Beispiel #1
0
PMIX_EXPORT int PMI_Publish_name(const char service_name[], const char port[])
{
    pmix_status_t rc = PMIX_SUCCESS;
    pmix_info_t info;

    PMI_CHECK();

    if (NULL == service_name || NULL == port) {
        return PMI_ERR_INVALID_ARG;
    }

    if (pmi_singleton) {
        return PMI_FAIL;
    }

    /* pass the service/port */
    (void) strncpy(info.key, service_name, PMIX_MAX_KEYLEN);
    info.value.type = PMIX_STRING;
    info.value.data.string = (char*) port;

    /* publish the info - PMI-1 doesn't support
     * any scope other than inside our own nspace */
    rc = PMIx_Publish(&info, 1);

    return convert_err(rc);
}
Beispiel #2
0
int PMI2_Nameserv_publish(const char service_name[], const PMI_keyval_t *info_ptr, const char port[])
{
    pmix_status_t rc;
    int nvals;
    pmix_info_t info[2];

    if (NULL == service_name || NULL == port) {
        return PMI2_ERR_INVALID_ARG;
    }
    /* pass the service/port */
    (void)strncpy(info[0].key, service_name, PMIX_MAX_KEYLEN);
    info[0].value.type = PMIX_STRING;
    info[0].value.data.string = (char*)port;
    nvals = 1;

    /* if provided, add any other value */
    if (NULL != info_ptr) {
        (void)strncpy(info[1].key, info_ptr->key, PMIX_MAX_KEYLEN);
        info[1].value.type = PMIX_STRING;
        info[1].value.data.string = (char*)info_ptr->val;
        nvals = 2;
    }
    /* publish the info - PMI-2 doesn't support
     * any scope other than inside our own nspace */
    rc = PMIx_Publish(info, nvals);

    return convert_err(rc);
}
Beispiel #3
0
int main(int argc, char **argv)
{
    int rc;
    pmix_value_t value;
    pmix_value_t *val = &value;
    pmix_proc_t proc;
    uint32_t nprocs;
    pmix_info_t *info;
    pmix_pdata_t *pdata;
    pmix_proc_t myproc;

    /* init us */
    if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %d", myproc.nspace, myproc.rank, rc);
        exit(0);
    }
    pmix_output(0, "Client ns %s rank %d: Running", myproc.nspace, myproc.rank);

    /* get our universe size */
    if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %d", myproc.nspace, myproc.rank, rc);
        goto done;
    }
    nprocs = val->data.uint32;
    PMIX_VALUE_RELEASE(val);
    pmix_output(0, "Client %s:%d universe size %d", myproc.nspace, myproc.rank, nprocs);

    /* call fence to ensure the data is received */
    PMIX_PROC_CONSTRUCT(&proc);
    (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
    proc.rank = PMIX_RANK_WILDCARD;
    if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Fence failed: %d", myproc.nspace, myproc.rank, rc);
        goto done;
    }

    /* publish something */
    if (0 == myproc.rank) {
        PMIX_INFO_CREATE(info, 2);
        (void)strncpy(info[0].key, "FOOBAR", PMIX_MAX_KEYLEN);
        info[0].value.type = PMIX_UINT8;
        info[0].value.data.uint8 = 1;
        (void)strncpy(info[1].key, "PANDA", PMIX_MAX_KEYLEN);
        info[1].value.type = PMIX_SIZE;
        info[1].value.data.size = 123456;
        if (PMIX_SUCCESS != (rc = PMIx_Publish(info, 2))) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Publish failed: %d", myproc.nspace, myproc.rank, rc);
            goto done;
        }
        PMIX_INFO_FREE(info, 2);
    }

    /* call fence again so all procs know the data
     * has been published */
    if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Fence failed: %d", myproc.nspace, myproc.rank, rc);
        goto done;
    }

    /* lookup something */
    if (0 != myproc.rank) {
        PMIX_PDATA_CREATE(pdata, 1);
        (void)strncpy(pdata[0].key, "FOOBAR", PMIX_MAX_KEYLEN);
        if (PMIX_SUCCESS != (rc = PMIx_Lookup(pdata, 1, NULL, 0))) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Lookup failed: %d", myproc.nspace, myproc.rank, rc);
            goto done;
        }
        /* check the return for value and source */
        if (0 != strncmp(myproc.nspace, pdata[0].proc.nspace, PMIX_MAX_NSLEN)) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Lookup returned wrong nspace: %s",
                        myproc.nspace, myproc.rank, pdata[0].proc.nspace);
            goto done;
        }
        if (0 != pdata[0].proc.rank) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Lookup returned wrong rank: %d",
                        myproc.nspace, myproc.rank, pdata[0].proc.rank);
            goto done;
        }
        if (PMIX_UINT8 != pdata[0].value.type) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Lookup returned wrong type: %d",
                        myproc.nspace, myproc.rank, pdata[0].value.type);
            goto done;
        }
        if (1 != pdata[0].value.data.uint8) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Lookup returned wrong value: %d",
                        myproc.nspace, myproc.rank, (int)pdata[0].value.data.uint8);
            goto done;
        }
        PMIX_PDATA_FREE(pdata, 1);
        pmix_output(0, "PUBLISH-LOOKUP SUCCEEDED");
    }

    /* call fence again so rank 0 waits before leaving */
    if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Fence failed: %d", myproc.nspace, myproc.rank, rc);
        goto done;
    }

    if (0 == myproc.rank) {
        char **keys = NULL;
        pmix_argv_append_nosize(&keys, "FOOBAR");
        pmix_argv_append_nosize(&keys, "PANDA");

        if (PMIX_SUCCESS != (rc = PMIx_Unpublish(keys, NULL, 0))) {
            pmix_output(0, "Client ns %s rank %d: PMIx_Unpublish failed: %d", myproc.nspace, myproc.rank, rc);
            goto done;
        }
        pmix_output(0, "UNPUBLISH SUCCEEDED");
    }

    /* call fence again so everyone waits for rank 0 before leaving */
    proc.rank = PMIX_RANK_WILDCARD;
    if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
        pmix_output(0, "Client ns %s rank %d: PMIx_Fence failed: %d", myproc.nspace, myproc.rank, rc);
        goto done;
    }

 done:
    /* finalize us */
    pmix_output(0, "Client ns %s rank %d: Finalizing", myproc.nspace, myproc.rank);
    if (PMIX_SUCCESS != (rc = PMIx_Finalize())) {
        fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %d\n", myproc.nspace, myproc.rank, rc);
    } else {
        fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
    }
    fflush(stderr);
    return(0);
}