TCL_UNUSED(Tcl_Interp *))
{
    State *statePtr = (State *) instanceData;

    dprintf("TlsCloseProc(%p)", statePtr);

    Tls_Clean(statePtr);
    Tcl_EventuallyFree(statePtr, Tls_Free);
    return TCL_OK;
}


static int TlsClose2Proc(
    void *instanceData,    /* The socket state. */
    Tcl_Interp *interp,		/* For errors - can be NULL. */
    int flags)			/* Flags to close read and/or write side of channel */
{




    if (!(flags&(TCL_CLOSE_READ|TCL_CLOSE_WRITE))) {
	return TlsCloseProc(instanceData, interp);
    }


    return EINVAL;
}

/*
 *------------------------------------------------------*
 *
 * Tls_WaitForConnect --
 *

	return(-1);
    }

    for (;;) {
	/* Not initialized yet! */
	if (statePtr->flags & TLS_TCL_SERVER) {
	    dprintf("Calling SSL_accept()");

		err = SSL_accept(statePtr->ssl);
	} else {
	    dprintf("Calling SSL_connect()");
	    err = SSL_connect(statePtr->ssl);
	}

	if (err > 0) {
	    dprintf("That seems to have gone okay");

		if (*errorCodePtr == ECONNRESET) {
		    *errorCodePtr = ECONNABORTED;
		}
		}

		statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;

		return(-1);
	case SSL_ERROR_SSL:
	    dprintf("Got permanent fatal SSL error, aborting immediately");
		Tls_Error(statePtr, (char *)ERR_reason_error_string(ERR_get_error()));
	    statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
	    *errorCodePtr = ECONNABORTED;
	    return(-1);
	case SSL_ERROR_WANT_CONNECT:

	    break;
	case SSL_ERROR_SSL:
	    Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, written));
	    *errorCodePtr = ECONNABORTED;
	    written = -1;
	    break;
	default:
	    dprintf(" unknown err: %d", err);
	    break;
    }

    dprintf("Output(%d) -> %d", toWrite, written);
    return(written);
}

 */
static int
TlsGetOptionProc(
    void *instanceData,	/* Socket state. */
    Tcl_Interp *interp,		/* For errors - can be NULL. */
    const char *optionName,	/* Name of the option to retrieve the value for, or
				 * NULL to get all options and their values. */
    Tcl_DString *dsPtr)	/* Where to store the computed value initialized by caller. */
{
    State *statePtr = (State *) instanceData;

    Tcl_Channel downChan = Tls_GetParent(statePtr, TLS_TCL_FASTPATH);
    Tcl_DriverGetOptionProc *getOptionProc;

    getOptionProc = Tcl_ChannelGetOptionProc(Tcl_GetChannelType(downChan));
    if (getOptionProc != NULL) {
	return (*getOptionProc)(Tcl_GetChannelInstanceData(downChan), interp, optionName, dsPtr);
    } else if (optionName == (char*) NULL) {
	/*
	 * Request is query for all options, this is ok.
	 */
	return TCL_OK;
    }
    /*

    }

    dprintf("Returning %i", mask);

    return(mask);
}

#if 0
/*
 *------------------------------------------------------*
 *
 *      TlsChannelHandler --
 *
 *      ------------------------------------------------*
 *      Handler called by Tcl as a result of
 *      Tcl_CreateChannelHandler - to inform us of activity
 *      on the underlying channel.
 *      ------------------------------------------------*
 *
 *      Sideeffects:
 *              May generate subsequent calls to
 *              Tcl_NotifyChannel.
 *
 *      Result:
 *              None.
 *
 *------------------------------------------------------*
 */

static void
TlsChannelHandler (clientData, mask)
    void *    clientData;
    int            mask;
{
    State *statePtr = (State *) clientData;


    dprintf("HANDLER(0x%x)", mask);
    Tcl_Preserve(statePtr);

    if (mask & TCL_READABLE) {
	BIO_set_flags(statePtr->p_bio, BIO_FLAGS_READ);
    } else {
	BIO_clear_flags(statePtr->p_bio, BIO_FLAGS_READ);
    }



    if (mask & TCL_WRITABLE) {
	BIO_set_flags(statePtr->p_bio, BIO_FLAGS_WRITE);
    } else {
	BIO_clear_flags(statePtr->p_bio, BIO_FLAGS_WRITE);
    }

    mask = 0;
    if (BIO_wpending(statePtr->bio)) {
	mask |= TCL_WRITABLE;

    }
    if (BIO_pending(statePtr->bio)) {
	mask |= TCL_READABLE;
    }

    /*
     * The following NotifyChannel calls seems to be important, but
     * we don't know why.  It looks like if the mask is ever non-zero
     * that it will enter an infinite loop.
     *
     * Notify the upper channel of the current BIO state so the event
     * continues to propagate up the chain.
     *
     * stanton: It looks like this could result in an infinite loop if
     * the upper channel doesn't cause ChannelHandler to be removed
     * before Tcl_NotifyChannel calls channel handlers on the lower channel.
     */

    Tcl_NotifyChannel(statePtr->self, mask);

    if (statePtr->timer != (Tcl_TimerToken)NULL) {
	Tcl_DeleteTimerHandler(statePtr->timer);
	statePtr->timer = (Tcl_TimerToken)NULL;
    }
    if ((mask & TCL_READABLE) && Tcl_InputBuffered(statePtr->self) > 0) {
	/*
	 * Data is waiting, flush it out in short time
	 */
	statePtr->timer = Tcl_CreateTimerHandler(TLS_TCL_DELAY,
		TlsChannelHandlerTimer, statePtr);
    }

    Tcl_Release(statePtr);
}


#endif

/*
 *------------------------------------------------------*
 *
 *	TlsChannelHandlerTimer --
 *
 *	------------------------------------------------*
 *	Called by the notifier (-> timer) to flush out
 *	information waiting in channel buffers.
 *	------------------------------------------------*
 *
 *	Sideeffects:
 *		As of 'TlsChannelHandler'.
 *
 *	Result:
 *		None.
 *
 *------------------------------------------------------*
 */


/*
 *-------------------------------------------------------------------
 *
 * Tls_ChannelType --
 *
 *    Return the correct TLS channel driver info

    NULL,			/* Thread action */
    NULL			/* Truncate */
};

const Tcl_ChannelType *Tls_ChannelType(void) {
    return &tlsChannelType;
}


static void TlsChannelHandlerTimer(void *clientData) {
	State *statePtr = (State *) clientData;
	int mask = 0;

	dprintf("Called");

	statePtr->timer = (Tcl_TimerToken) NULL;

	if (BIO_wpending(statePtr->bio)) {
		dprintf("[chan=%p] BIO writable", statePtr->self);

		mask |= TCL_WRITABLE;
	}

	if (BIO_pending(statePtr->bio)) {
		dprintf("[chan=%p] BIO readable", statePtr->self);

		mask |= TCL_READABLE;
	}

	dprintf("Notifying ourselves");
	Tcl_NotifyChannel(statePtr->self, mask);

	dprintf("Returning");

	return;
}

Tcl_Channel Tls_GetParent(State *statePtr, int maskFlags) {
	dprintf("Requested to get parent of channel %p", statePtr->self);

	if ((statePtr->flags & ~maskFlags) & TLS_TCL_FASTPATH) {
		dprintf("Asked to get the parent channel while we are using FastPath -- returning NULL");
		return(NULL);
	}

	return(Tcl_GetStackedChannel(statePtr->self));
}