net/base/network_quality.cc

   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 #include "net/base/network_quality.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace net {
  10
  11 const int32_t NetworkQuality::kInvalidThroughput = 0;
  12
  13 NetworkQuality::NetworkQuality()
  14     : NetworkQuality(InvalidRTT(), kInvalidThroughput) {
  15 }
  16
  17 NetworkQuality::NetworkQuality(const base::TimeDelta& rtt,
  18                                int32_t downstream_throughput_kbps)
  19     : rtt_(rtt), downstream_throughput_kbps_(downstream_throughput_kbps) {
  20   DCHECK_GE(rtt_, base::TimeDelta());
  21   DCHECK_GE(downstream_throughput_kbps_, 0);
  22 }
  23
  24 NetworkQuality::NetworkQuality(const NetworkQuality& other)
  25     : NetworkQuality(other.rtt_, other.downstream_throughput_kbps_) {
  26 }
  27
  28 NetworkQuality::~NetworkQuality() {
  29 }
  30
  31 NetworkQuality& NetworkQuality::operator=(const NetworkQuality& other) {
  32   rtt_ = other.rtt_;
  33   downstream_throughput_kbps_ = other.downstream_throughput_kbps_;
  34   return *this;
  35 }
  36
  37 // static
  38 const base::TimeDelta NetworkQuality::InvalidRTT() {
  39   return base::TimeDelta::Max();
  40 }
  41
  42 }  // namespace net