117 строки
3.3 KiB
C
117 строки
3.3 KiB
C
#include "orte_config.h"
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#include <stdio.h>
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#include <signal.h>
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#include <math.h>
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#include "opal/runtime/opal_progress.h"
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#include "orte/util/proc_info.h"
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#include "orte/util/name_fns.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/runtime/runtime.h"
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#include "orte/runtime/orte_wait.h"
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#define MY_TAG 12345
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#define MAX_COUNT 3
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static bool msg_recvd;
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static volatile bool msg_active;
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static void send_callback(int status, orte_process_name_t *peer,
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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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OBJ_RELEASE(buffer);
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if (ORTE_SUCCESS != status) {
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exit(1);
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}
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msg_active = false;
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}
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int
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main(int argc, char *argv[]){
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int count;
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int msgsize;
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uint8_t *msg;
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int i, j, rc;
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orte_process_name_t peer;
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double maxpower;
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opal_buffer_t *buf;
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orte_rml_recv_cb_t blob;
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/*
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* Init
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*/
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orte_init(&argc, &argv, ORTE_PROC_NON_MPI);
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if (argc > 1) {
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count = atoi(argv[1]);
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if (count < 0) {
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count = INT_MAX-1;
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}
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} else {
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count = MAX_COUNT;
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}
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peer.jobid = ORTE_PROC_MY_NAME->jobid;
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peer.vpid = ORTE_PROC_MY_NAME->vpid + 1;
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if (peer.vpid == orte_process_info.num_procs) {
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peer.vpid = 0;
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}
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for (j=1; j < count+1; j++) {
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/* rank0 starts ring */
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if (ORTE_PROC_MY_NAME->vpid == 0) {
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/* setup the initiating buffer - put random sized message in it */
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buf = OBJ_NEW(opal_buffer_t);
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maxpower = (double)(j%7);
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msgsize = (int)pow(10.0, maxpower);
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opal_output(0, "Ring %d message size %d bytes", j, msgsize);
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msg = (uint8_t*)malloc(msgsize);
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opal_dss.pack(buf, msg, msgsize, OPAL_BYTE);
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free(msg);
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orte_rml.send_buffer_nb(&peer, buf, MY_TAG, orte_rml_send_callback, NULL);
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/* wait for it to come around */
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OBJ_CONSTRUCT(&blob, orte_rml_recv_cb_t);
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blob.active = true;
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orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, MY_TAG,
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ORTE_RML_NON_PERSISTENT,
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orte_rml_recv_callback, &blob);
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ORTE_WAIT_FOR_COMPLETION(blob.active);
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OBJ_DESTRUCT(&blob);
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opal_output(0, "%s Ring %d completed", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), j);
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} else {
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/* wait for msg */
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OBJ_CONSTRUCT(&blob, orte_rml_recv_cb_t);
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blob.active = true;
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orte_rml.recv_buffer_nb(ORTE_NAME_WILDCARD, MY_TAG,
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ORTE_RML_NON_PERSISTENT,
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orte_rml_recv_callback, &blob);
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ORTE_WAIT_FOR_COMPLETION(blob.active);
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opal_output(0, "%s received message %d from %s", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), j, ORTE_NAME_PRINT(&blob.name));
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/* send it along */
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buf = OBJ_NEW(opal_buffer_t);
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opal_dss.copy_payload(buf, &blob.data);
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OBJ_DESTRUCT(&blob);
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msg_active = true;
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orte_rml.send_buffer_nb(&peer, buf, MY_TAG, send_callback, NULL);
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ORTE_WAIT_FOR_COMPLETION(msg_active);
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}
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}
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orte_finalize();
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return 0;
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}
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