Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(683)

Side by Side Diff: net/quic/quic_time.h

Issue 1498003003: Remove kint64max. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: INT64_MAX Created 5 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « net/disk_cache/simple/simple_entry_impl.cc ('k') | net/quic/quic_time.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 // 4 //
5 // QuicTime represents one point in time, stored in microsecond resolution. 5 // QuicTime represents one point in time, stored in microsecond resolution.
6 // QuicTime is monotonically increasing, even across system clock adjustments. 6 // QuicTime is monotonically increasing, even across system clock adjustments.
7 // The epoch (time 0) of QuicTime is unspecified. 7 // The epoch (time 0) of QuicTime is unspecified.
8 // 8 //
9 // This implementation wraps the classes base::TimeTicks and base::TimeDelta. 9 // This implementation wraps the classes base::TimeTicks and base::TimeDelta.
10 10
11 #ifndef NET_QUIC_QUIC_TIME_H_ 11 #ifndef NET_QUIC_QUIC_TIME_H_
12 #define NET_QUIC_QUIC_TIME_H_ 12 #define NET_QUIC_QUIC_TIME_H_
13 13
14 #include "base/basictypes.h" 14 #include <stdint.h>
15
15 #include "base/compiler_specific.h" 16 #include "base/compiler_specific.h"
16 #include "base/time/time.h" 17 #include "base/time/time.h"
17 #include "net/base/net_export.h" 18 #include "net/base/net_export.h"
18 19
19 #define QUICTIME_CONSTEXPR inline 20 #define QUICTIME_CONSTEXPR inline
20 21
21 namespace net { 22 namespace net {
22 23
23 static const int kNumSecondsPerMinute = 60; 24 static const int kNumSecondsPerMinute = 60;
24 static const int kNumSecondsPerHour = kNumSecondsPerMinute * 60; 25 static const int kNumSecondsPerHour = kNumSecondsPerMinute * 60;
25 static const uint64 kNumMicrosPerSecond = base::Time::kMicrosecondsPerSecond; 26 static const uint64_t kNumMicrosPerSecond = base::Time::kMicrosecondsPerSecond;
26 static const uint64 kNumMicrosPerMilli = 27 static const uint64_t kNumMicrosPerMilli =
27 base::Time::kMicrosecondsPerMillisecond; 28 base::Time::kMicrosecondsPerMillisecond;
28 29
29 // A QuicTime is a purely relative time. QuicTime values from different clocks 30 // A QuicTime is a purely relative time. QuicTime values from different clocks
30 // cannot be compared to each other. If you need an absolute time, see 31 // cannot be compared to each other. If you need an absolute time, see
31 // QuicWallTime, below. 32 // QuicWallTime, below.
32 class NET_EXPORT_PRIVATE QuicTime { 33 class NET_EXPORT_PRIVATE QuicTime {
33 public: 34 public:
34 // A QuicTime::Delta represents the signed difference between two points in 35 // A QuicTime::Delta represents the signed difference between two points in
35 // time, stored in microsecond resolution. 36 // time, stored in microsecond resolution.
36 class NET_EXPORT_PRIVATE Delta { 37 class NET_EXPORT_PRIVATE Delta {
37 public: 38 public:
38 explicit Delta(base::TimeDelta delta); 39 explicit Delta(base::TimeDelta delta);
39 40
40 // Create a object with an offset of 0. 41 // Create a object with an offset of 0.
41 static QUICTIME_CONSTEXPR Delta Zero() { return Delta(0); } 42 static QUICTIME_CONSTEXPR Delta Zero() { return Delta(0); }
42 43
43 // Create a object with infinite offset time. 44 // Create a object with infinite offset time.
44 static QUICTIME_CONSTEXPR Delta Infinite() { 45 static QUICTIME_CONSTEXPR Delta Infinite() {
45 return Delta(kQuicInfiniteTimeUs); 46 return Delta(kQuicInfiniteTimeUs);
46 } 47 }
47 48
48 // Converts a number of seconds to a time offset. 49 // Converts a number of seconds to a time offset.
49 static QUICTIME_CONSTEXPR Delta FromSeconds(int64 secs) { 50 static QUICTIME_CONSTEXPR Delta FromSeconds(int64_t secs) {
50 return Delta(secs * 1000 * 1000); 51 return Delta(secs * 1000 * 1000);
51 } 52 }
52 53
53 // Converts a number of milliseconds to a time offset. 54 // Converts a number of milliseconds to a time offset.
54 static QUICTIME_CONSTEXPR Delta FromMilliseconds(int64 ms) { 55 static QUICTIME_CONSTEXPR Delta FromMilliseconds(int64_t ms) {
55 return Delta(ms * 1000); 56 return Delta(ms * 1000);
56 } 57 }
57 58
58 // Converts a number of microseconds to a time offset. 59 // Converts a number of microseconds to a time offset.
59 static QUICTIME_CONSTEXPR Delta FromMicroseconds(int64 us) { 60 static QUICTIME_CONSTEXPR Delta FromMicroseconds(int64_t us) {
60 return Delta(us); 61 return Delta(us);
61 } 62 }
62 63
63 // Converts the time offset to a rounded number of seconds. 64 // Converts the time offset to a rounded number of seconds.
64 inline int64 ToSeconds() const { return time_offset_ / 1000 / 1000; } 65 inline int64_t ToSeconds() const { return time_offset_ / 1000 / 1000; }
65 66
66 // Converts the time offset to a rounded number of milliseconds. 67 // Converts the time offset to a rounded number of milliseconds.
67 inline int64 ToMilliseconds() const { return time_offset_ / 1000; } 68 inline int64_t ToMilliseconds() const { return time_offset_ / 1000; }
68 69
69 // Converts the time offset to a rounded number of microseconds. 70 // Converts the time offset to a rounded number of microseconds.
70 inline int64 ToMicroseconds() const { return time_offset_; } 71 inline int64_t ToMicroseconds() const { return time_offset_; }
71 72
72 inline Delta Add(Delta delta) const WARN_UNUSED_RESULT { 73 inline Delta Add(Delta delta) const WARN_UNUSED_RESULT {
73 return Delta(time_offset_ + delta.time_offset_); 74 return Delta(time_offset_ + delta.time_offset_);
74 } 75 }
75 76
76 inline Delta Subtract(Delta delta) const WARN_UNUSED_RESULT { 77 inline Delta Subtract(Delta delta) const WARN_UNUSED_RESULT {
77 return Delta(time_offset_ - delta.time_offset_); 78 return Delta(time_offset_ - delta.time_offset_);
78 } 79 }
79 80
80 inline Delta Multiply(int i) const WARN_UNUSED_RESULT { 81 inline Delta Multiply(int i) const WARN_UNUSED_RESULT {
(...skipping 19 matching lines...) Expand all
100 inline bool IsInfinite() const { 101 inline bool IsInfinite() const {
101 return time_offset_ == kQuicInfiniteTimeUs; 102 return time_offset_ == kQuicInfiniteTimeUs;
102 } 103 }
103 104
104 private: 105 private:
105 base::TimeDelta delta_; 106 base::TimeDelta delta_;
106 friend inline bool operator==(QuicTime::Delta lhs, QuicTime::Delta rhs); 107 friend inline bool operator==(QuicTime::Delta lhs, QuicTime::Delta rhs);
107 friend inline bool operator<(QuicTime::Delta lhs, QuicTime::Delta rhs); 108 friend inline bool operator<(QuicTime::Delta lhs, QuicTime::Delta rhs);
108 109
109 // Highest number of microseconds that DateTimeOffset can hold. 110 // Highest number of microseconds that DateTimeOffset can hold.
110 static const int64 kQuicInfiniteTimeUs = INT64_C(0x7fffffffffffffff) / 10; 111 static const int64_t kQuicInfiniteTimeUs = INT64_C(0x7fffffffffffffff) / 10;
111 112
112 explicit QUICTIME_CONSTEXPR Delta(int64 time_offset) 113 explicit QUICTIME_CONSTEXPR Delta(int64_t time_offset)
113 : time_offset_(time_offset) {} 114 : time_offset_(time_offset) {}
114 115
115 int64 time_offset_; 116 int64_t time_offset_;
116 friend class QuicTime; 117 friend class QuicTime;
117 friend class QuicClock; 118 friend class QuicClock;
118 }; 119 };
119 120
120 explicit QuicTime(base::TimeTicks ticks) : time_(ticks.ToInternalValue()) {} 121 explicit QuicTime(base::TimeTicks ticks) : time_(ticks.ToInternalValue()) {}
121 122
122 // Creates a new QuicTime with an internal value of 0. IsInitialized() 123 // Creates a new QuicTime with an internal value of 0. IsInitialized()
123 // will return false for these times. 124 // will return false for these times.
124 static QUICTIME_CONSTEXPR QuicTime Zero() { return QuicTime(0); } 125 static QUICTIME_CONSTEXPR QuicTime Zero() { return QuicTime(0); }
125 126
126 // Creates a new QuicTime with an infinite time. 127 // Creates a new QuicTime with an infinite time.
127 static QUICTIME_CONSTEXPR QuicTime Infinite() { 128 static QUICTIME_CONSTEXPR QuicTime Infinite() {
128 return QuicTime(Delta::kQuicInfiniteTimeUs); 129 return QuicTime(Delta::kQuicInfiniteTimeUs);
129 } 130 }
130 131
131 // Returns the later time of time1 and time2. 132 // Returns the later time of time1 and time2.
132 static inline QuicTime Max(QuicTime time1, QuicTime time2) { 133 static inline QuicTime Max(QuicTime time1, QuicTime time2) {
133 return time1 < time2 ? time2 : time1; 134 return time1 < time2 ? time2 : time1;
134 } 135 }
135 136
136 // Produce the internal value to be used when logging. This value 137 // Produce the internal value to be used when logging. This value
137 // represents the number of microseconds since some epoch. It may 138 // represents the number of microseconds since some epoch. It may
138 // be the UNIX epoch on some platforms. On others, it may 139 // be the UNIX epoch on some platforms. On others, it may
139 // be a CPU ticks based value. 140 // be a CPU ticks based value.
140 inline int64 ToDebuggingValue() const { return time_; } 141 inline int64_t ToDebuggingValue() const { return time_; }
141 142
142 inline bool IsInitialized() const { return 0 != time_; } 143 inline bool IsInitialized() const { return 0 != time_; }
143 144
144 inline QuicTime Add(Delta delta) const WARN_UNUSED_RESULT { 145 inline QuicTime Add(Delta delta) const WARN_UNUSED_RESULT {
145 return QuicTime(time_ + delta.time_offset_); 146 return QuicTime(time_ + delta.time_offset_);
146 } 147 }
147 148
148 inline QuicTime Subtract(Delta delta) const WARN_UNUSED_RESULT { 149 inline QuicTime Subtract(Delta delta) const WARN_UNUSED_RESULT {
149 return QuicTime(time_ - delta.time_offset_); 150 return QuicTime(time_ - delta.time_offset_);
150 } 151 }
151 152
152 inline Delta Subtract(QuicTime other) const WARN_UNUSED_RESULT { 153 inline Delta Subtract(QuicTime other) const WARN_UNUSED_RESULT {
153 return Delta(time_ - other.time_); 154 return Delta(time_ - other.time_);
154 } 155 }
155 156
156 private: 157 private:
157 friend inline bool operator==(QuicTime lhs, QuicTime rhs); 158 friend inline bool operator==(QuicTime lhs, QuicTime rhs);
158 friend inline bool operator<(QuicTime lhs, QuicTime rhs); 159 friend inline bool operator<(QuicTime lhs, QuicTime rhs);
159 friend class QuicClock; 160 friend class QuicClock;
160 friend class QuicClockTest; 161 friend class QuicClockTest;
161 162
162 explicit QUICTIME_CONSTEXPR QuicTime(int64 time) : time_(time) {} 163 explicit QUICTIME_CONSTEXPR QuicTime(int64_t time) : time_(time) {}
163 164
164 int64 time_; 165 int64_t time_;
165 }; 166 };
166 167
167 // A QuicWallTime represents an absolute time that is globally consistent. In 168 // A QuicWallTime represents an absolute time that is globally consistent. In
168 // practice, clock-skew means that comparing values from different machines 169 // practice, clock-skew means that comparing values from different machines
169 // requires some flexibility in interpretation. 170 // requires some flexibility in interpretation.
170 class NET_EXPORT_PRIVATE QuicWallTime { 171 class NET_EXPORT_PRIVATE QuicWallTime {
171 public: 172 public:
172 // FromUNIXSeconds constructs a QuicWallTime from a count of the seconds 173 // FromUNIXSeconds constructs a QuicWallTime from a count of the seconds
173 // since the UNIX epoch. 174 // since the UNIX epoch.
174 static QUICTIME_CONSTEXPR QuicWallTime FromUNIXSeconds(uint64 seconds) { 175 static QUICTIME_CONSTEXPR QuicWallTime FromUNIXSeconds(uint64_t seconds) {
175 return QuicWallTime(seconds * 1000000); 176 return QuicWallTime(seconds * 1000000);
176 } 177 }
177 178
178 static QUICTIME_CONSTEXPR QuicWallTime 179 static QUICTIME_CONSTEXPR QuicWallTime
179 FromUNIXMicroseconds(uint64 microseconds) { 180 FromUNIXMicroseconds(uint64_t microseconds) {
180 return QuicWallTime(microseconds); 181 return QuicWallTime(microseconds);
181 } 182 }
182 183
183 // Zero returns a QuicWallTime set to zero. IsZero will return true for this 184 // Zero returns a QuicWallTime set to zero. IsZero will return true for this
184 // value. 185 // value.
185 static QUICTIME_CONSTEXPR QuicWallTime Zero() { return QuicWallTime(0); } 186 static QUICTIME_CONSTEXPR QuicWallTime Zero() { return QuicWallTime(0); }
186 187
187 // Returns the number of seconds since the UNIX epoch. 188 // Returns the number of seconds since the UNIX epoch.
188 uint64 ToUNIXSeconds() const; 189 uint64_t ToUNIXSeconds() const;
189 // Returns the number of microseconds since the UNIX epoch. 190 // Returns the number of microseconds since the UNIX epoch.
190 uint64 ToUNIXMicroseconds() const; 191 uint64_t ToUNIXMicroseconds() const;
191 192
192 bool IsAfter(QuicWallTime other) const; 193 bool IsAfter(QuicWallTime other) const;
193 bool IsBefore(QuicWallTime other) const; 194 bool IsBefore(QuicWallTime other) const;
194 195
195 // IsZero returns true if this object is the result of calling |Zero|. 196 // IsZero returns true if this object is the result of calling |Zero|.
196 bool IsZero() const; 197 bool IsZero() const;
197 198
198 // AbsoluteDifference returns the absolute value of the time difference 199 // AbsoluteDifference returns the absolute value of the time difference
199 // between |this| and |other|. 200 // between |this| and |other|.
200 QuicTime::Delta AbsoluteDifference(QuicWallTime other) const; 201 QuicTime::Delta AbsoluteDifference(QuicWallTime other) const;
201 202
202 // Add returns a new QuicWallTime that represents the time of |this| plus 203 // Add returns a new QuicWallTime that represents the time of |this| plus
203 // |delta|. 204 // |delta|.
204 QuicWallTime Add(QuicTime::Delta delta) const WARN_UNUSED_RESULT; 205 QuicWallTime Add(QuicTime::Delta delta) const WARN_UNUSED_RESULT;
205 206
206 // Subtract returns a new QuicWallTime that represents the time of |this| 207 // Subtract returns a new QuicWallTime that represents the time of |this|
207 // minus |delta|. 208 // minus |delta|.
208 QuicWallTime Subtract(QuicTime::Delta delta) const WARN_UNUSED_RESULT; 209 QuicWallTime Subtract(QuicTime::Delta delta) const WARN_UNUSED_RESULT;
209 210
210 private: 211 private:
211 explicit QUICTIME_CONSTEXPR QuicWallTime(uint64 microseconds) 212 explicit QUICTIME_CONSTEXPR QuicWallTime(uint64_t microseconds)
212 : microseconds_(microseconds) {} 213 : microseconds_(microseconds) {}
213 214
214 uint64 microseconds_; 215 uint64_t microseconds_;
215 }; 216 };
216 217
217 // Non-member relational operators for QuicTime::Delta. 218 // Non-member relational operators for QuicTime::Delta.
218 inline bool operator==(QuicTime::Delta lhs, QuicTime::Delta rhs) { 219 inline bool operator==(QuicTime::Delta lhs, QuicTime::Delta rhs) {
219 return lhs.time_offset_ == rhs.time_offset_; 220 return lhs.time_offset_ == rhs.time_offset_;
220 } 221 }
221 inline bool operator!=(QuicTime::Delta lhs, QuicTime::Delta rhs) { 222 inline bool operator!=(QuicTime::Delta lhs, QuicTime::Delta rhs) {
222 return !(lhs == rhs); 223 return !(lhs == rhs);
223 } 224 }
224 inline bool operator<(QuicTime::Delta lhs, QuicTime::Delta rhs) { 225 inline bool operator<(QuicTime::Delta lhs, QuicTime::Delta rhs) {
(...skipping 24 matching lines...) Expand all
249 inline bool operator<=(QuicTime lhs, QuicTime rhs) { 250 inline bool operator<=(QuicTime lhs, QuicTime rhs) {
250 return !(rhs < lhs); 251 return !(rhs < lhs);
251 } 252 }
252 inline bool operator>=(QuicTime lhs, QuicTime rhs) { 253 inline bool operator>=(QuicTime lhs, QuicTime rhs) {
253 return !(lhs < rhs); 254 return !(lhs < rhs);
254 } 255 }
255 256
256 } // namespace net 257 } // namespace net
257 258
258 #endif // NET_QUIC_QUIC_TIME_H_ 259 #endif // NET_QUIC_QUIC_TIME_H_
OLDNEW
« no previous file with comments | « net/disk_cache/simple/simple_entry_impl.cc ('k') | net/quic/quic_time.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698