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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2013-2016 University of Houston. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "sharedfp_individual.h"
#include "mpi.h"
#include "ompi/constants.h"
#include "ompi/mca/sharedfp/sharedfp.h"
#include "ompi/mca/sharedfp/base/base.h"
#include <stdlib.h>
#include <stdio.h>
#include "mpi.h"
int mca_sharedfp_individual_insert_metadata(int functype,long recordlength,struct mca_sharedfp_base_data_t *sh )
{
int ret = OMPI_SUCCESS;
mca_sharedfp_individual_metadata_node *newnode = NULL;
mca_sharedfp_individual_metadata_node *tempnode = NULL;
mca_sharedfp_individual_header_record *headnode = NULL;
headnode = (mca_sharedfp_individual_header_record*)sh->selected_module_data;
if ( NULL == headnode) {
opal_output (0, "sharedfp_individual_insert_metadat: headnode is NULL but file is open\n");
return OMPI_ERROR;
}
if ( mca_sharedfp_individual_verbose ) {
opal_output(ompi_sharedfp_base_framework.framework_output,
"sharedfp_individual_insert_metadata: Headnode->numofrecords = %d\n",
headnode->numofrecords);
}
/* Check if the maximum limit is reached for the records in the linked list*/
if (headnode->numofrecords == MAX_METADATA_RECORDS) {
/* Entire linked list is now deleted and a new file*/
ret = mca_sharedfp_individual_write_metadata_file(sh);
headnode->next = NULL;
}
/* Allocate a new Node */
newnode = (mca_sharedfp_individual_metadata_node*)malloc(sizeof(mca_sharedfp_individual_metadata_node));
if (NULL == newnode) {
opal_output(0,"mca_sharedfp_individual_insert_metadata:Error while allocating new node\n");
return OMPI_ERR_OUT_OF_RESOURCE;
}
/*numofrecords will always carry the number of records present in the metadata linked list*/
headnode->numofrecords = headnode->numofrecords + 1;
newnode->recordid = functype;
newnode->timestamp = mca_sharedfp_individual_gettime();
newnode->localposition = headnode->datafile_offset; /* Datafile offset*/
newnode->recordlength = recordlength;
newnode->next = NULL;
if ( headnode->next == NULL) {
/*headnode allocated but no further metadata node is allocated*/
headnode->next = newnode;
}
else {
/*We need to append the new node*/
tempnode = headnode->next;
while(tempnode->next) {
tempnode = tempnode->next;
}
tempnode->next = newnode;
}
return ret;
}
int mca_sharedfp_individual_write_metadata_file(struct mca_sharedfp_base_data_t *sh)
{
mca_sharedfp_individual_metadata_node *current = NULL;
struct mca_sharedfp_individual_record2 buff;
mca_sharedfp_individual_header_record *headnode = NULL;
int ret=OMPI_SUCCESS;
MPI_Status status;
headnode = (mca_sharedfp_individual_header_record*)sh->selected_module_data;
if (headnode->numofrecordsonfile == 0)
headnode->metadatafile_offset = headnode->metafile_start_offset;
current = headnode->next;
while (current != NULL) {
/*Read from the linked list*/
buff.recordid = current->recordid;
buff.timestamp = current->timestamp;
buff.localposition = current->localposition;
buff.recordlength = current->recordlength;
if ( mca_sharedfp_individual_verbose ) {
opal_output(ompi_sharedfp_base_framework.framework_output,
"sharedfp_individual_write_metadata_file: Buff recordid %ld\n",buff.recordid);
opal_output(ompi_sharedfp_base_framework.framework_output,
"sharedfp_individual_write_metadata_file: Buff timestamp %f\n", buff.timestamp);
opal_output(ompi_sharedfp_base_framework.framework_output,
"sharedfp_individual_write_metadata_file: Buff localposition %lld\n",buff.localposition);
opal_output(ompi_sharedfp_base_framework.framework_output,
"sharedfp_individual_write_metadata_file: Buff recordlength %ld\n",buff.recordlength);
opal_output(ompi_sharedfp_base_framework.framework_output,
"sharedfp_individual_write_metadata_file: Size of buff %ld\n",sizeof(buff));
}
headnode->next = current->next;
free(current);
current = (headnode)->next;
/*Write to the metadata file*/
ret = mca_common_ompio_file_write_at ( (headnode)->metadatafilehandle,
(headnode)->metadatafile_offset,
&buff,32, MPI_BYTE, &status);
if ( OMPI_SUCCESS != ret ) {
goto exit;
}
(headnode)->numofrecordsonfile = headnode->numofrecordsonfile + 1;
(headnode)->metadatafile_offset = (headnode)->metadatafile_offset + sizeof(buff);
}
/*All records are being read from the linked list and written to the file*/
(headnode)->numofrecords = 0;
exit:
return ret;
}
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