244 lines
8.4 KiB
C
244 lines
8.4 KiB
C
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/************************************************************************/
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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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/* 1994 - 2004, All Rights Reserved */
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/* */
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/* MODULE NAME : c_read.c */
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/* PRODUCT(S) : MMSEASE-LITE */
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/* */
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/* MODULE DESCRIPTION : */
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/* */
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/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
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/* mvl_read_variables */
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/* mvla_read_variables */
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/* _mvl_process_read_conf */
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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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/* 04/09/07 MDE 20 Enhanced filtered logging */
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/* 08/09/04 JRB 19 Log if type_id invalid. */
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/* 11/01/01 JRB 18 mvl_wait_req_done now returns ST_RET. */
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/* 09/21/01 JRB 17 Alloc global bufs only once at startup. */
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/* 03/07/01 JRB 16 Del LOCK on sync functs: caused deadlocks. */
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/* 03/08/00 JRB 15 Del #ifdef MVL_REQ_BUF_ENABLED: not used. */
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/* Del mvl_free_req_ctrl call. User must call. */
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/* Del invoke_id, numpend_req: see mvl_send_req.*/
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/* 01/21/00 MDE 14 Now use MEM_SMEM for dynamic memory */
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/* 01/21/00 MDE 13 Use '_mvl_get_req_buf' for MVL_REQ_BUF_EN.. */
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/* 11/19/99 NAV 12 Add #ifdef MVL_REQ_BUF_ENABLED */
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/* 10/20/99 NAV 11 Add maxpend_req support to aynsc functions */
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/* 09/13/99 MDE 10 Added SD_CONST modifiers */
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/* 12/08/98 MDE 09 Added client alternate access support */
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/* 11/17/98 MDE 08 Now use MVL_ERR_COMM_SERVE_ACTIVE error code */
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/* Use MVL_SYNC_REQ_INTERFACE */
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/* 11/16/98 MDE 07 Renamed internal functions (prefix '_') */
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/* 09/21/98 MDE 06 Minor lint cleanup */
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/* 06/15/98 MDE 05 Changes to allow compile under C++ */
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/* 05/22/98 JRB 04 Pass (MVL_REQ_PEND**) to sync function also. */
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/* 04/16/98 JRB 03 Conf func: Let caller do "common" stuff. */
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/* Always set (*req_out) so user can always free*/
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/* 02/10/98 MDE 02 Removed NEST_RT_TYPES support */
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/* 09/10/97 MDE 01 MMS-LITE V4.0 Release */
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/************************************************************************/
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#include "glbtypes.h"
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#include "sysincs.h"
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#include "glbsem.h"
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#include "mmsdefs.h"
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#include "mms_pvar.h"
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#include "mms_vvar.h"
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#include "mvl_defs.h"
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#include "mvl_log.h"
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/************************************************************************/
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/* For debug version, use a static pointer to avoid duplication of */
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/* __FILE__ strings. */
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/************************************************************************/
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#ifdef DEBUG_SISCO
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SD_CONST static ST_CHAR *SD_CONST thisFileName = __FILE__;
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#endif
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/************************************************************************/
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/************************************************************************/
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#if defined(MVL_SYNC_REQ_INTERFACE)
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ST_RET mvl_read_variables (MVL_NET_INFO *net_info,
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READ_REQ_INFO *read_info,
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ST_INT num_data,
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MVL_READ_RESP_PARSE_INFO *parse_info,
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MVL_REQ_PEND **req_out)
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{
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ST_RET rc;
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if (_mvl_comm_serve_active == SD_TRUE)
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{
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MVL_LOG_NERR0 ("Error: mvl_comm_serv active");
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return (MVL_ERR_COMM_SERVE_ACTIVE);
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}
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rc = mvla_read_variables (net_info, read_info, num_data, parse_info, req_out);
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if (rc == SD_SUCCESS)
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rc = mvl_wait_req_done (*req_out);
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return (rc);
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}
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#endif
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/************************************************************************/
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ST_RET mvla_read_variables (MVL_NET_INFO *net_info,
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READ_REQ_INFO *read_info,
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ST_INT num_data,
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MVL_READ_RESP_PARSE_INFO *parse_info,
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MVL_REQ_PEND **req_out)
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{
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ST_RET rc;
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MVL_REQ_PEND *req_pend;
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*req_out = req_pend = _mvl_get_req_ctrl (net_info, MMSOP_READ);
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if (!req_pend)
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return (MVL_ERR_REQ_CONTROL);
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req_pend->u.rd.parse_info = parse_info;
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req_pend->u.rd.num_data = num_data;
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S_LOCK_COMMON_RESOURCES ();
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rc = _mvla_send_read_variables (net_info, read_info, num_data, parse_info, req_pend);
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S_UNLOCK_COMMON_RESOURCES ();
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return (rc);
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}
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/************************************************************************/
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/* _mvla_send_read_variables */
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/************************************************************************/
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ST_RET _mvla_send_read_variables (MVL_NET_INFO *net_info,
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READ_REQ_INFO *read_info,
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ST_INT num_data,
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MVL_READ_RESP_PARSE_INFO *parse_info,
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MVL_REQ_PEND *req_pend)
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{
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ST_RET rc;
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VARIABLE_LIST *vl;
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ST_INT i;
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#if defined(MVL_AA_SUPP)
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if (read_info->va_spec.var_acc_tag == VAR_ACC_VARLIST)
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{
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vl = (VARIABLE_LIST *) (read_info + 1);
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for (i = 0; i < num_data; ++i, ++vl)
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{
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if (parse_info[i].alt_acc_pres == SD_TRUE)
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{
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rc = _mvl_get_asn1_aa (parse_info[i].alt_acc, vl);
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if (rc != SD_SUCCESS)
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{
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MVL_LOG_NERR0 ("Error creating ASN.1 encoded Alternate Access");
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return (SD_FAILURE);
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}
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}
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}
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}
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#endif
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/* Build a read request */
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rc = mpl_read (read_info);
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if (rc == SD_SUCCESS)
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mpl_req_log (req_pend, read_info);
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#if defined(MVL_AA_SUPP)
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_m_free_aa_asn1_buf ();
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#endif
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rc = _mvl_send_req (net_info, req_pend, rc);
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return (rc);
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}
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/************************************************************************/
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ST_VOID _mvl_process_read_conf (MVL_REQ_PEND *req)
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{
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ST_INT i;
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RUNTIME_TYPE *rt;
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ST_INT rt_len;
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READ_RESP_INFO *read_info;
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ACCESS_RESULT *ar_ptr;
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MVL_READ_RESP_PARSE_INFO *parse_table;
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ST_INT num_variables;
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ST_BOOLEAN packed_save;
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read_info = (READ_RESP_INFO *) req->event->u.mms.dec_rslt.data_ptr;
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ar_ptr = read_info->acc_rslt_list;
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/* retrieve parse information */
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parse_table = req->u.rd.parse_info;
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num_variables = req->u.rd.num_data;
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/* just a sanity check */
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if (num_variables != read_info->num_of_acc_result)
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{
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MVL_LOG_NERR0 ("Read Confirmation : num var != num result");
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req->result = SD_FAILURE;
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return;
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}
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/* For each variable returned in the read response ... */
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for (i = 0; i < num_variables; ++i, ++ar_ptr, ++parse_table)
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{ /* check for successfull read of this variable */
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if (ar_ptr->acc_rslt_tag == ACC_RSLT_SUCCESS)
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{
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/* convert data in read buffer to local representation */
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/* and store in local buffer */
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if (mvl_get_runtime (parse_table->type_id,&rt, &rt_len) == SD_SUCCESS)
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{
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if (parse_table->descr_arr)
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{
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mvl_mod_arr_size (rt, parse_table->arr_size);
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}
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#if defined(MVL_AA_SUPP)
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if (parse_table->alt_acc_pres == SD_TRUE &&
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parse_table->alt_acc_type_aa == SD_FALSE)
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{
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packed_save = m_alt_acc_packed;
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m_alt_acc_packed = parse_table->alt_acc_data_packed;
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parse_table->result = ms_asn1_to_local_aa (rt, rt_len,
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parse_table->alt_acc,
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ar_ptr->va_data.data,
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ar_ptr->va_data.len,
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(ST_CHAR *) parse_table->dest);
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m_alt_acc_packed = packed_save;
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}
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else /* No alternate access */
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{
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parse_table->result = ms_asn1_to_local (rt, rt_len,
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ar_ptr->va_data.data,
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ar_ptr->va_data.len,
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(ST_CHAR *) parse_table->dest);
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}
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#else /* We don't support alternate access */
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parse_table->result = ms_asn1_to_local (rt, rt_len,
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ar_ptr->va_data.data,
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ar_ptr->va_data.len,
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(ST_CHAR *) parse_table->dest);
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#endif /* #if defined(MVL_AA_SUPP) */
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}
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else /* bad type ID */
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{
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MVL_LOG_NERR2 ("Read Confirmation : type_id %d invalid for variable #%d", parse_table->type_id, i);
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parse_table->result = SD_FAILURE;
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}
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}
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else /* access result == failure */
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parse_table->result = SD_FAILURE;
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} /* for each variable */
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}
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