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ssaprelease2.c
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ssaprelease2.c
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/* ssaprelease2.c - SPM: respond to release */
#ifndef lint
static char *rcsid = "$Header: /xtel/isode/isode/ssap/RCS/ssaprelease2.c,v 9.0 1992/06/16 12:39:41 isode Rel $";
#endif
/*
* $Header: /xtel/isode/isode/ssap/RCS/ssaprelease2.c,v 9.0 1992/06/16 12:39:41 isode Rel $
*
*
* $Log: ssaprelease2.c,v $
* Revision 9.0 1992/06/16 12:39:41 isode
* Release 8.0
*
*/
/*
* 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"
static int SRelResponseAux ();
/* S-RELEASE.RESPONSE */
int
SRelResponse (int sd, int status, char *data, int cc, struct SSAPindication *si) {
SBV smask;
int result;
struct ssapblk *sb;
missingP (si);
smask = sigioblock ();
ssapFsig (sb, sd);
toomuchP (sb, data, cc, SR_SIZE, "release");
result = SRelResponseAux (sb, status, data, cc, si);
sigiomask (smask);
return result;
}
/* S-RELEASE.RESPONSE */
static int
SRelResponseAux (struct ssapblk *sb, int status, char *data, int cc, struct SSAPindication *si) {
int code,
result;
struct ssapkt *s;
switch (status) {
case SC_ACCEPT:
code = SPDU_DN;
break;
case SC_REJECTED:
if (!(sb -> sb_requirements & SR_NEGOTIATED))
return ssaplose (si, SC_OPERATION, NULLCP,
"negotiated release service unavailable");
if (!(sb -> sb_requirements & SR_RLS_EXISTS))
return ssaplose (si, SC_OPERATION, NULLCP,
"release token unavailable");
if (sb -> sb_owned & ST_RLS_TOKEN)
return ssaplose (si, SC_OPERATION, NULLCP,
"release token owned by you");
code = SPDU_NF;
break;
default:
return ssaplose (si, SC_PARAMETER, NULLCP,
"invalid value for status parameter");
}
if ((s = newspkt (code)) == NULL)
return ssaplose (si, SC_CONGEST, NULLCP, "out of memory");
if (cc > 0) {
s -> s_mask |= SMASK_UDATA_PGI;
s -> s_udata = data, s -> s_ulen = cc;
} else
s -> s_udata = NULL, s -> s_ulen = 0;
result = spkt2sd (s, sb -> sb_fd, 0, si);
s -> s_mask &= ~SMASK_UDATA_PGI;
s -> s_udata = NULL, s -> s_ulen = 0;
freespkt (s);
if (result == NOTOK || code == SPDU_DN)
freesblk (sb);
else
sb -> sb_flags &= ~SB_FINN;
return result;
}