net/base/network_activity_monitor.cc

   1 // Copyright (c) 2014 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 #include "net/base/network_activity_monitor.h"
   6
   7 namespace net {
   8
   9 namespace {
  10
  11 base::LazyInstance<NetworkActivityMonitor>::Leaky g_network_activity_monitor =
  12     LAZY_INSTANCE_INITIALIZER;
  13
  14 }  // namespace
  15
  16 NetworkActivityMonitor::NetworkActivityMonitor()
  17     : bytes_received_(0), bytes_sent_(0) {
  18 }
  19
  20 NetworkActivityMonitor::~NetworkActivityMonitor() {
  21 }
  22
  23 // static
  24 NetworkActivityMonitor* NetworkActivityMonitor::GetInstance() {
  25   return g_network_activity_monitor.Pointer();
  26 }
  27
  28 void NetworkActivityMonitor::IncrementBytesReceived(uint64_t bytes_received) {
  29   base::TimeTicks now = base::TimeTicks::Now();
  30   base::AutoLock lock(lock_);
  31   bytes_received_ += bytes_received;
  32   last_received_ticks_ = now;
  33 }
  34
  35 void NetworkActivityMonitor::IncrementBytesSent(uint64_t bytes_sent) {
  36   base::TimeTicks now = base::TimeTicks::Now();
  37   base::AutoLock lock(lock_);
  38   bytes_sent_ += bytes_sent;
  39   last_sent_ticks_ = now;
  40 }
  41
  42 uint64_t NetworkActivityMonitor::GetBytesReceived() const {
  43   base::AutoLock lock(lock_);
  44   return bytes_received_;
  45 }
  46
  47 uint64_t NetworkActivityMonitor::GetBytesSent() const {
  48   base::AutoLock lock(lock_);
  49   return bytes_sent_;
  50 }
  51
  52 base::TimeDelta NetworkActivityMonitor::GetTimeSinceLastReceived() const {
  53   base::TimeTicks now = base::TimeTicks::Now();
  54   base::AutoLock lock(lock_);
  55   return now - last_received_ticks_;
  56 }
  57
  58 base::TimeDelta NetworkActivityMonitor::GetTimeSinceLastSent() const {
  59   base::TimeTicks now = base::TimeTicks::Now();
  60   base::AutoLock lock(lock_);
  61   return now - last_sent_ticks_;
  62 }
  63
  64 }  // namespace net