text: /*
   * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
   *
   * SPDX-License-Identifier: Apache-2.0
   */
  
  #include <assert.h>
  #include <stdio.h>
  #include <string.h>
  #include "host/ble_hs.h"
  #include "host/ble_uuid.h"
  #include "gattc.h"
  
  /**
   * Utility function to log an array of bytes.
   */
  void
  print_bytes(const uint8_t *bytes, int len)
  {
      int i;
  
      for (i = 0; i < len; i++) {
          MODLOG_DFLT(DEBUG, "%s0x%02x", i != 0 ? ":" : "", bytes[i]);
      }
  }
  
  void
  print_mbuf(const struct os_mbuf *om)
  {
      int colon, i;
  
      colon = 0;
      while (om != NULL) {
          if (colon) {
              MODLOG_DFLT(INFO, ":");
          } else {
              colon = 1;
          }
          for (i = 0; i < om->om_len; i++) {
              MODLOG_DFLT(INFO, "%s0x%02x", i != 0 ? ":" : "", om->om_data[i]);
          }
          om = SLIST_NEXT(om, om_next);
      }
  }
  
  char *
  addr_str(const void *addr)
  {
      static char buf[6 * 2 + 5 + 1];
      const uint8_t *u8p;
  
      u8p = addr;
      sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
              u8p[5], u8p[4], u8p[3], u8p[2], u8p[1], u8p[0]);
  
      return buf;
  }
  
  void
  print_uuid(const ble_uuid_t *uuid)
  {
      char buf[BLE_UUID_STR_LEN];
  
      MODLOG_DFLT(DEBUG, "%s", ble_uuid_to_str(uuid, buf));
  }
  
  /**
   * Logs information about a connection to the console.
   */
  void
  print_conn_desc(const struct ble_gap_conn_desc *desc)
  {
      MODLOG_DFLT(DEBUG, "handle=%d our_ota_addr_type=%d our_ota_addr=%s ",
                  desc->conn_handle, desc->our_ota_addr.type,
                  addr_str(desc->our_ota_addr.val));
      MODLOG_DFLT(DEBUG, "our_id_addr_type=%d our_id_addr=%s ",
                  desc->our_id_addr.type, addr_str(desc->our_id_addr.val));
      MODLOG_DFLT(DEBUG, "peer_ota_addr_type=%d peer_ota_addr=%s ",
                  desc->peer_ota_addr.type, addr_str(desc->peer_ota_addr.val));
      MODLOG_DFLT(DEBUG, "peer_id_addr_type=%d peer_id_addr=%s ",
                  desc->peer_id_addr.type, addr_str(desc->peer_id_addr.val));
      MODLOG_DFLT(DEBUG, "conn_itvl=%d conn_latency=%d supervision_timeout=%d "
                  "encrypted=%d authenticated=%d bonded=%d",
                  desc->conn_itvl, desc->conn_latency,
                  desc->supervision_timeout,
                  desc->sec_state.encrypted,
                  desc->sec_state.authenticated,
                  desc->sec_state.bonded);
  }
  
  
  void
  print_adv_fields(const struct ble_hs_adv_fields *fields)
  {
      char s[BLE_HS_ADV_MAX_SZ];
      const uint8_t *u8p;
      int i;
  
      if (fields->flags != 0) {
          MODLOG_DFLT(DEBUG, "    flags=0x%02x\n", fields->flags);
      }
  
      if (fields->uuids16 != NULL) {
          MODLOG_DFLT(DEBUG, "    uuids16(%scomplete)=",
                      fields->uuids16_is_complete ? "" : "in");
          for (i = 0; i < fields->num_uuids16; i++) {
              print_uuid(&fields->uuids16[i].u);
              MODLOG_DFLT(DEBUG, " ");
          }
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->uuids32 != NULL) {
          MODLOG_DFLT(DEBUG, "    uuids32(%scomplete)=",
                      fields->uuids32_is_complete ? "" : "in");
          for (i = 0; i < fields->num_uuids32; i++) {
              print_uuid(&fields->uuids32[i].u);
              MODLOG_DFLT(DEBUG, " ");
          }
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->uuids128 != NULL) {
          MODLOG_DFLT(DEBUG, "    uuids128(%scomplete)=",
                      fields->uuids128_is_complete ? "" : "in");
          for (i = 0; i < fields->num_uuids128; i++) {
              print_uuid(&fields->uuids128[i].u);
              MODLOG_DFLT(DEBUG, " ");
          }
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->name != NULL) {
          assert(fields->name_len < sizeof s - 1);
          memcpy(s, fields->name, fields->name_len);
          s[fields->name_len] = '\0';
          MODLOG_DFLT(DEBUG, "    name(%scomplete)=%s\n",
                      fields->name_is_complete ? "" : "in", s);
      }
  
      if (fields->tx_pwr_lvl_is_present) {
          MODLOG_DFLT(DEBUG, "    tx_pwr_lvl=%d\n", fields->tx_pwr_lvl);
      }
  
      if (fields->slave_itvl_range != NULL) {
          MODLOG_DFLT(DEBUG, "    slave_itvl_range=");
          print_bytes(fields->slave_itvl_range, BLE_HS_ADV_SLAVE_ITVL_RANGE_LEN);
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->svc_data_uuid16 != NULL) {
          MODLOG_DFLT(DEBUG, "    svc_data_uuid16=");
          print_bytes(fields->svc_data_uuid16, fields->svc_data_uuid16_len);
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->public_tgt_addr != NULL) {
          MODLOG_DFLT(DEBUG, "    public_tgt_addr=");
          u8p = fields->public_tgt_addr;
          for (i = 0; i < fields->num_public_tgt_addrs; i++) {
              MODLOG_DFLT(DEBUG, "public_tgt_addr=%s ", addr_str(u8p));
              u8p += BLE_HS_ADV_PUBLIC_TGT_ADDR_ENTRY_LEN;
          }
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->appearance_is_present) {
          MODLOG_DFLT(DEBUG, "    appearance=0x%04x\n", fields->appearance);
      }
  
      if (fields->adv_itvl_is_present) {
          MODLOG_DFLT(DEBUG, "    adv_itvl=0x%04x\n", fields->adv_itvl);
      }
  
      if (fields->svc_data_uuid32 != NULL) {
          MODLOG_DFLT(DEBUG, "    svc_data_uuid32=");
          print_bytes(fields->svc_data_uuid32, fields->svc_data_uuid32_len);
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->svc_data_uuid128 != NULL) {
          MODLOG_DFLT(DEBUG, "    svc_data_uuid128=");
          print_bytes(fields->svc_data_uuid128, fields->svc_data_uuid128_len);
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->uri != NULL) {
          MODLOG_DFLT(DEBUG, "    uri=");
          print_bytes(fields->uri, fields->uri_len);
          MODLOG_DFLT(DEBUG, "\n");
      }
  
      if (fields->mfg_data != NULL) {
          MODLOG_DFLT(DEBUG, "    mfg_data=");
          print_bytes(fields->mfg_data, fields->mfg_data_len);
          MODLOG_DFLT(DEBUG, "\n");
      }
  }
  