testMgmDisconnect.c

/* 
   Copyright 2008 Sun Microsystems, Inc.
    All rights reserved. Use is subject to license terms.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#include <stdlib.h>
#include <unistd.h>

#include <mgmapi.h>

int main()
{
  NdbMgmHandle handle= ndb_mgm_create_handle();

  while(1==1){
    if (ndb_mgm_connect(handle,0,0,0) == -1){
      printf("connect failed, error: '%d: %s'\n",
             ndb_mgm_get_latest_error(handle),
             ndb_mgm_get_latest_error_desc(handle));
      sleep(1);
      continue;
    }

    while(ndb_mgm_is_connected(handle) != 0){
      struct ndb_mgm_cluster_state *state= ndb_mgm_get_status(handle);

      if(state==NULL){
        printf("ndb_mgm_get_status failed, error: '%d: %s', line: %d\n",
               ndb_mgm_get_latest_error(handle),
               ndb_mgm_get_latest_error_desc(handle),
               ndb_mgm_get_latest_error_line(handle));
        continue;
      }

      int i= 0;
      for(i=0; i < state->no_of_nodes; i++)
      {
        struct ndb_mgm_node_state *node_state= &state->node_states[i];
        printf("node with ID=%d ", node_state->node_id);

        if(node_state->version != 0)
          printf("connected\n");
        else
          printf("not connected\n");
      }
      free((void*)state);
    }
  }

  ndb_mgm_destroy_handle(&handle);
  return 1;
}