401 строка
10 KiB
C
401 строка
10 KiB
C
/*
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* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/** @file
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*
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* ORTE Layer Checkpoint/Restart Runtime functions
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*
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif /* HAVE_FCNTL_H */
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif /* HAVE_SYS_TYPES_H */
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h> /* for mkfifo */
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#endif /* HAVE_SYS_STAT_H */
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#include "opal/util/opal_environ.h"
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#include "opal/util/output.h"
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#include "opal/util/basename.h"
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#include "opal/mca/event/event.h"
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#include "opal/mca/crs/crs.h"
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#include "opal/mca/crs/base/base.h"
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#include "opal/runtime/opal_cr.h"
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#include "orte/runtime/orte_cr.h"
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#include "orte/util/proc_info.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/plm/base/base.h"
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#include "orte/mca/ess/ess.h"
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#include "orte/mca/ess/base/base.h"
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#include "orte/mca/routed/base/base.h"
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#include "orte/mca/routed/routed.h"
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#include "orte/mca/rml/base/base.h"
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#include "orte/mca/iof/base/base.h"
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#include "orte/mca/snapc/snapc.h"
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#include "orte/mca/snapc/base/base.h"
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#include "orte/mca/filem/base/base.h"
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/*************
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* Local functions
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*************/
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static int orte_cr_coord_pre_ckpt(void);
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static int orte_cr_coord_pre_restart(void);
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static int orte_cr_coord_pre_continue(void);
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static int orte_cr_coord_post_ckpt(void);
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static int orte_cr_coord_post_restart(void);
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static int orte_cr_coord_post_continue(void);
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bool orte_cr_flush_restart_files = true;
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/*************
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* Local vars
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*************/
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static opal_cr_coord_callback_fn_t prev_coord_callback = NULL;
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static int orte_cr_output = -1;
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static int orte_cr_verbose = 0;
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/*
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* CR Init
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*/
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int orte_cr_init(void)
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{
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int ret, exit_status = ORTE_SUCCESS;
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/*
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* OPAL Frameworks
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*/
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if (OPAL_SUCCESS != (ret = opal_cr_init() ) ) {
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exit_status = ret;
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goto cleanup;
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}
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/*
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* Register MCA Parameters
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*/
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orte_cr_verbose = 0;
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(void) mca_base_var_register ("orte", "orte_cr", NULL, "verbose",
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"Verbose output for the ORTE Checkpoint/Restart functionality",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_8,
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MCA_BASE_VAR_SCOPE_READONLY,
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&orte_cr_verbose);
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/*** RHC: This is going to crash-and-burn when the output conversion is
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* completed as opal_output will have no idea what opal_cr_output stream means,
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* or even worse, will have assigned it to someone else!
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*/
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if(0 != orte_cr_verbose) {
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orte_cr_output = opal_output_open(NULL);
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opal_output_set_verbosity(orte_cr_output, orte_cr_verbose);
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} else {
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orte_cr_output = opal_cr_output;
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}
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: init: orte_cr_init()\n");
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/* Init ORTE Entry Point Function */
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if( ORTE_SUCCESS != (ret = orte_cr_entry_point_init()) ) {
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exit_status = ret;
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goto cleanup;
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}
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/* Register the ORTE interlevel coordination callback */
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opal_cr_reg_coord_callback(orte_cr_coord, &prev_coord_callback);
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/* Typically this is not needed. Individual BTLs will set this as needed */
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opal_cr_continue_like_restart = false;
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orte_cr_flush_restart_files = true;
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cleanup:
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return exit_status;
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}
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/*
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* Finalize
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*/
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int orte_cr_finalize(void)
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{
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: finalize: orte_cr_finalize()");
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orte_cr_entry_point_finalize();
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/*
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* OPAL Frameworks...
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*/
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opal_cr_finalize();
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return ORTE_SUCCESS;
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}
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/*
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* Interlayer coordination callback
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*/
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int orte_cr_coord(int state)
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{
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int ret, exit_status = ORTE_SUCCESS;
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord: orte_cr_coord(%s)",
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opal_crs_base_state_str((opal_crs_state_type_t)state));
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/*
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* Before calling the previous callback, we have the opportunity to
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* take action given the state.
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*/
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if(OPAL_CRS_CHECKPOINT == state) {
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/* Do Checkpoint Phase work */
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orte_cr_coord_pre_ckpt();
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}
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else if (OPAL_CRS_CONTINUE == state ) {
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/* Do Continue Phase work */
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orte_cr_coord_pre_continue();
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}
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else if (OPAL_CRS_RESTART == state ) {
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/* Do Restart Phase work */
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orte_cr_coord_pre_restart();
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}
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else if (OPAL_CRS_TERM == state ) {
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/* Do Continue Phase work in prep to terminate the application */
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}
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else {
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/* We must have been in an error state from the checkpoint
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* recreate everything, as in the Continue Phase
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*/
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}
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/*
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* Call the previous callback, which should be OPAL
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*/
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if(OPAL_SUCCESS != (ret = prev_coord_callback(state)) ) {
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exit_status = ret;
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goto cleanup;
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}
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/*
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* After calling the previous callback, we have the opportunity to
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* take action given the state to tidy up.
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*/
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if(OPAL_CRS_CHECKPOINT == state) {
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/* Do Checkpoint Phase work */
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orte_cr_coord_post_ckpt();
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}
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else if (OPAL_CRS_CONTINUE == state ) {
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/* Do Continue Phase work */
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orte_cr_coord_post_continue();
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}
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else if (OPAL_CRS_RESTART == state ) {
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/* Do Restart Phase work */
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orte_cr_coord_post_restart();
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}
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else if (OPAL_CRS_TERM == state ) {
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/* Do Continue Phase work in prep to terminate the application */
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}
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else {
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/* We must have been in an error state from the checkpoint
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* recreate everything, as in the Continue Phase
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*/
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}
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cleanup:
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return exit_status;
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}
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/*************
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* Pre Lower Layer
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*************/
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static int orte_cr_coord_pre_ckpt(void) {
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int ret, exit_status = ORTE_SUCCESS;
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/*
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* All the checkpoint heavey lifting in here...
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*/
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord_pre_ckpt: orte_cr_coord_pre_ckpt()");
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/*
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* Notify the ESS
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*/
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if( NULL != orte_ess.ft_event ) {
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if( ORTE_SUCCESS != (ret = orte_ess.ft_event(OPAL_CRS_CHECKPOINT))) {
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exit_status = ret;
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goto cleanup;
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}
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}
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cleanup:
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return exit_status;
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}
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static int orte_cr_coord_pre_restart(void) {
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/*
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* Can not really do much until OPAL is up and running,
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* so defer action until the post_restart function.
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*/
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord_pre_restart: orte_cr_coord_pre_restart()");
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return ORTE_SUCCESS;
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}
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static int orte_cr_coord_pre_continue(void) {
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/*
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* Can not really do much until OPAL is up and running,
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* so defer action until the post_continue function.
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*/
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord_pre_continue: orte_cr_coord_pre_continue()");
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return ORTE_SUCCESS;
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}
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/*************
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* Post Lower Layer
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*************/
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static int orte_cr_coord_post_ckpt(void) {
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/*
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* Now that OPAL is shutdown, we really can't do much
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* so assume pre_ckpt took care of everything.
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*/
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord_post_ckpt: orte_cr_coord_post_ckpt()");
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return ORTE_SUCCESS;
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}
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static int orte_cr_coord_post_restart(void) {
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int ret, exit_status = ORTE_SUCCESS;
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orte_proc_type_t prev_type = ORTE_PROC_TYPE_NONE;
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char * tmp_dir = NULL;
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord_post_restart: orte_cr_coord_post_restart()");
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/*
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* Add the previous session directory for cleanup
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*/
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opal_crs_base_cleanup_append(orte_process_info.job_session_dir, true);
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tmp_dir = opal_dirname(orte_process_info.job_session_dir);
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if( NULL != tmp_dir ) {
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opal_crs_base_cleanup_append(tmp_dir, true);
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free(tmp_dir);
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tmp_dir = NULL;
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}
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/*
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* Refresh System information
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*/
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prev_type = orte_process_info.proc_type;
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if( ORTE_SUCCESS != (ret = orte_proc_info_finalize()) ) {
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exit_status = ret;
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}
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if( NULL != orte_process_info.my_hnp_uri ) {
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free(orte_process_info.my_hnp_uri);
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orte_process_info.my_hnp_uri = NULL;
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}
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if( NULL != orte_process_info.my_daemon_uri ) {
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free(orte_process_info.my_daemon_uri);
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orte_process_info.my_daemon_uri = NULL;
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}
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if( ORTE_SUCCESS != (ret = orte_proc_info()) ) {
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exit_status = ret;
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}
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orte_process_info.proc_type = prev_type;
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orte_process_info.my_name = *ORTE_NAME_INVALID;
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/*
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* Notify the ESS
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*/
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if( NULL != orte_ess.ft_event ) {
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if( ORTE_SUCCESS != (ret = orte_ess.ft_event(OPAL_CRS_RESTART))) {
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exit_status = ret;
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goto cleanup;
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}
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}
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cleanup:
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return exit_status;
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}
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static int orte_cr_coord_post_continue(void) {
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int ret, exit_status = ORTE_SUCCESS;
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opal_output_verbose(10, orte_cr_output,
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"orte_cr: coord_post_continue: orte_cr_coord_post_continue()\n");
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/*
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* Notify the ESS
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*/
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if( NULL != orte_ess.ft_event ) {
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if( ORTE_SUCCESS != (ret = orte_ess.ft_event(OPAL_CRS_CONTINUE))) {
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exit_status = ret;
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goto cleanup;
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}
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}
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cleanup:
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return exit_status;
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}
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/*************************************************
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* ORTE Entry Point functionality
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*************************************************/
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int orte_cr_entry_point_init(void)
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{
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#if 0
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/* JJH XXX
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* Make sure to finalize the OPAL Entry Point function if it is active.
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*/
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opal_cr_entry_point_finalize();
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#endif
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return ORTE_SUCCESS;
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}
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int orte_cr_entry_point_finalize(void)
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{
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/* Nothing to do here... */
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return ORTE_SUCCESS;
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}
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