ports/openmpi
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openmpi/ompi/mca/dpm/orte/dpm_orte.c
Ralph Castain 023936e84b Silence coverity warnings
2015-07-29 07:28:08 -07:00

1765 строки
66 KiB
C
Исходник Ответственный История

/* -*- 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) 2007-2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2006-2009 University of Houston. All rights reserved.
* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2011-2013 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2013-2015 Intel, Inc. All rights reserved
* Copyright (c) 2014-2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/constants.h"
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <time.h>
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include "opal/util/argv.h"
#include "opal/util/opal_getcwd.h"
#include "opal/dss/dss.h"
#include "opal/mca/dstore/dstore.h"
#include "opal/mca/hwloc/base/base.h"
#include "opal/mca/pmix/pmix.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/grpcomm/base/base.h"
#include "orte/mca/plm/base/base.h"
#include "orte/mca/rml/rml.h"
#include "orte/mca/rml/rml_types.h"
#include "orte/mca/rmaps/rmaps.h"
#include "orte/mca/rmaps/rmaps_types.h"
#include "orte/mca/rmaps/base/base.h"
#include "orte/mca/rml/base/rml_contact.h"
#include "orte/mca/routed/routed.h"
#include "orte/util/name_fns.h"
#include "orte/util/show_help.h"
#include "orte/runtime/orte_globals.h"
#include "orte/runtime/orte_wait.h"
#include "ompi/communicator/communicator.h"
#include "ompi/group/group.h"
#include "ompi/proc/proc.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/mca/rte/rte.h"
#include "ompi/info/info.h"
#include "ompi/mca/dpm/base/base.h"
#include "dpm_orte.h"
/* Local static variables */
static opal_mutex_t ompi_dpm_port_mutex;
static orte_rml_tag_t next_tag;
static opal_list_t orte_dpm_acceptors, orte_dpm_connectors, dynamics;
static uint32_t next_preq=0;
/* API functions */
static int init(void);
static int connect_accept (ompi_communicator_t *comm, int root,
const char *port_string, bool send_first,
ompi_communicator_t **newcomm);
static int disconnect(ompi_communicator_t *comm);
static int spawn(int count, const char *array_of_commands[],
char **array_of_argv[],
const int array_of_maxprocs[],
const MPI_Info array_of_info[],
const char *port_name);
static int dyn_init(void);
static int open_port(char *port_name, orte_rml_tag_t given_tag);
static int parse_port_name(const char *port_name, char **hnp_uri, char **rml_uri,
orte_rml_tag_t *tag);
static int route_to_port(char *rml_uri, orte_process_name_t *rproc);
static int close_port(const char *port_name);
static int finalize(void);
static int dpm_pconnect(char *port,
struct timeval *timeout,
ompi_dpm_base_paccept_connect_callback_fn_t cbfunc,
void *cbdata);
static int dpm_paccept(char *port,
ompi_dpm_base_paccept_connect_callback_fn_t cbfunc,
void *cbdata);
static void dpm_pclose(char *port);
/*
* instantiate the module
*/
ompi_dpm_base_module_t ompi_dpm_orte_module = {
init,
connect_accept,
disconnect,
spawn,
dyn_init,
ompi_dpm_base_dyn_finalize,
ompi_dpm_base_mark_dyncomm,
open_port,
parse_port_name,
route_to_port,
close_port,
finalize,
dpm_pconnect,
dpm_paccept,
dpm_pclose
};
typedef struct {
opal_list_item_t super;
opal_event_t ev;
bool event_active;
uint32_t id;
uint32_t cid;
orte_rml_tag_t tag;
ompi_dpm_base_paccept_connect_callback_fn_t cbfunc;
void *cbdata;
} orte_dpm_prequest_t;
OBJ_CLASS_INSTANCE(orte_dpm_prequest_t,
opal_list_item_t,
NULL, NULL);
static void connect_complete(int status, orte_process_name_t* sender,
opal_buffer_t* buffer, orte_rml_tag_t tag,
void* cbdata);
/*
* Init the module
*/
static int init(void)
{
OBJ_CONSTRUCT(&ompi_dpm_port_mutex, opal_mutex_t);
next_tag = OMPI_RML_TAG_DYNAMIC;
OBJ_CONSTRUCT(&orte_dpm_acceptors, opal_list_t);
OBJ_CONSTRUCT(&orte_dpm_connectors, opal_list_t);
OBJ_CONSTRUCT(&dynamics, opal_list_t);
/* post a receive for pconnect request responses */
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD,
OMPI_RML_PCONNECT_TAG,
ORTE_RML_PERSISTENT,
connect_complete, NULL);
return OMPI_SUCCESS;
}
static int connect_accept(ompi_communicator_t *comm, int root,
const char *port_string, bool send_first,
ompi_communicator_t **newcomm)
{
int size, rsize, rank, rc;
orte_std_cntr_t num_vals;
orte_std_cntr_t rnamebuflen = 0;
int rnamebuflen_int = 0;
void *rnamebuf=NULL;
ompi_communicator_t *newcomp=MPI_COMM_NULL;
ompi_proc_t **rprocs=NULL;
ompi_group_t *group=comm->c_local_group;
orte_process_name_t port;
orte_rml_tag_t tag=ORTE_RML_TAG_INVALID;
opal_buffer_t *nbuf=NULL, *nrbuf=NULL;
ompi_proc_t **proc_list=NULL, **new_proc_list = NULL;
int32_t i,j, new_proc_len;
ompi_group_t *new_group_pointer;
orte_namelist_t *nm;
orte_rml_recv_cb_t xfer;
orte_process_name_t carport;
OPAL_OUTPUT_VERBOSE((1, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept with port %s %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
port_string, send_first ? "sending first" : "recv first"));
/* set default error return */
*newcomm = MPI_COMM_NULL;
size = ompi_comm_size ( comm );
rank = ompi_comm_rank ( comm );
/* extract the process name from the port string, if given, and
* set us up to communicate with it
*/
if (NULL != port_string && 0 < strlen(port_string)) {
char *hnp_uri, *rml_uri;
/* separate the string into the HNP and RML URI and tag */
if (ORTE_SUCCESS != (rc = parse_port_name(port_string, &hnp_uri, &rml_uri, &tag))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* extract the originating proc's name */
if (ORTE_SUCCESS != (rc = orte_rml_base_parse_uris(rml_uri, &port, NULL))) {
ORTE_ERROR_LOG(rc);
free(hnp_uri); free(rml_uri);
return rc;
}
/* make sure we can route rml messages to the destination job */
if (ORTE_SUCCESS != (rc = route_to_port(hnp_uri, &port))) {
ORTE_ERROR_LOG(rc);
free(hnp_uri); free(rml_uri);
return rc;
}
free(hnp_uri); free(rml_uri);
}
if ( rank == root ) {
/* Generate the message buffer containing the number of processes and the list of
participating processes */
nbuf = OBJ_NEW(opal_buffer_t);
if (NULL == nbuf) {
return OMPI_ERROR;
}
if (OPAL_SUCCESS != (rc = opal_dss.pack(nbuf, &size, 1, OPAL_INT))) {
ORTE_ERROR_LOG(rc);
goto exit;
}
if (OMPI_GROUP_IS_DENSE(group)) {
ompi_proc_pack(group->grp_proc_pointers, size, false, nbuf);
} else {
proc_list = (ompi_proc_t **) calloc (group->grp_proc_count,
sizeof (ompi_proc_t *));
for (i=0 ; i<group->grp_proc_count ; i++) {
if (NULL == (proc_list[i] = ompi_group_peer_lookup(group,i))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
rc = ORTE_ERR_NOT_FOUND;
goto exit;
}
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept adding %s to proc list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
OMPI_NAME_PRINT(&proc_list[i]->super.proc_name)));
}
ompi_proc_pack(proc_list, size, false, nbuf);
}
/* pack wireup info - this is required so that all involved parties can
* discover how to talk to each other. For example, consider the case
* where we connect_accept to one independent job (B), and then connect_accept
* to another one (C) to wire all three of us together. Job B will not know
* how to talk to job C at the OOB level because the two of them didn't
* directly connect_accept to each other. Hence, we include the required
* wireup info at this first exchange
*/
if (ORTE_SUCCESS != (rc = orte_routed.get_wireup_info(nbuf))) {
ORTE_ERROR_LOG(rc);
goto exit;
}
OBJ_CONSTRUCT(&xfer, orte_rml_recv_cb_t);
/* Exchange the number and the list of processes in the groups */
if ( send_first ) {
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept sending first to %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&port)));
rc = orte_rml.send_buffer_nb(&port, nbuf, tag, orte_rml_send_callback, NULL);
/* setup to recv */
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept waiting for response",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
xfer.active = true;
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, tag,
ORTE_RML_NON_PERSISTENT,
orte_rml_recv_callback, &xfer);
/* wait for response */
OMPI_WAIT_FOR_COMPLETION(xfer.active);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept got data from %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&xfer.name)));
} else {
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept recving first",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* setup to recv */
xfer.active = true;
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, tag,
ORTE_RML_NON_PERSISTENT,
orte_rml_recv_callback, &xfer);
/* wait for response */
OMPI_WAIT_FOR_COMPLETION(xfer.active);
/* now send our info */
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept sending info to %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&xfer.name)));
rc = orte_rml.send_buffer_nb(&xfer.name, nbuf, tag, orte_rml_send_callback, NULL);
}
if (OPAL_SUCCESS != (rc = opal_dss.unload(&xfer.data, &rnamebuf, &rnamebuflen))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&xfer.data);
goto exit;
}
carport.jobid = xfer.name.jobid;
carport.vpid = xfer.name.vpid;
OBJ_DESTRUCT(&xfer);
}
/* First convert the size_t to an int so we can cast in the bcast to a void *
* if we don't then we will get badness when using big vs little endian
* THIS IS NO LONGER REQUIRED AS THE LENGTH IS NOW A STD_CNTR_T, WHICH
* CORRELATES TO AN INT32
*/
rnamebuflen_int = (int)rnamebuflen;
/* bcast the buffer-length to all processes in the local comm */
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept bcast buffer length",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
rc = comm->c_coll.coll_bcast (&rnamebuflen_int, 1, MPI_INT, root, comm,
comm->c_coll.coll_bcast_module);
if ( OMPI_SUCCESS != rc ) {
goto exit;
}
rnamebuflen = rnamebuflen_int;
if ( rank != root ) {
/* non root processes need to allocate the buffer manually */
rnamebuf = (char *) malloc(rnamebuflen);
if ( NULL == rnamebuf ) {
rc = OMPI_ERR_OUT_OF_RESOURCE;
goto exit;
}
}
/* bcast list of processes to all procs in local group
and reconstruct the data. Note that proc_get_proclist
adds processes, which were not known yet to our
process pool.
*/
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept bcast proc list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
rc = comm->c_coll.coll_bcast (rnamebuf, rnamebuflen_int, MPI_BYTE, root, comm,
comm->c_coll.coll_bcast_module);
if ( OMPI_SUCCESS != rc ) {
goto exit;
}
nrbuf = OBJ_NEW(opal_buffer_t);
if (NULL == nrbuf) {
goto exit;
}
if ( OPAL_SUCCESS != ( rc = opal_dss.load(nrbuf, rnamebuf, rnamebuflen))) {
ORTE_ERROR_LOG(rc);
goto exit;
}
num_vals = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(nrbuf, &rsize, &num_vals, OPAL_INT))) {
ORTE_ERROR_LOG(rc);
goto exit;
}
rc = ompi_proc_unpack(nrbuf, rsize, &rprocs, false, &new_proc_len, &new_proc_list);
if ( OMPI_SUCCESS != rc ) {
goto exit;
}
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept unpacked %d new procs",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), new_proc_len));
/* If we added new procs, we need to do the modex and then call
PML add_procs */
if (new_proc_len > 0) {
opal_list_t all_procs;
orte_namelist_t *name;
opal_process_name_t *ids;
opal_list_t myvals;
opal_value_t *kv;
/* we first need to give the wireup info to our routed module.
* Not every routed module will need it, but some do require
* this info before we can do any comm
*/
if (ORTE_SUCCESS != (rc = orte_routed.init_routes(OMPI_CAST_RTE_NAME(&rprocs[0]->super.proc_name)->jobid, nrbuf))) {
ORTE_ERROR_LOG(rc);
goto exit;
}
OBJ_CONSTRUCT(&all_procs, opal_list_t);
if (send_first) {
for (i = 0 ; i < rsize ; ++i) {
name = OBJ_NEW(orte_namelist_t);
name->name = *OMPI_CAST_RTE_NAME(&rprocs[i]->super.proc_name);
opal_list_append(&all_procs, &name->super);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept send first adding %s to allgather list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&name->name)));
}
for (i = 0 ; i < group->grp_proc_count ; ++i) {
name = OBJ_NEW(orte_namelist_t);
name->name = *OMPI_CAST_RTE_NAME(&(ompi_group_peer_lookup(group, i)->super.proc_name));
opal_list_append(&all_procs, &name->super);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept send first adding %s to allgather list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&name->name)));
}
} else {
for (i = 0 ; i < group->grp_proc_count ; ++i) {
name = OBJ_NEW(orte_namelist_t);
name->name = *OMPI_CAST_RTE_NAME(&(ompi_group_peer_lookup(group, i)->super.proc_name));
opal_list_append(&all_procs, &name->super);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept recv first adding %s to allgather list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&name->name)));
}
for (i = 0 ; i < rsize ; ++i) {
name = OBJ_NEW(orte_namelist_t);
name->name = *OMPI_CAST_RTE_NAME(&rprocs[i]->super.proc_name);
opal_list_append(&all_procs, &name->super);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept recv first adding %s to allgather list",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&name->name)));
}
}
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept executing modex",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* setup the modex */
ids = (opal_process_name_t*)malloc(opal_list_get_size(&all_procs) * sizeof(opal_process_name_t));
/* copy across the list of participants */
i=0;
OPAL_LIST_FOREACH(nm, &all_procs, orte_namelist_t) {
ids[i++] = nm->name;
}
OPAL_LIST_DESTRUCT(&all_procs);
/* perform it */
opal_pmix.fence(ids, i);
free(ids);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept adding procs",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* set the locality of the new procs - the required info should
* have been included in the data exchange */
for (j=0; j < new_proc_len; j++) {
OBJ_CONSTRUCT(&myvals, opal_list_t);
if (OMPI_SUCCESS != (rc = opal_dstore.fetch(opal_dstore_internal,
&new_proc_list[j]->super.proc_name,
OPAL_DSTORE_LOCALITY, &myvals))) {
new_proc_list[j]->super.proc_flags = OPAL_PROC_NON_LOCAL;
} else {
kv = (opal_value_t*)opal_list_get_first(&myvals);
new_proc_list[j]->super.proc_flags = kv->data.uint16;
}
OPAL_LIST_DESTRUCT(&myvals);
}
if (OMPI_SUCCESS != (rc = MCA_PML_CALL(add_procs(new_proc_list, new_proc_len)))) {
ORTE_ERROR_LOG(rc);
goto exit;
}
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept new procs added",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
}
OBJ_RELEASE(nrbuf);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept allocating group size %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), rsize));
new_group_pointer=ompi_group_allocate(rsize);
if( NULL == new_group_pointer ) {
rc = OMPI_ERR_OUT_OF_RESOURCE;
goto exit;
}
/* put group elements in the list */
for (j = 0; j < rsize; j++) {
new_group_pointer->grp_proc_pointers[j] = rprocs[j];
} /* end proc loop */
/* increment proc reference counters */
ompi_group_increment_proc_count(new_group_pointer);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept setting up communicator",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* set up communicator structure */
rc = ompi_comm_set ( &newcomp, /* new comm */
comm, /* old comm */
group->grp_proc_count, /* local_size */
NULL, /* local_procs */
rsize, /* remote_size */
NULL , /* remote_procs */
NULL, /* attrs */
comm->error_handler, /* error handler */
NULL, /* topo component */
group, /* local group */
new_group_pointer /* remote group */
);
if ( NULL == newcomp ) {
rc = OMPI_ERR_OUT_OF_RESOURCE;
goto exit;
}
ompi_group_decrement_proc_count (new_group_pointer);
OBJ_RELEASE(new_group_pointer);
new_group_pointer = MPI_GROUP_NULL;
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept allocate comm_cid",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* allocate comm_cid */
rc = ompi_comm_nextcid ( newcomp, /* new communicator */
comm, /* old communicator */
NULL, /* bridge comm */
&root, /* local leader */
&carport, /* remote leader */
OMPI_COMM_CID_INTRA_OOB, /* mode */
send_first ); /* send or recv first */
if ( OMPI_SUCCESS != rc ) {
goto exit;
}
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept activate comm",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* activate comm and init coll-component */
rc = ompi_comm_activate ( &newcomp, /* new communicator */
comm, /* old communicator */
NULL, /* bridge comm */
&root, /* local leader */
&carport, /* remote leader */
OMPI_COMM_CID_INTRA_OOB, /* mode */
send_first ); /* send or recv first */
if ( OMPI_SUCCESS != rc ) {
goto exit;
}
/* Question: do we have to re-start some low level stuff
to enable the usage of fast communication devices
between the two worlds ?
*/
exit:
if ( NULL != rprocs ) {
free ( rprocs );
}
if ( NULL != proc_list ) {
free ( proc_list );
}
if ( NULL != new_proc_list ) {
free ( new_proc_list );
}
if ( OMPI_SUCCESS != rc ) {
if ( MPI_COMM_NULL != newcomp && NULL != newcomp ) {
OBJ_RETAIN(newcomp);
newcomp = MPI_COMM_NULL;
}
}
*newcomm = newcomp;
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:connect_accept complete",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
return rc;
}
static int construct_peers(ompi_group_t *group, opal_list_t *peers)
{
int i;
orte_namelist_t *nm, *n2;
ompi_proc_t *proct;
if (OMPI_GROUP_IS_DENSE(group)) {
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:disconnect group is dense",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
for (i=0; i < group->grp_proc_count; i++) {
if (NULL == (proct = group->grp_proc_pointers[i])) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return ORTE_ERR_NOT_FOUND;
}
/* add to the list of peers */
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:disconnect adding participant %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT((const orte_process_name_t *)&proct->super.proc_name)));
nm = OBJ_NEW(orte_namelist_t);
nm->name = *(orte_process_name_t*)&proct->super.proc_name;
/* need to maintain an ordered list to ensure the tracker signatures
* match across all procs */
OPAL_LIST_FOREACH(n2, peers, orte_namelist_t) {
if (opal_compare_proc(nm->name, n2->name) < 0) {
opal_list_insert_pos(peers, &n2->super, &nm->super);
nm = NULL;
break;
}
}
if (NULL != nm) {
/* append to the end */
opal_list_append(peers, &nm->super);
}
}
} else {
for (i=0; i < group->grp_proc_count; i++) {
/* lookup this proc_t to get the process name */
if (NULL == (proct = ompi_group_peer_lookup(group, i))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return ORTE_ERR_NOT_FOUND;
}
/* add to the list of peers */
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:disconnect adding participant %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT((const orte_process_name_t *)&proct->super.proc_name)));
nm = OBJ_NEW(orte_namelist_t);
nm->name = *(orte_process_name_t*)&proct->super.proc_name;
/* need to maintain an ordered list to ensure the tracker signatures
* match across all procs */
OPAL_LIST_FOREACH(n2, peers, orte_namelist_t) {
if (opal_compare_proc(nm->name, n2->name) < 0) {
opal_list_insert_pos(peers, &n2->super, &nm->super);
nm = NULL;
break;
}
}
if (NULL != nm) {
/* append to the end */
opal_list_append(peers, &nm->super);
}
}
}
return ORTE_SUCCESS;
}
static int disconnect(ompi_communicator_t *comm)
{
int ret, i;
ompi_group_t *group;
opal_list_t coll;
orte_namelist_t *nm;
opal_process_name_t *ids;
/* Note that we explicitly use an RTE-based barrier (vs. an MPI
barrier). See a lengthy comment in
ompi/runtime/ompi_mpi_finalize.c for a much more detailed
rationale. */
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:disconnect comm_cid %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), comm->c_contextid));
/* setup the collective */
OBJ_CONSTRUCT(&coll, opal_list_t);
/* RHC: assuming for now that this must flow across all
* local and remote group members */
group = comm->c_local_group;
if (ORTE_SUCCESS != (ret = construct_peers(group, &coll))) {
ORTE_ERROR_LOG(ret);
OPAL_LIST_DESTRUCT(&coll);
return ret;
}
/* do the same for the remote group */
group = comm->c_remote_group;
if (ORTE_SUCCESS != (ret = construct_peers(group, &coll))) {
ORTE_ERROR_LOG(ret);
OPAL_LIST_DESTRUCT(&coll);
return ret;
}
/* setup the ids */
ids = (opal_process_name_t*)malloc(opal_list_get_size(&coll) * sizeof(opal_process_name_t));
i=0;
OPAL_LIST_FOREACH(nm, &coll, orte_namelist_t) {
ids[i++] = nm->name;
}
OPAL_LIST_DESTRUCT(&coll);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:disconnect calling barrier on comm_cid %d with %d participants",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), comm->c_contextid, i));
opal_pmix.fence(ids, i);
free(ids);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:disconnect barrier complete for comm_cid %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), comm->c_contextid));
return OMPI_SUCCESS;
}
static int spawn(int count, const char *array_of_commands[],
char **array_of_argv[],
const int array_of_maxprocs[],
const MPI_Info array_of_info[],
const char *port_name)
{
int rc, i, j, counter;
int have_wdir=0;
int flag=0;
char cwd[OPAL_PATH_MAX];
char host[OPAL_MAX_INFO_VAL]; /*** should define OMPI_HOST_MAX ***/
char prefix[OPAL_MAX_INFO_VAL];
char stdin_target[OPAL_MAX_INFO_VAL];
char params[OPAL_MAX_INFO_VAL];
char mapper[OPAL_MAX_INFO_VAL];
int npernode;
char slot_list[OPAL_MAX_INFO_VAL];
orte_job_t *jdata;
orte_app_context_t *app;
bool local_spawn, non_mpi;
char **envars;
/* parse the info object */
/* check potentially for:
- "host": desired host where to spawn the processes
- "hostfile": hostfile containing hosts where procs are
to be spawned
- "add-host": add the specified hosts to the known list
of available resources and spawn these
procs on them
- "add-hostfile": add the hosts in the hostfile to the
known list of available resources and spawn
these procs on them
- "env": a newline-delimited list of envar values to be
placed into the app's environment (of form "foo=bar")
- "ompi_prefix": the path to the root of the directory tree where ompi
executables and libraries can be found on all nodes
used to spawn these procs
- "arch": desired architecture
- "wdir": directory, where executable can be found
- "path": list of directories where to look for the executable
- "file": filename, where additional information is provided.
- "soft": see page 92 of MPI-2.
- "mapper": indicate the mapper to be used for the job
- "display_map": display the map of the spawned job
- "npernode": number of procs/node to spawn
- "pernode": spawn one proc/node
- "ppr": spawn specified number of procs per specified object
- "map_by": specify object by which the procs should be mapped
- "rank_by": specify object by which the procs should be ranked
- "bind_to": specify object to which the procs should be bound
- "ompi_preload_binary": move binaries to nodes prior to execution
- "ompi_preload_files": move specified files to nodes prior to execution
- "ompi_non_mpi": spawned job will not call MPI_Init
- "ompi_param": list of MCA params to be in the spawned job's environment
- "env": newline (\n) delimited list of envar values to be passed to spawned procs
*/
/* setup the job object */
jdata = OBJ_NEW(orte_job_t);
/* Convert the list of commands to an array of orte_app_context_t
pointers */
for (i = 0; i < count; ++i) {
app = OBJ_NEW(orte_app_context_t);
if (NULL == app) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
OBJ_RELEASE(jdata);
opal_progress_event_users_decrement();
return ORTE_ERR_OUT_OF_RESOURCE;
}
/* add the app to the job data */
opal_pointer_array_add(jdata->apps, app);
app->idx = i;
jdata->num_apps++;
/* copy over the name of the executable */
app->app = strdup(array_of_commands[i]);
if (NULL == app->app) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
OBJ_RELEASE(jdata);
opal_progress_event_users_decrement();
return ORTE_ERR_OUT_OF_RESOURCE;
}
/* record the number of procs to be generated */
app->num_procs = array_of_maxprocs[i];
/* copy over the argv array */
counter = 1;
if (MPI_ARGVS_NULL != array_of_argv &&
MPI_ARGV_NULL != array_of_argv[i]) {
/* first need to find out how many entries there are */
j=0;
while (NULL != array_of_argv[i][j]) {
j++;
}
counter += j;
}
/* now copy them over, ensuring to NULL terminate the array */
app->argv = (char**)malloc((1 + counter) * sizeof(char*));
if (NULL == app->argv) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
OBJ_RELEASE(jdata);
opal_progress_event_users_decrement();
return ORTE_ERR_OUT_OF_RESOURCE;
}
app->argv[0] = strdup(array_of_commands[i]);
for (j=1; j < counter; j++) {
app->argv[j] = strdup(array_of_argv[i][j-1]);
}
app->argv[counter] = NULL;
/* the environment gets set by the launcher
* all we need to do is add the specific values
* needed for comm_spawn
*/
/* Add environment variable with the contact information for the
child processes.
*/
app->env = (char**)malloc(2 * sizeof(char*));
if (NULL == app->env) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
OBJ_RELEASE(jdata);
opal_progress_event_users_decrement();
return ORTE_ERR_OUT_OF_RESOURCE;
}
asprintf(&(app->env[0]), "OMPI_PARENT_PORT=%s", port_name);
app->env[1] = NULL;
for (j = 0; NULL != environ[j]; ++j) {
if (0 == strncmp("OMPI_", environ[j], 5)) {
opal_argv_append_nosize(&app->env, environ[j]);
}
}
/* Check for well-known info keys */
have_wdir = 0;
if ( array_of_info != NULL && array_of_info[i] != MPI_INFO_NULL ) {
/* check for personality */
ompi_info_get (array_of_info[i], "personality", sizeof(host) - 1, host, &flag);
if ( flag ) {
jdata->personality = strdup(host);
}
/* check for 'host' */
ompi_info_get (array_of_info[i], "host", sizeof(host) - 1, host, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_DASH_HOST, false, host, OPAL_STRING);
}
/* check for 'hostfile' */
ompi_info_get (array_of_info[i], "hostfile", sizeof(host) - 1, host, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_HOSTFILE, false, host, OPAL_STRING);
}
/* check for 'add-hostfile' */
ompi_info_get (array_of_info[i], "add-hostfile", sizeof(host) - 1, host, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_ADD_HOSTFILE, false, host, OPAL_STRING);
}
/* check for 'add-host' */
ompi_info_get (array_of_info[i], "add-host", sizeof(host) - 1, host, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_ADD_HOST, false, host, OPAL_STRING);
}
/* check for env */
ompi_info_get (array_of_info[i], "env", sizeof(host)-1, host, &flag);
if ( flag ) {
envars = opal_argv_split(host, '\n');
for (j=0; NULL != envars[j]; j++) {
opal_argv_append_nosize(&app->env, envars[j]);
}
opal_argv_free(envars);
}
/* 'path', 'arch', 'file', 'soft' -- to be implemented */
/* check for 'ompi_prefix' (OMPI-specific -- to effect the same
* behavior as --prefix option to orterun)
*/
ompi_info_get (array_of_info[i], "ompi_prefix", sizeof(prefix) - 1, prefix, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_PREFIX_DIR, false, prefix, OPAL_STRING);
}
/* check for 'wdir' */
ompi_info_get (array_of_info[i], "wdir", sizeof(cwd) - 1, cwd, &flag);
if ( flag ) {
app->cwd = strdup(cwd);
have_wdir = 1;
}
/* check for 'mapper' */
ompi_info_get(array_of_info[i], "mapper", sizeof(mapper) - 1, mapper, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
jdata->map->req_mapper = strdup(mapper);
}
/* check for 'display_map' */
ompi_info_get_bool(array_of_info[i], "display_map", &local_spawn, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
jdata->map->display_map = true;
}
/* check for 'npernode' and 'ppr' */
ompi_info_get (array_of_info[i], "npernode", sizeof(slot_list) - 1, slot_list, &flag);
if ( flag ) {
if (ORTE_SUCCESS != ompi_info_value_to_int(slot_list, &npernode)) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
return ORTE_ERR_BAD_PARAM;
}
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
if (ORTE_MAPPING_POLICY_IS_SET(jdata->map->mapping)) {
/* not allowed to provide multiple mapping policies */
return OMPI_ERROR;
}
ORTE_SET_MAPPING_DIRECTIVE(jdata->map->mapping, ORTE_MAPPING_PPR);
asprintf(&(jdata->map->ppr), "%d:n", npernode);
}
ompi_info_get (array_of_info[i], "pernode", sizeof(slot_list) - 1, slot_list, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
if (ORTE_MAPPING_POLICY_IS_SET(jdata->map->mapping)) {
/* not allowed to provide multiple mapping policies */
return OMPI_ERROR;
}
ORTE_SET_MAPPING_DIRECTIVE(jdata->map->mapping, ORTE_MAPPING_PPR);
jdata->map->ppr = strdup("1:n");
}
ompi_info_get (array_of_info[i], "ppr", sizeof(slot_list) - 1, slot_list, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
if (ORTE_MAPPING_POLICY_IS_SET(jdata->map->mapping)) {
/* not allowed to provide multiple mapping policies */
return OMPI_ERROR;
}
ORTE_SET_MAPPING_DIRECTIVE(jdata->map->mapping, ORTE_MAPPING_PPR);
jdata->map->ppr = strdup(slot_list);
}
/* check for 'map_by' */
ompi_info_get(array_of_info[i], "map_by", sizeof(slot_list) - 1, slot_list, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
if (ORTE_MAPPING_POLICY_IS_SET(jdata->map->mapping)) {
/* not allowed to provide multiple mapping policies */
return OMPI_ERROR;
}
if (ORTE_SUCCESS != (rc = orte_rmaps_base_set_mapping_policy(&jdata->map->mapping,
NULL, slot_list))) {
return rc;
}
}
/* check for 'rank_by' */
ompi_info_get(array_of_info[i], "rank_by", sizeof(slot_list) - 1, slot_list, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
if (ORTE_RANKING_POLICY_IS_SET(jdata->map->ranking)) {
/* not allowed to provide multiple ranking policies */
return OMPI_ERROR;
}
if (ORTE_SUCCESS != (rc = orte_rmaps_base_set_ranking_policy(&jdata->map->ranking,
jdata->map->mapping, slot_list))) {
return rc;
}
}
#if OPAL_HAVE_HWLOC
/* check for 'bind_to' */
ompi_info_get(array_of_info[i], "bind_to", sizeof(slot_list) - 1, slot_list, &flag);
if ( flag ) {
if (NULL == jdata->map) {
jdata->map = OBJ_NEW(orte_job_map_t);
if (NULL == jdata->map) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
}
if (OPAL_BINDING_POLICY_IS_SET(jdata->map->binding)) {
/* not allowed to provide multiple binding policies */
return OMPI_ERROR;
}
if (ORTE_SUCCESS != (rc = opal_hwloc_base_set_binding_policy(&jdata->map->binding, slot_list))) {
return rc;
}
}
#endif
/* check for 'preload_binary' */
ompi_info_get_bool(array_of_info[i], "ompi_preload_binary", &local_spawn, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_PRELOAD_BIN, false, NULL, OPAL_BOOL);
}
/* check for 'preload_files' */
ompi_info_get (array_of_info[i], "ompi_preload_files", sizeof(cwd) - 1, cwd, &flag);
if ( flag ) {
orte_set_attribute(&app->attributes, ORTE_APP_PRELOAD_FILES, false, cwd, OPAL_STRING);
}
/* see if this is a non-mpi job - if so, then set the flag so ORTE
* knows what to do
*/
ompi_info_get_bool(array_of_info[i], "ompi_non_mpi", &non_mpi, &flag);
if (flag && non_mpi) {
orte_set_attribute(&jdata->attributes, ORTE_JOB_NON_ORTE_JOB, false, NULL, OPAL_BOOL);
}
/* see if this is an MCA param that the user wants applied to the child job */
ompi_info_get (array_of_info[i], "ompi_param", sizeof(params) - 1, params, &flag);
if ( flag ) {
opal_argv_append_unique_nosize(&app->env, params, true);
}
/* see if user specified what to do with stdin - defaults to
* not forwarding stdin to child processes
*/
ompi_info_get (array_of_info[i], "ompi_stdin_target", sizeof(stdin_target) - 1, stdin_target, &flag);
if ( flag ) {
if (0 == strcmp(stdin_target, "all")) {
jdata->stdin_target = ORTE_VPID_WILDCARD;
} else if (0 == strcmp(stdin_target, "none")) {
jdata->stdin_target = ORTE_VPID_INVALID;
} else {
jdata->stdin_target = strtoul(stdin_target, NULL, 10);
}
}
}
/* default value: If the user did not tell us where to look for the
* executable, we assume the current working directory
*/
if ( !have_wdir ) {
if (OMPI_SUCCESS != (rc = opal_getcwd(cwd, OPAL_PATH_MAX))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(jdata);
opal_progress_event_users_decrement();
return rc;
}
app->cwd = strdup(cwd);
}
/* leave the map info alone - the launcher will
* decide where to put things
*/
} /* for (i = 0 ; i < count ; ++i) */
/* default the personality */
if (NULL == jdata->personality) {
jdata->personality = strdup("ompi");
}
/* spawn procs */
rc = orte_plm.spawn(jdata);
OBJ_RELEASE(jdata);
if (ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
opal_progress_event_users_decrement();
return MPI_ERR_SPAWN;
}
return OMPI_SUCCESS;
}
/*
* The port_name is constructed to support the ability
* to route messages between different jobs. Messages
* between job families are routed via their respective HNPs
* to reduce connection count and to support connect/accept.
* Thus, the port_name consists of three fields:
* (a) the contact info of the process opening the port. This
* is provided in case the routed module wants to communicate
* directly between the procs.
* (b) the tag of the port. The reason for adding the tag is
* to make the port unique for multi-threaded scenarios.
* (c) the contact info for the job's HNP. This will be
* used to route messages between job families
*
* Construction of the port name is done here - as opposed to
* in the routed module itself - because two mpiruns using different
* routed modules could exchange the port name (via pubsub). The
* format of the port name must, therefore, be universal.
*
* Optionally can provide a tag to be used - otherwise, we supply the
* next dynamically assigned tag
*/
static int open_port(char *port_name, orte_rml_tag_t given_tag)
{
char *rml_uri=NULL;
int rc, len;
char tag[12];
/* if we are a singleton and the supporting HNP hasn't
* been spawned, then do so now
*/
if ((orte_process_info.proc_type & ORTE_PROC_SINGLETON) &&
!orte_routing_is_enabled) {
if (ORTE_SUCCESS != (rc = orte_plm_base_fork_hnp())) {
ORTE_ERROR_LOG(rc);
return OMPI_ERROR;
}
orte_routing_is_enabled = true;
/* need to init_routes again to redirect messages
* thru the HNP
*/
orte_routed.init_routes(ORTE_PROC_MY_NAME->jobid, NULL);
}
if (NULL == orte_process_info.my_hnp_uri) {
rc = OMPI_ERR_NOT_AVAILABLE;
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (NULL == (rml_uri = orte_rml.get_contact_info())) {
rc = OMPI_ERROR;
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (ORTE_RML_TAG_INVALID == given_tag) {
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
snprintf(tag, 12, "%d", next_tag);
next_tag++;
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
} else {
snprintf(tag, 12, "%d", given_tag);
}
len = strlen(orte_process_info.my_hnp_uri) + strlen(rml_uri) + strlen(tag);
/* if the overall port name is too long, we abort */
if (len > (MPI_MAX_PORT_NAME-1)) {
rc = OMPI_ERR_VALUE_OUT_OF_BOUNDS;
goto cleanup;
}
/* assemble the port name */
snprintf(port_name, MPI_MAX_PORT_NAME, "%s+%s:%s", orte_process_info.my_hnp_uri, rml_uri, tag);
rc = OMPI_SUCCESS;
cleanup:
if (NULL != rml_uri) {
free(rml_uri);
}
return rc;
}
static int route_to_port(char *rml_uri, orte_process_name_t *rproc)
{
opal_buffer_t route;
int rc;
/* We need to ask the routed module to init_routes so it can do the
* right thing. In most cases, it will route any messages to the
* proc through our HNP - however, this is NOT the case in all
* circumstances, so we need to let the routed module decide what
* to do.
*/
/* pack a cmd so the buffer can be unpacked correctly */
OBJ_CONSTRUCT(&route, opal_buffer_t);
/* pack the provided uri */
opal_dss.pack(&route, &rml_uri, 1, OPAL_STRING);
/* init the route */
if (ORTE_SUCCESS != (rc = orte_routed.init_routes(rproc->jobid, &route))) {
ORTE_ERROR_LOG(rc);
}
OBJ_DESTRUCT(&route);
/* nothing more to do here */
return rc;
}
static int parse_port_name(const char *port_name,
char **hnp_uri,
char **rml_uri,
orte_rml_tag_t *ptag)
{
char *tmpstring=NULL, *ptr;
int tag;
int rc;
/* don't mangle the port name */
tmpstring = strdup(port_name);
if (NULL == tmpstring) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
/* find the ':' demarking the RML tag we added to the end */
if (NULL == (ptr = strrchr(tmpstring, ':'))) {
rc = OMPI_ERR_NOT_FOUND;
goto cleanup;
}
/* terminate the port_name at that location */
*ptr = '\0';
ptr++;
/* convert the RML tag */
(void)sscanf(ptr,"%d", &tag);
/* now split out the second field - the uri of the remote proc */
if (NULL == (ptr = strchr(tmpstring, '+'))) {
rc = OMPI_ERR_NOT_FOUND;
goto cleanup;
}
*ptr = '\0';
ptr++;
/* save that info */
if(NULL != hnp_uri) *hnp_uri = tmpstring;
else free(tmpstring);
if(NULL != rml_uri) *rml_uri = strdup(ptr);
if(NULL != ptag) *ptag = tag;
return OMPI_SUCCESS;
cleanup:
/* release the tmp storage */
free(tmpstring);
return rc;
}
static int close_port(const char *port_name)
{
/* nothing to do here - user is responsible for the memory */
return OMPI_SUCCESS;
}
static int dyn_init(void)
{
char *port_name=NULL;
int root=0, rc;
bool send_first = true;
ompi_communicator_t *newcomm=NULL;
/* if env-variable is set, we are a dynamically spawned
* child - parse port and call comm_connect_accept */
if (NULL == (port_name = ompi_dpm_base_dyn_init())) {
/* nothing to do */
return OMPI_SUCCESS;
}
OPAL_OUTPUT_VERBOSE((1, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:dyn_init with port %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
port_name));
rc = connect_accept (MPI_COMM_WORLD, root, port_name, send_first, &newcomm);
free(port_name);
if (OMPI_SUCCESS != rc) {
return rc;
}
/* originally, we set comm_parent to comm_null (in comm_init),
* now we have to decrease the reference counters to the according
* objects
*/
OBJ_RELEASE(ompi_mpi_comm_parent->c_local_group);
OBJ_RELEASE(ompi_mpi_comm_parent->error_handler);
OBJ_RELEASE(ompi_mpi_comm_parent);
/* Set the parent communicator */
ompi_mpi_comm_parent = newcomm;
/* Set name for debugging purposes */
snprintf(newcomm->c_name, MPI_MAX_OBJECT_NAME, "MPI_COMM_PARENT");
newcomm->c_flags |= OMPI_COMM_NAMEISSET;
return OMPI_SUCCESS;
}
/*
* finalize the module
*/
static int finalize(void)
{
OBJ_DESTRUCT(&ompi_dpm_port_mutex);
OPAL_LIST_DESTRUCT(&orte_dpm_acceptors);
OPAL_LIST_DESTRUCT(&orte_dpm_connectors);
return OMPI_SUCCESS;
}
static void timeout_cb(int fd, short args, void *cbdata)
{
orte_dpm_prequest_t *req = (orte_dpm_prequest_t*)cbdata;
/* remove the request from the list */
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
opal_list_remove_item(&orte_dpm_connectors, &req->super);
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
/* this connection request failed - notify the caller */
req->cbfunc(MPI_COMM_NULL, NULL, req->cbdata);
/* cleanup */
OBJ_RELEASE(req);
}
static void process_request(orte_process_name_t* sender,
opal_buffer_t *buffer,
bool connector,
ompi_communicator_t **newcomm,
ompi_proc_t **proct)
{
ompi_communicator_t *newcomp=MPI_COMM_NULL;
ompi_group_t *group=MPI_COMM_SELF->c_local_group;
ompi_group_t *new_group_pointer;
ompi_proc_t **rprocs=NULL;
ompi_proc_t **new_proc_list=NULL;
int new_proc_len;
opal_buffer_t *xfer;
int cnt, rc;
uint32_t id;
OPAL_OUTPUT_VERBOSE((2, ompi_dpm_base_framework.framework_output,
"%s dpm:pconprocess: PROCESS REQUEST: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
connector ? "connector" : "acceptor"));
/* if we are the acceptor, unpack the remote peer's request id */
if (!connector) {
cnt=1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &id, &cnt, OPAL_UINT32))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
OPAL_OUTPUT_VERBOSE((2, ompi_dpm_base_framework.framework_output,
"%s dpm:pconprocess: PROCESS REQUEST ID: %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), id));
}
/* unpack the proc info */
if (OMPI_SUCCESS != (rc = ompi_proc_unpack(buffer, 1, &rprocs, false, &new_proc_len, &new_proc_list))) {
ORTE_ERROR_LOG(rc);
return;
}
/* If we added new procs, we need to unpack the modex info
* and then call PML add_procs
*/
if (0 < new_proc_len) {
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:pconprocess: process modex",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:pconprocess: adding procs",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
if (OMPI_SUCCESS != (rc = MCA_PML_CALL(add_procs(new_proc_list, new_proc_len)))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:orte:pconnect new procs added",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
}
/* if we are the acceptor, we now have to send the requestor our
* info so we can collaborate on setup of the communicator - we
* must wait until this point so the route can be initiated, if
* required
*/
if (!connector) {
xfer = OBJ_NEW(opal_buffer_t);
/* pack the request id */
if (ORTE_SUCCESS != (rc = opal_dss.pack(xfer, &id, 1, OPAL_UINT32))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(xfer);
goto cleanup;
}
/* pack the remaining info */
if (ORTE_SUCCESS != ompi_proc_pack(group->grp_proc_pointers, 1, true, xfer)) {
OBJ_RELEASE(xfer);
goto cleanup;
}
/* send to requestor */
if (ORTE_SUCCESS != (rc = orte_rml.send_buffer_nb(sender, xfer, OMPI_RML_PCONNECT_TAG,
orte_rml_send_callback, NULL))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(xfer);
goto cleanup;
}
}
/* allocate a new group */
new_group_pointer=ompi_group_allocate(1);
if( NULL == new_group_pointer ) {
rc = OMPI_ERR_OUT_OF_RESOURCE;
goto cleanup;
}
/* put group element in the list */
new_group_pointer->grp_proc_pointers[0] = rprocs[0];
/* increment proc reference counter */
ompi_group_increment_proc_count(new_group_pointer);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:pconprocess setting up communicator",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* set up communicator structure */
rc = ompi_comm_set(&newcomp, /* new comm */
MPI_COMM_SELF, /* old comm */
1, /* local_size */
NULL, /* local_procs */
1, /* remote_size */
NULL, /* remote_procs */
NULL, /* attrs */
MPI_COMM_SELF->error_handler, /* error handler */
NULL, /* topo component */
group, /* local group */
new_group_pointer /* remote group */
);
if (NULL == newcomp) {
rc = OMPI_ERR_OUT_OF_RESOURCE;
goto cleanup;
}
ompi_group_decrement_proc_count (new_group_pointer);
OBJ_RELEASE(new_group_pointer);
new_group_pointer = MPI_GROUP_NULL;
/* return the communicator */
*newcomm = newcomp;
*proct = rprocs[0];
rc = OMPI_SUCCESS;
cleanup:
if (NULL != rprocs) {
free(rprocs);
}
if (NULL != new_proc_list) {
free(new_proc_list);
}
if (OMPI_SUCCESS != rc && MPI_COMM_NULL != newcomp) {
OBJ_RELEASE(newcomp);
}
}
static void connect_complete(int status, orte_process_name_t* sender,
opal_buffer_t* buffer, orte_rml_tag_t tag,
void* cbdata)
{
ompi_communicator_t *newcomm=MPI_COMM_NULL;
ompi_proc_t *proct=NULL;
orte_dpm_prequest_t *req=NULL, *rptr;
int rc, cnt;
uint32_t id;
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:pconnect: starting",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* unpack the request id */
cnt=1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &id, &cnt, OPAL_UINT32))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
/* find this request on the list */
req = NULL;
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
OPAL_LIST_FOREACH(rptr, &orte_dpm_connectors, orte_dpm_prequest_t) {
if (id == rptr->id) {
req = rptr;
break;
}
}
if (NULL == req) {
/* unknown request */
opal_output(0, "%s dpm:pconnect: received unknown id %u from %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), id,
ORTE_NAME_PRINT(sender));
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
return;
}
/* remove the request from the list */
opal_list_remove_item(&orte_dpm_connectors, &req->super);
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
OPAL_OUTPUT_VERBOSE((3, ompi_dpm_base_framework.framework_output,
"%s dpm:pconnect: found request %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), id));
if (req->event_active) {
/* release the timeout */
opal_event_del(&req->ev);
}
/* process the request - as the initiator, we will send first
* for communicator creation
*/
process_request(sender, buffer, true, &newcomm, &proct);
/* notify the MPI layer */
req->cbfunc(newcomm, proct, req->cbdata);
cleanup:
if (NULL != req) {
OBJ_RELEASE(req);
}
}
static int dpm_pconnect(char *port,
struct timeval *timeout,
ompi_dpm_base_paccept_connect_callback_fn_t cbfunc,
void *cbdata)
{
char *hnp_uri, *rml_uri;
orte_rml_tag_t tag;
int rc;
orte_dpm_prequest_t *connector;
orte_process_name_t peer;
ompi_group_t *group=MPI_COMM_SELF->c_local_group;
opal_buffer_t *buf;
/* separate the string into the HNP and RML URI and tag */
if (ORTE_SUCCESS != (rc = parse_port_name(port, &hnp_uri, &rml_uri, &tag))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* extract the originating proc's name */
if (ORTE_SUCCESS != (rc = orte_rml_base_parse_uris(rml_uri, &peer, NULL))) {
ORTE_ERROR_LOG(rc);
free(hnp_uri); free(rml_uri);
return rc;
}
/* make sure we can route rml messages to the destination job */
if (ORTE_SUCCESS != (rc = route_to_port(hnp_uri, &peer))) {
ORTE_ERROR_LOG(rc);
free(hnp_uri); free(rml_uri);
return rc;
}
opal_output(0, "dpm:pconnect requesting connect to %s on tag %d",
ORTE_NAME_PRINT(&peer), tag);
free(hnp_uri); free(rml_uri);
/* create a message to the remote peer */
buf = OBJ_NEW(opal_buffer_t);
/* track the connection request */
connector = OBJ_NEW(orte_dpm_prequest_t);
connector->tag = tag;
connector->cbfunc = cbfunc;
connector->cbdata = cbdata;
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
connector->id = next_preq++;
opal_list_append(&orte_dpm_connectors, &connector->super);
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
/* pack my request id */
if (ORTE_SUCCESS != (rc = opal_dss.pack(buf, &connector->id, 1, OPAL_UINT32))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(buf);
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
opal_list_remove_item(&orte_dpm_connectors, &connector->super);
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
OBJ_RELEASE(connector);
return rc;
}
/* pack the request info */
if (ORTE_SUCCESS != ompi_proc_pack(group->grp_proc_pointers, 1, true, buf)) {
OBJ_RELEASE(buf);
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
opal_list_remove_item(&orte_dpm_connectors, &connector->super);
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
OBJ_RELEASE(connector);
return rc;
}
/* setup the timeout, if requested */
if (NULL != timeout) {
opal_output(0, "dpm:pconnect setting timeout");
opal_event_evtimer_set(orte_event_base,
&connector->ev, timeout_cb, connector);
opal_event_set_priority(&connector->ev, ORTE_ERROR_PRI);
opal_event_evtimer_add(&connector->ev, timeout);
connector->event_active = true;
} else {
connector->event_active = false;
}
/* send it to our new friend */
OPAL_OUTPUT_VERBOSE((2, ompi_dpm_base_framework.framework_output,
"%s dpm:pconnect sending connect to %s on tag %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&peer), tag));
if (ORTE_SUCCESS != (rc = orte_rml.send_buffer_nb(&peer, buf, tag,
orte_rml_send_callback, NULL))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(buf);
}
return rc;
}
static void paccept_recv(int status,
orte_process_name_t* peer,
struct opal_buffer_t* buffer,
orte_rml_tag_t tag,
void* cbdata)
{
orte_dpm_prequest_t *acceptor = (orte_dpm_prequest_t*)cbdata;
ompi_communicator_t *newcomm=MPI_COMM_NULL;
ompi_proc_t *proct=NULL;
OPAL_OUTPUT_VERBOSE((2, ompi_dpm_base_framework.framework_output,
"%s dpm:paccept recvd request from %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(peer)));
/* process the request - as the acceptor, we will recv first
* on communicator formation
*/
process_request(peer, buffer, false, &newcomm, &proct);
/* if we succeeded, notify the MPI layer */
if (MPI_COMM_NULL != newcomm) {
acceptor->cbfunc(newcomm, proct, acceptor->cbdata);
}
}
static int dpm_paccept(char *port,
ompi_dpm_base_paccept_connect_callback_fn_t cbfunc,
void *cbdata)
{
orte_rml_tag_t tag;
int rc;
orte_dpm_prequest_t *acceptor;
/* extract the RML tag from the port name - it's the only part we need */
if (OMPI_SUCCESS != (rc = parse_port_name(port, NULL, NULL, &tag))) {
return rc;
}
/* track the accept request */
acceptor = OBJ_NEW(orte_dpm_prequest_t);
acceptor->tag = tag;
acceptor->cbfunc = cbfunc;
acceptor->cbdata = cbdata;
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
opal_list_append(&orte_dpm_acceptors, &acceptor->super);
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
/* register a recv for this tag */
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, tag,
ORTE_RML_PERSISTENT,
paccept_recv, acceptor);
return OMPI_SUCCESS;
}
static void dpm_pclose(char *port)
{
orte_rml_tag_t tag;
orte_dpm_prequest_t *rptr;
/* extract the RML tag from the port name - it's the only part we need */
if (OMPI_SUCCESS != parse_port_name(port, NULL, NULL, &tag)) {
return;
}
OPAL_THREAD_LOCK(&ompi_dpm_port_mutex);
OPAL_LIST_FOREACH(rptr, &orte_dpm_acceptors, orte_dpm_prequest_t) {
if (tag == rptr->tag) {
/* found it */
opal_list_remove_item(&orte_dpm_acceptors, &rptr->super);
orte_rml.recv_cancel(ORTE_NAME_WILDCARD, tag);
OBJ_RELEASE(rptr);
break;
}
}
OPAL_THREAD_UNLOCK(&ompi_dpm_port_mutex);
}
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