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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
/*
Copyright (c) 2007-2012 iMatix Corporation
Copyright (c) 2011 250bpm s.r.o.
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "../include/zmq.h"
#include "../include/zmq_utils.h"
#include <pthread.h>
#include <string.h>
#include "testutil.hpp"
// REQ socket events handled
static int req_socket_events;
// 2nd REQ socket events handled
static int req2_socket_events;
// REP socket events handled
static int rep_socket_events;
const char *addr;
extern "C"
{
// REQ socket monitor thread
static void *req_socket_monitor (void *ctx)
{
zmq_event_t event;
int rc;
void *s = zmq_socket (ctx, ZMQ_PAIR);
assert (s);
rc = zmq_connect (s, "inproc://monitor.req");
assert (rc == 0);
while (true) {
zmq_msg_t msg;
zmq_msg_init (&msg);
rc = zmq_recvmsg (s, &msg, 0);
if (rc == -1 && zmq_errno() == ETERM) break;
assert (rc != -1);
memcpy (&event, zmq_msg_data (&msg), sizeof (event));
switch (event.event) {
case ZMQ_EVENT_CONNECTED:
assert (event.data.connected.fd > 0);
assert (!strcmp (event.data.connected.addr, addr));
req_socket_events |= ZMQ_EVENT_CONNECTED;
req2_socket_events |= ZMQ_EVENT_CONNECTED;
break;
case ZMQ_EVENT_CONNECT_DELAYED:
assert (event.data.connect_delayed.err != 0);
assert (!strcmp (event.data.connect_delayed.addr, addr));
req_socket_events |= ZMQ_EVENT_CONNECT_DELAYED;
break;
case ZMQ_EVENT_CLOSE_FAILED:
assert (event.data.close_failed.err != 0);
assert (!strcmp (event.data.close_failed.addr, addr));
req_socket_events |= ZMQ_EVENT_CLOSE_FAILED;
break;
case ZMQ_EVENT_CLOSED:
assert (event.data.closed.fd != 0);
assert (!strcmp (event.data.closed.addr, addr));
req_socket_events |= ZMQ_EVENT_CLOSED;
break;
case ZMQ_EVENT_DISCONNECTED:
assert (event.data.disconnected.fd != 0);
assert (!strcmp (event.data.disconnected.addr, addr));
req_socket_events |= ZMQ_EVENT_DISCONNECTED;
break;
}
}
zmq_close (s);
return NULL;
}
}
extern "C"
{
// 2nd REQ socket monitor thread
static void *req2_socket_monitor (void *ctx)
{
zmq_event_t event;
int rc;
void *s = zmq_socket (ctx, ZMQ_PAIR);
assert (s);
rc = zmq_connect (s, "inproc://monitor.req2");
assert (rc == 0);
while (true) {
zmq_msg_t msg;
zmq_msg_init (&msg);
rc = zmq_recvmsg (s, &msg, 0);
if (rc == -1 && zmq_errno() == ETERM) break;
assert (rc != -1);
memcpy (&event, zmq_msg_data (&msg), sizeof (event));
switch (event.event) {
case ZMQ_EVENT_CONNECTED:
assert (event.data.connected.fd > 0);
assert (!strcmp (event.data.connected.addr, addr));
req2_socket_events |= ZMQ_EVENT_CONNECTED;
break;
case ZMQ_EVENT_CLOSED:
assert (event.data.closed.fd != 0);
assert (!strcmp (event.data.closed.addr, addr));
req2_socket_events |= ZMQ_EVENT_CLOSED;
break;
}
}
zmq_close (s);
return NULL;
}
}
extern "C"
{
// REP socket monitor thread
static void *rep_socket_monitor (void *ctx)
{
zmq_event_t event;
int rc;
void *s = zmq_socket (ctx, ZMQ_PAIR);
assert (s);
rc = zmq_connect (s, "inproc://monitor.rep");
assert (rc == 0);
while (true) {
zmq_msg_t msg;
zmq_msg_init (&msg);
rc = zmq_recvmsg (s, &msg, 0);
if (rc == -1 && zmq_errno() == ETERM) break;
assert (rc != -1);
memcpy (&event, zmq_msg_data (&msg), sizeof (event));
switch (event.event) {
case ZMQ_EVENT_LISTENING:
assert (event.data.listening.fd > 0);
assert (!strcmp (event.data.listening.addr, addr));
rep_socket_events |= ZMQ_EVENT_LISTENING;
break;
case ZMQ_EVENT_ACCEPTED:
assert (event.data.accepted.fd > 0);
assert (!strcmp (event.data.accepted.addr, addr));
rep_socket_events |= ZMQ_EVENT_ACCEPTED;
break;
case ZMQ_EVENT_CLOSE_FAILED:
assert (event.data.close_failed.err != 0);
assert (!strcmp (event.data.close_failed.addr, addr));
rep_socket_events |= ZMQ_EVENT_CLOSE_FAILED;
break;
case ZMQ_EVENT_CLOSED:
assert (event.data.closed.fd != 0);
assert (!strcmp (event.data.closed.addr, addr));
rep_socket_events |= ZMQ_EVENT_CLOSED;
break;
case ZMQ_EVENT_DISCONNECTED:
assert (event.data.disconnected.fd != 0);
assert (!strcmp (event.data.disconnected.addr, addr));
rep_socket_events |= ZMQ_EVENT_DISCONNECTED;
break;
}
zmq_msg_close (&msg);
}
zmq_close (s);
return NULL;
}
}
int main (void)
{
int rc;
void *req;
void *req2;
void *rep;
pthread_t threads [3];
addr = "tcp://127.0.0.1:5560";
// Create the infrastructure
void *ctx = zmq_init (1);
assert (ctx);
// REP socket
rep = zmq_socket (ctx, ZMQ_REP);
assert (rep);
// Assert supported protocols
rc = zmq_socket_monitor (rep, addr, 0);
assert (rc == -1);
assert (zmq_errno() == EPROTONOSUPPORT);
// Deregister monitor
rc = zmq_socket_monitor (rep, NULL, 0);
assert (rc == 0);
// REP socket monitor, all events
rc = zmq_socket_monitor (rep, "inproc://monitor.rep", ZMQ_EVENT_ALL);
assert (rc == 0);
rc = pthread_create (&threads [0], NULL, rep_socket_monitor, ctx);
assert (rc == 0);
rc = zmq_bind (rep, addr);
assert (rc == 0);
// REQ socket
req = zmq_socket (ctx, ZMQ_REQ);
assert (req);
// REQ socket monitor, all events
rc = zmq_socket_monitor (req, "inproc://monitor.req", ZMQ_EVENT_ALL);
assert (rc == 0);
rc = pthread_create (&threads [1], NULL, req_socket_monitor, ctx);
assert (rc == 0);
rc = zmq_connect (req, addr);
assert (rc == 0);
// 2nd REQ socket
req2 = zmq_socket (ctx, ZMQ_REQ);
assert (req2);
// 2nd REQ socket monitor, connected event only
rc = zmq_socket_monitor (req2, "inproc://monitor.req2", ZMQ_EVENT_CONNECTED);
assert (rc == 0);
rc = pthread_create (&threads [2], NULL, req2_socket_monitor, ctx);
assert (rc == 0);
rc = zmq_connect (req2, addr);
assert (rc == 0);
bounce (rep, req);
// Allow a window for socket events as connect can be async
zmq_sleep (1);
// Close the REP socket
rc = zmq_close (rep);
assert (rc == 0);
// Allow some time for detecting error states
zmq_sleep (1);
// Close the REQ socket
rc = zmq_close (req);
assert (rc == 0);
// Close the 2nd REQ socket
rc = zmq_close (req2);
assert (rc == 0);
// Allow for closed or disconnected events to bubble up
zmq_sleep (1);
zmq_term (ctx);
// Expected REP socket events
assert (rep_socket_events & ZMQ_EVENT_LISTENING);
assert (rep_socket_events & ZMQ_EVENT_ACCEPTED);
assert (rep_socket_events & ZMQ_EVENT_CLOSED);
// Expected REQ socket events
assert (req_socket_events & ZMQ_EVENT_CONNECTED);
assert (req_socket_events & ZMQ_EVENT_DISCONNECTED);
assert (req_socket_events & ZMQ_EVENT_CLOSED);
// Expected 2nd REQ socket events
assert (req2_socket_events & ZMQ_EVENT_CONNECTED);
assert (!(req2_socket_events & ZMQ_EVENT_CLOSED));
pthread_exit (NULL);
return 0 ;
}
|
