java.lang.Object
- org.pcap4j.packet.AbstractPacket.AbstractHeader
- - org.pcap4j.packet.RadiotapPacket.RadiotapHeader

All Implemented Interfaces:: java.io.Serializable, Packet.Header

Enclosing class:: RadiotapPacket

public static final class RadiotapPacket.RadiotapHeader
extends AbstractPacket.AbstractHeader

Radiotap Header + Extended presence masks + Radiotap fields

 struct ieee80211_radiotap_header {
         u_int8_t        it_version; // currently, this is always 0
         u_int8_t        it_pad;     // currently unused, just for for the alignment
         u_int16_t       it_len;     // entire length
         u_int32_t       it_present; // presence mask
 } __attribute__((__packed__));

Since:: pcap4j 1.6.5
See Also:: Radiotap, Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`private java.util.List<RadiotapPacket.RadiotapData>`	`dataFields`
`private short`	`length`
`private static int`	`LENGTH_OFFSET`
`private static int`	`LENGTH_SIZE`
`private static int`	`MIN_RADIOTAP_HEADER_SIZE`
`private byte`	`pad`
`private static int`	`PAD_OFFSET`
`private static int`	`PAD_SIZE`
`private static int`	`PRESENT_OFFSET`
`private static int`	`PRESENT_SIZE`
`private java.util.List<RadiotapPresentBitmask>`	`presentBitmasks`
`private static long`	`serialVersionUID`
`private byte`	`version`
`private static int`	`VERSION_OFFSET`
`private static int`	`VERSION_SIZE`

Constructor Summary

Constructors
Modifier	Constructor	Description
`private`	`RadiotapHeader(byte[] rawData, int offset, int length)`
`private`	`RadiotapHeader(RadiotapPacket.Builder builder)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.String`	`buildString()`	This method builds the value `toString()` will return.
`protected int`	`calcHashCode()`	This method builds the value `hashCode()` will return using the byte array `getRawData()` returns.
`int`	`calcLength()`	This method calculates the value `length()` will return by adding up the lengths of byte arrays in the list `getRawFields()` returns.
`boolean`	`equals(java.lang.Object obj)`	Indicates whether some other object is "equal to" this one using return values of `getRawData()`.
`java.util.ArrayList<RadiotapPacket.RadiotapData>`	`getDataFields()`
`short`	`getLength()`
`int`	`getLengthAsInt()`
`byte`	`getPad()`
`java.util.ArrayList<RadiotapPresentBitmask>`	`getPresentBitmasks()`
`protected java.util.List<byte[]>`	`getRawFields()`	Returns a list of byte arrays which represents this header's fields.
`byte`	`getVersion()`
`int`	`getVersionAsInt()`

Methods inherited from class org.pcap4j.packet.AbstractPacket.AbstractHeader
buildHexString, buildRawData, getRawData, hashCode, length, toHexString, toString

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
  - VERSION_OFFSET
```
private static final int VERSION_OFFSET
```
    See Also:
    
    Constant Field Values
  - VERSION_SIZE
```
private static final int VERSION_SIZE
```
    See Also:
    
    Constant Field Values
  - PAD_OFFSET
```
private static final int PAD_OFFSET
```
    See Also:
    
    Constant Field Values
  - PAD_SIZE
```
private static final int PAD_SIZE
```
    See Also:
    
    Constant Field Values
  - LENGTH_OFFSET
```
private static final int LENGTH_OFFSET
```
    See Also:
    
    Constant Field Values
  - LENGTH_SIZE
```
private static final int LENGTH_SIZE
```
    See Also:
    
    Constant Field Values
  - PRESENT_OFFSET
```
private static final int PRESENT_OFFSET
```
    See Also:
    
    Constant Field Values
  - PRESENT_SIZE
```
private static final int PRESENT_SIZE
```
    See Also:
    
    Constant Field Values
  - MIN_RADIOTAP_HEADER_SIZE
```
private static final int MIN_RADIOTAP_HEADER_SIZE
```
    See Also:
    
    Constant Field Values
  - version
```
private final byte version
```
  - pad
```
private final byte pad
```
  - length
```
private final short length
```
  - presentBitmasks
```
private final java.util.List<RadiotapPresentBitmask> presentBitmasks
```
  - dataFields
```
private final java.util.List<RadiotapPacket.RadiotapData> dataFields
```
- Constructor Detail
  - RadiotapHeader
```
private RadiotapHeader(byte[] rawData,
                       int offset,
                       int length)
                throws IllegalRawDataException
```
    Throws:
    
    IllegalRawDataException
  - RadiotapHeader
```
private RadiotapHeader(RadiotapPacket.Builder builder)
```
- Method Detail
  - getVersion
```
public byte getVersion()
```
    Returns:
    
    version
  - getVersionAsInt
```
public int getVersionAsInt()
```
    Returns:
    
    version
  - getPad
```
public byte getPad()
```
    Returns:
    
    pad
  - getLength
```
public short getLength()
```
    Returns:
    
    length
  - getLengthAsInt
```
public int getLengthAsInt()
```
    Returns:
    
    length
  - getPresentBitmasks
```
public java.util.ArrayList<RadiotapPresentBitmask> getPresentBitmasks()
```
    Returns:
    
    presentBitmasks
  - getDataFields
```
public java.util.ArrayList<RadiotapPacket.RadiotapData> getDataFields()
```
    Returns:
    
    dataFields
  - getRawFields
```
protected java.util.List<byte[]> getRawFields()
```
    Description copied from class: AbstractPacket.AbstractHeader
    
    Returns a list of byte arrays which represents this header's fields. This method is called by calcLength() and buildRawData().
    
    Specified by:
    
    getRawFields in class AbstractPacket.AbstractHeader
    
    Returns:
    
    a list of byte arrays which represents this header's fields
  - calcLength
```
public int calcLength()
```
    Description copied from class: AbstractPacket.AbstractHeader
    
    This method calculates the value length() will return by adding up the lengths of byte arrays in the list getRawFields() returns.
    
    Overrides:
    
    calcLength in class AbstractPacket.AbstractHeader
    
    Returns:
    
    a calculated length
  - buildString
```
protected java.lang.String buildString()
```
    Description copied from class: AbstractPacket.AbstractHeader
    
    This method builds the value toString() will return.
    
    Overrides:
    
    buildString in class AbstractPacket.AbstractHeader
    
    Returns:
    
    a string representation of this object
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Description copied from class: AbstractPacket.AbstractHeader
    
    Indicates whether some other object is "equal to" this one using return values of getRawData(). This method should be overridden so that it does more strict comparisons more efficiently.
    
    Overrides:
    
    equals in class AbstractPacket.AbstractHeader
  - calcHashCode
```
protected int calcHashCode()
```
    Description copied from class: AbstractPacket.AbstractHeader
    
    This method builds the value hashCode() will return using the byte array getRawData() returns. This method may be better to be overridden for performance reason.
    
    Overrides:
    
    calcHashCode in class AbstractPacket.AbstractHeader
    
    Returns:
    
    a calculated hash code value for the object

Class RadiotapPacket.RadiotapHeader

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.pcap4j.packet.AbstractPacket.AbstractHeader

Methods inherited from class java.lang.Object

Field Detail

serialVersionUID

VERSION_OFFSET

VERSION_SIZE

PAD_OFFSET

PAD_SIZE

LENGTH_OFFSET

LENGTH_SIZE

PRESENT_OFFSET

PRESENT_SIZE

MIN_RADIOTAP_HEADER_SIZE

version

pad

length

presentBitmasks

dataFields

Constructor Detail

RadiotapHeader

RadiotapHeader

Method Detail

getVersion

getVersionAsInt

getPad

getLength

getLengthAsInt

getPresentBitmasks

getDataFields

getRawFields

calcLength

buildString

equals

calcHashCode