source4/torture/nbt/query.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    NBT name query testing
   5
   6    Copyright (C) Andrew Tridgell 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "lib/events/events.h"
  24 #include "libcli/resolve/resolve.h"
  25 #include "torture/torture.h"
  26 #include "torture/nbt/proto.h"
  27 #include "param/param.h"
  28
  29 struct result_struct {
  30         int num_pass;
  31         int num_fail;
  32 };
  33
  34 static void increment_handler(struct nbt_name_request *req)
  35 {
  36         struct result_struct *v = talloc_get_type(req->async.private, struct result_struct);
  37         if (req->state != NBT_REQUEST_DONE) {
  38                 v->num_fail++;
  39         } else {
  40                 v->num_pass++;
  41         }
  42         talloc_free(req);
  43 }
  44
  45 /*
  46   benchmark simple name queries
  47 */
  48 static bool bench_namequery(struct torture_context *tctx)
  49 {
  50         struct nbt_name_socket *nbtsock = nbt_name_socket_init(tctx, NULL,
  51                                                                lp_iconv_convenience(tctx->lp_ctx));
  52         int num_sent=0;
  53         struct result_struct *result;
  54         struct nbt_name_query io;
  55         struct timeval tv = timeval_current();
  56         int timelimit = torture_setting_int(tctx, "timelimit", 5);
  57
  58         const char *address;
  59         struct nbt_name name;
  60
  61         if (!torture_nbt_get_name(tctx, &name, &address))
  62                 return false;
  63
  64         io.in.name = name;
  65         io.in.dest_addr = address;
  66         io.in.dest_port = lp_nbt_port(tctx->lp_ctx);
  67         io.in.broadcast = false;
  68         io.in.wins_lookup = false;
  69         io.in.timeout = 1;
  70
  71         result = talloc_zero(tctx, struct result_struct);
  72
  73         torture_comment(tctx, "Running for %d seconds\n", timelimit);
  74         while (timeval_elapsed(&tv) < timelimit) {
  75                 while (num_sent - (result->num_pass+result->num_fail) < 10) {
  76                         struct nbt_name_request *req;
  77                         req = nbt_name_query_send(nbtsock, &io);
  78                         torture_assert(tctx, req != NULL, "Failed to setup request!");
  79                         req->async.fn = increment_handler;
  80                         req->async.private = result;
  81                         num_sent++;
  82                         if (num_sent % 1000 == 0) {
  83                                 if (torture_setting_bool(tctx, "progress", true)) {
  84                                         torture_comment(tctx, "%.1f queries per second (%d failures)  \r",
  85                                                result->num_pass / timeval_elapsed(&tv),
  86                                                result->num_fail);
  87                                         fflush(stdout);
  88                                 }
  89                         }
  90                 }
  91
  92                 event_loop_once(nbtsock->event_ctx);
  93         }
  94
  95         while (num_sent != (result->num_pass + result->num_fail)) {
  96                 event_loop_once(nbtsock->event_ctx);
  97         }
  98
  99         torture_comment(tctx, "%.1f queries per second (%d failures)  \n",
 100                result->num_pass / timeval_elapsed(&tv),
 101                result->num_fail);
 102
 103         return true;
 104 }
 105
 106
 107 /*
 108   benchmark how fast a server can respond to name queries
 109 */
 110 struct torture_suite *torture_bench_nbt(TALLOC_CTX *mem_ctx)
 111 {
 112         struct torture_suite *suite = torture_suite_create(mem_ctx, "BENCH");
 113         torture_suite_add_simple_test(suite, "namequery", bench_namequery);
 114
 115         return suite;
 116 }