586 строки
16 KiB
C
586 строки
16 KiB
C
/*
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* Copyright (c) 2004-2007 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 <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/output.h"
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#include "opal/util/opal_environ.h"
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#include "opal/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/orte_constants.h"
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#include "orte/runtime/orte_cr.h"
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#include "orte/runtime/runtime.h"
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#include "orte/util/sys_info.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/session_dir.h"
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#include "orte/mca/gpr/gpr.h"
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#include "orte/mca/gpr/base/base.h"
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#include "orte/mca/gpr/gpr_types.h"
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#include "orte/mca/pls/pls.h"
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#include "orte/mca/pls/base/base.h"
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#include "orte/mca/ns/ns.h"
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#include "orte/mca/ns/base/base.h"
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#include "orte/mca/ns/ns_types.h"
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#include "orte/mca/sds/sds.h"
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#include "orte/mca/sds/base/base.h"
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#include "orte/mca/schema/schema.h"
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#include "orte/mca/schema/base/base.h"
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#include "orte/mca/rmgr/rmgr.h"
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#include "orte/mca/rmgr/base/base.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/rml/base/base.h"
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#include "orte/mca/iof/iof.h"
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#include "orte/mca/iof/base/base.h"
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#include "orte/mca/odls/odls.h"
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#include "orte/mca/odls/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/filem.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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/*************
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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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/*
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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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int val;
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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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mca_base_param_reg_int_name("orte_cr", "verbose",
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"Verbose output for the ORTE Checkpoint/Restart functionality",
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false, false,
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0,
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&val);
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if(0 != val) {
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orte_cr_output = opal_output_open(NULL);
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opal_output_set_verbosity(orte_cr_output, val);
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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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/* 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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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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/*
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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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#if 0 /* JJH Do we need this ? */
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if (ORTE_SUCCESS != (ret = orte_cr_init_quick_params())) {
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opal_output(orte_cr_output,
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"ERROR: orte_cr: coord: Unable to init quick parameters\n");
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}
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#endif
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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 IOF
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*/
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if( ORTE_SUCCESS != (ret = orte_iof.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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* Notify NS
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*/
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if( ORTE_SUCCESS != (ret = orte_ns.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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* Notify GPR
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*/
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if( ORTE_SUCCESS != (ret = orte_gpr.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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* Notify RML & OOB
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*/
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if( ORTE_SUCCESS != (ret = orte_rml.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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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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char * procid_str = NULL;
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char * jobid_str = NULL;
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int id;
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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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/* Need to invalidate these so we can grab the new values from the environment
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* Don't call orte_proc_info_finalize() since we want to preserve some values
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* such as orte_process_info.gpr_replica
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*/
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if (NULL != orte_process_info.ns_replica_uri) {
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free(orte_process_info.ns_replica_uri);
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orte_process_info.ns_replica_uri = NULL;
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}
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if (NULL != orte_process_info.gpr_replica_uri) {
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free(orte_process_info.gpr_replica_uri);
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orte_process_info.gpr_replica_uri = NULL;
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}
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if (NULL != orte_process_info.tmpdir_base) {
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free(orte_process_info.tmpdir_base);
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orte_process_info.tmpdir_base = NULL;
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}
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if (NULL != orte_process_info.top_session_dir) {
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free(orte_process_info.top_session_dir);
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orte_process_info.top_session_dir = NULL;
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}
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if (NULL != orte_process_info.universe_session_dir) {
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free(orte_process_info.universe_session_dir);
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orte_process_info.universe_session_dir = NULL;
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}
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if (NULL != orte_process_info.job_session_dir) {
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free(orte_process_info.job_session_dir);
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orte_process_info.job_session_dir = NULL;
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}
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if (NULL != orte_process_info.proc_session_dir) {
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free(orte_process_info.proc_session_dir);
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orte_process_info.proc_session_dir = NULL;
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}
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if (NULL != orte_process_info.sock_stdin) {
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free(orte_process_info.sock_stdin);
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orte_process_info.sock_stdin = NULL;
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}
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if (NULL != orte_process_info.sock_stdout) {
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free(orte_process_info.sock_stdout);
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orte_process_info.sock_stdout = NULL;
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}
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if (NULL != orte_process_info.sock_stderr) {
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free(orte_process_info.sock_stderr);
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orte_process_info.sock_stderr = NULL;
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}
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/* We want these to be read out of the HNP contact info file ? */
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id = mca_base_param_find("gpr", "replica", "uri");
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mca_base_param_unset(id);
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id = mca_base_param_find("ns", "replica", "uri");
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mca_base_param_unset(id);
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/*
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* Refresh System information
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*/
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orte_system_info.init = false;
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if( ORTE_SUCCESS != (ret = orte_sys_info()) ) {
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exit_status = ret;
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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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if (NULL != orte_process_info.my_name) {
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free(orte_process_info.my_name);
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orte_process_info.my_name = NULL;
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}
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/*
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* Re-attach to session directory
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*/
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orte_universe_info.state = ORTE_UNIVERSE_STATE_PRE_INIT;
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if( ORTE_SUCCESS != (ret = orte_univ_info()) ) {
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exit_status = ret;
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}
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/*
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* Notify RML & OOB
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*/
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if( ORTE_SUCCESS != (ret = orte_rml.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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* Startup Discovery Service:
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* - Connect to the universe
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* Structure Elements Refreshed:
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* orte_universe_info.name
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* orte_universe_info.host
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* orte_universe_info.uid
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* orte_universe_info.persistence
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* orte_universe_info.scope
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* orte_universe_info.seed_uri
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* orte_universe_info.console_connected
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* orte_universe_info.scriptfile
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*
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* orte_process_info.ns_replica_uri
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* orte_process_info.gpr_replica_uri
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*/
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if (ORTE_SUCCESS != (ret = orte_sds_base_open())) {
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exit_status = ret;
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}
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if (ORTE_SUCCESS != (ret = orte_sds_base_select())) {
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exit_status = ret;
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}
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if( ORTE_SUCCESS != (ret = orte_sds_base_contact_universe() ) ) {
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exit_status = ret;
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}
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/*
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* - Reset Contact information
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*/
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if(NULL != orte_process_info.ns_replica_uri) {
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orte_rml.set_contact_info(orte_process_info.ns_replica_uri);
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}
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if(NULL != orte_process_info.gpr_replica_uri) {
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orte_rml.set_contact_info(orte_process_info.gpr_replica_uri);
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}
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if( ORTE_SUCCESS != (ret = orte_sds_base_set_name() ) ) {
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exit_status = ret;
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}
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orte_sds_base_close();
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/* Session directory stuff:
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* orte_process_info.top_session_dir
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* orte_process_info.universe_session_dir
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* orte_process_info.job_session_dir
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* orte_process_info.proc_session_dir
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*/
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if (ORTE_SUCCESS != (ret = orte_ns.get_jobid_string(&jobid_str, orte_process_info.my_name))) {
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exit_status = ret;
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}
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if (ORTE_SUCCESS != (ret = orte_ns.get_vpid_string(&procid_str, orte_process_info.my_name))) {
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exit_status = ret;
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}
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if (ORTE_SUCCESS != (ret = orte_session_dir(true,
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orte_process_info.tmpdir_base,
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orte_system_info.user,
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orte_system_info.nodename,
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NULL, /* Batch ID -- Not used */
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orte_universe_info.name,
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jobid_str,
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procid_str))) {
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exit_status = ret;
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}
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/*
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* Notify NS
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*/
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if( ORTE_SUCCESS != (ret = orte_ns.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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* Notify GPR
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*/
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if( ORTE_SUCCESS != (ret = orte_gpr.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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* Notify IOF
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*/
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if( ORTE_SUCCESS != (ret = orte_iof.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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* Send new PID to GPR
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* The checkpointer could have used a proxy program to boot us
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* so the pid that the orted got from fork() may not be the
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|
* PID of this application.
|
|
* - Note: BLCR does this because it tries to preseve the PID
|
|
* of the program across checkpointes
|
|
*/
|
|
if( ORTE_SUCCESS != (ret = orte_rmgr.set_process_info(orte_process_info.my_name, getpid(), orte_system_info.nodename) ) ) {
|
|
exit_status = ret;
|
|
goto cleanup;
|
|
}
|
|
|
|
cleanup:
|
|
if (NULL != jobid_str) {
|
|
free(jobid_str);
|
|
jobid_str = NULL;
|
|
}
|
|
|
|
if (NULL != procid_str) {
|
|
free(procid_str);
|
|
procid_str = NULL;
|
|
}
|
|
|
|
return exit_status;
|
|
}
|
|
|
|
static int orte_cr_coord_post_continue(void) {
|
|
int ret, exit_status = ORTE_SUCCESS;
|
|
|
|
opal_output_verbose(10, orte_cr_output,
|
|
"orte_cr: coord_post_continue: orte_cr_coord_post_continue()\n");
|
|
|
|
/*
|
|
* Notify RML & OOB
|
|
*/
|
|
if( ORTE_SUCCESS != (ret = orte_rml.ft_event(OPAL_CRS_CONTINUE))) {
|
|
exit_status = ret;
|
|
goto cleanup;
|
|
}
|
|
|
|
/*
|
|
* Notify NS
|
|
*/
|
|
if( ORTE_SUCCESS != (ret = orte_gpr.ft_event(OPAL_CRS_CONTINUE))) {
|
|
exit_status = ret;
|
|
goto cleanup;
|
|
}
|
|
|
|
/*
|
|
* Notify GPR
|
|
*/
|
|
if( ORTE_SUCCESS != (ret = orte_gpr.ft_event(OPAL_CRS_CONTINUE))) {
|
|
exit_status = ret;
|
|
goto cleanup;
|
|
}
|
|
|
|
/*
|
|
* Notify IOF
|
|
*/
|
|
if( ORTE_SUCCESS != (ret = orte_iof.ft_event(OPAL_CRS_CONTINUE))) {
|
|
exit_status = ret;
|
|
goto cleanup;
|
|
}
|
|
|
|
cleanup:
|
|
|
|
return exit_status;
|
|
}
|