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| 1 // Copyright (c) 2012 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/quic/quic_time.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 | |
| 9 namespace net { | |
| 10 | |
| 11 // Highest number of microseconds that DateTimeOffset can hold. | |
| 12 const int64 kQuicInfiniteTimeUs = GG_INT64_C(0x7fffffffffffffff) / 10; | |
| 13 | |
| 14 QuicTime::Delta::Delta(base::TimeDelta delta) | |
| 15 : delta_(delta) { | |
| 16 } | |
| 17 | |
| 18 // static | |
| 19 QuicTime::Delta QuicTime::Delta::Zero() { | |
| 20 return QuicTime::Delta::FromMicroseconds(0); | |
| 21 } | |
| 22 | |
| 23 // static | |
| 24 QuicTime::Delta QuicTime::Delta::Infinite() { | |
| 25 return QuicTime::Delta::FromMicroseconds(kQuicInfiniteTimeUs); | |
| 26 } | |
| 27 | |
| 28 // static | |
| 29 QuicTime::Delta QuicTime::Delta::FromSeconds(int64 seconds) { | |
| 30 return QuicTime::Delta(base::TimeDelta::FromSeconds(seconds)); | |
| 31 } | |
| 32 | |
| 33 // static | |
| 34 QuicTime::Delta QuicTime::Delta::FromMilliseconds(int64 ms) { | |
| 35 return QuicTime::Delta(base::TimeDelta::FromMilliseconds(ms)); | |
| 36 } | |
| 37 | |
| 38 // static | |
| 39 QuicTime::Delta QuicTime::Delta::FromMicroseconds(int64 us) { | |
| 40 return QuicTime::Delta(base::TimeDelta::FromMicroseconds(us)); | |
| 41 } | |
| 42 | |
| 43 int64 QuicTime::Delta::ToSeconds() const { | |
| 44 return delta_.InSeconds(); | |
| 45 } | |
| 46 | |
| 47 int64 QuicTime::Delta::ToMilliseconds() const { | |
| 48 return delta_.InMilliseconds(); | |
| 49 } | |
| 50 | |
| 51 int64 QuicTime::Delta::ToMicroseconds() const { | |
| 52 return delta_.InMicroseconds(); | |
| 53 } | |
| 54 | |
| 55 QuicTime::Delta QuicTime::Delta::Add(const Delta& delta) const { | |
| 56 return QuicTime::Delta::FromMicroseconds(ToMicroseconds() + | |
| 57 delta.ToMicroseconds()); | |
| 58 } | |
| 59 | |
| 60 QuicTime::Delta QuicTime::Delta::Subtract(const Delta& delta) const { | |
| 61 return QuicTime::Delta::FromMicroseconds(ToMicroseconds() - | |
| 62 delta.ToMicroseconds()); | |
| 63 } | |
| 64 | |
| 65 QuicTime::Delta QuicTime::Delta::Multiply(int i) const { | |
| 66 return QuicTime::Delta::FromMicroseconds(ToMicroseconds() * i); | |
| 67 } | |
| 68 | |
| 69 QuicTime::Delta QuicTime::Delta::Multiply(double d) const { | |
| 70 return QuicTime::Delta::FromMicroseconds( | |
| 71 static_cast<int64>(ToMicroseconds() * d)); | |
| 72 } | |
| 73 | |
| 74 // static | |
| 75 QuicTime::Delta QuicTime::Delta::Max(QuicTime::Delta delta1, | |
| 76 QuicTime::Delta delta2) { | |
| 77 return delta1 < delta2 ? delta2 : delta1; | |
| 78 } | |
| 79 | |
| 80 bool QuicTime::Delta::IsZero() const { | |
| 81 return delta_.InMicroseconds() == 0; | |
| 82 } | |
| 83 | |
| 84 bool QuicTime::Delta::IsInfinite() const { | |
| 85 return delta_.InMicroseconds() == kQuicInfiniteTimeUs; | |
| 86 } | |
| 87 | |
| 88 // static | |
| 89 QuicTime QuicTime::Zero() { | |
| 90 return QuicTime(base::TimeTicks()); | |
| 91 } | |
| 92 | |
| 93 // static | |
| 94 QuicTime QuicTime::Infinite() { | |
| 95 return QuicTime(base::TimeTicks::FromInternalValue(kQuicInfiniteTimeUs)); | |
| 96 } | |
| 97 | |
| 98 // static | |
| 99 QuicTime QuicTime::Max(QuicTime time1, QuicTime time2) { | |
| 100 return time1 > time2 ? time1 : time2; | |
| 101 } | |
| 102 | |
| 103 QuicTime::QuicTime(base::TimeTicks ticks) | |
| 104 : ticks_(ticks) { | |
| 105 } | |
| 106 | |
| 107 int64 QuicTime::ToDebuggingValue() const { | |
| 108 return (ticks_ - base::TimeTicks()).InMicroseconds(); | |
| 109 } | |
| 110 | |
| 111 bool QuicTime::IsInitialized() const { | |
| 112 return ticks_ != base::TimeTicks(); | |
| 113 } | |
| 114 | |
| 115 QuicTime QuicTime::Add(const Delta& delta) const { | |
| 116 return QuicTime(ticks_ + delta.delta_); | |
| 117 } | |
| 118 | |
| 119 QuicTime QuicTime::Subtract(const Delta& delta) const { | |
| 120 return QuicTime(ticks_ - delta.delta_); | |
| 121 } | |
| 122 | |
| 123 QuicTime::Delta QuicTime::Subtract(const QuicTime& other) const { | |
| 124 return QuicTime::Delta(ticks_ - other.ticks_); | |
| 125 } | |
| 126 | |
| 127 // static | |
| 128 QuicWallTime QuicWallTime::FromUNIXSeconds(uint64 seconds) { | |
| 129 return QuicWallTime(seconds); | |
| 130 } | |
| 131 | |
| 132 // static | |
| 133 QuicWallTime QuicWallTime::Zero() { | |
| 134 return QuicWallTime(0); | |
| 135 } | |
| 136 | |
| 137 uint64 QuicWallTime::ToUNIXSeconds() const { | |
| 138 return seconds_; | |
| 139 } | |
| 140 | |
| 141 bool QuicWallTime::IsAfter(QuicWallTime other) const { | |
| 142 return seconds_ > other.seconds_; | |
| 143 } | |
| 144 | |
| 145 bool QuicWallTime::IsBefore(QuicWallTime other) const { | |
| 146 return seconds_ < other.seconds_; | |
| 147 } | |
| 148 | |
| 149 bool QuicWallTime::IsZero() const { | |
| 150 return seconds_ == 0; | |
| 151 } | |
| 152 | |
| 153 QuicTime::Delta QuicWallTime::AbsoluteDifference(QuicWallTime other) const { | |
| 154 uint64 d; | |
| 155 | |
| 156 if (seconds_ > other.seconds_) { | |
| 157 d = seconds_ - other.seconds_; | |
| 158 } else { | |
| 159 d = other.seconds_ - seconds_; | |
| 160 } | |
| 161 | |
| 162 if (d > static_cast<uint64>(kint64max)) { | |
| 163 d = kint64max; | |
| 164 } | |
| 165 return QuicTime::Delta::FromSeconds(d); | |
| 166 } | |
| 167 | |
| 168 QuicWallTime QuicWallTime::Add(QuicTime::Delta delta) const { | |
| 169 uint64 seconds = seconds_ + delta.ToSeconds(); | |
| 170 if (seconds < seconds_) { | |
| 171 seconds = kuint64max; | |
| 172 } | |
| 173 return QuicWallTime(seconds); | |
| 174 } | |
| 175 | |
| 176 QuicWallTime QuicWallTime::Subtract(QuicTime::Delta delta) const { | |
| 177 uint64 seconds = seconds_ - delta.ToSeconds(); | |
| 178 if (seconds > seconds_) { | |
| 179 seconds = 0; | |
| 180 } | |
| 181 return QuicWallTime(seconds); | |
| 182 } | |
| 183 | |
| 184 QuicWallTime::QuicWallTime(uint64 seconds) | |
| 185 : seconds_(seconds) { | |
| 186 } | |
| 187 | |
| 188 } // namespace net | |
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