contrib/bind-9.2.4rc7/lib/dns/stats.c

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 2000, 2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: stats.c,v 1.5.2.1 2004/03/09 06:11:08 marka Exp $ */
  19
  20 #include <config.h>
  21
  22 #include <isc/mem.h>
  23
  24 #include <dns/stats.h>
  25
  26 LIBDNS_EXTERNAL_DATA const char *dns_statscounter_names[DNS_STATS_NCOUNTERS] =
  27         {
  28         "success",
  29         "referral",
  30         "nxrrset",
  31         "nxdomain",
  32         "recursion",
  33         "failure"
  34         };
  35
  36 isc_result_t
  37 dns_stats_alloccounters(isc_mem_t *mctx, isc_uint64_t **ctrp) {
  38         int i;
  39         isc_uint64_t *p =
  40                 isc_mem_get(mctx, DNS_STATS_NCOUNTERS * sizeof(isc_uint64_t));
  41         if (p == NULL)
  42                 return (ISC_R_NOMEMORY);
  43         for (i = 0; i < DNS_STATS_NCOUNTERS; i++)
  44                 p[i] = 0;
  45         *ctrp = p;
  46         return (ISC_R_SUCCESS);
  47 }
  48
  49 void
  50 dns_stats_freecounters(isc_mem_t *mctx, isc_uint64_t **ctrp) {
  51         isc_mem_put(mctx, *ctrp, DNS_STATS_NCOUNTERS * sizeof(isc_uint64_t));
  52         *ctrp = NULL;
  53 }