/************************************************************************/
/* SISCO SOFTWARE MODULE HEADER *****************************************/
/************************************************************************/
/*   (c) Copyright Systems Integration Specialists Company, Inc.,	*/
/*      	  1986 - 2001, All Rights Reserved.		        */
/*									*/
/*		    PROPRIETARY AND CONFIDENTIAL			*/
/*									*/
/* MODULE NAME : rs_start.c						*/
/* PRODUCT(S)  : MMSEASE, MMSEASE-LITE					*/
/*									*/
/* MODULE DESCRIPTION : 						*/
/*	This module contains the responder portion of the start 	*/
/*	operation.  It decodes the start request (indication) and	*/
/*	encodes the start response.					*/
/*									*/
/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE :				*/
/*									*/
/* MODIFICATION LOG :							*/
/*  Date     Who   Rev			Comments			*/
/* --------  ---  ------   -------------------------------------------	*/
/* 03/11/04  GLB     05    Remove "thisFileName"                    	*/
/* 12/20/01  JRB     04    Converted to use ASN1R (re-entrant ASN1)	*/
/* 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	*/
/* 06/09/97  MDE     01    Changed op specific buffer allocation	*/
/* 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_pprg.h"
#include "asn1defs.h"

/************************************************************************/
/* Use global decode info pointer, case via define here			*/

static  START_REQ_INFO	*req_info;

/************************************************************************/
/* variables global to the ENCODE portion : NONE			*/

static ST_VOID start_get_arg (ASN1_DEC_CTXT *aCtx);
static ST_VOID start_get_piname (ASN1_DEC_CTXT *aCtx);
static ST_VOID extern_done (ASN1_DEC_CTXT *aCtx);


/************************************************************************/
/************************************************************************/
/*			mms_start_req					*/
/* This function is called from MMSDEC when the opcode for this 	*/
/* operation is decoded. Setup state machine function pointers, etc.	*/
/************************************************************************/

ST_VOID mms_start_req (ASN1_DEC_CTXT *aCtx)
  {
  MLOG_CDEC0 ("Start Request");
  req_info = (START_REQ_INFO *) _m_get_dec_buf (aCtx, sizeof (START_REQ_INFO));
  ASN1R_TAG_ADD (aCtx, CTX, 0, start_get_piname);
  }

/************************************************************************/
/*			start_get_piname				*/
/* start request is being decoded: get the program invocation name.	*/
/************************************************************************/

static ST_VOID start_get_piname (ASN1_DEC_CTXT *aCtx)
  {
  MLOG_CDEC0 ("start_get_piname");

			/* read program invocation name from message	*/
  if (asn1r_get_identifier (aCtx, req_info->piname))
    asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);

  ASN1R_TAG_ADD (aCtx, CTX, 	 1, start_get_arg);
  _ms_set_cs_check (aCtx);		/* check for Companion Standard info	*/

/* If MMS IS, Check for ENCODED string					*/
#ifndef MMS_LITE
  if (mms_chan_info[_mmsdechan].version)		/* IS 	*/
#else
  if (mmsl_version)				/* IS 	*/
#endif
    _ms_chk_for_extern (aCtx, &req_info->start_arg_len,
    		    &req_info->start_arg,
		    extern_done);
  }

/************************************************************************/
/*			start_get_arg					*/
/* start request is being decoded: get the start argument.		*/
/************************************************************************/

static ST_VOID start_get_arg (ASN1_DEC_CTXT *aCtx)
  {
  MLOG_CDEC0 ("start_get_arg");

  req_info->start_arg_pres = SD_TRUE;		/* set start arg pres	*/

	/* copy start argument back onto itself shifted by one ST_CHAR	*/
  req_info->start_arg = aCtx->asn1r_field_ptr - 1;

  req_info->start_arg_type = ARG_TYPE_SIMPLE;
  if (asn1r_get_vstr (aCtx, (ST_CHAR *)req_info->start_arg))
    asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);

  _ms_set_cs_check (aCtx);		/* check for Companion Standard info	*/
  }

/************************************************************************/
/*			   extern_done					*/
/************************************************************************/

static ST_VOID extern_done (ASN1_DEC_CTXT *aCtx)
  {
  MLOG_CDEC0 ("extern_done");

  req_info->start_arg_pres = SD_TRUE;		/* set start arg pres	*/
  req_info->start_arg_type = ARG_TYPE_ENCODED;
  _ms_set_cs_check (aCtx);		/* check for Companion Standard info	*/
  }


#ifndef MMS_LITE
/************************************************************************/
/************************************************************************/
/*			mp_start_resp					*/
/* This function is called from either the application or the virtual	*/
/* machine to ENCODE and send the start response.			*/
/************************************************************************/

ST_RET mp_start_resp (MMSREQ_IND *indptr)
  {
  return (_mms_send_null_resp (indptr,MMSOP_START));
  }

#else
/************************************************************************/
/************************************************************************/
/*			mpl_start_resp					*/
/* This function is called from either the application or the virtual	*/
/* machine to ENCODE the start response.				*/
/************************************************************************/

ST_RET mpl_start_resp (ST_UINT32 invoke_id)
  {
  return (_mms_fin_null_resp (invoke_id,MMSOP_START));
  }
#endif