fdf44cc4ab
but remove them also. This current set of changes will affect nothing as no one is making use of this ability. However, orte-clean will be changed soon to utilize this new feature. This commit was SVN r12996.
366 строки
12 KiB
C
366 строки
12 KiB
C
/*
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* Copyright (c) 2004-2005 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) 2004-2006 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 Sun Microsystems, Inc. All rights 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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/**
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* @file
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*
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* Setup command line options for the Open MPI Run Time Environment
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*/
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#include "orte_config.h"
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#include <string.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_DIRENT_H
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#include <dirent.h>
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#endif /* HAVE_DIRENT_H */
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#ifdef HAVE_LIBGEN_H
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#include <libgen.h>
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#endif /* HAVE_LIBGEN_H */
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#include "orte/orte_constants.h"
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#include "opal/util/output.h"
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#include "orte/util/univ_info.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 "opal/util/os_path.h"
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#include "opal/util/os_dirpath.h"
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#include "orte/util/session_dir.h"
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#include "orte/util/universe_setup_file_io.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/ns/ns.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/runtime/runtime.h"
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static struct timeval ompi_rte_ping_wait = {2, 0};
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int orte_universe_search(opal_list_t *universe_list, bool report_broken_files, bool remove_broken_files)
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{
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int ret, exit_status = ORTE_SUCCESS;
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#ifndef __WINDOWS__
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DIR *cur_dirp = NULL;
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struct dirent * dir_entry;
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#else
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HANDLE hFind = INVALID_HANDLE_VALUE;
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WIN32_FIND_DATA file_data;
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#endif /* __WINDOWS__ */
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char *univ_setup_filename = NULL;
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char *fulldirpath = NULL;
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char *prefix = NULL;
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char *frontend = NULL;
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char *frontend_abs = NULL;
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/*
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* Get the session directory
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*/
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if( ORTE_SUCCESS != (ret = orte_session_dir_get_name(&fulldirpath,
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&prefix,
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&frontend,
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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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NULL, /* Universe Name -- NONE */
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NULL, /* jobid */
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NULL /* vpid */
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) ) ) {
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exit_status = ret;
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goto cleanup;
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}
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#if !defined(__WINDOWS__)
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frontend_abs = opal_os_path(false, prefix, frontend, NULL);
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/*
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* Check to make sure we have access to this directory
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*/
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if( ORTE_SUCCESS != (ret = opal_os_dirpath_access(frontend_abs, 0) )) {
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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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* Open up the base directory so we can get a listing
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*/
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if( NULL == (cur_dirp = opendir(frontend_abs)) ) {
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exit_status = ORTE_ERROR;
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goto cleanup;
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}
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/*
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* For each directory/universe
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*/
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while( NULL != (dir_entry = readdir(cur_dirp)) ) {
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orte_universe_t *univ = NULL;
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/*
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* Skip non-universe directories
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*/
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if( 0 == strncmp(dir_entry->d_name, ".", strlen(".")) ||
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0 == strncmp(dir_entry->d_name, ".", strlen("..")) ) {
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continue;
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}
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/*
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* Read the setup file
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*/
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univ_setup_filename = opal_os_path( false, frontend_abs,
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dir_entry->d_name, "universe-setup.txt", NULL );
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univ = OBJ_NEW(orte_universe_t);
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if(ORTE_SUCCESS != (ret = orte_read_universe_setup_file(univ_setup_filename, univ) ) ){
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if (report_broken_files) {
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printf("universe_search: Unable to read the file (%s)\n", univ_setup_filename);
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exit_status = ret;
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}
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/*
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* See if we want to remove any cases with broken
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* universe-setup.txt files. If so, print out a message and
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* remove the directory. This is used by the orte-clean
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* routine.
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*/
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if (remove_broken_files) {
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char *univ_directory;
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univ_directory = opal_os_path(false, frontend_abs,
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dir_entry->d_name, NULL);
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printf("universe_search: Removing defunct directory (%s)\n", univ_directory);
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opal_os_dirpath_destroy(univ_directory, true, NULL);
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free(univ_directory);
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}
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OBJ_RELEASE(univ);
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} else {
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OBJ_RETAIN(univ);
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opal_list_append(universe_list, &(univ->super));
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}
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}
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#else
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/*
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* Open up the base directory so we can get a listing.
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*
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* On Windows if we want to parse the content of a directory the filename
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* should end with the "*". Otherwise we will only open the directory
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* structure (and not the content).
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*/
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frontend_abs = opal_os_path(false, prefix, frontend, "*", NULL);
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hFind = FindFirstFile( frontend_abs, &file_data );
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if( INVALID_HANDLE_VALUE == hFind ) {
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exit_status = GetLastError();
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goto cleanup;
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}
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/*
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* For each directory/universe
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*/
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do {
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orte_universe_t *univ = NULL;
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/*
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* Skip non-universe directories
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*/
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if( 0 == strncmp(file_data.cFileName, ".", strlen(".")) ||
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0 == strncmp(file_data.cFileName, ".", strlen("..")) ) {
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continue;
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}
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/*
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* Read the setup file
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*/
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univ_setup_filename = opal_os_path( false, prefix, frontend,
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file_data.cFileName, "universe-setup.txt", NULL);
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univ = OBJ_NEW(orte_universe_t);
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if(ORTE_SUCCESS != (ret = orte_read_universe_setup_file(univ_setup_filename, univ) ) ){
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if (report_broken_files) {
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printf("universe_search: Unable to read the file (%s)\n", univ_setup_filename);
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exit_status = ret;
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}
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/*
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* See if we want to remove any cases with broken
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* universe-setup.txt files. If so, print out a message and
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* remove the directory. This is used by the orte-clean
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* routine.
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*/
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if (remove_broken_files) {
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char *univ_directory;
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univ_directory = opal_os_path(false, frontend_abs,
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dir_entry->d_name, NULL);
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printf("universe_search: Removing defunct directory (%s)\n", univ_directory);
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opal_os_dirpath_destroy(univ_directory, true, NULL);
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free(univ_directory);
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}
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OBJ_RELEASE(univ);
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} else {
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OBJ_RETAIN(univ);
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opal_list_append(universe_list, &(univ->super));
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}
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} while( 0 != FindNextFile( hFind, &file_data ) );
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#endif /* !defined(__WINDOWS__) */
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cleanup:
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#ifndef __WINDOWS__
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if( NULL != cur_dirp )
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closedir(cur_dirp);
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#else
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FindClose(hFind);
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#endif /* __WINDOWS__ */
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if( NULL != univ_setup_filename)
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free(univ_setup_filename);
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if( NULL != fulldirpath)
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free(fulldirpath);
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if( NULL != prefix)
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free(prefix);
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if( NULL != frontend)
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free(frontend);
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if( NULL != frontend_abs)
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free(frontend_abs);
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return (opal_list_is_empty(universe_list) ? exit_status : ORTE_SUCCESS);
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}
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static int orte_universe_check_connect(orte_universe_t *uni)
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{
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if (!orte_universe_info.console) { /* if we aren't trying to connect a console */
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if (!uni->persistence || /* if the target universe is not persistent... */
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(0 == strncmp(uni->scope, "exclusive", strlen("exclusive")))) { /* ...or no connection allowed */
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/* also need to check "local" and that we did not specify the exact
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* matching universe name
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*/
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if (orte_debug_flag) {
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opal_output(0, "connect_uni: connection not allowed");
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}
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/* NOTE: THIS IS NOT AN ERROR - DON'T ERROR_LOG IT */
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return ORTE_ERR_NO_CONNECTION_ALLOWED;
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}
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}
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if (orte_debug_flag) {
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opal_output(0, "connect_uni: contact info to set: %s", uni->seed_uri);
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}
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/* ping to verify it's alive */
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if (ORTE_SUCCESS != orte_rml.ping(uni->seed_uri, &ompi_rte_ping_wait)) {
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if (orte_debug_flag) {
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ORTE_ERROR_LOG(ORTE_ERR_CONNECTION_FAILED);
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}
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return ORTE_ERR_CONNECTION_FAILED;
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}
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return ORTE_SUCCESS;
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}
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int orte_universe_exists(orte_universe_t *univ)
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{
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char *contact_file;
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opal_list_t universes;
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opal_list_item_t *item;
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orte_universe_t *uniptr;
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int ret;
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/* if the user didn't provide a name for our universe, then we have to check
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* for other universe names we could join. It is virtually impossible for
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* another universe to have our exact default universe name as they would
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* have to have the same PID - and that would be bad in so many ways!
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*/
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if (orte_universe_info.default_name) {
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/* if we just have the default name - i.e., no name was specified -
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* then get a list of all universes known on the local system. All
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* we can do here is just loop through the session directory tree
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* for universes - we have no better discovery mechanism at this time
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*/
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OBJ_CONSTRUCT(&universes, opal_list_t);
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if (ORTE_SUCCESS != (ret = orte_universe_search(&universes, false, false))) {
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/* if nothing was found, that's okay - report anything else */
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if (ORTE_ERR_NOT_FOUND != ret) {
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ORTE_ERROR_LOG(ret);
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}
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return ret;
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}
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/* if the list is empty, then we can just return */
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if (opal_list_is_empty(&universes)) return ORTE_ERR_NOT_FOUND;
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/* we have no real criteria for picking one over the other, so
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* we just loop through the returned objects and pick the first
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* one that will support connection
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*/
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while (NULL != (item = opal_list_remove_first(&universes))) {
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uniptr = (orte_universe_t*)item;
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if (ORTE_SUCCESS == orte_universe_check_connect(uniptr)) {
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univ->name = strdup(uniptr->name);
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univ->host = strdup(uniptr->host);
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univ->uid = strdup(uniptr->uid);
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univ->persistence = uniptr->persistence;
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univ->scope = strdup(uniptr->scope);
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univ->seed_uri = strdup(uniptr->seed_uri);
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univ->console_connected = uniptr->console_connected;
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return ORTE_SUCCESS;
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}
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}
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/* if we get here, then we did not success in connecting to
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* anyone - report that situation
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*/
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return ORTE_ERR_NOT_FOUND;
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}
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/* if the user did provide a name, then see if we can join it */
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/* check to see if local universe session directory already exists */
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if (ORTE_SUCCESS != orte_session_dir(false,
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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,
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orte_universe_info.name,
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NULL,
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NULL)) { /* not found */
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/* NOTE: NOT FINDING THE DIRECTORY IS NOT AN ERROR - DON'T ERROR_LOG IT */
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return ORTE_ERR_NOT_FOUND;
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}
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/* check for "contact-info" file. if present, read it in. */
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if (NULL == (contact_file = opal_os_path(false, orte_process_info.universe_session_dir,
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"universe-setup.txt", NULL))) {
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/* NOTE: NOT FINDING THE FILE IS NOT AN ERROR - DON'T ERROR_LOG IT */
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return ORTE_ERR_NOT_FOUND;
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}
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if (ORTE_SUCCESS != (ret = orte_read_universe_setup_file(contact_file, univ))) {
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/* NOTE: THIS IS NOT AN ERROR - DON'T ERROR_LOG IT */
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free(contact_file);
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return ret;
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}
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/* don't need this string any more - free it */
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free(contact_file);
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if (orte_debug_flag) {
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opal_output(0, "connect_uni: contact info read");
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}
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return orte_universe_check_connect(univ);
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}
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