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Initial revision

/* rosapinvoke.c - ROPM: invoke */

#ifndef	lint
static char *rcsid = "$Header: /var/lib/cvsd/repos/CSRG/43BSDReno/contrib/isode-beta/rosap/rosapinvoke.c,v 1.1 2018/04/24 16:12:56 root Exp $";
#endif

/* 
 * $Header: /var/lib/cvsd/repos/CSRG/43BSDReno/contrib/isode-beta/rosap/rosapinvoke.c,v 1.1 2018/04/24 16:12:56 root Exp $
 *
 * Based on an TCP-based implementation by George Michaelson of University
 * College London.
 *
 *
 * $Log: rosapinvoke.c,v $
 * Revision 1.1  2018/04/24 16:12:56  root
 * Initial revision
 *
 * Revision 7.1  90/07/01  21:06:02  mrose
 * pepsy
 * 
 * Revision 6.0  89/03/18  23:42:26  mrose
 * Release 5.0
 * 
 */

/*
 *				  NOTICE
 *
 *    Acquisition, use, and distribution of this module and related
 *    materials are subject to the restrictions of a license agreement.
 *    Consult the Preface in the User's Manual for the full terms of
 *    this agreement.
 *
 */


/* LINTLIBRARY */

#include <stdio.h>
#include <signal.h>
#include "ROS-types.h"
#include "ropkt.h"

/*    RO-INVOKE.REQUEST */

int	RoInvokeRequest (sd, op, class, args, invokeID, linkedID, priority, roi)
int	sd;
int	op,
	class,
	invokeID,
       *linkedID,
	priority;
PE	args;
struct RoSAPindication *roi;
{
    SBV	    smask;
    int     result;
    register struct assocblk   *acb;

    switch (class) {
	case ROS_SYNC: 
	case ROS_ASYNC: 
	    break;

	default: 
	    return rosaplose (roi, ROS_PARAMETER, NULLCP,
		    "bad value for class parameter");
    }
    missingP (roi);

    smask = sigioblock ();

    rosapPsig (acb, sd);

    result = RoInvokeRequestAux (acb, op, class, args, invokeID, linkedID,
		priority, roi);

    (void) sigiomask (smask);

    return result;
}

/*  */

static int  RoInvokeRequestAux (acb, op, class, args, invokeID, linkedID,
		priority, roi)
register struct assocblk   *acb;
int	op,
	class,
	invokeID,
       *linkedID,
	priority;
PE	args;
struct RoSAPindication *roi;
{
    PE	pe;

    struct type_ROS_ROSEapdus	papdu;
    struct type_ROS_ROIVapdu	piv;
    struct type_ROS_InvokeIDType pidt;
    struct type_ROS_Operation	prop;

    if (!(acb -> acb_flags & ACB_INIT) && (acb -> acb_flags & ACB_ROS))
	return rosaplose (roi, ROS_OPERATION, NULLCP, "not initiator");
    if (!(acb -> acb_flags & ACB_ACS)) {
	missingP (args);
	if (linkedID)
	    return rosaplose (roi, ROS_OPERATION, NULLCP,
			"linked operations not permitted");
    }
		    
    if (acb -> acb_ready
	    && !(acb -> acb_flags & ACB_TURN)
	    && (*acb -> acb_ready) (acb, priority, roi) == NOTOK)
	return NOTOK;
	
    if ((acb -> acb_flags & ACB_ACS) == 0) { /* want OPDU */
        struct type_ROS_OPDU	opdu;
	struct	type_ROS_Invoke	s_invoke;

	s_invoke.invokeID = invokeID;
	s_invoke.element_ROS_2 = &prop;
	prop.parm = op;
	s_invoke.argument = args;
	opdu.offset = type_ROS_OPDU_1; 	/* ROS-Invoke */
	opdu.un.choice_ROS_8 = &s_invoke;
	if (encode_ROS_OPDU (&pe, 1, 0, NULLCP, &opdu) == NOTOK)
	    return NOTOK;

    }
    else {
	if (linkedID) {
	    piv.optionals = opt_ROS_ROIVapdu_linked__ID;
	    piv.linked__ID = *linkedID;
	} else
	    piv.optionals = 0;

	piv.invokeID = &pidt;
	pidt.parm = invokeID;
	piv.operation__value = &prop;
	prop.parm = op;
	piv.argument = args;
	papdu.offset = type_ROS_ROSEapdus_roiv__apdu;
	papdu.un.roiv__apdu = &piv;

	if (encode_ROS_ROSEapdus (&pe, 1, 0, NULLCP, &papdu) == NOTOK)
	    return NOTOK;
    }

    if ((*acb -> acb_putosdu) (acb, pe, args, priority, roi) == NOTOK)
	return NOTOK;

    return (class == ROS_SYNC
	    ? (*acb -> acb_rowaitrequest)  (acb, &invokeID, NOTOK, roi)
	    : OK);
}

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