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/*
Unix SMB/CIFS implementation.
Copyright (C) Andrew Tridgell 2000
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
test code for internal messaging
*/
#include "includes.h"
static int pong_count;
/* samba4 timeval functions */
double timeval_elapsed2(const struct timeval *tv1, const struct timeval *tv2)
{
return (tv2->tv_sec - tv1->tv_sec) +
(tv2->tv_usec - tv1->tv_usec)*1.0e-6;
}
/**
return the number of seconds elapsed since a given time
*/
double timeval_elapsed(const struct timeval *tv)
{
struct timeval tv2 = timeval_current();
return timeval_elapsed2(tv, &tv2);
}
/****************************************************************************
a useful function for testing the message system
****************************************************************************/
void pong_message(int msg_type, struct process_id src, void *buf, size_t len)
{
pong_count++;
}
int main(int argc, char *argv[])
{
pid_t pid;
int i, n;
char buf[12];
load_case_tables();
setup_logging(argv[0],True);
lp_load(dyn_CONFIGFILE,False,False,False,True);
message_init();
if (argc != 3) {
fprintf(stderr, "%s: Usage - %s pid count\n", argv[0],
argv[0]);
exit(1);
}
pid = atoi(argv[1]);
n = atoi(argv[2]);
message_register(MSG_PONG, pong_message);
for (i=0;i<n;i++) {
message_send_pid(pid_to_procid(pid), MSG_PING, NULL, 0, True);
}
while (pong_count < i) {
message_dispatch();
smb_msleep(1);
}
/* Now test that the duplicate filtering code works. */
pong_count = 0;
safe_strcpy(buf, "1234567890", sizeof(buf)-1);
for (i=0;i<n;i++) {
message_send_pid(pid_to_procid(getpid()), MSG_PING,
NULL, 0, False);
message_send_pid(pid_to_procid(getpid()), MSG_PING,
buf, 11, False);
}
for (i=0;i<n;i++) {
message_dispatch();
smb_msleep(1);
}
if (pong_count != 2) {
fprintf(stderr, "Duplicate filter failed (%d).\n", pong_count);
}
/* Speed testing */
pong_count = 0;
{
struct timeval tv = timeval_current();
size_t timelimit = n;
size_t ping_count = 0;
printf("Sending pings for %d seconds\n", (int)timelimit);
while (timeval_elapsed(&tv) < timelimit) {
if(message_send_pid(pid_to_procid(pid), MSG_PING,
buf, 11, False)) ping_count++;
if(message_send_pid(pid_to_procid(pid), MSG_PING,
NULL, 0, False)) ping_count++;
while (ping_count > pong_count + 20) {
message_dispatch();
}
}
printf("waiting for %d remaining replies (done %d)\n",
(int)(ping_count - pong_count), pong_count);
while (timeval_elapsed(&tv) < 30 && pong_count < ping_count) {
message_dispatch();
}
if (ping_count != pong_count) {
fprintf(stderr, "ping test failed! received %d, sent "
"%d\n", pong_count, (int)ping_count);
}
printf("ping rate of %.0f messages/sec\n",
(ping_count+pong_count)/timeval_elapsed(&tv));
}
return (0);
}
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