1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*
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", 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",
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, ping_count);
}
printf("ping rate of %.0f messages/sec\n",
(ping_count+pong_count)/timeval_elapsed(&tv));
}
return (0);
}
|
