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 <rpcsvc/nislib.h>
  22 #include "nis_intern.h"
  23
  24 void
  25 nis_ping (const_nis_name dirname, u_long utime, const nis_object *dirobj)
  26 {
  27   nis_result *res = NULL;
  28   nis_object *obj;
  29   ping_args args;
  30   u_int i;
  31
  32   if (dirname == NULL && dirobj == NULL)
  33     abort ();
  34
  35   if (dirobj == NULL)
  36     {
  37       res = nis_lookup (dirname, EXPAND_NAME + FOLLOW_LINKS);
  38       if (res->status != NIS_SUCCESS && res->status != NIS_S_SUCCESS)
  39         return;
  40       obj = res->objects.objects_val;
  41     }
  42   else
  43     obj = (nis_object *) dirobj;
  44
  45   /* Check if obj is really a diryectory object */
  46   if (obj->zo_data.zo_type != DIRECTORY_OBJ)
  47     abort ();
  48
  49   if (dirname == NULL)
  50     args.dir = obj->DI_data.do_name;
  51   else
  52     args.dir = (char *) dirname;
  53   args.stamp = utime;
  54
  55   for (i = 0; i < obj->DI_data.do_servers.do_servers_len; ++i)
  56     __do_niscall2 (&obj->DI_data.do_servers.do_servers_val[i], 1,
  57                    NIS_PING, (xdrproc_t) xdr_ping_args,
  58                    (caddr_t) &args, (xdrproc_t) xdr_void,
  59                    (caddr_t) NULL, 0);
  60   if (res)
  61     nis_freeresult (res);
  62 }