ports/openmpi
ports/openmpi
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9f3ccebeaa
openmpi/orte/util/nidmap.c
Ralph Castain 3921069230 Ensure we completely cleanout the old nidmap info 
This commit was SVN r22222.
2009-11-19 19:42:15 +00:00

1006 строки
33 KiB
C
Исходник Ответственный История

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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.
* $COPYRIGHT$
*
* 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/util/output.h"
#include "opal/util/argv.h"
#include "orte/mca/errmgr/errmgr.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/util/nidmap.h"
static bool initialized = false;
int orte_util_nidmap_init(opal_buffer_t *buffer)
{
int32_t cnt;
int rc;
opal_byte_object_t *bo;
int8_t flag;
char *regexp;
if (!initialized) {
/* need to construct the global arrays */
/* setup the nidmap array */
OBJ_CONSTRUCT(&orte_nidmap, opal_pointer_array_t);
opal_pointer_array_init(&orte_nidmap, 8, INT32_MAX, 8);
/* setup array of jmaps */
OBJ_CONSTRUCT(&orte_jobmap, opal_pointer_array_t);
opal_pointer_array_init(&orte_jobmap, 1, INT32_MAX, 1);
/* make sure we don't do this twice */
initialized = true;
}
/* it is okay if the buffer is empty */
if (NULL == buffer || 0 == buffer->bytes_used) {
return ORTE_SUCCESS;
}
/* extract the flag indicating the type of info in the buffer */
cnt=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &flag, &cnt, OPAL_INT8))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (0 < flag) {
/* the data is a regular expression - extract and parse it
* to get the daemonmap and process map
*/
cnt=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &regexp, &cnt, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (ORTE_SUCCESS != (rc = orte_regex_decode_maps(regexp, NULL))) {
ORTE_ERROR_LOG(rc);
}
free(regexp);
return rc;
}
/* extract the byte object holding the daemonmap */
cnt=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &bo, &cnt, OPAL_BYTE_OBJECT))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* unpack the node map */
if (ORTE_SUCCESS != (rc = orte_util_decode_nodemap(bo))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* the bytes in the object were free'd by the decode */
/* extract the byte object holding the process map */
cnt=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &bo, &cnt, OPAL_BYTE_OBJECT))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* unpack the process map */
if (ORTE_SUCCESS != (rc = orte_util_decode_pidmap(bo))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* the bytes in the object were free'd by the decode */
return ORTE_SUCCESS;
}
void orte_util_nidmap_finalize(void)
{
orte_nid_t **nids;
orte_jmap_t **jmaps;
int32_t i;
if (!initialized) {
/* nothing to do */
return;
}
/* deconstruct the global nidmap and jobmap arrays */
nids = (orte_nid_t**)orte_nidmap.addr;
for (i=0; i < orte_nidmap.size && NULL != nids[i]; i++) {
OBJ_RELEASE(nids[i]);
}
OBJ_DESTRUCT(&orte_nidmap);
jmaps = (orte_jmap_t**)orte_jobmap.addr;
for (i=0; i < orte_jobmap.size && NULL != jmaps[i]; i++) {
OBJ_RELEASE(jmaps[i]);
}
OBJ_DESTRUCT(&orte_jobmap);
/* flag that these are no longer initialized */
initialized = false;
}
int orte_util_setup_local_nidmap_entries(void)
{
orte_nid_t *node;
orte_jmap_t *jmap;
orte_pmap_t *pmap;
/* add a jmap entry for myself */
jmap = OBJ_NEW(orte_jmap_t);
jmap->job = ORTE_PROC_MY_NAME->jobid;
opal_pointer_array_add(&orte_jobmap, jmap);
jmap->num_procs = 1;
/* create a nidmap entry for this node */
node = OBJ_NEW(orte_nid_t);
node->name = strdup(orte_process_info.nodename);
node->daemon = ORTE_PROC_MY_DAEMON->vpid;
pmap = OBJ_NEW(orte_pmap_t);
pmap->local_rank = 0;
pmap->node_rank = 0;
node->index = opal_pointer_array_add(&orte_nidmap, node);
/* value array copies values, so everything must be set before
* calling the set_item function
*/
pmap->node = node->index;
opal_pointer_array_set_item(&jmap->pmap, ORTE_PROC_MY_NAME->vpid, pmap);
/* all done */
return ORTE_SUCCESS;
}
int orte_util_build_daemon_nidmap(char **nodes)
{
orte_nid_t *node;
int i, num_nodes;
int rc;
struct hostent *h;
opal_buffer_t buf;
orte_process_name_t proc;
char *uri, *addr;
char *proc_name;
num_nodes = opal_argv_count(nodes);
OPAL_OUTPUT_VERBOSE((2, orte_debug_output,
"orte:util:build:daemon:nidmap found %d nodes", num_nodes));
if (0 == num_nodes) {
/* nothing to do */
return ORTE_SUCCESS;
}
/* set the size of the nidmap storage so we minimize realloc's */
if (ORTE_SUCCESS != (rc = opal_pointer_array_set_size(&orte_nidmap, num_nodes+1))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* install the entry for the HNP */
node = OBJ_NEW(orte_nid_t);
node->name = strdup("HNP");
node->daemon = 0;
/* the arch defaults to our arch so that non-hetero
* case will yield correct behavior
*/
opal_pointer_array_set_item(&orte_nidmap, 0, node);
/* the daemon vpids will be assigned in order,
* starting with vpid=1 for the first node in
* the list
*/
OBJ_CONSTRUCT(&buf, opal_buffer_t);
proc.jobid = ORTE_PROC_MY_NAME->jobid;
for (i=0; i < num_nodes; i++) {
node = OBJ_NEW(orte_nid_t);
node->name = strdup(nodes[i]);
node->daemon = i+1;
/* the arch defaults to our arch so that non-hetero
* case will yield correct behavior
*/
opal_pointer_array_set_item(&orte_nidmap, node->daemon, node);
/* 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]);
OPAL_OUTPUT_VERBOSE((3, orte_debug_output,
"%s orte:util:build:daemon:nidmap node %s daemon %d addr %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
node->name, (int)node->daemon, addr));
/* 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 */
proc.vpid = node->daemon;
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_dss.pack(&buf, &uri, 1, OPAL_STRING);
free(proc_name);
free(uri);
}
/* load the hash tables */
if (ORTE_SUCCESS != (rc = orte_rml_base_update_contact_info(&buf))) {
ORTE_ERROR_LOG(rc);
}
OBJ_DESTRUCT(&buf);
return rc;
}
int orte_util_encode_nodemap(opal_byte_object_t *boptr)
{
orte_vpid_t *vpids;
orte_node_t *node, *hnp;
int32_t i, num_nodes;
int rc;
char *nodename;
opal_buffer_t buf;
char *ptr;
/* setup a buffer for tmp use */
OBJ_CONSTRUCT(&buf, opal_buffer_t);
/* determine the number of nodes in the global node array */
num_nodes = 0;
for (i=0; i < orte_node_pool->size; i++) {
if (NULL == opal_pointer_array_get_item(orte_node_pool, i)) {
continue;
}
++num_nodes;
}
/* pack number of nodes */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, &num_nodes, 1, OPAL_INT32))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* the HNP always has an entry at posn 0 - get its pointer as
* we will need it later
*/
hnp = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, 0);
/* pack every nodename individually */
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 (!orte_keep_fqdn_hostnames) {
nodename = strdup(node->name);
if (NULL != (ptr = strchr(nodename, '.'))) {
*ptr = '\0';
}
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, &nodename, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
free(nodename);
} else {
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, &node->name, 1, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
}
}
/* since the daemon vpids may not correspond to the node
* index, we need to also pack the vpid array for all
* daemons. This scenario can happen when the user is
* employing a mapping algo that doesn't use all allocated
* nodes, and sprinkles procs across them in some non-contig
* manner. For example, use of the seq mapper where only
* some nodes are used, and where the usage leaves "holes"
* in the node array, will cause the daemon vpids to not
* match their node array index
*/
/* allocate space for the daemon vpids */
vpids = (orte_vpid_t*)malloc(num_nodes * sizeof(orte_vpid_t));
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) {
/* some nodes may not have daemons on them */
vpids[i] = ORTE_VPID_INVALID;
continue;
}
vpids[i] = node->daemon->name.vpid;
}
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, vpids, num_nodes, ORTE_VPID))) {
ORTE_ERROR_LOG(rc);
return rc;
}
free(vpids);
/* check if we are to send the profile file data */
if (orte_send_profile) {
int fd;
opal_byte_object_t bo, *bptr;
/* there must be a file specified */
if (NULL == opal_profile_file) {
/* print an error message */
return ORTE_ERR_BAD_PARAM;
}
fd = open(opal_profile_file, O_RDONLY);
if (fd < 0) {
orte_show_help("help-orte-runtime.txt", "orte_nidmap:file-cant-open", true, opal_profile_file);
return ORTE_ERR_FILE_OPEN_FAILURE;
}
/* loop through file until end */
bptr = &bo;
while (0 < read(fd, &bo.size, sizeof(bo.size))) {
/* this is the number of bytes in the byte object */
bo.bytes = (uint8_t *) malloc(bo.size);
if (0 > read(fd, bo.bytes, bo.size)) {
orte_show_help("help-orte-runtime.txt", "orte_nidmap:unable-read-file", true, opal_profile_file);
close(fd);
return ORTE_ERR_FILE_READ_FAILURE;
}
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, &bptr, 1, OPAL_BYTE_OBJECT))) {
ORTE_ERROR_LOG(rc);
return rc;
}
free(bo.bytes);
}
}
/* transfer the payload to the byte object */
opal_dss.unload(&buf, (void**)&boptr->bytes, &boptr->size);
OBJ_DESTRUCT(&buf);
return ORTE_SUCCESS;
}
int orte_util_decode_nodemap(opal_byte_object_t *bo)
{
int n;
int32_t num_nodes, i, num_daemons;
orte_nid_t *node;
orte_vpid_t *vpids;
orte_nid_t *nd, *ndptr;
opal_buffer_t buf;
opal_byte_object_t *boptr;
int rc;
OPAL_OUTPUT_VERBOSE((2, orte_debug_output,
"%s decode:nidmap decoding nodemap",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* if there are any entries already in the node array, clear it out */
if (0 < orte_nidmap.size) {
/* unfortunately, the opal function "remove_all" doesn't release
* the memory pointed to by the elements in the array, so we need
* to release those first
*/
for (i=0; i < orte_nidmap.size; i++) {
if (NULL != (ndptr = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, i))) {
OBJ_RELEASE(ndptr);
}
}
/* now use the opal function to reset the internal pointers */
opal_pointer_array_remove_all(&orte_nidmap);
}
/* xfer the byte object to a buffer for unpacking */
OBJ_CONSTRUCT(&buf, opal_buffer_t);
opal_dss.load(&buf, bo->bytes, bo->size);
/* unpack number of nodes */
n=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, &num_nodes, &n, OPAL_INT32))) {
ORTE_ERROR_LOG(rc);
return rc;
}
OPAL_OUTPUT_VERBOSE((2, orte_debug_output,
"%s decode:nidmap decoding %d nodes",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), num_nodes));
/* set the size of the nidmap storage so we minimize realloc's */
if (ORTE_SUCCESS != (rc = opal_pointer_array_set_size(&orte_nidmap, num_nodes))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* loop over nodes and unpack the raw nodename */
for (i=0; i < num_nodes; i++) {
node = OBJ_NEW(orte_nid_t);
/* the arch defaults to our arch so that non-hetero
* case will yield correct behavior
*/
opal_pointer_array_set_item(&orte_nidmap, i, node);
/* unpack the node's name */
n=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, &(node->name), &n, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
}
/* unpack the daemon vpids */
vpids = (orte_vpid_t*)malloc(num_nodes * sizeof(orte_vpid_t));
n=num_nodes;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, vpids, &n, ORTE_VPID))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* transfer the data to the nidmap, counting the number of
* daemons in the system
*/
num_daemons = 0;
for (i=0; i < num_nodes; i++) {
if (NULL != (ndptr = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, i))) {
ndptr->daemon = vpids[i];
if (ORTE_VPID_INVALID != vpids[i]) {
++num_daemons;
}
}
}
free(vpids);
/* if we are a daemon or the HNP, update our num_procs */
if (ORTE_PROC_IS_HNP || ORTE_PROC_IS_DAEMON) {
orte_process_info.num_procs = num_daemons;
}
/* unpack any attributes that may have been included */
n = 1;
while (ORTE_SUCCESS == opal_dss.unpack(&buf, &boptr, &n, OPAL_BYTE_OBJECT)) {
char *nodename, *attr, *tptr;
opal_buffer_t bobuf;
orte_attr_t *attrdata;
/* setup to unpack the object */
OBJ_CONSTRUCT(&bobuf, opal_buffer_t);
opal_dss.load(&bobuf, boptr->bytes, boptr->size);
/* unpack the nodename */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&bobuf, &nodename, &n, OPAL_STRING))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* find this node in nidmap */
for (i=0, ndptr=NULL; i < orte_nidmap.size; i++) {
if (NULL == (nd = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, i))) {
continue;
}
/* since we may not have kept fqdn hostnames, we can only check
* for equality to the length of the name in the first field
* of an fqdn name
*/
tptr = strchr(nodename, '.');
if (NULL != tptr) {
*tptr = '\0';
}
if (0 == strncmp(nd->name, nodename, strlen(nodename))) {
ndptr = nd;
break;
}
}
free(nodename); /* done with this */
if (NULL == ndptr) {
/* didn't find it! */
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return ORTE_ERR_NOT_FOUND;
}
/* loop through the rest of the object to unpack the attr's themselves */
n = 1;
while (ORTE_SUCCESS == opal_dss.unpack(&bobuf, &attr, &n, OPAL_STRING)) {
attrdata = OBJ_NEW(orte_attr_t);
attrdata->name = strdup(attr);
/* read the number of bytes in the blob */
n = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&bobuf, &attrdata->size, &n, OPAL_INT32))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* unpack the bytes */
attrdata->bytes = (uint8_t *) malloc(attrdata->size);
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&bobuf, attrdata->bytes, &attrdata->size, OPAL_BYTE))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* add to our list for this node */
opal_list_append(&ndptr->attrs, &attrdata->super);
}
OBJ_DESTRUCT(&bobuf);
n = 1;
}
if (0 < opal_output_get_verbosity(orte_debug_output)) {
for (i=0; i < num_nodes; i++) {
opal_list_item_t *item;
orte_attr_t *attr;
if (NULL == (nd = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, 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,
ORTE_VPID_PRINT(nd->daemon));
for (item = opal_list_get_first(&nd->attrs);
item != opal_list_get_end(&nd->attrs);
item = opal_list_get_next(item)) {
attr = (orte_attr_t*)item;
opal_output(0, "\tAttribute: %s #bytes: %d", attr->name, attr->size);
}
}
}
OBJ_DESTRUCT(&buf);
return ORTE_SUCCESS;
}
int orte_util_encode_pidmap(opal_byte_object_t *boptr)
{
orte_proc_t *proc;
opal_buffer_t buf;
orte_local_rank_t *lrank = NULL;
orte_node_rank_t *nrank = NULL;
orte_job_t *jdata = NULL;
int32_t *nodes = NULL;
int i, j, k, rc = ORTE_SUCCESS;
/* setup the working buffer */
OBJ_CONSTRUCT(&buf, opal_buffer_t);
for (j=1; j < orte_job_data->size; j++) {
/* the job array is no longer left-justified and may
* have holes in it as we recover resources at job
* completion
*/
if (NULL == (jdata = (orte_job_t*)opal_pointer_array_get_item(orte_job_data, j))) {
continue;
}
/* pack the jobid */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, &jdata->jobid, 1, ORTE_JOBID))) {
ORTE_ERROR_LOG(rc);
goto cleanup_and_return;
}
/* pack the number of procs */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, &jdata->num_procs, 1, ORTE_VPID))) {
ORTE_ERROR_LOG(rc);
goto cleanup_and_return;
}
/* allocate memory for the nodes, local ranks and node ranks */
nodes = (int32_t*)malloc(jdata->num_procs * sizeof(int32_t));
lrank = (orte_local_rank_t*)malloc(jdata->num_procs*sizeof(orte_local_rank_t));
nrank = (orte_node_rank_t*)malloc(jdata->num_procs*sizeof(orte_node_rank_t));
/* transfer and pack the node info in one pack */
for (i=0, k=0; i < jdata->procs->size; i++) {
if (NULL == (proc = (orte_proc_t *) opal_pointer_array_get_item(jdata->procs, i))) {
continue;
}
if( k >= (int)jdata->num_procs ) {
orte_show_help("help-orte-runtime.txt", "orte_nidmap:too_many_nodes",
true, jdata->num_procs);
break;
}
nodes[k] = proc->node->index;
lrank[k] = proc->local_rank;
nrank[k] = proc->node_rank;
++k;
}
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, nodes, jdata->num_procs, OPAL_INT32))) {
ORTE_ERROR_LOG(rc);
goto cleanup_and_return;
}
/* transfer and pack the local_ranks in one pack */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, lrank, jdata->num_procs, ORTE_LOCAL_RANK))) {
ORTE_ERROR_LOG(rc);
goto cleanup_and_return;
}
/* transfer and pack the node ranks in one pack */
if (ORTE_SUCCESS != (rc = opal_dss.pack(&buf, nrank, jdata->num_procs, ORTE_NODE_RANK))) {
ORTE_ERROR_LOG(rc);
goto cleanup_and_return;
}
}
/* transfer the payload to the byte object */
opal_dss.unload(&buf, (void**)&boptr->bytes, &boptr->size);
cleanup_and_return:
if( NULL != lrank ) {
free(lrank);
}
if( NULL != nrank ) {
free(nrank);
}
if( NULL != nodes ) {
free(nodes);
}
OBJ_DESTRUCT(&buf);
return rc;
}
int orte_util_decode_pidmap(opal_byte_object_t *bo)
{
orte_jobid_t jobid;
orte_vpid_t i, num_procs;
orte_pmap_t *pmap;
int32_t *nodes;
orte_local_rank_t *local_rank;
orte_node_rank_t *node_rank;
orte_std_cntr_t n;
opal_buffer_t buf;
orte_jmap_t *jmap;
bool already_present;
int j;
int rc;
/* xfer the byte object to a buffer for unpacking */
OBJ_CONSTRUCT(&buf, opal_buffer_t);
if (ORTE_SUCCESS != (rc = opal_dss.load(&buf, bo->bytes, bo->size))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
n = 1;
/* cycle through the buffer */
while (ORTE_SUCCESS == (rc = opal_dss.unpack(&buf, &jobid, &n, ORTE_JOBID))) {
/* unfortunately, job objects cannot be stored
* by index number as the jobid is a constructed
* value. So we have no choice but to cycle through
* the jobmap pointer array and look for this entry. Since
* jobs are cleaned up as they complete, check the
* entire array
*/
jmap = NULL;
already_present = false;
for (j=0; j < orte_jobmap.size; j++) {
if (NULL == (jmap = (orte_jmap_t*)opal_pointer_array_get_item(&orte_jobmap, j))) {
continue;
}
if (jobid == jmap->job) {
already_present = true;
break;
}
}
/* unpack the number of procs */
n=1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, &num_procs, &n, ORTE_VPID))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* allocate memory for the node info */
nodes = (int32_t*)malloc(num_procs * 4);
/* unpack it in one shot */
n=num_procs;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, nodes, &n, OPAL_INT32))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* allocate memory for local ranks */
local_rank = (orte_local_rank_t*)malloc(num_procs*sizeof(orte_local_rank_t));
/* unpack them in one shot */
n=num_procs;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, local_rank, &n, ORTE_LOCAL_RANK))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* allocate memory for node ranks */
node_rank = (orte_node_rank_t*)malloc(num_procs*sizeof(orte_node_rank_t));
/* unpack node ranks in one shot */
n=num_procs;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(&buf, node_rank, &n, ORTE_NODE_RANK))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* if we already know about this job, we need to check the data to see
* if something has changed - e.g., a proc that is being restarted somewhere
* other than where it previously was
*/
if (already_present) {
/* we already have the jmap object, so let's refresh its pidmap
* using the new data - start by cleaning out the old array
*/
for (j=0; j < jmap->pmap.size; j++) {
if (NULL == (pmap = (orte_pmap_t*)opal_pointer_array_get_item(&jmap->pmap, j))) {
continue;
}
OBJ_RELEASE(pmap);
}
/* now use the opal function to reset the internal pointers */
opal_pointer_array_remove_all(&jmap->pmap);
/* set the size of the storage so we minimize realloc's */
if (ORTE_SUCCESS != (rc = opal_pointer_array_set_size(&jmap->pmap, num_procs))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* add in the updated array */
for (i=0; i < num_procs; i++) {
pmap = OBJ_NEW(orte_pmap_t);
/* add the pidmap entry at the specific site corresponding
* to the proc's vpid
*/
if (ORTE_SUCCESS != (rc = opal_pointer_array_set_item(&jmap->pmap, i, pmap))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* add/update the data */
pmap->node = nodes[i];
pmap->local_rank = local_rank[i];
pmap->node_rank = node_rank[i];
}
/* update the #procs */
jmap->num_procs = num_procs;
} else {
/* if we don't already have this data, store it
* unfortunately, job objects cannot be stored
* by index number as the jobid is a constructed
* value. So we have to just add it to the end
* of the array
*/
jmap = OBJ_NEW(orte_jmap_t);
jmap->job = jobid;
jmap->num_procs = num_procs;
if (0 > (j = opal_pointer_array_add(&orte_jobmap, jmap))) {
ORTE_ERROR_LOG(j);
rc = j;
goto cleanup;
}
/* allocate memory for the procs array */
opal_pointer_array_set_size(&jmap->pmap, num_procs);
/* xfer the data */
for (i=0; i < num_procs; i++) {
pmap = OBJ_NEW(orte_pmap_t);
pmap->node = nodes[i];
pmap->local_rank = local_rank[i];
pmap->node_rank = node_rank[i];
/* add the pidmap entry at the specific site corresponding
* to the proc's vpid
*/
if (ORTE_SUCCESS != (rc = opal_pointer_array_set_item(&jmap->pmap, i, pmap))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
}
}
/* release data */
free(nodes);
free(local_rank);
free(node_rank);
/* setup for next cycle */
n = 1;
}
if (ORTE_ERR_UNPACK_READ_PAST_END_OF_BUFFER == rc) {
rc = ORTE_SUCCESS;
}
cleanup:
OBJ_DESTRUCT(&buf);
return rc;
}
/*** NIDMAP UTILITIES ***/
orte_jmap_t* orte_util_lookup_jmap(orte_jobid_t job)
{
int i;
orte_jmap_t *jmap;
/* unfortunately, job objects cannot be stored
* by index number as the jobid is a constructed
* value. So we have no choice but to cycle through
* the jobmap pointer array and look for the entry
* we want. We also cannot trust that the array is
* left-justified as cleanup is done - and array
* entries set to NULL - upon job completion.
*/
for (i=0; i < orte_jobmap.size; i++) {
if (NULL == (jmap = (orte_jmap_t*)opal_pointer_array_get_item(&orte_jobmap, i))) {
continue;
}
OPAL_OUTPUT_VERBOSE((10, orte_debug_output,
"%s lookup:pmap: checking job %s for job %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOBID_PRINT(jmap->job), ORTE_JOBID_PRINT(job)));
if (job == jmap->job) {
return jmap;
}
}
/* if we didn't find it, return NULL */
return NULL;
}
orte_pmap_t* orte_util_lookup_pmap(orte_process_name_t *proc)
{
orte_jmap_t *jmap;
if (NULL == (jmap = orte_util_lookup_jmap(proc->jobid))) {
return NULL;
}
/* the get_item function will check the array index range,
* so we can just access it here
*/
return (orte_pmap_t *) opal_pointer_array_get_item(&jmap->pmap, proc->vpid);
}
/* the daemon's vpid does not necessarily correlate
* to the node's index in the node array since
* some nodes may not have a daemon on them. Thus,
* we have to search for the daemon in the array.
* Fortunately, this is rarely done
*/
static orte_nid_t* find_daemon_node(orte_process_name_t *proc)
{
int32_t i;
orte_nid_t *nid;
for (i=0; i < orte_nidmap.size; i++) {
if (NULL == (nid = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, i))) {
continue;
}
OPAL_OUTPUT_VERBOSE((10, orte_debug_output,
"%s find:daemon:node: checking daemon %s for %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_VPID_PRINT(nid->daemon), ORTE_VPID_PRINT(proc->vpid)));
if (nid->daemon == proc->vpid) {
return nid;
}
}
/* if we didn't find it, return NULL */
return NULL;
}
orte_nid_t* orte_util_lookup_nid(orte_process_name_t *proc)
{
orte_pmap_t *pmap;
OPAL_OUTPUT_VERBOSE((5, orte_debug_output,
"%s lookup:nid: looking for proc %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(proc)));
if (ORTE_JOBID_IS_DAEMON(proc->jobid)) {
/* looking for a daemon */
return find_daemon_node(proc);
}
/* looking for an application proc */
if (NULL == (pmap = orte_util_lookup_pmap(proc))) {
return NULL;
}
/* the get_item function will check the array index range,
* so we can just access it here
*/
return (orte_nid_t *) opal_pointer_array_get_item(&orte_nidmap, pmap->node);
}
void orte_nidmap_dump(void)
{
int i;
orte_nid_t *nid;
opal_list_item_t *item;
orte_attr_t *attr;
opal_output(orte_clean_output, "*** DUMP OF NIDMAP ***");
for (i=0; i < orte_nidmap.size; i++) {
if (NULL == (nid = (orte_nid_t*)opal_pointer_array_get_item(&orte_nidmap, i))) {
continue;
}
opal_output(orte_clean_output, "%s node[%d].name %s daemon %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), i,
(NULL == nid->name) ? "NULL" : nid->name,
ORTE_VPID_PRINT(nid->daemon));
for (item = opal_list_get_first(&nid->attrs);
item != opal_list_get_end(&nid->attrs);
item = opal_list_get_next(item)) {
attr = (orte_attr_t*)item;
opal_output(orte_clean_output, "\tAttribute: %s #bytes: %d", attr->name, attr->size);
}
}
opal_output(orte_clean_output, "\n\n");
}
void orte_jmap_dump(orte_jmap_t *jmap)
{
int i;
orte_pmap_t *pmap;
opal_output(orte_clean_output, "**** DUMP OF JOB %s (%s procs) ***",
ORTE_JOBID_PRINT(jmap->job), ORTE_VPID_PRINT(jmap->num_procs));
for (i=0; i < jmap->pmap.size; i++) {
if (NULL == (pmap = (orte_pmap_t*)opal_pointer_array_get_item(&jmap->pmap, i))) {
continue;
}
opal_output(orte_clean_output, "\tnode %d local_rank %d node_rank %d",
pmap->node, (int)pmap->local_rank, (int)pmap->node_rank);
}
opal_output(orte_clean_output, "\n");
}
void orte_jobmap_dump(void)
{
int i;
orte_jmap_t *jmap;
opal_output(orte_clean_output, "*** DUMP OF JOBMAP ***");
for (i=0; i < orte_jobmap.size; i++) {
if (NULL == (jmap = (orte_jmap_t*)opal_pointer_array_get_item(&orte_jobmap, i))) {
continue;
}
orte_jmap_dump(jmap);
}
opal_output(orte_clean_output, "\n\n");
}
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