951 строка
34 KiB
C
951 строка
34 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) 2004-2008 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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#include "orte_config.h"
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#include "orte/constants.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "opal/class/opal_list.h"
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#include "opal/util/argv.h"
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#include "opal/util/output.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/util/if.h"
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#include "opal/mca/installdirs/installdirs.h"
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#include "orte/util/show_help.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/name_fns.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/ras/ras_types.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/util/hostfile/hostfile_lex.h"
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#include "orte/util/hostfile/hostfile.h"
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static const char *cur_hostfile_name = NULL;
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static void hostfile_parse_error(int token)
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{
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switch (token) {
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case ORTE_HOSTFILE_STRING:
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orte_show_help("help-hostfile.txt", "parse_error_string",
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true,
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cur_hostfile_name,
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orte_util_hostfile_line,
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token,
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orte_util_hostfile_value.sval);
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break;
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case ORTE_HOSTFILE_IPV4:
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case ORTE_HOSTFILE_IPV6:
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case ORTE_HOSTFILE_INT:
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orte_show_help("help-hostfile.txt", "parse_error_int",
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true,
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cur_hostfile_name,
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orte_util_hostfile_line,
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token,
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orte_util_hostfile_value.ival);
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break;
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default:
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orte_show_help("help-hostfile.txt", "parse_error",
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true,
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cur_hostfile_name,
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orte_util_hostfile_line,
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token );
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break;
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}
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}
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/**
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* Return the integer following an = (actually may only return positive ints)
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*/
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static int hostfile_parse_int(void)
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{
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if (ORTE_HOSTFILE_EQUAL != orte_util_hostfile_lex())
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return -1;
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if (ORTE_HOSTFILE_INT != orte_util_hostfile_lex())
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return -1;
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return orte_util_hostfile_value.ival;
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}
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/**
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* Return the string following an = (option to a keyword)
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*/
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static char *hostfile_parse_string(void)
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{
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int rc;
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if (ORTE_HOSTFILE_EQUAL != orte_util_hostfile_lex()){
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return NULL;
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}
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rc = orte_util_hostfile_lex();
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if (ORTE_HOSTFILE_STRING != rc){
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return NULL;
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}
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return strdup(orte_util_hostfile_value.sval);
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}
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static orte_node_t* hostfile_lookup(opal_list_t* nodes, const char* name)
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{
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opal_list_item_t* item;
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for(item = opal_list_get_first(nodes);
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item != opal_list_get_end(nodes);
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item = opal_list_get_next(item)) {
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orte_node_t* node = (orte_node_t*)item;
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if(strcmp(node->name, name) == 0) {
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opal_list_remove_item(nodes, item);
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return node;
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}
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}
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return NULL;
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}
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static int hostfile_parse_line(int token, opal_list_t* updates, opal_list_t* exclude, bool keep_all)
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{
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int rc;
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orte_node_t* node;
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bool got_count = false;
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bool got_max = false;
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char* value;
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char** argv;
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char* node_name = NULL;
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char* node_alias = NULL;
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char* username = NULL;
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int cnt;
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int number_of_slots = 0;
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char buff[64];
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if (ORTE_HOSTFILE_STRING == token ||
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ORTE_HOSTFILE_HOSTNAME == token ||
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ORTE_HOSTFILE_INT == token ||
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ORTE_HOSTFILE_IPV4 == token ||
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ORTE_HOSTFILE_IPV6 == token) {
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if(ORTE_HOSTFILE_INT == token) {
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snprintf(buff, 64, "%d", orte_util_hostfile_value.ival);
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value = buff;
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} else {
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value = orte_util_hostfile_value.sval;
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}
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argv = opal_argv_split (value, '@');
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cnt = opal_argv_count (argv);
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if (1 == cnt) {
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node_name = strdup(argv[0]);
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} else if (2 == cnt) {
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username = strdup(argv[0]);
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node_name = strdup(argv[1]);
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} else {
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opal_output(0, "WARNING: Unhandled user@host-combination\n"); /* XXX */
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}
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opal_argv_free (argv);
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/* if the first letter of the name is '^', then this is a node
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* to be excluded. Remove the ^ character so the nodename is
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* usable, and put it on the exclude list
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*/
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if ('^' == node_name[0]) {
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int i, len;
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len = strlen(node_name);
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for (i=1; i < len; i++) {
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node_name[i-1] = node_name[i];
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}
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node_name[len-1] = '\0'; /* truncate */
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OPAL_OUTPUT_VERBOSE((3, orte_debug_output,
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"%s hostfile: node %s is being excluded",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), node_name));
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/* convert this into something globally unique */
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if (strcmp(node_name, "localhost") == 0 || opal_ifislocal(node_name)) {
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/* Nodename has been allocated, that is for sure */
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if (orte_show_resolved_nodenames &&
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0 != strcmp(node_name, orte_process_info.nodename)) {
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node_alias = strdup(node_name);
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}
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free (node_name);
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node_name = strdup(orte_process_info.nodename);
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}
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/* Do we need to make a new node object? First check to see
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if it's already in the exclude list */
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if (NULL == (node = hostfile_lookup(exclude, node_name))) {
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node = OBJ_NEW(orte_node_t);
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node->name = node_name;
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}
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/* Note that we need to add this back to the exclude list.
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If it was found, we just removed it (in hostfile_lookup()),
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so this puts it back. If it was not found, then we have to
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add it to the exclude list anyway. */
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opal_list_append(exclude, &node->super);
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return ORTE_SUCCESS;
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}
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/* this is not a node to be excluded, so we need to process it and
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* add it to the "include" list. See if this host is actually us.
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*/
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if (strcmp(node_name, "localhost") == 0 || opal_ifislocal(node_name)) {
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/* Nodename has been allocated, that is for sure */
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if (orte_show_resolved_nodenames &&
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0 != strcmp(node_name, orte_process_info.nodename)) {
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node_alias = strdup(node_name);
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}
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free (node_name);
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node_name = strdup(orte_process_info.nodename);
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}
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OPAL_OUTPUT_VERBOSE((3, orte_debug_output,
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"%s hostfile: node %s is being included - keep all is %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), node_name,
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keep_all ? "TRUE" : "FALSE"));
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/* Do we need to make a new node object? First check to see
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* if we are keeping everything or if it's already in the updates
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* list. Because we check keep_all first, if that is set we will
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* not do the hostfile_lookup call, and thus won't remove the
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* pre-existing node from the updates list
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*/
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if (keep_all || NULL == (node = hostfile_lookup(updates, node_name))) {
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node = OBJ_NEW(orte_node_t);
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node->name = node_name;
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}
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/* do we need to record an alias for this node? */
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if (NULL != node_alias) {
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/* add to list of aliases for this node - only add if unique */
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opal_argv_append_unique_nosize(&node->alias, node_alias, false);
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free(node_alias);
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}
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} else if (ORTE_HOSTFILE_RELATIVE == token) {
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/* store this for later processing */
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node = OBJ_NEW(orte_node_t);
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node->name = strdup(orte_util_hostfile_value.sval);
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} else if (ORTE_HOSTFILE_RANK == token) {
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/* we can ignore the rank, but we need to extract the node name. we
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* first need to shift over to the other side of the equal sign as
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* this is where the node name will be
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*/
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while (!orte_util_hostfile_done &&
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ORTE_HOSTFILE_EQUAL != token) {
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token = orte_util_hostfile_lex();
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}
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if (orte_util_hostfile_done) {
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/* bad syntax somewhere */
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return ORTE_ERROR;
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}
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/* next position should be the node name */
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token = orte_util_hostfile_lex();
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if(ORTE_HOSTFILE_INT == token) {
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snprintf(buff, 64, "%d", orte_util_hostfile_value.ival);
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value = buff;
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} else {
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value = orte_util_hostfile_value.sval;
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}
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argv = opal_argv_split (value, '@');
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cnt = opal_argv_count (argv);
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if (1 == cnt) {
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node_name = strdup(argv[0]);
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} else if (2 == cnt) {
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username = strdup(argv[0]);
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node_name = strdup(argv[1]);
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} else {
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opal_output(0, "WARNING: Unhandled user@host-combination\n"); /* XXX */
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}
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opal_argv_free (argv);
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/* Do we need to make a new node object? First check to see
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* if we are keeping everything or if it's already in the updates
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* list. Because we check keep_all first, if that is set we will
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* not do the hostfile_lookup call, and thus won't remove the
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* pre-existing node from the updates list
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*/
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if (keep_all || NULL == (node = hostfile_lookup(updates, node_name))) {
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node = OBJ_NEW(orte_node_t);
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node->name = node_name;
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}
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/* add a slot */
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node->slots++;
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/* do we need to record an alias for this node? */
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if (NULL != node_alias) {
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/* add to list of aliases for this node - only add if unique */
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opal_argv_append_unique_nosize(&node->alias, node_alias, false);
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free(node_alias);
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}
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/* skip to end of line */
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while (!orte_util_hostfile_done &&
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ORTE_HOSTFILE_NEWLINE != token) {
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token = orte_util_hostfile_lex();
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}
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opal_list_append(updates, &node->super);
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return ORTE_SUCCESS;
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} else {
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hostfile_parse_error(token);
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return ORTE_ERROR;
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}
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got_count = false;
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while (!orte_util_hostfile_done) {
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token = orte_util_hostfile_lex();
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switch (token) {
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case ORTE_HOSTFILE_DONE:
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goto done;
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case ORTE_HOSTFILE_NEWLINE:
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goto done;
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case ORTE_HOSTFILE_USERNAME:
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node->username = hostfile_parse_string();
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break;
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case ORTE_HOSTFILE_BOARDS:
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rc = hostfile_parse_int();
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if (rc < 0) {
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orte_show_help("help-hostfile.txt", "boards",
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true,
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cur_hostfile_name, rc);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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node->boards = rc;
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break;
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case ORTE_HOSTFILE_SOCKETS_PER_BOARD:
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rc = hostfile_parse_int();
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if (rc < 0) {
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orte_show_help("help-hostfile.txt", "sockets",
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true,
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cur_hostfile_name, rc);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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node->sockets_per_board = rc;
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break;
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case ORTE_HOSTFILE_CORES_PER_SOCKET:
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rc = hostfile_parse_int();
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if (rc < 0) {
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orte_show_help("help-hostfile.txt", "cores",
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true,
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cur_hostfile_name, rc);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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node->cores_per_socket = rc;
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break;
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case ORTE_HOSTFILE_CPU_SET:
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if (NULL != node->cpu_set) {
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free(node->cpu_set);
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}
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node->cpu_set = hostfile_parse_string();
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break;
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case ORTE_HOSTFILE_COUNT:
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case ORTE_HOSTFILE_CPU:
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case ORTE_HOSTFILE_SLOTS:
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rc = hostfile_parse_int();
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if (rc < 0) {
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orte_show_help("help-hostfile.txt", "slots",
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true,
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cur_hostfile_name, rc);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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node->slots += rc;
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got_count = true;
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/* Ensure that slots_max >= slots */
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if (node->slots_max != 0 && node->slots_max < node->slots) {
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node->slots_max = node->slots;
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}
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break;
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case ORTE_HOSTFILE_SLOTS_MAX:
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rc = hostfile_parse_int();
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if (rc < 0) {
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orte_show_help("help-hostfile.txt", "max_slots",
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true,
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cur_hostfile_name, ((size_t) rc));
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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/* Only take this update if it puts us >= node_slots */
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if (rc >= node->slots) {
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if (node->slots_max != rc) {
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node->slots_max = rc;
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got_max = true;
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}
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} else {
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orte_show_help("help-hostfile.txt", "max_slots_lt",
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true,
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cur_hostfile_name, node->slots, rc);
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ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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break;
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default:
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hostfile_parse_error(token);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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if (number_of_slots > node->slots) {
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ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
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OBJ_RELEASE(node);
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return ORTE_ERROR;
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}
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}
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done:
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if (!got_count) {
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if (got_max) {
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node->slots = node->slots_max;
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} else {
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++node->slots;
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}
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}
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opal_list_append(updates, &node->super);
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return ORTE_SUCCESS;
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}
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/**
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* Parse the specified file into a node list.
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*/
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static int hostfile_parse(const char *hostfile, opal_list_t* updates, opal_list_t* exclude, bool keep_all)
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{
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int token;
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int rc = ORTE_SUCCESS;
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cur_hostfile_name = hostfile;
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orte_util_hostfile_done = false;
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orte_util_hostfile_in = fopen(hostfile, "r");
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if (NULL == orte_util_hostfile_in) {
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orte_show_help("help-hostfile.txt", "no-hostfile", true, hostfile);
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rc = ORTE_ERR_NOT_FOUND;
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goto unlock;
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}
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while (!orte_util_hostfile_done) {
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token = orte_util_hostfile_lex();
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switch (token) {
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case ORTE_HOSTFILE_DONE:
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orte_util_hostfile_done = true;
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break;
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case ORTE_HOSTFILE_NEWLINE:
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break;
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/*
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* This looks odd, since we have several forms of host-definitions:
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* hostname just plain as it is, being a ORTE_HOSTFILE_STRING
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* IP4s and user@IPv4s
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* hostname.domain and user@hostname.domain
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*/
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case ORTE_HOSTFILE_STRING:
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case ORTE_HOSTFILE_INT:
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case ORTE_HOSTFILE_HOSTNAME:
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case ORTE_HOSTFILE_IPV4:
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case ORTE_HOSTFILE_IPV6:
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case ORTE_HOSTFILE_RELATIVE:
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case ORTE_HOSTFILE_RANK:
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rc = hostfile_parse_line(token, updates, exclude, keep_all);
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if (ORTE_SUCCESS != rc) {
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goto unlock;
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}
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break;
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default:
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hostfile_parse_error(token);
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goto unlock;
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}
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}
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fclose(orte_util_hostfile_in);
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orte_util_hostfile_in = NULL;
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unlock:
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cur_hostfile_name = NULL;
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return rc;
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}
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/**
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* Parse the provided hostfile and add the nodes to the list.
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*/
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int orte_util_add_hostfile_nodes(opal_list_t *nodes,
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bool *override_oversubscribed,
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char *hostfile)
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{
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opal_list_t exclude;
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opal_list_item_t *item, *itm;
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int rc;
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|
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OPAL_OUTPUT_VERBOSE((1, orte_debug_output,
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"%s hostfile: checking hostfile %s for nodes",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), hostfile));
|
|
|
|
OBJ_CONSTRUCT(&exclude, opal_list_t);
|
|
|
|
/* parse the hostfile and add the contents to the list */
|
|
if (ORTE_SUCCESS != (rc = hostfile_parse(hostfile, nodes, &exclude, false))) {
|
|
goto cleanup;
|
|
}
|
|
|
|
/* parse the nodes to check for any relative node directives */
|
|
for (item = opal_list_get_first(nodes);
|
|
item != opal_list_get_end(nodes);
|
|
item = opal_list_get_next(item)) {
|
|
orte_node_t *node=(orte_node_t*)item;
|
|
|
|
if ('+' == node->name[0]) {
|
|
orte_show_help("help-hostfile.txt", "hostfile:relative-syntax",
|
|
true, node->name);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
/* remove from the list of nodes those that are in the exclude list */
|
|
while(NULL != (item = opal_list_remove_first(&exclude))) {
|
|
orte_node_t *exnode = (orte_node_t*)item;
|
|
/* check for matches on nodes */
|
|
for (itm = opal_list_get_first(nodes);
|
|
itm != opal_list_get_end(nodes);
|
|
itm = opal_list_get_next(itm)) {
|
|
orte_node_t *node=(orte_node_t*)itm;
|
|
if (0 == strcmp(exnode->name, node->name)) {
|
|
/* match - remove it */
|
|
opal_list_remove_item(nodes, itm);
|
|
OBJ_RELEASE(itm);
|
|
break;
|
|
}
|
|
}
|
|
OBJ_RELEASE(item);
|
|
}
|
|
|
|
/* indicate that ORTE should override any oversubscribed conditions
|
|
* based on local hardware limits since the user (a) might not have
|
|
* provided us any info on the #slots for a node, and (b) the user
|
|
* might have been wrong! If we don't check the number of local physical
|
|
* processors, then we could be too aggressive on our sched_yield setting
|
|
* and cause performance problems.
|
|
*/
|
|
*override_oversubscribed = true;
|
|
|
|
cleanup:
|
|
OBJ_DESTRUCT(&exclude);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/* Parse the provided hostfile and filter the nodes that are
|
|
* on the input list, removing those that
|
|
* are not found in the hostfile
|
|
*/
|
|
int orte_util_filter_hostfile_nodes(opal_list_t *nodes,
|
|
char *hostfile)
|
|
{
|
|
opal_list_t newnodes, exclude;
|
|
opal_list_item_t *item1, *item2, *next, *item3;
|
|
orte_node_t *node_from_list, *node_from_file, *node_from_pool, *node3;
|
|
int rc = ORTE_SUCCESS;
|
|
char *cptr;
|
|
int num_empty, nodeidx;
|
|
bool want_all_empty = false;
|
|
opal_list_t keep;
|
|
|
|
OPAL_OUTPUT_VERBOSE((1, orte_debug_output,
|
|
"%s hostfile: filtering nodes through hostfile %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), hostfile));
|
|
|
|
/* parse the hostfile and create local list of findings */
|
|
OBJ_CONSTRUCT(&newnodes, opal_list_t);
|
|
OBJ_CONSTRUCT(&exclude, opal_list_t);
|
|
if (ORTE_SUCCESS != (rc = hostfile_parse(hostfile, &newnodes, &exclude, false))) {
|
|
OBJ_DESTRUCT(&newnodes);
|
|
return rc;
|
|
}
|
|
|
|
/* remove from the list of newnodes those that are in the exclude list
|
|
* since we could have added duplicate names above due to the */
|
|
while (NULL != (item1 = opal_list_remove_first(&exclude))) {
|
|
node_from_file = (orte_node_t*)item1;
|
|
/* check for matches on nodes */
|
|
for (item2 = opal_list_get_first(&newnodes);
|
|
item2 != opal_list_get_end(&newnodes);
|
|
item2 = opal_list_get_next(item2)) {
|
|
orte_node_t *node = (orte_node_t*)item2;
|
|
if (0 == strcmp(node_from_file->name, node->name)) {
|
|
/* match - remove it */
|
|
opal_list_remove_item(&newnodes, item2);
|
|
OBJ_RELEASE(item2);
|
|
break;
|
|
}
|
|
}
|
|
OBJ_RELEASE(item1);
|
|
}
|
|
|
|
/* now check our nodes and keep those that match. We can
|
|
* destruct our hostfile list as we go since this won't be needed
|
|
*/
|
|
OBJ_CONSTRUCT(&keep, opal_list_t);
|
|
while (NULL != (item2 = opal_list_remove_first(&newnodes))) {
|
|
node_from_file = (orte_node_t*)item2;
|
|
|
|
next = opal_list_get_next(item2);
|
|
|
|
/* see if this is a relative node syntax */
|
|
if ('+' == node_from_file->name[0]) {
|
|
/* see if we specified empty nodes */
|
|
if ('e' == node_from_file->name[1] ||
|
|
'E' == node_from_file->name[1]) {
|
|
/* request for empty nodes - do they want
|
|
* all of them?
|
|
*/
|
|
if (NULL != (cptr = strchr(node_from_file->name, ':'))) {
|
|
/* the colon indicates a specific # are requested */
|
|
cptr++; /* step past : */
|
|
num_empty = strtol(cptr, NULL, 10);
|
|
} else {
|
|
/* want them all - set num_empty to max */
|
|
num_empty = INT_MAX;
|
|
want_all_empty = true;
|
|
}
|
|
/* search the list of nodes provided to us and find those
|
|
* that are empty
|
|
*/
|
|
item1 = opal_list_get_first(nodes);
|
|
while (0 < num_empty && item1 != opal_list_get_end(nodes)) {
|
|
node_from_list = (orte_node_t*)item1;
|
|
next = opal_list_get_next(item1); /* keep our place */
|
|
if (0 == node_from_list->slots_inuse) {
|
|
/* check to see if this node is explicitly called
|
|
* out later - if so, don't use it here
|
|
*/
|
|
for (item3 = opal_list_get_first(&newnodes);
|
|
item3 != opal_list_get_end(&newnodes);
|
|
item3 = opal_list_get_next(item3)) {
|
|
node3 = (orte_node_t*)item3;
|
|
if (0 == strcmp(node3->name, node_from_list->name)) {
|
|
/* match - don't use it */
|
|
goto skipnode;
|
|
}
|
|
}
|
|
/* remove item from list */
|
|
opal_list_remove_item(nodes, item1);
|
|
/* xfer to keep list */
|
|
opal_list_append(&keep, item1);
|
|
--num_empty;
|
|
}
|
|
skipnode:
|
|
item1 = next;
|
|
}
|
|
/* did they get everything they wanted? */
|
|
if (!want_all_empty && 0 < num_empty) {
|
|
orte_show_help("help-hostfile.txt", "hostfile:not-enough-empty",
|
|
true, num_empty);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
} else if ('n' == node_from_file->name[1] ||
|
|
'N' == node_from_file->name[1]) {
|
|
/* they want a specific relative node #, so
|
|
* look it up on global pool
|
|
*/
|
|
nodeidx = strtol(&node_from_file->name[2], NULL, 10);
|
|
if (NULL == (node_from_pool = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, nodeidx))) {
|
|
/* this is an error */
|
|
orte_show_help("help-hostfile.txt", "hostfile:relative-node-not-found",
|
|
true, nodeidx, node_from_file->name);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
/* search the list of nodes provided to us and find it */
|
|
for (item1 = opal_list_get_first(nodes);
|
|
item1 != opal_list_get_end(nodes);
|
|
item1 = opal_list_get_next(nodes)) {
|
|
node_from_list = (orte_node_t*)item1;
|
|
if (0 == strcmp(node_from_list->name, node_from_pool->name)) {
|
|
/* match - remove item from list */
|
|
opal_list_remove_item(nodes, item1);
|
|
/* xfer to keep list */
|
|
opal_list_append(&keep, item1);
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
/* invalid relative node syntax */
|
|
orte_show_help("help-hostfile.txt", "hostfile:invalid-relative-node-syntax",
|
|
true, node_from_file->name);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
} else {
|
|
/* we are looking for a specific node on the list
|
|
* search the provided list of nodes to see if this
|
|
* one is found
|
|
*/
|
|
for (item1 = opal_list_get_first(nodes);
|
|
item1 != opal_list_get_end(nodes);
|
|
item1 = opal_list_get_next(item1)) {
|
|
node_from_list = (orte_node_t*)item1;
|
|
/* since the name in the hostfile might not match
|
|
* our local name, and yet still be intended to match,
|
|
* we have to check for local interfaces
|
|
*/
|
|
if (0 == strcmp(node_from_file->name, node_from_list->name) ||
|
|
(opal_ifislocal(node_from_list->name) &&
|
|
opal_ifislocal(node_from_file->name))) {
|
|
/* if the slot count here is less than the
|
|
* total slots avail on this node, set it
|
|
* to the specified count - this allows people
|
|
* to subdivide an allocation
|
|
*/
|
|
if (node_from_file->slots < node_from_list->slots) {
|
|
node_from_list->slots_alloc = node_from_file->slots;
|
|
}
|
|
/* remove the node from the list */
|
|
opal_list_remove_item(nodes, item1);
|
|
/* xfer it to keep list */
|
|
opal_list_append(&keep, item1);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* cleanup the newnode list */
|
|
OBJ_RELEASE(item2);
|
|
}
|
|
|
|
/* if we still have entries on our hostfile list, then
|
|
* there were requested hosts that were not in our allocation.
|
|
* This is an error - report it to the user and return an error
|
|
*/
|
|
if (0 != opal_list_get_size(&newnodes)) {
|
|
orte_show_help("help-hostfile.txt", "not-all-mapped-alloc",
|
|
true, hostfile);
|
|
while (NULL != (item1 = opal_list_remove_first(&newnodes))) {
|
|
OBJ_RELEASE(item1);
|
|
}
|
|
OBJ_DESTRUCT(&newnodes);
|
|
return ORTE_ERR_SILENT;
|
|
}
|
|
|
|
/* clear the rest of the nodes list */
|
|
while (NULL != (item1 = opal_list_remove_first(nodes))) {
|
|
OBJ_RELEASE(item1);
|
|
}
|
|
|
|
/* the nodes list has been cleared - rebuild it in order */
|
|
while (NULL != (item1 = opal_list_remove_first(&keep))) {
|
|
opal_list_append(nodes, item1);
|
|
}
|
|
|
|
cleanup:
|
|
OBJ_DESTRUCT(&newnodes);
|
|
|
|
return rc;
|
|
}
|
|
|
|
int orte_util_get_ordered_host_list(opal_list_t *nodes,
|
|
char *hostfile)
|
|
{
|
|
opal_list_t exclude;
|
|
opal_list_item_t *item, *itm, *item2, *item1;
|
|
char *cptr;
|
|
int num_empty, i, nodeidx, startempty=0;
|
|
bool want_all_empty=false;
|
|
orte_node_t *node_from_pool, *newnode;
|
|
int rc;
|
|
|
|
OPAL_OUTPUT_VERBOSE((1, orte_debug_output,
|
|
"%s hostfile: creating ordered list of hosts from hostfile %s",
|
|
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), hostfile));
|
|
|
|
OBJ_CONSTRUCT(&exclude, opal_list_t);
|
|
|
|
/* parse the hostfile and add the contents to the list, keeping duplicates */
|
|
if (ORTE_SUCCESS != (rc = hostfile_parse(hostfile, nodes, &exclude, true))) {
|
|
goto cleanup;
|
|
}
|
|
|
|
/* parse the nodes to process any relative node directives */
|
|
item2 = opal_list_get_first(nodes);
|
|
while (item2 != opal_list_get_end(nodes)) {
|
|
orte_node_t *node=(orte_node_t*)item2;
|
|
|
|
/* save the next location in case this one gets removed */
|
|
item1 = opal_list_get_next(item2);
|
|
|
|
if ('+' != node->name[0]) {
|
|
item2 = item1;
|
|
continue;
|
|
}
|
|
|
|
/* see if we specified empty nodes */
|
|
if ('e' == node->name[1] ||
|
|
'E' == node->name[1]) {
|
|
/* request for empty nodes - do they want
|
|
* all of them?
|
|
*/
|
|
if (NULL != (cptr = strchr(node->name, ':'))) {
|
|
/* the colon indicates a specific # are requested */
|
|
cptr++; /* step past : */
|
|
num_empty = strtol(cptr, NULL, 10);
|
|
} else {
|
|
/* want them all - set num_empty to max */
|
|
num_empty = INT_MAX;
|
|
want_all_empty = true;
|
|
}
|
|
/* insert empty nodes into newnodes list in place of the current item.
|
|
* since item1 is the next item, we insert in front of it
|
|
*/
|
|
if (!orte_hnp_is_allocated && 0 == startempty) {
|
|
startempty = 1;
|
|
}
|
|
for (i=startempty; 0 < num_empty && i < orte_node_pool->size; i++) {
|
|
if (NULL == (node_from_pool = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, i))) {
|
|
continue;
|
|
}
|
|
if (0 == node_from_pool->slots_inuse) {
|
|
newnode = OBJ_NEW(orte_node_t);
|
|
newnode->name = strdup(node_from_pool->name);
|
|
/* if the slot count here is less than the
|
|
* total slots avail on this node, set it
|
|
* to the specified count - this allows people
|
|
* to subdivide an allocation
|
|
*/
|
|
if (node->slots < node_from_pool->slots) {
|
|
newnode->slots_alloc = node->slots;
|
|
} else {
|
|
newnode->slots_alloc = node_from_pool->slots;
|
|
}
|
|
opal_list_insert_pos(nodes, item1, &newnode->super);
|
|
/* track number added */
|
|
--num_empty;
|
|
}
|
|
}
|
|
/* bookmark where we stopped in case they ask for more */
|
|
startempty = i;
|
|
/* did they get everything they wanted? */
|
|
if (!want_all_empty && 0 < num_empty) {
|
|
orte_show_help("help-hostfile.txt", "hostfile:not-enough-empty",
|
|
true, num_empty);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
/* since we have expanded the provided node, remove
|
|
* it from list
|
|
*/
|
|
opal_list_remove_item(nodes, item2);
|
|
OBJ_RELEASE(item2);
|
|
} else if ('n' == node->name[1] ||
|
|
'N' == node->name[1]) {
|
|
/* they want a specific relative node #, so
|
|
* look it up on global pool
|
|
*/
|
|
nodeidx = strtol(&node->name[2], NULL, 10);
|
|
/* if the HNP is not allocated, then we need to
|
|
* adjust the index as the node pool is offset
|
|
* by one
|
|
*/
|
|
if (!orte_hnp_is_allocated) {
|
|
nodeidx++;
|
|
}
|
|
/* see if that location is filled */
|
|
if (NULL == (node_from_pool = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, nodeidx))) {
|
|
/* this is an error */
|
|
orte_show_help("help-hostfile.txt", "hostfile:relative-node-not-found",
|
|
true, nodeidx, node->name);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
/* create the node object */
|
|
newnode = OBJ_NEW(orte_node_t);
|
|
newnode->name = strdup(node_from_pool->name);
|
|
/* if the slot count here is less than the
|
|
* total slots avail on this node, set it
|
|
* to the specified count - this allows people
|
|
* to subdivide an allocation
|
|
*/
|
|
if (node->slots < node_from_pool->slots) {
|
|
newnode->slots_alloc = node->slots;
|
|
} else {
|
|
newnode->slots_alloc = node_from_pool->slots;
|
|
}
|
|
/* insert it before item1 */
|
|
opal_list_insert_pos(nodes, item1, &newnode->super);
|
|
/* since we have expanded the provided node, remove
|
|
* it from list
|
|
*/
|
|
opal_list_remove_item(nodes, item2);
|
|
OBJ_RELEASE(item2);
|
|
} else {
|
|
/* invalid relative node syntax */
|
|
orte_show_help("help-hostfile.txt", "hostfile:invalid-relative-node-syntax",
|
|
true, node->name);
|
|
rc = ORTE_ERR_SILENT;
|
|
goto cleanup;
|
|
}
|
|
|
|
/* move to next */
|
|
item2 = item1;
|
|
}
|
|
|
|
/* remove from the list of nodes those that are in the exclude list */
|
|
while(NULL != (item = opal_list_remove_first(&exclude))) {
|
|
orte_node_t *exnode = (orte_node_t*)item;
|
|
/* check for matches on nodes */
|
|
for (itm = opal_list_get_first(nodes);
|
|
itm != opal_list_get_end(nodes);
|
|
itm = opal_list_get_next(itm)) {
|
|
orte_node_t *node=(orte_node_t*)itm;
|
|
if (0 == strcmp(exnode->name, node->name)) {
|
|
/* match - remove it */
|
|
opal_list_remove_item(nodes, itm);
|
|
OBJ_RELEASE(itm);
|
|
/* have to cycle through the entire list as we could
|
|
* have duplicates
|
|
*/
|
|
}
|
|
}
|
|
OBJ_RELEASE(item);
|
|
}
|
|
|
|
cleanup:
|
|
OBJ_DESTRUCT(&exclude);
|
|
|
|
return rc;
|
|
}
|