zephyr/subsys/bluetooth/mesh/large_comp_data_cli.c

158 lines
4.3 KiB
C

/* Bluetooth Mesh */
/*
* Copyright (c) 2021 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>
#include <zephyr/types.h>
#include <zephyr/sys/util.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/bluetooth/bluetooth.h>
#include <zephyr/bluetooth/conn.h>
#include <zephyr/bluetooth/mesh.h>
#include "msg.h"
#include <common/bt_str.h>
#define LOG_LEVEL CONFIG_BT_MESH_MODEL_LOG_LEVEL
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(bt_mesh_large_comp_data_cli);
#include "net.h"
#include "access.h"
#include "foundation.h"
static struct bt_mesh_large_comp_data_cli *cli;
static int32_t msg_timeout;
static int data_status(struct bt_mesh_model *model, struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf, uint32_t op,
void (*cb)(struct bt_mesh_large_comp_data_cli *cli, uint16_t addr,
struct bt_mesh_large_comp_data_rsp *rsp))
{
struct bt_mesh_large_comp_data_rsp *rsp;
uint8_t page;
uint16_t offset;
uint16_t total_size;
LOG_DBG("net_idx 0x%04x app_idx 0x%04x src 0x%04x len %u: %s",
ctx->net_idx, ctx->app_idx, ctx->addr, buf->len,
bt_hex(buf->data, buf->len));
page = net_buf_simple_pull_u8(buf);
offset = net_buf_simple_pull_le16(buf);
total_size = net_buf_simple_pull_le16(buf);
if (bt_mesh_msg_ack_ctx_match(&cli->ack_ctx, op, ctx->addr, (void **)&rsp)) {
rsp->page = page;
rsp->offset = offset;
rsp->total_size = total_size;
if (rsp->data) {
net_buf_simple_add_mem(rsp->data, buf->data,
MIN(net_buf_simple_tailroom(rsp->data), buf->len));
}
bt_mesh_msg_ack_ctx_rx(&cli->ack_ctx);
}
if (cb) {
struct bt_mesh_large_comp_data_rsp status_rsp = {
.page = page,
.offset = offset,
.total_size = total_size,
.data = buf,
};
cb(cli, ctx->addr, &status_rsp);
}
return 0;
}
static int large_comp_data_status(struct bt_mesh_model *model, struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
return data_status(model, ctx, buf, OP_LARGE_COMP_DATA_STATUS,
(cli->cb && cli->cb->large_comp_data_status ?
cli->cb->large_comp_data_status : NULL));
}
static int models_metadata_status(struct bt_mesh_model *model, struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf)
{
return data_status(model, ctx, buf, OP_MODELS_METADATA_STATUS,
(cli->cb && cli->cb->models_metadata_status ?
cli->cb->models_metadata_status : NULL));
}
const struct bt_mesh_model_op _bt_mesh_large_comp_data_cli_op[] = {
{ OP_LARGE_COMP_DATA_STATUS, BT_MESH_LEN_MIN(5), large_comp_data_status },
{ OP_MODELS_METADATA_STATUS, BT_MESH_LEN_MIN(5), models_metadata_status },
BT_MESH_MODEL_OP_END,
};
static int large_comp_data_cli_init(struct bt_mesh_model *model)
{
if (!bt_mesh_model_in_primary(model)) {
LOG_ERR("Large Comp Data Client only allowed in primary element");
return -EINVAL;
}
model->keys[0] = BT_MESH_KEY_DEV_ANY;
model->flags |= BT_MESH_MOD_DEVKEY_ONLY;
cli = model->user_data;
cli->model = model;
msg_timeout = 5000;
bt_mesh_msg_ack_ctx_init(&cli->ack_ctx);
return 0;
}
const struct bt_mesh_model_cb _bt_mesh_large_comp_data_cli_cb = {
.init = large_comp_data_cli_init,
};
static int data_get(uint16_t net_idx, uint16_t addr, uint32_t op, uint32_t status_op, uint8_t page,
size_t offset, struct bt_mesh_large_comp_data_rsp *rsp)
{
BT_MESH_MODEL_BUF_DEFINE(msg, op, 3);
struct bt_mesh_msg_ctx ctx = BT_MESH_MSG_CTX_INIT_DEV(net_idx, addr);
const struct bt_mesh_msg_rsp_ctx rsp_ctx = {
.ack = &cli->ack_ctx,
.op = status_op,
.user_data = rsp,
.timeout = msg_timeout,
};
bt_mesh_model_msg_init(&msg, op);
net_buf_simple_add_u8(&msg, page);
net_buf_simple_add_le16(&msg, offset);
return bt_mesh_msg_ackd_send(cli->model, &ctx, &msg, rsp ? &rsp_ctx : NULL);
}
int bt_mesh_large_comp_data_get(uint16_t net_idx, uint16_t addr, uint8_t page,
size_t offset, struct bt_mesh_large_comp_data_rsp *rsp)
{
return data_get(net_idx, addr, OP_LARGE_COMP_DATA_GET, OP_LARGE_COMP_DATA_STATUS,
page, offset, rsp);
}
int bt_mesh_models_metadata_get(uint16_t net_idx, uint16_t addr, uint8_t page,
size_t offset, struct bt_mesh_large_comp_data_rsp *rsp)
{
return data_get(net_idx, addr, OP_MODELS_METADATA_GET, OP_MODELS_METADATA_STATUS,
page, offset, rsp);
}