xref: /btstack/src/mesh/mesh_configuration_client.c (revision 7cdc89a533ca236b2c2564b759993b788bae89d3)
1 /*
2  * Copyright (C) 2019 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define BTSTACK_FILE__ "mesh_configuration_client.c"
39 
40 #include <string.h>
41 #include <stdio.h>
42 
43 #include "mesh/mesh_configuration_client.h"
44 
45 #include "bluetooth_company_id.h"
46 #include "btstack_debug.h"
47 #include "btstack_memory.h"
48 #include "btstack_util.h"
49 
50 #include "mesh/mesh_access.h"
51 #include "mesh/mesh_foundation.h"
52 #include "mesh/mesh_generic_model.h"
53 #include "mesh/mesh_keys.h"
54 #include "mesh/mesh_network.h"
55 #include "mesh/mesh_upper_transport.h"
56 
57 
58 // Mesh Composition Data Element iterator
59 #define MESH_VENDOR_MODEL_SIZE                                  4
60 #define MESH_SIG_MODEL_SIZE                                     2
61 #define MESH_COMPOSITION_DATA_ELEMENT_DESCRIPTION_OFFSET       17
62 #define MESH_COMPOSITION_DATA_ELEMENT_LOCATION_DESCRIPTOR_LEN   2
63 #define MESH_COMPOSITION_DATA_ELEMENT_MODEL_SIZE_LEN            1
64 
65 static inline uint16_t mesh_composition_data_iterator_sig_model_list_size(mesh_composite_data_iterator_t * it){
66     return it->elements[it->offset + 2] * MESH_SIG_MODEL_SIZE;
67 }
68 
69 static inline uint16_t mesh_composition_data_iterator_vendor_model_list_size(mesh_composite_data_iterator_t * it){
70     return it->elements[it->offset + 3] * MESH_VENDOR_MODEL_SIZE;
71 }
72 
73 static inline uint16_t mesh_composition_data_iterator_element_len(mesh_composite_data_iterator_t * it){
74     uint16_t sig_model_list_size    = mesh_composition_data_iterator_sig_model_list_size(it);
75     uint16_t vendor_model_list_size = mesh_composition_data_iterator_vendor_model_list_size(it);
76     uint16_t previous_fields_len = MESH_COMPOSITION_DATA_ELEMENT_LOCATION_DESCRIPTOR_LEN + 2 * MESH_COMPOSITION_DATA_ELEMENT_MODEL_SIZE_LEN;
77 
78     return previous_fields_len + sig_model_list_size + vendor_model_list_size;;
79 }
80 
81 uint16_t mesh_subevent_configuration_composition_data_get_num_elements(const uint8_t * event, uint16_t size){
82     uint16_t pos = MESH_COMPOSITION_DATA_ELEMENT_DESCRIPTION_OFFSET;
83     uint16_t num_elements = 0;
84 
85     while ((pos + 4) <= size){
86         // location descriptor
87         pos += 2;
88         uint8_t num_sig_model_ids = event[pos++];
89         uint8_t num_vendor_model_ids = event[pos++];
90         pos += (num_sig_model_ids + num_vendor_model_ids) * 2;
91         num_elements++;
92     }
93     return num_elements;
94 }
95 
96 void mesh_composition_data_iterator_init(mesh_composite_data_iterator_t * it, const uint8_t * elements, uint16_t size){
97     it->elements = elements;
98     it->size = size;
99     it->offset = MESH_COMPOSITION_DATA_ELEMENT_DESCRIPTION_OFFSET;
100 }
101 
102 bool mesh_composition_data_iterator_has_next_element(mesh_composite_data_iterator_t * it){
103     return (it->offset + mesh_composition_data_iterator_element_len(it)) <= it->size;
104 }
105 
106 void mesh_composition_data_iterator_next_element(mesh_composite_data_iterator_t * it){
107     it->sig_model_iterator.models = &it->elements[it->offset + 4];
108     it->sig_model_iterator.size = mesh_composition_data_iterator_sig_model_list_size(it);
109     it->sig_model_iterator.offset = 0;
110 
111     it->vendor_model_iterator.models = &it->elements[it->offset + 4 + it->sig_model_iterator.size];
112     it->vendor_model_iterator.size = mesh_composition_data_iterator_vendor_model_list_size(it);
113     it->vendor_model_iterator.offset = 0;
114 
115     it->loc = little_endian_read_16(it->elements, it->offset);
116     it->offset += mesh_composition_data_iterator_element_len(it);
117 }
118 
119 uint16_t mesh_composition_data_iterator_element_loc(mesh_composite_data_iterator_t * it){
120     return it->loc;
121 }
122 
123 bool mesh_composition_data_iterator_has_next_sig_model(mesh_composite_data_iterator_t * it){
124     return (it->sig_model_iterator.offset + MESH_SIG_MODEL_SIZE) <= it->sig_model_iterator.size;
125 }
126 
127 void mesh_composition_data_iterator_next_sig_model(mesh_composite_data_iterator_t * it){
128     it->sig_model_iterator.id = little_endian_read_16(it->sig_model_iterator.models, it->sig_model_iterator.offset);
129     it->sig_model_iterator.offset += 2;
130 }
131 
132 uint16_t mesh_composition_data_iterator_sig_model_id(mesh_composite_data_iterator_t * it){
133     return (uint16_t)it->sig_model_iterator.id;
134 }
135 
136 bool mesh_composition_data_iterator_has_next_vendor_model(mesh_composite_data_iterator_t * it){
137     return (it->vendor_model_iterator.offset + MESH_VENDOR_MODEL_SIZE) <= it->vendor_model_iterator.size;
138 }
139 
140 void mesh_composition_data_iterator_next_vendor_model(mesh_composite_data_iterator_t * it){
141     uint16_t vendor_id = little_endian_read_16(it->vendor_model_iterator.models, it->vendor_model_iterator.offset);
142     it->vendor_model_iterator.offset += 2;
143     uint16_t model_id = little_endian_read_16(it->vendor_model_iterator.models, it->vendor_model_iterator.offset);
144     it->vendor_model_iterator.offset += 2;
145     it->vendor_model_iterator.id = mesh_model_get_model_identifier(vendor_id, model_id);
146 }
147 
148 uint32_t mesh_composition_data_iterator_vendor_model_id(mesh_composite_data_iterator_t * it){
149     return it->vendor_model_iterator.id;
150 }
151 
152 // Configuration client messages
153 
154 static const mesh_access_message_t mesh_configuration_client_beacon_get = {
155         MESH_FOUNDATION_OPERATION_BEACON_GET, ""
156 };
157 static const mesh_access_message_t mesh_configuration_client_beacon_set = {
158         MESH_FOUNDATION_OPERATION_BEACON_SET, "1"
159 };
160 
161 
162 static const mesh_access_message_t mesh_configuration_client_composition_data_get = {
163         MESH_FOUNDATION_OPERATION_COMPOSITION_DATA_GET, "1"
164 };
165 
166 
167 static const mesh_access_message_t mesh_configuration_client_default_ttl_get = {
168         MESH_FOUNDATION_OPERATION_DEFAULT_TTL_GET, ""
169 };
170 static const mesh_access_message_t mesh_configuration_client_default_ttl_set = {
171         MESH_FOUNDATION_OPERATION_DEFAULT_TTL_SET, "1"
172 };
173 
174 
175 static const mesh_access_message_t mesh_configuration_client_gatt_proxy_get = {
176         MESH_FOUNDATION_OPERATION_GATT_PROXY_GET, ""
177 };
178 static const mesh_access_message_t mesh_configuration_client_gatt_proxy_set = {
179         MESH_FOUNDATION_OPERATION_GATT_PROXY_SET, "1"
180 };
181 
182 
183 static const mesh_access_message_t mesh_configuration_client_relay_get = {
184         MESH_FOUNDATION_OPERATION_RELAY_GET, ""
185 };
186 static const mesh_access_message_t mesh_configuration_client_relay_set = {
187         MESH_FOUNDATION_OPERATION_RELAY_SET, "11"
188 };
189 
190 static const mesh_access_message_t mesh_configuration_client_model_publication_get = {
191         MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_GET, "2m"
192 };
193 static const mesh_access_message_t mesh_configuration_client_model_publication_set = {
194         MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_SET, "222111m"
195 };
196 static const mesh_access_message_t mesh_configuration_client_model_publication_virtual_address_set = {
197         MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_VIRTUAL_ADDRESS_SET, "2P2111m"
198 };
199 
200 
201 static const mesh_access_message_t mesh_configuration_client_model_subscription_add = {
202         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_ADD, "22m"
203 };
204 static const mesh_access_message_t mesh_configuration_client_model_subscription_virtual_address_add = {
205         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_ADD, "2Pm"
206 };
207 static const mesh_access_message_t mesh_configuration_client_model_subscription_delete = {
208         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_DELETE, "22m"
209 };
210 static const mesh_access_message_t mesh_configuration_client_model_subscription_virtual_address_delete = {
211         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_DELETE, "2Pm"
212 };
213 static const mesh_access_message_t mesh_configuration_client_model_subscription_overwrite = {
214         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_OVERWRITE, "22m"
215 };
216 static const mesh_access_message_t mesh_configuration_client_model_subscription_virtual_address_overwrite = {
217         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_OVERWRITE, "2Pm"
218 };
219 static const mesh_access_message_t mesh_configuration_client_model_subscription_delete_all = {
220         MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_DELETE_ALL, "22m"
221 };
222 
223 
224 static void mesh_configuration_client_send_acknowledged(uint16_t src, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, mesh_pdu_t *pdu, uint32_t ack_opcode){
225     uint8_t  ttl  = mesh_foundation_default_ttl_get();
226     mesh_upper_transport_setup_access_pdu_header(pdu, netkey_index, appkey_index, ttl, src, dest, 0);
227     mesh_access_send_acknowledged_pdu(pdu, mesh_access_acknowledged_message_retransmissions(), ack_opcode);
228 }
229 
230 static uint8_t mesh_access_validate_envelop_params(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
231     btstack_assert(mesh_model != NULL);
232     // TODO: validate other params
233     UNUSED(mesh_model);
234     UNUSED(dest);
235     UNUSED(netkey_index);
236     UNUSED(appkey_index);
237 
238     return ERROR_CODE_SUCCESS;
239 }
240 
241 uint8_t mesh_configuration_client_send_beacon_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
242     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
243     if (status != ERROR_CODE_SUCCESS) return status;
244 
245     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_beacon_get);
246     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
247 
248     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_BEACON_STATUS);
249     return ERROR_CODE_SUCCESS;
250 }
251 
252 uint8_t mesh_configuration_client_send_beacon_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t beacon){
253     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
254     if (status != ERROR_CODE_SUCCESS) return status;
255 
256     if (beacon > 1) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
257 
258     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_beacon_set, beacon);
259     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
260 
261     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_BEACON_STATUS);
262     return ERROR_CODE_SUCCESS;
263 }
264 
265 uint8_t mesh_configuration_client_send_composition_data_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t page){
266     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
267     if (status != ERROR_CODE_SUCCESS) return status;
268 
269     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_composition_data_get, page);
270     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
271 
272     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_COMPOSITION_DATA_GET);
273     return ERROR_CODE_SUCCESS;
274 }
275 
276 uint8_t mesh_configuration_client_send_default_ttl_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
277     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
278     if (status != ERROR_CODE_SUCCESS) return status;
279 
280     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_default_ttl_get);
281     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
282 
283     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_DEFAULT_TTL_GET);
284     return ERROR_CODE_SUCCESS;
285 }
286 
287 uint8_t mesh_configuration_client_send_default_ttl_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t ttl){
288     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
289     if (status != ERROR_CODE_SUCCESS) return status;
290 
291     if (ttl == 0x01 || ttl >= 0x80) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
292 
293     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_default_ttl_set, ttl);
294     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
295 
296     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_DEFAULT_TTL_SET);
297     return ERROR_CODE_SUCCESS;
298 }
299 
300 uint8_t mesh_configuration_client_send_gatt_proxy_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
301     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
302     if (status != ERROR_CODE_SUCCESS) return status;
303 
304     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_gatt_proxy_get);
305     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
306 
307     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_GATT_PROXY_GET);
308     return ERROR_CODE_SUCCESS;
309 }
310 
311 uint8_t mesh_configuration_client_send_gatt_proxy_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t gatt_proxy_state){
312     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
313     if (status != ERROR_CODE_SUCCESS) return status;
314 
315     if (gatt_proxy_state > 2) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
316 
317     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_gatt_proxy_set, gatt_proxy_state);
318     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
319 
320     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_GATT_PROXY_SET);
321     return ERROR_CODE_SUCCESS;
322 }
323 
324 uint8_t mesh_configuration_client_send_relay_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index){
325     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
326     if (status != ERROR_CODE_SUCCESS) return status;
327 
328     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_relay_get);
329     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
330 
331     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_RELAY_GET);
332     return ERROR_CODE_SUCCESS;
333 }
334 
335 uint8_t mesh_configuration_client_send_relay_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t relay, uint8_t relay_retransmit_count, uint8_t relay_retransmit_interval_steps){
336     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
337     if (status != ERROR_CODE_SUCCESS) return status;
338 
339     if (relay_retransmit_count > 0x07) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
340     if (relay_retransmit_interval_steps > 0x1F) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
341 
342     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_relay_set, relay, (relay_retransmit_count << 5) | relay_retransmit_interval_steps);
343     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
344 
345     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_RELAY_SET);
346     return ERROR_CODE_SUCCESS;
347 }
348 
349 uint8_t mesh_configuration_client_send_model_publication_get(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id){
350     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
351     if (status != ERROR_CODE_SUCCESS) return status;
352 
353     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_publication_get, dest, model_id);
354     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
355 
356     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_GET);
357     return ERROR_CODE_SUCCESS;
358 }
359 
360 static uint8_t mesh_validate_publication_model_config_parameters(mesh_publication_model_config_t * publication_config, bool use_unicast_address){
361     if (publication_config->appkey_index > 0xFFF) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
362     if (publication_config->credential_flag > 1) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
363     if (publication_config->publish_retransmit_count > 0x07) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
364     if (publication_config->publish_retransmit_interval_steps > 0x1F) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
365     if (use_unicast_address && mesh_network_address_virtual(publication_config->publish_address_unicast)) return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
366     return ERROR_CODE_SUCCESS;
367 }
368 
369 uint8_t mesh_configuration_client_send_model_publication_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id, mesh_publication_model_config_t * publication_config){
370     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
371     if (status != ERROR_CODE_SUCCESS) return status;
372 
373     if (!mesh_network_address_unicast(dest) ||
374         mesh_validate_publication_model_config_parameters(publication_config, true) != ERROR_CODE_SUCCESS){
375         return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
376     }
377 
378     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_publication_set,
379         dest,
380         publication_config->publish_address_unicast,
381         (publication_config->credential_flag << 12) | publication_config->appkey_index,
382         publication_config->publish_ttl,
383         publication_config->publish_period,
384         (publication_config->publish_retransmit_interval_steps << 3) | publication_config->publish_retransmit_count,
385         model_id);
386     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
387 
388     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_SET);
389     return ERROR_CODE_SUCCESS;
390 
391 }
392 
393 uint8_t mesh_configuration_client_send_model_publication_virtual_address_set(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint32_t model_id, mesh_publication_model_config_t * publication_config){
394     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
395     if (status != ERROR_CODE_SUCCESS) return status;
396 
397     if (!mesh_network_address_unicast(dest) ||
398         mesh_validate_publication_model_config_parameters(publication_config, false) != ERROR_CODE_SUCCESS){
399         return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
400     }
401 
402     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_publication_virtual_address_set,
403         dest,
404         publication_config->publish_address_virtual,
405         (publication_config->credential_flag << 12) | publication_config->appkey_index,
406         publication_config->publish_ttl,
407         publication_config->publish_period,
408         (publication_config->publish_retransmit_interval_steps << 3) | publication_config->publish_retransmit_count,
409         model_id);
410     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
411 
412     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_VIRTUAL_ADDRESS_SET);
413     return ERROR_CODE_SUCCESS;
414 }
415 
416 
417 uint8_t mesh_configuration_client_send_model_subscription_add(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
418     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
419     if (status != ERROR_CODE_SUCCESS) return status;
420 
421     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_add, dest, address, model_id);
422     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
423 
424     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_ADD);
425     return ERROR_CODE_SUCCESS;
426 }
427 
428 uint8_t mesh_configuration_client_send_model_subscription_virtual_address_add(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t * address, uint32_t model_id){
429     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
430     if (status != ERROR_CODE_SUCCESS) return status;
431 
432     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_subscription_virtual_address_add, dest, address, model_id);
433     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
434 
435     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_ADD);
436     return ERROR_CODE_SUCCESS;
437 }
438 
439 uint8_t mesh_configuration_client_send_model_subscription_delete(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
440     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
441     if (status != ERROR_CODE_SUCCESS) return status;
442 
443     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_delete, dest, address, model_id);
444     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
445 
446     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_DELETE);
447     return ERROR_CODE_SUCCESS;
448 }
449 
450 uint8_t mesh_configuration_client_send_model_subscription_virtual_address_delete(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t * address, uint32_t model_id){
451     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
452     if (status != ERROR_CODE_SUCCESS) return status;
453 
454     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_subscription_virtual_address_delete, dest, address, model_id);
455     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
456 
457     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_DELETE);
458     return ERROR_CODE_SUCCESS;
459 }
460 
461 uint8_t mesh_configuration_client_send_model_subscription_overwrite(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
462         uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
463     if (status != ERROR_CODE_SUCCESS) return status;
464 
465     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_overwrite, dest, address, model_id);
466     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
467 
468     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_OVERWRITE);
469     return ERROR_CODE_SUCCESS;
470 }
471 
472 uint8_t mesh_configuration_client_send_model_subscription_virtual_address_overwrite(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint8_t * address, uint32_t model_id){
473     uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
474     if (status != ERROR_CODE_SUCCESS) return status;
475 
476     mesh_transport_pdu_t * transport_pdu = mesh_access_setup_segmented_message(&mesh_configuration_client_model_subscription_virtual_address_overwrite, dest, address, model_id);
477     if (!transport_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
478 
479     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) transport_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_VIRTUAL_ADDRESS_OVERWRITE);
480     return ERROR_CODE_SUCCESS;
481 }
482 
483 uint8_t mesh_configuration_client_send_model_subscription_delete_all(mesh_model_t * mesh_model, uint16_t dest, uint16_t netkey_index, uint16_t appkey_index, uint16_t address, uint32_t model_id){
484         uint8_t status = mesh_access_validate_envelop_params(mesh_model, dest, netkey_index, appkey_index);
485     if (status != ERROR_CODE_SUCCESS) return status;
486 
487     mesh_network_pdu_t * network_pdu = mesh_access_setup_unsegmented_message(&mesh_configuration_client_model_subscription_delete_all, dest, address, model_id);
488     if (!network_pdu) return BTSTACK_MEMORY_ALLOC_FAILED;
489 
490     mesh_configuration_client_send_acknowledged(mesh_access_get_element_address(mesh_model), dest, netkey_index, appkey_index, (mesh_pdu_t *) network_pdu, MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_DELETE_ALL);
491     return ERROR_CODE_SUCCESS;
492 }
493 // Model Operations
494 static void mesh_configuration_client_composition_data_status_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
495     // Composition Data has variable of element descriptions, with two lists of model lists
496     // Pass raw data to application but provide convenient setters instead of parsing pdu here
497 
498     // reuse part of the mesh_network_t / mesh_transport_t struct to create event without memcpy or allocation
499     uint8_t * data = mesh_pdu_data(pdu);
500     uint8_t * event = &data[-6];
501 
502     int pos = 0;
503     event[pos++] = HCI_EVENT_MESH_META;
504     // Composite Data might be larger than 251 bytes - in this case only lower 8 bit are stored here. packet size is correct
505     event[pos++] = (uint8_t) (6 + mesh_pdu_len(pdu));
506     event[pos++] = MESH_SUBEVENT_CONFIGURATION_COMPOSITION_DATA;
507     // dest
508     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
509     pos += 2;
510     event[pos++] = ERROR_CODE_SUCCESS;
511 
512     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
513     mesh_access_message_processed(pdu);
514 }
515 
516 uint8_t mesh_subevent_configuration_composition_data_get_page(const uint8_t * event){
517     return event[6];
518 }
519 
520 uint16_t mesh_subevent_configuration_composition_data_get_cid(const uint8_t * event){
521     return little_endian_read_16(event, 7);
522 }
523 
524 uint16_t mesh_subevent_configuration_composition_data_get_pid(const uint8_t * event){
525     return little_endian_read_16(event, 9);
526 }
527 
528 uint16_t mesh_subevent_configuration_composition_data_get_vid(const uint8_t * event){
529     return little_endian_read_16(event, 11);
530 }
531 
532 uint16_t mesh_subevent_configuration_composition_data_get_crpl(const uint8_t * event){
533     return little_endian_read_16(event, 13);
534 }
535 
536 uint16_t mesh_subevent_configuration_composition_data_get_features(const uint8_t * event){
537     return little_endian_read_16(event, 15);
538 }
539 
540 
541 static inline void mesh_configuration_client_handle_uint8_value(mesh_model_t *mesh_model, mesh_pdu_t * pdu, uint8_t subevent_type){
542     mesh_access_parser_state_t parser;
543     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
544 
545     uint8_t value = mesh_access_parser_get_u8(&parser);
546 
547     uint8_t event[7];
548     int pos = 0;
549 
550     event[pos++] = HCI_EVENT_MESH_META;
551     event[pos++] = sizeof(event) - 2;
552     event[pos++] = subevent_type;
553     // dest
554     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
555     pos += 2;
556     event[pos++] = ERROR_CODE_SUCCESS;
557     event[pos++] = value;
558 
559     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
560     mesh_access_message_processed(pdu);
561 }
562 
563 static void mesh_configuration_client_beacon_status_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
564     mesh_configuration_client_handle_uint8_value(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_BEACON);
565 }
566 
567 static void mesh_configuration_client_default_ttl_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
568     mesh_configuration_client_handle_uint8_value(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_DEFAULT_TTL);
569 }
570 
571 static void mesh_configuration_client_gatt_proxy_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
572     mesh_configuration_client_handle_uint8_value(mesh_model, pdu, MESH_SUBEVENT_CONFIGURATION_GATT_PROXY);
573 }
574 
575 static void mesh_configuration_client_relay_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
576     mesh_access_parser_state_t parser;
577     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
578 
579     uint8_t relay = mesh_access_parser_get_u8(&parser);
580     uint8_t retransmition = mesh_access_parser_get_u8(&parser);
581 
582     uint8_t event[9];
583 
584     int pos = 0;
585     event[pos++] = HCI_EVENT_MESH_META;
586     event[pos++] = sizeof(event) - 2;
587     event[pos++] = MESH_SUBEVENT_CONFIGURATION_RELAY;
588     // dest
589     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
590     pos += 2;
591     event[pos++] = ERROR_CODE_SUCCESS;
592     event[pos++] = relay;
593     event[pos++] = (retransmition >> 5) + 1;
594     event[pos++] = ((retransmition & 0x07) + 1) * 10;
595 
596     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
597     mesh_access_message_processed(pdu);
598 }
599 
600 static void mesh_configuration_client_model_publication_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
601     mesh_access_parser_state_t parser;
602     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
603     uint8_t  status = mesh_access_parser_get_u8(&parser);
604     uint16_t publish_addres = mesh_access_parser_get_u16(&parser);
605 
606     uint16_t value = mesh_access_parser_get_u16(&parser);
607     uint16_t appkey_index = value & 0xFFF;
608     uint8_t  credential_flag = (value & 0x1000) >> 12;
609 
610     uint8_t publish_ttl = mesh_access_parser_get_u8(&parser);
611     uint8_t publish_period = mesh_access_parser_get_u8(&parser);
612 
613     uint8_t retransmit = mesh_access_parser_get_u8(&parser);
614     uint8_t publish_retransmit_count = retransmit & 0x111;
615     uint8_t publish_retransmit_interval_steps = retransmit >> 5;
616     uint32_t model_identifier = mesh_access_parser_get_model_identifier(&parser);
617 
618     uint8_t event[19];
619     int pos = 0;
620     event[pos++] = HCI_EVENT_MESH_META;
621     event[pos++] = sizeof(event) - 2;
622     event[pos++] = MESH_SUBEVENT_CONFIGURATION_MODEL_PUBLICATION;
623     // dest
624     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
625     pos += 2;
626     event[pos++] = status;
627 
628     little_endian_store_16(event, pos, publish_addres);
629     pos += 2;
630 
631     little_endian_store_16(event, pos, appkey_index);
632     pos += 2;
633 
634     event[pos++] = credential_flag;
635     event[pos++] = publish_ttl;
636     event[pos++] = publish_period;
637     event[pos++] = publish_retransmit_count;
638     event[pos++] = publish_retransmit_interval_steps;
639 
640     little_endian_store_32(event, pos, model_identifier);
641     pos += 4;
642 
643     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
644     mesh_access_message_processed(pdu);
645 }
646 
647 static void mesh_configuration_client_model_subscription_handler(mesh_model_t *mesh_model, mesh_pdu_t * pdu){
648     mesh_access_parser_state_t parser;
649     mesh_access_parser_init(&parser, (mesh_pdu_t*) pdu);
650     uint8_t  status = mesh_access_parser_get_u8(&parser);
651     uint16_t address = mesh_access_parser_get_u16(&parser);
652     uint32_t model_identifier = mesh_access_parser_get_model_identifier(&parser);
653 
654     uint8_t event[12];
655     int pos = 0;
656     event[pos++] = HCI_EVENT_MESH_META;
657     event[pos++] = sizeof(event) - 2;
658     event[pos++] = MESH_SUBEVENT_CONFIGURATION_MODEL_SUBSCRIPTION;
659     // dest
660     little_endian_store_16(event, pos, mesh_pdu_src(pdu));
661     pos += 2;
662     event[pos++] = status;
663 
664     little_endian_store_16(event, pos, address);
665     pos += 2;
666 
667     little_endian_store_32(event, pos, model_identifier);
668     pos += 4;
669 
670     (*mesh_model->model_packet_handler)(HCI_EVENT_PACKET, 0, event, pos);
671     mesh_access_message_processed(pdu);
672 }
673 
674 const static mesh_operation_t mesh_configuration_client_model_operations[] = {
675     { MESH_FOUNDATION_OPERATION_BEACON_STATUS,              1, mesh_configuration_client_beacon_status_handler },
676     { MESH_FOUNDATION_OPERATION_COMPOSITION_DATA_STATUS,   10, mesh_configuration_client_composition_data_status_handler },
677     { MESH_FOUNDATION_OPERATION_DEFAULT_TTL_STATUS,         1, mesh_configuration_client_default_ttl_handler },
678     { MESH_FOUNDATION_OPERATION_GATT_PROXY_STATUS,          1, mesh_configuration_client_gatt_proxy_handler },
679     { MESH_FOUNDATION_OPERATION_RELAY_STATUS,               2, mesh_configuration_client_relay_handler },
680     { MESH_FOUNDATION_OPERATION_MODEL_PUBLICATION_STATUS,  12, mesh_configuration_client_model_publication_handler },
681     { MESH_FOUNDATION_OPERATION_MODEL_SUBSCRIPTION_STATUS,  7, mesh_configuration_client_model_subscription_handler },
682     { 0, 0, NULL }
683 };
684 
685 const mesh_operation_t * mesh_configuration_client_get_operations(void){
686     return mesh_configuration_client_model_operations;
687 }
688 
689 void mesh_configuration_client_register_packet_handler(mesh_model_t *configuration_client_model, btstack_packet_handler_t events_packet_handler){
690     btstack_assert(events_packet_handler != NULL);
691     btstack_assert(configuration_client_model != NULL);
692 
693     configuration_client_model->model_packet_handler = events_packet_handler;
694 }
695 
696