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openmpi/orte/mca/rml/base/rml_base_receive.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

115 строки
3.0 KiB
C

/* -*- 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 (c) 2007 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/** @file:
*
*/
/*
* includes
*/
#include "orte_config.h"
#include "orte/constants.h"
#include "orte/types.h"
#include "opal/dss/dss.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/runtime/orte_globals.h"
#include "orte/mca/rml/rml.h"
#include "orte/mca/rml/base/base.h"
#include "orte/mca/rml/base/rml_contact.h"
static bool recv_issued=false;
static void orte_rml_base_recv(int status, orte_process_name_t* sender,
opal_buffer_t* buffer, orte_rml_tag_t tag,
void* cbdata);
int orte_rml_base_comm_start(void)
{
int rc;
if (recv_issued) {
return ORTE_SUCCESS;
}
if (ORTE_SUCCESS != (rc = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD,
ORTE_RML_TAG_RML_INFO_UPDATE,
ORTE_RML_PERSISTENT,
orte_rml_base_recv,
NULL))) {
ORTE_ERROR_LOG(rc);
}
recv_issued = true;
return rc;
}
int orte_rml_base_comm_stop(void)
{
int rc;
if (!recv_issued) {
return ORTE_SUCCESS;
}
if (ORTE_SUCCESS != (rc = orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_RML_INFO_UPDATE))) {
ORTE_ERROR_LOG(rc);
}
recv_issued = false;
return rc;
}
/*
* handle message from proxies
* NOTE: The incoming buffer "buffer" is OBJ_RELEASED by the calling program.
* DO NOT RELEASE THIS BUFFER IN THIS CODE
*/
static void
orte_rml_base_recv(int status, orte_process_name_t* sender,
opal_buffer_t* buffer, orte_rml_tag_t tag,
void* cbdata)
{
orte_rml_cmd_flag_t command;
orte_std_cntr_t count;
int rc;
count = 1;
if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &command, &count, ORTE_RML_CMD))) {
ORTE_ERROR_LOG(rc);
return;
}
switch (command) {
case ORTE_RML_UPDATE_CMD:
orte_rml_base_update_contact_info(buffer);
break;
default:
ORTE_ERROR_LOG(ORTE_ERR_VALUE_OUT_OF_BOUNDS);
}
}