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openmpi/ompi/mca/pml/base/pml_base_module_exchange.c
George Bosilca 6fc16516cc orte_std_cntr_t vs. size_t round 3. I back up this one as it
wasn't suppose to be committed (and because it's wrong).

This commit was SVN r11318.
2006-08-22 15:15:09 +00:00

712 строки
23 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/proc/proc.h"
#include "opal/threads/condition.h"
#include "opal/util/output.h"
#include "orte/util/proc_info.h"
#include "orte/dss/dss.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/rml/rml.h"
#include "orte/mca/schema/schema.h"
#include "orte/mca/gpr/gpr.h"
#include "orte/mca/gpr/base/base.h"
#include "orte/mca/ns/ns.h"
#include "ompi/constants.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/mca/pml/base/pml_base_module_exchange.h"
/**
*
*/
struct mca_pml_base_modex_cb_t {
opal_list_item_t super;
mca_base_component_t* component;
mca_pml_base_modex_cb_fn_t cbfunc;
void* cbdata;
};
typedef struct mca_pml_base_modex_cb_t mca_pml_base_modex_cb_t;
OBJ_CLASS_INSTANCE(
mca_pml_base_modex_cb_t,
opal_list_item_t,
NULL,
NULL
);
/**
* mca_pml_base_modex_module_t
*
* Data for a specic proc and module.
*/
struct mca_pml_base_modex_module_t {
opal_list_item_t super;
mca_base_component_t component;
void *module_data;
size_t module_data_size;
bool module_data_avail;
opal_list_t module_cbs;
opal_condition_t module_data_cond;
};
typedef struct mca_pml_base_modex_module_t mca_pml_base_modex_module_t;
static void mca_pml_base_modex_module_construct(mca_pml_base_modex_module_t *module)
{
OBJ_CONSTRUCT(&module->module_data_cond, opal_condition_t);
OBJ_CONSTRUCT(&module->module_cbs, opal_list_t);
memset(&module->component, 0, sizeof(module->component));
module->module_data = NULL;
module->module_data_size = 0;
module->module_data_avail = false;
}
static void mca_pml_base_modex_module_destruct(mca_pml_base_modex_module_t *module)
{
OBJ_DESTRUCT(&module->module_data_cond);
}
OBJ_CLASS_INSTANCE(
mca_pml_base_modex_module_t,
opal_list_item_t,
mca_pml_base_modex_module_construct,
mca_pml_base_modex_module_destruct
);
/**
* mca_pml_base_modex_t
*
* List of modules (mca_pml_base_modex_module_t) for which data has been
* received from peers.
*/
struct mca_pml_base_modex_t {
opal_object_t super;
opal_list_t modex_modules;
};
typedef struct mca_pml_base_modex_t mca_pml_base_modex_t;
static void mca_pml_base_modex_construct(mca_pml_base_modex_t* modex)
{
OBJ_CONSTRUCT(&modex->modex_modules, opal_list_t);
}
static void mca_pml_base_modex_destruct(mca_pml_base_modex_t* modex)
{
OBJ_DESTRUCT(&modex->modex_modules);
}
OBJ_CLASS_INSTANCE(
mca_pml_base_modex_t,
opal_object_t,
mca_pml_base_modex_construct,
mca_pml_base_modex_destruct
);
/**
* mca_pml_base_modex_subscription_t
*
* Track segments we have subscribed to.
*/
struct mca_pml_base_modex_subscription_t {
opal_list_item_t item;
orte_jobid_t jobid;
};
typedef struct mca_pml_base_modex_subscription_t mca_pml_base_modex_subscription_t;
OBJ_CLASS_INSTANCE(
mca_pml_base_modex_subscription_t,
opal_list_item_t,
NULL,
NULL);
/**
* Globals to track the list of subscriptions.
*/
static opal_list_t mca_pml_base_modex_subscriptions;
static opal_mutex_t mca_pml_base_modex_lock;
/**
* Initialize global state.
*/
int mca_pml_base_modex_init(void)
{
OBJ_CONSTRUCT(&mca_pml_base_modex_subscriptions, opal_list_t);
OBJ_CONSTRUCT(&mca_pml_base_modex_lock, opal_mutex_t);
return OMPI_SUCCESS;
}
/**
* Cleanup global state.
*/
int mca_pml_base_modex_finalize(void)
{
opal_list_item_t *item;
while(NULL != (item = opal_list_remove_first(&mca_pml_base_modex_subscriptions)))
OBJ_RELEASE(item);
OBJ_DESTRUCT(&mca_pml_base_modex_subscriptions);
return OMPI_SUCCESS;
}
/**
* Look to see if there is any data associated with a specified module.
*/
static mca_pml_base_modex_module_t* mca_pml_base_modex_lookup_module(
mca_pml_base_modex_t* modex,
mca_base_component_t* component)
{
mca_pml_base_modex_module_t* modex_module;
for(modex_module = (mca_pml_base_modex_module_t*)opal_list_get_first(&modex->modex_modules);
modex_module != (mca_pml_base_modex_module_t*)opal_list_get_end(&modex->modex_modules);
modex_module = (mca_pml_base_modex_module_t*)opal_list_get_next(modex_module)) {
if(mca_base_component_compatible(&modex_module->component, component) == 0) {
return modex_module;
}
}
return NULL;
}
/**
* Create a placeholder for data associated with the specified module.
*/
static mca_pml_base_modex_module_t* mca_pml_base_modex_create_module(
mca_pml_base_modex_t* modex,
mca_base_component_t* component)
{
mca_pml_base_modex_module_t* modex_module;
if(NULL == (modex_module = mca_pml_base_modex_lookup_module(modex, component))) {
modex_module = OBJ_NEW(mca_pml_base_modex_module_t);
if(NULL != modex_module) {
modex_module->component = *component;
opal_list_append(&modex->modex_modules, (opal_list_item_t*)modex_module);
}
}
return modex_module;
}
/**
* Callback for registry notifications.
*/
static void mca_pml_base_modex_registry_callback(
orte_gpr_notify_data_t* data,
void* cbdata)
{
orte_std_cntr_t i, j, k;
orte_gpr_value_t **values, *value;
orte_gpr_keyval_t **keyval;
ompi_proc_t *proc;
ompi_proc_t **new_procs = NULL;
size_t new_proc_count = 0;
char **token;
orte_process_name_t *proc_name;
mca_pml_base_modex_t *modex;
mca_pml_base_modex_module_t *modex_module;
mca_base_component_t component;
bool isnew = false;
int rc;
if(data->cnt) {
new_procs = (ompi_proc_t**)malloc(sizeof(ompi_proc_t*) * data->cnt);
if(NULL == new_procs) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return;
}
}
/* process the callback */
values = (orte_gpr_value_t**)(data->values)->addr;
for (i=0, k=0; k < data->cnt &&
i < (data->values)->size; i++) {
if (NULL != values[i]) {
k++;
value = values[i];
if (0 < value->cnt) { /* needs to be at least one keyval */
/*
* Token for the value should be the process name - look it up
*/
token = value->tokens;
if (ORTE_SUCCESS == orte_ns.convert_string_to_process_name(&proc_name, token[0])) {
proc = ompi_proc_find_and_add(proc_name, &isnew);
if(NULL == proc)
continue;
if(isnew) {
new_procs[new_proc_count] = proc;
new_proc_count++;
}
/*
* Lookup the modex data structure.
*/
OPAL_THREAD_LOCK(&proc->proc_lock);
if(NULL == (modex = (mca_pml_base_modex_t*)proc->proc_modex)) {
modex = OBJ_NEW(mca_pml_base_modex_t);
if(NULL == modex) {
opal_output(0, "mca_pml_base_modex_registry_callback: unable to allocate mca_pml_base_modex_t\n");
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return;
}
proc->proc_modex = &modex->super;
}
/*
* Extract the component name and version from the keyval object's key
* Could be multiple keyvals returned since there is one for each
* component type/name/version - process them all
*/
keyval = value->keyvals;
for (j=0; j < value->cnt; j++) {
orte_buffer_t buffer;
opal_list_item_t* item;
char *ptr;
void* bytes = NULL;
orte_std_cntr_t cnt;
size_t num_bytes;
orte_byte_object_t *bo;
if(strcmp(keyval[j]->key,OMPI_MODEX_KEY) != 0)
continue;
OBJ_CONSTRUCT(&buffer, orte_buffer_t);
if (ORTE_SUCCESS != (rc = orte_dss.get((void**)&bo, keyval[j]->value, ORTE_BYTE_OBJECT))) {
ORTE_ERROR_LOG(rc);
continue;
}
if (ORTE_SUCCESS != (rc = orte_dss.load(&buffer, bo->bytes, bo->size))) {
ORTE_ERROR_LOG(rc);
continue;
}
cnt = 1;
if (ORTE_SUCCESS != (rc = orte_dss.unpack(&buffer, &ptr, &cnt, ORTE_STRING))) {
ORTE_ERROR_LOG(rc);
continue;
}
strcpy(component.mca_type_name,ptr);
free(ptr);
cnt = 1;
if (ORTE_SUCCESS != (rc = orte_dss.unpack(&buffer, &ptr, &cnt, ORTE_STRING))) {
ORTE_ERROR_LOG(rc);
continue;
}
strcpy(component.mca_component_name,ptr);
free(ptr);
cnt = 1;
if (ORTE_SUCCESS != (rc = orte_dss.unpack(&buffer,
&component.mca_component_major_version, &cnt, ORTE_INT32))) {
ORTE_ERROR_LOG(rc);
continue;
}
cnt = 1;
if (ORTE_SUCCESS != (rc = orte_dss.unpack(&buffer,
&component.mca_component_minor_version, &cnt, ORTE_INT32))) {
ORTE_ERROR_LOG(rc);
continue;
}
cnt = 1;
if (ORTE_SUCCESS != (rc = orte_dss.unpack(&buffer,
&num_bytes, &cnt, ORTE_SIZE))) {
ORTE_ERROR_LOG(rc);
continue;
}
if (num_bytes != 0) {
if(NULL == (bytes = malloc(num_bytes))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
continue;
}
cnt = (orte_std_cntr_t)num_bytes;
if (ORTE_SUCCESS != (rc = orte_dss.unpack(&buffer, bytes, &cnt, ORTE_BYTE))) {
ORTE_ERROR_LOG(rc);
continue;
}
num_bytes = cnt;
} else {
bytes = NULL;
}
/*
* Lookup the corresponding modex structure
*/
if(NULL == (modex_module = mca_pml_base_modex_create_module(modex, &component))) {
opal_output(0, "mca_pml_base_modex_registry_callback: mca_pml_base_modex_create_module failed\n");
OBJ_RELEASE(data);
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return;
}
modex_module->module_data = bytes;
modex_module->module_data_size = num_bytes;
modex_module->module_data_avail = true;
opal_condition_signal(&modex_module->module_data_cond);
/* call any registered callbacks */
for(item = opal_list_get_first(&modex_module->module_cbs);
item != opal_list_get_end(&modex_module->module_cbs);
item = opal_list_get_next(item)) {
mca_pml_base_modex_cb_t* cb = (mca_pml_base_modex_cb_t*)item;
cb->cbfunc(cb->component, proc, bytes, num_bytes, cb->cbdata);
}
}
OPAL_THREAD_UNLOCK(&proc->proc_lock);
} /* convert string to process name */
} /* if value[i]->cnt > 0 */
}
}
/* pml add procs */
if(NULL != new_procs) {
if(new_proc_count > 0) {
MCA_PML_CALL(add_procs(new_procs, new_proc_count));
}
free(new_procs);
}
}
/**
* Make sure we have subscribed to this segment.
*/
static int mca_pml_base_modex_subscribe(orte_process_name_t* name)
{
char *segment, *sub_name, *trig_name;
orte_gpr_subscription_id_t sub_id;
orte_jobid_t jobid;
opal_list_item_t* item;
mca_pml_base_modex_subscription_t* subscription;
int rc;
/* check for an existing subscription */
OPAL_LOCK(&mca_pml_base_modex_lock);
if (!opal_list_is_empty(&mca_pml_base_modex_subscriptions)) {
for(item = opal_list_get_first(&mca_pml_base_modex_subscriptions);
item != opal_list_get_end(&mca_pml_base_modex_subscriptions);
item = opal_list_get_next(item)) {
subscription = (mca_pml_base_modex_subscription_t*)item;
if(subscription->jobid == name->jobid) {
OPAL_UNLOCK(&mca_pml_base_modex_lock);
return OMPI_SUCCESS;
}
}
}
OPAL_UNLOCK(&mca_pml_base_modex_lock);
/* otherwise - subscribe to get this jobid's contact info */
if (ORTE_SUCCESS != (rc = orte_ns.get_jobid(&jobid, name))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (ORTE_SUCCESS != (rc = orte_schema.get_std_subscription_name(&sub_name,
OMPI_MODEX_SUBSCRIPTION, jobid))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* attach to the stage-1 standard trigger */
if (ORTE_SUCCESS != (rc = orte_schema.get_std_trigger_name(&trig_name,
ORTE_STG1_TRIGGER, jobid))) {
ORTE_ERROR_LOG(rc);
free(sub_name);
return rc;
}
/* define the segment */
if (ORTE_SUCCESS != (rc = orte_schema.get_job_segment_name(&segment, jobid))) {
ORTE_ERROR_LOG(rc);
free(sub_name);
free(trig_name);
return rc;
}
if (jobid != orte_process_info.my_name->jobid) {
if (ORTE_SUCCESS != (rc = orte_gpr.subscribe_1(&sub_id, NULL, NULL,
ORTE_GPR_NOTIFY_ADD_ENTRY |
ORTE_GPR_NOTIFY_VALUE_CHG |
ORTE_GPR_NOTIFY_PRE_EXISTING,
ORTE_GPR_KEYS_OR | ORTE_GPR_TOKENS_OR,
segment,
NULL, /* look at all containers on this segment */
OMPI_MODEX_KEY,
mca_pml_base_modex_registry_callback, NULL))) {
ORTE_ERROR_LOG(rc);
free(sub_name);
free(trig_name);
free(segment);
return rc;
}
} else {
if (ORTE_SUCCESS != (rc = orte_gpr.subscribe_1(&sub_id, trig_name, sub_name,
ORTE_GPR_NOTIFY_ADD_ENTRY |
ORTE_GPR_NOTIFY_VALUE_CHG |
ORTE_GPR_NOTIFY_STARTS_AFTER_TRIG,
ORTE_GPR_KEYS_OR | ORTE_GPR_TOKENS_OR,
segment,
NULL, /* look at all containers on this segment */
OMPI_MODEX_KEY,
mca_pml_base_modex_registry_callback, NULL))) {
ORTE_ERROR_LOG(rc);
free(sub_name);
free(trig_name);
free(segment);
return rc;
}
}
free(sub_name);
free(trig_name);
free(segment);
/* add this jobid to our list of subscriptions */
OPAL_LOCK(&mca_pml_base_modex_lock);
subscription = OBJ_NEW(mca_pml_base_modex_subscription_t);
subscription->jobid = name->jobid;
opal_list_append(&mca_pml_base_modex_subscriptions, &subscription->item);
OPAL_UNLOCK(&mca_pml_base_modex_lock);
return OMPI_SUCCESS;
}
/**
* Store the data associated with the specified module in the
* gpr. Note that the gpr is in a mode where it caches
* individual puts during startup and sends them as an aggregate
* command.
*/
int mca_pml_base_modex_send(
mca_base_component_t *source_component,
const void *data,
size_t size)
{
orte_jobid_t jobid;
int rc;
orte_buffer_t buffer;
orte_std_cntr_t i, num_tokens;
char *ptr, *segment, **tokens;
orte_byte_object_t bo;
orte_data_value_t value = ORTE_DATA_VALUE_EMPTY;
if (ORTE_SUCCESS != (rc = orte_ns.get_jobid(&jobid, orte_process_info.my_name))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (ORTE_SUCCESS != (rc = orte_schema.get_job_segment_name(&segment, jobid))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if (ORTE_SUCCESS != (rc = orte_schema.get_proc_tokens(&tokens,
&num_tokens, orte_process_info.my_name))) {
ORTE_ERROR_LOG(rc);
free(segment);
return rc;
}
OBJ_CONSTRUCT(&buffer, orte_buffer_t);
ptr = source_component->mca_type_name;
if (ORTE_SUCCESS != (rc = orte_dss.pack(&buffer, &ptr, 1, ORTE_STRING))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
ptr = source_component->mca_component_name;
if (ORTE_SUCCESS != (rc = orte_dss.pack(&buffer, &ptr, 1, ORTE_STRING))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (ORTE_SUCCESS != (rc = orte_dss.pack(&buffer, &source_component->mca_component_major_version, 1, ORTE_INT32))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (ORTE_SUCCESS != (rc = orte_dss.pack(&buffer, &source_component->mca_component_minor_version, 1, ORTE_INT32))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (ORTE_SUCCESS != (rc = orte_dss.pack(&buffer, &size, 1, ORTE_SIZE))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
if (0 != size) {
if (ORTE_SUCCESS != (rc = orte_dss.pack(&buffer, (void*)data, size, ORTE_BYTE))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
}
if (ORTE_SUCCESS != (rc = orte_dss.unload(&buffer, (void**)&(bo.bytes), &(bo.size)))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
OBJ_DESTRUCT(&buffer);
/* setup the data_value structure to hold the byte object */
if (ORTE_SUCCESS != (rc = orte_dss.set(&value, (void*)&bo, ORTE_BYTE_OBJECT))) {
ORTE_ERROR_LOG(rc);
goto cleanup;
}
rc = orte_gpr.put_1(ORTE_GPR_TOKENS_AND | ORTE_GPR_KEYS_OR,
segment, tokens, OMPI_MODEX_KEY, &value);
cleanup:
free(segment);
for (i=0; i < num_tokens; i++) {
free(tokens[i]);
tokens[i] = NULL;
}
if (NULL != tokens) free(tokens);
return rc;
}
/**
* Retreive the data for the specified module from the source process.
*/
int mca_pml_base_modex_recv(
mca_base_component_t *component,
ompi_proc_t *proc,
void **buffer,
size_t *size)
{
mca_pml_base_modex_t* modex;
mca_pml_base_modex_module_t* modex_module;
/* check the proc for cached data */
OPAL_THREAD_LOCK(&proc->proc_lock);
if(NULL == (modex = (mca_pml_base_modex_t*)proc->proc_modex)) {
modex = OBJ_NEW(mca_pml_base_modex_t);
if(modex == NULL) {
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return OMPI_ERR_OUT_OF_RESOURCE;
}
proc->proc_modex = &modex->super;
/* verify that we have subscribed to this segment */
OPAL_THREAD_UNLOCK(&proc->proc_lock);
mca_pml_base_modex_subscribe(&proc->proc_name);
OPAL_THREAD_LOCK(&proc->proc_lock);
}
/* lookup/create the module */
if(NULL == (modex_module = mca_pml_base_modex_create_module(modex, component))) {
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return OMPI_ERR_OUT_OF_RESOURCE;
}
/* wait until data is available */
while(modex_module->module_data_avail == false) {
opal_condition_wait(&modex_module->module_data_cond, &proc->proc_lock);
}
/* copy the data out to the user */
if(modex_module->module_data_size == 0) {
*buffer = NULL;
*size = 0;
} else {
void *copy = malloc(modex_module->module_data_size);
if(copy == NULL) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
memcpy(copy, modex_module->module_data, modex_module->module_data_size);
*buffer = copy;
*size = modex_module->module_data_size;
}
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return OMPI_SUCCESS;
}
/**
*
*/
int mca_pml_base_modex_recv_nb(
mca_base_component_t *component,
ompi_proc_t *proc,
mca_pml_base_modex_cb_fn_t cbfunc,
void *cbdata)
{
mca_pml_base_modex_t* modex;
mca_pml_base_modex_module_t* module;
mca_pml_base_modex_cb_t* cb;
/* check the proc for existing modex */
OPAL_THREAD_LOCK(&proc->proc_lock);
if(NULL == (modex = (mca_pml_base_modex_t*)proc->proc_modex)) {
modex = OBJ_NEW(mca_pml_base_modex_t);
if(modex == NULL) {
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return OMPI_ERR_OUT_OF_RESOURCE;
}
proc->proc_modex = &modex->super;
/* verify that we have subscribed to this segment */
OPAL_THREAD_UNLOCK(&proc->proc_lock);
mca_pml_base_modex_subscribe(&proc->proc_name);
OPAL_THREAD_LOCK(&proc->proc_lock);
}
/* lookup/create the module */
if(NULL == (module = mca_pml_base_modex_create_module(modex, component))) {
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return OMPI_ERR_OUT_OF_RESOURCE;
}
/* register the callback */
cb = OBJ_NEW(mca_pml_base_modex_cb_t);
cb->component = component;
cb->cbfunc = cbfunc;
cb->cbdata = cbdata;
opal_list_append(&module->module_cbs, (opal_list_item_t*)cb);
OPAL_THREAD_UNLOCK(&proc->proc_lock);
return OMPI_SUCCESS;
}
/**
* Subscribe to the segment corresponding
* to this job.
*/
int mca_pml_base_modex_exchange(void)
{
return mca_pml_base_modex_subscribe(orte_process_info.my_name);
}