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openmpi/orte/mca/routed/linear/routed_linear.c

848 строки
30 KiB
C

/*
* Copyright (c) 2007 Los Alamos National Security, LLC.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/constants.h"
#include <stddef.h>
#include "opal/threads/condition.h"
#include "opal/dss/dss.h"
#include "opal/class/opal_bitmap.h"
#include "opal/class/opal_hash_table.h"
#include "opal/util/output.h"
#include "opal/util/opal_sos.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/ess/ess.h"
#include "orte/mca/rml/rml.h"
#include "orte/mca/rml/rml_types.h"
#include "orte/util/name_fns.h"
#include "orte/runtime/orte_globals.h"
#include "orte/runtime/orte_wait.h"
#include "orte/runtime/runtime.h"
#include "orte/mca/rml/base/rml_contact.h"
#include "orte/mca/routed/base/base.h"
#include "routed_linear.h"
static int init(void);
static int finalize(void);
static int delete_route(orte_process_name_t *proc);
static int update_route(orte_process_name_t *target,
orte_process_name_t *route);
static orte_process_name_t get_route(orte_process_name_t *target);
static int init_routes(orte_jobid_t job, opal_buffer_t *ndat);
static int route_lost(const orte_process_name_t *route);
static bool route_is_defined(const orte_process_name_t *target);
static int update_routing_tree(void);
static orte_vpid_t get_routing_tree(opal_list_t *children);
static int get_wireup_info(opal_buffer_t *buf);
static int set_lifeline(orte_process_name_t *proc);
static size_t num_routes(void);
#if OPAL_ENABLE_FT_CR == 1
static int linear_ft_event(int state);
#endif
orte_routed_module_t orte_routed_linear_module = {
init,
finalize,
delete_route,
update_route,
get_route,
init_routes,
route_lost,
route_is_defined,
set_lifeline,
update_routing_tree,
get_routing_tree,
get_wireup_info,
num_routes,
#if OPAL_ENABLE_FT_CR == 1
linear_ft_event
#else
NULL
#endif
};
/* local globals */
static opal_condition_t cond;
static opal_mutex_t lock;
static orte_process_name_t *lifeline=NULL;
static orte_process_name_t local_lifeline;
static bool ack_recvd;
static int init(void)
{
/* setup the global condition and lock */
OBJ_CONSTRUCT(&cond, opal_condition_t);
OBJ_CONSTRUCT(&lock, opal_mutex_t);
lifeline = NULL;
return ORTE_SUCCESS;
}
static int finalize(void)
{
int rc;
/* if I am an application process, indicate that I am
* truly finalizing prior to departure
*/
if (!ORTE_PROC_IS_HNP &&
!ORTE_PROC_IS_DAEMON &&
!ORTE_PROC_IS_TOOL) {
if (ORTE_SUCCESS != (rc = orte_routed_base_register_sync(false))) {
ORTE_ERROR_LOG(rc);
return rc;
}
}
/* destruct the global condition and lock */
OBJ_DESTRUCT(&cond);
OBJ_DESTRUCT(&lock);
lifeline = NULL;
return ORTE_SUCCESS;
}
static int delete_route(orte_process_name_t *proc)
{
int i;
orte_routed_jobfam_t *jfam;
uint16_t jfamily;
if (proc->jobid == ORTE_JOBID_INVALID ||
proc->vpid == ORTE_VPID_INVALID) {
return ORTE_ERR_BAD_PARAM;
}
/* if I am an application process, I don't have any routes
* so there is nothing for me to do
*/
if (!ORTE_PROC_IS_HNP && !ORTE_PROC_IS_DAEMON &&
!ORTE_PROC_IS_TOOL) {
return ORTE_SUCCESS;
}
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_binomial_delete_route for %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(proc)));
/* if this is from a different job family, then I need to
* look it up appropriately
*/
if (ORTE_JOB_FAMILY(proc->jobid) != ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid)) {
/* if I am a daemon, then I will automatically route
* anything to this job family via my HNP - so I have nothing
* in my routing table and thus have nothing to do
* here, just return
*/
if (ORTE_PROC_IS_DAEMON) {
return ORTE_SUCCESS;
}
/* see if this job family is present */
jfamily = ORTE_JOB_FAMILY(proc->jobid);
for (i=0; i < orte_routed_jobfams.size; i++) {
if (NULL == (jfam = (orte_routed_jobfam_t*)opal_pointer_array_get_item(&orte_routed_jobfams, i))) {
continue;
}
if (jfam->job_family == jfamily) {
OPAL_OUTPUT_VERBOSE((2, orte_routed_base_output,
"%s routed_binomial: deleting route to %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOB_FAMILY_PRINT(proc->jobid)));
opal_pointer_array_set_item(&orte_routed_jobfams, i, NULL);
OBJ_RELEASE(jfam);
return ORTE_SUCCESS;
}
}
/* not present - nothing to do */
return ORTE_SUCCESS;
}
/* THIS CAME FROM OUR OWN JOB FAMILY...there is nothing
* to do here. The routes will be redefined when we update
* the routing tree
*/
return ORTE_SUCCESS;
}
static int update_route(orte_process_name_t *target,
orte_process_name_t *route)
{
int i;
orte_routed_jobfam_t *jfam;
uint16_t jfamily;
if (target->jobid == ORTE_JOBID_INVALID ||
target->vpid == ORTE_VPID_INVALID) {
return ORTE_ERR_BAD_PARAM;
}
/* if I am an application process, we don't update the route since
* we automatically route everything through the local daemon
*/
if (ORTE_PROC_IS_APP) {
return ORTE_SUCCESS;
}
/* if the job family is zero, then this is going to a local slave,
* so the path is direct and there is nothing to do here
*/
if (0 == ORTE_JOB_FAMILY(target->jobid)) {
return ORTE_SUCCESS;
}
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear_update: %s --> %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(target),
ORTE_NAME_PRINT(route)));
/* if this is from a different job family, then I need to
* track how to send messages to it
*/
if (ORTE_JOB_FAMILY(target->jobid) != ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid)) {
/* if I am a daemon, then I will automatically route
* anything to this job family via my HNP - so nothing to do
* here, just return
*/
if (ORTE_PROC_IS_DAEMON) {
return ORTE_SUCCESS;
}
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear_update: diff job family routing job %s --> %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOBID_PRINT(target->jobid),
ORTE_NAME_PRINT(route)));
/* see if this target is already present */
jfamily = ORTE_JOB_FAMILY(target->jobid);
for (i=0; i < orte_routed_jobfams.size; i++) {
if (NULL == (jfam = (orte_routed_jobfam_t*)opal_pointer_array_get_item(&orte_routed_jobfams, i))) {
continue;
}
if (jfam->job_family == jfamily) {
OPAL_OUTPUT_VERBOSE((2, orte_routed_base_output,
"%s routed_linear: updating route to %s via %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOB_FAMILY_PRINT(target->jobid),
ORTE_NAME_PRINT(route)));
jfam->route.jobid = route->jobid;
jfam->route.vpid = route->vpid;
return ORTE_SUCCESS;
}
}
/* not there, so add the route FOR THE JOB FAMILY*/
OPAL_OUTPUT_VERBOSE((2, orte_routed_base_output,
"%s routed_linear: adding route to %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOB_FAMILY_PRINT(target->jobid)));
jfam = OBJ_NEW(orte_routed_jobfam_t);
jfam->job_family = jfamily;
jfam->route.jobid = route->jobid;
jfam->route.vpid = route->vpid;
opal_pointer_array_add(&orte_routed_jobfams, jfam);
return ORTE_SUCCESS;
}
/* THIS CAME FROM OUR OWN JOB FAMILY... */
opal_output(0, "%s CALL TO UPDATE ROUTE FOR OWN JOB FAMILY", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
return ORTE_ERR_NOT_SUPPORTED;
}
static orte_process_name_t get_route(orte_process_name_t *target)
{
orte_process_name_t *ret, daemon;
int i;
orte_routed_jobfam_t *jfam;
uint16_t jfamily;
/* if it is me, then the route is just direct */
if (OPAL_EQUAL == opal_dss.compare(ORTE_PROC_MY_NAME, target, ORTE_NAME)) {
ret = target;
goto found;
}
/* if I am an application process, always route via my local daemon */
if (ORTE_PROC_IS_APP) {
ret = ORTE_PROC_MY_DAEMON;
goto found;
}
/****** HNP AND DAEMONS ONLY ******/
/* if the job family is zero, then this is going to a local slave,
* so the path is direct
*/
if (0 == ORTE_JOB_FAMILY(target->jobid)) {
ret = target;
goto found;
}
/* IF THIS IS FOR A DIFFERENT JOB FAMILY... */
if (ORTE_JOB_FAMILY(target->jobid) != ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid)) {
/* if I am a daemon, route this via the HNP */
if (ORTE_PROC_IS_DAEMON) {
ret = ORTE_PROC_MY_HNP;
goto found;
}
/* if I am the HNP or a tool, then I stored a route to
* this job family, so look it up
*/
jfamily = ORTE_JOB_FAMILY(target->jobid);
for (i=0; i < orte_routed_jobfams.size; i++) {
if (NULL == (jfam = (orte_routed_jobfam_t*)opal_pointer_array_get_item(&orte_routed_jobfams, i))) {
continue;
}
if (jfam->job_family == jfamily) {
OPAL_OUTPUT_VERBOSE((2, orte_routed_base_output,
"%s routed_binomial: route to %s found",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOB_FAMILY_PRINT(target->jobid)));
ret = &jfam->route;
goto found;
}
}
/* not found - so we have no route */
ret = ORTE_NAME_INVALID;
goto found;
}
/* THIS CAME FROM OUR OWN JOB FAMILY... */
/* if we are not using static ports and this is going to the HNP, send direct */
if (!orte_static_ports &&
ORTE_PROC_MY_HNP->jobid == target->jobid &&
ORTE_PROC_MY_HNP->vpid == target->vpid) {
OPAL_OUTPUT_VERBOSE((2, orte_routed_base_output,
"%s routing not enabled - going direct",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
ret = target;
goto found;
}
daemon.jobid = ORTE_PROC_MY_NAME->jobid;
/* find out what daemon hosts this proc */
if (ORTE_VPID_INVALID == (daemon.vpid = orte_ess.proc_get_daemon(target))) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
ret = ORTE_NAME_INVALID;
goto found;
}
/* if the daemon is me, then send direct to the target! */
if (ORTE_PROC_MY_NAME->vpid == daemon.vpid) {
ret = target;
} else {
/* the linear routing tree is trivial - if the vpid is
* lower than mine, route through my parent, which is
* at my_vpid-1. If the vpid is higher than mine, then
* route to my_vpid+1, wrapping around to 0
*/
if (daemon.vpid < ORTE_PROC_MY_NAME->vpid) {
daemon.vpid = ORTE_PROC_MY_NAME->vpid - 1;
ret = &daemon;
} else {
if (ORTE_PROC_MY_NAME->vpid < orte_process_info.num_procs-1) {
daemon.vpid = ORTE_PROC_MY_NAME->vpid + 1;
} else {
/* we are at end of chain - wrap around */
daemon.vpid = 0;
}
ret = &daemon;
}
}
found:
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear_get(%s) --> %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(target),
ORTE_NAME_PRINT(ret)));
return *ret;
}
/* HANDLE ACK MESSAGES FROM AN HNP */
static void release_ack(int fd, short event, void *data)
{
orte_message_event_t *mev = (orte_message_event_t*)data;
ack_recvd = true;
OBJ_RELEASE(mev);
}
static void recv_ack(int status, orte_process_name_t* sender,
opal_buffer_t* buffer, orte_rml_tag_t tag,
void* cbdata)
{
/* don't process this right away - we need to get out of the recv before
* we process the message as it may ask us to do something that involves
* more messaging! Instead, setup an event so that the message gets processed
* as soon as we leave the recv.
*
* The macro makes a copy of the buffer, which we release above - the incoming
* buffer, however, is NOT released here, although its payload IS transferred
* to the message buffer for later processing
*/
ORTE_MESSAGE_EVENT(sender, buffer, tag, release_ack);
}
static int init_routes(orte_jobid_t job, opal_buffer_t *ndat)
{
/* the linear module routes all proc communications through
* the local daemon. Daemons must identify which of their
* daemon-peers is "hosting" the specified recipient and
* route the message to that daemon. Daemon contact info
* is handled elsewhere, so all we need to do here is
* ensure that the procs are told to route through their
* local daemon, and that daemons are told how to route
* for each proc
*/
int rc;
/* if I am a tool, then I stand alone - there is nothing to do */
if (ORTE_PROC_IS_TOOL) {
return ORTE_SUCCESS;
}
/* if I am a daemon or HNP, then I have to extract the routing info for this job
* from the data sent to me for launch and update the routing tables to
* point at the daemon for each proc
*/
if (ORTE_PROC_IS_DAEMON) {
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear: init routes for daemon job %s\n\thnp_uri %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOBID_PRINT(job),
(NULL == orte_process_info.my_hnp_uri) ? "NULL" : orte_process_info.my_hnp_uri));
if (NULL == ndat) {
/* indicates this is being called during orte_init.
* Get the HNP's name for possible later use
*/
if (NULL == orte_process_info.my_hnp_uri) {
/* fatal error */
ORTE_ERROR_LOG(ORTE_ERR_FATAL);
return ORTE_ERR_FATAL;
}
/* set the contact info into the hash table */
if (ORTE_SUCCESS != (rc = orte_rml.set_contact_info(orte_process_info.my_hnp_uri))) {
ORTE_ERROR_LOG(rc);
return(rc);
}
/* extract the hnp name and store it */
if (ORTE_SUCCESS != (rc = orte_rml_base_parse_uris(orte_process_info.my_hnp_uri,
ORTE_PROC_MY_HNP, NULL))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* set our lifeline to the the HNP - we will abort if that connection is lost */
lifeline = ORTE_PROC_MY_HNP;
/* daemons will send their contact info back to the HNP as
* part of the message confirming they are read to go. HNP's
* load their contact info during orte_init
*/
} else {
/* ndat != NULL means we are getting an update of RML info
* for the daemons - so update our contact info and routes
*/
if (ORTE_SUCCESS != (rc = orte_rml_base_update_contact_info(ndat))) {
ORTE_ERROR_LOG(rc);
}
return rc;
}
OPAL_OUTPUT_VERBOSE((2, orte_routed_base_output,
"%s routed_linear: completed init routes",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
return ORTE_SUCCESS;
}
if (ORTE_PROC_IS_HNP) {
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear: init routes for HNP job %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_JOBID_PRINT(job)));
if (NULL == ndat) {
/* the HNP has no lifeline */
lifeline = NULL;
} else {
/* if this is for my own jobid, then I am getting an update of RML info
* for the daemons - so update our contact info and routes
*/
if (ORTE_PROC_MY_NAME->jobid == job) {
if (ORTE_SUCCESS != (rc = orte_rml_base_update_contact_info(ndat))) {
ORTE_ERROR_LOG(rc);
return rc;
}
} else {
/* if not, then I need to process the callback */
if (ORTE_SUCCESS != (rc = orte_routed_base_process_callback(job, ndat))) {
ORTE_ERROR_LOG(rc);
return rc;
}
}
}
return ORTE_SUCCESS;
}
{ /* MUST BE A PROC */
/* if ndat != NULL, then this is being invoked by the proc to
* init a route to a specified process that is outside of our
* job family. We want that route to go through our HNP, routed via
* out local daemon - however, we cannot know for
* certain that the HNP already knows how to talk to the specified
* procs. For example, in OMPI's publish/subscribe procedures, the
* DPM framework looks for an mca param containing the global ompi-server's
* uri. This info will come here so the proc can setup a route to
* the server - we need to pass the routing info to our HNP
*/
if (NULL != ndat) {
int rc;
opal_buffer_t xfer;
orte_rml_cmd_flag_t cmd=ORTE_RML_UPDATE_CMD;
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear: init routes w/non-NULL data",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* if this is for a job family of zero, then we know that the enclosed
* procs are local slaves to our daemon. In that case, we can just ignore this
* as our daemon - given that it had to spawn the local slave - already
* knows how to talk to them
*/
if (0 == ORTE_JOB_FAMILY(job)) {
return ORTE_SUCCESS;
}
if (ORTE_JOB_FAMILY(ORTE_PROC_MY_NAME->jobid) != ORTE_JOB_FAMILY(job)) {
/* if this is for a different job family, then we route via our HNP
* to minimize connection counts to entities such as ompi-server, so
* start by sending the contact info to the HNP for update
*/
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear_init_routes: diff job family - sending update to %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(ORTE_PROC_MY_HNP)));
/* prep the buffer for transmission to the HNP */
OBJ_CONSTRUCT(&xfer, opal_buffer_t);
opal_dss.pack(&xfer, &cmd, 1, ORTE_RML_CMD);
opal_dss.copy_payload(&xfer, ndat);
/* save any new connections for use in subsequent connect_accept calls */
orte_routed_base_update_hnps(ndat);
if (0 > (rc = orte_rml.send_buffer(ORTE_PROC_MY_HNP, &xfer,
ORTE_RML_TAG_RML_INFO_UPDATE, 0))) {
ORTE_ERROR_LOG(rc);
OBJ_DESTRUCT(&xfer);
return rc;
}
OBJ_DESTRUCT(&xfer);
/* wait right here until the HNP acks the update to ensure that
* any subsequent messaging can succeed
*/
ack_recvd = false;
rc = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, ORTE_RML_TAG_UPDATE_ROUTE_ACK,
ORTE_RML_NON_PERSISTENT, recv_ack, NULL);
ORTE_PROGRESSED_WAIT(ack_recvd, 0, 1);
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear_init_routes: ack recvd",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
/* our get_route function automatically routes all messages for
* other job families via the HNP, so nothing more to do here
*/
}
return ORTE_SUCCESS;
}
/* if ndat=NULL, then we are being called during orte_init. In this
* case, we need to setup a few critical pieces of info
*/
OPAL_OUTPUT_VERBOSE((1, orte_routed_base_output,
"%s routed_linear: init routes for proc job %s\n\thnp_uri %s\n\tdaemon uri %s",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ORTE_JOBID_PRINT(job),
(NULL == orte_process_info.my_hnp_uri) ? "NULL" : orte_process_info.my_hnp_uri,
(NULL == orte_process_info.my_daemon_uri) ? "NULL" : orte_process_info.my_daemon_uri));
if (NULL == orte_process_info.my_daemon_uri) {
/* in this module, we absolutely MUST have this information - if
* we didn't get it, then error out
*/
opal_output(0, "%s ERROR: Failed to identify the local daemon's URI",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
opal_output(0, "%s ERROR: This is a fatal condition when the linear router",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
opal_output(0, "%s ERROR: has been selected - either select the unity router",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
opal_output(0, "%s ERROR: or ensure that the local daemon info is provided",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
return ORTE_ERR_FATAL;
}
/* we have to set the HNP's name, even though we won't route messages directly
* to it. This is required to ensure that we -do- send messages to the correct
* HNP name
*/
if (ORTE_SUCCESS != (rc = orte_rml_base_parse_uris(orte_process_info.my_hnp_uri,
ORTE_PROC_MY_HNP, NULL))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* Set the contact info in the RML - this won't actually establish
* the connection, but just tells the RML how to reach the daemon
* if/when we attempt to send to it
*/
if (ORTE_SUCCESS != (rc = orte_rml.set_contact_info(orte_process_info.my_daemon_uri))) {
ORTE_ERROR_LOG(rc);
return(rc);
}
/* extract the daemon's name so we can update the routing table */
if (ORTE_SUCCESS != (rc = orte_rml_base_parse_uris(orte_process_info.my_daemon_uri,
ORTE_PROC_MY_DAEMON, NULL))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* set our lifeline to the local daemon - we will abort if this connection is lost */
lifeline = ORTE_PROC_MY_DAEMON;
/* register ourselves -this sends a message to the daemon (warming up that connection)
* and sends our contact info to the HNP when all local procs have reported
*
* NOTE: it may seem odd that we send our contact info to the HNP - after all,
* the HNP doesn't really need to know how to talk to us directly if we are
* using this routing method. However, this is good for two reasons:
*
* (1) some debuggers and/or tools may need RML contact
* info to set themselves up
*
* (2) doing so allows the HNP to "block" in a dynamic launch
* until all procs are reported running, thus ensuring that no communication
* is attempted until the overall ORTE system knows how to talk to everyone -
* otherwise, the system can just hang.
*/
if (ORTE_SUCCESS != (rc = orte_routed_base_register_sync(true))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* no answer is expected or coming */
return ORTE_SUCCESS;
}
}
static int route_lost(const orte_process_name_t *route)
{
/* if we lose the connection to the lifeline and we are NOT already,
* in finalize, tell the OOB to abort.
* NOTE: we cannot call abort from here as the OOB needs to first
* release a thread-lock - otherwise, we will hang!!
*/
if (!orte_finalizing &&
NULL != lifeline &&
OPAL_EQUAL == orte_util_compare_name_fields(ORTE_NS_CMP_ALL, route, lifeline)) {
opal_output(0, "%s routed:linear: Connection to lifeline %s lost",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(lifeline));
return ORTE_ERR_FATAL;
}
/* we don't care about this one, so return success */
return ORTE_SUCCESS;
}
static bool route_is_defined(const orte_process_name_t *target)
{
/* find out what daemon hosts this proc */
if (ORTE_VPID_INVALID == orte_ess.proc_get_daemon((orte_process_name_t*)target)) {
return false;
}
return true;
}
static int set_lifeline(orte_process_name_t *proc)
{
/* we have to copy the proc data because there is no
* guarantee that it will be preserved
*/
local_lifeline.jobid = proc->jobid;
local_lifeline.vpid = proc->vpid;
lifeline = &local_lifeline;
return ORTE_SUCCESS;
}
static int update_routing_tree(void)
{
/* if I am anything other than a daemon or the HNP, this
* is a meaningless command as I am not allowed to route
*/
if (!ORTE_PROC_IS_DAEMON && !ORTE_PROC_IS_HNP) {
return ORTE_ERR_NOT_SUPPORTED;
}
/* nothing to do here as the routing tree is fixed */
return ORTE_SUCCESS;
}
static orte_vpid_t get_routing_tree(opal_list_t *children)
{
orte_routed_tree_t *nm;
orte_vpid_t v;
/* if I am anything other than a daemon or the HNP, this
* is a meaningless command as I am not allowed to route
*/
if (!ORTE_PROC_IS_DAEMON && !ORTE_PROC_IS_HNP) {
return ORTE_VPID_INVALID;
}
/* the linear routing tree consists of a chain of daemons
* extending from the HNP to orte_process_info.num_procs-1.
* Accordingly, my child is just the my_vpid+1 daemon
*/
if (NULL != children &&
ORTE_PROC_MY_NAME->vpid < orte_process_info.num_procs-1) {
/* my child is just the vpid+1 daemon */
nm = OBJ_NEW(orte_routed_tree_t);
opal_bitmap_init(&nm->relatives, orte_process_info.num_procs);
nm->vpid = ORTE_PROC_MY_NAME->vpid + 1;
/* my relatives are everyone above that point */
for (v=nm->vpid+1; v < orte_process_info.num_procs; v++) {
opal_bitmap_set_bit(&nm->relatives, v);
}
opal_list_append(children, &nm->super);
}
if (ORTE_PROC_IS_HNP) {
/* the parent of the HNP is invalid */
return ORTE_VPID_INVALID;
}
/* my parent is the my_vpid-1 daemon */
return (ORTE_PROC_MY_NAME->vpid - 1);
}
static int get_wireup_info(opal_buffer_t *buf)
{
int rc;
int i;
orte_routed_jobfam_t *jfam;
if (ORTE_PROC_IS_HNP) {
/* if we are not using static ports, then we need to share the
* comm info - otherwise, just return
*/
if (orte_static_ports) {
return ORTE_SUCCESS;
}
if (ORTE_SUCCESS != (rc = orte_rml_base_get_contact_info(ORTE_PROC_MY_NAME->jobid, buf))) {
ORTE_ERROR_LOG(rc);
}
return rc;
}
/* if I am an application, this is occurring during connect_accept.
* We need to return the stored information of other HNPs we
* know about, if any
*/
if (ORTE_PROC_IS_APP) {
for (i=0; i < orte_routed_jobfams.size; i++) {
if (NULL != (jfam = (orte_routed_jobfam_t*)opal_pointer_array_get_item(&orte_routed_jobfams, i))) {
opal_dss.pack(buf, &(jfam->hnp_uri), 1, OPAL_STRING);
}
}
return ORTE_SUCCESS;
}
return ORTE_SUCCESS;
}
static size_t num_routes(void)
{
return 0;
}
#if OPAL_ENABLE_FT_CR == 1
static int linear_ft_event(int state)
{
int ret, exit_status = ORTE_SUCCESS;
/******** Checkpoint Prep ********/
if(OPAL_CRS_CHECKPOINT == state) {
}
/******** Continue Recovery ********/
else if (OPAL_CRS_CONTINUE == state ) {
}
/******** Restart Recovery ********/
else if (OPAL_CRS_RESTART == state ) {
/*
* Re-exchange the routes
*/
if (ORTE_SUCCESS != (ret = orte_routed.init_routes(ORTE_PROC_MY_NAME->jobid, NULL))) {
exit_status = ret;
goto cleanup;
}
}
else if (OPAL_CRS_TERM == state ) {
/* Nothing */
}
else {
/* Error state = Nothing */
}
cleanup:
return exit_status;
}
#endif