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
  28 struct result_struct {
  29         int num_pass;
  30         int num_fail;
  31 };
  32
  33 static void increment_handler(struct nbt_name_request *req)
  34 {
  35         struct result_struct *v = talloc_get_type(req->async.private, struct result_struct);
  36         if (req->state != NBT_REQUEST_DONE) {
  37                 v->num_fail++;
  38         } else {
  39                 v->num_pass++;
  40         }
  41         talloc_free(req);
  42 }
  43
  44 /*
  45   benchmark simple name queries
  46 */
  47 static bool bench_namequery(struct torture_context *tctx)
  48 {
  49         struct nbt_name_socket *nbtsock = nbt_name_socket_init(tctx, NULL);
  50         int num_sent=0;
  51         struct result_struct *result;
  52         struct nbt_name_query io;
  53         struct timeval tv = timeval_current();
  54         int timelimit = torture_setting_int(tctx, "timelimit", 5);
  55
  56         const char *address;
  57         struct nbt_name name;
  58
  59         if (!torture_nbt_get_name(tctx, &name, &address))
  60                 return false;
  61
  62         io.in.name = name;
  63         io.in.dest_addr = address;
  64         io.in.broadcast = false;
  65         io.in.wins_lookup = false;
  66         io.in.timeout = 1;
  67
  68         result = talloc_zero(tctx, struct result_struct);
  69
  70         torture_comment(tctx, "Running for %d seconds\n", timelimit);
  71         while (timeval_elapsed(&tv) < timelimit) {
  72                 while (num_sent - (result->num_pass+result->num_fail) < 10) {
  73                         struct nbt_name_request *req;
  74                         req = nbt_name_query_send(nbtsock, &io);
  75                         torture_assert(tctx, req != NULL, "Failed to setup request!");
  76                         req->async.fn = increment_handler;
  77                         req->async.private = result;
  78                         num_sent++;
  79                         if (num_sent % 1000 == 0) {
  80                                 if (torture_setting_bool(tctx, "progress", true)) {
  81                                         torture_comment(tctx, "%.1f queries per second (%d failures)  \r",
  82                                                result->num_pass / timeval_elapsed(&tv),
  83                                                result->num_fail);
  84                                         fflush(stdout);
  85                                 }
  86                         }
  87                 }
  88
  89                 event_loop_once(nbtsock->event_ctx);
  90         }
  91
  92         while (num_sent != (result->num_pass + result->num_fail)) {
  93                 event_loop_once(nbtsock->event_ctx);
  94         }
  95
  96         torture_comment(tctx, "%.1f queries per second (%d failures)  \n",
  97                result->num_pass / timeval_elapsed(&tv),
  98                result->num_fail);
  99
 100         return true;
 101 }
 102
 103
 104 /*
 105   benchmark how fast a server can respond to name queries
 106 */
 107 struct torture_suite *torture_bench_nbt(TALLOC_CTX *mem_ctx)
 108 {
 109         struct torture_suite *suite = torture_suite_create(mem_ctx, "BENCH");
 110         torture_suite_add_simple_test(suite, "namequery", bench_namequery);
 111
 112         return suite;
 113 }