BSD 4_3_Net_2 development

[unix-history] / usr / src / contrib / isode / rtsap / rt2psreleas1.c

/* rt2psreleas1.c - RTPM: initiate release */

#ifndef lint
static char *rcsid = "$Header: /f/osi/rtsap/RCS/rt2psreleas1.c,v 7.2 91/02/22 09:42:20 mrose Interim $";
#endif

/* 
* $Header: /f/osi/rtsap/RCS/rt2psreleas1.c,v 7.2 91/02/22 09:42:20 mrose Interim $
*
*
* $Log:        rt2psreleas1.c,v $
* Revision 7.2  91/02/22  09:42:20  mrose
* Interim 6.8
* 
* Revision 7.1  90/07/01  21:06:55  mrose
* pepsy
* 
* Revision 6.0  89/03/18  23:43:11  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 "rtpkt.h"

/* \f   RT-CLOSE.REQUEST */

int     RtCloseRequest (sd, reason, data, acr, rti)
int     sd,
       reason;
PE      data;
struct AcSAPrelease *acr;
struct RtSAPindication *rti;
{
   SBV     smask;
   int     result;
   register struct assocblk *acb;

   missingP (acr);
   missingP (rti);

   smask = sigioblock ();

   rtsapPsig (acb, sd);

   result = RtCloseRequestAux (acb, reason, data, acr, rti);

   (void) sigiomask (smask);

   return result;
}

/* \f */

static int  RtCloseRequestAux (acb, reason, data, acr, rti)
register struct assocblk *acb;
int     reason;
PE      data;
struct AcSAPrelease *acr;
register struct RtSAPindication *rti;
{
   int     result;
   struct AcSAPindication acis;
   register struct AcSAPindication *aci = &acis;
   register struct AcSAPabort *aca = &aci -> aci_abort;

   if (!(acb -> acb_flags & ACB_ACS))
       return rtsaplose (rti, RTS_OPERATION, NULLCP,
                   "not an association descriptor for RTS");
   if (!(acb -> acb_flags & ACB_INIT) && (acb -> acb_flags & ACB_TWA))
       return rtsaplose (rti, RTS_OPERATION, NULLCP, "not initiator");
   if (!(acb -> acb_flags & ACB_TURN))
       return rtsaplose (rti, RTS_OPERATION, NULLCP, "turn not owned by you");
   if (acb -> acb_flags & ACB_ACT)
       return rtsaplose (rti, RTS_OPERATION, NULLCP, "transfer in progress");
   if (acb -> acb_flags & ACB_PLEASE)
       return rtsaplose (rti, RTS_WAITING, NULLCP, NULLCP);

   if (data)
       data -> pe_context = acb -> acb_rtsid;

   acb -> acb_flags &= ~ACB_STICKY;
   if (AcRelRequest (acb -> acb_fd, reason, &data, data ? 1 : 0, NOTOK, acr, aci)
           == NOTOK) {
       if (aca -> aca_source == ACA_USER)
           result = acs2rtsabort (acb, aca, rti);
       else
           result = acs2rtslose (acb, rti, "AcRelRequest", aca);
   }
   else
       if (!acr -> acr_affirmative)
           result = rtpktlose (acb, rti, RTS_PROTOCOL, NULLCP,
                           "other side refused to release association");
       else
           result = OK;

   return result;
}