text: /*
   * Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
   *                         University Research and Technology
   *                         Corporation.  All rights reserved.
   * Copyright (c) 2004-2011 The University of Tennessee and The University
   *                         of Tennessee Research Foundation.  All rights
   *                         reserved.
   * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
   *                         University of Stuttgart.  All rights reserved.
   * Copyright (c) 2004-2005 The Regents of the University of California.
   *                         All rights reserved.
   * Copyright (c) 2006-2013 Los Alamos National Security, LLC.
   *                         All rights reserved.
   * Copyright (c) 2009-2012 Cisco Systems, Inc.  All rights reserved.
   * Copyright (c) 2011      Oak Ridge National Labs.  All rights reserved.
   * Copyright (c) 2013-2018 Intel, Inc. All rights reserved.
   * Copyright (c) 2015      Mellanox Technologies, Inc.  All rights reserved.
   * $COPYRIGHT$
   *
   * Additional copyrights may follow
   *
   * $HEADER$
   *
   */
  
  #include <src/include/pmix_config.h>
  #include <pmix.h>
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <unistd.h>
  #include <time.h>
  
  #include "src/class/pmix_object.h"
  #include "src/util/output.h"
  #include "src/util/printf.h"
  
  #define MAXCNT 1
  
  static volatile bool completed = false;
  static pmix_proc_t myproc;
  
  static void notification_fn(size_t evhdlr_registration_id,
                              pmix_status_t status,
                              const pmix_proc_t *source,
                              pmix_info_t info[], size_t ninfo,
                              pmix_info_t results[], size_t nresults,
                              pmix_event_notification_cbfunc_fn_t cbfunc,
                              void *cbdata)
  {
      pmix_output(0, "Client %s:%d NOTIFIED with status %s", myproc.nspace, myproc.rank, PMIx_Error_string(status));
      if (NULL != cbfunc) {
          cbfunc(PMIX_SUCCESS, NULL, 0, NULL, NULL, cbdata);
      }
      completed = true;
  }
  
  static void errhandler_reg_callbk(pmix_status_t status,
                                    size_t errhandler_ref,
                                    void *cbdata)
  {
      volatile bool *active = (volatile bool*)cbdata;
  
      pmix_output(0, "Client: ERRHANDLER REGISTRATION CALLBACK CALLED WITH STATUS %d, ref=%lu",
                  status, (unsigned long)errhandler_ref);
      *active = false;
  }
  
  static void opcbfunc(pmix_status_t status, void *cbdata)
  {
      volatile bool *active = (volatile bool*)cbdata;
      *active = false;
  }
  
  /* this is an event notification function that we explicitly request
   * be called when the PMIX_MODEL_DECLARED notification is issued.
   * We could catch it in the general event notification function and test
   * the status to see if the status matched, but it often is simpler
   * to declare a use-specific notification callback point. In this case,
   * we are asking to know whenever a model is declared as a means
   * of testing server self-notification */
  static void model_callback(size_t evhdlr_registration_id,
                             pmix_status_t status,
                             const pmix_proc_t *source,
                             pmix_info_t info[], size_t ninfo,
                             pmix_info_t results[], size_t nresults,
                             pmix_event_notification_cbfunc_fn_t cbfunc,
                             void *cbdata)
  {
      size_t n;
  
      /* just let us know it was received */
      fprintf(stderr, "%s:%d Model event handler called with status %d(%s)\n",
              myproc.nspace, myproc.rank, status, PMIx_Error_string(status));
      for (n=0; n < ninfo; n++) {
          if (PMIX_STRING == info[n].value.type) {
              fprintf(stderr, "%s:%d\t%s:\t%s\n",
                      myproc.nspace, myproc.rank,
                      info[n].key, info[n].value.data.string);
          }
      }
  
      /* we must NOT tell the event handler state machine that we
       * are the last step as that will prevent it from notifying
       * anyone else that might be listening for declarations */
      if (NULL != cbfunc) {
          cbfunc(PMIX_SUCCESS, NULL, 0, NULL, NULL, cbdata);
      }
  }
  
  /* event handler registration is done asynchronously */
  static void model_registration_callback(pmix_status_t status,
                                          size_t evhandler_ref,
                                          void *cbdata)
  {
      volatile int *active = (volatile int*)cbdata;
  
      fprintf(stderr, "simpclient EVENT HANDLER REGISTRATION RETURN STATUS %d, ref=%lu\n",
                 status, (unsigned long)evhandler_ref);
      *active = false;
  }
  
  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);
  }
  