NTPServer::NtpTimeStamp Class Reference

#include <NTPServer.h>

Public Member Functions
bool	SetFrom (uint32_t tt, uint32_t From1588)
	NtpTimeStamp ()
NtpTimeStamp &	operator= (UDPPacket &upkt)
NtpTimeStamp &	operator= (const NtpTimeStamp &src)
bool	operator< (const NtpTimeStamp &other) const
bool	operator> (const NtpTimeStamp &other) const
bool	operator<= (const NtpTimeStamp &other) const
bool	operator>= (const NtpTimeStamp &other) const
bool	operator== (const NtpTimeStamp &other) const
bool	operator!= (const NtpTimeStamp &other) const

Static Public Member Functions
static NtpTimeStamp	Now ()

Public Attributes
beuint32_t	sec
	Seconds since NTP epoch (big endian)
beuint32_t	frac
	Fractional seconds (big endian)

Detailed Description

NtpTimeStamp struct - Represents an NTP timestamp

NTP timestamps are 64-bit values with 32-bit seconds and 32-bit fraction The epoch is January 1, 1900 00:00:00 UTC

Constructor & Destructor Documentation

NtpTimeStamp()

NTPServer::NtpTimeStamp::NtpTimeStamp ( )

inline

Default constructor - initializes to zero

Member Function Documentation

Now()

NTPServer::NtpTimeStamp NTPServer::NtpTimeStamp::Now ( )

static

Create timestamp for current time

Returns

NtpTimeStamp representing current time

operator!=()

bool NTPServer::NtpTimeStamp::operator!= ( const NtpTimeStamp & other ) const

inline

Inequality operator

Parameters

other

Timestamp to compare against

Returns

true if timestamps are not equal

operator<()

bool NTPServer::NtpTimeStamp::operator< ( const NtpTimeStamp & other ) const

inline

Less than operator

Parameters

other

Timestamp to compare against

Returns

true if this timestamp is earlier than other

operator<=()

bool NTPServer::NtpTimeStamp::operator<= ( const NtpTimeStamp & other ) const

inline

Less than or equal operator

Parameters

other

Timestamp to compare against

Returns

true if this timestamp is earlier than or equal to other

operator=() [1/2]

NTPServer::NtpTimeStamp & NTPServer::NtpTimeStamp::operator=

(

const NtpTimeStamp &

src

)

Copy assignment operator

Parameters

src	Source timestamp to copy

Returns

Reference to this timestamp

operator=() [2/2]

NTPServer::NtpTimeStamp & NTPServer::NtpTimeStamp::operator=

(

UDPPacket &

upkt

)

Extract timestamp from UDP packet Uses packet timing information to create precise timestamp

Parameters

upkt	Reference to UDP packet

Returns

Reference to this timestamp

operator==()

bool NTPServer::NtpTimeStamp::operator== ( const NtpTimeStamp & other ) const

inline

Equality operator

Parameters

other

Timestamp to compare against

Returns

true if timestamps are exactly equal

operator>()

bool NTPServer::NtpTimeStamp::operator> ( const NtpTimeStamp & other ) const

inline

Greater than operator

Parameters

other

Timestamp to compare against

Returns

true if this timestamp is later than other

operator>=()

bool NTPServer::NtpTimeStamp::operator>= ( const NtpTimeStamp & other ) const

inline

Greater than or equal operator

Parameters

other

Timestamp to compare against

Returns

true if this timestamp is later than or equal to other

SetFrom()

bool NTPServer::NtpTimeStamp::SetFrom	(	uint32_t	tt,
		uint32_t	From1588 )

Set timestamp from OS tick and 1588 timer values

Parameters

tt	OS tick count
From1588	1588 timer value

Returns

true if timestamp was set successfully, false if no valid GPS time

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The documentation for this class was generated from the following files:

• NTPServer.h
• NTPServer.cpp