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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 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) 2008-2019 University of Houston. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "common_ompio_request.h"
#include "common_ompio_buffer.h"
static void mca_common_ompio_request_construct(mca_ompio_request_t* req);
static void mca_common_ompio_request_destruct(mca_ompio_request_t *req);
bool mca_common_ompio_progress_is_registered=false;
/*
* Global list of requests for this component
*/
opal_list_t mca_common_ompio_pending_requests = {{0}};
static int mca_common_ompio_request_free ( struct ompi_request_t **req)
{
mca_ompio_request_t *ompio_req = ( mca_ompio_request_t *)*req;
if ( NULL != ompio_req->req_tbuf ) {
if ( MCA_OMPIO_REQUEST_READ == ompio_req->req_type ){
struct iovec decoded_iov;
uint32_t iov_count=1;
size_t pos=0;
decoded_iov.iov_base = ompio_req->req_tbuf;
decoded_iov.iov_len = ompio_req->req_size;
opal_convertor_unpack (&ompio_req->req_convertor, &decoded_iov, &iov_count, &pos );
}
mca_common_ompio_release_buf ( NULL, ompio_req->req_tbuf );
}
if ( NULL != ompio_req->req_free_fn ) {
ompio_req->req_free_fn (ompio_req );
}
opal_list_remove_item (&mca_common_ompio_pending_requests, &ompio_req->req_item);
OBJ_RELEASE (*req);
*req = MPI_REQUEST_NULL;
return OMPI_SUCCESS;
}
static int mca_common_ompio_request_cancel ( struct ompi_request_t *req, int flag)
{
return OMPI_SUCCESS;
}
OBJ_CLASS_INSTANCE(mca_ompio_request_t, ompi_request_t,
mca_common_ompio_request_construct,
mca_common_ompio_request_destruct);
void mca_common_ompio_request_construct(mca_ompio_request_t* req)
{
OMPI_REQUEST_INIT (&(req->req_ompi), false );
req->req_ompi.req_free = mca_common_ompio_request_free;
req->req_ompi.req_cancel = mca_common_ompio_request_cancel;
req->req_ompi.req_type = OMPI_REQUEST_IO;
req->req_data = NULL;
req->req_tbuf = NULL;
req->req_size = 0;
req->req_progress_fn = NULL;
req->req_free_fn = NULL;
OBJ_CONSTRUCT(&req->req_item, opal_list_item_t);
opal_list_append (&mca_common_ompio_pending_requests, &req->req_item);
return;
}
void mca_common_ompio_request_destruct(mca_ompio_request_t* req)
{
OMPI_REQUEST_FINI ( &(req->req_ompi));
OBJ_DESTRUCT (&req->req_item);
if ( NULL != req->req_data ) {
free (req->req_data);
}
return;
}
void mca_common_ompio_request_init ( void )
{
/* Create the list of pending requests */
OBJ_CONSTRUCT(&mca_common_ompio_pending_requests, opal_list_t);
return;
}
void mca_common_ompio_request_fini ( void )
{
/* Destroy the list of pending requests */
/* JMS: Good opportunity here to list out all the IO requests that
were not destroyed / completed upon MPI_FINALIZE */
OBJ_DESTRUCT(&mca_common_ompio_pending_requests);
return;
}
void mca_common_ompio_request_alloc ( mca_ompio_request_t **req, mca_ompio_request_type_t type )
{
mca_ompio_request_t *ompio_req = NULL;
ompio_req = OBJ_NEW(mca_ompio_request_t);
ompio_req->req_type = type;
ompio_req->req_ompi.req_state = OMPI_REQUEST_ACTIVE;
*req=ompio_req;
return;
}
void mca_common_ompio_register_progress ( void )
{
if ( false == mca_common_ompio_progress_is_registered) {
opal_progress_register (mca_common_ompio_progress);
mca_common_ompio_progress_is_registered=true;
}
return;
}
int mca_common_ompio_progress ( void )
{
mca_ompio_request_t *req=NULL;
opal_list_item_t *litem=NULL;
int completed=0;
OPAL_LIST_FOREACH(litem, &mca_common_ompio_pending_requests, opal_list_item_t) {
req = GET_OMPIO_REQ_FROM_ITEM(litem);
if( REQUEST_COMPLETE(&req->req_ompi) ) {
continue;
}
if ( NULL != req->req_progress_fn ) {
if ( req->req_progress_fn(req) ) {
completed++;
ompi_request_complete (&req->req_ompi, true);
/* The fbtl progress function is expected to set the
* status elements
*/
}
}
}
return completed;
}
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