226 lines
7.9 KiB
C
226 lines
7.9 KiB
C
/************************************************************************/
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/* SISCO SOFTWARE MODULE HEADER *****************************************/
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/************************************************************************/
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/* (c) Copyright Systems Integration Specialists Company, Inc., */
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/* 1986 - 2001, All Rights Reserved. */
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/* */
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/* PROPRIETARY AND CONFIDENTIAL */
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/* */
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/* MODULE NAME : rq_getcl.c */
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/* PRODUCT(S) : MMSEASE, MMSEASE-LITE */
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/* */
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/* MODULE DESCRIPTION : */
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/* This module contains the requester portion of get capability */
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/* list. It decodes the get capability list response (confirm) & */
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/* encodes the get capability list request. */
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/* */
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/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
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/* */
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/* MODIFICATION LOG : */
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/* Date Who Rev Comments */
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/* -------- --- ------ ------------------------------------------- */
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/* 03/11/04 GLB 06 Remove "thisFileName" */
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/* 12/20/01 JRB 05 Converted to use ASN1R (re-entrant ASN1) */
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/* 09/13/99 MDE 04 Added SD_CONST modifiers */
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/* 03/23/99 MDE 03 Changes to decode buffer allocation scheme */
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/* 06/15/98 MDE 02 Changes to allow compile under C++ */
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/* 07/03/97 MDE 01 Op-specific info buffer handling changes */
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/* 04/02/97 DTL 7.00 MMSEASE 7.0 release. See MODL70.DOC for */
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/* history. */
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/************************************************************************/
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#include "glbtypes.h"
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#include "sysincs.h"
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#include "mmsdefs.h"
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#include "mms_pvmd.h"
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#include "asn1defs.h"
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/************************************************************************/
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/* variables global to the DECODE portion : NONE */
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static GETCL_RESP_INFO *rsp_info;
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static ST_CHAR **cap_ptr;
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static ST_INT max_capabilities;
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/************************************************************************/
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/* variables global to the ENCODE portion : NONE */
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static ST_VOID getcl_cap_cstr (ASN1_DEC_CTXT *aCtx);
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static ST_VOID getcl_get_cap (ASN1_DEC_CTXT *aCtx);
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static ST_VOID getcl_cap_cstr_done (ASN1_DEC_CTXT *aCtx);
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static ST_VOID getcl_get_more_follows (ASN1_DEC_CTXT *aCtx);
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/************************************************************************/
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/************************************************************************/
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/* mms_getcl_rsp */
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/* This function is called from MMSDEC when the opcode for this */
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/* operation is decoded. Setup state machine function pointers, etc. */
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/************************************************************************/
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ST_VOID mms_getcl_rsp (ASN1_DEC_CTXT *aCtx)
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{
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ST_INT rsp_size;
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MLOG_CDEC0 ("Get Capability List Response");
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#if defined(FIXED_DECBUF)
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max_capabilities = m_cl_max_getcl_cap;
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rsp_size = mmsl_dec_info_size;
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#else
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/* determine maximum size */
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max_capabilities = _mmsdec_msglen/2;
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if (m_cl_max_getcl_cap && (max_capabilities > m_cl_max_getcl_cap))
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max_capabilities = m_cl_max_getcl_cap;
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/* get storage for resp info */
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rsp_size = sizeof (GETCL_RESP_INFO)
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+ (max_capabilities * (sizeof (ST_CHAR *)));
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#endif
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/* get storage for request information */
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rsp_info = (GETCL_RESP_INFO *) _m_get_dec_buf (aCtx, rsp_size);
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cap_ptr = (ST_CHAR **) (rsp_info + 1);
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rsp_info->more_follows = SD_TRUE;
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 0, getcl_cap_cstr);
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}
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/************************************************************************/
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/* getcl_cap_cstr */
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/* get capability list RESPONSE (confirm) is being decoded: */
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/* capability list constructor was encountered. */
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/************************************************************************/
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static ST_VOID getcl_cap_cstr (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("getcl_cap_cstr");
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ASN1R_TAG_ADD (aCtx, UNI, VISTR_CODE, getcl_get_cap);
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aCtx->asn1r_c_done_fun [aCtx->asn1r_msg_level] = getcl_cap_cstr_done;
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aCtx->asn1r_decode_done_fun = _mms_dec_done_ok;
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}
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/************************************************************************/
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/* getcl_get_cap */
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/* get capability list RESPONSE (confirm) is being decoded: */
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/* capability was encountered. */
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/************************************************************************/
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static ST_VOID getcl_get_cap (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("getcl_get_cap");
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rsp_info->num_of_capab++; /* increment # of capabilities */
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if (rsp_info->num_of_capab > max_capabilities)
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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/* copy capability back onto itself shifted by one character */
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*cap_ptr = (ST_CHAR *) aCtx->asn1r_field_ptr - 1;
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if (asn1r_get_vstr (aCtx, *cap_ptr))
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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cap_ptr++;
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ASN1R_TAG_ADD (aCtx, UNI, VISTR_CODE, getcl_get_cap);
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}
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/************************************************************************/
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/* getcl_cap_cstr_done */
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/* get capability list RESPONSE (confirm) is being decoded: */
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/* capability list constructor done was encountered. */
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/************************************************************************/
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static ST_VOID getcl_cap_cstr_done (ASN1_DEC_CTXT *aCtx)
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{
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ST_INT rsp_size;
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/* find actual size for response info */
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/* OK to be done, or may have more follows indicator */
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rsp_size = sizeof (GETCL_RESP_INFO)
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+ (sizeof (ST_CHAR *) * rsp_info->num_of_capab);
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/* give back unused _mms_dec_info; */
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_mms_dec_info = (*m_realloc_os_fun) (_mms_dec_info,rsp_size);
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rsp_info = (GETCL_RESP_INFO *) _mms_dec_info;
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ASN1R_TAG_ADD (aCtx, CTX,1,getcl_get_more_follows);
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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}
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/************************************************************************/
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/* getcl_get_more_follows */
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/* get capability list RESPONSE (confirm) is being decoded: */
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/* more follows was encountered. */
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/************************************************************************/
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static ST_VOID getcl_get_more_follows (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("getcl_get_more_follows");
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if (asn1r_get_bool (aCtx, &rsp_info->more_follows))
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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}
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#ifndef MMS_LITE
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/************************************************************************/
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/************************************************************************/
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/* mp_getcl */
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/* This function is called from either the application or the virtual */
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/* machine to ENCODE and send the get capability list request. */
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/************************************************************************/
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MMSREQ_PEND *mp_getcl (ST_INT chan, GETCL_REQ_INFO *info_ptr)
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{
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return (_mms_req_send (MMSOP_GET_CAP_LIST,
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M_CAST_MK_FUN (_ms_mk_getcl_req),
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chan,(ST_CHAR *)info_ptr));
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}
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#else
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/************************************************************************/
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/************************************************************************/
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/* mpl_getcl */
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/* This function is called from either the application or the virtual */
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/* machine to ENCODE the get capability list request. */
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/************************************************************************/
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ST_RET mpl_getcl (GETCL_REQ_INFO *info_ptr)
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{
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return (_mms_req_fin (MMSOP_GET_CAP_LIST,
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M_CAST_MK_FUN (_ms_mk_getcl_req),
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(ST_CHAR *)info_ptr));
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}
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#endif
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/************************************************************************/
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/************************************************************************/
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/* _ms_mk_getcl_req */
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/* ENCODE a get capability list REQUEST: */
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/************************************************************************/
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ST_VOID _ms_mk_getcl_req (ASN1_ENC_CTXT *aCtx, GETCL_REQ_INFO *info)
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{
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if (info->cont_after_pres)
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{
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asn1r_wr_vstr (aCtx, info->continue_after); /* write the continue after */
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asn1r_fin_prim (aCtx, VISTR_CODE,UNI);
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}
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/* write the context specific explicit tag for this opcode. */
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asn1r_fin_constr (aCtx, MMSOP_GET_CAP_LIST,CTX,DEF); /* tag = opcode, context */
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}
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