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openmpi/orte/orted/pmix/pmix_server.c
Ralph Castain 869041f770 Purge whitespace from the repo
2015-06-23 20:59:57 -07:00

1129 строки
39 KiB
C
Исходник Ответственный История

/*
* Copyright (c) 2004-2010 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) 2006-2013 Los Alamos National Security, LLC.
* All rights reserved.
* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2011 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2013-2015 Intel, Inc. All rights reserved.
* Copyright (c) 2014 Mellanox Technologies, 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 "orte_config.h"
#include "orte/types.h"
#include "opal/types.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <fcntl.h>
#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
#include <ctype.h>
#include "opal_stdint.h"
#include "opal/class/opal_list.h"
#include "opal/mca/base/mca_base_var.h"
#include "opal/util/opal_environ.h"
#include "opal/util/show_help.h"
#include "opal/util/error.h"
#include "opal/util/fd.h"
#include "opal/util/output.h"
#include "opal/opal_socket_errno.h"
#include "opal/util/if.h"
#include "opal/util/net.h"
#include "opal/util/argv.h"
#include "opal/class/opal_hash_table.h"
#include "opal/mca/dstore/dstore.h"
#include "opal/mca/shmem/base/base.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/grpcomm/grpcomm.h"
#include "orte/mca/rml/rml.h"
#include "orte/util/listener.h"
#include "orte/util/name_fns.h"
#include "orte/util/session_dir.h"
#include "orte/util/show_help.h"
#include "orte/runtime/orte_globals.h"
#include "pmix_server.h"
#include "pmix_server_internal.h"
/* local classes for tracking collective ops */
typedef struct {
opal_list_item_t super;
int sd;
orte_process_name_t name;
uint32_t tag;
} pmix_server_local_t;
OBJ_CLASS_INSTANCE(pmix_server_local_t,
opal_list_item_t,
NULL, NULL);
typedef struct {
opal_list_item_t super;
orte_grpcomm_signature_t *sig;
orte_vpid_t nlocal; // number of local procs in this collective
opal_list_t locals; // list of pmix_server_local_t
opal_buffer_t bucket;
} pmix_server_trk_t;
static void trkcon(pmix_server_trk_t *p)
{
p->sig = NULL;
p->nlocal = 0;
OBJ_CONSTRUCT(&p->locals, opal_list_t);
OBJ_CONSTRUCT(&p->bucket, opal_buffer_t);
}
static void trkdes(pmix_server_trk_t *p)
{
if (NULL != p->sig) {
OBJ_RELEASE(p->sig);
}
OPAL_LIST_DESTRUCT(&p->locals);
OBJ_DESTRUCT(&p->bucket);
}
static OBJ_CLASS_INSTANCE(pmix_server_trk_t,
opal_list_item_t,
trkcon, trkdes);
/*
* Local utility functions
*/
static void connection_handler(int incoming_sd, short flags, void* cbdata);
static void pmix_server_recv(int status, orte_process_name_t* sender,
opal_buffer_t *buffer,
orte_rml_tag_t tg, void *cbdata);
static void pmix_server_release(int status,
opal_buffer_t *buffer,
void *cbdata);
static void pmix_server_dmdx_recv(int status, orte_process_name_t* sender,
opal_buffer_t *buffer,
orte_rml_tag_t tg, void *cbdata);
static void pmix_server_dmdx_resp(int status, orte_process_name_t* sender,
opal_buffer_t *buffer,
orte_rml_tag_t tg, void *cbdata);
char *pmix_server_uri = NULL;
opal_hash_table_t *pmix_server_peers = NULL;
int pmix_server_verbosity = -1;
int pmix_server_output = -1;
int pmix_server_local_handle = -1;
int pmix_server_remote_handle = -1;
int pmix_server_global_handle = -1;
opal_list_t pmix_server_pending_dmx_reqs = {{0}};
static bool initialized = false;
static struct sockaddr_un address;
static opal_list_t collectives;
void pmix_server_register(void)
{
/* register a verbosity */
pmix_server_verbosity = -1;
(void) mca_base_var_register ("orte", "pmix", NULL, "server_verbose",
"Debug verbosity for PMIx server",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_ALL,
&pmix_server_verbosity);
if (0 <= pmix_server_verbosity) {
pmix_server_output = opal_output_open(NULL);
opal_output_set_verbosity(pmix_server_output, pmix_server_verbosity);
}
}
/*
* Initialize global variables used w/in the server.
*/
int pmix_server_init(void)
{
int rc;
if (initialized) {
return ORTE_SUCCESS;
}
initialized = true;
/* setup the servers's state variables */
pmix_server_peers = OBJ_NEW(opal_hash_table_t);
opal_hash_table_init(pmix_server_peers, 32);
OBJ_CONSTRUCT(&collectives, opal_list_t);
OBJ_CONSTRUCT(&pmix_server_pending_dmx_reqs, opal_list_t);
/* if the session directory has not already been setup, do so */
if (NULL == orte_process_info.top_session_dir) {
if (ORTE_SUCCESS != (rc = orte_session_dir(true,
orte_process_info.tmpdir_base,
orte_process_info.nodename, NULL,
ORTE_PROC_MY_NAME))) {
ORTE_ERROR_LOG(rc);
return rc;
}
}
/* setup the path to the rendezvous point */
memset(&address, 0, sizeof(struct sockaddr_un));
address.sun_family = AF_UNIX;
snprintf(address.sun_path, sizeof(address.sun_path)-1,
"%s/%s/%s/0/%s", orte_process_info.tmpdir_base,
orte_process_info.top_session_dir,
ORTE_JOB_FAMILY_PRINT(ORTE_PROC_MY_NAME->jobid), "pmix");
/* add it to our launch environment so our children get it */
(void)asprintf(&pmix_server_uri, "%"PRIu32".%"PRIu32":%s",
orte_process_info.my_name.jobid,
orte_process_info.my_name.vpid, address.sun_path);
opal_output_verbose(2, pmix_server_output,
"%s PMIX server uri: %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), pmix_server_uri);
opal_setenv("PMIX_SERVER_URI", pmix_server_uri, true, &orte_launch_environ);
/* setup the datastore handles */
if (0 > (pmix_server_local_handle = opal_dstore.open("pmix-local", "hash", NULL))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
if (0 > (pmix_server_remote_handle = opal_dstore.open("pmix-remote", "hash", NULL))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
if (0 > (pmix_server_global_handle = opal_dstore.open("pmix-global", "hash", NULL))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
/* setup recv for collecting local barriers */
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DAEMON_COLL,
ORTE_RML_PERSISTENT, pmix_server_recv, NULL);
/* setup recv for direct modex requests */
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DIRECT_MODEX,
ORTE_RML_PERSISTENT, pmix_server_dmdx_recv, NULL);
/* setup recv for replies to direct modex requests */
orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DIRECT_MODEX_RESP,
ORTE_RML_PERSISTENT, pmix_server_dmdx_resp, NULL);
/* register for connection requests */
if (ORTE_SUCCESS != (rc = orte_register_listener((struct sockaddr*)&address, sizeof(struct sockaddr_un),
orte_event_base, connection_handler))) {
ORTE_ERROR_LOG(rc);
/* memory cleanup will occur when finalize is called */
}
return rc;
}
void pmix_server_finalize(void)
{
uint64_t ui64;
pmix_server_peer_t *pr;
char *nptr;
if (!initialized) {
return;
}
opal_output_verbose(2, pmix_server_output,
"%s Finalizing PMIX server",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
/* stop receives */
orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DAEMON_COLL);
orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_COLL_RELEASE);
orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DIRECT_MODEX);
orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_DIRECT_MODEX_RESP);
/* cleanup the dstore handles */
(void)opal_dstore.close(pmix_server_local_handle);
(void)opal_dstore.close(pmix_server_remote_handle);
(void)opal_dstore.close(pmix_server_global_handle);
/* delete the rendezvous file */
unlink(address.sun_path);
if (NULL != pmix_server_uri) {
free(pmix_server_uri);
}
/* cleanup collectives */
OPAL_LIST_DESTRUCT(&collectives);
OPAL_LIST_DESTRUCT(&pmix_server_pending_dmx_reqs);
/* cleanup all peers */
if (OPAL_SUCCESS == opal_hash_table_get_first_key_uint64(pmix_server_peers, &ui64,
(void**)&pr, (void**)&nptr)) {
opal_output_verbose(2, pmix_server_output,
"%s RELEASING PEER OBJ %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(NULL == pr) ? "NULL" : ORTE_NAME_PRINT(&pr->name));
if (NULL != pr) {
OBJ_RELEASE(pr);
}
while (OPAL_SUCCESS == opal_hash_table_get_next_key_uint64(pmix_server_peers, &ui64,
(void**)&pr, nptr, (void**)&nptr)) {
opal_output_verbose(2, pmix_server_output,
"%s RELEASING PEER OBJ %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(NULL == pr) ? "NULL" : ORTE_NAME_PRINT(&pr->name));
if (NULL != pr) {
OBJ_RELEASE(pr);
}
}
}
OBJ_RELEASE(pmix_server_peers);
}
/*
* Handler for accepting connections from the event library
*/
static void connection_handler(int fd, short flags, void* cbdata)
{
int rc;
pmix_server_hdr_t hdr;
pmix_server_peer_t *peer;
orte_pending_connection_t *pending = (orte_pending_connection_t*)cbdata;
int sd;
sd = pending->fd;
pending->fd = -1;
OBJ_RELEASE(pending);
/* Set the socket to close-on-exec so that no subsequent children inherit
this FD */
if (opal_fd_set_cloexec(sd) != OPAL_SUCCESS) {
opal_output(0, "pmix_server_listen: unable to set the "
"listening socket to CLOEXEC (%s:%d)\n",
strerror(opal_socket_errno), opal_socket_errno);
CLOSE_THE_SOCKET(sd);
return;
}
/* get the handshake */
if (ORTE_SUCCESS != (rc = pmix_server_recv_connect_ack(NULL, sd, &hdr))) {
ORTE_ERROR_LOG(rc);
CLOSE_THE_SOCKET(sd);
return;
}
/* finish processing ident */
if (PMIX_USOCK_IDENT == hdr.type) {
/* get the peer */
if (NULL == (peer = pmix_server_peer_lookup(sd))) {
/* create the peer */
peer = OBJ_NEW(pmix_server_peer_t);
if (OPAL_SUCCESS != (rc = opal_hash_table_set_value_uint64(pmix_server_peers, sd, peer))) {
OPAL_ERROR_LOG(rc);
CLOSE_THE_SOCKET(sd);
return;
}
peer->name = hdr.id;
peer->state = PMIX_SERVER_ACCEPTING;
peer->sd = sd;
}
/* set socket up to be non-blocking */
if ((flags = fcntl(sd, F_GETFL, 0)) < 0) {
opal_output(0, "%s pmix_server_recv_connect: fcntl(F_GETFL) failed: %s (%d)",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), strerror(opal_socket_errno), opal_socket_errno);
} else {
flags |= O_NONBLOCK;
if (fcntl(sd, F_SETFL, flags) < 0) {
opal_output(0, "%s pmix_server_recv_connect: fcntl(F_SETFL) failed: %s (%d)",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), strerror(opal_socket_errno), opal_socket_errno);
}
}
/* is the peer instance willing to accept this connection */
peer->sd = sd;
if (peer->state != PMIX_SERVER_CONNECTED) {
pmix_server_peer_event_init(peer);
if (pmix_server_send_connect_ack(peer) != ORTE_SUCCESS) {
opal_output(0, "%s usock_peer_accept: "
"usock_peer_send_connect_ack to %s failed\n",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&(peer->name)));
peer->state = PMIX_SERVER_FAILED;
CLOSE_THE_SOCKET(sd);
return;
}
pmix_server_peer_connected(peer);
if (2 <= opal_output_get_verbosity(pmix_server_output)) {
pmix_server_peer_dump(peer, "accepted");
}
} else {
opal_output_verbose(2, pmix_server_output,
"%s usock:peer_accept ignored for peer %s in state %s on socket %d",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&peer->name),
pmix_server_state_print(peer->state), peer->sd);
opal_hash_table_set_value_uint64(pmix_server_peers, sd, NULL);
CLOSE_THE_SOCKET(sd);
OBJ_RELEASE(peer);
}
}
}
char* pmix_server_state_print(pmix_server_state_t state)
{
switch (state) {
case PMIX_SERVER_UNCONNECTED:
return "UNCONNECTED";
case PMIX_SERVER_CLOSED:
return "CLOSED";
case PMIX_SERVER_RESOLVE:
return "RESOLVE";
case PMIX_SERVER_CONNECTING:
return "CONNECTING";
case PMIX_SERVER_CONNECT_ACK:
return "ACK";
case PMIX_SERVER_CONNECTED:
return "CONNECTED";
case PMIX_SERVER_FAILED:
return "FAILED";
default:
return "UNKNOWN";
}
}
pmix_server_peer_t* pmix_server_peer_lookup(int sd)
{
pmix_server_peer_t *peer;
uint64_t ui64;
ui64 = sd;
if (OPAL_SUCCESS != opal_hash_table_get_value_uint64(pmix_server_peers, ui64, (void**)&peer)) {
return NULL;
}
return peer;
}
static pmix_server_trk_t* get_trk(opal_process_name_t *id,
orte_grpcomm_signature_t *sig)
{
pmix_server_trk_t *trk;
orte_job_t *jdata;
orte_proc_t *proc;
size_t i;
orte_process_name_t name;
/* deal with a null signature here */
if (NULL == sig->signature) {
memcpy(&name, id, sizeof(orte_process_name_t));
/* create a signature indicating that all procs in this one's
* jobid are participating */
sig->signature = (orte_process_name_t*)malloc(sizeof(orte_process_name_t));
name.vpid = ORTE_VPID_WILDCARD;
memcpy(sig->signature, &name, sizeof(orte_process_name_t));
sig->sz = 1;
}
OPAL_LIST_FOREACH(trk, &collectives, pmix_server_trk_t) {
if (OPAL_EQUAL == opal_dss.compare(sig, trk->sig, ORTE_SIGNATURE)) {
/* got it */
opal_output_verbose(2, pmix_server_output,
"%s pmix:server found tracker for signature",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
return trk;
}
}
opal_output_verbose(2, pmix_server_output,
"%s pmix:server adding new tracker of sig size %u",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(unsigned int)sig->sz);
/* get here if tracker not found */
trk = OBJ_NEW(pmix_server_trk_t);
OBJ_RETAIN(sig);
trk->sig = sig;
opal_list_append(&collectives, &trk->super);
/* if this is a job-wide event, then deal with it here */
if (1 == sig->sz) {
memcpy(&name, &sig->signature[0], sizeof(orte_process_name_t));
/* get the job object */
if (NULL == (jdata = orte_get_job_data_object(name.jobid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return NULL;
}
if (ORTE_VPID_WILDCARD == name.vpid) {
trk->nlocal = jdata->num_local_procs;
goto done;
}
}
/* count how many of these procs are local to us */
for (i=0; i < sig->sz; i++) {
memcpy(&name, &sig->signature[i], sizeof(orte_process_name_t));
/* get the job object */
if (NULL == (jdata = orte_get_job_data_object(name.jobid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
continue;
}
/* get the proc object */
if (NULL == (proc = (orte_proc_t*)opal_pointer_array_get_item(jdata->procs, name.vpid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
continue;
}
if (ORTE_FLAG_TEST(proc, ORTE_PROC_FLAG_LOCAL)) {
trk->nlocal++;
}
}
done:
opal_output_verbose(2, pmix_server_output,
"%s pmix:server tracker is looking for %s local procs",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_VPID_PRINT(trk->nlocal));
return trk;
}
static void pmix_server_recv(int status, orte_process_name_t* sender,
opal_buffer_t *buffer,
orte_rml_tag_t tg, void *cbdata)
{
orte_process_name_t name;
int rc;
int32_t cnt;
opal_process_name_t id;
pmix_server_trk_t *trk;
pmix_server_local_t *lcl;
uint32_t tag;
int32_t sd;
orte_grpcomm_signature_t *sig;
opal_output_verbose(2, pmix_server_output,
"%s pmix:server:recv msg recvd from %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(sender));
/* unpack the id of the proc involved - must be one
* of my local children */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &id, &cnt, OPAL_NAME))) {
ORTE_ERROR_LOG(rc);
return;
}
memcpy(&name, &id, sizeof(orte_process_name_t));
/* unpack the socket and tag the proc is listening on */
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &sd, &cnt, OPAL_INT32))) {
ORTE_ERROR_LOG(rc);
return;
}
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &tag, &cnt, OPAL_UINT32))) {
ORTE_ERROR_LOG(rc);
return;
}
/* unpack the signature */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &sig, &cnt, ORTE_SIGNATURE))) {
ORTE_ERROR_LOG(rc);
return;
}
/* check for the tracker and create it if not found */
if (NULL == (trk = get_trk(&id, sig))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
OBJ_RELEASE(sig);
return;
}
/* add any data that was included from the local proc and
* needs to be in the allgather */
opal_dss.copy_payload(&trk->bucket, buffer);
/* I would only have received this if one of my local children
* is participating, so add them to the tracker so we know how
* to send a response back to them when the collective is complete */
lcl = OBJ_NEW(pmix_server_local_t);
lcl->sd = sd;
lcl->name = name;
lcl->tag = tag;
opal_list_append(&trk->locals, &lcl->super);
opal_output_verbose(2, pmix_server_output,
"%s pmix:server %d reported for job %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(int)opal_list_get_size(&trk->locals),
ORTE_JOBID_PRINT(name.jobid));
/* if locally complete, pass it to the allgather */
if (trk->nlocal == opal_list_get_size(&trk->locals)) {
/* pass along any data that was collected locally */
if (ORTE_SUCCESS != (rc = orte_grpcomm.allgather(sig, &trk->bucket,
pmix_server_release, trk))) {
ORTE_ERROR_LOG(rc);
}
}
/* the tracker will have retained any data it needed, so get rid
* of our copy */
OBJ_RELEASE(sig);
}
static void pmix_server_release(int status,
opal_buffer_t *buffer,
void *cbdata)
{
pmix_server_trk_t *trk = (pmix_server_trk_t*)cbdata;
pmix_server_local_t *lcl;
pmix_server_peer_t *peer;
opal_buffer_t *reply, *reply_short, *data;
orte_process_name_t name;
orte_proc_t *proc, *proc_peer;
opal_buffer_t *msg, *bptr;
int rc;
opal_pmix_scope_t scope;
int32_t cnt;
opal_process_name_t id;
size_t i;
uint32_t np;
bool stored;
cnt = 1;
if (2 < opal_output_get_verbosity(pmix_server_output)) {
char *tmp=NULL;
(void)opal_dss.print(&tmp, NULL, trk->sig, ORTE_SIGNATURE);
opal_output(0, "%s pmix_server release called on tracker %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), tmp);
free(tmp);
}
opal_output_verbose(2, pmix_server_output,
"%s pmix:server:release coll release recvd",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
stored = false;
/* for each local process, send the data */
reply = OBJ_NEW(opal_buffer_t);
reply_short = OBJ_NEW(opal_buffer_t);
opal_dss.copy_payload(reply, buffer);
OPAL_LIST_FOREACH(lcl, &trk->locals, pmix_server_local_t) {
opal_output_verbose(2, pmix_server_output,
"%s pmix:server:recv sending allgather release of size %lu to %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(unsigned long)buffer->bytes_used,
ORTE_NAME_PRINT(&lcl->name));
peer = pmix_server_peer_lookup(lcl->sd);
/* get process object for the peer */
proc_peer = orte_get_proc_object(&peer->name);
/* check if peer has an access to the shared memory dstore segment.
* If not, just send a reply with all data. */
if (NULL == proc_peer || !ORTE_FLAG_TEST(proc_peer, ORTE_PROC_FLAG_SM_ACCESS)) {
OBJ_RETAIN(reply);
PMIX_SERVER_QUEUE_SEND(peer, lcl->tag, reply);
} else {
/* store data in sm once */
if (!stored) {
/* get the number of contributors */
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &np, &cnt, OPAL_UINT64))) {
OPAL_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
return;
}
/* pack number of processes into reply buffer */
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply_short, &np, 1, OPAL_UINT64))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
return;
}
/* if data was returned, unpack and store it */
for (i=0; i < np; i++) {
/* get the buffer that contains the data for the next proc */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &msg, &cnt, OPAL_BUFFER))) {
if (OPAL_ERR_UNPACK_READ_PAST_END_OF_BUFFER == rc) {
break;
}
OPAL_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
return;
}
/* extract the id of the contributor from the blob */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(msg, &id, &cnt, OPAL_NAME))) {
OPAL_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
OBJ_RELEASE(msg);
return;
}
/* extract all blobs from this proc, starting with the scope */
cnt = 1;
data = OBJ_NEW(opal_buffer_t);
while (OPAL_SUCCESS == (rc = opal_dss.unpack(msg, &scope, &cnt, PMIX_SCOPE_T))) {
/* extract the blob for this scope */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(msg, &bptr, &cnt, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
OBJ_RELEASE(data);
OBJ_RELEASE(msg);
return;
}
if (OPAL_SUCCESS != (rc = opal_dss.pack(data, &bptr, 1, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
OBJ_RELEASE(data);
OBJ_RELEASE(msg);
OBJ_RELEASE(bptr);
return;
}
OBJ_RELEASE(bptr);
cnt = 1;
}
if (OPAL_ERR_UNPACK_READ_PAST_END_OF_BUFFER != rc) {
OPAL_ERROR_LOG(rc);
}
OBJ_RELEASE(msg);
/* get proc object for the target process */
memcpy((char*)&name, (char*)&id, sizeof(orte_process_name_t));
proc = orte_get_proc_object(&name);
/* mark that we put data for this proc to shared memory region */
ORTE_FLAG_SET(proc, ORTE_PROC_FLAG_DATA_IN_SM);
OBJ_RELEASE(data);
}
stored = true;
}
OBJ_RETAIN(reply_short);
PMIX_SERVER_QUEUE_SEND(peer, lcl->tag, reply_short);
}
}
OBJ_RELEASE(reply);
OBJ_RELEASE(reply_short);
/* release the tracker */
opal_list_remove_item(&collectives, &trk->super);
OBJ_RELEASE(trk);
}
static void pmix_server_dmdx_recv(int status, orte_process_name_t* sender,
opal_buffer_t *buffer,
orte_rml_tag_t tg, void *cbdata)
{
int rc, ret;
int32_t cnt;
opal_buffer_t *reply, *bptr, buf;
opal_value_t *kvp, *kvp2, kv, *kp;
opal_process_name_t idreq;
orte_process_name_t name;
orte_job_t *jdata;
orte_proc_t *proc;
opal_list_t values;
bool found;
pmix_server_dmx_req_t *req;
opal_output_verbose(2, pmix_server_output,
"%s dmdx:recv request from proc %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(sender));
/* unpack the id of the proc whose data is being requested */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &idreq, &cnt, OPAL_NAME))) {
ORTE_ERROR_LOG(rc);
return;
}
/* is this proc one of mine? */
memcpy((char*)&name, (char*)&idreq, sizeof(orte_process_name_t));
if (NULL == (jdata = orte_get_job_data_object(name.jobid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return;
}
if (NULL == (proc = (orte_proc_t*)opal_pointer_array_get_item(jdata->procs, name.vpid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return;
}
if (!ORTE_FLAG_TEST(proc, ORTE_PROC_FLAG_LOCAL)) {
/* send back an error - they obviously have made a mistake */
reply = OBJ_NEW(opal_buffer_t);
/* pack the id of the requested proc */
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &idreq, 1, OPAL_NAME))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
return;
}
/* pack the status */
ret = OPAL_ERR_NOT_FOUND;
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &ret, 1, OPAL_INT))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
return;
}
/* send the response */
orte_rml.send_buffer_nb(sender, reply,
ORTE_RML_TAG_DIRECT_MODEX_RESP,
orte_rml_send_callback, NULL);
return;
}
/* do we already have the data for this proc? */
if (!ORTE_FLAG_TEST(proc, ORTE_PROC_FLAG_DATA_RECVD)) {
/* nope - so track the request and we'll send it
* along once we get the data */
if (NULL == (jdata = orte_get_job_data_object(sender->jobid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return;
}
if (NULL == (proc = (orte_proc_t*)opal_pointer_array_get_item(jdata->procs, sender->vpid))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
return;
}
req = OBJ_NEW(pmix_server_dmx_req_t);
OBJ_RETAIN(proc); // just to be safe
req->proxy = proc;
req->target = idreq;
opal_list_append(&pmix_server_pending_dmx_reqs, &req->super);
return;
}
/* this is one of our local procs, and we already have its data,
* so all we have to do is pack it up and send it along */
kvp = NULL;
kvp2 = NULL;
found = false;
/* retrieve the REMOTE blob for that proc */
OBJ_CONSTRUCT(&values, opal_list_t);
if (OPAL_SUCCESS == opal_dstore.fetch(pmix_server_remote_handle, &idreq, "modex", &values)) {
kvp = (opal_value_t*)opal_list_remove_first(&values);
found = true;
}
OPAL_LIST_DESTRUCT(&values);
/* retrieve the global blob for that proc */
OBJ_CONSTRUCT(&values, opal_list_t);
if (OPAL_SUCCESS == opal_dstore.fetch(pmix_server_global_handle, &idreq, "modex", &values)) {
kvp2 = (opal_value_t*)opal_list_remove_first(&values);
found = true;
}
OPAL_LIST_DESTRUCT(&values);
/* return it */
reply = OBJ_NEW(opal_buffer_t);
/* pack the id of the requested proc */
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &idreq, 1, OPAL_NAME))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
return;
}
/* pack the status */
if (found) {
ret = OPAL_SUCCESS;
} else {
ret = OPAL_ERR_NOT_FOUND;
}
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &ret, 1, OPAL_INT))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
return;
}
/* always pass the hostname */
OBJ_CONSTRUCT(&buf, opal_buffer_t);
OBJ_CONSTRUCT(&kv, opal_value_t);
kv.key = strdup(PMIX_HOSTNAME);
kv.type = OPAL_STRING;
kv.data.string = strdup(orte_process_info.nodename);
kp = &kv;
if (OPAL_SUCCESS != (rc = opal_dss.pack(&buf, &kp, 1, OPAL_VALUE))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_DESTRUCT(&buf);
OBJ_DESTRUCT(&kv);
return;
}
OBJ_DESTRUCT(&kv);
/* pack the blob */
bptr = &buf;
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &bptr, 1, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_DESTRUCT(&buf);
return;
}
OBJ_DESTRUCT(&buf);
/* remote blob */
if (NULL != kvp) {
opal_output_verbose(2, pmix_server_output,
"%s passing remote blob of size %d from proc %s to proc %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(int)kvp->data.bo.size,
ORTE_NAME_PRINT(&name),
ORTE_NAME_PRINT(sender));
OBJ_CONSTRUCT(&buf, opal_buffer_t);
opal_dss.load(&buf, kvp->data.bo.bytes, kvp->data.bo.size);
/* protect the data */
kvp->data.bo.bytes = NULL;
kvp->data.bo.size = 0;
bptr = &buf;
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &bptr, 1, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_DESTRUCT(&buf);
return;
}
OBJ_DESTRUCT(&buf);
OBJ_RELEASE(kvp);
}
/* global blob */
if (NULL != kvp2) {
opal_output_verbose(2, pmix_server_output,
"%s passing global blob of size %d from proc %s to proc %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
(int)kvp2->data.bo.size,
ORTE_NAME_PRINT(&name),
ORTE_NAME_PRINT(sender));
OBJ_CONSTRUCT(&buf, opal_buffer_t);
opal_dss.load(&buf, kvp2->data.bo.bytes, kvp2->data.bo.size);
/* protect the data */
kvp2->data.bo.bytes = NULL;
kvp2->data.bo.size = 0;
bptr = &buf;
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &bptr, 1, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_DESTRUCT(&buf);
return;
}
OBJ_DESTRUCT(&buf);
OBJ_RELEASE(kvp2);
}
/* send the response */
orte_rml.send_buffer_nb(sender, reply,
ORTE_RML_TAG_DIRECT_MODEX_RESP,
orte_rml_send_callback, NULL);
return;
}
static void pmix_server_dmdx_resp(int status, orte_process_name_t* sender,
opal_buffer_t *buffer,
orte_rml_tag_t tg, void *cbdata)
{
pmix_server_dmx_req_t *req, *nxt;
int rc, ret;
int32_t cnt;
opal_buffer_t *reply, xfer, *bptr;
opal_process_name_t target;
opal_value_t kv;
opal_output_verbose(2, pmix_server_output,
"%s dmdx:recv response from proc %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(sender));
/* unpack the id of the target whose info we just received */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &target, &cnt, OPAL_NAME))) {
ORTE_ERROR_LOG(rc);
return;
}
/* unpack the status */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &ret, &cnt, OPAL_INT))) {
ORTE_ERROR_LOG(rc);
return;
}
/* unpack the hostname blob */
cnt = 1;
if (OPAL_SUCCESS != (rc = opal_dss.unpack(buffer, &bptr, &cnt, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
return;
}
/* if we got something, store the blobs locally so we can
* meet any further requests without doing a remote fetch.
* This must be done as a single blob for later retrieval */
if (ORTE_SUCCESS == ret) {
OBJ_CONSTRUCT(&kv, opal_value_t);
kv.key = strdup("modex");
kv.type = OPAL_BYTE_OBJECT;
OBJ_CONSTRUCT(&xfer, opal_buffer_t);
opal_dss.copy_payload(&xfer, buffer);
opal_dss.unload(&xfer, (void**)&kv.data.bo.bytes, &kv.data.bo.size);
opal_dstore.store(pmix_server_remote_handle, &target, &kv);
OBJ_DESTRUCT(&kv);
OBJ_DESTRUCT(&xfer);
}
/* check ALL reqs to see who requested this target - due to
* async behavior, we may have requests from more than one
* process */
OPAL_LIST_FOREACH_SAFE(req, nxt, &pmix_server_pending_dmx_reqs, pmix_server_dmx_req_t) {
if (0 == opal_compare_proc(target, req->target)) {
/* prep the reply */
reply = OBJ_NEW(opal_buffer_t);
/* pack the returned status */
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &ret, 1, OPAL_INT))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(bptr);
return;
}
/* pack the hostname blob */
if (OPAL_SUCCESS != (rc = opal_dss.pack(reply, &bptr, 1, OPAL_BUFFER))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(reply);
OBJ_RELEASE(bptr);
return;
}
/* pass across any returned blobs */
opal_dss.copy_payload(reply, buffer);
/* send it */
OBJ_RETAIN(reply);
PMIX_SERVER_QUEUE_SEND(req->peer, req->tag, reply);
/* request is complete, so remove it */
opal_list_remove_item(&pmix_server_pending_dmx_reqs, &req->super);
OBJ_RELEASE(req);
}
}
if (NULL != bptr) {
OBJ_RELEASE(bptr);
}
}
/*
* Routine for debugging to print the connection state and socket options
*/
void pmix_server_peer_dump(pmix_server_peer_t* peer, const char* msg)
{
char buff[255];
int nodelay,flags;
if ((flags = fcntl(peer->sd, F_GETFL, 0)) < 0) {
opal_output(0, "%s usock_peer_dump: fcntl(F_GETFL) failed: %s (%d)\n",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
strerror(opal_socket_errno),
opal_socket_errno);
}
#if defined(USOCK_NODELAY)
optlen = sizeof(nodelay);
if (getsockopt(peer->sd, IPPROTO_USOCK, USOCK_NODELAY, (char *)&nodelay, &optlen) < 0) {
opal_output(0, "%s usock_peer_dump: USOCK_NODELAY option: %s (%d)\n",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
strerror(opal_socket_errno),
opal_socket_errno);
}
#else
nodelay = 0;
#endif
snprintf(buff, sizeof(buff), "%s-%s %s: nodelay %d flags %08x\n",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&(peer->name)),
msg, nodelay, flags);
opal_output(0, "%s", buff);
}
static void scon(pmix_server_send_t *p)
{
p->data = NULL;
p->hdr_sent = false;
p->sdptr = NULL;
p->sdbytes = 0;
}
static void dcon(pmix_server_send_t *p)
{
if (NULL != p->data) {
OBJ_RELEASE(p->data);
}
}
OBJ_CLASS_INSTANCE(pmix_server_send_t,
opal_list_item_t,
scon, dcon);
static void rcon(pmix_server_recv_t *p)
{
p->data = NULL;
p->hdr_recvd = false;
p->rdptr = NULL;
p->rdbytes = 0;
}
static void rdes(pmix_server_recv_t *p)
{
if (NULL != p->data) {
free(p->data);
}
}
OBJ_CLASS_INSTANCE(pmix_server_recv_t,
opal_list_item_t,
rcon, rdes);
static void pcon(pmix_server_peer_t *p)
{
p->auth_method = NULL;
p->sd = -1;
p->retries = 0;
p->state = PMIX_SERVER_UNCONNECTED;
p->send_ev_active = false;
p->recv_ev_active = false;
p->timer_ev_active = false;
OBJ_CONSTRUCT(&p->send_queue, opal_list_t);
p->send_msg = NULL;
p->recv_msg = NULL;
}
static void pdes(pmix_server_peer_t *p)
{
if (NULL != p->auth_method) {
free(p->auth_method);
}
OPAL_LIST_DESTRUCT(&p->send_queue);
}
OBJ_CLASS_INSTANCE(pmix_server_peer_t,
opal_object_t,
pcon, pdes);
static void rqcon(pmix_server_dmx_req_t *p)
{
p->peer = NULL;
p->proxy = NULL;
}
static void rqdes(pmix_server_dmx_req_t *p)
{
if (NULL != p->peer) {
OBJ_RELEASE(p->peer);
}
if (NULL != p->proxy) {
OBJ_RELEASE(p->proxy);
}
}
OBJ_CLASS_INSTANCE(pmix_server_dmx_req_t,
opal_list_item_t,
rqcon, rqdes);
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