BSD 4_3_Net_2 development

[unix-history] / usr / src / contrib / isode / rtsap / rt2ssreleas1.c

/* rt2ssreleas1.c - RTPM: initiate release */

#ifndef lint
static char *rcsid = "$Header: /f/osi/rtsap/RCS/rt2ssreleas1.c,v 7.1 91/02/22 09:42:31 mrose Interim $";
#endif

/* 
* $Header: /f/osi/rtsap/RCS/rt2ssreleas1.c,v 7.1 91/02/22 09:42:31 mrose Interim $
*
*
* $Log:        rt2ssreleas1.c,v $
* Revision 7.1  91/02/22  09:42:31  mrose
* Interim 6.8
* 
* Revision 6.0  89/03/18  23:43:21  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-END.REQUEST (X.410 CLOSE.REQUEST) */

int     RtEndRequest (sd, rti)
int     sd;
struct RtSAPindication *rti;
{
   SBV     smask;
   int     result;
   register struct assocblk   *acb;

   missingP (rti);

   smask = sigioblock ();

   rtsapPsig (acb, sd);

   result = RtEndRequestAux (acb, rti);

   (void) sigiomask (smask);

   return result;
}

/* \f */

static int  RtEndRequestAux (acb, rti)
register struct assocblk   *acb;
struct RtSAPindication *rti;
{
   int     result;
   struct SSAPindication   sis;
   register struct SSAPindication *si = &sis;
   register struct SSAPabort  *sa = &si -> si_abort;
   struct SSAPrelease  srs;
   register struct SSAPrelease *sr = &srs;

   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 (SRelRequest (acb -> acb_fd, NULLCP, 0, NOTOK, sr, si) == NOTOK) {
       if (sa -> sa_peer)
           return ss2rtsabort (acb, sa, rti);

       result = ss2rtslose (acb, rti, "SRelRequest", sa);
   }
   else
       if (!sr -> sr_affirmative)
           result = rtpktlose (acb, rti, RTS_PROTOCOL, NULLCP,
                   "other side refused to release connection");
       else {
           acb -> acb_fd = NOTOK;
           result = OK;
       }

   acb -> acb_flags &= ~ACB_STICKY;
   freeacblk (acb);

   return result;
}