net/android/traffic_stats.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_ANDROID_TRAFFIC_STATS_H_
   6 #define NET_ANDROID_TRAFFIC_STATS_H_
   7
   8 // This file provides functions that interact with TrafficStats APIs that are
   9 // provided on Android.
  10
  11 #include <jni.h>
  12 #include <stdint.h>
  13
  14 #include "net/base/net_export.h"
  15
  16 namespace net {
  17
  18 namespace android {
  19
  20 namespace traffic_stats {
  21
  22 // Returns true if the number of bytes transmitted since device boot is
  23 // available and sets |*bytes| to that value. Counts packets across all network
  24 // interfaces, and always increases monotonically since device boot.
  25 // Statistics are measured at the network layer, so they include both TCP and
  26 // UDP usage. |bytes| must not be nullptr.
  27 NET_EXPORT bool GetTotalTxBytes(int64_t* bytes);
  28
  29 bool Register(JNIEnv* env);
  30
  31 }  // namespace traffic_stats
  32
  33 }  // namespace android
  34
  35 }  // namespace net
  36
  37 #endif  // NET_ANDROID_TRAFFIC_STATS_H_