140 lines
4.7 KiB
C
140 lines
4.7 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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/* 1998 - 1998, All Rights Reserved */
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/* */
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/* MODULE NAME : c_fread.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_fread */
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/* mvla_fread */
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/* _mvl_process_fread_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 14 Enhanced filtered logging */
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/* 11/01/01 JRB 13 mvl_wait_req_done now returns ST_RET. */
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/* 09/21/01 JRB 12 Alloc global bufs only once at startup. */
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/* 03/07/01 JRB 11 Del LOCK on sync functs: caused deadlocks. */
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/* 03/08/00 JRB 10 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 09 Now use MEM_SMEM for dynamic memory */
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/* 01/21/00 MDE 08 Use '_mvl_get_req_buf' for MVL_REQ_BUF_EN.. */
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/* 11/19/99 NAV 07 Add #ifdef MVL_REQ_BUF_ENABLED */
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/* 10/26/99 NAV 06 Add maxpend_req support to aynsc functions */
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/* 09/13/99 MDE 05 Added SD_CONST modifiers */
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/* 11/17/98 MDE 04 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 03 Renamed internal functions (prefix '_') */
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/* 06/15/98 MDE 02 Changes to allow compile under C++ */
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/* 03/27/98 JRB 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_pvmd.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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/* mvl_fread */
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/************************************************************************/
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#if defined(MVL_SYNC_REQ_INTERFACE)
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ST_RET mvl_fread (
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MVL_NET_INFO *net_info,
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FREAD_REQ_INFO *req_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_fread (net_info, req_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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/* mvla_fread */
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/************************************************************************/
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ST_RET mvla_fread (
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MVL_NET_INFO *net_info,
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FREAD_REQ_INFO *req_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_FILE_READ);
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if (!req_pend)
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return (MVL_ERR_REQ_CONTROL);
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S_LOCK_COMMON_RESOURCES ();
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rc = _mvla_send_fread (net_info, req_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_fread */
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/************************************************************************/
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ST_RET _mvla_send_fread (MVL_NET_INFO *net_info,
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FREAD_REQ_INFO *req_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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/* Build a fread request */
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rc = mpl_fread (req_info);
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if (rc == SD_SUCCESS)
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mpl_req_log (req_pend, req_info);
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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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/* _mvl_process_fread_conf */
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/************************************************************************/
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ST_VOID _mvl_process_fread_conf (MVL_REQ_PEND *req_pend)
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{
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req_pend->u.fread.resp_info =
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(FREAD_RESP_INFO *) req_pend->event->u.mms.dec_rslt.data_ptr;
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/* NOTE: This function has the SIGNIFICANT advantage that it avoids */
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/* allocating another buffer and copying the "filedata" which may be */
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/* large. This can be done because the "event" is not freed until the */
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/* user calls "mvl_free_req_ctrl" when they are done with the data. */
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}
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