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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Analysis shipping for local enumeration of data on remote storage.
*/
/****************/
/* Module Setup */
/****************/
/* Interface initialization */
//#define H5_INTERFACE_INIT_FUNC H5AS_init_interface
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5ASprivate.h" /* Analysis shipping */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Pprivate.h"
#include "H5ESprivate.h" /* Event Stacks */
#include "H5VLiod_client.h"
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5ASinvoke
*
* Purpose: Invoke the query on file_name/obj_name, run split_script
* on the query result, combine the results and run combine_script.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
herr_t
H5ASinvoke(const char *file_name, hid_t query_id, const char *split_script,
const char *combine_script, const char *integrate_script, hid_t estack_id)
{
herr_t ret_value;
FUNC_ENTER_API(FAIL)
H5TRACE6("e", "*si*s*s*si", file_name, query_id, split_script, combine_script,
integrate_script, estack_id);
/* Check argument and retrieve object */
if(file_name == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL file name")
/* It is allowed to have split_script and combine_script to be NULL */
/* H5AS_invoke */
if((ret_value = H5AS_invoke(file_name, query_id, split_script,
combine_script, integrate_script, estack_id)) < 0)
HGOTO_ERROR(H5E_QUERY, H5E_CANTENCODE, FAIL, "can't start analysis"
"shipping execution")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5ASinvoke() */
/*-------------------------------------------------------------------------
* Function: H5AS_invoke
*
* Purpose: Private routine for H5ASinvoke.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
herr_t
H5AS_invoke(const char *file_name, hid_t query_id, const char *split_script,
const char *combine_script, const char *integrate_script, hid_t estack_id)
{
H5_priv_request_t *request = NULL; /* private request struct inserted in event queue */
void **req = NULL; /* pointer to plugin generate requests (Stays NULL if plugin does not support async */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
HDassert(file_name);
if(estack_id != H5_EVENT_STACK_NULL) {
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "works only synchronously for now");
}
/* Get the data through the IOD VOL */
if((ret_value = H5VL_iod_analysis_invoke(file_name, query_id, split_script,
combine_script, integrate_script, req)) < 0)
HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL,
"can't start iod analysis shipping execution")
if(request && *req) {
if(H5ES_insert(estack_id, request) < 0)
HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL,
"failed to insert request in event stack");
}
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5AS_invoke */
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