text: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * 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.
   */
  
  #pragma once
  
  #include "bt_common.h"
  
  
  struct uid_set_t;
  typedef struct uid_set_t uid_set_t;
  
  /**
   * Creates a UID set to keep track of traffic per UID.
   * Caller is responsible for destroying this object via uid_set_destroy().
   */
  uid_set_t *uid_set_create();
  
  void uid_set_destroy(uid_set_t *set);
  
  void uid_set_add_tx(uid_set_t *set, int32_t app_uid, uint64_t bytes);
  void uid_set_add_rx(uid_set_t *set, int32_t app_uid, uint64_t bytes);
  
  /**
   * Returns an array of bt_uid_traffic_t structs, where the end of the array
   * is signaled by an element with app_uid == -1.
   *
   * The caller is responsible for calling GKI_freebuf() on the returned array.
   */
  bt_uid_traffic_t *uid_set_read_and_clear(uid_set_t *set);
  