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mmslib/mmsl/mmscancl.c

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+/************************************************************************/
+/* SISCO SOFTWARE MODULE HEADER *****************************************/
+/************************************************************************/
+/*   (c) Copyright Systems Integration Specialists Company, Inc.,	*/
+/*      	  1993 - 2001, All Rights Reserved.		        */
+/*									*/
+/*		    PROPRIETARY AND CONFIDENTIAL			*/
+/*									*/
+/* MODULE NAME : mmscancl.c						*/
+/* PRODUCT(S)  : MMSEASE, MMSEASE-LITE					*/
+/*									*/
+/* MODULE DESCRIPTION : 						*/
+/*	This module contains the common function to encode a conclude	*/
+/*	operation.  Note that the cancel request and the cancel 	*/
+/*	response are the same.						*/
+/*									*/
+/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE :				*/
+/*									*/
+/* MODIFICATION LOG :							*/
+/*  Date     Who   Rev			Comments			*/
+/* --------  ---  ------   -------------------------------------------	*/
+/* 12/20/01  JRB     02    Converted to use ASN1R (re-entrant ASN1)	*/
+/* 09/13/99  MDE     01    Added SD_CONST modifiers			*/
+/* 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 "asn1defs.h"
+
+/************************************************************************/
+/* For debug version, use a static pointer to avoid duplication of 	*/
+/* __FILE__ strings.							*/
+
+#ifdef DEBUG_SISCO
+SD_CONST static ST_CHAR *SD_CONST thisFileName = __FILE__;
+#endif
+
+/************************************************************************/
+/*			_ms_mk_cancel					*/
+/* Construct a cancel response or request PDU.				*/
+/************************************************************************/
+
+ST_UCHAR *_ms_mk_cancel (ASN1_ENC_CTXT *aCtx, ST_BOOLEAN request, ST_UCHAR *msg_ptr, ST_INT buf_len, ST_UINT32 id)
+  {
+ST_UCHAR	*msg_start;			
+#ifdef DEBUG_SISCO
+ST_INT	msg_len;			/* Used for debug print only 	*/
+#endif
+
+  asn1r_strt_asn1_bld (aCtx, msg_ptr,buf_len);	/* init the ASN.1 tools 	*/
+
+  asn1r_wr_u32 (aCtx, id);				/* write the invoke id		*/
+
+/* Finish the PDU with the correct context tag. 			*/
+  if (request)
+    asn1r_fin_prim (aCtx, MMSCANREQ,CTX);
+  else
+    asn1r_fin_prim (aCtx, MMSCANRESP,CTX);
+
+  msg_start = aCtx->asn1r_field_ptr + 1;
+#ifdef DEBUG_SISCO
+  msg_len = (msg_ptr + buf_len) - msg_start;
+  MLOG_ENC1 ("CANCEL response built, len = %d", msg_len);
+  MLOG_ENCH (msg_len,msg_start);
+  MLOG_PAUSEENC (NULL);
+#endif
+
+  return (msg_start);
+  }