/* pppAdapterLayer.c - PPP Adapter Layer Source File *//* Copyright 1999 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01e,29nov99,sj  adding DESCRIPTION for refgen01d,28oct99,sj  upgrading to latest version of framework01c,23aug99,sj  modified for generic framework01b,12jul99,koz  included new framework header files and updated interfaces                 accordingly01a,07jul99,koz  created*//* includes */#include "stdio.h"#include "stdlib.h"#include "string.h"#include "vxWorks.h"#include "netBufLib.h"#include "pfw/pfw.h"#include "pfw/pfwComponent.h"#include "pfw/pfwLayer.h"#include "ppp/pppAdapterLayer.h"/*DESCRIPTIONThis module implements the ADAPTER_LAYER plug-in object and it resides inthe FRAMING plane.This is a NON_OPERATIONAL layer and in any profile only onecomponent may be configured within this layer.*//* defines *//* typedefs *//* locals *//* forwards */LOCAL STATUS componentAdd (PFW_COMPONENT_OBJ *);/********************************************************************************* pppAdapterLayerCreate - initialize and add the PPP Adapter Layer** This routine adds the ADAPTER_LAYER plug-in object to the framework** RETURNS: OK or ERROR**/STATUS pppAdapterLayerCreate     (    PFW_OBJ * pfw	/* framework we are adding this to */    )    {    PFW_LAYER_OBJ *pAdapterLayer;    pAdapterLayer = (PFW_LAYER_OBJ *) calloc (1, sizeof(PFW_LAYER_OBJ));       if (pAdapterLayer == NULL)	{	pfwPrintError (__FILE__, "pppAdapterLayerInit", __LINE__, pfw,0, 		    "Unable to allocate memory");	return (ERROR);	}    strcpy(pAdapterLayer->pluginObj.name, "ADAPTER_LAYER");    pAdapterLayer->pluginObj.pfwObj = pfw;    pAdapterLayer->pluginObj.profileDataSize = 0;    pAdapterLayer->pluginObj.stackDataSize = 0;    pAdapterLayer->pluginObj.profileDataConstruct = NULL;    pAdapterLayer->pluginObj.profileDataCopy = NULL;    pAdapterLayer->pluginObj.profileDataDestruct = NULL;    pAdapterLayer->pluginObj.stackDataConstruct = NULL;    pAdapterLayer->pluginObj.stackDataDestruct = NULL;    pAdapterLayer->planeId = FRAMING_PLANE;    pAdapterLayer->position = 1;    pAdapterLayer->type = NON_OPERATIONAL_LAYER;    pAdapterLayer->componentAdd = componentAdd;        if (pfwLayerAdd (pAdapterLayer) == ERROR)	{	pfwPrintError (__FILE__, "pppAdapterLayerInit", __LINE__, pfw,0, 		    "Adapter layer could not be added to the stack");	return (ERROR);	}    return (OK);    }/******************************************************************************** pppAdapterLayerDelete - delete the Adapter Layer from the framework** The ADAPTER_LAYER plug-in component object allocated by * pppAdapterLayerCreate() is freed if there are no references to this* object from a Stack or Profile object in the framework.** RETURNS: OK or ERROR*/STATUS pppAdapterLayerDelete    (    PFW_OBJ *pfw    )    {    PFW_LAYER_OBJ *pAdapterLayer;    pAdapterLayer = (PFW_LAYER_OBJ *)pfwLayerObjGet (pfw, "ADAPTER_LAYER");    if (pAdapterLayer == NULL)        return ERROR;    if (pfwLayerDelete (pAdapterLayer) == OK)        {        free (pAdapterLayer);        return OK;        }    return (ERROR);    }LOCAL STATUS componentAdd (PFW_COMPONENT_OBJ *obj){return (OK);}