source3/torture/msgtest.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Copyright (C) Andrew Tridgell 2000
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 /*
  20   test code for internal messaging
  21  */
  22
  23 #include "includes.h"
  24 #include "messages.h"
  25
  26 static int pong_count;
  27
  28
  29 /****************************************************************************
  30 a useful function for testing the message system
  31 ****************************************************************************/
  32 static void pong_message(struct messaging_context *msg_ctx,
  33                          void *private_data,
  34                          uint32_t msg_type,
  35                          struct server_id pid,
  36                          DATA_BLOB *data)
  37 {
  38         pong_count++;
  39 }
  40
  41  int main(int argc, char *argv[])
  42 {
  43         struct tevent_context *evt_ctx;
  44         struct messaging_context *msg_ctx;
  45         pid_t pid;
  46         int i, n;
  47         char buf[12];
  48         int ret;
  49
  50         load_case_tables();
  51
  52         setup_logging(argv[0], DEBUG_STDOUT);
  53
  54         lp_load_global(get_dyn_CONFIGFILE());
  55
  56         if (!(evt_ctx = samba_tevent_context_init(NULL)) ||
  57             !(msg_ctx = messaging_init(NULL, evt_ctx))) {
  58                 fprintf(stderr, "could not init messaging context\n");
  59                 exit(1);
  60         }
  61
  62         if (argc != 3) {
  63                 fprintf(stderr, "%s: Usage - %s pid count\n", argv[0],
  64                         argv[0]);
  65                 exit(1);
  66         }
  67
  68         pid = atoi(argv[1]);
  69         n = atoi(argv[2]);
  70
  71         messaging_register(msg_ctx, NULL, MSG_PONG, pong_message);
  72
  73         for (i=0;i<n;i++) {
  74                 messaging_send(msg_ctx, pid_to_procid(pid), MSG_PING,
  75                                &data_blob_null);
  76         }
  77
  78         while (pong_count < i) {
  79                 ret = tevent_loop_once(evt_ctx);
  80                 if (ret != 0) {
  81                         break;
  82                 }
  83         }
  84
  85         /* Now test that the duplicate filtering code works. */
  86         pong_count = 0;
  87
  88         strlcpy(buf, "1234567890", sizeof(buf));
  89
  90         for (i=0;i<n;i++) {
  91                 messaging_send(msg_ctx, messaging_server_id(msg_ctx), MSG_PING,
  92                                &data_blob_null);
  93                 messaging_send_buf(msg_ctx, messaging_server_id(msg_ctx),
  94                                    MSG_PING,(uint8 *)buf, 11);
  95         }
  96
  97         for (i=0;i<n;i++) {
  98                 ret = tevent_loop_once(evt_ctx);
  99                 if (ret != 0) {
 100                         break;
 101                 }
 102         }
 103
 104         if (pong_count != 2) {
 105                 fprintf(stderr, "Duplicate filter failed (%d).\n", pong_count);
 106         }
 107
 108         /* Speed testing */
 109
 110         pong_count = 0;
 111
 112         {
 113                 struct timeval tv = timeval_current();
 114                 size_t timelimit = n;
 115                 size_t ping_count = 0;
 116
 117                 printf("Sending pings for %d seconds\n", (int)timelimit);
 118                 while (timeval_elapsed(&tv) < timelimit) {
 119                         if(NT_STATUS_IS_OK(messaging_send_buf(
 120                                                    msg_ctx, pid_to_procid(pid),
 121                                                    MSG_PING,
 122                                                    (uint8 *)buf, 11)))
 123                            ping_count++;
 124                         if(NT_STATUS_IS_OK(messaging_send(
 125                                                    msg_ctx, pid_to_procid(pid),
 126                                                    MSG_PING, &data_blob_null)))
 127                            ping_count++;
 128
 129                         while (ping_count > pong_count + 20) {
 130                                 ret = tevent_loop_once(evt_ctx);
 131                                 if (ret != 0) {
 132                                         break;
 133                                 }
 134                         }
 135                 }
 136
 137                 printf("waiting for %d remaining replies (done %d)\n",
 138                        (int)(ping_count - pong_count), pong_count);
 139                 while (timeval_elapsed(&tv) < 30 && pong_count < ping_count) {
 140                         ret = tevent_loop_once(evt_ctx);
 141                         if (ret != 0) {
 142                                 break;
 143                         }
 144                 }
 145
 146                 if (ping_count != pong_count) {
 147                         fprintf(stderr, "ping test failed! received %d, sent "
 148                                 "%d\n", pong_count, (int)ping_count);
 149                 }
 150
 151                 printf("ping rate of %.0f messages/sec\n",
 152                        (ping_count+pong_count)/timeval_elapsed(&tv));
 153         }
 154
 155         return (0);
 156 }
 157