timedata.cpp File Reference

#include <timedata.h>
#include <common/args.h>
#include <logging.h>
#include <netaddress.h>
#include <node/ui_interface.h>
#include <sync.h>
#include <util/translation.h>
#include <warnings.h>

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Macros
#define	BITCOIN_TIMEDATA_MAX_SAMPLES   200

Functions
static int64_t nTimeOffset	GUARDED_BY (g_timeoffset_mutex)=0
int64_t	GetTimeOffset ()
	"Never go to sea with two chronometers; take one or three." Our three time sources are:
NodeClock::time_point	GetAdjustedTime ()
void	AddTimeData (const CNetAddr &ip, int64_t nOffsetSample)
void	TestOnlyResetTimeData ()
	Reset the internal state of GetTimeOffset(), GetAdjustedTime() and AddTimeData().

Variables
static GlobalMutex	g_timeoffset_mutex
static std::set< CNetAddr >	g_sources
static CMedianFilter< int64_t >	g_time_offsets (BITCOIN_TIMEDATA_MAX_SAMPLES, 0)
static bool	g_warning_emitted

Macro Definition Documentation

BITCOIN_TIMEDATA_MAX_SAMPLES

#define BITCOIN_TIMEDATA_MAX_SAMPLES   200

Definition at line 39 of file timedata.cpp.

Function Documentation

AddTimeData()

void AddTimeData	(	const CNetAddr &	ip,
		int64_t	nOffsetSample
	)

Definition at line 45 of file timedata.cpp.

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GetAdjustedTime()

NodeClock::time_point GetAdjustedTime

(

)

Definition at line 35 of file timedata.cpp.

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GetTimeOffset()

int64_t GetTimeOffset

(

)

"Never go to sea with two chronometers; take one or three." Our three time sources are:

Functions to keep track of adjusted P2P time.

• System clock
• Median of other nodes clocks
• The user (asking the user to fix the system clock if the first two disagree)

Definition at line 30 of file timedata.cpp.

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GUARDED_BY()

static int64_t nTimeOffset GUARDED_BY ( g_timeoffset_mutex  )

staticpure virtual

TestOnlyResetTimeData()

void TestOnlyResetTimeData

(

)

Reset the internal state of GetTimeOffset(), GetAdjustedTime() and AddTimeData().

Definition at line 127 of file timedata.cpp.

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Variable Documentation

g_sources

std::set<CNetAddr> g_sources

static

Definition at line 41 of file timedata.cpp.

g_time_offsets

CMedianFilter< int64_t > g_time_offsets(BITCOIN_TIMEDATA_MAX_SAMPLES, 0) ( BITCOIN_TIMEDATA_MAX_SAMPLES  , 0    )

static

g_timeoffset_mutex

GlobalMutex g_timeoffset_mutex

static

Definition at line 19 of file timedata.cpp.

g_warning_emitted

bool g_warning_emitted

static

Definition at line 43 of file timedata.cpp.