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thread_coap_utils.c
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thread_coap_utils.c
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/**
* Copyright (c) 2017-2019 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#include "thread_coap_utils.h"
#include "app_timer.h"
#include "bsp_thread.h"
#include "nrf_assert.h"
#include "sdk_config.h"
#include "thread_utils.h"
#include "settings.h"
#include "tinycbor/cbor.h"
#include <openthread/ip6.h>
#include <openthread/link.h>
#include <openthread/thread.h>
#include <openthread/icmp6.h>
#include <openthread/platform/alarm-milli.h>
#include <openthread/platform/misc.h>
APP_TIMER_DEF(m_led_send_timer);
APP_TIMER_DEF(m_led_recv_timer);
APP_TIMER_DEF(m_boot_timer);
APP_TIMER_DEF(m_poll_period_fast_timer);
static otIcmp6Handler m_icmp6_handler;
static void bsp_send_led_timer_handler(void * p_context)
{
bsp_board_led_off(LED_SEND_NOTIFICATION);
}
static void bsp_recv_led_timer_handler(void * p_context)
{
bsp_board_led_off(LED_RECV_NOTIFICATION);
}
void blink_recv_led()
{
uint32_t err_code;
bsp_board_led_on(LED_RECV_NOTIFICATION);
err_code = app_timer_start(m_led_recv_timer, APP_TIMER_TICKS(25), NULL);
}
void blink_send_led()
{
uint32_t err_code;
bsp_board_led_on(LED_SEND_NOTIFICATION);
err_code = app_timer_start(m_led_send_timer, APP_TIMER_TICKS(25), NULL);
}
static void icmp_receive_callback(void * p_context,
otMessage * p_message,
const otMessageInfo * p_message_info,
const otIcmp6Header * p_icmp_header)
{
if (p_icmp_header->mType == OT_ICMP6_TYPE_ECHO_REQUEST) {
blink_recv_led();
}
}
static uint32_t m_poll_period = 0;
static void boot_request_handler(void *, otMessage *, const otMessageInfo *);
static void info_request_handler(void *, otMessage *, const otMessageInfo *);
static void set_request_handler(void *, otMessage *, const otMessageInfo *);
static void get_request_handler(void *, otMessage *, const otMessageInfo *);
static void sub_request_handler(void *, otMessage *, const otMessageInfo *);
static otCoapResource m_boot_resource = { .mUriPath = "boot", .mHandler = boot_request_handler, .mContext = NULL, .mNext = NULL, };
static otCoapResource m_info_resource = { .mUriPath = "info", .mHandler = info_request_handler, .mContext = NULL, .mNext = NULL, };
static otCoapResource m_set_resource = { .mUriPath = "set", .mHandler = set_request_handler, .mContext = NULL, .mNext = NULL, };
static otCoapResource m_get_resource = { .mUriPath = "get", .mHandler = get_request_handler, .mContext = NULL, .mNext = NULL, };
static otCoapResource m_sub_resource = { .mUriPath = "sub", .mHandler = sub_request_handler, .mContext = NULL, .mNext = NULL, };
APP_TIMER_DEF(m_subscription_timer);
static subscription_settings_data subscription_settings = {
.subscription_address = {0},
.subscription_interval = 1000,
.last_sent_at = 0,
};
extern sensor_subscription sensor_subscriptions[];
bool set_sensor_value(char sensor_name, int64_t sensor_value, bool external_request)
{
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
if (sensor_subscriptions[i].sensor_name == sensor_name) {
sensor_subscriptions[i].initialized = true;
if (external_request) {
sensor_subscriptions[i].sent_value = sensor_value;
sensor_subscriptions[i].current_value = sensor_value;
if (sensor_subscriptions[i].set_value_handler)
sensor_subscriptions[i].set_value_handler(sensor_name, sensor_value);
} else {
sensor_subscriptions[i].current_value = sensor_value;
}
return true;
}
}
return false;
}
bool get_sensor_value(char sensor_name, int64_t *p_sensor_value)
{
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
if (sensor_subscriptions[i].sensor_name == sensor_name) {
if (sensor_subscriptions[i].initialized == false)
return false;
*p_sensor_value = sensor_subscriptions[i].current_value;
return true;
}
}
return false;
}
bool is_sensor_readonly(char sensor_name)
{
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
if (sensor_subscriptions[i].sensor_name == sensor_name) {
return sensor_subscriptions[i].read_only;
}
}
return true;
}
int16_t get_sensor_index(char sensor_name)
{
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
if (sensor_subscriptions[i].sensor_name == sensor_name) {
return i;
}
}
return -1;
}
static uint32_t poll_period_fast_set(void)
{
uint32_t error;
otError ot_error;
otInstance * p_instance = thread_ot_instance_get();
do {
if (otThreadGetLinkMode(p_instance).mRxOnWhenIdle) {
error = NRF_ERROR_INVALID_STATE;
break;
}
if (!m_poll_period) {
m_poll_period = otLinkGetPollPeriod(p_instance);
ot_error = otLinkSetPollPeriod(p_instance, DEFAULT_POLL_PERIOD_FAST);
ASSERT(ot_error == OT_ERROR_NONE);
error = NRF_SUCCESS;
app_timer_start(m_poll_period_fast_timer, APP_TIMER_TICKS(DEFAULT_POLL_PERIOD_FAST_TIMEOUT), NULL);
} else {
error = NRF_ERROR_BUSY;
}
} while (false);
return error;
}
static void poll_period_restore(void)
{
otError error;
otInstance * p_instance = thread_ot_instance_get();
do {
if (otThreadGetLinkMode(p_instance).mRxOnWhenIdle) {
break;
}
if (m_poll_period) {
error = otLinkSetPollPeriod(p_instance, m_poll_period);
ASSERT(error == OT_ERROR_NONE);
m_poll_period = 0;
app_timer_stop(m_poll_period_fast_timer);
}
} while (false);
}
static void poll_period_fast_timer_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
poll_period_restore();
}
static void coap_default_handler(void * p_context, otMessage * p_message, const otMessageInfo * p_message_info)
{
UNUSED_PARAMETER(p_context);
UNUSED_PARAMETER(p_message);
UNUSED_PARAMETER(p_message_info);
}
CborError cbor_encode_map_set_stringz(CborEncoder *p_encoder, const char *key, const char *value)
{
CborError cborError = cbor_encode_text_stringz(p_encoder, key);
if (cborError != CborNoError)
return cborError;
cborError = cbor_encode_text_stringz(p_encoder, value);
return cborError;
}
CborError cbor_encode_map_set_int(CborEncoder *p_encoder, const char *key, int64_t value)
{
CborError cborError = cbor_encode_text_stringz(p_encoder, key);
if (cborError != CborNoError)
return cborError;
cborError = cbor_encode_int(p_encoder, value);
return cborError;
}
static void boot_timer_handler(void * p_context)
{
NRF_POWER->GPREGRET = 0xB1;
NVIC_SystemReset();
}
static otError boot_response_send(otMessage * p_request_message, const otMessageInfo * p_message_info)
{
otError error = OT_ERROR_NO_BUFS;
otMessage * p_response;
otInstance * p_instance = thread_ot_instance_get();
do {
p_response = otCoapNewMessage(p_instance, NULL);
if (p_response == NULL)
break;
otCoapMessageInit(p_response, OT_COAP_TYPE_NON_CONFIRMABLE, OT_COAP_CODE_CONTENT);
error = otCoapMessageSetToken(p_response, otCoapMessageGetToken(p_request_message), otCoapMessageGetTokenLength(p_request_message));
if (error != OT_ERROR_NONE)
break;
error = otCoapSendResponse(p_instance, p_response, p_message_info);
} while (false);
if (error != OT_ERROR_NONE && p_response != NULL)
otMessageFree(p_response);
return error;
}
static void boot_request_handler(void * p_context, otMessage * p_message, const otMessageInfo * p_message_info)
{
UNUSED_PARAMETER(p_message);
otError error;
otMessageInfo message_info;
if (otCoapMessageGetCode(p_message) == OT_COAP_CODE_POST) {
message_info = *p_message_info;
memset(&message_info.mSockAddr, 0, sizeof(message_info.mSockAddr));
error = boot_response_send(p_message, &message_info);
if (error == OT_ERROR_NONE) {
}
ret_code_t err_code = app_timer_start(m_boot_timer, APP_TIMER_TICKS(1000), NULL);
}
blink_recv_led();
}
size_t fill_info_packet(uint8_t *pBuffer, size_t stBufferSize)
{
CborEncoder encoder;
CborError cborError = CborNoError;
cbor_encoder_init(&encoder, pBuffer, stBufferSize, 0);
CborEncoder encoderMap;
cborError = cbor_encoder_create_map(&encoder, &encoderMap, CborIndefiniteLength);
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_map_set_stringz(&encoderMap, "t", INFO_FIRMWARE_TYPE);
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_map_set_stringz(&encoderMap, "v", INFO_FIRMWARE_VERSION);
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_map_set_int(&encoderMap, "r", otPlatGetResetReason(thread_ot_instance_get()));
if (cborError != CborNoError)
return 0;
uint8_t macAddr[8];
otPlatRadioGetIeeeEui64(thread_ot_instance_get(), macAddr);
cborError = cbor_encode_text_stringz(&encoderMap, "m");
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_byte_string(&encoderMap, macAddr, sizeof(macAddr));
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_text_stringz(&encoderMap, "e");
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_byte_string(&encoderMap, (const uint8_t *)otLinkGetExtendedAddress(thread_ot_instance_get()), sizeof(otExtAddress));
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_text_stringz(&encoderMap, "a");
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_byte_string(&encoderMap, (const uint8_t *)otThreadGetMeshLocalEid(thread_ot_instance_get()), sizeof(otIp6Address));
if (cborError != CborNoError)
return 0;
cborError = cbor_encode_text_stringz(&encoderMap, "s");
CborEncoder encoderArr;
cborError = cbor_encoder_create_array(&encoderMap, &encoderArr, CborIndefiniteLength);
if (cborError != CborNoError)
return 0;
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
cbor_encode_text_string(&encoderArr, &sensor_subscriptions[i].sensor_name, 1);
}
cborError = cbor_encoder_close_container(&encoderMap, &encoderArr);
if (cborError != CborNoError)
return 0;
cborError = cbor_encoder_close_container(&encoder, &encoderMap);
if (cborError != CborNoError)
return 0;
return cbor_encoder_get_buffer_size(&encoder, pBuffer);
}
static otError info_response_send(otMessage * p_request_message, const otMessageInfo * p_message_info)
{
otError error = OT_ERROR_NO_BUFS;
otMessage * p_response;
otInstance * p_instance = thread_ot_instance_get();
do {
p_response = otCoapNewMessage(p_instance, NULL);
if (p_response == NULL)
break;
otCoapMessageInit(p_response, OT_COAP_TYPE_NON_CONFIRMABLE, OT_COAP_CODE_CONTENT);
error = otCoapMessageSetToken(p_response, otCoapMessageGetToken(p_request_message), otCoapMessageGetTokenLength(p_request_message));
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageAppendContentFormatOption(p_response, OT_COAP_OPTION_CONTENT_FORMAT_CBOR);
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageSetPayloadMarker(p_response);
if (error != OT_ERROR_NONE)
break;
uint8_t buff[256];
size_t packet_len = fill_info_packet(buff, sizeof(buff));
if (packet_len == 0)
break;
error = otMessageAppend(p_response, buff, packet_len);
if (error != OT_ERROR_NONE)
break;
error = otCoapSendResponse(p_instance, p_response, p_message_info);
} while (false);
if (error != OT_ERROR_NONE && p_response != NULL)
otMessageFree(p_response);
return error;
}
static void info_request_handler(void * p_context, otMessage * p_message, const otMessageInfo * p_message_info)
{
UNUSED_PARAMETER(p_message);
otError error;
otMessageInfo message_info;
if (otCoapMessageGetCode(p_message) == OT_COAP_CODE_GET) {
message_info = *p_message_info;
memset(&message_info.mSockAddr, 0, sizeof(message_info.mSockAddr));
error = info_response_send(p_message, &message_info);
if (error == OT_ERROR_NONE) {
}
}
blink_recv_led();
}
static void set_response_send(otMessage * p_request_message, const otMessageInfo * p_message_info, const uint8_t *p_buff, size_t buff_size)
{
otError error = OT_ERROR_NO_BUFS;
otMessage * p_response;
otInstance * p_instance = thread_ot_instance_get();
do {
p_response = otCoapNewMessage(p_instance, NULL);
if (p_response == NULL)
break;
otCoapMessageInit(p_response, OT_COAP_TYPE_NON_CONFIRMABLE, OT_COAP_CODE_CONTENT);
error = otCoapMessageSetToken(p_response, otCoapMessageGetToken(p_request_message), otCoapMessageGetTokenLength(p_request_message));
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageAppendContentFormatOption(p_response, OT_COAP_OPTION_CONTENT_FORMAT_CBOR);
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageSetPayloadMarker(p_response);
if (error != OT_ERROR_NONE)
break;
error = otMessageAppend(p_response, p_buff, buff_size);
if (error != OT_ERROR_NONE)
break;
error = otCoapSendResponse(p_instance, p_response, p_message_info);
} while (false);
if ((error != OT_ERROR_NONE) && (p_response != NULL))
otMessageFree(p_response);
}
static void set_request_handler(void * p_context, otMessage * p_message, const otMessageInfo * p_message_info)
{
do {
if (otCoapMessageGetType(p_message) != OT_COAP_TYPE_CONFIRMABLE && otCoapMessageGetType(p_message) != OT_COAP_TYPE_NON_CONFIRMABLE)
break;
if (otCoapMessageGetCode(p_message) != OT_COAP_CODE_PUT)
break;
uint8_t buff[256];
uint16_t body_len = otMessageGetLength(p_message) - otMessageGetOffset(p_message);
if (body_len > sizeof(buff))
break;
if (otMessageRead(p_message, otMessageGetOffset(p_message), buff, body_len) != body_len)
break;
CborParser parser;
CborValue it;
CborError cborError = cbor_parser_init(buff, body_len, 0, &parser, &it);
if (cborError != CborNoError)
break;
if (cbor_value_at_end(&it) || cbor_value_get_type(&it) != CborMapType)
break;
CborValue recursed;
cborError = cbor_value_enter_container(&it, &recursed);
if (cborError != CborNoError)
break;
uint8_t buff_resp[256];
CborEncoder encoder;
cbor_encoder_init(&encoder, buff_resp, sizeof(buff_resp), 0);
CborEncoder encoderMap;
cborError = cbor_encoder_create_map(&encoder, &encoderMap, CborIndefiniteLength);
if (cborError != CborNoError)
break;
while (!cbor_value_at_end(&recursed)) {
CborType type = cbor_value_get_type(&recursed);
if (type != CborTextStringType)
break;
char key[256];
size_t keyLen = sizeof(key);
CborValue next;
cborError = cbor_value_copy_text_string(&recursed, key, &keyLen, &next);
if (key[1] != 0)
break;
recursed = next;
type = cbor_value_get_type(&recursed);
if (type != CborIntegerType)
break;
int64_t val;
cborError = cbor_value_get_int64(&recursed, &val);
if (cborError != CborNoError)
break;
if (!is_sensor_readonly(key[0])) {
set_sensor_value(key[0], val, true);
cbor_encode_map_set_int(&encoderMap, key, val);
}
cborError = cbor_value_advance(&recursed);
if (cborError != CborNoError)
break;
}
cborError = cbor_encoder_close_container(&encoder, &encoderMap);
if (cborError != CborNoError)
break;
if (otCoapMessageGetType(p_message) == OT_COAP_TYPE_CONFIRMABLE) {
size_t buff_size = cbor_encoder_get_buffer_size(&encoder, buff_resp);
set_response_send(p_message, p_message_info, buff_resp, buff_size);
}
}
while (false);
blink_recv_led();
}
static otError get_response_send(otMessage *p_request_message, const otMessageInfo *p_message_info, const uint8_t *p_buff, size_t buff_size)
{
otError error = OT_ERROR_NO_BUFS;
otMessage *p_response;
otInstance *p_instance = thread_ot_instance_get();
do {
p_response = otCoapNewMessage(p_instance, NULL);
if (p_response == NULL)
break;
otCoapMessageInit(p_response, OT_COAP_TYPE_NON_CONFIRMABLE, OT_COAP_CODE_CONTENT);
error = otCoapMessageSetToken(p_response, otCoapMessageGetToken(p_request_message), otCoapMessageGetTokenLength(p_request_message));
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageAppendContentFormatOption(p_response, OT_COAP_OPTION_CONTENT_FORMAT_CBOR);
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageSetPayloadMarker(p_response);
if (error != OT_ERROR_NONE)
break;
error = otMessageAppend(p_response, p_buff, buff_size);
if (error != OT_ERROR_NONE)
break;
error = otCoapSendResponse(p_instance, p_response, p_message_info);
} while (false);
if (error != OT_ERROR_NONE && p_response != NULL)
otMessageFree(p_response);
return error;
}
static void get_request_handler(void *p_context, otMessage *p_message, const otMessageInfo *p_message_info)
{
do {
if (otCoapMessageGetType(p_message) != OT_COAP_TYPE_CONFIRMABLE)
break;
if (otCoapMessageGetCode(p_message) != OT_COAP_CODE_GET)
break;
uint8_t buff_req[256];
uint16_t body_len = otMessageGetLength(p_message) - otMessageGetOffset(p_message);
if (body_len > sizeof(buff_req))
break;
if (otMessageRead(p_message, otMessageGetOffset(p_message), buff_req, body_len) != body_len)
break;
CborParser parser;
CborValue it;
CborError cborError = cbor_parser_init(buff_req, body_len, 0, &parser, &it);
if (cborError != CborNoError)
break;
if (cbor_value_at_end(&it) || cbor_value_get_type(&it) != CborArrayType)
break;
CborValue recursed;
cborError = cbor_value_enter_container(&it, &recursed);
if (cborError != CborNoError)
break;
uint8_t buff_resp[256];
CborEncoder encoder;
cbor_encoder_init(&encoder, buff_resp, sizeof(buff_resp), 0);
CborEncoder encoderMap;
cborError = cbor_encoder_create_map(&encoder, &encoderMap, CborIndefiniteLength);
if (cborError != CborNoError)
break;
while (!cbor_value_at_end(&recursed))
{
CborType type = cbor_value_get_type(&recursed);
if (type != CborTextStringType)
break;
char key[2];
size_t keyLen = sizeof(key);
CborValue next;
cborError = cbor_value_copy_text_string(&recursed, key, &keyLen, &next);
if (key[1] != 0)
break;
recursed = next;
int64_t sensor_value;
if (!get_sensor_value(key[0], &sensor_value))
break;
cbor_encode_map_set_int(&encoderMap, key, sensor_value);
}
cborError = cbor_encoder_close_container(&encoder, &encoderMap);
if (cborError != CborNoError)
break;
if (otCoapMessageGetType(p_message) == OT_COAP_TYPE_CONFIRMABLE) {
size_t buff_size = cbor_encoder_get_buffer_size(&encoder, buff_resp);
get_response_send(p_message, p_message_info, buff_resp, buff_size);
}
} while (false);
blink_recv_led();
}
static void sub_response_send(otMessage * p_request_message, const otMessageInfo * p_message_info, const uint8_t *p_buff, size_t buff_size)
{
otError error = OT_ERROR_NO_BUFS;
otMessage * p_response;
otInstance * p_instance = thread_ot_instance_get();
do {
p_response = otCoapNewMessage(p_instance, NULL);
if (p_response == NULL)
break;
otCoapMessageInit(p_response, OT_COAP_TYPE_NON_CONFIRMABLE, OT_COAP_CODE_CONTENT);
error = otCoapMessageSetToken(p_response, otCoapMessageGetToken(p_request_message), otCoapMessageGetTokenLength(p_request_message));
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageAppendContentFormatOption(p_response, OT_COAP_OPTION_CONTENT_FORMAT_CBOR);
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageSetPayloadMarker(p_response);
if (error != OT_ERROR_NONE)
break;
error = otMessageAppend(p_response, p_buff, buff_size);
if (error != OT_ERROR_NONE)
break;
error = otCoapSendResponse(p_instance, p_response, p_message_info);
} while (false);
if ((error != OT_ERROR_NONE) && (p_response != NULL))
otMessageFree(p_response);
}
static size_t parse_subscriptions(uint8_t *p_request, size_t request_size, uint8_t *p_response, size_t response_size)
{
uint32_t time_now = otPlatAlarmMilliGetNow();
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
sensor_subscriptions[i].disable_reporting = true;
sensor_subscriptions[i].last_sent_at = time_now;
sensor_subscriptions[i].sent_value = sensor_subscriptions[i].current_value;
}
CborParser parser;
CborValue it;
CborError cborError = cbor_parser_init(p_request, request_size, 0, &parser, &it);
if (cborError != CborNoError)
return 0;
if (cbor_value_at_end(&it) || cbor_value_get_type(&it) != CborMapType)
return 0;
CborValue recursed;
cborError = cbor_value_enter_container(&it, &recursed);
if (cborError != CborNoError)
return 0;
CborEncoder encoder;
cbor_encoder_init(&encoder, p_response, response_size, 0);
CborEncoder encoderMap;
cborError = cbor_encoder_create_map(&encoder, &encoderMap, CborIndefiniteLength);
if (cborError != CborNoError)
return 0;
while (!cbor_value_at_end(&recursed)) {
CborType type = cbor_value_get_type(&recursed);
if (type != CborTextStringType)
return 0;
char key[2];
size_t keyLen = sizeof(key);
CborValue next;
cborError = cbor_value_copy_text_string(&recursed, key, &keyLen, &next);
if (cborError != CborNoError)
return 0;
if (key[1] != 0)
return 0;
recursed = next;
type = cbor_value_get_type(&recursed);
switch (key[0]) {
case 'a': {
if (type != CborByteStringType)
return 0;
size_t addr_size = 0;
cborError = cbor_value_calculate_string_length(&recursed, &addr_size);
if (cborError != CborNoError)
return 0;
if (addr_size != sizeof(otIp6Address))
return 0;
addr_size = sizeof(otIp6Address);
cborError = cbor_value_copy_byte_string(&recursed, subscription_settings.subscription_address.mFields.m8, &addr_size, &next);
if (cborError != CborNoError)
return 0;
if (addr_size != sizeof(otIp6Address))
return 0;
recursed = next;
break;
}
case 's': {
if (type != CborMapType)
return 0;
CborValue recursedMapS;
cborError = cbor_value_enter_container(&recursed, &recursedMapS);
if (cborError != CborNoError)
return 0;
while (!cbor_value_at_end(&recursedMapS)) {
CborType type = cbor_value_get_type(&recursedMapS);
if (type != CborTextStringType)
return 0;
char keyS[2];
size_t keySLen = sizeof(keyS);
cborError = cbor_value_copy_text_string(&recursedMapS, keyS, &keySLen, &next);
if (cborError != CborNoError)
return 0;
if (keyS[1] != 0)
return 0;
int16_t sensor_index = get_sensor_index(keyS[0]);
if (sensor_index == -1)
return 0;
recursedMapS = next;
if (cbor_value_get_type(&recursedMapS) != CborMapType)
return 0;
CborValue recursedMapSR;
cborError = cbor_value_enter_container(&recursedMapS, &recursedMapSR);
if (cborError != CborNoError)
return 0;
while (!cbor_value_at_end(&recursedMapSR)) {
CborType type = cbor_value_get_type(&recursedMapSR);
if (type != CborTextStringType)
return 0;
char keySR[2];
size_t keySRLen = sizeof(keySR);
cborError = cbor_value_copy_text_string(&recursedMapSR, keySR, &keySRLen, &next);
if (cborError != CborNoError)
return 0;
if (keySR[0] != 'i' && keySR[0] != 'r')
return 0;
if (keySR[1] != 0)
return 0;
recursedMapSR = next;
type = cbor_value_get_type(&recursedMapSR);
if (type != CborIntegerType)
return 0;
int64_t val;
cborError = cbor_value_get_int64(&recursedMapSR, &val);
if (cborError != CborNoError)
return 0;
cborError = cbor_value_advance(&recursedMapSR);
if (cborError != CborNoError)
return 0;
if (keySR[0] == 'i')
sensor_subscriptions[sensor_index].report_interval = (uint32_t)val;
else if (keySR[0] == 'r')
sensor_subscriptions[sensor_index].reportable_change = val;
}
cborError = cbor_value_leave_container(&recursedMapS, &recursedMapSR);
if (cborError != CborNoError)
return 0;
sensor_subscriptions[sensor_index].disable_reporting = false;
}
cborError = cbor_value_leave_container(&recursed, &recursedMapS);
if (cborError != CborNoError)
return 0;
break;
}
default:
return 0;
}
}
cborError = cbor_encoder_close_container(&encoder, &encoderMap);
if (cborError != CborNoError)
return 0;
return cbor_encoder_get_buffer_size(&encoder, p_response);
}
static void sub_request_handler(void * p_context, otMessage * p_message, const otMessageInfo * p_message_info)
{
do {
if (otCoapMessageGetType(p_message) != OT_COAP_TYPE_CONFIRMABLE && otCoapMessageGetType(p_message) != OT_COAP_TYPE_NON_CONFIRMABLE)
break;
if (otCoapMessageGetCode(p_message) != OT_COAP_CODE_PUT)
break;
uint8_t buff_request[256];
uint16_t request_size = otMessageGetLength(p_message) - otMessageGetOffset(p_message);
if (request_size > sizeof(buff_request))
break;
if (otMessageRead(p_message, otMessageGetOffset(p_message), buff_request, request_size) != request_size)
break;
uint8_t buff_response[256];
size_t response_size = parse_subscriptions(buff_request, request_size, buff_response, sizeof(buff_response));
if (response_size == 0)
break;
if (otCoapMessageGetType(p_message) == OT_COAP_TYPE_CONFIRMABLE)
set_response_send(p_message, p_message_info, buff_response, response_size);
}
while (false);
blink_recv_led();
}
static void subscription_response_handler(void * p_context,
otMessage * p_message,
const otMessageInfo * p_message_info,
otError result)
{
poll_period_restore();
}
static void send_subscription_broadcast()
{
otError error = OT_ERROR_NONE;
otMessage * p_request;
otMessageInfo message_info;
otInstance * p_instance = thread_ot_instance_get();
do {
p_request = otCoapNewMessage(p_instance, NULL);
if (p_request == NULL)
break;
otCoapMessageInit(p_request, OT_COAP_TYPE_NON_CONFIRMABLE, OT_COAP_CODE_POST);
error = otCoapMessageAppendUriPathOptions(p_request, "up");
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageAppendContentFormatOption(p_request, OT_COAP_OPTION_CONTENT_FORMAT_CBOR);
if (error != OT_ERROR_NONE)
break;
error = otCoapMessageSetPayloadMarker(p_request);
if (error != OT_ERROR_NONE)
break;
uint8_t buff[256];
size_t packet_len = fill_info_packet(buff, sizeof(buff));
if (packet_len == 0)
break;
error = otMessageAppend(p_request, buff, packet_len);
if (error != OT_ERROR_NONE)
break;
memset(&message_info, 0, sizeof(message_info));
message_info.mPeerPort = OT_DEFAULT_COAP_PORT;
error = otIp6AddressFromString("ff03::1", &message_info.mPeerAddr);
if (error != OT_ERROR_NONE)
break;
error = otCoapSendRequest(p_instance, p_request, &message_info, subscription_response_handler, p_instance);
if (error != OT_ERROR_NONE)
break;
poll_period_fast_set();
blink_send_led();
} while (false);
if (error != OT_ERROR_NONE && p_request != NULL)
otMessageFree(p_request);
}
size_t fill_subscriptions_packet(uint32_t time_now, uint8_t *pBuffer, size_t stBufferSize)
{
CborEncoder encoder;
CborError cborError = CborNoError;
cbor_encoder_init(&encoder, pBuffer, stBufferSize, 0);
CborEncoder encoderMap;
cborError = cbor_encoder_create_map(&encoder, &encoderMap, CborIndefiniteLength);
if (cborError != CborNoError)
return 0;
bool data_added = false;
for (int i = 0; sensor_subscriptions[i].sensor_name != SENSOR_SUBSCRIPTION_NAME_LAST; i++) {
if (sensor_subscriptions[i].disable_reporting)