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/*
* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2012 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/info/info.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "orte/mca/snapc/snapc.h"
#include "ompi/mpiext/cr/c/mpiext_cr_c.h"
static const char FUNC_NAME[] = "OMPI_CR_Quiesce_start";
int OMPI_CR_Quiesce_start(MPI_Comm commP, MPI_Info *info)
{
int ret = MPI_SUCCESS;
MPI_Comm comm = MPI_COMM_WORLD; /* Currently ignore provided comm */
orte_snapc_base_request_op_t *datum = NULL;
int my_rank;
/* argument checking */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
}
/*
* Setup the data structure for the operation
*/
datum = OBJ_NEW(orte_snapc_base_request_op_t);
datum->event = ORTE_SNAPC_OP_QUIESCE_START;
datum->is_active = true;
MPI_Comm_rank(comm, &my_rank);
if( 0 == my_rank ) {
datum->leader = OMPI_PROC_MY_NAME->vpid;
} else {
datum->leader = -1; /* Unknown from non-root ranks */
}
/*
* All processes must make this call before it can start
*/
MPI_Barrier(comm);
/*
* Leader sends the request
*/
OPAL_CR_ENTER_LIBRARY();
ret = orte_snapc.request_op(datum);
/*ret = ompi_crcp_base_quiesce_start(info);*/
if( OMPI_SUCCESS != ret ) {
OBJ_RELEASE(datum);
OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_OTHER,
FUNC_NAME);
}
OPAL_CR_EXIT_LIBRARY();
datum->is_active = false;
OBJ_RELEASE(datum);
/*
* (Old) info logic
*/
/*ompi_info_set((ompi_info_t*)*info, "target", cur_datum.target_dir);*/
return ret;
}
/*****************
* Local Functions
******************/
#if 0
/* Info keys:
*
* - crs:
* none = (Default) No CRS Service
* default = Whatever CRS service MPI chooses
* blcr = BLCR
* self = app level callbacks
*
* - cmdline:
* Command line to restart the process with.
* If empty, the user must manually enter it
*
* - target:
* Absolute path to the target directory.
*
* - handle:
* first = Earliest checkpoint directory available
* last = Most recent checkpoint directory available
* [global:local] = handle provided by the MPI library
*
* - restarting:
* 0 = not restarting
* 1 = restarting
*
* - checkpointing:
* 0 = No need to prepare for checkpointing
* 1 = MPI should prepare for checkpointing
*
* - inflight:
* default = message
* message = Drain inflight messages at the message level
* network = Drain inflight messages at the network level (if possible)
*
* - user_space_mem:
* 0 = Memory does not need to be managed
* 1 = Memory must be in user space (i.e., not on network card
*
*/
static int extract_info_into_datum(ompi_info_t *info, orte_snapc_base_quiesce_t *datum)
{
int info_flag = false;
int max_crs_len = 32;
bool info_bool = false;
char *info_char = NULL;
info_char = (char *) malloc(sizeof(char) * (OPAL_PATH_MAX+1));
/*
* Key: crs
*/
ompi_info_get(info, "crs", max_crs_len, info_char, &info_flag);
if( info_flag) {
datum->crs_name = strdup(info_char);
}
/*
* Key: cmdline
*/
ompi_info_get(info, "cmdline", OPAL_PATH_MAX, info_char, &info_flag);
if( info_flag) {
datum->cmdline = strdup(info_char);
}
/*
* Key: handle
*/
ompi_info_get(info, "handle", OPAL_PATH_MAX, info_char, &info_flag);
if( info_flag) {
datum->handle = strdup(info_char);
}
/*
* Key: target
*/
ompi_info_get(info, "target", OPAL_PATH_MAX, info_char, &info_flag);
if( info_flag) {
datum->target_dir = strdup(info_char);
}
/*
* Key: restarting
*/
ompi_info_get_bool(info, "restarting", &info_bool, &info_flag);
if( info_flag ) {
datum->restarting = info_bool;
} else {
datum->restarting = false;
}
/*
* Key: checkpointing
*/
ompi_info_get_bool(info, "checkpointing", &info_bool, &info_flag);
if( info_flag ) {
datum->checkpointing = info_bool;
} else {
datum->checkpointing = false;
}
/*
* Display all values
*/
OPAL_OUTPUT_VERBOSE((3, mca_crcp_bkmrk_component.super.output_handle,
"crcp:bkmrk: %s extract_info: Info('crs' = '%s')",
OMPI_NAME_PRINT(OMPI_PROC_MY_NAME),
(NULL == datum->crs_name ? "Default (none)" : datum->crs_name)));
OPAL_OUTPUT_VERBOSE((3, mca_crcp_bkmrk_component.super.output_handle,
"crcp:bkmrk: %s extract_info: Info('cmdline' = '%s')",
OMPI_NAME_PRINT(OMPI_PROC_MY_NAME),
(NULL == datum->cmdline ? "Default ()" : datum->cmdline)));
OPAL_OUTPUT_VERBOSE((3, mca_crcp_bkmrk_component.super.output_handle,
"crcp:bkmrk: %s extract_info: Info('checkpointing' = '%c')",
OMPI_NAME_PRINT(OMPI_PROC_MY_NAME),
(datum->checkpointing ? 'T' : 'F')));
OPAL_OUTPUT_VERBOSE((3, mca_crcp_bkmrk_component.super.output_handle,
"crcp:bkmrk: %s extract_info: Info('restarting' = '%c')",
OMPI_NAME_PRINT(OMPI_PROC_MY_NAME),
(datum->restarting ? 'T' : 'F')));
if( NULL != info_char ) {
free(info_char);
info_char = NULL;
}
return OMPI_SUCCESS;
}
#endif
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