source/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 2 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, write to the Free Software
  17    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 /*
  21   test code for internal messaging
  22  */
  23
  24 #include "includes.h"
  25
  26 static int pong_count;
  27
  28
  29 /****************************************************************************
  30 a useful function for testing the message system
  31 ****************************************************************************/
  32 void pong_message(int msg_type, struct process_id src, void *buf, size_t len)
  33 {
  34         pong_count++;
  35 }
  36
  37  int main(int argc, char *argv[])
  38 {
  39         pid_t pid;
  40         int i, n;
  41         char buf[12];
  42
  43         load_case_tables();
  44
  45         setup_logging(argv[0],True);
  46
  47         lp_load(dyn_CONFIGFILE,False,False,False,True);
  48
  49         message_init();
  50
  51         if (argc != 3) {
  52                 fprintf(stderr, "%s: Usage - %s pid count\n", argv[0],
  53                         argv[0]);
  54                 exit(1);
  55         }
  56
  57         pid = atoi(argv[1]);
  58         n = atoi(argv[2]);
  59
  60         message_register(MSG_PONG, pong_message);
  61
  62         for (i=0;i<n;i++) {
  63                 message_send_pid(pid_to_procid(pid), MSG_PING, NULL, 0, True);
  64         }
  65
  66         while (pong_count < i) {
  67                 message_dispatch();
  68                 smb_msleep(1);
  69         }
  70
  71         /* Now test that the duplicate filtering code works. */
  72         pong_count = 0;
  73
  74         safe_strcpy(buf, "1234567890", sizeof(buf)-1);
  75
  76         for (i=0;i<n;i++) {
  77                 message_send_pid(pid_to_procid(getpid()), MSG_PING,
  78                                  NULL, 0, False);
  79                 message_send_pid(pid_to_procid(getpid()), MSG_PING,
  80                                  buf, 11, False);
  81         }
  82
  83         for (i=0;i<n;i++) {
  84                 message_dispatch();
  85                 smb_msleep(1);
  86         }
  87
  88         if (pong_count != 2) {
  89                 fprintf(stderr, "Duplicate filter failed (%d).\n", pong_count);
  90         }
  91
  92         /* Speed testing */
  93
  94         pong_count = 0;
  95
  96         {
  97                 struct timeval tv = timeval_current();
  98                 size_t timelimit = n;
  99                 size_t ping_count = 0;
 100
 101                 printf("Sending pings for %d seconds\n", (int)timelimit);
 102                 while (timeval_elapsed(&tv) < timelimit) {
 103                         if(message_send_pid(pid_to_procid(pid), MSG_PING,
 104                                             buf, 11, False)) ping_count++;
 105                         if(message_send_pid(pid_to_procid(pid), MSG_PING,
 106                                             NULL, 0, False)) ping_count++;
 107
 108                         while (ping_count > pong_count + 20) {
 109                                 message_dispatch();
 110                         }
 111                 }
 112
 113                 printf("waiting for %d remaining replies (done %d)\n",
 114                        (int)(ping_count - pong_count), pong_count);
 115                 while (timeval_elapsed(&tv) < 30 && pong_count < ping_count) {
 116                         message_dispatch();
 117                 }
 118
 119                 if (ping_count != pong_count) {
 120                         fprintf(stderr, "ping test failed! received %d, sent "
 121                                 "%d\n", pong_count, (int)ping_count);
 122                 }
 123
 124                 printf("ping rate of %.0f messages/sec\n",
 125                        (ping_count+pong_count)/timeval_elapsed(&tv));
 126         }
 127
 128         return (0);
 129 }
 130