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.
5 #include "net/quic/quic_time.h"
7 #include "base/logging.h"
11 // Highest number of microseconds that DateTimeOffset can hold.
12 const int64 kQuicInfiniteTimeUs = GG_INT64_C(0x7fffffffffffffff) / 10;
14 QuicTime::Delta::Delta(base::TimeDelta delta)
19 QuicTime::Delta QuicTime::Delta::Zero() {
20 return QuicTime::Delta::FromMicroseconds(0);
24 QuicTime::Delta QuicTime::Delta::Infinite() {
25 return QuicTime::Delta::FromMicroseconds(kQuicInfiniteTimeUs);
29 QuicTime::Delta QuicTime::Delta::FromSeconds(int64 seconds) {
30 return QuicTime::Delta(base::TimeDelta::FromSeconds(seconds));
34 QuicTime::Delta QuicTime::Delta::FromMilliseconds(int64 ms) {
35 return QuicTime::Delta(base::TimeDelta::FromMilliseconds(ms));
39 QuicTime::Delta QuicTime::Delta::FromMicroseconds(int64 us) {
40 return QuicTime::Delta(base::TimeDelta::FromMicroseconds(us));
43 int64 QuicTime::Delta::ToSeconds() const {
44 return delta_.InSeconds();
47 int64 QuicTime::Delta::ToMilliseconds() const {
48 return delta_.InMilliseconds();
51 int64 QuicTime::Delta::ToMicroseconds() const {
52 return delta_.InMicroseconds();
55 QuicTime::Delta QuicTime::Delta::Add(const Delta& delta) const {
56 return QuicTime::Delta::FromMicroseconds(ToMicroseconds() +
57 delta.ToMicroseconds());
60 QuicTime::Delta QuicTime::Delta::Subtract(const Delta& delta) const {
61 return QuicTime::Delta::FromMicroseconds(ToMicroseconds() -
62 delta.ToMicroseconds());
65 bool QuicTime::Delta::IsZero() const {
66 return delta_.InMicroseconds() == 0;
69 bool QuicTime::Delta::IsInfinite() const {
70 return delta_.InMicroseconds() == kQuicInfiniteTimeUs;
74 QuicTime QuicTime::Zero() {
75 return QuicTime(base::TimeTicks());
78 QuicTime::QuicTime(base::TimeTicks ticks)
82 int64 QuicTime::ToDebuggingValue() const {
83 return (ticks_ - base::TimeTicks()).InMicroseconds();
86 bool QuicTime::IsInitialized() const {
87 return ticks_ != base::TimeTicks();
90 QuicTime QuicTime::Add(const Delta& delta) const {
91 return QuicTime(ticks_ + delta.delta_);
94 QuicTime QuicTime::Subtract(const Delta& delta) const {
95 return QuicTime(ticks_ - delta.delta_);
98 QuicTime::Delta QuicTime::Subtract(const QuicTime& other) const {
99 return QuicTime::Delta(ticks_ - other.ticks_);
103 QuicWallTime QuicWallTime::FromUNIXSeconds(uint64 seconds) {
104 return QuicWallTime(seconds);
108 QuicWallTime QuicWallTime::Zero() {
109 return QuicWallTime(0);
112 uint64 QuicWallTime::ToUNIXSeconds() const {
116 bool QuicWallTime::IsAfter(QuicWallTime other) const {
117 return seconds_ > other.seconds_;
120 bool QuicWallTime::IsBefore(QuicWallTime other) const {
121 return seconds_ < other.seconds_;
124 bool QuicWallTime::IsZero() const {
125 return seconds_ == 0;
128 QuicTime::Delta QuicWallTime::AbsoluteDifference(QuicWallTime other) const {
131 if (seconds_ > other.seconds_) {
132 d = seconds_ - other.seconds_;
134 d = other.seconds_ - seconds_;
137 if (d > static_cast<uint64>(kint64max)) {
140 return QuicTime::Delta::FromSeconds(d);
143 QuicWallTime QuicWallTime::Add(QuicTime::Delta delta) const {
144 uint64 seconds = seconds_ + delta.ToSeconds();
145 if (seconds < seconds_) {
146 seconds = kuint64max;
148 return QuicWallTime(seconds);
151 QuicWallTime QuicWallTime::Subtract(QuicTime::Delta delta) const {
152 uint64 seconds = seconds_ - delta.ToSeconds();
153 if (seconds > seconds_) {
156 return QuicWallTime(seconds);
159 QuicWallTime::QuicWallTime(uint64 seconds)
160 : seconds_(seconds) {