64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Use of this source code is governed by a BSD-style license
|
||
|
|
* that can be found in the LICENSE file in the root of the source
|
||
|
|
* tree. An additional intellectual property rights grant can be found
|
||
|
|
* in the file PATENTS. All contributing project authors may
|
||
|
|
* be found in the AUTHORS file in the root of the source tree.
|
||
|
|
*/
|
||
|
|
#ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_NTP_TIME_H_
|
||
|
|
#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_NTP_TIME_H_
|
||
|
|
|
||
|
|
#include "webrtc/base/basictypes.h"
|
||
|
|
#include "webrtc/system_wrappers/include/clock.h"
|
||
|
|
|
||
|
|
namespace webrtc {
|
||
|
|
|
||
|
|
class NtpTime {
|
||
|
|
public:
|
||
|
|
NtpTime() : seconds_(0), fractions_(0) {}
|
||
|
|
explicit NtpTime(const Clock& clock) {
|
||
|
|
clock.CurrentNtp(seconds_, fractions_);
|
||
|
|
}
|
||
|
|
NtpTime(uint32_t seconds, uint32_t fractions)
|
||
|
|
: seconds_(seconds), fractions_(fractions) {}
|
||
|
|
|
||
|
|
NtpTime(const NtpTime&) = default;
|
||
|
|
NtpTime& operator=(const NtpTime&) = default;
|
||
|
|
|
||
|
|
void SetCurrent(const Clock& clock) {
|
||
|
|
clock.CurrentNtp(seconds_, fractions_);
|
||
|
|
}
|
||
|
|
void Set(uint32_t seconds, uint32_t fractions) {
|
||
|
|
seconds_ = seconds;
|
||
|
|
fractions_ = fractions;
|
||
|
|
}
|
||
|
|
void Reset() {
|
||
|
|
seconds_ = 0;
|
||
|
|
fractions_ = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int64_t ToMs() const { return Clock::NtpToMs(seconds_, fractions_); }
|
||
|
|
|
||
|
|
// NTP standard (RFC1305, section 3.1) explicitly state value 0/0 is invalid.
|
||
|
|
bool Valid() const { return !(seconds_ == 0 && fractions_ == 0); }
|
||
|
|
|
||
|
|
uint32_t seconds() const { return seconds_; }
|
||
|
|
uint32_t fractions() const { return fractions_; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
uint32_t seconds_;
|
||
|
|
uint32_t fractions_;
|
||
|
|
};
|
||
|
|
|
||
|
|
inline bool operator==(const NtpTime& n1, const NtpTime& n2) {
|
||
|
|
return n1.seconds() == n2.seconds() && n1.fractions() == n2.fractions();
|
||
|
|
}
|
||
|
|
inline bool operator!=(const NtpTime& n1, const NtpTime& n2) {
|
||
|
|
return !(n1 == n2);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace webrtc
|
||
|
|
#endif // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_NTP_TIME_H_
|