/* this is a callback function for the PMIx_Query * API. The query will callback with a status indicating * if the request could be fully satisfied, partially * satisfied, or completely failed. The info parameter * contains an array of the returned data, with the * info->key field being the key that was provided in * the query call. Thus, you can correlate the returned * data in the info->value field to the requested key. * * Once we have dealt with the returned data, we must * call the release_fn so that the PMIx library can * cleanup */ static void cbfunc(pmix_status_t status, pmix_info_t *info, size_t ninfo, void *cbdata, pmix_release_cbfunc_t release_fn, void *release_cbdata) { myquery_data_t *mq = (myquery_data_t*)cbdata; size_t n; mq->status = status; /* save the returned info - the PMIx library "owns" it * and will release it and perform other cleanup actions * when release_fn is called */ if (0 < ninfo) { PMIX_INFO_CREATE(mq->info, ninfo); mq->ninfo = ninfo; for (n=0; n < ninfo; n++) { fprintf(stderr, "Key %s Type %s(%d)\n", info[n].key, PMIx_Data_type_string(info[n].value.type), info[n].value.type); PMIX_INFO_XFER(&mq->info[n], &info[n]); } } /* let the library release the data and cleanup from * the operation */ if (NULL != release_fn) { release_fn(release_cbdata); } /* release the block */ DEBUG_WAKEUP_THREAD(&mq->lock); }
int main(int argc, char **argv) { int rc; pmix_value_t value; pmix_value_t *val = &value; char *tmp; pmix_proc_t proc; uint32_t nprocs, n; int cnt, j; bool doabort = false; volatile bool active; pmix_info_t info, *iptr; size_t ninfo; pmix_status_t code; if (1 < argc) { if (0 == strcmp("-abort", argv[1])) { doabort = true; } } /* init us and declare we are a test programming model */ PMIX_INFO_CREATE(iptr, 2); PMIX_INFO_LOAD(&iptr[0], PMIX_PROGRAMMING_MODEL, "TEST", PMIX_STRING); PMIX_INFO_LOAD(&iptr[1], PMIX_MODEL_LIBRARY_NAME, "PMIX", PMIX_STRING); if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, iptr, 2))) { pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); exit(rc); } PMIX_INFO_FREE(iptr, 2); pmix_output(0, "Client ns %s rank %d: Running", myproc.nspace, myproc.rank); /* test something */ (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN); proc.rank = PMIX_RANK_WILDCARD; if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val))) { pmix_output(0, "Client ns %s rank %d: PMIx_Get failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); exit(rc); } PMIX_VALUE_RELEASE(val); /* test something */ if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, PMIX_SERVER_URI, NULL, 0, &val))) { pmix_output(0, "Client ns %s rank %d: PMIx_Get failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); exit(rc); } pmix_output(0, "CLIENT SERVER URI: %s", val->data.string); PMIX_VALUE_RELEASE(val); /* register a handler specifically for when models declare */ active = true; ninfo = 1; PMIX_INFO_CREATE(iptr, ninfo); PMIX_INFO_LOAD(&iptr[0], PMIX_EVENT_HDLR_NAME, "SIMPCLIENT-MODEL", PMIX_STRING); code = PMIX_MODEL_DECLARED; PMIx_Register_event_handler(&code, 1, iptr, ninfo, model_callback, model_registration_callback, (void*)&active); while (active) { usleep(10); } PMIX_INFO_FREE(iptr, ninfo); /* register our errhandler */ active = true; PMIx_Register_event_handler(NULL, 0, NULL, 0, notification_fn, errhandler_reg_callbk, (void*)&active); while (active) { usleep(10); } /* get our universe size */ (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN); proc.rank = PMIX_RANK_WILDCARD; if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) { pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(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); /* put a few values */ (void)asprintf(&tmp, "%s-%d-internal", myproc.nspace, myproc.rank); value.type = PMIX_UINT32; value.data.uint32 = 1234; if (PMIX_SUCCESS != (rc = PMIx_Store_internal(&myproc, tmp, &value))) { pmix_output(0, "Client ns %s rank %d: PMIx_Store_internal failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); goto done; } for (cnt=0; cnt < MAXCNT; cnt++) { (void)asprintf(&tmp, "%s-%d-local-%d", myproc.nspace, myproc.rank, cnt); value.type = PMIX_UINT64; value.data.uint64 = 1234; if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_LOCAL, tmp, &value))) { pmix_output(0, "Client ns %s rank %d: PMIx_Put internal failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); goto done; } (void)asprintf(&tmp, "%s-%d-remote-%d", myproc.nspace, myproc.rank, cnt); value.type = PMIX_STRING; value.data.string = "1234"; if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_REMOTE, tmp, &value))) { pmix_output(0, "Client ns %s rank %d: PMIx_Put internal failed: %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); goto done; } if (PMIX_SUCCESS != (rc = PMIx_Commit())) { pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Commit failed: %s", myproc.nspace, myproc.rank, cnt, PMIx_Error_string(rc)); goto done; } /* 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 cnt %d: PMIx_Fence failed: %s", myproc.nspace, myproc.rank, cnt, PMIx_Error_string(rc)); goto done; } /* check the returned data */ (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN); for (j=0; j <= cnt; j++) { for (n=0; n < nprocs; n++) { proc.rank = n; (void)asprintf(&tmp, "%s-%d-local-%d", myproc.nspace, n, j); if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) { pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s failed: %s", myproc.nspace, myproc.rank, j, tmp, PMIx_Error_string(rc)); continue; } if (NULL == val) { pmix_output(0, "Client ns %s rank %d: NULL value returned", myproc.nspace, myproc.rank); break; } if (PMIX_UINT64 != val->type) { pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned wrong type: %d", myproc.nspace, myproc.rank, j, tmp, val->type); PMIX_VALUE_RELEASE(val); free(tmp); continue; } if (1234 != val->data.uint64) { pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned wrong value: %d", myproc.nspace, myproc.rank, j, tmp, (int)val->data.uint64); PMIX_VALUE_RELEASE(val); free(tmp); continue; } pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned correct", myproc.nspace, myproc.rank, j, tmp); PMIX_VALUE_RELEASE(val); free(tmp); if (n != myproc.rank) { (void)asprintf(&tmp, "%s-%d-remote-%d", proc.nspace, n, j); if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) { /* this data should _not_ be found as we are on the same node * and the data was "put" with a PMIX_REMOTE scope */ pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned correct", myproc.nspace, myproc.rank, j, tmp); continue; } pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned remote data for a local proc", myproc.nspace, myproc.rank, j, tmp); PMIX_VALUE_RELEASE(val); free(tmp); } } } } /* now get the data blob for myself */ pmix_output(0, "Client ns %s rank %d testing internal modex blob", myproc.nspace, myproc.rank); if (PMIX_SUCCESS == (rc = PMIx_Get(&myproc, NULL, NULL, 0, &val))) { if (PMIX_DATA_ARRAY != val->type) { pmix_output(0, "Client ns %s rank %d did not return an array for its internal modex blob", myproc.nspace, myproc.rank); PMIX_VALUE_RELEASE(val); } else if (PMIX_INFO != val->data.darray->type) { pmix_output(0, "Client ns %s rank %d returned an internal modex array of type %s instead of PMIX_INFO", myproc.nspace, myproc.rank, PMIx_Data_type_string(val->data.darray->type)); PMIX_VALUE_RELEASE(val); } else if (0 == val->data.darray->size) { pmix_output(0, "Client ns %s rank %d returned an internal modex array of zero length", myproc.nspace, myproc.rank); PMIX_VALUE_RELEASE(val); } else { pmix_info_t *iptr = (pmix_info_t*)val->data.darray->array; for (n=0; n < val->data.darray->size; n++) { pmix_output(0, "\tKey: %s", iptr[n].key); } PMIX_VALUE_RELEASE(val); } } else { pmix_output(0, "Client ns %s rank %d internal modex blob FAILED with error %s(%d)", myproc.nspace, myproc.rank, PMIx_Error_string(rc), rc); } /* log something */ PMIX_INFO_CONSTRUCT(&info); PMIX_INFO_LOAD(&info, PMIX_LOG_STDERR, "test log msg", PMIX_STRING); active = true; rc = PMIx_Log_nb(&info, 1, NULL, 0, opcbfunc, (void*)&active); if (PMIX_SUCCESS != rc) { pmix_output(0, "Client ns %s rank %d - log_nb returned %s", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); } else { while (active) { usleep(10); } } PMIX_INFO_DESTRUCT(&info); /* if requested and our rank is 0, call abort */ if (doabort) { if (0 == myproc.rank) { PMIx_Abort(PMIX_ERR_PROC_REQUESTED_ABORT, "CALLING ABORT", NULL, 0); } else { while(!completed) { usleep(10); } } } done: /* finalize us */ pmix_output(0, "Client ns %s rank %d: Finalizing", myproc.nspace, myproc.rank); if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) { fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %s\n", myproc.nspace, myproc.rank, PMIx_Error_string(rc)); } else { fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank); } fflush(stderr); return(rc); }
int main(int argc, char **argv) { pmix_status_t rc; pmix_value_t *val; pmix_proc_t proc; pmix_info_t *info; size_t ninfo; pmix_query_t *query; size_t nq, n; myquery_data_t myquery_data; pid_t pid; pmix_status_t code = PMIX_ERR_JOB_TERMINATED; mylock_t mylock; myrel_t myrel; uint16_t localrank; char *target = NULL; pid = getpid(); /* init us - since we were launched by the RM, our connection info * will have been provided at startup. */ if (PMIX_SUCCESS != (rc = PMIx_tool_init(&myproc, NULL, 0))) { fprintf(stderr, "Debugger daemon: PMIx_tool_init failed: %d\n", rc); exit(0); } fprintf(stderr, "Debugger daemon ns %s rank %d pid %lu: Running\n", myproc.nspace, myproc.rank, (unsigned long)pid); /* register our default event handler */ DEBUG_CONSTRUCT_LOCK(&mylock); PMIx_Register_event_handler(NULL, 0, NULL, 0, notification_fn, evhandler_reg_callbk, (void*)&mylock); DEBUG_WAIT_THREAD(&mylock); if (PMIX_SUCCESS != mylock.status) { rc = mylock.status; DEBUG_DESTRUCT_LOCK(&mylock); goto done; } DEBUG_DESTRUCT_LOCK(&mylock); /* get the nspace of the job we are to debug - it will be in our JOB info */ #ifdef PMIX_LOAD_PROCID PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD); #else PMIX_PROC_CONSTRUCT(&proc); (void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_KEYLEN); proc.rank = PMIX_RANK_WILDCARD; #endif if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_DEBUG_JOB, NULL, 0, &val))) { fprintf(stderr, "[%s:%d:%lu] Failed to get job being debugged - error %s\n", myproc.nspace, myproc.rank, (unsigned long)pid, PMIx_Error_string(rc)); goto done; } if (NULL == val || PMIX_STRING != val->type || NULL == val->data.string) { fprintf(stderr, "[%s:%d:%lu] Failed to get job being debugged - NULL data returned\n", myproc.nspace, myproc.rank, (unsigned long)pid); goto done; } /* save it for later */ target = strdup(val->data.string); PMIX_VALUE_RELEASE(val); fprintf(stderr, "[%s:%d:%lu] Debugging %s\n", myproc.nspace, myproc.rank, (unsigned long)pid, target); /* get my local rank so I can determine which local proc is "mine" * to debug */ val = NULL; if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, PMIX_LOCAL_RANK, NULL, 0, &val))) { fprintf(stderr, "[%s:%d:%lu] Failed to get my local rank - error %s\n", myproc.nspace, myproc.rank, (unsigned long)pid, PMIx_Error_string(rc)); goto done; } if (NULL == val) { fprintf(stderr, "[%s:%d:%lu] Failed to get my local rank - NULL data returned\n", myproc.nspace, myproc.rank, (unsigned long)pid); goto done; } if (PMIX_UINT16 != val->type) { fprintf(stderr, "[%s:%d:%lu] Failed to get my local rank - returned wrong type %s\n", myproc.nspace, myproc.rank, (unsigned long)pid, PMIx_Data_type_string(val->type)); goto done; } /* save the data */ localrank = val->data.uint16; PMIX_VALUE_RELEASE(val); fprintf(stderr, "[%s:%d:%lu] my local rank %d\n", myproc.nspace, myproc.rank, (unsigned long)pid, (int)localrank); /* register another handler specifically for when the target * job completes */ DEBUG_CONSTRUCT_LOCK(&myrel.lock); myrel.nspace = strdup(proc.nspace); PMIX_INFO_CREATE(info, 2); PMIX_INFO_LOAD(&info[0], PMIX_EVENT_RETURN_OBJECT, &myrel, PMIX_POINTER); /* only call me back when this specific job terminates */ PMIX_LOAD_PROCID(&proc, target, PMIX_RANK_WILDCARD); PMIX_INFO_LOAD(&info[1], PMIX_EVENT_AFFECTED_PROC, &proc, PMIX_PROC); fprintf(stderr, "[%s:%d:%lu] registering for termination of %s\n", myproc.nspace, myproc.rank, (unsigned long)pid, proc.nspace); DEBUG_CONSTRUCT_LOCK(&mylock); PMIx_Register_event_handler(&code, 1, info, 2, release_fn, evhandler_reg_callbk, (void*)&mylock); DEBUG_WAIT_THREAD(&mylock); if (PMIX_SUCCESS != mylock.status) { rc = mylock.status; DEBUG_DESTRUCT_LOCK(&mylock); PMIX_INFO_FREE(info, 2); goto done; } DEBUG_DESTRUCT_LOCK(&mylock); PMIX_INFO_FREE(info, 2); /* get our local proctable - for scalability reasons, we don't want to * have our "root" debugger process get the proctable for everybody and * send it out to us. So ask the local PMIx server for the pid's of * our local target processes */ nq = 1; PMIX_QUERY_CREATE(query, nq); PMIX_ARGV_APPEND(rc, query[0].keys, PMIX_QUERY_LOCAL_PROC_TABLE); query[0].nqual = 1; PMIX_INFO_CREATE(query[0].qualifiers, 1); PMIX_INFO_LOAD(&query[0].qualifiers[0], PMIX_NSPACE, target, PMIX_STRING); // the nspace we are enquiring about /* setup the caddy to retrieve the data */ DEBUG_CONSTRUCT_LOCK(&myquery_data.lock); myquery_data.info = NULL; myquery_data.ninfo = 0; /* execute the query */ if (PMIX_SUCCESS != (rc = PMIx_Query_info_nb(query, nq, cbfunc, (void*)&myquery_data))) { fprintf(stderr, "PMIx_Query_info failed: %d\n", rc); goto done; } DEBUG_WAIT_THREAD(&myquery_data.lock); DEBUG_DESTRUCT_LOCK(&myquery_data.lock); PMIX_QUERY_FREE(query, nq); if (PMIX_SUCCESS != myquery_data.status) { rc = myquery_data.status; goto done; } fprintf(stderr, "[%s:%d:%lu] Local proctable received\n", myproc.nspace, myproc.rank, (unsigned long)pid); /* now that we have the proctable for our local processes, we can do our * magic debugger stuff and attach to them. We then send a "release" event * to them - i.e., it's the equivalent to setting the MPIR breakpoint. We * do this with the event notification system. For this example, we just * send it to all local procs of the job being debugged */ (void)strncpy(proc.nspace, target, PMIX_MAX_NSLEN); proc.rank = PMIX_RANK_WILDCARD; ninfo = 2; PMIX_INFO_CREATE(info, ninfo); PMIX_INFO_LOAD(&info[0], PMIX_EVENT_CUSTOM_RANGE, &proc, PMIX_PROC); // deliver to the target nspace PMIX_INFO_LOAD(&info[1], PMIX_EVENT_NON_DEFAULT, NULL, PMIX_BOOL); // deliver to the target nspace fprintf(stderr, "[%s:%u:%lu] Sending release\n", myproc.nspace, myproc.rank, (unsigned long)pid); rc = PMIx_Notify_event(PMIX_ERR_DEBUGGER_RELEASE, NULL, PMIX_RANGE_CUSTOM, info, ninfo, NULL, NULL); if (PMIX_SUCCESS != rc) { fprintf(stderr, "%s[%s:%u:%lu] Sending release failed with error %s(%d)\n", myproc.nspace, myproc.rank, (unsigned long)pid, PMIx_Error_string(rc), rc); goto done; } /* do some debugger magic while waiting for the job to terminate */ DEBUG_WAIT_THREAD(&myrel.lock); done: if (NULL != target) { free(target); } /* finalize us */ fprintf(stderr, "Debugger daemon ns %s rank %d pid %lu: Finalizing\n", myproc.nspace, myproc.rank, (unsigned long)pid); if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) { fprintf(stderr, "Debugger daemon ns %s rank %d:PMIx_Finalize failed: %d\n", myproc.nspace, myproc.rank, rc); } else { fprintf(stderr, "Debugger daemon ns %s rank %d pid %lu:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank, (unsigned long)pid); } fflush(stderr); return(0); }
int main(int argc, char **argv) { pmix_status_t status; pmix_proc_t proc; sleep(30); status = PMIx_Init(&proc, NULL, 0); CHECK_ERROR(status, "PMIx_Init()"); printf("PMIx_Init() succeeded: nspace '%s' rank %d\n", proc.nspace, proc.rank); if (!PMIx_Initialized()) { printf("PMIx_Initialized() returned false.\n"); return -1; } printf("PMIx_Initialized() returned true.\n"); sleep(2); pmix_value_t val; PMIX_VAL_ASSIGN(&val, string, "My test value"); //PMIX_VAL_SET(&val, string, "My test value"); status = PMIx_Put(PMIX_GLOBAL, "MyStringKey", &val); CHECK_ERROR(status, "PMIx_Put(MyStringKey)"); sleep(2); PMIX_VAL_SET(&val, int, 42); status = PMIx_Put(PMIX_GLOBAL, "MyIntKey", &val); CHECK_ERROR(status, "PMIx_Put(MyIntKey)"); sleep(2); status = PMIx_Commit(); CHECK_ERROR(status, "PMIx_Commit()"); sleep(2); pmix_value_t *retval; status = PMIx_Get(&proc, "MyStringKey", NULL, 0, &retval); CHECK_ERROR(status, "PMIx_Get(MyStringKey)"); if (retval == NULL) { printf("PMIx_Get(MyStringKey) failed: retval == NULL\n"); return -1; } if (retval->type != PMIX_VAL_TYPE_string) { printf("PMIx_Get(MyStringKey) failed: type == %s\n", PMIx_Data_type_string(retval->type)); return -1; } printf("PMIx_Get(MyStringKey) succeeded: value '%s'\n", PMIX_VAL_FIELD_string(retval)); sleep(2); status = PMIx_Get(&proc, "MyIntKey", NULL, 0, &retval); CHECK_ERROR(status, "PMIx_Get(MyIntKey)"); if (retval == NULL) { printf("PMIx_Get(MyIntKey) failed: retval == NULL\n"); return -1; } if (retval->type != PMIX_VAL_TYPE_int) { printf("PMIx_Get(MyIntKey) failed: type == %s\n", PMIx_Data_type_string(retval->type)); return -1; } printf("PMIx_Get(MyIntKey) succeeded: value %d\n", PMIX_VAL_FIELD_int(retval)); sleep(2); status = PMIx_Finalize(NULL, 0); CHECK_ERROR(status, "PMIx_Finalize()"); return 0; }