BSD 4_3_Net_2 release

[unix-history] / usr / src / contrib / isode / ssap / ssapminor1.c

/* ssapminor1.c - SPM: initiate minorsyncs */

#ifndef lint
static char *rcsid = "$Header: /f/osi/ssap/RCS/ssapminor1.c,v 7.1 91/02/22 09:45:54 mrose Interim $";
#endif

/* 
* $Header: /f/osi/ssap/RCS/ssapminor1.c,v 7.1 91/02/22 09:45:54 mrose Interim $
*
*
* $Log:        ssapminor1.c,v $
* Revision 7.1  91/02/22  09:45:54  mrose
* Interim 6.8
* 
* Revision 7.0  89/11/23  22:25:32  mrose
* Release 6.0
* 
*/

/*
*                                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 "spkt.h"

/* \f   S-MINOR-SYNC.REQUEST */

int     SMinSyncRequest (sd, type, ssn, data, cc, si)
int     sd;
int     type;
long   *ssn;
char   *data;
int     cc;
struct SSAPindication *si;
{
   SBV     smask;
   int     result;
   register struct ssapblk *sb;

   switch (type) {
       case SYNC_CONFIRM: 
       case SYNC_NOCONFIRM: 
           break;

       default: 
           return ssaplose (si, SC_PARAMETER, NULLCP,
                   "improper choice of type setting");
   }
   missingP (ssn);
   missingP (si);

   smask = sigioblock ();

   ssapPsig (sb, sd);
   toomuchP (sb, data, cc, SN_SIZE, "minorsync");

   result = SMinSyncRequestAux (sb, type, ssn, data, cc, si);

   (void) sigiomask (smask);

   return result;
}

/* \f */

static int  SMinSyncRequestAux (sb, type, ssn, data, cc, si)
register struct ssapblk *sb;
int     type;
long   *ssn;
char   *data;
int     cc;
register struct SSAPindication *si;
{
   int     result;

   if (!(sb -> sb_requirements & SR_MINORSYNC))
       return ssaplose (si, SC_OPERATION, NULLCP,
               "minor synchronize service unavailable");

   if ((sb -> sb_requirements & SR_DAT_EXISTS)
           && !(sb -> sb_owned & ST_DAT_TOKEN))
       return ssaplose (si, SC_OPERATION, NULLCP,
               "data token not owned by you");

   if (!(sb -> sb_owned & ST_MIN_TOKEN))
       return ssaplose (si, SC_OPERATION, NULLCP,
               "minorsync token not owned by you");

   if ((sb -> sb_requirements & SR_ACTIVITY)
           && !(sb -> sb_flags & SB_Vact))
       return ssaplose (si, SC_OPERATION, NULLCP, "no activity in progress");

   if (sb -> sb_flags & SB_MAA)
       return ssaplose (si, SC_OPERATION, "awaiting your majorsync response");

   if ((result = SWriteRequestAux (sb, SPDU_MIP, data, cc, type,
               *ssn = sb -> sb_V_M, 0, NULLSD, NULLSD, NULLSR, si)) == NOTOK)
       freesblk (sb);
   else {
       if (sb -> sb_flags & SB_Vsc) {
           sb -> sb_V_A = sb -> sb_V_M;
           sb -> sb_flags &= ~SB_Vsc;
       }
       sb -> sb_V_M++;
   }

   return result;
}