bd8b4f7f1e
Roll in the ORTE state machine. Remove last traces of opal_sos. Remove UTK epoch code. Please see the various emails about the state machine change for details. I'll send something out later with more info on the new arch. This commit was SVN r26242.
148 строки
4.4 KiB
C
148 строки
4.4 KiB
C
/* -*- C -*-
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*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007-2011 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/** @file:
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*
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*/
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/*
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* includes
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*/
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#include "orte_config.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include "orte/constants.h"
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#include "orte/types.h"
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#include "opal/dss/dss.h"
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#include "opal/util/output.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/runtime/orte_wait.h"
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#include "orte/util/name_fns.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/rml/base/base.h"
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#include "orte/mca/rml/base/rml_contact.h"
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static bool recv_issued=false;
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static void orte_rml_base_recv(int status, orte_process_name_t* sender,
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opal_buffer_t* buffer, orte_rml_tag_t tag,
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void* cbdata);
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int orte_rml_base_comm_start(void)
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{
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int rc;
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if (recv_issued) {
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return ORTE_SUCCESS;
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}
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if (ORTE_SUCCESS != (rc = orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD,
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ORTE_RML_TAG_RML_INFO_UPDATE,
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ORTE_RML_PERSISTENT,
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orte_rml_base_recv,
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NULL))) {
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ORTE_ERROR_LOG(rc);
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}
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recv_issued = true;
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return rc;
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}
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int orte_rml_base_comm_stop(void)
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{
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int rc;
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if (!recv_issued) {
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return ORTE_SUCCESS;
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}
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if (ORTE_SUCCESS != (rc = orte_rml.recv_cancel(ORTE_NAME_WILDCARD, ORTE_RML_TAG_RML_INFO_UPDATE))) {
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ORTE_ERROR_LOG(rc);
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}
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recv_issued = false;
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return rc;
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}
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/* handle message from proxies
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* NOTE: The incoming buffer "buffer" is OBJ_RELEASED by the calling program.
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* DO NOT RELEASE THIS BUFFER IN THIS CODE
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*/
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static void
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orte_rml_base_recv(int status, orte_process_name_t* sender,
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opal_buffer_t* buffer, orte_rml_tag_t tag,
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void* cbdata)
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{
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orte_rml_cmd_flag_t command;
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orte_std_cntr_t count;
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opal_buffer_t *buf;
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int rc;
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OPAL_OUTPUT_VERBOSE((5, orte_rml_base_output,
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"%s rml:base:recv: processing message from %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(sender)));
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count = 1;
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if (ORTE_SUCCESS != (rc = opal_dss.unpack(buffer, &command, &count, ORTE_RML_CMD))) {
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ORTE_ERROR_LOG(rc);
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return;
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}
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switch (command) {
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case ORTE_RML_UPDATE_CMD:
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if (ORTE_SUCCESS != (rc = orte_rml_base_update_contact_info(buffer))) {
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ORTE_ERROR_LOG(rc);
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return;
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}
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break;
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default:
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ORTE_ERROR_LOG(ORTE_ERR_VALUE_OUT_OF_BOUNDS);
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}
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/* send an ack back - this is REQUIRED to ensure that the routing
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* info gets updated -before- a message intending to use that info
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* arrives. Because message ordering is NOT preserved in the OOB, it
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* is possible for code that updates our contact info and then sends
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* a message to fail because the update contact info message is
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* processed too late
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*/
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OPAL_OUTPUT_VERBOSE((5, orte_rml_base_output,
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"%s rml:base:recv: sending ack to %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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ORTE_NAME_PRINT(sender)));
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buf = OBJ_NEW(opal_buffer_t);
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if (0 > (rc = orte_rml.send_buffer_nb(sender, buf, ORTE_RML_TAG_UPDATE_ROUTE_ACK, 0,
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orte_rml_send_callback, NULL))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(buf);
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}
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OBJ_RELEASE(buf);
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}
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