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) 2013-2020 Intel, Inc.  All rights reserved.
   * Copyright (c) 2015      Mellanox Technologies, Inc.  All rights reserved.
   * Copyright (c) 2019      Research Organization for Information Science
   *                         and Technology (RIST).  All rights reserved.
   * $COPYRIGHT$
   *
   * Additional copyrights may follow
   *
   * $HEADER$
   *
   */
  
  #include "src/include/pmix_config.h"
  #include "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"
  #include "src/include/pmix_globals.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;
  }
  
  /* 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);
      }
  }
  
  int main(int argc, char **argv)
  {
      int rc, nprocs;
      pmix_value_t value;
      pmix_value_t *val = &value;
      char *tmp;
      pmix_proc_t proc;
      pmix_info_t *iptr;
      size_t ninfo;
      pmix_status_t code;
  
      /* 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 on node %s", myproc.nspace, myproc.rank, pmix_globals.hostname);
  
      /* 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 job size failed: %s",
                      myproc.nspace, myproc.rank, PMIx_Error_string(rc));
          exit(rc);
      }
      nprocs = val->data.uint32;
      PMIX_VALUE_RELEASE(val);
      pmix_output(0, "Client %s:%d job size %d", myproc.nspace, myproc.rank, nprocs);
  
     /* register a handler specifically for when models declare */
      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, NULL, NULL);
      PMIX_INFO_FREE(iptr, ninfo);
  
      /* register our errhandler */
      PMIx_Register_event_handler(NULL, 0, NULL, 0,
                                  notification_fn, NULL, NULL);
  
      /* 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));
          exit(rc);
      }
  
      /* get a list of our local peers */
      if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_LOCAL_PEERS, NULL, 0, &val))) {
          pmix_output(0, "Client ns %s rank %d: PMIx_Get local peers failed: %s",
                      myproc.nspace, myproc.rank, PMIx_Error_string(rc));
          exit(rc);
      }
      PMIX_VALUE_RELEASE(val);
  
      /* finalize us */
      pmix_output(0, "Client ns %s rank %d: Finalizing(1)", 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));
          exit(rc);
      } else {
          fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
      }
  
      /* initialize us again */
      fprintf(stderr, "Client Init(2)\n");
      if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
          pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %s",
                      myproc.nspace, myproc.rank, PMIx_Error_string(rc));
          exit(rc);
      }
      pmix_output(0, "Client ns %s rank %d: Finalizing(2)", 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));
          exit(rc);
      } else {
          fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
      }
  
      fflush(stderr);
      return(rc);
  }
  