Module org.jnetpcap

Package org.jnetpcap.constant

Enum Class PcapTStampPrecision

java.lang.Object

java.lang.Enum<PcapTStampPrecision>

org.jnetpcap.constant.PcapTStampPrecision

All Implemented Interfaces:

Serializable, Comparable<PcapTStampPrecision>, Constable, IntSupplier

public enum PcapTStampPrecision
extends Enum<PcapTStampPrecision>
implements IntSupplier

Time stamp resolution types. Not all systems and interfaces will necessarily support all of these resolutions when doing live captures; all of them can be requested when reading a savefile.

 
#define PCAP_TSTAMP_PRECISION_MICRO     0       // use timestamps with microsecond precision, default
#define PCAP_TSTAMP_PRECISION_NANO      1       // use timestamps with nanosecond precision
 
 

Author:

mark

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
TSTAMP_PRECISION_MICRO	use timestamps with microsecond precision, default.
TSTAMP_PRECISION_NANO	use timestamps with nanosecond precision.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	PCAP_TSTAMP_PRECISION_MICRO	use timestamps with microsecond precision, default.
static final int	PCAP_TSTAMP_PRECISION_NANO	use timestamps with nanosecond precision.

Method Summary

Modifier and Type	Method	Description
int	getAsInt()	Gets the as int.
long	toEpochMilli(long epochSeconds, long fractionOfSecond)	Converts second and fraction components, as read from pcap header, to milli seconds in epoch time suitable for use with java Date class.
long	toEpochSecond(long epochTime)	Computes number of seconds in epoch time by dropping the fractional part.
long	toEpochTime(long epochSeconds, long fractionOfSecond)	To epoch time with this precision from supplied second and fraction components, as read fro pcap header.
long	toFractionOfSecond(long epochTime)	Computes a fraction of a second from epoch time provided.
static PcapTStampPrecision	valueOf(int value)	Value of.
static PcapTStampPrecision	valueOf(String name)	Returns the enum constant of this class with the specified name.
static PcapTStampPrecision[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

TSTAMP_PRECISION_MICRO

public static final PcapTStampPrecision TSTAMP_PRECISION_MICRO

use timestamps with microsecond precision, default.

TSTAMP_PRECISION_NANO

public static final PcapTStampPrecision TSTAMP_PRECISION_NANO

use timestamps with nanosecond precision.

Field Details

PCAP_TSTAMP_PRECISION_MICRO

public static final int PCAP_TSTAMP_PRECISION_MICRO

use timestamps with microsecond precision, default.

See Also:

• Constant Field Values

PCAP_TSTAMP_PRECISION_NANO

public static final int PCAP_TSTAMP_PRECISION_NANO

use timestamps with nanosecond precision.

See Also:

• Constant Field Values

Method Details

values

public static PcapTStampPrecision[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static PcapTStampPrecision valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

valueOf

public static PcapTStampPrecision valueOf(int value)

Value of.

Parameters:

value - the value

Returns:

the pcap T stamp precision

getAsInt

public int getAsInt()

Gets the as int.

Specified by:

getAsInt in interface IntSupplier

Returns:

the as int

See Also:

• IntSupplier.getAsInt()

toEpochMilli

public long toEpochMilli(long epochSeconds,
 long fractionOfSecond)

Converts second and fraction components, as read from pcap header, to milli seconds in epoch time suitable for use with java Date class.

Parameters:

epochSeconds - the epoch seconds

fractionOfSecond - the fraction of second

Returns:

number of millis since start of epoch time

toEpochSecond

public long toEpochSecond(long epochTime)

Computes number of seconds in epoch time by dropping the fractional part.

Parameters:

epochTime - in this fractional precision, ie. nanos or micros since start of epoch Jan 1st, 1970 12:00am

Returns:

number of seconds in epoch time

toEpochTime

public long toEpochTime(long epochSeconds,
 long fractionOfSecond)

To epoch time with this precision from supplied second and fraction components, as read fro pcap header.

Parameters:

epochSeconds - the epoch seconds

fractionOfSecond - the fraction of second in this time unit

Returns:

number of fractional units, in this precision, since start of epoch, Jan 1st, 1970 12:00am

toFractionOfSecond

public long toFractionOfSecond(long epochTime)

Computes a fraction of a second from epoch time provided.

Parameters:

epochTime - the epoch time

Returns:

fraction of a second in this precision