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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
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 3 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, see <http://www.gnu.org/licenses/>.
*/
/*
test code for internal messaging
*/
#include "includes.h"
#include "messages.h"
static int pong_count;
/****************************************************************************
a useful function for testing the message system
****************************************************************************/
static void pong_message(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id pid,
DATA_BLOB *data)
{
pong_count++;
}
int main(int argc, char *argv[])
{
struct tevent_context *evt_ctx;
struct messaging_context *msg_ctx;
pid_t pid;
int i, n;
char buf[12];
int ret;
TALLOC_CTX *frame = talloc_stackframe();
smb_init_locale();
setup_logging(argv[0], DEBUG_STDOUT);
lp_load_global(get_dyn_CONFIGFILE());
if (!(evt_ctx = samba_tevent_context_init(NULL)) ||
!(msg_ctx = messaging_init(NULL, evt_ctx))) {
fprintf(stderr, "could not init messaging context\n");
TALLOC_FREE(frame);
exit(1);
}
if (argc != 3) {
fprintf(stderr, "%s: Usage - %s pid count\n", argv[0],
argv[0]);
TALLOC_FREE(frame);
exit(1);
}
pid = atoi(argv[1]);
n = atoi(argv[2]);
messaging_register(msg_ctx, NULL, MSG_PONG, pong_message);
for (i=0;i<n;i++) {
messaging_send(msg_ctx, pid_to_procid(pid), MSG_PING,
&data_blob_null);
}
while (pong_count < i) {
ret = tevent_loop_once(evt_ctx);
if (ret != 0) {
break;
}
}
/* Ensure all messages get through to ourselves. */
pong_count = 0;
strlcpy(buf, "1234567890", sizeof(buf));
for (i=0;i<n;i++) {
messaging_send(msg_ctx, messaging_server_id(msg_ctx), MSG_PING,
&data_blob_null);
messaging_send_buf(msg_ctx, messaging_server_id(msg_ctx),
MSG_PING,(uint8_t *)buf, 11);
}
/*
* We have to loop at least 2 times for
* each message as local ping messages are
* handled by an immediate callback, that
* has to be dispatched, which sends a pong
* message, which also has to be dispatched.
* Above we sent 2*n messages, which means
* we have to dispatch 4*n times.
*/
while (pong_count < n*2) {
ret = tevent_loop_once(evt_ctx);
if (ret != 0) {
break;
}
}
if (pong_count != 2*n) {
fprintf(stderr, "Message count 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(NT_STATUS_IS_OK(messaging_send_buf(
msg_ctx, pid_to_procid(pid),
MSG_PING,
(uint8_t *)buf, 11)))
ping_count++;
if(NT_STATUS_IS_OK(messaging_send(
msg_ctx, pid_to_procid(pid),
MSG_PING, &data_blob_null)))
ping_count++;
while (ping_count > pong_count + 20) {
ret = tevent_loop_once(evt_ctx);
if (ret != 0) {
break;
}
}
}
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) {
ret = tevent_loop_once(evt_ctx);
if (ret != 0) {
break;
}
}
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));
}
TALLOC_FREE(frame);
return (0);
}
|
