Files
microser/mmslib/mmsl/rq_getvl.c
2026-06-15 15:48:16 +08:00

188 lines
6.9 KiB
C

/************************************************************************/
/* SISCO SOFTWARE MODULE HEADER *****************************************/
/************************************************************************/
/* (c) Copyright Systems Integration Specialists Company, Inc., */
/* 1986 - 2001, All Rights Reserved. */
/* */
/* PROPRIETARY AND CONFIDENTIAL */
/* */
/* MODULE NAME : rq_getvlist.c */
/* PRODUCT(S) : MMSEASE, MMSEASE-LITE */
/* */
/* MODULE DESCRIPTION : */
/* This module contains the requester portion of the get named */
/* variable list attributes. It decodes the get named variable */
/* list attributes response (confirm) & encodes the get named */
/* variable list attributes request. */
/* */
/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
/* */
/* MODIFICATION LOG : */
/* Date Who Rev Comments */
/* -------- --- ------ ------------------------------------------- */
/* 03/11/04 GLB 06 Remove "thisFileName" */
/* 12/20/01 JRB 05 Converted to use ASN1R (re-entrant ASN1) */
/* 09/13/99 MDE 04 Added SD_CONST modifiers */
/* 03/23/99 MDE 03 Changes to decode buffer allocation scheme */
/* 06/15/98 MDE 02 Changes to allow compile under C++ */
/* 07/03/97 MDE 01 Op-specific info buffer handling changes */
/* 04/02/97 DTL 7.00 MMSEASE 7.0 release. See MODL70.DOC for */
/* history. */
/************************************************************************/
#include "glbtypes.h"
#include "sysincs.h"
#include "mmsdefs.h"
#include "mms_pvar.h"
#include "asn1defs.h"
/************************************************************************/
/* variables global to the DECODE portion : */
static GETVLIST_RESP_INFO *rsp_info;
static VARIABLE_LIST *vl_ptr;
static ST_INT max_vars;
/************************************************************************/
/* variables global to the ENCODE portion : NONE */
static ST_VOID getvlist_list_of_var_done (ASN1_DEC_CTXT *aCtx);
static ST_VOID getvlist_get_varlist (ASN1_DEC_CTXT *aCtx);
static ST_VOID getvlist_get_mms_deletable (ASN1_DEC_CTXT *aCtx);
/************************************************************************/
/************************************************************************/
/* mms_get_vlist_rsp */
/* This function is called from MMSDEC when the opcode for this */
/* operation is decoded. Setup state machine function pointers, etc. */
/************************************************************************/
ST_VOID mms_get_vlist_rsp (ASN1_DEC_CTXT *aCtx)
{
ST_INT rsp_size;
MLOG_CDEC0 ("Get Named Variable List Attributes Response");
#if defined(FIXED_DECBUF)
max_vars = m_cl_max_getvla_vars;
rsp_size = mmsl_dec_info_size;
#else
/* find maximum storage required */
max_vars = _mmsdec_msglen / 4;
if (m_cl_max_getvla_vars && (max_vars > m_cl_max_getvla_vars))
max_vars = m_cl_max_getvla_vars;
rsp_size = sizeof (GETVLIST_RESP_INFO)
+ (sizeof (VARIABLE_LIST) * max_vars);
#endif
/* get storage for request information */
rsp_info = (GETVLIST_RESP_INFO *) _m_get_dec_buf (aCtx, rsp_size);
vl_ptr = (VARIABLE_LIST *) (rsp_info + 1);
ASN1R_TAG_ADD (aCtx, CTX, 0, getvlist_get_mms_deletable);
}
/************************************************************************/
/* getvlist_get_mms_deletable */
/* Decoding get named variable list attributes response: mms deletable */
/* was encountered. */
/************************************************************************/
static ST_VOID getvlist_get_mms_deletable (ASN1_DEC_CTXT *aCtx)
{
MLOG_CDEC0 ("getvlist_get_mms_deletable");
/* read mms deletable */
if (asn1r_get_bool (aCtx, &(rsp_info->mms_deletable)))
asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 1, getvlist_get_varlist);
}
/************************************************************************/
/* getvlist_get_varlist */
/* Decoding get named variable list attributes response: list of */
/* variables constructor was encountered. */
/************************************************************************/
static ST_VOID getvlist_get_varlist (ASN1_DEC_CTXT *aCtx)
{
MLOG_CDEC0 ("getvlist_get_varlist");
_ms_get_va_var_list (aCtx, vl_ptr, &rsp_info->num_of_variables,
max_vars, getvlist_list_of_var_done);
}
/************************************************************************/
/* getvlist_list_of_var_done */
/* get named variable list attributes request: list of variables has */
/* been obtained. */
/************************************************************************/
static ST_VOID getvlist_list_of_var_done (ASN1_DEC_CTXT *aCtx)
{
ST_INT rsp_size;
MLOG_CDEC0 ("getvlist_list_of_var_done");
/* find actual size for request info */
rsp_size = sizeof (GETVLIST_RESP_INFO)
+ (sizeof (VARIABLE_LIST) * rsp_info->num_of_variables);
/* give back unused storage */
_mms_dec_info = (*m_realloc_os_fun) (_mms_dec_info,rsp_size);
rsp_info = (GETVLIST_RESP_INFO *) _mms_dec_info;
_ms_set_cs_check (aCtx); /* check for Companion Standard info */
}
#ifndef MMS_LITE
/************************************************************************/
/************************************************************************/
/* mp_getvlist */
/* This function is called from either the application or the virtual */
/* machine to ENCODE & send the get named variable list attributes */
/* request. */
/************************************************************************/
MMSREQ_PEND *mp_getvlist (ST_INT chan, GETVLIST_REQ_INFO *info_ptr)
{
return (_mms_req_send (MMSOP_GET_VLIST,
M_CAST_MK_FUN (_ms_mk_getvlist_req),
chan,(ST_CHAR *)info_ptr));
}
#else
/************************************************************************/
/************************************************************************/
/* mpl_getvlist */
/* This function is called from either the application or the virtual */
/* machine to ENCODE the get named variable list attributes request. */
/************************************************************************/
ST_RET mpl_getvlist (GETVLIST_REQ_INFO *info_ptr)
{
return (_mms_req_fin (MMSOP_GET_VLIST,
M_CAST_MK_FUN (_ms_mk_getvlist_req),
(ST_CHAR *)info_ptr));
}
#endif
/************************************************************************/
/************************************************************************/
/* _ms_mk_getvlist_req */
/* construct a get named variable list attributes request */
/************************************************************************/
ST_VOID _ms_mk_getvlist_req (ASN1_ENC_CTXT *aCtx, GETVLIST_REQ_INFO *info)
{
_ms_wr_mms_objname (aCtx, &info->vl_name); /* write named var list name */
/* write the context specific explicit tag for this opcode. */
asn1r_fin_constr (aCtx, MMSOP_GET_VLIST,CTX,DEF); /* tag = opcode, ctx */
}