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/* Bluetooth Mesh */
/*
* SPDX-FileCopyrightText: 2017 Intel Corporation
* SPDX-FileContributor: 2018-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <errno.h>
#include "btc_ble_mesh_health_model.h"
#include "access.h"
#include "foundation.h"
#include "mesh/common.h"
#if CONFIG_BLE_MESH_HEALTH_SRV
#include "mesh/health_srv.h"
#define HEALTH_TEST_STANDARD 0x00
#define HEALTH_NO_FAULT 0x00
/* Health Server context of the primary element */
struct bt_mesh_health_srv *health_srv;
/**
* When an Element receives a Health Fault Get, or a Health Fault Test, or
* a Health Fault Test Unacknowledged, or a Health Fault Clear, or a Health
* Fault Clear Unacknowledged message that is not successfully processed
* (i.e. the Company ID field that does not identify any Health Fault state
* present in the node), it shall ignore the message.
* The Health Fault state is identified by Company ID and may be present in
* the node for more than one Company ID.
*/
static uint8_t health_get_curr_fault_count(struct bt_mesh_model *model)
{
struct bt_mesh_health_srv *srv = model->user_data;
uint8_t count = 0U;
size_t i = 0U;
for (i = 0U; i < ARRAY_SIZE(srv->test.curr_faults); i++) {
if (srv->test.curr_faults[i] != HEALTH_NO_FAULT) {
count++;
}
}
return count;
}
static void health_get_fault_value(struct bt_mesh_model *model,
struct net_buf_simple *msg,
bool current)
{
struct bt_mesh_health_srv *srv = model->user_data;
size_t array_size = 0U;
size_t i = 0U;
array_size = current ? ARRAY_SIZE(srv->test.curr_faults) : ARRAY_SIZE(srv->test.reg_faults);
for (i = 0U; i < array_size; i++) {
if (net_buf_simple_tailroom(msg) == 0) {
return;
}
uint8_t fault = current ? srv->test.curr_faults[i] : srv->test.reg_faults[i];
if (fault != HEALTH_NO_FAULT) {
net_buf_simple_add_u8(msg, fault);
}
}
}
static bool health_is_test_id_exist(struct bt_mesh_model *model, uint8_t test_id)
{
struct bt_mesh_health_srv *srv = model->user_data;
int i;
for (i = 0; i < srv->test.id_count; i++) {
if (srv->test.test_ids[i] == test_id) {
return true;
}
}
return false;
}
static int health_send_fault_status(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx)
{
struct bt_mesh_health_srv *srv = model->user_data;
struct net_buf_simple *msg = NULL;
int err = 0;
msg = bt_mesh_alloc_buf(4 + ARRAY_SIZE(srv->test.reg_faults) + 4);
if (!msg) {
BT_ERR("%s, Out of memory", __func__);
return -ENOMEM;
}
bt_mesh_model_msg_init(msg, OP_HEALTH_FAULT_STATUS);
net_buf_simple_add_u8(msg, srv->test.prev_test_id);
net_buf_simple_add_le16(msg, srv->test.company_id);
if (ctx->recv_op != OP_HEALTH_FAULT_CLEAR) {
/**
* For Health Fault Clear, the FaultArray field in Health Fault Status
* shall be empty.
*/
health_get_fault_value(model, msg, false);
}
err = bt_mesh_model_send(model, ctx, msg, NULL, NULL);
if (err) {
BT_ERR("Failed to send Health Fault Status response");
}
bt_mesh_free_buf(msg);
return err;
}
static void health_fault_get(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
struct bt_mesh_health_srv *srv = model->user_data;
uint16_t company_id = 0U;
if (!srv) {
BT_ERR("No Health Server context provided");
return;
}
company_id = net_buf_simple_pull_le16(buf);
if (company_id != srv->test.company_id) {
BT_ERR("Unknown Company ID 0x%04x", company_id);
return;
}
BT_DBG("company_id 0x%04x", company_id);
health_send_fault_status(model, ctx);
}
static void health_fault_clear(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
struct bt_mesh_health_srv *srv = model->user_data;
uint16_t company_id = 0U;
if (!srv) {
BT_ERR("No Health Server context provided");
return;
}
company_id = net_buf_simple_pull_le16(buf);
if (company_id != srv->test.company_id) {
BT_ERR("Unknown Company ID 0x%04x", company_id);
return;
}
BT_DBG("company_id 0x%04x", company_id);
memset(srv->test.reg_faults, HEALTH_NO_FAULT, ARRAY_SIZE(srv->test.reg_faults));
if (srv->cb.fault_clear) {
srv->cb.fault_clear(model, company_id);
}
if (ctx->recv_op == OP_HEALTH_FAULT_CLEAR) {
health_send_fault_status(model, ctx);
}
}
static void health_fault_test(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
struct bt_mesh_health_srv *srv = model->user_data;
uint16_t company_id = 0U;
uint8_t test_id = 0U;
if (!srv) {
BT_ERR("No Health Server context provided");
return;
}
test_id = net_buf_simple_pull_u8(buf);
if (health_is_test_id_exist(model, test_id) == false) {
BT_ERR("Unknown Test ID 0x%02x", test_id);
return;
}
company_id = net_buf_simple_pull_le16(buf);
if (company_id != srv->test.company_id) {
BT_ERR("Unknown Company ID 0x%04x", company_id);
return;
}
BT_DBG("test 0x%02x company 0x%04x", test_id, company_id);
srv->test.prev_test_id = test_id;
if (srv->cb.fault_test) {
srv->cb.fault_test(model, test_id, company_id);
}
if (ctx->recv_op == OP_HEALTH_FAULT_TEST) {
health_send_fault_status(model, ctx);
}
}
static void send_attention_status(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx)
{
BLE_MESH_MODEL_BUF_DEFINE(msg, OP_ATTENTION_STATUS, 1);
struct bt_mesh_health_srv *srv = model->user_data;
uint8_t time = 0U;
if (!srv) {
BT_ERR("No Health Server context provided");
return;
}
time = k_delayed_work_remaining_get(&srv->attn_timer) / 1000;
BT_DBG("%u second%s", time, (time == 1U) ? "" : "s");
bt_mesh_model_msg_init(&msg, OP_ATTENTION_STATUS);
net_buf_simple_add_u8(&msg, time);
if (bt_mesh_model_send(model, ctx, &msg, NULL, NULL)) {
BT_ERR("Unable to send Health Attention Status");
}
}
static void attention_get(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
send_attention_status(model, ctx);
}
static void health_set_attention(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
uint8_t time = 0U;
time = net_buf_simple_pull_u8(buf);
BT_DBG("%u second%s", time, (time == 1U) ? "" : "s");
bt_mesh_attention(model, time);
}
static void attention_set(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
health_set_attention(model, ctx, buf);
if (ctx->recv_op == OP_ATTENTION_SET) {
send_attention_status(model, ctx);
}
}
static void send_health_period_status(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx)
{
BLE_MESH_MODEL_BUF_DEFINE(msg, OP_HEALTH_PERIOD_STATUS, 1);
bt_mesh_model_msg_init(&msg, OP_HEALTH_PERIOD_STATUS);
net_buf_simple_add_u8(&msg, model->pub->period_div);
if (bt_mesh_model_send(model, ctx, &msg, NULL, NULL)) {
BT_ERR("Unable to send Health Period Status");
}
}
static void health_period_get(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
send_health_period_status(model, ctx);
}
static void health_set_period(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
uint8_t period = 0U;
period = net_buf_simple_pull_u8(buf);
if (period > 15) {
BT_WARN("Prohibited period value %u", period);
return;
}
BT_DBG("period %u", period);
model->pub->period_div = period;
}
static void health_period_set(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
health_set_period(model, ctx, buf);
if (ctx->recv_op == OP_HEALTH_PERIOD_SET) {
send_health_period_status(model, ctx);
}
}
const struct bt_mesh_model_op bt_mesh_health_srv_op[] = {
{ OP_HEALTH_FAULT_GET, 2, health_fault_get },
{ OP_HEALTH_FAULT_CLEAR, 2, health_fault_clear },
{ OP_HEALTH_FAULT_CLEAR_UNREL, 2, health_fault_clear },
{ OP_HEALTH_FAULT_TEST, 3, health_fault_test },
{ OP_HEALTH_FAULT_TEST_UNREL, 3, health_fault_test },
{ OP_HEALTH_PERIOD_GET, 0, health_period_get },
{ OP_HEALTH_PERIOD_SET, 1, health_period_set },
{ OP_HEALTH_PERIOD_SET_UNREL, 1, health_period_set },
{ OP_ATTENTION_GET, 0, attention_get },
{ OP_ATTENTION_SET, 1, attention_set },
{ OP_ATTENTION_SET_UNREL, 1, attention_set },
BLE_MESH_MODEL_OP_END,
};
static size_t health_get_current(struct bt_mesh_model *model,
struct net_buf_simple *msg)
{
struct bt_mesh_health_srv *srv = model->user_data;
if (!srv) {
BT_ERR("No Health Server context provided");
return 0;
}
if (msg->size < 4) {
BT_ERR("Too small health publication msg size %d", msg->size);
return 0;
}
bt_mesh_model_msg_init(msg, OP_HEALTH_CURRENT_STATUS);
net_buf_simple_add_u8(msg, srv->test.prev_test_id);
net_buf_simple_add_le16(msg, srv->test.company_id);
health_get_fault_value(model, msg, true);
return health_get_curr_fault_count(model);
}
static int health_pub_update(struct bt_mesh_model *model)
{
struct bt_mesh_model_pub *pub = model->pub;
size_t count = 0U;
if (!pub || !pub->msg) {
BT_ERR("Invalid health publication context");
return -EINVAL;
}
count = health_get_current(model, pub->msg);
if (count) {
pub->fast_period = 1U;
} else {
pub->fast_period = 0U;
}
return 0;
}
int bt_mesh_fault_update(struct bt_mesh_elem *elem)
{
struct bt_mesh_model *model = NULL;
model = bt_mesh_model_find(elem, BLE_MESH_MODEL_ID_HEALTH_SRV);
if (!model) {
BT_ERR("Health Server not exists");
return -EINVAL;
}
if (!model->pub) {
BT_ERR("Health Server has no publication support");
return -EINVAL;
}
/* Let periodic publishing, if enabled, take care of sending the
* Health Current Status.
*/
if (bt_mesh_model_pub_period_get(model)) {
return 0;
}
health_pub_update(model);
return bt_mesh_model_publish(model);
}
static void attention_off(struct k_work *work)
{
struct bt_mesh_health_srv *srv = CONTAINER_OF(work,
struct bt_mesh_health_srv,
attn_timer.work);
if (!srv) {
BT_ERR("No Health Server context provided");
return;
}
if (srv->cb.attn_off) {
srv->cb.attn_off(srv->model);
}
srv->attn_timer_start = false;
}
static int health_srv_init(struct bt_mesh_model *model)
{
struct bt_mesh_health_srv *srv = model->user_data;
/* Health Server Model shall be supported by a primary element and may be
* supported by any secondary elements.
*/
if (!srv) {
BT_ERR("No Health Server context provided");
return -EINVAL;
}
if (srv->test.id_count == 0 || !srv->test.test_ids) {
BT_ERR("No Health Test ID provided");
return -EINVAL;
}
if (!model->pub) {
BT_ERR("Health Server has no publication support");
return -EINVAL;
}
model->pub->update = health_pub_update;
k_delayed_work_init(&srv->attn_timer, attention_off);
srv->model = model;
srv->attn_timer_start = false;
memset(srv->test.curr_faults, HEALTH_NO_FAULT, ARRAY_SIZE(srv->test.curr_faults));
memset(srv->test.reg_faults, HEALTH_NO_FAULT, ARRAY_SIZE(srv->test.reg_faults));
if (bt_mesh_model_in_primary(model)) {
health_srv = srv;
}
return 0;
}
#if CONFIG_BLE_MESH_DEINIT
static int health_srv_deinit(struct bt_mesh_model *model)
{
struct bt_mesh_health_srv *srv = model->user_data;
if (!srv) {
BT_ERR("No Health Server context provided");
return -EINVAL;
}
if (srv->test.id_count == 0 || !srv->test.test_ids) {
BT_ERR("No Health Test ID provided");
return -EINVAL;
}
if (!model->pub) {
BT_ERR("Health Server has no publication support");
return -EINVAL;
}
model->pub->addr = BLE_MESH_ADDR_UNASSIGNED;
model->pub->update = NULL;
k_delayed_work_free(&srv->attn_timer);
if (bt_mesh_model_in_primary(model)) {
health_srv = NULL;
}
return 0;
}
#endif /* CONFIG_BLE_MESH_DEINIT */
const struct bt_mesh_model_cb bt_mesh_health_srv_cb = {
.init = health_srv_init,
#if CONFIG_BLE_MESH_DEINIT
.deinit = health_srv_deinit,
#endif /* CONFIG_BLE_MESH_DEINIT */
};
void bt_mesh_attention(struct bt_mesh_model *model, uint8_t time)
{
struct bt_mesh_health_srv *srv = NULL;
if (!model) {
srv = health_srv;
if (!srv) {
BT_WARN("No Health Server context provided");
return;
}
model = srv->model;
} else {
srv = model->user_data;
if (!srv) {
BT_WARN("No Health Server context provided");
return;
}
}
if (time) {
if (srv->cb.attn_on) {
srv->cb.attn_on(model, time);
}
k_delayed_work_submit(&srv->attn_timer, time * 1000U);
srv->attn_timer_start = true;
} else {
k_delayed_work_cancel(&srv->attn_timer);
if (srv->attn_timer_start == true) {
if (srv->cb.attn_off) {
srv->cb.attn_off(model);
}
srv->attn_timer_start = false;
}
}
}
#else /* CONFIG_BLE_MESH_HEALTH_SRV */
void bt_mesh_attention(struct bt_mesh_model *model, uint8_t time)
{
return;
}
#endif /* CONFIG_BLE_MESH_HEALTH_SRV */
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