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/*
* Copyright (c) 2004-2009 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2008 The Trustees of the University of Tennessee.
* 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) 2007 Evergrid, Inc. All rights reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "opal/util/opal_environ.h"
#include "opal/util/output.h"
#include "orte/constants.h"
#include "orte/mca/snapc/snapc.h"
#include "orte/mca/snapc/base/base.h"
#include "orte/mca/snapc/base/static-components.h"
#if ORTE_DISABLE_FULL_SUPPORT
/* have to include a bogus function here so that
* the build system sees at least one function
* in the library
*/
int orte_snapc_base_open(void)
{
return ORTE_SUCCESS;
}
#else
/*
* Globals
*/
int orte_snapc_base_output = -1;
bool orte_snapc_base_is_tool = false;
orte_snapc_base_module_t orte_snapc = {
NULL, /* snapc_init */
NULL, /* snapc_finalize */
NULL, /* setup_job */
NULL /* release_job */
};
opal_list_t orte_snapc_base_components_available;
orte_snapc_base_component_t orte_snapc_base_selected_component;
orte_snapc_coord_type_t orte_snapc_coord_type = ORTE_SNAPC_UNASSIGN_TYPE;
char * orte_snapc_base_global_snapshot_dir = NULL;
char * orte_snapc_base_global_snapshot_loc = NULL;
char * orte_snapc_base_global_snapshot_ref = NULL;
bool orte_snapc_base_store_in_place = true;
bool orte_snapc_base_store_only_one_seq = false;
bool orte_snapc_base_establish_global_snapshot_dir = false;
bool orte_snapc_base_is_global_dir_shared = false;
/**
* Function for finding and opening either all MCA components,
* or the one that was specifically requested via a MCA parameter.
*/
int orte_snapc_base_open(void)
{
int value = 0;
char * str_value = NULL;
OPAL_OUTPUT_VERBOSE((10, orte_snapc_base_output,
"snapc:base: open()"));
orte_snapc_base_output = opal_output_open(NULL);
/* Global Snapshot directory */
mca_base_param_reg_string_name("snapc",
"base_global_snapshot_dir",
"The base directory to use when storing global snapshots",
false, false,
opal_home_directory(),
&orte_snapc_base_global_snapshot_dir);
mca_base_param_reg_int_name("snapc",
"base_global_shared",
"If the global_snapshot_dir is on a shared file system all nodes can access, "
"then the checkpoint files can be copied more efficiently when FileM is used."
" [Default = disabled]",
false, false,
0,
&value);
orte_snapc_base_is_global_dir_shared = OPAL_INT_TO_BOOL(value);
OPAL_OUTPUT_VERBOSE((20, orte_snapc_base_output,
"snapc:base: open: base_global_snapshot_dir = %s (%s)",
orte_snapc_base_global_snapshot_dir,
(orte_snapc_base_is_global_dir_shared ? "Shared" : "Local") ));
/*
* Store the checkpoint files in their final location.
* This assumes that the storage place is on a shared file
* system that all nodes can access uniformly.
* Default = enabled
*/
mca_base_param_reg_int_name("snapc",
"base_store_in_place",
"If global_snapshot_dir is on a shared file system all nodes can access, "
"then the checkpoint files can be stored in place instead of incurring a "
"remote copy. [Default = enabled]",
false, false,
1,
&value);
orte_snapc_base_store_in_place = OPAL_INT_TO_BOOL(value);
OPAL_OUTPUT_VERBOSE((20, orte_snapc_base_output,
"snapc:base: open: base_store_in_place = %d",
orte_snapc_base_store_in_place));
/*
* Reuse sequence numbers
* This will create a directory and always use seq 0 for all checkpoints
* This *should* also enforce a 2-phase commit protocol
*/
mca_base_param_reg_int_name("snapc_base",
"only_one_seq",
"Only store the most recent checkpoint sequence. [Default = disabled]",
false, false,
0,
&value);
orte_snapc_base_store_only_one_seq = OPAL_INT_TO_BOOL(value);
OPAL_OUTPUT_VERBOSE((20, orte_snapc_base_output,
"snapc:base: open: base_only_one_seq = %d",
orte_snapc_base_store_only_one_seq));
/*
* Pre-establish the global snapshot directory upon job registration
*/
mca_base_param_reg_int_name("snapc_base",
"establish_global_snapshot_dir",
"Establish the global snapshot directory on job startup. [Default = disabled]",
false, false,
0,
&value);
orte_snapc_base_establish_global_snapshot_dir = OPAL_INT_TO_BOOL(value);
OPAL_OUTPUT_VERBOSE((20, orte_snapc_base_output,
"snapc:base: open: base_establish_global_snapshot_dir = %d",
orte_snapc_base_establish_global_snapshot_dir));
/*
* User defined global snapshot directory name for this job
*/
mca_base_param_reg_string_name("snapc_base",
"global_snapshot_ref",
"The global snapshot reference to be used for this job. "
" [Default = ompi_global_snapshot_MPIRUNPID.ckpt]",
false, false,
NULL,
&orte_snapc_base_global_snapshot_ref);
OPAL_OUTPUT_VERBOSE((20, orte_snapc_base_output,
"snapc:base: open: base_global_snapshot_ref = %s",
orte_snapc_base_global_snapshot_ref));
/* Init the sequence (interval) number */
orte_snapc_base_snapshot_seq_number = 0;
if( NULL == orte_snapc_base_global_snapshot_loc ) {
char *t1 = NULL;
char *t2 = NULL;
orte_snapc_base_unique_global_snapshot_name(&t1, getpid() );
orte_snapc_base_get_global_snapshot_directory(&t2, t1 );
orte_snapc_base_global_snapshot_loc = strdup(t2);
free(t1);
free(t2);
}
/*
* Which SnapC component to open
* - NULL or "" = auto-select
* - "none" = Empty component
* - ow. select that specific component
* Note: Set the default to NULL here so ompi_info will work correctly,
* The 'real' default is set in base_select.c
*/
mca_base_param_reg_string_name("snapc", NULL,
"Which SNAPC component to use (empty = auto-select)",
false, false,
NULL, &str_value);
if( NULL != str_value ) {
free(str_value);
}
/* Open up all available components */
if (OPAL_SUCCESS !=
mca_base_components_open("snapc",
orte_snapc_base_output,
mca_snapc_base_static_components,
&orte_snapc_base_components_available,
true)) {
return ORTE_ERROR;
}
return ORTE_SUCCESS;
}
#endif /* ORTE_DISABLE_FULL_SUPPORT */
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