78 строки
2.0 KiB
C
78 строки
2.0 KiB
C
#include "mca/lam/oob/oob.h"
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#include "mca/lam/oob/cofs/src/oob_cofs.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int
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main(int argc, char* argv[])
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{
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int ret;
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char *tmp;
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int priority = 0;
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struct mca_oob_1_0_0_t *init_ret;
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int target_vpid, source_vpid, source_tag;
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size_t source_len;
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char *source_data;
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char buffer[2048];
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int msg_count = 0;
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if (argc != 3) {
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printf("usage: %s my_vpid target_vpid\n", argv[0]);
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exit(1);
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}
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tmp = malloc(strlen("MCA_OOB_BASE_VPID") + strlen(argv[1]) + 2);
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sprintf(tmp, "MCA_OOB_BASE_VPID=%s", argv[1]);
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putenv(tmp);
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target_vpid = atoi(argv[2]);
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ret = mca_oob_cofs_open(NULL);
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if (ret != LAM_SUCCESS) {
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printf("mca_oob_cofs_open returned %d\n", ret);
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exit(1);
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}
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ret = mca_oob_cofs_query(&priority);
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if (ret != LAM_SUCCESS) {
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printf("mca_oob_cofs_query returned %d\n", ret);
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exit(1);
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} else {
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printf("mca_oob_cofs_query said \"go\" with priority %d\n", priority);
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}
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init_ret = mca_oob_cofs_init();
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if (init_ret == NULL) {
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printf("mca_oob_cofs_init returned NULL\n");
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exit(1);
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}
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printf("#\n# Sending Messages\n#\n\n");
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for (msg_count = 0 ; msg_count < 20 ; ++msg_count) {
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sprintf(buffer, "%s's message number %d\n", argv[1], msg_count);
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printf("%d %d: %s\n", target_vpid, 1, buffer);
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ret = mca_oob_cofs_send("foobar", target_vpid, 1, buffer, strlen(buffer) + 1);
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if (ret != LAM_SUCCESS) {
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printf("mca_oob_cofs_send failed on msg_count %d\n", msg_count);
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exit(1);
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}
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}
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printf("#\n# Receiving Messages\n#\n\n");
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for (msg_count = 0 ; msg_count < 20 ; ++msg_count) {
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source_tag = 1;
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ret = mca_oob_cofs_recv("foobar", target_vpid, &source_tag, (void**) &source_data, &source_len);
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if (ret != LAM_SUCCESS) {
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printf("mca_oob_cofs_recv failed on msg_count %d, %d\n", msg_count, ret);
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exit(1);
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}
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printf("%d %d: %s\n", source_vpid, source_tag, source_data);
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free(source_data);
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}
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printf("#\n# Finished\n#\n\n");
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return 0;
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}
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