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openmpi/orte/util/nidmap.c
Ralph Castain 3269f2de66 Detect/warn of illegal node names
If we detect that someone has given us an incorrect node name, provide a helpful message telling them as it is almost certainly a typo.

Signed-off-by: Ralph Castain <rhc@open-mpi.org>
2017-12-19 12:55:04 -08:00

1403 строки
48 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2012-2014 Los Alamos National Security, LLC.
* All rights reserved.
* Copyright (c) 2013-2017 Intel, Inc. All rights reserved.
* Copyright (c) 2014-2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/types.h"
#include "orte/constants.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_IFADDRS_H
#include <ifaddrs.h>
#endif
#include "opal/dss/dss.h"
#include "opal/runtime/opal.h"
#include "opal/class/opal_pointer_array.h"
#include "opal/mca/pmix/pmix.h"
#include "opal/mca/hwloc/base/base.h"
#include "opal/util/net.h"
#include "opal/util/output.h"
#include "opal/util/argv.h"
#include "opal/datatype/opal_datatype.h"
#include "orte/mca/dfs/dfs.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/odls/base/odls_private.h"
#include "orte/mca/rmaps/base/base.h"
#include "orte/mca/routed/routed.h"
#include "orte/util/show_help.h"
#include "orte/util/proc_info.h"
#include "orte/util/name_fns.h"
#include "orte/util/regex.h"
#include "orte/runtime/orte_globals.h"
#include "orte/mca/rml/base/rml_contact.h"
#include "orte/mca/state/state.h"
#include "orte/util/nidmap.h"
static int orte_nidmap_verbosity = -1;
static int orte_nidmap_output = -1;
void orte_util_nidmap_init(void)
{
orte_nidmap_verbosity = -1;
(void) mca_base_var_register ("orte", "orte", NULL, "nidmap_verbose",
"Verbosity level for ORTE debug messages in the nidmap utilities",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_ALL,
&orte_nidmap_verbosity);
/* set default output */
orte_nidmap_output = opal_output_open(NULL);
/* open up the verbose output for debugging */
if (0 < orte_nidmap_verbosity) {
opal_output_set_verbosity(orte_nidmap_output, orte_nidmap_verbosity);
}
}
int orte_util_build_daemon_nidmap(void)
{
int i;
int rc;
struct hostent *h;
orte_node_t *node;
opal_process_name_t proc;
char *uri, *addr;
char *proc_name;
opal_value_t kv, val;
/* install the entry for the HNP */
proc.jobid = ORTE_PROC_MY_NAME->jobid;
proc.vpid = 0;
OBJ_CONSTRUCT(&kv, opal_value_t);
kv.key = strdup(ORTE_DB_DAEMON_VPID);
kv.data.uint32 = proc.vpid;
kv.type = OPAL_UINT32;
if (OPAL_SUCCESS != (rc = opal_pmix.store_local(&proc, &kv))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&kv);
return rc;
}
OBJ_DESTRUCT(&kv);
/* we must have already built the node pool, so cycle across it */
OBJ_CONSTRUCT(&val, opal_value_t);
val.key = OPAL_PMIX_PROC_URI;
val.type = OPAL_STRING;
for (i=0; i < orte_node_pool->size; i++) {
if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, i))) {
continue;
}
if (NULL == node->daemon) {
/* this node isn't occupied */
continue;
}
/* define the vpid for this daemon */
proc.vpid = node->daemon->name.vpid;
/* store the hostname for the proc */
OBJ_CONSTRUCT(&kv, opal_value_t);
kv.key = strdup(OPAL_PMIX_HOSTNAME);
kv.data.string = strdup(node->name);
kv.type = OPAL_STRING;
if (OPAL_SUCCESS != (rc = opal_pmix.store_local(&proc, &kv))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&kv);
return rc;
}
OBJ_DESTRUCT(&kv);
/* the arch defaults to our arch so that non-hetero
* case will yield correct behavior
*/
OBJ_CONSTRUCT(&kv, opal_value_t);
kv.key = strdup(OPAL_PMIX_ARCH);
kv.data.uint32 = opal_local_arch;
kv.type = OPAL_UINT32;
if (OPAL_SUCCESS != (rc = opal_pmix.store_local(&proc, &kv))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&kv);
return rc;
}
OBJ_DESTRUCT(&kv);
/* lookup the address of this node */
if (NULL == (h = gethostbyname(node->name))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return ORTE_ERR_NOT_FOUND;
}
addr = inet_ntoa(*(struct in_addr*)h->h_addr_list[0]);
/* since we are using static ports, all my fellow daemons will be on my
* port. Setup the contact info for each daemon in my hash tables. Note
* that this will -not- open a port to those daemons, but will only
* define the info necessary for opening such a port if/when I communicate
* to them
*/
/* construct the URI */
orte_util_convert_process_name_to_string(&proc_name, &proc);
asprintf(&uri, "%s;tcp://%s:%d", proc_name, addr, (int)orte_process_info.my_port);
OPAL_OUTPUT_VERBOSE((2, orte_debug_verbosity,
"%s orte:util:build:daemon:nidmap node %s daemon %d addr %s uri %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name, i+1, addr, uri));
/* if this is the HNP, then save it */
if (!ORTE_PROC_IS_HNP && 0 == i) {
orte_process_info.my_hnp_uri = strdup(uri);
}
val.data.string = uri;
if (OPAL_SUCCESS != (rc = opal_pmix.store_local(&proc, &val))) {
ORTE_ERROR_LOG(rc);
val.key = NULL;
val.data.string = NULL;
OBJ_DESTRUCT(&val);
return rc;
}
free(proc_name);
free(uri);
}
val.key = NULL;
val.data.string = NULL;
OBJ_DESTRUCT(&val);
return rc;
}
int orte_util_nidmap_create(opal_pointer_array_t *pool, char **regex)
{
char *node;
char prefix[ORTE_MAX_NODE_PREFIX];
int i, j, n, len, startnum, nodenum, numdigits;
bool found;
char *suffix, *sfx, *nodenames;
orte_regex_node_t *ndreg;
orte_regex_range_t *range, *rng;
opal_list_t nodenms, dvpids;
opal_list_item_t *item, *itm2;
char **regexargs = NULL, *tmp, *tmp2;
orte_node_t *nptr;
orte_vpid_t vpid;
OBJ_CONSTRUCT(&nodenms, opal_list_t);
OBJ_CONSTRUCT(&dvpids, opal_list_t);
rng = NULL;
for (n=0; n < pool->size; n++) {
if (NULL == (nptr = (orte_node_t*)opal_pointer_array_get_item(pool, n))) {
continue;
}
/* if no daemon has been assigned, then this node is not being used */
if (NULL == nptr->daemon) {
vpid = -1; // indicates no daemon assigned
} else {
vpid = nptr->daemon->name.vpid;
}
/* deal with the daemon vpid - see if it is next in the
* current range */
if (NULL == rng) {
/* just starting */
rng = OBJ_NEW(orte_regex_range_t);
rng->vpid = vpid;
rng->cnt = 1;
opal_list_append(&dvpids, &rng->super);
} else if (UINT32_MAX == vpid) {
if (-1 == rng->vpid) {
rng->cnt++;
} else {
/* need to start another range */
rng = OBJ_NEW(orte_regex_range_t);
rng->vpid = vpid;
rng->cnt = 1;
opal_list_append(&dvpids, &rng->super);
}
} else if (-1 == rng->vpid) {
/* need to start another range */
rng = OBJ_NEW(orte_regex_range_t);
rng->vpid = vpid;
rng->cnt = 1;
opal_list_append(&dvpids, &rng->super);
} else {
/* is this the next in line */
if (vpid == (orte_vpid_t)(rng->vpid + rng->cnt)) {
rng->cnt++;
} else {
/* need to start another range */
rng = OBJ_NEW(orte_regex_range_t);
rng->vpid = vpid;
rng->cnt = 1;
opal_list_append(&dvpids, &rng->super);
}
}
node = nptr->name;
/* determine this node's prefix by looking for first digit char */
len = strlen(node);
startnum = -1;
memset(prefix, 0, ORTE_MAX_NODE_PREFIX);
numdigits = 0;
for (i=0, j=0; i < len; i++) {
/* valid hostname characters are ascii letters, digits and the '-' character. */
if (isdigit(node[i])) {
/* count the size of the numeric field - but don't
* add the digits to the prefix
*/
numdigits++;
if (startnum < 0) {
/* okay, this defines end of the prefix */
startnum = i;
}
continue;
}
/* this must be either an alpha, a '.', or '-' */
if (!isalpha(node[i]) && '-' != node[i] && '.' != node[i]) {
orte_show_help("help-regex.txt", "regex:invalid-name", true, node);
return ORTE_ERR_SILENT;
}
if (startnum < 0) {
prefix[j++] = node[i];
}
}
if (startnum < 0) {
/* can't compress this name - just add it to the list */
ndreg = OBJ_NEW(orte_regex_node_t);
ndreg->prefix = strdup(node);
opal_list_append(&nodenms, &ndreg->super);
continue;
}
/* convert the digits and get any suffix */
nodenum = strtol(&node[startnum], &sfx, 10);
if (NULL != sfx) {
suffix = strdup(sfx);
} else {
suffix = NULL;
}
/* is this node name already on our list? */
found = false;
for (item = opal_list_get_first(&nodenms);
!found && item != opal_list_get_end(&nodenms);
item = opal_list_get_next(item)) {
ndreg = (orte_regex_node_t*)item;
if (0 < strlen(prefix) && NULL == ndreg->prefix) {
continue;
}
if (0 == strlen(prefix) && NULL != ndreg->prefix) {
continue;
}
if (0 < strlen(prefix) && NULL != ndreg->prefix
&& 0 != strcmp(prefix, ndreg->prefix)) {
continue;
}
if (NULL == suffix && NULL != ndreg->suffix) {
continue;
}
if (NULL != suffix && NULL == ndreg->suffix) {
continue;
}
if (NULL != suffix && NULL != ndreg->suffix &&
0 != strcmp(suffix, ndreg->suffix)) {
continue;
}
if (numdigits != ndreg->num_digits) {
continue;
}
/* found a match - flag it */
found = true;
/* get the last range on this nodeid - we do this
* to preserve order
*/
range = (orte_regex_range_t*)opal_list_get_last(&ndreg->ranges);
if (NULL == range) {
/* first range for this nodeid */
range = OBJ_NEW(orte_regex_range_t);
range->vpid = nodenum;
range->cnt = 1;
opal_list_append(&ndreg->ranges, &range->super);
break;
}
/* see if the node number is out of sequence */
if (nodenum != (range->vpid + range->cnt)) {
/* start a new range */
range = OBJ_NEW(orte_regex_range_t);
range->vpid = nodenum;
range->cnt = 1;
opal_list_append(&ndreg->ranges, &range->super);
break;
}
/* everything matches - just increment the cnt */
range->cnt++;
break;
}
if (!found) {
/* need to add it */
ndreg = OBJ_NEW(orte_regex_node_t);
if (0 < strlen(prefix)) {
ndreg->prefix = strdup(prefix);
}
if (NULL != suffix) {
ndreg->suffix = strdup(suffix);
}
ndreg->num_digits = numdigits;
opal_list_append(&nodenms, &ndreg->super);
/* record the first range for this nodeid - we took
* care of names we can't compress above
*/
range = OBJ_NEW(orte_regex_range_t);
range->vpid = nodenum;
range->cnt = 1;
opal_list_append(&ndreg->ranges, &range->super);
}
if (NULL != suffix) {
free(suffix);
}
}
/* begin constructing the regular expression */
while (NULL != (item = opal_list_remove_first(&nodenms))) {
ndreg = (orte_regex_node_t*)item;
/* if no ranges, then just add the name */
if (0 == opal_list_get_size(&ndreg->ranges)) {
if (NULL != ndreg->prefix) {
/* solitary node */
asprintf(&tmp, "%s", ndreg->prefix);
opal_argv_append_nosize(&regexargs, tmp);
free(tmp);
}
OBJ_RELEASE(ndreg);
continue;
}
/* start the regex for this nodeid with the prefix */
if (NULL != ndreg->prefix) {
asprintf(&tmp, "%s[%d:", ndreg->prefix, ndreg->num_digits);
} else {
asprintf(&tmp, "[%d:", ndreg->num_digits);
}
/* add the ranges */
while (NULL != (itm2 = opal_list_remove_first(&ndreg->ranges))) {
range = (orte_regex_range_t*)itm2;
if (1 == range->cnt) {
asprintf(&tmp2, "%s%u,", tmp, range->vpid);
} else {
asprintf(&tmp2, "%s%u-%u,", tmp, range->vpid, range->vpid + range->cnt - 1);
}
free(tmp);
tmp = tmp2;
OBJ_RELEASE(range);
}
/* replace the final comma */
tmp[strlen(tmp)-1] = ']';
if (NULL != ndreg->suffix) {
/* add in the suffix, if provided */
asprintf(&tmp2, "%s%s", tmp, ndreg->suffix);
free(tmp);
tmp = tmp2;
}
opal_argv_append_nosize(&regexargs, tmp);
free(tmp);
OBJ_RELEASE(ndreg);
}
/* assemble final result */
nodenames = opal_argv_join(regexargs, ',');
/* cleanup */
opal_argv_free(regexargs);
OBJ_DESTRUCT(&nodenms);
/* do the same for the vpids */
tmp = NULL;
while (NULL != (item = opal_list_remove_first(&dvpids))) {
rng = (orte_regex_range_t*)item;
if (1 < rng->cnt) {
if (NULL == tmp) {
asprintf(&tmp, "%u(%u)", rng->vpid, rng->cnt);
} else {
asprintf(&tmp2, "%s,%u(%u)", tmp, rng->vpid, rng->cnt);
free(tmp);
tmp = tmp2;
}
} else {
if (NULL == tmp) {
asprintf(&tmp, "%u", rng->vpid);
} else {
asprintf(&tmp2, "%s,%u", tmp, rng->vpid);
free(tmp);
tmp = tmp2;
}
}
OBJ_RELEASE(rng);
}
OPAL_LIST_DESTRUCT(&dvpids);
/* now concatenate the results into one string */
asprintf(&tmp2, "%s@%s", nodenames, tmp);
free(nodenames);
free(tmp);
*regex = tmp2;
return ORTE_SUCCESS;
}
int orte_util_encode_nodemap(opal_buffer_t *buffer)
{
int n;
bool test;
orte_regex_range_t *rng, *slt, *tp, *flg;
opal_list_t slots, topos, flags;
opal_list_item_t *item;
char *tmp, *tmp2;
orte_node_t *nptr;
int rc;
uint8_t ui8;
orte_topology_t *ortetopo;
/* setup the list of results */
OBJ_CONSTRUCT(&slots, opal_list_t);
OBJ_CONSTRUCT(&topos, opal_list_t);
OBJ_CONSTRUCT(&flags, opal_list_t);
slt = NULL;
tp = NULL;
flg = NULL;
/* pack a flag indicating if the HNP was included in the allocation */
if (orte_hnp_is_allocated) {
ui8 = 1;
} else {
ui8 = 0;
}
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &ui8, 1, OPAL_UINT8))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* pack a flag indicating if we are in a managed allocation */
if (orte_managed_allocation) {
ui8 = 1;
} else {
ui8 = 0;
}
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &ui8, 1, OPAL_UINT8))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* handle the topologies - as the most common case by far
* is to have homogeneous topologies, we only send them
* if something is different. We know that the HNP is
* the first topology, and that any differing topology
* on the compute nodes must follow. So send the topologies
* if and only if:
*
* (a) the HNP is being used to house application procs and
* there is more than one topology on our list; or
*
* (b) the HNP is not being used, but there are more than
* two topologies on our list, thus indicating that
* there are multiple topologies on the compute nodes
*/
nptr = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, 0);
if (!orte_hnp_is_allocated || (ORTE_GET_MAPPING_DIRECTIVE(orte_rmaps_base.mapping) & ORTE_MAPPING_NO_USE_LOCAL)) {
/* assign a NULL topology so we still account for our presence,
* but don't cause us to send topology info when not needed */
tp = OBJ_NEW(orte_regex_range_t);
tp->t = NULL;
tp->cnt = 1;
} else {
/* there is always one topology - our own - so start with it */
tp = OBJ_NEW(orte_regex_range_t);
tp->t = nptr->topology;
tp->cnt = 1;
}
opal_list_append(&topos, &tp->super);
opal_output_verbose(5, orte_nidmap_output,
"%s STARTING WITH TOPOLOGY FOR NODE %s: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
nptr->name, (NULL == tp->t) ? "NULL" : tp->t->sig);
/* likewise, we have slots */
slt = OBJ_NEW(orte_regex_range_t);
slt->slots = nptr->slots;
slt->cnt = 1;
opal_list_append(&slots, &slt->super);
/* and flags */
flg = OBJ_NEW(orte_regex_range_t);
if (ORTE_FLAG_TEST(nptr, ORTE_NODE_FLAG_SLOTS_GIVEN)) {
flg->slots = 1;
} else {
flg->slots = 0;
}
flg->cnt = 1;
opal_list_append(&flags, &flg->super);
for (n=1; n < orte_node_pool->size; n++) {
if (NULL == (nptr = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, n))) {
continue;
}
/* check the #slots */
/* is this the next in line */
if (nptr->slots == slt->slots) {
slt->cnt++;
} else {
/* need to start another range */
slt = OBJ_NEW(orte_regex_range_t);
slt->slots = nptr->slots;
slt->cnt = 1;
opal_list_append(&slots, &slt->super);
}
/* check the topologies */
if (NULL != tp->t && NULL == nptr->topology) {
/* we don't know this topology, likely because
* we don't have a daemon on the node */
tp = OBJ_NEW(orte_regex_range_t);
tp->t = NULL;
tp->cnt = 1;
opal_output_verbose(5, orte_nidmap_output,
"%s ADD TOPOLOGY FOR NODE %s: NULL",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), nptr->name);
opal_list_append(&topos, &tp->super);
} else {
/* is this the next in line */
if (tp->t == nptr->topology) {
tp->cnt++;
opal_output_verbose(5, orte_nidmap_output,
"%s CONTINUE TOPOLOGY RANGE (%d) WITH NODE %s: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
tp->cnt, nptr->name,
(NULL == tp->t) ? "N/A" : tp->t->sig);
} else {
/* need to start another range */
tp = OBJ_NEW(orte_regex_range_t);
tp->t = nptr->topology;
tp->cnt = 1;
opal_output_verbose(5, orte_nidmap_output,
"%s STARTING NEW TOPOLOGY RANGE WITH NODE %s: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
nptr->name, tp->t->sig);
opal_list_append(&topos, &tp->super);
}
}
/* check the flags */
test = ORTE_FLAG_TEST(nptr, ORTE_NODE_FLAG_SLOTS_GIVEN);
/* is this the next in line */
if ((test && 1 == flg->slots) ||
(!test && 0 == flg->slots)) {
flg->cnt++;
} else {
/* need to start another range */
flg = OBJ_NEW(orte_regex_range_t);
if (test) {
flg->slots = 1;
} else {
flg->slots = 0;
}
flg->cnt = 1;
opal_list_append(&flags, &flg->super);
}
}
/* pass #slots on each node */
tmp = NULL;
while (NULL != (item = opal_list_remove_first(&slots))) {
rng = (orte_regex_range_t*)item;
if (NULL == tmp) {
asprintf(&tmp, "%d[%d]", rng->cnt, rng->slots);
} else {
asprintf(&tmp2, "%s,%d[%d]", tmp, rng->cnt, rng->slots);
free(tmp);
tmp = tmp2;
}
OBJ_RELEASE(rng);
}
OPAL_LIST_DESTRUCT(&slots);
opal_output_verbose(1, orte_nidmap_output,
"%s SLOT ASSIGNMENTS: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), tmp);
/* pack the string */
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &tmp, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (NULL != tmp) {
free(tmp);
}
/* do the same to pass the flags for each node */
tmp = NULL;
while (NULL != (item = opal_list_remove_first(&flags))) {
rng = (orte_regex_range_t*)item;
if (NULL == tmp) {
asprintf(&tmp, "%d[%d]", rng->cnt, rng->slots);
} else {
asprintf(&tmp2, "%s,%d[%d]", tmp, rng->cnt, rng->slots);
free(tmp);
tmp = tmp2;
}
OBJ_RELEASE(rng);
}
OPAL_LIST_DESTRUCT(&flags);
/* pack the string */
opal_output_verbose(1, orte_nidmap_output,
"%s FLAG ASSIGNMENTS: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), tmp);
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &tmp, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (NULL != tmp) {
free(tmp);
}
/* don't try to be cute - there aren't going to be that many
* topologies, so just scan the list and see if they are the
* same, excluding any NULL values */
ortetopo = NULL;
test = false;
OPAL_LIST_FOREACH(rng, &topos, orte_regex_range_t) {
if (NULL == rng->t) {
continue;
}
if (NULL == ortetopo) {
ortetopo = rng->t;
} else if (0 != strcmp(ortetopo->sig, rng->t->sig)) {
/* we have a difference, so send them */
test = true;
}
}
tmp = NULL;
if (test) {
opal_buffer_t bucket, *bptr;
OBJ_CONSTRUCT(&bucket, opal_buffer_t);
while (NULL != (item = opal_list_remove_first(&topos))) {
rng = (orte_regex_range_t*)item;
opal_output_verbose(5, orte_nidmap_output,
"%s PASSING TOPOLOGY %s RANGE %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(NULL == rng->t) ? "NULL" : rng->t->sig, rng->cnt);
if (NULL == tmp) {
asprintf(&tmp, "%d", rng->cnt);
} else {
asprintf(&tmp2, "%s,%d", tmp, rng->cnt);
free(tmp);
tmp = tmp2;
}
if (NULL == rng->t) {
/* need to account for NULL topology */
opal_output_verbose(1, orte_nidmap_output,
"%s PACKING NULL TOPOLOGY",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
tmp2 = NULL;
if (ORTE_SUCCESS != (rc = opal_dss.pack(&bucket, &tmp2, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(rng);
OPAL_LIST_DESTRUCT(&topos);
OBJ_DESTRUCT(&bucket);
free(tmp);
return rc;
}
} else {
opal_output_verbose(1, orte_nidmap_output,
"%s PACKING TOPOLOGY: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), rng->t->sig);
/* pack this topology string */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&bucket, &rng->t->sig, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(rng);
OPAL_LIST_DESTRUCT(&topos);
OBJ_DESTRUCT(&bucket);
free(tmp);
return rc;
}
/* pack the topology itself */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&bucket, &rng->t->topo, 1, OPAL_HWLOC_TOPO))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(rng);
OPAL_LIST_DESTRUCT(&topos);
OBJ_DESTRUCT(&bucket);
free(tmp);
return rc;
}
}
OBJ_RELEASE(rng);
}
OPAL_LIST_DESTRUCT(&topos);
/* pack the string */
opal_output_verbose(1, orte_nidmap_output,
"%s TOPOLOGY ASSIGNMENTS: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), tmp);
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &tmp, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&bucket);
free(tmp);
return rc;
}
free(tmp);
/* now pack the topologies */
bptr = &bucket;
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &bptr, 1, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&bucket);
return rc;
}
OBJ_DESTRUCT(&bucket);
} else {
opal_output_verbose(1, orte_nidmap_output,
"%s NOT PASSING TOPOLOGIES",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
/* need to pack the NULL just to terminate the region */
if (ORTE_SUCCESS != (rc = opal_dss.pack(buffer, &tmp, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
}
return ORTE_SUCCESS;
}
int orte_util_nidmap_parse(char *regex)
{
char *nodelist, *vpids, *ptr;
char **nodes, **dvpids;
int rc, n, cnt;
orte_regex_range_t *rng;
opal_list_t dids;
orte_job_t *daemons;
orte_node_t *nd;
orte_proc_t *proc;
/* if we are the HNP, we don't need to parse this */
if (ORTE_PROC_IS_HNP) {
return ORTE_SUCCESS;
}
/* split the regex into its node and vpid parts */
nodelist = regex;
vpids = strchr(regex, '@');
if (NULL == vpids) {
/* indicates the regex got mangled somewhere */
return ORTE_ERR_BAD_PARAM;
}
*vpids = '\0'; // terminate the nodelist string
++vpids; // step over the separator
if (NULL == vpids || '\0' == *vpids) {
/* indicates the regex got mangled somewhere */
return ORTE_ERR_BAD_PARAM;
}
/* decompress the nodes regex */
nodes = NULL;
if (ORTE_SUCCESS != (rc = orte_regex_extract_node_names(nodelist, &nodes))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (NULL == nodes) {
/* should not happen */
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return ORTE_ERR_NOT_FOUND;
}
/* decompress the vpids */
OBJ_CONSTRUCT(&dids, opal_list_t);
dvpids = opal_argv_split(vpids, ',');
for (n=0; NULL != dvpids[n]; n++) {
rng = OBJ_NEW(orte_regex_range_t);
opal_list_append(&dids, &rng->super);
/* check for a count */
if (NULL != (ptr = strchr(dvpids[n], '('))) {
dvpids[n][strlen(dvpids[n])-1] = '\0'; // remove trailing paren
*ptr = '\0';
++ptr;
rng->cnt = strtoul(ptr, NULL, 10);
} else {
rng->cnt = 1;
}
/* convert the number */
rng->vpid = strtoul(dvpids[n], NULL, 10);
}
opal_argv_free(dvpids);
/* get the daemon job object */
daemons = orte_get_job_data_object(ORTE_PROC_MY_NAME->jobid);
/* create the node pool array - this will include
* _all_ nodes known to the allocation */
rng = (orte_regex_range_t*)opal_list_get_first(&dids);
cnt = 0;
for (n=0; NULL != nodes[n]; n++) {
nd = OBJ_NEW(orte_node_t);
nd->name = nodes[n];
opal_pointer_array_set_item(orte_node_pool, n, nd);
/* see if it has a daemon on it */
if (-1 != rng->vpid) {
/* we have a daemon, so let's create the tracker for it */
if (NULL == (proc = (orte_proc_t*)opal_pointer_array_get_item(daemons->procs, rng->vpid+cnt))) {
proc = OBJ_NEW(orte_proc_t);
proc->name.jobid = ORTE_PROC_MY_NAME->jobid;
proc->name.vpid = rng->vpid + cnt;
proc->state = ORTE_PROC_STATE_RUNNING;
ORTE_FLAG_SET(proc, ORTE_PROC_FLAG_ALIVE);
daemons->num_procs++;
opal_pointer_array_set_item(daemons->procs, proc->name.vpid, proc);
}
nd->index = proc->name.vpid;
OBJ_RETAIN(nd);
proc->node = nd;
OBJ_RETAIN(proc);
nd->daemon = proc;
}
++cnt;
if (rng->cnt <= cnt) {
rng = (orte_regex_range_t*)opal_list_get_next(&rng->super);
if (NULL == rng) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return ORTE_ERR_NOT_FOUND;
}
cnt = 0;
}
}
/* update num procs */
if (orte_process_info.num_procs != daemons->num_procs) {
orte_process_info.num_procs = daemons->num_procs;
/* need to update the routing plan */
orte_routed.update_routing_plan(NULL);
}
if (orte_process_info.max_procs < orte_process_info.num_procs) {
orte_process_info.max_procs = orte_process_info.num_procs;
}
if (0 < opal_output_get_verbosity(orte_debug_verbosity)) {
int i;
for (i=0; i < orte_node_pool->size; i++) {
if (NULL == (nd = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, i))) {
continue;
}
opal_output(0, "%s node[%d].name %s daemon %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), i,
(NULL == nd->name) ? "NULL" : nd->name,
(NULL == nd->daemon) ? "NONE" : ORTE_VPID_PRINT(nd->daemon->name.vpid));
}
}
return ORTE_SUCCESS;
}
/* decode a nodemap for a daemon */
int orte_util_decode_daemon_nodemap(opal_buffer_t *buffer)
{
int n, nn, rc, cnt, offset;
orte_node_t *node;
char *slots=NULL, *topos=NULL, *flags=NULL;
char *rmndr, **tmp;
opal_list_t slts, flgs;;
opal_buffer_t *bptr=NULL;
orte_topology_t *t2;
orte_regex_range_t *rng, *srng, *frng;
uint8_t ui8;
OBJ_CONSTRUCT(&slts, opal_list_t);
OBJ_CONSTRUCT(&flgs, opal_list_t);
/* unpack the flag indicating if the HNP was allocated */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &ui8, &n, OPAL_UINT8))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (0 == ui8) {
orte_hnp_is_allocated = false;
} else {
orte_hnp_is_allocated = true;
}
/* unpack the flag indicating we are in a managed allocation */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &ui8, &n, OPAL_UINT8))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (0 == ui8) {
orte_managed_allocation = false;
} else {
orte_managed_allocation = true;
}
/* unpack the slots regex */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &slots, &n, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* this is not allowed to be NULL */
if (NULL == slots) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
rc = ORTE_ERR_BAD_PARAM;
goto cleanup;
}
/* unpack the flags regex */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &flags, &n, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* this is not allowed to be NULL */
if (NULL == flags) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
rc = ORTE_ERR_BAD_PARAM;
goto cleanup;
}
/* unpack the topos regex - this may not have been
* provided (e.g., for a homogeneous machine) */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &topos, &n, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (NULL != topos) {
/* need to unpack the topologies */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &bptr, &n, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
}
/* if we are the HNP, then we just discard these strings as we already
* have a complete picture - but we needed to unpack them in order to
* maintain sync in the unpacking order */
if (ORTE_PROC_IS_HNP) {
rc = ORTE_SUCCESS;
goto cleanup;
}
/* decompress the slots */
tmp = opal_argv_split(slots, ',');
for (n=0; NULL != tmp[n]; n++) {
rng = OBJ_NEW(orte_regex_range_t);
opal_list_append(&slts, &rng->super);
/* find the '[' as that delimits the value */
rmndr = strchr(tmp[n], '[');
if (NULL == rmndr) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
rc = ORTE_ERR_BAD_PARAM;
opal_argv_free(tmp);
goto cleanup;
}
*rmndr = '\0';
++rmndr;
/* convert that number as this is the number of
* slots for this range */
rng->slots = strtoul(rmndr, NULL, 10);
/* convert the initial number as that is the cnt */
rng->cnt = strtoul(tmp[n], NULL, 10);
}
opal_argv_free(tmp);
/* decompress the flags */
tmp = opal_argv_split(flags, ',');
for (n=0; NULL != tmp[n]; n++) {
rng = OBJ_NEW(orte_regex_range_t);
opal_list_append(&flgs, &rng->super);
/* find the '[' as that delimits the value */
rmndr = strchr(tmp[n], '[');
if (NULL == rmndr) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
opal_argv_free(tmp);
rc = ORTE_ERR_BAD_PARAM;
goto cleanup;
}
*rmndr = '\0';
++rmndr;
/* check the value - it is just one character */
if ('1' == *rmndr) {
rng->slots = 1;
} else {
rng->slots = 0;
}
/* convert the initial number as that is the cnt */
rng->cnt = strtoul(tmp[n], NULL, 10);
}
opal_argv_free(tmp);
free(flags);
/* update the node array */
srng = (orte_regex_range_t*)opal_list_get_first(&slts);
frng = (orte_regex_range_t*)opal_list_get_first(&flgs);
for (n=0; n < orte_node_pool->size; n++) {
if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, n))) {
continue;
}
/* set the number of slots */
node->slots = srng->slots;
srng->cnt--;
if (0 == srng->cnt) {
srng = (orte_regex_range_t*)opal_list_get_next(&srng->super);
}
/* set the flags */
if (0 == frng->slots) {
ORTE_FLAG_UNSET(node, ORTE_NODE_FLAG_SLOTS_GIVEN);
} else {
ORTE_FLAG_SET(node, ORTE_NODE_FLAG_SLOTS_GIVEN);
}
frng->cnt--;
if (0 == frng->cnt) {
frng = (orte_regex_range_t*)opal_list_get_next(&frng->super);
}
}
/* if no topology info was passed, then everyone shares our topology */
if (NULL == bptr) {
/* our topology is first in the array */
t2 = (orte_topology_t*)opal_pointer_array_get_item(orte_node_topologies, 0);
opal_output_verbose(1, orte_nidmap_output,
"%s ASSIGNING ALL TOPOLOGIES TO: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), t2->sig);
for (n=0; n < orte_node_pool->size; n++) {
if (NULL != (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, n))) {
if (NULL == node->topology) {
OBJ_RETAIN(t2);
node->topology = t2;
}
}
}
} else {
char *sig;
hwloc_topology_t topo;
/* decompress the topology regex */
tmp = opal_argv_split(topos, ',');
/* there must be a topology definition for each range */
offset = 0;
for (nn=0; NULL != tmp[nn]; nn++) {
cnt = strtoul(tmp[nn], NULL, 10);
/* unpack the signature */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(bptr, &sig, &n, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
opal_argv_free(tmp);
OBJ_RELEASE(bptr);
goto cleanup;
}
if (NULL == sig) {
/* the nodes in this range have not reported a topology,
* so skip them */
offset += cnt;
continue;
}
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(bptr, &topo, &n, OPAL_HWLOC_TOPO))) {
ORTE_ERROR_LOG(rc);
opal_argv_free(tmp);
OBJ_RELEASE(bptr);
free(sig);
goto cleanup;
}
/* see if we already have this topology - could be an update */
t2 = NULL;
for (n=0; n < orte_node_topologies->size; n++) {
if (NULL == (t2 = (orte_topology_t*)opal_pointer_array_get_item(orte_node_topologies, n))) {
continue;
}
if (0 == strcmp(t2->sig, sig)) {
/* found a match */
free(sig);
opal_hwloc_base_free_topology(topo);
sig = NULL;
break;
}
}
if (NULL != sig || NULL == t2) {
/* new topology - record it */
t2 = OBJ_NEW(orte_topology_t);
t2->sig = sig;
t2->topo = topo;
opal_pointer_array_add(orte_node_topologies, t2);
}
/* point each of the nodes in this range to this topology */
n=0;
while (n < cnt && (n+offset) < orte_node_pool->size) {
if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, n+offset))) {
continue;
}
opal_output_verbose(1, orte_nidmap_output,
"%s ASSIGNING NODE %s WITH TOPO: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name, t2->sig);
if (NULL == node->topology) {
OBJ_RETAIN(t2);
node->topology = t2;
}
++n;
}
offset += cnt;
}
OBJ_RELEASE(bptr);
opal_argv_free(tmp);
}
cleanup:
OPAL_LIST_DESTRUCT(&slts);
OPAL_LIST_DESTRUCT(&flgs);
return rc;
}
typedef struct {
opal_list_item_t super;
int ctx;
int nprocs;
int cnt;
} orte_nidmap_regex_t;
static void nrcon(orte_nidmap_regex_t *p)
{
p->ctx = 0;
p->nprocs = -1;
p->cnt = 0;
}
static OBJ_CLASS_INSTANCE(orte_nidmap_regex_t,
opal_list_item_t,
nrcon, NULL);
/* since not every node is involved in a job, we have to create a
* regex that indicates the ppn for every node, marking those that
* are not involved. Since each daemon knows the entire
* node pool, we simply provide a ppn for every daemon, with a -1
* to indicate that the node is empty for that job */
int orte_util_nidmap_generate_ppn(orte_job_t *jdata, char **ppn)
{
orte_nidmap_regex_t *prng, **actives;
opal_list_t *prk;
orte_node_t *nptr;
orte_proc_t *proc;
size_t n;
int *cnt, i, k;
char *tmp2, *ptmp, **cache = NULL;
/* create an array of lists to handle the number of app_contexts in this job */
prk = (opal_list_t*)malloc(jdata->num_apps * sizeof(opal_list_t));
cnt = (int*)malloc(jdata->num_apps * sizeof(int));
actives = (orte_nidmap_regex_t**)malloc(jdata->num_apps * sizeof(orte_nidmap_regex_t*));
for (n=0; n < jdata->num_apps; n++) {
OBJ_CONSTRUCT(&prk[n], opal_list_t);
actives[n] = NULL;
}
/* we provide a complete map in the regex, with an entry for every
* node in the pool */
for (i=0; i < orte_node_pool->size; i++) {
if (NULL == (nptr = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, i))) {
continue;
}
/* if a daemon has been assigned, then count how many procs
* for each app_context from the specified job are assigned to this node */
memset(cnt, 0, jdata->num_apps * sizeof(int));
if (NULL != nptr->daemon) {
for (k=0; k < nptr->procs->size; k++) {
if (NULL != (proc = (orte_proc_t*)opal_pointer_array_get_item(nptr->procs, k))) {
if (proc->name.jobid == jdata->jobid) {
++cnt[proc->app_idx];
}
}
}
}
/* track the #procs on this node */
for (n=0; n < jdata->num_apps; n++) {
if (NULL == actives[n]) {
/* just starting */
actives[n] = OBJ_NEW(orte_nidmap_regex_t);
actives[n]->nprocs = cnt[n];
actives[n]->cnt = 1;
opal_list_append(&prk[n], &actives[n]->super);
} else {
/* is this the next in line */
if (cnt[n] == actives[n]->nprocs) {
actives[n]->cnt++;
} else {
/* need to start another range */
actives[n] = OBJ_NEW(orte_nidmap_regex_t);
actives[n]->nprocs = cnt[n];
actives[n]->cnt = 1;
opal_list_append(&prk[n], &actives[n]->super);
}
}
}
}
/* construct the regex from the found ranges for each app_context */
ptmp = NULL;
for (n=0; n < jdata->num_apps; n++) {
OPAL_LIST_FOREACH(prng, &prk[n], orte_nidmap_regex_t) {
if (1 < prng->cnt) {
if (NULL == ptmp) {
asprintf(&ptmp, "%u(%u)", prng->nprocs, prng->cnt);
} else {
asprintf(&tmp2, "%s,%u(%u)", ptmp, prng->nprocs, prng->cnt);
free(ptmp);
ptmp = tmp2;
}
} else {
if (NULL == ptmp) {
asprintf(&ptmp, "%u", prng->nprocs);
} else {
asprintf(&tmp2, "%s,%u", ptmp, prng->nprocs);
free(ptmp);
ptmp = tmp2;
}
}
}
OPAL_LIST_DESTRUCT(&prk[n]); // releases all the actives objects
if (NULL != ptmp) {
opal_argv_append_nosize(&cache, ptmp);
free(ptmp);
ptmp = NULL;
}
}
free(prk);
free(cnt);
free(actives);
*ppn = opal_argv_join(cache, '@');
opal_argv_free(cache);
return ORTE_SUCCESS;
}
int orte_util_nidmap_parse_ppn(orte_job_t *jdata, char *regex)
{
orte_node_t *node;
orte_proc_t *proc;
int n, k, m, cnt;
char **tmp, *ptr, **ppn;
orte_nidmap_regex_t *rng;
opal_list_t trk;
int rc = ORTE_SUCCESS;
/* split the regex by app_context */
tmp = opal_argv_split(regex, '@');
/* for each app_context, set the ppn */
for (n=0; NULL != tmp[n]; n++) {
ppn = opal_argv_split(tmp[n], ',');
/* decompress the ppn */
OBJ_CONSTRUCT(&trk, opal_list_t);
for (m=0; NULL != ppn[m]; m++) {
rng = OBJ_NEW(orte_nidmap_regex_t);
opal_list_append(&trk, &rng->super);
/* check for a count */
if (NULL != (ptr = strchr(ppn[m], '('))) {
ppn[m][strlen(ppn[m])-1] = '\0'; // remove trailing paren
*ptr = '\0';
++ptr;
rng->cnt = strtoul(ptr, NULL, 10);
} else {
rng->cnt = 1;
}
/* convert the number */
rng->nprocs = strtoul(ppn[m], NULL, 10);
}
opal_argv_free(ppn);
/* cycle thru our node pool and add the indicated number of procs
* to each node */
rng = (orte_nidmap_regex_t*)opal_list_get_first(&trk);
cnt = 0;
for (m=0; m < orte_node_pool->size; m++) {
if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, m))) {
continue;
}
/* see if it has any procs for this job and app_context */
if (0 < rng->nprocs) {
/* add this node to the job map if it isn't already there */
if (!ORTE_FLAG_TEST(node, ORTE_NODE_FLAG_MAPPED)) {
OBJ_RETAIN(node);
ORTE_FLAG_SET(node, ORTE_NODE_FLAG_MAPPED);
opal_pointer_array_add(jdata->map->nodes, node);
}
/* create a proc object for each one */
for (k=0; k < rng->nprocs; k++) {
proc = OBJ_NEW(orte_proc_t);
proc->name.jobid = jdata->jobid;
/* leave the vpid undefined as this will be determined
* later when we do the overall ranking */
proc->app_idx = n;
proc->parent = node->daemon->name.vpid;
OBJ_RETAIN(node);
proc->node = node;
/* flag the proc as ready for launch */
proc->state = ORTE_PROC_STATE_INIT;
opal_pointer_array_add(node->procs, proc);
/* we will add the proc to the jdata array when we
* compute its rank */
}
node->num_procs += rng->nprocs;
}
++cnt;
if (rng->cnt <= cnt) {
rng = (orte_nidmap_regex_t*)opal_list_get_next(&rng->super);
if (NULL == rng) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
opal_argv_free(tmp);
rc = ORTE_ERR_NOT_FOUND;
goto complete;
}
cnt = 0;
}
}
OPAL_LIST_DESTRUCT(&trk);
}
opal_argv_free(tmp);
complete:
/* reset any node map flags we used so the next job will start clean */
for (n=0; n < jdata->map->nodes->size; n++) {
if (NULL != (node = (orte_node_t*)opal_pointer_array_get_item(jdata->map->nodes, n))) {
ORTE_FLAG_UNSET(node, ORTE_NODE_FLAG_MAPPED);
}
}
return rc;
}