Module org.pcap4j.core

Package org.pcap4j.packet

Class IcmpV4ParameterProblemPacket.IcmpV4ParameterProblemHeader

java.lang.Object

org.pcap4j.packet.AbstractPacket.AbstractHeader

org.pcap4j.packet.IcmpV4ParameterProblemPacket.IcmpV4ParameterProblemHeader

All Implemented Interfaces:

Serializable, Packet.Header

Enclosing class:

IcmpV4ParameterProblemPacket

public static final class IcmpV4ParameterProblemPacket.IcmpV4ParameterProblemHeader
extends AbstractPacket.AbstractHeader

Since:

pcap4j 0.9.11

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	ICMPV4_PARAMETER_PROBLEM_HEADER_SIZE
private final byte	pointer
private static final int	POINTER_AND_UNUSED_OFFSET
private static final int	POINTER_AND_UNUSED_SIZE
private static final long	serialVersionUID
private final int	unused

Constructor Summary

Constructors

Modifier	Constructor	Description
private	IcmpV4ParameterProblemHeader(byte[] rawData, int offset, int length)
private	IcmpV4ParameterProblemHeader(IcmpV4ParameterProblemPacket.Builder builder)

Method Summary

Modifier and Type	Method	Description
protected 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.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one using return values of getRawData().
byte	getPointer()
int	getPointerAsInt()
protected List<byte[]>	getRawFields()	Returns a list of byte arrays which represents this header's fields.
int	getUnused()
int	length()	Returns the header length in bytes.

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

buildHexString, buildRawData, calcLength, getRawData, hashCode, toHexString, toString

Methods inherited from class java.lang.Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

POINTER_AND_UNUSED_OFFSET

private static final int POINTER_AND_UNUSED_OFFSET

See Also:

• Constant Field Values

POINTER_AND_UNUSED_SIZE

private static final int POINTER_AND_UNUSED_SIZE

See Also:

• Constant Field Values

ICMPV4_PARAMETER_PROBLEM_HEADER_SIZE

private static final int ICMPV4_PARAMETER_PROBLEM_HEADER_SIZE

See Also:

• Constant Field Values

pointer

private final byte pointer

unused

private final int unused

Constructor Details

IcmpV4ParameterProblemHeader

private IcmpV4ParameterProblemHeader(byte[] rawData,
 int offset,
 int length)
                              throws IllegalRawDataException

Throws:

IllegalRawDataException

IcmpV4ParameterProblemHeader

private IcmpV4ParameterProblemHeader(IcmpV4ParameterProblemPacket.Builder builder)

Method Details

getPointer

public byte getPointer()

Returns:

pointer

getPointerAsInt

public int getPointerAsInt()

Returns:

pointer

getUnused

public int getUnused()

Returns:

unused

getRawFields

protected 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

length

public int length()

Description copied from class: AbstractPacket.AbstractHeader

Returns the header length in bytes. This method calls calcLength() and caches the return value when it is called for the first time, and then, this method returns the cached value from the second time.

Specified by:

length in interface Packet.Header

Overrides:

length in class AbstractPacket.AbstractHeader

Returns:

the length of the byte stream of the header represented by this object in bytes

buildString

protected 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(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