nis/nis_ping.c

   1 /* Copyright (c) 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA. */
  19
  20 #include <rpcsvc/nis.h>
  21 #include "nis_intern.h"
  22
  23 void
  24 nis_ping (const_nis_name dirname, u_long utime, const nis_object *dirobj)
  25 {
  26   nis_result *res = NULL;
  27   nis_object *obj;
  28   ping_args args;
  29   u_int i;
  30
  31   if (dirname == NULL && dirobj == NULL)
  32     abort ();
  33
  34   if (dirobj == NULL)
  35     {
  36       res = nis_lookup (dirname, MASTER_ONLY);
  37       if (res->status != NIS_SUCCESS)
  38         return;
  39       obj = res->objects.objects_val;
  40     }
  41   else
  42     obj = (nis_object *) dirobj;
  43
  44   /* Check if obj is really a diryectory object */
  45   if (__type_of (obj) != NIS_DIRECTORY_OBJ)
  46     {
  47       if (res != NULL)
  48         nis_freeresult (res);
  49       return;
  50     }
  51
  52   if (dirname == NULL)
  53     args.dir = obj->DI_data.do_name;
  54   else
  55     args.dir = (char *) dirname;
  56   args.stamp = utime;
  57
  58   for (i = 0; i < obj->DI_data.do_servers.do_servers_len; ++i)
  59     __do_niscall2 (&obj->DI_data.do_servers.do_servers_val[i], 1,
  60                    NIS_PING, (xdrproc_t) xdr_ping_args,
  61                    (caddr_t) &args, (xdrproc_t) xdr_void,
  62                    (caddr_t) NULL, 0, NULL);
  63   if (res)
  64     nis_freeresult (res);
  65 }