1 /**
2 * @file aiot_devinfo_api.c
3 * @brief devinfo模块的API接口实现, 提供更新和删除设备标签的能力
4 *
5 * @copyright Copyright (C) 2015-2020 Alibaba Group Holding Limited
6 *
7 */
8
9 #include "devinfo_private.h"
10
11 #include "core_string.h"
12 #include "core_log.h"
13 #include "core_global.h"
14 #include "core_mqtt.h"
15
_core_devinfo_exec_inc(devinfo_handle_t * devinfo_handle)16 static void _core_devinfo_exec_inc(devinfo_handle_t *devinfo_handle)
17 {
18 devinfo_handle->sysdep->core_sysdep_mutex_lock(devinfo_handle->data_mutex);
19 devinfo_handle->exec_count++;
20 devinfo_handle->sysdep->core_sysdep_mutex_unlock(devinfo_handle->data_mutex);
21 }
22
_core_devinfo_exec_dec(devinfo_handle_t * devinfo_handle)23 static void _core_devinfo_exec_dec(devinfo_handle_t *devinfo_handle)
24 {
25 devinfo_handle->sysdep->core_sysdep_mutex_lock(devinfo_handle->data_mutex);
26 devinfo_handle->exec_count--;
27 devinfo_handle->sysdep->core_sysdep_mutex_unlock(devinfo_handle->data_mutex);
28 }
29
_devinfo_find_pk_dn(devinfo_handle_t * devinfo_handle,char * topic,uint16_t topic_len,char ** product_key,char ** device_name)30 static void _devinfo_find_pk_dn(devinfo_handle_t *devinfo_handle, char *topic, uint16_t topic_len, char **product_key, char **device_name)
31 {
32 uint16_t idx = 0, prev_slash = 0, slash = 0, pk_len = 0, dn_len = 0;
33 char *pk_pos = NULL, *dn_pos = NULL, *tmp_pk = NULL, *tmp_dn = NULL;
34
35 for (idx = 0;idx < topic_len;idx++) {
36 if (topic[idx] == '/') {
37 slash++;
38 if (slash == 2) {
39 pk_pos = &topic[idx + 1];
40 prev_slash = idx;
41 } else if (slash == 3) {
42 dn_pos = &topic[idx + 1];
43 pk_len = idx - prev_slash - 1;
44 prev_slash = idx;
45 } else if (slash == 4) {
46 dn_len = idx - prev_slash - 1;
47 break;
48 }
49 }
50 }
51
52 if (pk_len == 0 || dn_len == 0) {
53 return;
54 }
55
56 tmp_pk = devinfo_handle->sysdep->core_sysdep_malloc(pk_len + 1, DEVINFO_MODULE_NAME);
57 if (tmp_pk == NULL) {
58 return;
59 }
60 memset(tmp_pk, 0, pk_len + 1);
61 memcpy(tmp_pk, pk_pos, pk_len);
62
63 tmp_dn = devinfo_handle->sysdep->core_sysdep_malloc(dn_len + 1, DEVINFO_MODULE_NAME);
64 if (tmp_dn == NULL) {
65 devinfo_handle->sysdep->core_sysdep_free(tmp_pk);
66 return;
67 }
68 memset(tmp_dn, 0, dn_len + 1);
69 memcpy(tmp_dn, dn_pos, dn_len);
70
71 *product_key = tmp_pk;
72 *device_name = tmp_dn;
73 }
74
_devinfo_mqtt_recv_handler(void * handle,const aiot_mqtt_recv_t * packet,void * userdata)75 static void _devinfo_mqtt_recv_handler(void *handle, const aiot_mqtt_recv_t *packet, void *userdata)
76 {
77 devinfo_handle_t *devinfo_handle = (devinfo_handle_t *)userdata;
78 aiot_devinfo_event_t event;
79 char *product_key = NULL, *device_name = NULL;
80 char *code_key = "code", *id_key = "id", *data_key = "data", *message_key = "message";
81 char *code_value = NULL, *id_value = NULL, *data_value = NULL, *message_value = NULL;
82 uint32_t code_value_len = 0, id_value_len = 0, data_value_len = 0, message_value_len = 0;
83
84 if (devinfo_handle->recv_handler == NULL) {
85 return;
86 }
87
88 _devinfo_find_pk_dn(devinfo_handle, packet->data.pub.topic, packet->data.pub.topic_len, &product_key, &device_name);
89 if (product_key == NULL || device_name == NULL) {
90 if (devinfo_handle->event_handler != NULL) {
91 memset(&event, 0, sizeof(aiot_devinfo_event_t));
92 event.type = AIOT_DEVINFOEVT_INVALID_DEVINFO;
93 devinfo_handle->event_handler(devinfo_handle, &event, devinfo_handle->userdata);
94 }
95 return;
96 }
97
98 if (core_json_value((char *)packet->data.pub.payload, packet->data.pub.payload_len,
99 code_key, (uint32_t)strlen(code_key) ,&code_value, &code_value_len) == STATE_SUCCESS &&
100 core_json_value((char *)packet->data.pub.payload, packet->data.pub.payload_len,
101 id_key, (uint32_t)strlen(id_key) ,&id_value, &id_value_len) == STATE_SUCCESS &&
102 core_json_value((char *)packet->data.pub.payload, packet->data.pub.payload_len,
103 data_key, (uint32_t)strlen(data_key) ,&data_value, &data_value_len) == STATE_SUCCESS &&
104 core_json_value((char *)packet->data.pub.payload, packet->data.pub.payload_len,
105 message_key, (uint32_t)strlen(message_key) ,&message_value, &message_value_len) == STATE_SUCCESS) {
106 uint32_t code = 0, id = 0;
107 if (core_str2uint(code_value, code_value_len, &code) == STATE_SUCCESS &&
108 core_str2uint(id_value, id_value_len, &id) == STATE_SUCCESS) {
109 aiot_devinfo_recv_t recv;
110
111 memset(&recv, 0, sizeof(aiot_devinfo_recv_t));
112 recv.product_key = product_key;
113 recv.device_name = device_name;
114 recv.type = AIOT_DEVINFORECV_GENERIC_REPLY;
115 recv.data.generic_reply.code = code;
116 recv.data.generic_reply.msg_id = id;
117 recv.data.generic_reply.data = data_value;
118 recv.data.generic_reply.data_len = data_value_len;
119 recv.data.generic_reply.message = message_value;
120 recv.data.generic_reply.message_len = message_value_len;
121
122 devinfo_handle->recv_handler(devinfo_handle, &recv, devinfo_handle->userdata);
123 } else {
124 if (devinfo_handle->event_handler != NULL) {
125 memset(&event, 0, sizeof(aiot_devinfo_event_t));
126 event.type = AIOT_DEVINFOEVT_INVALID_RESPONSE_FORMAT;
127 devinfo_handle->event_handler(devinfo_handle, &event, devinfo_handle->userdata);
128 }
129 }
130 } else {
131 if (devinfo_handle->event_handler != NULL) {
132 memset(&event, 0, sizeof(aiot_devinfo_event_t));
133 event.type = AIOT_DEVINFOEVT_INVALID_RESPONSE;
134 devinfo_handle->event_handler(devinfo_handle, &event, devinfo_handle->userdata);
135 }
136 }
137 devinfo_handle->sysdep->core_sysdep_free(product_key);
138 devinfo_handle->sysdep->core_sysdep_free(device_name);
139 }
140
_devinfo_operate_topic_map(devinfo_handle_t * devinfo_handle,aiot_mqtt_option_t option)141 static int32_t _devinfo_operate_topic_map(devinfo_handle_t *devinfo_handle, aiot_mqtt_option_t option)
142 {
143 int32_t res = STATE_SUCCESS;
144 aiot_mqtt_topic_map_t map;
145
146 if (option == AIOT_MQTTOPT_NETWORK_CRED) {
147 return STATE_USER_INPUT_OUT_RANGE;
148 }
149
150 memset(&map, 0, sizeof(aiot_mqtt_topic_map_t));
151 map.topic = DEVINFO_UPDATE_REPLY_TOPIC;
152 map.handler = _devinfo_mqtt_recv_handler;
153 map.userdata = devinfo_handle;
154
155 res = aiot_mqtt_setopt(devinfo_handle->mqtt_handle, option, &map);
156 if (res < STATE_SUCCESS) {
157 return res;
158 }
159
160 map.topic = DEVINFO_DELETE_REPLY_TOPIC;
161 map.handler = _devinfo_mqtt_recv_handler;
162 map.userdata = devinfo_handle;
163
164 res = aiot_mqtt_setopt(devinfo_handle->mqtt_handle, option, &map);
165 if (res < STATE_SUCCESS) {
166 return res;
167 }
168
169 return STATE_SUCCESS;
170 }
171
_devinfo_send(devinfo_handle_t * devinfo_handle,char * product_key,char * device_name,aiot_devinfo_msg_data_t * data,char * topic_fmt)172 static int32_t _devinfo_send(devinfo_handle_t *devinfo_handle, char *product_key, char *device_name, aiot_devinfo_msg_data_t *data, char *topic_fmt)
173 {
174 int32_t res = STATE_SUCCESS, alink_id = 0;
175 char *topic = NULL, *payload = NULL;
176 char *topic_src[] = { product_key, device_name };
177 char alink_id_str[11] = {0}, *payload_src[] = { alink_id_str, data->params };
178 char *payload_fmt = "{\"id\":\"%s\",\"version\":\"1.0\",\"params\":%s}";
179
180 res = core_global_alink_id_next(devinfo_handle->sysdep, &alink_id);
181 if (res < STATE_SUCCESS) {
182 return res;
183 }
184
185 res = core_int2str(alink_id, alink_id_str, NULL);
186 if (res < STATE_SUCCESS) {
187 return res;
188 }
189
190 res = core_sprintf(devinfo_handle->sysdep, &topic, topic_fmt, topic_src, sizeof(topic_src)/sizeof(char *), DEVINFO_MODULE_NAME);
191 if (res < STATE_SUCCESS) {
192 return res;
193 }
194
195 res = core_sprintf(devinfo_handle->sysdep, &payload, payload_fmt, payload_src, sizeof(payload_src)/sizeof(char *), DEVINFO_MODULE_NAME);
196 if (res < STATE_SUCCESS) {
197 devinfo_handle->sysdep->core_sysdep_free(topic);
198 return res;
199 }
200
201 res = aiot_mqtt_pub(devinfo_handle->mqtt_handle, topic, (uint8_t *)payload, (uint32_t)strlen(payload), 0);
202 devinfo_handle->sysdep->core_sysdep_free(topic);
203 devinfo_handle->sysdep->core_sysdep_free(payload);
204
205 if (res >= STATE_SUCCESS) {
206 res = alink_id;
207 }
208
209 return res;
210 }
211
_devinfo_core_mqtt_process_handler(void * context,aiot_mqtt_event_t * event,core_mqtt_event_t * core_event)212 static void _devinfo_core_mqtt_process_handler(void *context, aiot_mqtt_event_t *event, core_mqtt_event_t *core_event)
213 {
214 devinfo_handle_t *devinfo_handle = (devinfo_handle_t *)context;
215
216 if (core_event != NULL) {
217 switch (core_event->type) {
218 case CORE_MQTTEVT_DEINIT: {
219 devinfo_handle->mqtt_handle = NULL;
220 return;
221 }
222 break;
223 default: {
224
225 }
226 break;
227 }
228 }
229 }
230
_devinfo_core_mqtt_operate_process_handler(devinfo_handle_t * devinfo_handle,core_mqtt_option_t option)231 static int32_t _devinfo_core_mqtt_operate_process_handler(devinfo_handle_t *devinfo_handle, core_mqtt_option_t option)
232 {
233 core_mqtt_process_data_t process_data;
234
235 memset(&process_data, 0, sizeof(core_mqtt_process_data_t));
236 process_data.handler = _devinfo_core_mqtt_process_handler;
237 process_data.context = devinfo_handle;
238
239 return core_mqtt_setopt(devinfo_handle->mqtt_handle, option, &process_data);
240 }
241
aiot_devinfo_init(void)242 void *aiot_devinfo_init(void)
243 {
244 int32_t res = STATE_SUCCESS;
245 devinfo_handle_t *devinfo_handle = NULL;
246 aiot_sysdep_portfile_t *sysdep = NULL;
247
248 sysdep = aiot_sysdep_get_portfile();
249 if (sysdep == NULL) {
250 return NULL;
251 }
252
253 res = core_global_init(sysdep);
254 if (res < STATE_SUCCESS) {
255 return NULL;
256 }
257
258 devinfo_handle = sysdep->core_sysdep_malloc(sizeof(devinfo_handle_t), DEVINFO_MODULE_NAME);
259 if (devinfo_handle == NULL) {
260 core_global_deinit(sysdep);
261 return NULL;
262 }
263 memset(devinfo_handle, 0, sizeof(devinfo_handle_t));
264
265 devinfo_handle->sysdep = sysdep;
266 devinfo_handle->deinit_timeout_ms = DEVINFO_DEFAULT_DEINIT_TIMEOUT_MS;
267
268 devinfo_handle->data_mutex = sysdep->core_sysdep_mutex_init();
269
270 devinfo_handle->exec_enabled = 1;
271
272 return devinfo_handle;
273 }
274
aiot_devinfo_setopt(void * handle,aiot_devinfo_option_t option,void * data)275 int32_t aiot_devinfo_setopt(void *handle, aiot_devinfo_option_t option, void *data)
276 {
277 int32_t res = STATE_SUCCESS;
278 devinfo_handle_t *devinfo_handle = (devinfo_handle_t *)handle;
279
280 if (handle == NULL || data == NULL) {
281 return STATE_USER_INPUT_NULL_POINTER;
282 }
283
284 if (option >= AIOT_DEVINFOOPT_MAX) {
285 return STATE_USER_INPUT_OUT_RANGE;
286 }
287
288 if (devinfo_handle->exec_enabled == 0) {
289 return STATE_USER_INPUT_EXEC_DISABLED;
290 }
291
292 _core_devinfo_exec_inc(devinfo_handle);
293
294 devinfo_handle->sysdep->core_sysdep_mutex_lock(devinfo_handle->data_mutex);
295 switch (option) {
296 case AIOT_DEVINFOOPT_MQTT_HANDLE: {
297 devinfo_handle->mqtt_handle = data;
298 devinfo_handle->sysdep->core_sysdep_mutex_unlock(devinfo_handle->data_mutex);
299 res = _devinfo_operate_topic_map(devinfo_handle, AIOT_MQTTOPT_APPEND_TOPIC_MAP);
300 if (res >= STATE_SUCCESS) {
301 res = _devinfo_core_mqtt_operate_process_handler(devinfo_handle, CORE_MQTTOPT_APPEND_PROCESS_HANDLER);
302 }
303 devinfo_handle->sysdep->core_sysdep_mutex_lock(devinfo_handle->data_mutex);
304 }
305 break;
306 case AIOT_DEVINFOOPT_RECV_HANDLER: {
307 devinfo_handle->recv_handler = (aiot_devinfo_recv_handler_t)data;
308 }
309 break;
310 case AIOT_DEVINFOOPT_EVENT_HANDLER: {
311 devinfo_handle->event_handler = (aiot_devinfo_event_handler_t)data;
312 }
313 break;
314 case AIOT_DEVINFOOPT_USERDATA: {
315 devinfo_handle->userdata = data;
316 }
317 break;
318 case AIOT_DEVINFOOPT_DEINIT_TIMEOUT_MS: {
319 devinfo_handle->deinit_timeout_ms = *(uint32_t *)data;
320 }
321 break;
322 default: {
323 res = STATE_USER_INPUT_UNKNOWN_OPTION;
324 }
325 }
326 devinfo_handle->sysdep->core_sysdep_mutex_unlock(devinfo_handle->data_mutex);
327
328 _core_devinfo_exec_dec(devinfo_handle);
329
330 return res;
331 }
332
aiot_devinfo_deinit(void ** handle)333 int32_t aiot_devinfo_deinit(void **handle)
334 {
335 uint64_t deinit_timestart = 0;
336 devinfo_handle_t *devinfo_handle = NULL;
337
338 if (handle == NULL || *handle == NULL) {
339 return STATE_USER_INPUT_NULL_POINTER;
340 }
341
342 devinfo_handle = *(devinfo_handle_t **)handle;
343
344 if (devinfo_handle->exec_enabled == 0) {
345 return STATE_USER_INPUT_EXEC_DISABLED;
346 }
347
348 devinfo_handle->exec_enabled = 0;
349
350 _devinfo_core_mqtt_operate_process_handler(devinfo_handle, CORE_MQTTOPT_REMOVE_PROCESS_HANDLER);
351 _devinfo_operate_topic_map(devinfo_handle, AIOT_MQTTOPT_REMOVE_TOPIC_MAP);
352
353 deinit_timestart = devinfo_handle->sysdep->core_sysdep_time();
354 do {
355 if (devinfo_handle->exec_count == 0) {
356 break;
357 }
358 devinfo_handle->sysdep->core_sysdep_sleep(DEVINFO_DEINIT_INTERVAL_MS);
359 } while ((devinfo_handle->sysdep->core_sysdep_time() - deinit_timestart) < devinfo_handle->deinit_timeout_ms);
360
361 if (devinfo_handle->exec_count != 0) {
362 return STATE_MQTT_DEINIT_TIMEOUT;
363 }
364
365 *handle = NULL;
366
367 devinfo_handle->sysdep->core_sysdep_mutex_deinit(&devinfo_handle->data_mutex);
368
369 core_global_deinit(devinfo_handle->sysdep);
370
371 devinfo_handle->sysdep->core_sysdep_free(devinfo_handle);
372
373 return STATE_SUCCESS;
374 }
375
aiot_devinfo_send(void * handle,aiot_devinfo_msg_t * msg)376 int32_t aiot_devinfo_send(void *handle, aiot_devinfo_msg_t *msg)
377 {
378 int32_t res = STATE_SUCCESS;
379 devinfo_handle_t *devinfo_handle = (devinfo_handle_t *)handle;
380
381 if (handle == NULL || msg == NULL) {
382 return STATE_USER_INPUT_NULL_POINTER;
383 }
384
385 if (devinfo_handle->mqtt_handle == NULL) {
386 return STATE_DEVINFO_MISSING_MQTT_HANDLE;
387 }
388
389 if (msg->product_key == NULL) {
390 return STATE_USER_INPUT_MISSING_PRODUCT_KEY;
391 }
392
393 if (msg->device_name == NULL) {
394 return STATE_USER_INPUT_MISSING_DEVICE_NAME;
395 }
396
397 switch (msg->type) {
398 case AIOT_DEVINFO_MSG_UPDATE: {
399 if (msg->data.update.params == NULL) {
400 res = STATE_USER_INPUT_NULL_POINTER;
401 }else{
402 res = _devinfo_send(devinfo_handle, msg->product_key, msg->device_name, &msg->data.update, DEVINFO_UPDATE_TOPIC_FMT);
403 }
404 }
405 break;
406 case AIOT_DEVINFO_MSG_DELETE: {
407 if (msg->data.delete.params == NULL) {
408 res = STATE_USER_INPUT_NULL_POINTER;
409 }else{
410 res = _devinfo_send(devinfo_handle, msg->product_key, msg->device_name, &msg->data.delete, DEVINFO_DELETE_TOPIC_FMT);
411 }
412 }
413 break;
414 default: {
415 res = STATE_USER_INPUT_UNKNOWN_OPTION;
416 }
417 }
418
419 return res;
420 }
421
422