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btstack/test/mesh/mesh_access.c
Milanka Ringwald 09878d7ad7 mesh: enumerate state model ids and update reasons
2019-07-20 08:50:30 +02:00

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/*
* Copyright (C) 2019 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#define __BTSTACK_FILE__ "mesh_access.c"
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include "mesh_access.h"
#include "btstack_memory.h"
#include "btstack_debug.h"
#include "mesh_transport.h"
#include "mesh_foundation.h"
#include "btstack_tlv.h"
static void mesh_access_message_process_handler(mesh_pdu_t * pdu);
static mesh_element_t primary_element;
static btstack_linked_list_t mesh_elements;
static uint16_t mid_counter;
static const btstack_tlv_t * btstack_tlv_singleton_impl;
static void * btstack_tlv_singleton_context;
static void mesh_access_setup_tlv(void){
if (btstack_tlv_singleton_impl) return;
btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context);
}
void mesh_access_init(void){
// Access layer - add Primary Element to list of elements
mesh_element_add(&primary_element);
// register with upper transport
mesh_upper_transport_register_access_message_handler(&mesh_access_message_process_handler);
}
void mesh_access_emit_state_update_bool(btstack_packet_handler_t handler, uint8_t element_index, uint32_t model_identifier,
model_state_id_t state_identifier, model_state_update_reason_t reason, uint8_t value){
if (!handler) return;
uint8_t event[14] = {HCI_EVENT_MESH_META, 13, MESH_SUBEVENT_STATE_UPDATE_BOOL};
int pos = 3;
event[pos++] = element_index;
little_endian_store_32(event, 3, model_identifier);
pos += 4;
little_endian_store_32(event, 3, (uint32_t)state_identifier);
pos += 4;
event[pos++] = (uint8_t)reason;
event[pos++] = value;
handler(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
mesh_element_t * mesh_primary_element(void){
return &primary_element;
}
void mesh_access_set_primary_element_address(uint16_t unicast_address){
primary_element.unicast_address = unicast_address;
}
uint16_t mesh_access_get_primary_element_address(void){
return primary_element.unicast_address;
}
uint8_t mesh_access_get_element_index(mesh_model_t * mesh_model){
return mesh_model->element->unicast_address - mesh_access_get_primary_element_address();
}
void mesh_access_set_primary_element_location(uint16_t location){
primary_element.loc = location;
}
void mesh_element_add(mesh_element_t * element){
btstack_linked_list_add_tail(&mesh_elements, (void*) element);
}
mesh_element_t * mesh_element_for_unicast_address(uint16_t unicast_address){
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, &mesh_elements);
while (btstack_linked_list_iterator_has_next(&it)){
mesh_element_t * element = (mesh_element_t *) btstack_linked_list_iterator_next(&it);
if (element->unicast_address != unicast_address) continue;
return element;
}
return NULL;
}
// Model Identifier utilities
uint32_t mesh_model_get_model_identifier(uint16_t vendor_id, uint16_t model_id){
return (vendor_id << 16) | model_id;
}
uint32_t mesh_model_get_model_identifier_bluetooth_sig(uint16_t model_id){
return (BLUETOOTH_COMPANY_ID_BLUETOOTH_SIG_INC << 16) | model_id;
}
uint16_t mesh_model_get_model_id(uint32_t model_identifier){
return model_identifier & 0xFFFFu;
}
uint16_t mesh_model_get_vendor_id(uint32_t model_identifier){
return model_identifier >> 16;
}
int mesh_model_is_bluetooth_sig(uint32_t model_identifier){
return mesh_model_get_vendor_id(model_identifier) == BLUETOOTH_COMPANY_ID_BLUETOOTH_SIG_INC;
}
mesh_model_t * mesh_model_get_configuration_server(void){
return mesh_model_get_by_identifier(&primary_element, mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_CONFIGURATION_SERVER));
}
void mesh_element_add_model(mesh_element_t * element, mesh_model_t * mesh_model){
if (mesh_model_is_bluetooth_sig(mesh_model->model_identifier)){
element->models_count_sig++;
} else {
element->models_count_vendor++;
}
mesh_model->mid = mid_counter++;
mesh_model->element = element;
btstack_linked_list_add_tail(&element->models, (btstack_linked_item_t *) mesh_model);
}
void mesh_model_iterator_init(mesh_model_iterator_t * iterator, mesh_element_t * element){
btstack_linked_list_iterator_init(&iterator->it, &element->models);
}
int mesh_model_iterator_has_next(mesh_model_iterator_t * iterator){
return btstack_linked_list_iterator_has_next(&iterator->it);
}
mesh_model_t * mesh_model_iterator_next(mesh_model_iterator_t * iterator){
return (mesh_model_t *) btstack_linked_list_iterator_next(&iterator->it);
}
void mesh_element_iterator_init(mesh_element_iterator_t * iterator){
btstack_linked_list_iterator_init(&iterator->it, &mesh_elements);
}
int mesh_element_iterator_has_next(mesh_element_iterator_t * iterator){
return btstack_linked_list_iterator_has_next(&iterator->it);
}
mesh_element_t * mesh_element_iterator_next(mesh_element_iterator_t * iterator){
return (mesh_element_t *) btstack_linked_list_iterator_next(&iterator->it);
}
mesh_model_t * mesh_model_get_by_identifier(mesh_element_t * element, uint32_t model_identifier){
mesh_model_iterator_t it;
mesh_model_iterator_init(&it, element);
while (mesh_model_iterator_has_next(&it)){
mesh_model_t * model = mesh_model_iterator_next(&it);
if (model->model_identifier != model_identifier) continue;
return model;
}
return NULL;
}
mesh_model_t * mesh_access_model_for_address_and_model_identifier(uint16_t element_address, uint32_t model_identifier, uint8_t * status){
mesh_element_t * element = mesh_element_for_unicast_address(element_address);
if (element == NULL){
*status = MESH_FOUNDATION_STATUS_INVALID_ADDRESS;
return NULL;
}
mesh_model_t * model = mesh_model_get_by_identifier(element, model_identifier);
if (model == NULL) {
*status = MESH_FOUNDATION_STATUS_INVALID_MODEL;
} else {
*status = MESH_FOUNDATION_STATUS_SUCCESS;
}
return model;
}
uint16_t mesh_pdu_src(mesh_pdu_t * pdu){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return mesh_transport_src((mesh_transport_pdu_t*) pdu);
case MESH_PDU_TYPE_NETWORK:
return mesh_network_src((mesh_network_pdu_t *) pdu);
default:
return MESH_ADDRESS_UNSASSIGNED;
}
}
uint16_t mesh_pdu_dst(mesh_pdu_t * pdu){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return mesh_transport_dst((mesh_transport_pdu_t*) pdu);
case MESH_PDU_TYPE_NETWORK:
return mesh_network_dst((mesh_network_pdu_t *) pdu);
default:
return MESH_ADDRESS_UNSASSIGNED;
}
}
uint16_t mesh_pdu_netkey_index(mesh_pdu_t * pdu){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return ((mesh_transport_pdu_t*) pdu)->netkey_index;
case MESH_PDU_TYPE_NETWORK:
return ((mesh_network_pdu_t *) pdu)->netkey_index;
default:
return 0;
}
}
uint16_t mesh_pdu_appkey_index(mesh_pdu_t * pdu){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return ((mesh_transport_pdu_t*) pdu)->appkey_index;
case MESH_PDU_TYPE_NETWORK:
return ((mesh_network_pdu_t *) pdu)->appkey_index;
default:
return 0;
}
}
uint16_t mesh_pdu_len(mesh_pdu_t * pdu){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return ((mesh_transport_pdu_t*) pdu)->len;
case MESH_PDU_TYPE_NETWORK:
return ((mesh_network_pdu_t *) pdu)->len - 10;
default:
return 0;
}
}
uint8_t * mesh_pdu_data(mesh_pdu_t * pdu){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return ((mesh_transport_pdu_t*) pdu)->data;
case MESH_PDU_TYPE_NETWORK:
return &((mesh_network_pdu_t *) pdu)->data[10];
default:
return NULL;
}
}
// message parser
static int mesh_access_get_opcode(uint8_t * buffer, uint16_t buffer_size, uint32_t * opcode, uint16_t * opcode_size){
switch (buffer[0] >> 6){
case 0:
case 1:
if (buffer[0] == 0x7f) return 0;
*opcode = buffer[0];
*opcode_size = 1;
return 1;
case 2:
if (buffer_size < 2) return 0;
*opcode = big_endian_read_16(buffer, 0);
*opcode_size = 2;
return 1;
case 3:
if (buffer_size < 3) return 0;
*opcode = (buffer[0] << 16) | little_endian_read_16(buffer, 1);
*opcode_size = 3;
return 1;
default:
return 0;
}
}
static int mesh_access_transport_get_opcode(mesh_transport_pdu_t * transport_pdu, uint32_t * opcode, uint16_t * opcode_size){
return mesh_access_get_opcode(transport_pdu->data, transport_pdu->len, opcode, opcode_size);
}
static int mesh_access_network_get_opcode(mesh_network_pdu_t * network_pdu, uint32_t * opcode, uint16_t * opcode_size){
// TransMIC already removed by mesh_upper_transport_validate_unsegmented_message_ccm
return mesh_access_get_opcode(&network_pdu->data[10], network_pdu->len - 10, opcode, opcode_size);
}
int mesh_access_pdu_get_opcode(mesh_pdu_t * pdu, uint32_t * opcode, uint16_t * opcode_size){
switch (pdu->pdu_type){
case MESH_PDU_TYPE_TRANSPORT:
return mesh_access_transport_get_opcode((mesh_transport_pdu_t*) pdu, opcode, opcode_size);
case MESH_PDU_TYPE_NETWORK:
return mesh_access_network_get_opcode((mesh_network_pdu_t *) pdu, opcode, opcode_size);
default:
return 0;
}
}
void mesh_access_parser_skip(mesh_access_parser_state_t * state, uint16_t bytes_to_skip){
state->data += bytes_to_skip;
state->len -= bytes_to_skip;
}
int mesh_access_parser_init(mesh_access_parser_state_t * state, mesh_pdu_t * pdu){
state->data = mesh_pdu_data(pdu);
state->len = mesh_pdu_len(pdu);
uint16_t opcode_size = 0;
int ok = mesh_access_get_opcode(state->data, state->len, &state->opcode, &opcode_size);
if (ok){
mesh_access_parser_skip(state, opcode_size);
}
return ok;
}
uint16_t mesh_access_parser_available(mesh_access_parser_state_t * state){
return state->len;
}
uint8_t mesh_access_parser_get_u8(mesh_access_parser_state_t * state){
uint8_t value = *state->data;
mesh_access_parser_skip(state, 1);
return value;
}
uint16_t mesh_access_parser_get_u16(mesh_access_parser_state_t * state){
uint16_t value = little_endian_read_16(state->data, 0);
mesh_access_parser_skip(state, 2);
return value;
}
uint32_t mesh_access_parser_get_u24(mesh_access_parser_state_t * state){
uint32_t value = little_endian_read_24(state->data, 0);
mesh_access_parser_skip(state, 3);
return value;
}
uint32_t mesh_access_parser_get_u32(mesh_access_parser_state_t * state){
uint32_t value = little_endian_read_24(state->data, 0);
mesh_access_parser_skip(state, 4);
return value;
}
void mesh_access_parser_get_u128(mesh_access_parser_state_t * state, uint8_t * dest){
reverse_128( state->data, dest);
mesh_access_parser_skip(state, 16);
}
void mesh_access_parser_get_label_uuid(mesh_access_parser_state_t * state, uint8_t * dest){
memcpy( dest, state->data, 16);
mesh_access_parser_skip(state, 16);
}
void mesh_access_parser_get_key(mesh_access_parser_state_t * state, uint8_t * dest){
memcpy( dest, state->data, 16);
mesh_access_parser_skip(state, 16);
}
uint32_t mesh_access_parser_get_model_identifier(mesh_access_parser_state_t * parser){
if (mesh_access_parser_available(parser) == 4){
return mesh_access_parser_get_u32(parser);
} else {
return (BLUETOOTH_COMPANY_ID_BLUETOOTH_SIG_INC << 16) | mesh_access_parser_get_u16(parser);
}
}
// Mesh Access Message Builder
// message builder
static int mesh_access_setup_opcode(uint8_t * buffer, uint32_t opcode){
if (opcode < 0x100){
buffer[0] = opcode;
return 1;
}
if (opcode < 0x10000){
big_endian_store_16(buffer, 0, opcode);
return 2;
}
buffer[0] = opcode >> 16;
little_endian_store_16(buffer, 1, opcode & 0xffff);
return 3;
}
mesh_transport_pdu_t * mesh_access_transport_init(uint32_t opcode){
mesh_transport_pdu_t * pdu = mesh_transport_pdu_get();
if (!pdu) return NULL;
pdu->len = mesh_access_setup_opcode(pdu->data, opcode);
return pdu;
}
void mesh_access_transport_add_uint8(mesh_transport_pdu_t * pdu, uint8_t value){
pdu->data[pdu->len++] = value;
}
void mesh_access_transport_add_uint16(mesh_transport_pdu_t * pdu, uint16_t value){
little_endian_store_16(pdu->data, pdu->len, value);
pdu->len += 2;
}
void mesh_access_transport_add_uint24(mesh_transport_pdu_t * pdu, uint32_t value){
little_endian_store_24(pdu->data, pdu->len, value);
pdu->len += 3;
}
void mesh_access_transport_add_uint32(mesh_transport_pdu_t * pdu, uint32_t value){
little_endian_store_32(pdu->data, pdu->len, value);
pdu->len += 4;
}
void mesh_access_transport_add_model_identifier(mesh_transport_pdu_t * pdu, uint32_t model_identifier){
if (mesh_model_is_bluetooth_sig(model_identifier)){
mesh_access_transport_add_uint16( pdu, mesh_model_get_model_id(model_identifier) );
} else {
mesh_access_transport_add_uint32( pdu, model_identifier );
}
}
mesh_network_pdu_t * mesh_access_network_init(uint32_t opcode){
mesh_network_pdu_t * pdu = mesh_network_pdu_get();
if (!pdu) return NULL;
pdu->len = mesh_access_setup_opcode(&pdu->data[10], opcode) + 10;
return pdu;
}
void mesh_access_network_add_uint8(mesh_network_pdu_t * pdu, uint8_t value){
pdu->data[pdu->len++] = value;
}
void mesh_access_network_add_uint16(mesh_network_pdu_t * pdu, uint16_t value){
little_endian_store_16(pdu->data, pdu->len, value);
pdu->len += 2;
}
void mesh_access_network_add_uint24(mesh_network_pdu_t * pdu, uint16_t value){
little_endian_store_24(pdu->data, pdu->len, value);
pdu->len += 3;
}
void mesh_access_network_add_uint32(mesh_network_pdu_t * pdu, uint16_t value){
little_endian_store_32(pdu->data, pdu->len, value);
pdu->len += 4;
}
void mesh_access_network_add_model_identifier(mesh_network_pdu_t * pdu, uint32_t model_identifier){
if (mesh_model_is_bluetooth_sig(model_identifier)){
mesh_access_network_add_uint16( pdu, mesh_model_get_model_id(model_identifier) );
} else {
mesh_access_network_add_uint32( pdu, model_identifier );
}
}
// access message template
mesh_network_pdu_t * mesh_access_setup_unsegmented_message(const mesh_access_message_t *template, ...){
mesh_network_pdu_t * network_pdu = mesh_access_network_init(template->opcode);
if (!network_pdu) return NULL;
va_list argptr;
va_start(argptr, template);
// add params
const char * format = template->format;
uint16_t word;
uint32_t longword;
while (*format){
switch (*format){
case '1':
word = va_arg(argptr, int); // minimal va_arg is int: 2 bytes on 8+16 bit CPUs
mesh_access_network_add_uint8( network_pdu, word);
break;
case '2':
word = va_arg(argptr, int); // minimal va_arg is int: 2 bytes on 8+16 bit CPUs
mesh_access_network_add_uint16( network_pdu, word);
break;
case '3':
longword = va_arg(argptr, uint32_t);
mesh_access_network_add_uint24( network_pdu, longword);
break;
case '4':
longword = va_arg(argptr, uint32_t);
mesh_access_network_add_uint32( network_pdu, longword);
break;
case 'm':
longword = va_arg(argptr, uint32_t);
mesh_access_network_add_model_identifier( network_pdu, longword);
break;
default:
log_error("Unsupported mesh message format specifier '%c", *format);
break;
}
format++;
}
va_end(argptr);
return network_pdu;
}
mesh_transport_pdu_t * mesh_access_setup_segmented_message(const mesh_access_message_t *template, ...){
mesh_transport_pdu_t * transport_pdu = mesh_access_transport_init(template->opcode);
if (!transport_pdu) return NULL;
va_list argptr;
va_start(argptr, template);
// add params
const char * format = template->format;
uint16_t word;
uint32_t longword;
while (*format){
switch (*format++){
case '1':
word = va_arg(argptr, int); // minimal va_arg is int: 2 bytes on 8+16 bit CPUs
mesh_access_transport_add_uint8( transport_pdu, word);
break;
case '2':
word = va_arg(argptr, int); // minimal va_arg is int: 2 bytes on 8+16 bit CPUs
mesh_access_transport_add_uint16( transport_pdu, word);
break;
case '3':
longword = va_arg(argptr, uint32_t);
mesh_access_transport_add_uint24( transport_pdu, longword);
break;
case '4':
longword = va_arg(argptr, uint32_t);
mesh_access_transport_add_uint32( transport_pdu, longword);
break;
case 'm':
longword = va_arg(argptr, uint32_t);
mesh_access_transport_add_model_identifier( transport_pdu, longword);
break;
default:
break;
}
}
va_end(argptr);
return transport_pdu;
}
static const mesh_operation_t * mesh_model_lookup_operation(mesh_model_t * model, mesh_pdu_t * pdu){
uint32_t opcode = 0;
uint16_t opcode_size = 0;
int ok = mesh_access_pdu_get_opcode( pdu, &opcode, &opcode_size);
if (!ok) return NULL;
uint16_t len = mesh_pdu_len(pdu);
// find opcode in table
const mesh_operation_t * operation = model->operations;
if (operation == NULL) return NULL;
for ( ; operation->handler != NULL ; operation++){
if (operation->opcode != opcode) continue;
if ((opcode_size + operation->minimum_length) > len) continue;
return operation;
}
return NULL;
}
static int mesh_access_validate_appkey_index(mesh_model_t * model, uint16_t appkey_index){
// DeviceKey is valid for all models
if (appkey_index == MESH_DEVICE_KEY_INDEX) return 1;
// check if AppKey that is bound to this particular model
return mesh_model_contains_appkey(model, appkey_index);
}
static void mesh_access_message_process_handler(mesh_pdu_t * pdu){
// get opcode and size
uint32_t opcode = 0;
uint16_t opcode_size = 0;
int ok = mesh_access_pdu_get_opcode( pdu, &opcode, &opcode_size);
if (!ok) {
mesh_access_message_processed(pdu);
return;
}
uint16_t len = mesh_pdu_len(pdu);
printf("MESH Access Message, Opcode = %x: ", opcode);
switch (pdu->pdu_type){
case MESH_PDU_TYPE_NETWORK:
printf_hexdump(&((mesh_network_pdu_t *) pdu)->data[10], len);
break;
case MESH_PDU_TYPE_TRANSPORT:
printf_hexdump(((mesh_transport_pdu_t *) pdu)->data, len);
break;
default:
break;
}
uint16_t dst = mesh_pdu_dst(pdu);
uint16_t appkey_index = mesh_pdu_appkey_index(pdu);
if (mesh_network_address_unicast(dst)){
// loookup element by unicast address
mesh_element_t * element = mesh_element_for_unicast_address(dst);
if (element != NULL){
// iterate over models, look for operation
mesh_model_iterator_t model_it;
mesh_model_iterator_init(&model_it, element);
while (mesh_model_iterator_has_next(&model_it)){
mesh_model_t * model = mesh_model_iterator_next(&model_it);
// find opcode in table
const mesh_operation_t * operation = mesh_model_lookup_operation(model, pdu);
if (operation == NULL) break;
if (mesh_access_validate_appkey_index(model, appkey_index) == 0) break;
operation->handler(model, pdu);
return;
}
}
} else {
// iterate over all elements / models, check subscription list
mesh_element_iterator_t it;
mesh_element_iterator_init(&it);
while (mesh_element_iterator_has_next(&it)){
mesh_element_t * element = (mesh_element_t *) mesh_element_iterator_next(&it);
mesh_model_iterator_t model_it;
mesh_model_iterator_init(&model_it, element);
while (mesh_model_iterator_has_next(&model_it)){
mesh_model_t * model = mesh_model_iterator_next(&model_it);
if (mesh_model_contains_subscription(model, dst)){
// find opcode in table
const mesh_operation_t * operation = mesh_model_lookup_operation(model, pdu);
if (operation == NULL) break;
if (mesh_access_validate_appkey_index(model, appkey_index) == 0) break;
operation->handler(model, pdu);
return;
}
}
}
}
// operation not found -> done
printf("Message not handled\n");
mesh_access_message_processed(pdu);
}
void mesh_access_message_processed(mesh_pdu_t * pdu){
mesh_upper_transport_message_processed_by_higher_layer(pdu);
}
int mesh_model_contains_subscription(mesh_model_t * mesh_model, uint16_t address){
int i;
for (i=0;i<MAX_NR_MESH_SUBSCRIPTION_PER_MODEL;i++){
if (mesh_model->subscriptions[i] == address) return 1;
}
return 0;
}
static uint32_t mesh_network_key_tag_for_internal_index(uint16_t internal_index){
return ((uint32_t) 'M' << 24) | ((uint32_t) 'N' << 16) | ((uint32_t) internal_index);
}
// Foundation state
static const uint32_t mesh_foundation_state_tag = ((uint32_t) 'M' << 24) | ((uint32_t) 'F' << 16) | ((uint32_t) 'N' << 8) | ((uint32_t) 'D' << 8);
typedef struct {
uint8_t gatt_proxy;
uint8_t beacon;
uint8_t default_ttl;
uint8_t network_transmit;
uint8_t relay;
uint8_t relay_retransmit;
uint8_t friend;
} mesh_persistent_foundation_t;
void mesh_foundation_state_load(void){
mesh_access_setup_tlv();
mesh_persistent_foundation_t data;
int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, mesh_foundation_state_tag, (uint8_t *) &data, sizeof(data));
if (app_key_len == 0) return;
mesh_foundation_gatt_proxy_set(data.gatt_proxy);
mesh_foundation_beacon_set(data.gatt_proxy);
mesh_foundation_default_ttl_set(data.default_ttl);
mesh_foundation_friend_set(data.friend);
mesh_foundation_network_transmit_set(data.network_transmit);
mesh_foundation_relay_set(data.relay);
mesh_foundation_relay_retransmit_set(data.relay_retransmit);
}
void mesh_foundation_state_store(void){
mesh_access_setup_tlv();
mesh_persistent_foundation_t data;
data.gatt_proxy = mesh_foundation_gatt_proxy_get();
data.gatt_proxy = mesh_foundation_beacon_get();
data.default_ttl = mesh_foundation_default_ttl_get();
data.friend = mesh_foundation_friend_get();
data.network_transmit = mesh_foundation_network_transmit_get();
data.relay = mesh_foundation_relay_get();
data.relay_retransmit = mesh_foundation_relay_retransmit_get();
btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_foundation_state_tag, (uint8_t *) &data, sizeof(data));
}
// Mesh Network Keys
typedef struct {
uint16_t netkey_index;
// net_key from provisioner or Config Model Client
uint8_t net_key[16];
// derivative data
// k1
uint8_t identity_key[16];
uint8_t beacon_key[16];
// k3
uint8_t network_id[8];
// k2
uint8_t nid;
uint8_t encryption_key[16];
uint8_t privacy_key[16];
} mesh_persistent_net_key_t;
void mesh_store_network_key(mesh_network_key_t * network_key){
mesh_access_setup_tlv();
mesh_persistent_net_key_t data;
printf("Store NetKey: internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid);
printf_hexdump(network_key->net_key, 16);
uint32_t tag = mesh_network_key_tag_for_internal_index(network_key->internal_index);
data.netkey_index = network_key->netkey_index;
memcpy(data.net_key, network_key->net_key, 16);
memcpy(data.identity_key, network_key->identity_key, 16);
memcpy(data.beacon_key, network_key->beacon_key, 16);
memcpy(data.network_id, network_key->network_id, 8);
data.nid = network_key->nid;
memcpy(data.encryption_key, network_key->encryption_key, 16);
memcpy(data.privacy_key, network_key->privacy_key, 16);
btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data));
}
void mesh_delete_network_key(uint16_t internal_index){
mesh_access_setup_tlv();
uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index);
btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag);
}
void mesh_load_network_keys(void){
mesh_access_setup_tlv();
printf("Load Network Keys\n");
uint16_t internal_index;
for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){
mesh_persistent_net_key_t data;
uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index);
int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data));
if (app_key_len == 0) continue;
mesh_network_key_t * network_key = btstack_memory_mesh_network_key_get();
if (network_key == NULL) return;
network_key->netkey_index = data.netkey_index;
memcpy(network_key->net_key, data.net_key, 16);
memcpy(network_key->identity_key, data.identity_key, 16);
memcpy(network_key->beacon_key, data.beacon_key, 16);
memcpy(network_key->network_id, data.network_id, 8);
network_key->nid = data.nid;
memcpy(network_key->encryption_key, data.encryption_key, 16);
memcpy(network_key->privacy_key, data.privacy_key, 16);
mesh_network_key_add(network_key);
printf("- internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid);
printf_hexdump(network_key->net_key, 16);
}
}
void mesh_delete_network_keys(void){
printf("Delete Network Keys\n");
uint16_t internal_index;
for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){
mesh_delete_network_key(internal_index);
}
}
// Mesh App Keys
typedef struct {
uint16_t netkey_index;
uint16_t appkey_index;
uint8_t aid;
uint8_t key[16];
} mesh_persistent_app_key_t;
static uint32_t mesh_transport_key_tag_for_internal_index(uint16_t internal_index){
return ((uint32_t) 'M' << 24) | ((uint32_t) 'N' << 16) | ((uint32_t) internal_index);
}
void mesh_store_app_key(uint16_t internal_index, uint16_t netkey_index, uint16_t appkey_index, uint8_t aid, const uint8_t * application_key){
mesh_access_setup_tlv();
mesh_persistent_app_key_t data;
printf("Store AppKey: internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", internal_index, appkey_index, aid);
printf_hexdump(application_key, 16);
uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index);
data.netkey_index = netkey_index;
data.appkey_index = appkey_index;
data.aid = aid;
memcpy(data.key, application_key, 16);
btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data));
}
void mesh_delete_app_key(uint16_t internal_index){
mesh_access_setup_tlv();
uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index);
btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag);
}
void mesh_load_app_keys(void){
mesh_access_setup_tlv();
printf("Load App Keys\n");
uint16_t internal_index;
for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){
mesh_persistent_app_key_t data;
uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index);
int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data));
if (app_key_len == 0) continue;
mesh_transport_key_t * key = btstack_memory_mesh_transport_key_get();
if (key == NULL) return;
key->internal_index = internal_index;
key->appkey_index = data.appkey_index;
key->netkey_index = data.netkey_index;
key->aid = data.aid;
key->akf = 1;
memcpy(key->key, data.key, 16);
mesh_transport_key_add(key);
printf("- internal index 0x%x, AppKey Index 0x%06x, , AID %02x: ", key->internal_index, key->appkey_index, key->aid);
printf_hexdump(key->key, 16);
}
}
void mesh_delete_app_keys(void){
printf("Delete App Keys\n");
uint16_t internal_index;
for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){
mesh_delete_app_key(internal_index);
}
}
// Model to Appkey List
static uint32_t mesh_model_tag_for_index(uint16_t internal_model_id){
return ((uint32_t) 'M' << 24) | ((uint32_t) 'B' << 16) | ((uint32_t) internal_model_id);
}
static void mesh_load_appkey_list(mesh_model_t * model){
mesh_access_setup_tlv();
uint32_t tag = mesh_model_tag_for_index(model->mid);
btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices));
}
static void mesh_store_appkey_list(mesh_model_t * model){
mesh_access_setup_tlv();
uint32_t tag = mesh_model_tag_for_index(model->mid);
btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices));
}
static void mesh_delete_appkey_list(mesh_model_t * model){
mesh_access_setup_tlv();
uint32_t tag = mesh_model_tag_for_index(model->mid);
btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag);
}
void mesh_load_appkey_lists(void){
printf("Load Appkey Lists\n");
// iterate over elements and models
mesh_element_iterator_t element_it;
mesh_element_iterator_init(&element_it);
while (mesh_element_iterator_has_next(&element_it)){
mesh_element_t * element = mesh_element_iterator_next(&element_it);
mesh_model_iterator_t model_it;
mesh_model_iterator_init(&model_it, element);
while (mesh_model_iterator_has_next(&model_it)){
mesh_model_t * model = mesh_model_iterator_next(&model_it);
mesh_load_appkey_list(model);
}
}
}
void mesh_delete_appkey_lists(void){
printf("Delete Appkey Lists\n");
mesh_access_setup_tlv();
// iterate over elements and models
mesh_element_iterator_t element_it;
mesh_element_iterator_init(&element_it);
while (mesh_element_iterator_has_next(&element_it)){
mesh_element_t * element = mesh_element_iterator_next(&element_it);
mesh_model_iterator_t model_it;
mesh_model_iterator_init(&model_it, element);
while (mesh_model_iterator_has_next(&model_it)){
mesh_model_t * model = mesh_model_iterator_next(&model_it);
mesh_delete_appkey_list(model);
}
}
}
void mesh_model_reset_appkeys(mesh_model_t * mesh_model){
int i;
for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){
mesh_model->appkey_indices[i] = MESH_APPKEY_INVALID;
}
}
uint8_t mesh_model_bind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){
int i;
for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){
if (mesh_model->appkey_indices[i] == appkey_index) return MESH_FOUNDATION_STATUS_SUCCESS;
}
for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){
if (mesh_model->appkey_indices[i] == MESH_APPKEY_INVALID) {
mesh_model->appkey_indices[i] = appkey_index;
mesh_store_appkey_list(mesh_model);
return MESH_FOUNDATION_STATUS_SUCCESS;
}
}
return MESH_FOUNDATION_STATUS_INSUFFICIENT_RESOURCES;
}
void mesh_model_unbind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){
int i;
for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){
if (mesh_model->appkey_indices[i] == appkey_index) {
mesh_model->appkey_indices[i] = MESH_APPKEY_INVALID;
mesh_store_appkey_list(mesh_model);
}
}
}
int mesh_model_contains_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){
uint16_t i;
for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){
if (mesh_model->appkey_indices[i] == appkey_index) return 1;
}
return 0;
}
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