- java.lang.Object
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- org.pcap4j.packet.AbstractPacket.AbstractHeader
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- org.pcap4j.packet.AbstractPppPacket.AbstractPppHeader
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- All Implemented Interfaces:
java.io.Serializable,Packet.Header
- Direct Known Subclasses:
HdlcPppPacket.HdlcPppHeader,PppPacket.PppHeader
- Enclosing class:
- AbstractPppPacket
abstract static class AbstractPppPacket.AbstractPppHeader extends AbstractPacket.AbstractHeader
- Since:
- pcap4j 1.4.0
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Field Summary
Fields Modifier and Type Field Description (package private) static intPPP_HEADER_SIZEprivate PppDllProtocolprotocolprivate static intPROTOCOL_OFFSETprivate static intPROTOCOL_SIZEprivate static longserialVersionUID
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Constructor Summary
Constructors Modifier Constructor Description protectedAbstractPppHeader(byte[] rawData, int offset, int length)protectedAbstractPppHeader(AbstractPppPacket.Builder builder)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.lang.StringbuildString()This method builds the valuetoString()will return.protected intcalcHashCode()This method builds the valuehashCode()will return using the byte arraygetRawData()returns.booleanequals(java.lang.Object obj)Indicates whether some other object is "equal to" this one using return values ofgetRawData().PppDllProtocolgetProtocol()protected java.util.List<byte[]>getRawFields()Returns a list of byte arrays which represents this header's fields.intlength()Returns the header length in bytes.-
Methods inherited from class org.pcap4j.packet.AbstractPacket.AbstractHeader
buildHexString, buildRawData, calcLength, getRawData, hashCode, toHexString, toString
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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PROTOCOL_OFFSET
private static final int PROTOCOL_OFFSET
- See Also:
- Constant Field Values
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PROTOCOL_SIZE
private static final int PROTOCOL_SIZE
- See Also:
- Constant Field Values
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PPP_HEADER_SIZE
static final int PPP_HEADER_SIZE
- See Also:
- Constant Field Values
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protocol
private final PppDllProtocol protocol
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Constructor Detail
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AbstractPppHeader
protected AbstractPppHeader(byte[] rawData, int offset, int length) throws IllegalRawDataException- Throws:
IllegalRawDataException
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AbstractPppHeader
protected AbstractPppHeader(AbstractPppPacket.Builder builder)
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Method Detail
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getProtocol
public PppDllProtocol getProtocol()
- Returns:
- protocol
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getRawFields
protected java.util.List<byte[]> getRawFields()
Description copied from class:AbstractPacket.AbstractHeaderReturns a list of byte arrays which represents this header's fields. This method is called bycalcLength()andbuildRawData().- Specified by:
getRawFieldsin classAbstractPacket.AbstractHeader- Returns:
- a list of byte arrays which represents this header's fields
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length
public int length()
Description copied from class:AbstractPacket.AbstractHeaderReturns the header length in bytes. This method callscalcLength()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:
lengthin interfacePacket.Header- Overrides:
lengthin classAbstractPacket.AbstractHeader- Returns:
- the length of the byte stream of the header represented by this object in bytes
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buildString
protected java.lang.String buildString()
Description copied from class:AbstractPacket.AbstractHeaderThis method builds the valuetoString()will return.- Overrides:
buildStringin classAbstractPacket.AbstractHeader- Returns:
- a string representation of this object
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equals
public boolean equals(java.lang.Object obj)
Description copied from class:AbstractPacket.AbstractHeaderIndicates whether some other object is "equal to" this one using return values ofgetRawData(). This method should be overridden so that it does more strict comparisons more efficiently.- Overrides:
equalsin classAbstractPacket.AbstractHeader
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calcHashCode
protected int calcHashCode()
Description copied from class:AbstractPacket.AbstractHeaderThis method builds the valuehashCode()will return using the byte arraygetRawData()returns. This method may be better to be overridden for performance reason.- Overrides:
calcHashCodein classAbstractPacket.AbstractHeader- Returns:
- a calculated hash code value for the object
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