text: // Copyright 2017-2019 Espressif Systems (Shanghai) PTE LTD
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #include <string.h>
  #include <errno.h>
  #include <stdbool.h>
  
  #include "osi/allocator.h"
  #include "sdkconfig.h"
  
  #include "mesh_types.h"
  #include "mesh_kernel.h"
  #include "mesh_trace.h"
  
  #include "mesh.h"
  #include "model_opcode.h"
  #include "mesh_common.h"
  #include "lighting_client.h"
  
  #include "btc_ble_mesh_lighting_model.h"
  
  /** The following are the macro definitions of lighting client
   *  model messages length, and a message is composed of three
   *  parts: Opcode + msg_value + MIC
   */
  /* Light lightness client messages length */
  #define BLE_MESH_LIGHT_LIGHTNESS_GET_MSG_LEN              (2 + 0 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_SET_MSG_LEN              (2 + 5 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_LINEAR_GET_MSG_LEN       (2 + 0 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_LINEAR_SET_MSG_LEN       (2 + 5 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_LAST_GET_MSG_LEN         (2 + 0 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_DEFAULT_GET_MSG_LEN      (2 + 0 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_DEFAULT_SET_MSG_LEN      (2 + 2 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_RANGE_GET_MSG_LEN        (2 + 0 + 4)
  #define BLE_MESH_LIGHT_LIGHTNESS_RANGE_SET_MSG_LEN        (2 + 4 + 4)
  
  /* Light CTL client messages length */
  #define BLE_MESH_LIGHT_CTL_GET_MSG_LEN                    (2 + 0 + 4)
  #define BLE_MESH_LIGHT_CTL_SET_MSG_LEN                    (2 + 9 + 4)
  #define BLE_MESH_LIGHT_CTL_TEMPERATURE_GET_MSG_LEN        (2 + 0 + 4)
  #define BLE_MESH_LIGHT_CTL_TEMPERATURE_SET_MSG_LEN        (2 + 7 + 4)
  #define BLE_MESH_LIGHT_CTL_TEMPERATURE_RANGE_GET_MSG_LEN  (2 + 0 + 4)
  #define BLE_MESH_LIGHT_CTL_TEMPERATURE_RANGE_SET_MSG_LEN  (2 + 4 + 4)
  #define BLE_MESH_LIGHT_CTL_DEFAULT_GET_MSG_LEN            (2 + 0 + 4)
  #define BLE_MESH_LIGHT_CTL_DEFAULT_SET_MSG_LEN            (2 + 6 + 4)
  
  /* Light HSL client messages length */
  #define BLE_MESH_LIGHT_HSL_GET_MSG_LEN                    (2 + 0 + 4)
  #define BLE_MESH_LIGHT_HSL_SET_MSG_LEN                    (2 + 9 + 4)
  #define BLE_MESH_LIGHT_HSL_TARGET_GET_MSG_LEN             (2 + 0 + 4)
  #define BLE_MESH_LIGHT_HSL_HUE_GET_MSG_LEN                (2 + 0 + 4)
  #define BLE_MESH_LIGHT_HSL_HUE_SET_MSG_LEN                (2 + 5 + 4)
  #define BLE_MESH_LIGHT_HSL_SATURATION_GET_MSG_LEN         (2 + 0 + 4)
  #define BLE_MESH_LIGHT_HSL_SATURATION_SET_MSG_LEN         (2 + 5 + 4)
  #define BLE_MESH_LIGHT_HSL_DEFAULT_GET_MSG_LEN            (2 + 0 + 4)
  #define BLE_MESH_LIGHT_HSL_DEFAULT_SET_MSG_LEN            (2 + 6 + 4)
  #define BLE_MESH_LIGHT_HSL_RANGE_GET_MSG_LEN              (2 + 0 + 4)
  #define BLE_MESH_LIGHT_HSL_RANGE_SET_MSG_LEN              (2 + 8 + 4)
  
  /* Light xyL client messages length */
  #define BLE_MESH_LIGHT_XYL_SET_MSG_LEN                    (2 + 9 + 4)
  #define BLE_MESH_LIGHT_XYL_DEFAULT_SET_MSG_LEN            (2 + 6 + 4)
  #define BLE_MESH_LIGHT_XYL_RANGE_SET_MSG_LEN              (2 + 8 + 4)
  
  /* Light LC client messages length */
  #define BLE_MESH_LIGHT_LC_MODE_SET_MSG_LEN                (2 + 1 + 4)
  #define BLE_MESH_LIGHT_LC_OM_SET_MSG_LEN                  (2 + 1 + 4)
  #define BLE_MESH_LIGHT_LC_LIGHT_ONOFF_SET_MSG_LEN         (2 + 4 + 4)
  #define BLE_MESH_LIGHT_LC_PROPERTY_GET_MSG_LEN            (2 + 2 + 4)
  #define BLE_MESH_LIGHT_LC_PROPERTY_SET_MSG_LEN            /* variable */
  
  #define BLE_MESH_LIGHT_GET_STATE_MSG_LEN                  (2 + 2 + 4)
  
  static const bt_mesh_client_op_pair_t light_op_pair[] = {
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_GET,             BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_STATUS             },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_SET,             BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_STATUS             },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_GET,      BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_STATUS      },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_SET,      BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_STATUS      },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LAST_GET,        BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LAST_STATUS        },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_GET,     BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_STATUS     },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_SET,     BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_STATUS     },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_GET,       BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_STATUS       },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_SET,       BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_STATUS       },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_GET,                   BLE_MESH_MODEL_OP_LIGHT_CTL_STATUS                   },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_SET,                   BLE_MESH_MODEL_OP_LIGHT_CTL_STATUS                   },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_GET,       BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_STATUS       },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_SET,       BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_STATUS       },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_GET, BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_STATUS },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_SET, BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_STATUS },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_GET,           BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_SET,           BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_GET,                   BLE_MESH_MODEL_OP_LIGHT_HSL_STATUS                   },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_SET,                   BLE_MESH_MODEL_OP_LIGHT_HSL_STATUS                   },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_TARGET_GET,            BLE_MESH_MODEL_OP_LIGHT_HSL_TARGET_STATUS            },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_GET,               BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_STATUS               },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_SET,               BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_STATUS               },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_GET,        BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_STATUS        },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_SET,        BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_STATUS        },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_GET,           BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_SET,           BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_GET,             BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_STATUS             },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_SET,             BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_STATUS             },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_GET,                   BLE_MESH_MODEL_OP_LIGHT_XYL_STATUS                   },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_SET,                   BLE_MESH_MODEL_OP_LIGHT_XYL_STATUS                   },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_TARGET_GET,            BLE_MESH_MODEL_OP_LIGHT_XYL_TARGET_STATUS            },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_GET,           BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_SET,           BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_GET,             BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_STATUS             },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_SET,             BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_STATUS             },
      { BLE_MESH_MODEL_OP_LIGHT_LC_MODE_GET,               BLE_MESH_MODEL_OP_LIGHT_LC_MODE_STATUS               },
      { BLE_MESH_MODEL_OP_LIGHT_LC_MODE_SET,               BLE_MESH_MODEL_OP_LIGHT_LC_MODE_STATUS               },
      { BLE_MESH_MODEL_OP_LIGHT_LC_OM_GET,                 BLE_MESH_MODEL_OP_LIGHT_LC_OM_STATUS                 },
      { BLE_MESH_MODEL_OP_LIGHT_LC_OM_SET,                 BLE_MESH_MODEL_OP_LIGHT_LC_OM_STATUS                 },
      { BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_GET,        BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_STATUS        },
      { BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_SET,        BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_STATUS        },
      { BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_GET,           BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_STATUS           },
      { BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_SET,           BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_STATUS           },
  };
  
  static void timeout_handler(struct k_work *work)
  {
      light_internal_data_t *internal = NULL;
      bt_mesh_light_client_t *client = NULL;
      bt_mesh_client_node_t *node = NULL;
  
      BT_WARN("Receive light status message timeout");
  
      node = CONTAINER_OF(work, bt_mesh_client_node_t, timer.work);
      if (!node || !node->ctx.model) {
          BT_ERR("%s, Invalid parameter", __func__);
          return;
      }
  
      client = (bt_mesh_light_client_t *)node->ctx.model->user_data;
      if (!client) {
          BT_ERR("%s, Lighting Client user_data is NULL", __func__);
          return;
      }
  
      internal = (light_internal_data_t *)client->internal_data;
      if (!internal) {
          BT_ERR("%s, Lighting Client internal_data is NULL", __func__);
          return;
      }
  
      bt_mesh_lighting_client_cb_evt_to_btc(node->opcode,
          BTC_BLE_MESH_EVT_LIGHTING_CLIENT_TIMEOUT, node->ctx.model, &node->ctx, NULL, 0);
  
      bt_mesh_client_free_node(&internal->queue, node);
  
      return;
  }
  
  static void light_status(struct bt_mesh_model *model,
                           struct bt_mesh_msg_ctx *ctx,
                           struct net_buf_simple *buf)
  {
      light_internal_data_t *internal = NULL;
      bt_mesh_light_client_t *client = NULL;
      bt_mesh_client_node_t *node = NULL;
      u8_t  *val = NULL;
      u8_t   evt = 0xFF;
      u32_t  rsp = 0;
      size_t len = 0;
  
      BT_DBG("%s, len %d, bytes %s", __func__, buf->len, bt_hex(buf->data, buf->len));
  
      client = (bt_mesh_light_client_t *)model->user_data;
      if (!client) {
          BT_ERR("%s, Lighting Client user_data is NULL", __func__);
          return;
      }
  
      internal = (light_internal_data_t *)client->internal_data;
      if (!internal) {
          BT_ERR("%s, Lighting Client internal_data is NULL", __func__);
          return;
      }
  
      rsp = ctx->recv_op;
  
      switch (rsp) {
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_STATUS: {
          struct bt_mesh_light_lightness_status *status = NULL;
          if (buf->len != 2 && buf->len != 5) {
              BT_ERR("%s, Invalid Light Lightness Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lightness_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_lightness = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_lightness = net_buf_simple_pull_le16(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lightness_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_STATUS: {
          struct bt_mesh_light_lightness_linear_status *status = NULL;
          if (buf->len != 2 && buf->len != 5) {
              BT_ERR("%s, Invalid Light Lightness Linear Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lightness_linear_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_lightness = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_lightness = net_buf_simple_pull_le16(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lightness_linear_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LAST_STATUS: {
          struct bt_mesh_light_lightness_last_status *status = NULL;
          if (buf->len != 2) {
              BT_ERR("%s, Invalid Light Lightness Last Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lightness_last_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->lightness = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lightness_last_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_STATUS: {
          struct bt_mesh_light_lightness_default_status *status = NULL;
          if (buf->len != 2) {
              BT_ERR("%s, Invalid Light Lightness Default Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lightness_default_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->lightness = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lightness_default_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_STATUS: {
          struct bt_mesh_light_lightness_range_status *status = NULL;
          if (buf->len != 5) {
              BT_ERR("%s, Invalid Light Lightness Range Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lightness_range_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->status_code = net_buf_simple_pull_u8(buf);
          status->range_min = net_buf_simple_pull_le16(buf);
          status->range_max = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lightness_range_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_STATUS: {
          struct bt_mesh_light_ctl_status *status = NULL;
          if (buf->len != 4 && buf->len != 9) {
              BT_ERR("%s, Invalid Light CTL Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_ctl_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_ctl_lightness = net_buf_simple_pull_le16(buf);
          status->present_ctl_temperature = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_ctl_lightness = net_buf_simple_pull_le16(buf);
              status->target_ctl_temperature = net_buf_simple_pull_le16(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_ctl_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_STATUS: {
          struct bt_mesh_light_ctl_temperature_status *status = NULL;
          if (buf->len != 4 && buf->len != 9) {
              BT_ERR("%s, Invalid Light CTL Temperature Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_ctl_temperature_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_ctl_temperature = net_buf_simple_pull_le16(buf);
          status->present_ctl_delta_uv = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_ctl_temperature = net_buf_simple_pull_le16(buf);
              status->target_ctl_delta_uv = net_buf_simple_pull_le16(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_ctl_temperature_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_STATUS: {
          struct bt_mesh_light_ctl_temperature_range_status *status = NULL;
          if (buf->len != 5) {
              BT_ERR("%s, Invalid Light CTL Temperature Range Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_ctl_temperature_range_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->status_code = net_buf_simple_pull_u8(buf);
          status->range_min = net_buf_simple_pull_le16(buf);
          status->range_max = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_ctl_temperature_range_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_STATUS: {
          struct bt_mesh_light_ctl_default_status *status = NULL;
          if (buf->len != 6) {
              BT_ERR("%s, Invalid Light CTL Default Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_ctl_default_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->lightness = net_buf_simple_pull_le16(buf);
          status->temperature = net_buf_simple_pull_le16(buf);
          status->delta_uv = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_ctl_default_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_STATUS: {
          struct bt_mesh_light_hsl_status *status = NULL;
          if (buf->len != 6 && buf->len != 7) {
              BT_ERR("%s, Invalid Light HSL Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_hsl_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->hsl_lightness = net_buf_simple_pull_le16(buf);
          status->hsl_hue = net_buf_simple_pull_le16(buf);
          status->hsl_saturation = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_hsl_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_TARGET_STATUS: {
          struct bt_mesh_light_hsl_target_status *status = NULL;
          if (buf->len != 6 && buf->len != 7) {
              BT_ERR("%s, Invalid Light HSL Target Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_hsl_target_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->hsl_lightness_target = net_buf_simple_pull_le16(buf);
          status->hsl_hue_target = net_buf_simple_pull_le16(buf);
          status->hsl_saturation_target = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_hsl_target_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_STATUS: {
          struct bt_mesh_light_hsl_hue_status *status = NULL;
          if (buf->len != 2 && buf->len != 5) {
              BT_ERR("%s, Invalid Light HSL Hue Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_hsl_hue_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_hue = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_hue = net_buf_simple_pull_le16(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_hsl_hue_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_STATUS: {
          struct bt_mesh_light_hsl_saturation_status *status = NULL;
          if (buf->len != 2 && buf->len != 5) {
              BT_ERR("%s, Invalid Light HSL Saturation Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_hsl_saturation_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_saturation = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_saturation = net_buf_simple_pull_le16(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_hsl_saturation_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_STATUS: {
          struct bt_mesh_light_hsl_default_status *status = NULL;
          if (buf->len != 6) {
              BT_ERR("%s, Invalid Light HSL Default Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_hsl_default_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->lightness = net_buf_simple_pull_le16(buf);
          status->hue = net_buf_simple_pull_le16(buf);
          status->saturation = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_hsl_default_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_STATUS: {
          struct bt_mesh_light_hsl_range_status *status = NULL;
          if (buf->len != 9) {
              BT_ERR("%s, Invalid Light HSL Range Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_hsl_range_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->status_code = net_buf_simple_pull_u8(buf);
          status->hue_range_min = net_buf_simple_pull_le16(buf);
          status->hue_range_max = net_buf_simple_pull_le16(buf);
          status->saturation_range_min = net_buf_simple_pull_le16(buf);
          status->saturation_range_max = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_hsl_range_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_STATUS: {
          struct bt_mesh_light_xyl_status *status = NULL;
          if (buf->len != 6 && buf->len != 7) {
              BT_ERR("%s, Invalid Light xyL Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_xyl_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->xyl_lightness = net_buf_simple_pull_le16(buf);
          status->xyl_x = net_buf_simple_pull_le16(buf);
          status->xyl_y = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_xyl_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_TARGET_STATUS: {
          struct bt_mesh_light_xyl_target_status *status = NULL;
          if (buf->len != 6 && buf->len != 7) {
              BT_ERR("%s, Invalid Light xyL Target Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_xyl_target_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->target_xyl_lightness = net_buf_simple_pull_le16(buf);
          status->target_xyl_x = net_buf_simple_pull_le16(buf);
          status->target_xyl_y = net_buf_simple_pull_le16(buf);
          if (buf->len) {
              status->op_en = true;
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_xyl_target_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_STATUS: {
          struct bt_mesh_light_xyl_default_status *status = NULL;
          if (buf->len != 6) {
              BT_ERR("%s, Invalid Light xyL Default Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_xyl_default_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->lightness = net_buf_simple_pull_le16(buf);
          status->xyl_x = net_buf_simple_pull_le16(buf);
          status->xyl_y = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_xyl_default_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_STATUS: {
          struct bt_mesh_light_xyl_range_status *status = NULL;
          if (buf->len != 9) {
              BT_ERR("%s, Invalid Light xyL Range Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_xyl_range_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->status_code = net_buf_simple_pull_u8(buf);
          status->xyl_x_range_min = net_buf_simple_pull_le16(buf);
          status->xyl_x_range_max = net_buf_simple_pull_le16(buf);
          status->xyl_y_range_min = net_buf_simple_pull_le16(buf);
          status->xyl_y_range_max = net_buf_simple_pull_le16(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_xyl_range_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_STATUS: {
          struct bt_mesh_light_lc_mode_status *status = NULL;
          if (buf->len != 1) {
              BT_ERR("%s, Invalid Light LC Mode Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lc_mode_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->mode = net_buf_simple_pull_u8(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lc_mode_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_OM_STATUS: {
          struct bt_mesh_light_lc_om_status *status = NULL;
          if (buf->len != 1) {
              BT_ERR("%s, Invalid Light LC OM Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lc_om_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->mode = net_buf_simple_pull_u8(buf);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lc_om_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_STATUS: {
          struct bt_mesh_light_lc_light_onoff_status *status = NULL;
          if (buf->len != 1 && buf->len != 3) {
              BT_ERR("%s, Invalid Light LC Light OnOff Status length %d", __func__, buf->len);
              return;
          }
          status = osi_calloc(sizeof(struct bt_mesh_light_lc_light_onoff_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->present_light_onoff = net_buf_simple_pull_u8(buf);
          if (buf->len) {
              status->op_en = true;
              status->target_light_onoff = net_buf_simple_pull_u8(buf);
              status->remain_time = net_buf_simple_pull_u8(buf);
          }
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lc_light_onoff_status);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_STATUS: {
          struct bt_mesh_light_lc_property_status *status = NULL;
          status = osi_calloc(sizeof(struct bt_mesh_light_lc_property_status));
          if (!status) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              return;
          }
          status->light_lc_property_id = net_buf_simple_pull_le16(buf);
          status->light_lc_property_value = bt_mesh_alloc_buf(buf->len);
          if (!status->light_lc_property_value) {
              BT_ERR("%s, Failed to allocate memory", __func__);
              osi_free(status);
              return;
          }
          net_buf_simple_add_mem(status->light_lc_property_value, buf->data, buf->len);
          val = (u8_t *)status;
          len = sizeof(struct bt_mesh_light_lc_property_status);
          break;
      }
      default:
          BT_ERR("%s, Not a Lighting Status message opcode", __func__);
          return;
      }
  
      buf->data = val;
      buf->len  = len;
      node = bt_mesh_is_client_recv_publish_msg(model, ctx, buf, true);
      if (!node) {
          BT_DBG("Unexpected light status message 0x%x", rsp);
      } else {
          switch (node->opcode) {
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LAST_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_GET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_GET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_GET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_TARGET_GET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_GET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_GET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_GET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_TARGET_GET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_GET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_OM_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_GET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_GET:
              evt = BTC_BLE_MESH_EVT_LIGHTING_CLIENT_GET_STATE;
              break;
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_SET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_SET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_SET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_SET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_SET:
          case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_SET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_SET:
          case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_OM_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_SET:
          case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_SET:
              evt = BTC_BLE_MESH_EVT_LIGHTING_CLIENT_SET_STATE;
              break;
          default:
              break;
          }
  
          bt_mesh_lighting_client_cb_evt_to_btc(node->opcode, evt, model, ctx, val, len);
          // Don't forget to release the node at the end.
          bt_mesh_client_free_node(&internal->queue, node);
      }
  
      switch (rsp) {
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_STATUS: {
          struct bt_mesh_light_lc_property_status *status;
          status = (struct bt_mesh_light_lc_property_status *)val;
          bt_mesh_free_buf(status->light_lc_property_value);
          break;
      }
      default:
          break;
      }
  
      osi_free(val);
  
      return;
  }
  
  const struct bt_mesh_model_op light_lightness_cli_op[] = {
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_STATUS,         2, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_STATUS,  2, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LAST_STATUS,    2, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_STATUS, 2, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_STATUS,   5, light_status },
      BLE_MESH_MODEL_OP_END,
  };
  
  const struct bt_mesh_model_op light_ctl_cli_op[] = {
      { BLE_MESH_MODEL_OP_LIGHT_CTL_STATUS,                   4, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_STATUS,       4, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_STATUS, 5, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_STATUS,           6, light_status },
      BLE_MESH_MODEL_OP_END,
  };
  
  const struct bt_mesh_model_op light_hsl_cli_op[] = {
      { BLE_MESH_MODEL_OP_LIGHT_HSL_STATUS,            6, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_TARGET_STATUS,     6, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_STATUS,        2, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_STATUS, 2, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_STATUS,    6, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_STATUS,      9, light_status },
      BLE_MESH_MODEL_OP_END,
  };
  
  const struct bt_mesh_model_op light_xyl_cli_op[] = {
      { BLE_MESH_MODEL_OP_LIGHT_XYL_STATUS,         6, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_TARGET_STATUS,  6, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_STATUS, 6, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_STATUS,   9, light_status },
      BLE_MESH_MODEL_OP_END,
  };
  
  const struct bt_mesh_model_op light_lc_cli_op[] = {
      { BLE_MESH_MODEL_OP_LIGHT_LC_MODE_STATUS,        1, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LC_OM_STATUS,          1, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_STATUS, 1, light_status },
      { BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_STATUS,    2, light_status },
      BLE_MESH_MODEL_OP_END,
  };
  
  static int light_get_state(bt_mesh_client_common_param_t *common, void *value)
  {
      NET_BUF_SIMPLE_DEFINE(msg, BLE_MESH_LIGHT_GET_STATE_MSG_LEN);
      int err;
  
      bt_mesh_model_msg_init(&msg, common->opcode);
  
      if (value) {
          switch (common->opcode) {
          case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_GET: {
              struct bt_mesh_light_lc_property_get *get;
              get = (struct bt_mesh_light_lc_property_get *)value;
              net_buf_simple_add_le16(&msg, get->light_lc_property_id);
              break;
          }
          default:
              BT_DBG("This lighting message should be sent with NULL get pointer");
              break;
          }
      }
  
      err = bt_mesh_client_send_msg(common->model, common->opcode, &common->ctx, &msg,
                                    timeout_handler, common->msg_timeout, true,
                                    common->cb, common->cb_data);
      if (err) {
          BT_ERR("%s, Failed to send Lighting Client Get message (err %d)", __func__, err);
      }
  
      return err;
  }
  
  static int light_set_state(bt_mesh_client_common_param_t *common,
                             void *value, u16_t value_len, bool need_ack)
  {
      struct net_buf_simple *msg = NULL;
      int err;
  
      msg = bt_mesh_alloc_buf(value_len);
      if (!msg) {
          BT_ERR("%s, Failed to allocate memory", __func__);
          return -ENOMEM;
      }
  
      bt_mesh_model_msg_init(msg, common->opcode);
  
      switch (common->opcode) {
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_SET_UNACK: {
          struct bt_mesh_light_lightness_set *set;
          set = (struct bt_mesh_light_lightness_set *)value;
          net_buf_simple_add_le16(msg, set->lightness);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_SET_UNACK: {
          struct bt_mesh_light_lightness_linear_set *set;
          set = (struct bt_mesh_light_lightness_linear_set *)value;
          net_buf_simple_add_le16(msg, set->lightness);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_SET_UNACK: {
          struct bt_mesh_light_lightness_default_set *set;
          set = (struct bt_mesh_light_lightness_default_set *)value;
          net_buf_simple_add_le16(msg, set->lightness);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_SET_UNACK: {
          struct bt_mesh_light_lightness_range_set *set;
          set = (struct bt_mesh_light_lightness_range_set *)value;
          net_buf_simple_add_le16(msg, set->range_min);
          net_buf_simple_add_le16(msg, set->range_max);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_SET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_SET_UNACK: {
          struct bt_mesh_light_ctl_set *set;
          set = (struct bt_mesh_light_ctl_set *)value;
          net_buf_simple_add_le16(msg, set->ctl_lightness);
          net_buf_simple_add_le16(msg, set->ctl_temperature);
          net_buf_simple_add_le16(msg, set->ctl_delta_uv);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_SET_UNACK: {
          struct bt_mesh_light_ctl_temperature_set *set;
          set = (struct bt_mesh_light_ctl_temperature_set *)value;
          net_buf_simple_add_le16(msg, set->ctl_temperature);
          net_buf_simple_add_le16(msg, set->ctl_delta_uv);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_SET_UNACK: {
          struct bt_mesh_light_ctl_temperature_range_set *set;
          set = (struct bt_mesh_light_ctl_temperature_range_set *)value;
          net_buf_simple_add_le16(msg, set->range_min);
          net_buf_simple_add_le16(msg, set->range_max);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_SET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_SET_UNACK: {
          struct bt_mesh_light_ctl_default_set *set;
          set = (struct bt_mesh_light_ctl_default_set *)value;
          net_buf_simple_add_le16(msg, set->lightness);
          net_buf_simple_add_le16(msg, set->temperature);
          net_buf_simple_add_le16(msg, set->delta_uv);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SET_UNACK: {
          struct bt_mesh_light_hsl_set *set;
          set = (struct bt_mesh_light_hsl_set *)value;
          net_buf_simple_add_le16(msg, set->hsl_lightness);
          net_buf_simple_add_le16(msg, set->hsl_hue);
          net_buf_simple_add_le16(msg, set->hsl_saturation);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_SET_UNACK: {
          struct bt_mesh_light_hsl_hue_set *set;
          set = (struct bt_mesh_light_hsl_hue_set *)value;
          net_buf_simple_add_le16(msg, set->hue);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_SET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_SET_UNACK: {
          struct bt_mesh_light_hsl_saturation_set *set;
          set = (struct bt_mesh_light_hsl_saturation_set *)value;
          net_buf_simple_add_le16(msg, set->saturation);
          net_buf_simple_add_u8(msg,   set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_SET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_SET_UNACK: {
          struct bt_mesh_light_hsl_default_set *set;
          set = (struct bt_mesh_light_hsl_default_set *)value;
          net_buf_simple_add_le16(msg, set->lightness);
          net_buf_simple_add_le16(msg, set->hue);
          net_buf_simple_add_le16(msg, set->saturation);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_SET_UNACK: {
          struct bt_mesh_light_hsl_range_set *set;
          set = (struct bt_mesh_light_hsl_range_set *)value;
          net_buf_simple_add_le16(msg, set->hue_range_min);
          net_buf_simple_add_le16(msg, set->hue_range_max);
          net_buf_simple_add_le16(msg, set->saturation_range_min);
          net_buf_simple_add_le16(msg, set->saturation_range_max);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_SET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_SET_UNACK: {
          struct bt_mesh_light_xyl_set *set;
          set = (struct bt_mesh_light_xyl_set *)value;
          net_buf_simple_add_le16(msg, set->xyl_lightness);
          net_buf_simple_add_le16(msg, set->xyl_x);
          net_buf_simple_add_le16(msg, set->xyl_y);
          net_buf_simple_add_u8(msg, set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_SET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_SET_UNACK: {
          struct bt_mesh_light_xyl_default_set *set;
          set = (struct bt_mesh_light_xyl_default_set *)value;
          net_buf_simple_add_le16(msg, set->lightness);
          net_buf_simple_add_le16(msg, set->xyl_x);
          net_buf_simple_add_le16(msg, set->xyl_y);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_SET_UNACK: {
          struct bt_mesh_light_xyl_range_set *set;
          set = (struct bt_mesh_light_xyl_range_set *)value;
          net_buf_simple_add_le16(msg, set->xyl_x_range_min);
          net_buf_simple_add_le16(msg, set->xyl_x_range_max);
          net_buf_simple_add_le16(msg, set->xyl_y_range_min);
          net_buf_simple_add_le16(msg, set->xyl_y_range_max);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_SET_UNACK: {
          struct bt_mesh_light_lc_mode_set *set;
          set = (struct bt_mesh_light_lc_mode_set *)value;
          net_buf_simple_add_u8(msg, set->mode);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_OM_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_OM_SET_UNACK: {
          struct bt_mesh_light_lc_om_set *set;
          set = (struct bt_mesh_light_lc_om_set *)value;
          net_buf_simple_add_u8(msg, set->mode);
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_SET_UNACK: {
          struct bt_mesh_light_lc_light_onoff_set *set;
          set = (struct bt_mesh_light_lc_light_onoff_set *)value;
          net_buf_simple_add_u8(msg, set->light_onoff);
          net_buf_simple_add_u8(msg, set->tid);
          if (set->op_en) {
              net_buf_simple_add_u8(msg, set->trans_time);
              net_buf_simple_add_u8(msg, set->delay);
          }
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_SET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_SET_UNACK: {
          struct bt_mesh_light_lc_property_set *set;
          set = (struct bt_mesh_light_lc_property_set *)value;
          net_buf_simple_add_le16(msg, set->light_lc_property_id);
          net_buf_simple_add_mem(msg, set->light_lc_property_value->data, set->light_lc_property_value->len);
          break;
      }
      default:
          BT_ERR("%s, Not a Lighting Client Set message opcode", __func__);
          err = -EINVAL;
          goto end;
      }
  
      err = bt_mesh_client_send_msg(common->model, common->opcode, &common->ctx, msg,
                                    timeout_handler, common->msg_timeout, need_ack,
                                    common->cb, common->cb_data);
      if (err) {
          BT_ERR("%s, Failed to send Lighting Client Set message (err %d)", __func__, err);
      }
  
  end:
      bt_mesh_free_buf(msg);
  
      return err;
  }
  
  int bt_mesh_light_client_get_state(bt_mesh_client_common_param_t *common, void *get, void *status)
  {
      bt_mesh_light_client_t *client = NULL;
  
      if (!common || !common->model) {
          BT_ERR("%s, Invalid parameter", __func__);
          return -EINVAL;
      }
  
      client = (bt_mesh_light_client_t *)common->model->user_data;
      if (!client || !client->internal_data) {
          BT_ERR("%s, Lighting Client user data is NULL", __func__);
          return -EINVAL;
      }
  
      switch (common->opcode) {
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LAST_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_GET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_GET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_GET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_TARGET_GET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_GET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_GET:
      case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_GET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_TARGET_GET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_GET:
      case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_OM_GET:
      case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_GET:
          break;
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_GET:
          if (!get) {
              BT_ERR("%s, Lighting lc_property_get is NULL", __func__);
              return -EINVAL;
          }
          break;
      default:
          BT_ERR("%s, Not a Lighting Client Get message opcode", __func__);
          return -EINVAL;
      }
  
      return light_get_state(common, get);
  }
  
  int bt_mesh_light_client_set_state(bt_mesh_client_common_param_t *common, void *set, void *status)
  {
      bt_mesh_light_client_t *client = NULL;
      u16_t length   = 0;
      bool  need_ack = false;
  
      if (!common || !common->model || !set) {
          BT_ERR("%s, Invalid parameter", __func__);
          return -EINVAL;
      }
  
      client = (bt_mesh_light_client_t *)common->model->user_data;
      if (!client || !client->internal_data) {
          BT_ERR("%s, Lighting Client user data is NULL", __func__);
          return -EINVAL;
      }
  
      switch (common->opcode) {
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_SET_UNACK: {
          struct bt_mesh_light_lightness_set *value;
          value = (struct bt_mesh_light_lightness_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light Lightness Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_LIGHTNESS_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_LINEAR_SET_UNACK: {
          struct bt_mesh_light_lightness_linear_set *value;
          value = (struct bt_mesh_light_lightness_linear_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light Lightness Linear Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_LIGHTNESS_LINEAR_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_DEFAULT_SET_UNACK:
          length = BLE_MESH_LIGHT_LIGHTNESS_DEFAULT_SET_MSG_LEN;
          break;
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LIGHTNESS_RANGE_SET_UNACK: {
          struct bt_mesh_light_lightness_range_set *value;
          value = (struct bt_mesh_light_lightness_range_set *)set;
          if (value->range_min > value->range_max) {
              BT_ERR("%s, Light Lightness Range Set range min is greater than range max", __func__);
              return -EINVAL;
          }
          length = BLE_MESH_LIGHT_LIGHTNESS_RANGE_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_CTL_SET_UNACK: {
          struct bt_mesh_light_ctl_set *value;
          value = (struct bt_mesh_light_ctl_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light CTL Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_CTL_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_SET_UNACK: {
          struct bt_mesh_light_ctl_temperature_set *value;
          value = (struct bt_mesh_light_ctl_temperature_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light CTL Temperature Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_CTL_TEMPERATURE_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_CTL_TEMPERATURE_RANGE_SET_UNACK: {
          struct bt_mesh_light_ctl_temperature_range_set *value;
          value = (struct bt_mesh_light_ctl_temperature_range_set *)set;
          if (value->range_min > value->range_max) {
              BT_ERR("%s, Light CTL Temperature Range Set range min is greater than range max", __func__);
              return -EINVAL;
          }
          length = BLE_MESH_LIGHT_CTL_TEMPERATURE_RANGE_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_CTL_DEFAULT_SET_UNACK:
          length = BLE_MESH_LIGHT_CTL_DEFAULT_SET_MSG_LEN;
          break;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SET_UNACK: {
          struct bt_mesh_light_hsl_set *value;
          value = (struct bt_mesh_light_hsl_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light HSL Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_HSL_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_HUE_SET_UNACK: {
          struct bt_mesh_light_hsl_hue_set *value;
          value = (struct bt_mesh_light_hsl_hue_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light HSL Hue Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_HSL_HUE_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_SATURATION_SET_UNACK: {
          struct bt_mesh_light_hsl_saturation_set *value;
          value = (struct bt_mesh_light_hsl_saturation_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light HSL Saturation Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_HSL_SATURATION_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_DEFAULT_SET_UNACK:
          length = BLE_MESH_LIGHT_HSL_DEFAULT_SET_MSG_LEN;
          break;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_HSL_RANGE_SET_UNACK: {
          struct bt_mesh_light_hsl_range_set *value;
          value = (struct bt_mesh_light_hsl_range_set *)set;
          if (value->hue_range_min > value->hue_range_max ||
                  value->saturation_range_min > value->saturation_range_max) {
              BT_ERR("%s, Light HSL Range Set range min is greater than range max", __func__);
              return -EINVAL;
          }
          length = BLE_MESH_LIGHT_HSL_RANGE_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_XYL_SET_UNACK: {
          struct bt_mesh_light_xyl_set *value;
          value = (struct bt_mesh_light_xyl_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light xyL Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_XYL_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_XYL_DEFAULT_SET_UNACK:
          length = BLE_MESH_LIGHT_XYL_DEFAULT_SET_MSG_LEN;
          break;
      case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_XYL_RANGE_SET_UNACK: {
          struct bt_mesh_light_xyl_range_set *value;
          value = (struct bt_mesh_light_xyl_range_set *)set;
          if (value->xyl_x_range_min > value->xyl_x_range_max ||
                  value->xyl_y_range_min > value->xyl_y_range_max) {
              BT_ERR("%s, Light xyL Range Set range min is greater than range max", __func__);
              return -EINVAL;
          }
          length = BLE_MESH_LIGHT_XYL_RANGE_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LC_MODE_SET_UNACK:
          length = BLE_MESH_LIGHT_LC_MODE_SET_MSG_LEN;
          break;
      case BLE_MESH_MODEL_OP_LIGHT_LC_OM_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LC_OM_SET_UNACK:
          length = BLE_MESH_LIGHT_LC_OM_SET_MSG_LEN;
          break;
      case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LC_LIGHT_ONOFF_SET_UNACK: {
          struct bt_mesh_light_lc_light_onoff_set *value;
          value = (struct bt_mesh_light_lc_light_onoff_set *)set;
          if (value->op_en) {
              if ((value->trans_time & 0x3F) > 0x3E) {
                  BT_ERR("%s, Invalid Light LC Light OnOff Set transition time", __func__);
                  return -EINVAL;
              }
          }
          length = BLE_MESH_LIGHT_LC_LIGHT_ONOFF_SET_MSG_LEN;
          break;
      }
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_SET:
          need_ack = true;
      case BLE_MESH_MODEL_OP_LIGHT_LC_PROPERTY_SET_UNACK: {
          struct bt_mesh_light_lc_property_set *value;
          value = (struct bt_mesh_light_lc_property_set *)set;
          if (!value->light_lc_property_value) {
              BT_ERR("%s, Lighting light_lc_property_value is NULL", __func__);
              return -EINVAL;
          }
          length = (1 + 2 + value->light_lc_property_value->len + 4);
          break;
      }
      default:
          BT_ERR("%s, Not a Lighting Client Set message opcode", __func__);
          return -EINVAL;
      }
  
      return light_set_state(common, set, length, need_ack);
  }
  
  static int light_client_init(struct bt_mesh_model *model, bool primary)
  {
      light_internal_data_t *internal = NULL;
      bt_mesh_light_client_t *client = NULL;
  
      BT_DBG("primary %u", primary);
  
      if (!model) {
          BT_ERR("%s, Invalid parameter", __func__);
          return -EINVAL;
      }
  
      client = (bt_mesh_light_client_t *)model->user_data;
      if (!client) {
          BT_ERR("%s, Lighting Client user_data is NULL", __func__);
          return -EINVAL;
      }
  
      /* TODO: call osi_free() when deinit function is invoked*/
      internal = osi_calloc(sizeof(light_internal_data_t));
      if (!internal) {
          BT_ERR("%s, Failed to allocate memory", __func__);
          return -ENOMEM;
      }
  
      sys_slist_init(&internal->queue);
  
      client->model = model;
      client->op_pair_size = ARRAY_SIZE(light_op_pair);
      client->op_pair = light_op_pair;
      client->internal_data = internal;
  
      return 0;
  }
  
  int bt_mesh_light_lightness_cli_init(struct bt_mesh_model *model, bool primary)
  {
      return light_client_init(model, primary);
  }
  
  int bt_mesh_light_ctl_cli_init(struct bt_mesh_model *model, bool primary)
  {
      return light_client_init(model, primary);
  }
  
  int bt_mesh_light_hsl_cli_init(struct bt_mesh_model *model, bool primary)
  {
      return light_client_init(model, primary);
  }
  
  int bt_mesh_light_xyl_cli_init(struct bt_mesh_model *model, bool primary)
  {
      return light_client_init(model, primary);
  }
  
  int bt_mesh_light_lc_cli_init(struct bt_mesh_model *model, bool primary)
  {
      return light_client_init(model, primary);
  }