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

178 lines
6.5 KiB
C

/************************************************************************/
/* SISCO SOFTWARE MODULE HEADER *****************************************/
/************************************************************************/
/* (c) Copyright Systems Integration Specialists Company, Inc., */
/* 1986 - 2001, All Rights Reserved. */
/* */
/* PROPRIETARY AND CONFIDENTIAL */
/* */
/* MODULE NAME : rs_defvlist.c */
/* PRODUCT(S) : MMSEASE, MMSEASE-LITE */
/* */
/* MODULE DESCRIPTION : */
/* This module contains the responder portion of define named */
/* variable list. It decodes the define named variable list */
/* request (indication) & encodes the define named variable list */
/* response. */
/* */
/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
/* */
/* MODIFICATION LOG : */
/* Date Who Rev Comments */
/* -------- --- ------ ------------------------------------------- */
/* 03/11/04 GLB 08 Remove "thisFileName" */
/* 12/20/01 JRB 07 Converted to use ASN1R (re-entrant ASN1) */
/* 08/21/01 JRB 06 Don't allow compile if INT_MAX not defined. */
/* 06/22/01 RKR 05 Added limits.h */
/* 04/27/00 MDE 04 Lint cleanup */
/* 09/13/99 MDE 03 Added SD_CONST modifiers */
/* 03/23/99 MDE 02 Changes to decode buffer allocation scheme */
/* 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 <limits.h>
#ifndef INT_MAX
#error INT_MAX must be defined. Usually defined in limits.h
#endif
#include "mmsdefs.h"
#include "mms_pvar.h"
#include "asn1defs.h"
/************************************************************************/
/* variables global to the DECODE portion : */
static VARIABLE_LIST *vlist_ptr;
static ST_INT max_num_vars;
static DEFVLIST_REQ_INFO *req_info;
/************************************************************************/
/* variables global to the ENCODE portion : NONE */
static ST_VOID defvlist_list_done (ASN1_DEC_CTXT *aCtx);
static ST_VOID defvlist_get_varlist (ASN1_DEC_CTXT *aCtx);
static ST_VOID defvlist_name_done (ASN1_DEC_CTXT *aCtx);
/************************************************************************/
/************************************************************************/
/* mms_def_vlist_req */
/* This function is called from MMSDEC when the opcode for this */
/* operation is decoded. Setup state machine function pointers, etc. */
/************************************************************************/
/* This is used to restrict the maximum buffer size to 0xFF00, which is */
/* close to the max allowed for the chk_xxx series for 16 bit systems */
#define MAX_ALLOWED_VARS ((0xFF00 - sizeof (DEFVLIST_REQ_INFO)) / sizeof (VARIABLE_LIST))
ST_VOID mms_def_vlist_req (ASN1_DEC_CTXT *aCtx)
{
ST_INT req_size;
MLOG_CDEC0 ("Define Named Variable List Request");
#if defined(FIXED_DECBUF)
max_num_vars = m_sv_max_num_vars;
req_size = mmsl_dec_info_size;
#else
max_num_vars = _mmsdec_msglen / 2;
if (m_sv_max_num_vars && (max_num_vars > m_sv_max_num_vars))
max_num_vars = m_sv_max_num_vars;
/* verify buffer size is allocatable */
#if (INT_MAX <= 0x7FFF)
if (max_num_vars > MAX_ALLOWED_VARS)
max_num_vars = MAX_ALLOWED_VARS;
#endif
req_size = sizeof(DEFVLIST_REQ_INFO) +
(sizeof(VARIABLE_LIST) * max_num_vars);
#endif
/* get storage for request information */
req_info = (DEFVLIST_REQ_INFO *) _m_get_dec_buf (aCtx, req_size);
vlist_ptr = (VARIABLE_LIST *) (req_info + 1);
_ms_get_mms_objname (aCtx, &req_info->vl_name, defvlist_name_done);
}
/************************************************************************/
/* defvlist_name_done */
/* decoding define named variable list request: variable list name has */
/* been obtained. */
/************************************************************************/
static ST_VOID defvlist_name_done (ASN1_DEC_CTXT *aCtx)
{
ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 0, defvlist_get_varlist);
}
/************************************************************************/
/* defvlist_get_varlist */
/* decoding define named variable list request: list of variables */
/* constructor has been obtained. */
/************************************************************************/
static ST_VOID defvlist_get_varlist (ASN1_DEC_CTXT *aCtx)
{
req_info->num_of_variables = 0;
_ms_get_va_var_list (aCtx, vlist_ptr, &req_info->num_of_variables,
max_num_vars, defvlist_list_done);
}
/************************************************************************/
/* defvlist_list_done */
/* decoding define named variable list request: list of variables has */
/* been obtained. */
/************************************************************************/
static ST_VOID defvlist_list_done (ASN1_DEC_CTXT *aCtx)
{
ST_INT req_size;
/* find actual size for request info */
req_size = sizeof (DEFVLIST_REQ_INFO)
+ (sizeof (VARIABLE_LIST)*req_info->num_of_variables);
/* give back unused storage */
_mms_dec_info = (*m_realloc_os_fun) (_mms_dec_info, req_size);
req_info = (DEFVLIST_REQ_INFO *) _mms_dec_info;
_ms_set_cs_check (aCtx); /* check for Companion Standard info */
}
#ifndef MMS_LITE
/************************************************************************/
/************************************************************************/
/* mp_defvlist_resp */
/* This function is called from either the application or the virtual */
/* machine to ENCODE and send the define named variable list response. */
/************************************************************************/
ST_RET mp_defvlist_resp (MMSREQ_IND *indptr)
{
return (_mms_send_null_resp (indptr,MMSOP_DEF_VLIST));
}
#else
/************************************************************************/
/************************************************************************/
/* mpl_defvlist_resp */
/* This function is called from either the application or the virtual */
/* machine to ENCODE the define named variable list response. */
/************************************************************************/
ST_RET mpl_defvlist_resp (ST_UINT32 invoke_id)
{
return (_mms_fin_null_resp (invoke_id,MMSOP_DEF_VLIST));
}
#endif