Module org.pcap4j.core

Package org.pcap4j.packet

Class Dot11HtControl

java.lang.Object

org.pcap4j.packet.Dot11HtControl

All Implemented Interfaces:

java.io.Serializable

public final class Dot11HtControl
extends java.lang.Object
implements java.io.Serializable

HT Control field of an IEEE802.11 frame.

      0          1          2          3          4          5          6          7
 +----------+----------+----------+----------+----------+----------+----------+----------+
 |                                                                                       |
 |                                                                                       |
 +                              Link Adaptation Control                                  +
 |                                                                                       |
 |                                                                                       |
 +----------+----------+----------+----------+----------+----------+----------+----------+
 |    Calibration      |     Calibration     |      Reserved       |    CSI/Steering     |
 |    Position         |     Sequence        |                     |                     |
 +----------+----------+----------+----------+----------+----------+----------+----------+
 |NDP Annou-|                       Reserved                       |AC        |RDG/More  |
 |ncement   |                                                      |Constraint|PPDU      |
 +----------+----------+----------+----------+----------+----------+----------+----------+
 

Since:

pcap4j 1.7.0

See Also:

IEEE802.11, Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Dot11HtControl.Builder
static class	Dot11HtControl.CalibrationPosition	Calibration Position subfield of HT Control field of an IEEE802.11 frame.
static class	Dot11HtControl.CsiOrSteering	CSI/Steering subfield of HT Control field of an IEEE802.11 frame.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	acConstraint
private boolean	bit20
private boolean	bit21
private boolean	bit25
private boolean	bit26
private boolean	bit27
private boolean	bit28
private boolean	bit29
private Dot11HtControl.CalibrationPosition	calibrationPosition
private byte	calibrationSequence
private Dot11HtControl.CsiOrSteering	csiOrSteering
private Dot11LinkAdaptationControl	linkAdaptationControl
private boolean	ndpAnnouncement
private boolean	rdgOrMorePpdu
private static long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Dot11HtControl(byte[] rawData, int offset, int length)
private	Dot11HtControl(Dot11HtControl.Builder builder)

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object obj)
boolean	getAcConstraint()
boolean	getBit20()
boolean	getBit21()
boolean	getBit25()
boolean	getBit26()
boolean	getBit27()
boolean	getBit28()
boolean	getBit29()
Dot11HtControl.Builder	getBuilder()
Dot11HtControl.CalibrationPosition	getCalibrationPosition()
byte	getCalibrationSequence()
int	getCalibrationSequenceAsInt()
Dot11HtControl.CsiOrSteering	getCsiOrSteering()
Dot11LinkAdaptationControl	getLinkAdaptationControl()
boolean	getNdpAnnouncement()
byte[]	getRawData()
boolean	getRdgOrMorePpdu()
int	hashCode()
int	length()
static Dot11HtControl	newInstance(byte[] rawData, int offset, int length)	A static factory method.
java.lang.String	toString()
java.lang.String	toString(java.lang.String indent)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

linkAdaptationControl

private final Dot11LinkAdaptationControl linkAdaptationControl

calibrationPosition

private final Dot11HtControl.CalibrationPosition calibrationPosition

calibrationSequence

private final byte calibrationSequence

bit20

private final boolean bit20

bit21

private final boolean bit21

csiOrSteering

private final Dot11HtControl.CsiOrSteering csiOrSteering

ndpAnnouncement

private final boolean ndpAnnouncement

bit25

private final boolean bit25

bit26

private final boolean bit26

bit27

private final boolean bit27

bit28

private final boolean bit28

bit29

private final boolean bit29

acConstraint

private final boolean acConstraint

rdgOrMorePpdu

private final boolean rdgOrMorePpdu

Constructor Detail

Dot11HtControl

private Dot11HtControl(byte[] rawData,
                       int offset,
                       int length)
                throws IllegalRawDataException

Throws:

IllegalRawDataException

Dot11HtControl

private Dot11HtControl(Dot11HtControl.Builder builder)

Method Detail

newInstance

public static Dot11HtControl newInstance(byte[] rawData,
                                         int offset,
                                         int length)
                                  throws IllegalRawDataException

A static factory method. This method validates the arguments by ByteArrays.validateBounds(byte[], int, int), which may throw exceptions undocumented here.

Parameters:

rawData - rawData

offset - offset

length - length

Returns:

a new Dot11HtControl object.

Throws:

IllegalRawDataException - if parsing the raw data fails.

getLinkAdaptationControl

public Dot11LinkAdaptationControl getLinkAdaptationControl()

Returns:

linkAdaptationControl

getCalibrationPosition

public Dot11HtControl.CalibrationPosition getCalibrationPosition()

Returns:

calibrationPosition

getCalibrationSequence

public byte getCalibrationSequence()

Returns:

calibrationSequence

getCalibrationSequenceAsInt

public int getCalibrationSequenceAsInt()

Returns:

calibrationSequence

getBit20

public boolean getBit20()

Returns:

true if the bit 20 is set to 1; false otherwise.

getBit21

public boolean getBit21()

Returns:

true if the bit 21 is set to 1; false otherwise.

getCsiOrSteering

public Dot11HtControl.CsiOrSteering getCsiOrSteering()

Returns:

csiOrSteering

getNdpAnnouncement

public boolean getNdpAnnouncement()

Returns:

true if the NDP Announcement field is set to 1; false otherwise.

getBit25

public boolean getBit25()

Returns:

true if the bit 25 is set to 1; false otherwise.

getBit26

public boolean getBit26()

Returns:

true if the bit 26 is set to 1; false otherwise.

getBit27

public boolean getBit27()

Returns:

true if the bit 27 is set to 1; false otherwise.

getBit28

public boolean getBit28()

Returns:

true if the bit 28 is set to 1; false otherwise.

getBit29

public boolean getBit29()

Returns:

true if the bit 29 is set to 1; false otherwise.

getAcConstraint

public boolean getAcConstraint()

Returns:

true if the AC Constraint field is set to 1; false otherwise.

getRdgOrMorePpdu

public boolean getRdgOrMorePpdu()

Returns:

true if the RDG/More PPDU field is set to 1; false otherwise.

getBuilder

public Dot11HtControl.Builder getBuilder()

Returns:

a new Builder object populated with this object's fields.

getRawData

public byte[] getRawData()

Returns:

the raw data.

length

public int length()

Returns:

length

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toString

public java.lang.String toString(java.lang.String indent)

Parameters:

indent - indent

Returns:

String representation of this object.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object