Class Dot11InterworkingElement

java.lang.Object

org.pcap4j.packet.Dot11InformationElement

org.pcap4j.packet.Dot11InterworkingElement

All Implemented Interfaces:

Serializable

public final class Dot11InterworkingElement
extends Dot11InformationElement

IEEE802.11 Interworking element

       1              1              1            0 or 2         0 or 6
+--------------+--------------+--------------+--------------+--------------+
|  Element ID  |   Length     |Access Network|  Venue Info  |    HESSID    |
|              |              |Options       |  (optional)  |  (optional)  |
+--------------+--------------+--------------+--------------+--------------+
Element ID: 107

Access Network Options field:
    B0       B1       B2       B3       B4       B5       B6       B7
+--------+--------+--------+--------+--------+--------+--------+--------+
|        Access Network Type        |Internet|  ASRA  |  ESR   |  UESA  |
+--------+--------+--------+--------+--------+--------+--------+--------+

The Interworking element contains information about the interworking service capabilities of a STA.

Since:

pcap4j 1.7.0

See Also:

• IEEE802.11
• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Dot11InterworkingElement.Builder

Field Summary

Fields

Modifier and Type	Field	Description
private final Dot11AccessNetworkType	accessnetworkType
private final boolean	asra
private final boolean	esr
private final byte[]	hessid
private final boolean	internet
private static final long	serialVersionUID
private final boolean	uesa
private final Dot11VenueInfo	venueInfo

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Dot11InterworkingElement(byte[] rawData, int offset, int length)
private	Dot11InterworkingElement(Dot11InterworkingElement.Builder builder)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Dot11AccessNetworkType	getAccessnetworkType()
Dot11InterworkingElement.Builder	getBuilder()
byte[]	getHessid()
byte[]	getRawData()
Dot11VenueInfo	getVenueInfo()
int	hashCode()
boolean	isAsra()
boolean	isEsr()
boolean	isInternetAccessible()
boolean	isUesa()
int	length()
static Dot11InterworkingElement	newInstance(byte[] rawData, int offset, int length)	A static factory method.
String	toString()
String	toString(String indent)

Methods inherited from class Dot11InformationElement

getElementId, getLength, getLengthAsInt

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

accessnetworkType

private final Dot11AccessNetworkType accessnetworkType

internet

private final boolean internet

asra

private final boolean asra

esr

private final boolean esr

uesa

private final boolean uesa

venueInfo

private final Dot11VenueInfo venueInfo

hessid

private final byte[] hessid

Constructor Details

Dot11InterworkingElement

private Dot11InterworkingElement(byte[] rawData,
 int offset,
 int length)
                          throws IllegalRawDataException

Parameters:

rawData - rawData

offset - offset

length - length

Throws:

IllegalRawDataException - if parsing the raw data fails.

Dot11InterworkingElement

private Dot11InterworkingElement(Dot11InterworkingElement.Builder builder)

Parameters:

builder - builder

Method Details

newInstance

public static Dot11InterworkingElement 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 Dot11InterworkingElement object.

Throws:

IllegalRawDataException - if parsing the raw data fails.

getAccessnetworkType

public Dot11AccessNetworkType getAccessnetworkType()

Returns:

accessnetworkType

isInternetAccessible

public boolean isInternetAccessible()

Returns:

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

isAsra

public boolean isAsra()

Returns:

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

isEsr

public boolean isEsr()

Returns:

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

isUesa

public boolean isUesa()

Returns:

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

getVenueInfo

public Dot11VenueInfo getVenueInfo()

Returns:

venueInfo. May be null.

getHessid

public byte[] getHessid()

Returns:

hessid. May be null.

length

public int length()

Specified by:

length in class Dot11InformationElement

Returns:

the length

getRawData

public byte[] getRawData()

Specified by:

getRawData in class Dot11InformationElement

Returns:

the raw data.

getBuilder

public Dot11InterworkingElement.Builder getBuilder()

Returns:

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

hashCode

public int hashCode()

Overrides:

hashCode in class Dot11InformationElement

equals

public boolean equals(Object obj)

Overrides:

equals in class Dot11InformationElement

toString

public String toString()

Overrides:

toString in class Object

toString

public String toString(String indent)

Parameters:

indent - indent

Returns:

the string representation of this object.