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BSD 4.3reno

/* psaprelease2.c - PPM: respond to release */

#ifndef	lint
static char *rcsid = "$Header: /var/lib/cvsd/repos/CSRG/43BSDReno/contrib/isode-beta/psap2-lpp/psaprelease2.c,v 1.1.1.1 2018/04/24 16:12:56 root Exp $";
#endif

/* 
 * $Header: /var/lib/cvsd/repos/CSRG/43BSDReno/contrib/isode-beta/psap2-lpp/psaprelease2.c,v 1.1.1.1 2018/04/24 16:12:56 root Exp $
 *
 * Contributed by The Wollongong Group, Inc.
 *
 *
 * $Log: psaprelease2.c,v $
 * Revision 1.1.1.1  2018/04/24 16:12:56  root
 * BSD 4.3reno
 *
 * Revision 7.1  90/07/01  21:05:30  mrose
 * pepsy
 * 
 * Revision 7.0  89/11/23  22:15:57  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>
#define	LPP
#include "PS-types.h"
#include "ppkt.h"
#include "tailor.h"

/*    P-RELEASE.RESPONSE */

int	PRelResponse (sd, status, data, ndata, pi)
int	sd;
int	status;
PE     *data;
int	ndata;
struct PSAPindication *pi;
{
    SBV	    smask;
    int	    result;
    register struct psapblk *pb;

    if (status != SC_ACCEPT)
	return psaplose (pi, PC_PARAMETER, NULLCP,
			 "must accept release request");
    if (data == NULL || ndata <= 0 || data[0] == NULLPE || ndata > NPDATA_PS)
	return psaplose (pi, PC_PARAMETER, NULLCP, "bad release user data");
    if (data[0] -> pe_context != PCI_ACSE)
	return psaplose (pi, PC_PARAMETER, NULLCP,
			 "wrong context for release user data");
    missingP (pi);

    smask = sigioblock ();

    psapFsig (pb, sd);

    result = PRelResponseAux (pb, data[0], pi);

    freepblk (pb);

    (void) sigiomask (smask);

    return result;
}

/*  */

static int  PRelResponseAux (pb, data, pi)
register struct psapblk *pb;
PE	data;
struct PSAPindication *pi;
{
    int	    result;
    PE	    pe;
    PS	    ps;
    register struct type_PS_ReleaseResponse__PDU *pdu;

    if ((pdu = (struct type_PS_ReleaseResponse__PDU *) malloc (sizeof *pdu))
	    == NULL)
	return psaplose (pi, PC_CONGEST, NULLCP, "out of memory");
    pdu -> reference = pb -> pb_reliability == LOW_QUALITY ? pb -> pb_reference
							   : NULLRF;
    pdu -> user__data = data;

    pe = NULLPE;
    result = encode_PS_ReleaseResponse__PDU (&pe, 1, 0, NULLCP, pdu);

    pdu -> reference = NULL;
    pdu -> user__data = NULLPE;
    free_PS_ReleaseResponse__PDU (pdu);

    if (result != NOTOK) {
	PLOGP (psap2_log,PS_PDUs, pe, "ReleaseResponse-PDU", 0);

	if ((result = pe2ps (ps = pb -> pb_stream, pe)) == NOTOK)
	    (void) pslose (pi, ps -> ps_errno);
	else
	    result = OK;
    }
    else
	(void) psaplose (pi, PC_CONGEST, NULLCP, "error encoding PDU: %s",
			 PY_pepy);

    if (pe)
	pe_free (pe);

    return result;
}

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