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openmpi/orte/mca/iof/proxy/iof_proxy.c
Ralph Castain d70e2e8c2b Merge the ORTE devel branch into the main trunk. Details of what this means will be circulated separately.
Remains to be tested to ensure everything came over cleanly, so please continue to withhold commits a little longer

This commit was SVN r17632.
2008-02-28 01:57:57 +00:00

374 строки
9.6 KiB
C

/*
* Copyright (c) 2004-2007 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 (c) 2007 Cisco, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/constants.h"
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#ifdef HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#include "opal/util/output.h"
#include "orte/mca/iof/iof.h"
#include "orte/mca/rml/rml.h"
#include "orte/mca/rml/rml_types.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/util/name_fns.h"
#include "orte/runtime/orte_globals.h"
#include "orte/mca/iof/iof.h"
#include "orte/mca/iof/base/base.h"
#include "orte/mca/iof/base/iof_base_endpoint.h"
#include "iof_proxy.h"
#include "iof_proxy_svc.h"
orte_iof_base_module_t orte_iof_proxy_module = {
orte_iof_proxy_publish,
orte_iof_proxy_unpublish,
orte_iof_proxy_subscribe,
orte_iof_proxy_unsubscribe,
orte_iof_proxy_push,
orte_iof_proxy_pull,
orte_iof_base_flush,
orte_iof_proxy_finalize,
orte_iof_proxy_ft_event
};
/*
* Finalize module; nothing to do
*/
int orte_iof_proxy_finalize(void )
{
return ORTE_SUCCESS;
}
/**
* Create an endpoint for a local file descriptor and "publish" it
* under the name of the origin process. If the publish mode is a
* SINK, then create a publication entry for it so that incoming
* messages can be forwarded to it.
*
* SOURCEs do not need to create publication records because a) the
* endpoint will automatically wake up the event engine and read off
* the fd whenever there is data available, and b) this data is then
* automatically sent to the iof svc component for possible
* forwarding.
*/
int orte_iof_proxy_publish(
const orte_process_name_t* origin,
orte_iof_base_mode_t mode,
orte_iof_base_tag_t tag,
int fd)
{
int rc;
if (orte_iof_base.iof_output >= 0) {
char* name_str;
orte_util_convert_process_name_to_string(&name_str, origin);
opal_output(orte_iof_base.iof_output,
"orte_iof_proxy_publish(%s,%d,%d,%d)\n",
name_str, mode, tag, fd);
free(name_str);
}
rc = orte_iof_base_endpoint_create(
origin,
mode,
tag,
fd);
if (ORTE_SUCCESS != rc) {
return rc;
}
/* publish to server */
if (ORTE_IOF_SINK == mode) {
rc = orte_iof_proxy_svc_publish(origin, tag);
if (rc != ORTE_SUCCESS) {
return rc;
}
}
return ORTE_SUCCESS;
}
/**
* Remove all registrations matching the specified origin process
* name, mask and tag values.
*/
int orte_iof_proxy_unpublish(
const orte_process_name_t* origin,
orte_ns_cmp_bitmask_t mask,
orte_iof_base_tag_t tag)
{
int rc;
#if 0
{
int i = 0;
opal_output(orte_iof_base.iof_output, "%s orted: ******** ABOUT TO IOF PROXY UNPUBLISH, %d", ORTE_NAME_PRINT(orte_process_info.my_name), getpid());
fflush(stderr);
while (0 == i) sleep(5);
}
#endif
/* cleanup server */
orte_iof_proxy_svc_unpublish(
origin,
mask,
tag);
/* delete local endpoint. Note that the endpoint may have already
been deleted (e.g., if some entity noticed that the fd closed
and called orte_iof_base_endpoint_delete on the corresopnding
endpoint already). So if we get NOT_FOUND, ignore that error
-- the end result is what we want: the endpoint is deleted when
we return. */
rc = orte_iof_base_endpoint_delete(
origin,
mask,
tag);
if (ORTE_ERR_NOT_FOUND == rc || ORTE_SUCCESS == rc) {
return ORTE_SUCCESS;
} else {
return rc;
}
}
/**
* Explicitly push data from the specified file descriptor
* to the indicated SINK set of peers.
*/
int orte_iof_proxy_push(
const orte_process_name_t* sink_name,
orte_ns_cmp_bitmask_t sink_mask,
orte_iof_base_tag_t sink_tag,
int fd)
{
int rc;
/* setup a local endpoint to reflect registration. Do this before
we send the subscription to the server in case a callback
occurs *while* we are sending the subscription request. */
rc = orte_iof_base_endpoint_create(
ORTE_PROC_MY_NAME,
ORTE_IOF_SOURCE,
sink_tag,
fd);
if (ORTE_SUCCESS != rc) {
return rc;
}
/* send a subscription to server on behalf of the destination */
rc = orte_iof_proxy_svc_subscribe(
ORTE_PROC_MY_NAME,
ORTE_NS_CMP_ALL,
sink_tag,
sink_name,
sink_mask,
sink_tag
);
return rc;
}
/**
* Explicitly pull data from the specified set of SOURCE peers and
* dump to the indicated file descriptor.
*/
int orte_iof_proxy_pull(
const orte_process_name_t* source_name,
orte_ns_cmp_bitmask_t source_mask,
orte_iof_base_tag_t source_tag,
int fd)
{
/* setup a local endpoint */
int rc;
rc = orte_iof_base_endpoint_create(
ORTE_PROC_MY_NAME,
ORTE_IOF_SINK,
source_tag,
fd);
if (ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* publish this endpoint */
rc = orte_iof_proxy_svc_publish(
ORTE_PROC_MY_NAME,
source_tag);
if (ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* subscribe to peer */
rc = orte_iof_proxy_svc_subscribe(
source_name,
source_mask,
source_tag,
ORTE_PROC_MY_NAME,
ORTE_NS_CMP_ALL,
source_tag);
if (ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
return rc;
}
/*
* Subscribe to receive a callback on receipt of data
* from a specified set of origin peers.
*/
int orte_iof_proxy_subscribe(
const orte_process_name_t* origin_name,
orte_ns_cmp_bitmask_t origin_mask,
orte_iof_base_tag_t origin_tag,
orte_iof_base_callback_fn_t cbfunc,
void* cbdata)
{
int rc;
/* create a local registration to reflect the callback */
rc = orte_iof_base_callback_create(ORTE_PROC_MY_NAME,origin_tag,cbfunc,cbdata);
if (ORTE_SUCCESS != rc) {
return rc;
}
/* send a subscription message to the service */
rc = orte_iof_proxy_svc_subscribe(
origin_name,
origin_mask,
origin_tag,
ORTE_PROC_MY_NAME,
ORTE_NS_CMP_ALL,
origin_tag);
return rc;
}
/*
* Remove a subscription
*/
int orte_iof_proxy_unsubscribe(
const orte_process_name_t* origin_name,
orte_ns_cmp_bitmask_t origin_mask,
orte_iof_base_tag_t origin_tag)
{
int rc;
/* send an unsubscribe message to the service */
rc = orte_iof_proxy_svc_unsubscribe(
origin_name,
origin_mask,
origin_tag,
ORTE_PROC_MY_NAME,
ORTE_NS_CMP_ALL,
origin_tag);
if (ORTE_SUCCESS != rc) {
return rc;
}
/* remove local callback */
return orte_iof_base_callback_delete(ORTE_PROC_MY_NAME,origin_tag);
}
/*
* FT event
*/
int orte_iof_proxy_ft_event(int state) {
int ret, exit_status = ORTE_SUCCESS;
if(OPAL_CRS_CHECKPOINT == state) {
/*
* Flush
*/
if( ORTE_SUCCESS != (ret = orte_iof_base_flush() ) ) {
return ret;
}
/*
* Stop receiving events
*/
orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_IOF_SVC);
}
else if(OPAL_CRS_CONTINUE == state) {
/*
* Restart Receiving events
*/
if(ORTE_SUCCESS != (ret = orte_rml.recv_nb(
ORTE_NAME_WILDCARD,
mca_iof_proxy_component.proxy_iov,
1,
ORTE_RML_TAG_IOF_SVC,
ORTE_RML_ALLOC|ORTE_RML_PERSISTENT,
orte_iof_proxy_svc_recv,
NULL
) ) ) {
exit_status = ret;
goto cleanup;
}
}
else if(OPAL_CRS_RESTART == state) {
/*
* Restart Receiving events
*/
if(ORTE_SUCCESS != (ret = orte_rml.recv_nb(
ORTE_NAME_WILDCARD,
mca_iof_proxy_component.proxy_iov,
1,
ORTE_RML_TAG_IOF_SVC,
ORTE_RML_ALLOC|ORTE_RML_PERSISTENT,
orte_iof_proxy_svc_recv,
NULL
) ) ) {
exit_status = ret;
goto cleanup;
}
}
else if(OPAL_CRS_TERM == state ) {
;
}
else {
;
}
cleanup:
return exit_status;
}