File: paho_client_test.c

package info (click to toggle)
aws-crt-python 0.20.4%2Bdfsg-1~bpo12%2B1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-backports
  • size: 72,656 kB
  • sloc: ansic: 381,805; python: 23,008; makefile: 6,251; sh: 4,536; cpp: 699; ruby: 208; java: 77; perl: 73; javascript: 46; xml: 11
file content (426 lines) | stat: -rw-r--r-- 12,183 bytes parent folder | download | duplicates (3)
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
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
/**
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0.
 */

#include <aws/mqtt/private/client_impl.h>

#include <aws/mqtt/mqtt.h>
#include <aws/mqtt/private/packets.h>

#include <aws/io/channel.h>
#include <aws/io/channel_bootstrap.h>
#include <aws/io/event_loop.h>
#include <aws/io/socket.h>
#include <aws/io/socket_channel_handler.h>

#include <aws/common/condition_variable.h>
#include <aws/common/device_random.h>
#include <aws/common/mutex.h>
#include <aws/common/string.h>
#include <aws/common/thread.h>

#include <stdio.h>
#include <stdlib.h>
#ifdef WIN32
#    include <Windows.h>
#    define sleep Sleep
#else
#    include <unistd.h>
#endif

/* Note: to successfully run this test, a broker on localhost:1883 is required, eg: mosquitto */

static struct aws_byte_cursor s_client_id = {
    .ptr = (uint8_t *)"MyClientId1",
    .len = 11,
};
AWS_STATIC_STRING_FROM_LITERAL(s_subscribe_topic, "a/b");
AWS_STATIC_STRING_FROM_LITERAL(s_hostname, "localhost");

enum { PAYLOAD_LEN = 20000 };
static uint8_t s_payload[PAYLOAD_LEN];

struct test_context {
    struct aws_allocator *allocator;

    struct aws_mutex lock;
    struct aws_condition_variable signal;
    struct aws_event_loop_group *el_group;
    struct aws_host_resolver *resolver;
    struct aws_client_bootstrap *bootstrap;
    struct aws_mqtt_client *client;
    struct aws_mqtt_client_connection *connection;
    bool retained_packet_received;
    bool on_any_publish_fired;
    bool connection_complete;
    bool received_pub_ack;
    bool received_unsub_ack;
    bool on_disconnect_received;
};

static void s_on_packet_received(
    struct aws_mqtt_client_connection *connection,
    const struct aws_byte_cursor *topic,
    const struct aws_byte_cursor *payload,
    bool dup,
    enum aws_mqtt_qos qos,
    bool retain,
    void *user_data) {

    (void)connection;
    (void)topic;
    (void)dup;
    (void)qos;
    (void)retain;

    struct aws_byte_cursor expected_payload = {
        .ptr = s_payload,
        .len = PAYLOAD_LEN,
    };
    (void)expected_payload;
    AWS_FATAL_ASSERT(aws_byte_cursor_eq(payload, &expected_payload));

    printf("2 started\n");

    struct test_context *tester = user_data;

    aws_mutex_lock(&tester->lock);
    tester->retained_packet_received = true;
    aws_mutex_unlock(&tester->lock);
    aws_condition_variable_notify_one(&tester->signal);
}

static void s_on_any_packet_received(
    struct aws_mqtt_client_connection *connection,
    const struct aws_byte_cursor *topic,
    const struct aws_byte_cursor *payload,
    bool dup,
    enum aws_mqtt_qos qos,
    bool retain,
    void *user_data) {

    (void)connection;
    (void)topic;
    (void)dup;
    (void)qos;
    (void)retain;

    struct aws_byte_cursor expected_payload = {
        .ptr = s_payload,
        .len = PAYLOAD_LEN,
    };
    (void)expected_payload;
    AWS_FATAL_ASSERT(aws_byte_cursor_eq(payload, &expected_payload));

    struct test_context *tester = user_data;

    aws_mutex_lock(&tester->lock);
    tester->on_any_publish_fired = true;
    aws_mutex_unlock(&tester->lock);
    aws_condition_variable_notify_one(&tester->signal);
}

static void s_mqtt_on_puback(
    struct aws_mqtt_client_connection *connection,
    uint16_t packet_id,
    int error_code,
    void *userdata) {

    (void)connection;
    (void)packet_id;
    (void)error_code;

    AWS_FATAL_ASSERT(error_code == AWS_OP_SUCCESS);

    struct test_context *tester = userdata;

    printf("2 started\n");

    aws_mutex_lock(&tester->lock);
    tester->received_pub_ack = true;
    aws_mutex_unlock(&tester->lock);
    aws_condition_variable_notify_one(&tester->signal);
}

static void s_mqtt_on_connection_complete(
    struct aws_mqtt_client_connection *connection,
    int error_code,
    enum aws_mqtt_connect_return_code return_code,
    bool session_present,
    void *user_data) {

    (void)connection;
    (void)error_code;
    (void)return_code;
    (void)session_present;

    AWS_FATAL_ASSERT(error_code == AWS_OP_SUCCESS);
    AWS_FATAL_ASSERT(return_code == AWS_MQTT_CONNECT_ACCEPTED);
    AWS_FATAL_ASSERT(session_present == false);

    struct test_context *tester = user_data;

    printf("1 started\n");

    aws_mutex_lock(&tester->lock);
    tester->connection_complete = true;
    aws_mutex_unlock(&tester->lock);
    aws_condition_variable_notify_one(&tester->signal);
}

static void s_mqtt_on_interrupted(struct aws_mqtt_client_connection *connection, int error_code, void *userdata) {

    (void)connection;
    (void)error_code;
    (void)userdata;

    printf("Connection offline\n");
}

static void s_mqtt_on_resumed(
    struct aws_mqtt_client_connection *connection,
    enum aws_mqtt_connect_return_code return_code,
    bool session_present,
    void *userdata) {

    (void)connection;
    (void)return_code;
    (void)session_present;
    (void)userdata;

    printf("Connection resumed\n");
}

static void s_mqtt_on_unsuback(
    struct aws_mqtt_client_connection *connection,
    uint16_t packet_id,
    int error_code,
    void *userdata) {

    (void)connection;
    (void)packet_id;
    (void)error_code;

    AWS_FATAL_ASSERT(error_code == AWS_OP_SUCCESS);

    struct test_context *tester = userdata;

    printf("2 started\n");

    aws_mutex_lock(&tester->lock);
    tester->received_unsub_ack = true;
    aws_mutex_unlock(&tester->lock);
    aws_condition_variable_notify_one(&tester->signal);
}

static void s_mqtt_on_disconnect(struct aws_mqtt_client_connection *connection, void *user_data) {

    (void)connection;

    struct test_context *tester = user_data;

    printf("3 started\n");

    aws_mutex_lock(&tester->lock);
    tester->on_disconnect_received = true;
    aws_mutex_unlock(&tester->lock);
    aws_condition_variable_notify_one(&tester->signal);
}

static bool s_is_connection_complete_pred(void *user_data) {
    struct test_context *tester = user_data;
    return tester->connection_complete;
}

static bool s_received_pub_ack_pred(void *user_data) {
    struct test_context *tester = user_data;
    return tester->received_pub_ack;
}

static bool s_on_disconnect_received(void *user_data) {
    struct test_context *tester = user_data;
    return tester->on_disconnect_received;
}

static bool s_retained_and_any_publish_pred(void *user_data) {
    struct test_context *tester = user_data;
    return tester->retained_packet_received && tester->on_any_publish_fired;
}
static bool s_received_unsub_ack_pred(void *user_data) {
    struct test_context *tester = user_data;
    return tester->received_unsub_ack;
}

static void s_wait_on_tester_predicate(struct test_context *tester, bool (*predicate)(void *)) {
    aws_mutex_lock(&tester->lock);
    aws_condition_variable_wait_pred(&tester->signal, &tester->lock, predicate, tester);
    aws_mutex_unlock(&tester->lock);
}

static int s_initialize_test(
    struct test_context *tester,
    struct aws_allocator *allocator,
    struct aws_mqtt_connection_options *conn_options) {
    aws_mqtt_library_init(allocator);

    aws_mutex_init(&tester->lock);
    aws_condition_variable_init(&tester->signal);

    tester->el_group = aws_event_loop_group_new_default(allocator, 1, NULL);

    struct aws_host_resolver_default_options resolver_options = {
        .el_group = tester->el_group,
        .max_entries = 8,
    };
    tester->resolver = aws_host_resolver_new_default(allocator, &resolver_options);

    struct aws_client_bootstrap_options bootstrap_options = {
        .event_loop_group = tester->el_group,
        .host_resolver = tester->resolver,
    };
    tester->bootstrap = aws_client_bootstrap_new(allocator, &bootstrap_options);

    tester->client = aws_mqtt_client_new(allocator, tester->bootstrap);
    tester->connection = aws_mqtt_client_connection_new(tester->client);

    aws_mqtt_client_connection_set_connection_interruption_handlers(
        tester->connection, s_mqtt_on_interrupted, NULL, s_mqtt_on_resumed, NULL);

    aws_mqtt_client_connection_set_on_any_publish_handler(tester->connection, s_on_any_packet_received, tester);

    AWS_FATAL_ASSERT(aws_mqtt_client_connection_connect(tester->connection, conn_options) == AWS_OP_SUCCESS);

    return AWS_OP_SUCCESS;
}

static void s_cleanup_test(struct test_context *tester) {

    aws_mqtt_client_connection_release(tester->connection);
    aws_mqtt_client_release(tester->client);

    aws_client_bootstrap_release(tester->bootstrap);
    aws_host_resolver_release(tester->resolver);
    aws_event_loop_group_release(tester->el_group);

    aws_thread_join_all_managed();

    aws_mutex_clean_up(&tester->lock);
    aws_condition_variable_clean_up(&tester->signal);

    aws_mqtt_library_clean_up();
}

int main(int argc, char **argv) {
    (void)argc;
    (void)argv;

    struct aws_allocator *allocator = aws_mem_tracer_new(aws_default_allocator(), NULL, AWS_MEMTRACE_BYTES, 0);

    struct test_context tester;
    AWS_ZERO_STRUCT(tester);

    struct aws_byte_cursor host_name_cur = aws_byte_cursor_from_string(s_hostname);

    struct aws_socket_options options;
    AWS_ZERO_STRUCT(options);
    options.connect_timeout_ms = 3000;
    options.type = AWS_SOCKET_STREAM;
    options.domain = AWS_SOCKET_IPV4;

    struct aws_mqtt_connection_options conn_options = {
        .host_name = host_name_cur,
        .port = 1883,
        .socket_options = &options,
        .tls_options = NULL,
        .client_id = s_client_id,
        .keep_alive_time_secs = 0,
        .ping_timeout_ms = 0,
        .on_connection_complete = s_mqtt_on_connection_complete,
        .user_data = &tester,
        .clean_session = true,
    };

    AWS_FATAL_ASSERT(AWS_OP_SUCCESS == s_initialize_test(&tester, allocator, &conn_options));

    /* Wait for connack */
    s_wait_on_tester_predicate(&tester, s_is_connection_complete_pred);

    printf("1 done\n");

    struct aws_byte_cursor subscribe_topic_cur = aws_byte_cursor_from_string(s_subscribe_topic);

    /* Populate the payload */
    struct aws_byte_cursor payload_cur = aws_byte_cursor_from_array(s_payload, PAYLOAD_LEN);

    aws_mqtt_client_connection_publish(
        tester.connection,
        &subscribe_topic_cur,
        AWS_MQTT_QOS_EXACTLY_ONCE,
        true,
        &payload_cur,
        &s_mqtt_on_puback,
        &tester);

    /* Wait for puback */
    s_wait_on_tester_predicate(&tester, s_received_pub_ack_pred);

    printf("2 done\n");

    aws_mqtt_client_connection_disconnect(tester.connection, s_mqtt_on_disconnect, &tester);

    /* Wait for disconnack */
    s_wait_on_tester_predicate(&tester, s_on_disconnect_received);

    printf("3 done\n");

    aws_mutex_lock(&tester.lock);
    tester.connection_complete = false;
    tester.on_disconnect_received = false;
    aws_mutex_unlock(&tester.lock);

    AWS_FATAL_ASSERT(AWS_OP_SUCCESS == aws_mqtt_client_connection_connect(tester.connection, &conn_options));

    /* Wait for connack */
    s_wait_on_tester_predicate(&tester, s_is_connection_complete_pred);

    printf("1 done\n");

    /* Subscribe (no on_suback, the on_message received will trigger the cv) */
    aws_mqtt_client_connection_subscribe(
        tester.connection,
        &subscribe_topic_cur,
        AWS_MQTT_QOS_EXACTLY_ONCE,
        &s_on_packet_received,
        &tester,
        NULL,
        NULL,
        NULL);

    /* Wait for PUBLISH */
    s_wait_on_tester_predicate(&tester, s_retained_and_any_publish_pred);

    printf("2 done\n");

    struct aws_byte_cursor topic_filter =
        aws_byte_cursor_from_array(aws_string_bytes(s_subscribe_topic), s_subscribe_topic->len);
    aws_mqtt_client_connection_unsubscribe(tester.connection, &topic_filter, &s_mqtt_on_unsuback, &tester);

    /* Wait for UNSUBACK */
    s_wait_on_tester_predicate(&tester, s_received_unsub_ack_pred);

    printf("3 done\n");

    sleep(4);

    aws_mqtt_client_connection_disconnect(tester.connection, s_mqtt_on_disconnect, &tester);

    s_wait_on_tester_predicate(&tester, s_on_disconnect_received);

    s_cleanup_test(&tester);

    AWS_FATAL_ASSERT(0 == aws_mem_tracer_count(allocator));
    allocator = aws_mem_tracer_destroy(allocator);

    return AWS_OP_SUCCESS;
}