org.jnetpcap.protocol.network
Class Ip4.IpOption

java.lang.Object
  org.jnetpcap.nio.JMemory
      org.jnetpcap.nio.JBuffer
          org.jnetpcap.packet.JHeader
              org.jnetpcap.packet.JSubHeader<Ip4>
                  org.jnetpcap.protocol.network.Ip4.IpOption

All Implemented Interfaces:

JByteBuffer

Direct Known Subclasses:

Ip4.NoOp, Ip4.Routing, Ip4.Security, Ip4.StreamId, Ip4.Timestamp

Enclosing class:

Ip4

public abstract static class Ip4.IpOption
extends JSubHeader<Ip4>

Baseclass for all Ip option headers

Author:

Mark Bednarczyk, Sly Technologies, Inc.

Nested Class Summary

static class

Ip4.IpOption.OptionCode A table of IpOption types and their names

Nested classes/interfaces inherited from class org.jnetpcap.packet.JHeader

JHeader.State

Nested classes/interfaces inherited from class org.jnetpcap.nio.JMemory

JMemory.Type

Field Summary

Fields inherited from class org.jnetpcap.packet.JHeader

annotatedHeader, EMPTY_HEADER_ARRAY, isSubHeader, packet, state

Fields inherited from class org.jnetpcap.nio.JMemory

JNETPCAP_LIBRARY_NAME

Constructor Summary

Ip4.IpOption()

Method Summary

int	code() Gets the Ip4.code field.
void	code(int value) Sets the Ip4.code field.
Ip4.IpOption.OptionCode	codeEnum() Gets the Ip4.code field.
static int	headerLength(JBuffer buffer, int offset)
void	optionCode(Ip4.IpOption.OptionCode value) Sets the Ip4.code field.

Methods inherited from class org.jnetpcap.packet.JSubHeader

getLength, getOffset, getParent, setLength, setOffset, setParent

Methods inherited from class org.jnetpcap.packet.JHeader

addAnalysis, decode, decodeHeader, getAnalysis, getAnalysisIterable, getAnnotatedHeader, getDescription, getFields, getId, getName, getNicname, getPacket, getState, getSubHeaders, getType, hasAnalysis, hasAnalysis, hasAnalysis, hasDescription, hasSubHeaders, peer, peer, setPacket, setSubHeaders, sizeof, toString, validateHeader

Methods inherited from class org.jnetpcap.nio.JBuffer

findUTF8String, getByte, getByteArray, getByteArray, getDouble, getFloat, getInt, getLong, getShort, getUByte, getUInt, getUShort, getUTF8Char, getUTF8String, getUTF8String, getUTF8String, getUTF8String, isReadonly, order, order, peer, peer, peer, peer, setByte, setByteArray, setByteBuffer, setDouble, setFloat, setInt, setLong, setShort, setUByte, setUInt, setUShort, transferFrom, transferFrom, transferFrom, transferTo, transferTo, transferTo

Methods inherited from class org.jnetpcap.nio.JMemory

check, cleanup, finalize, isInitialized, isJMemoryBasedOwner, isOwner, peer, setSize, size, toDebugString, toHexdump, toHexdump, totalActiveAllocated, totalAllocateCalls, totalAllocated, totalAllocatedSegments0To255Bytes, totalAllocatedSegments256OrAbove, totalDeAllocateCalls, totalDeAllocated, transferFrom, transferFrom, transferFromDirect, transferOwnership, transferTo, transferTo, transferTo, transferTo, transferTo

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.jnetpcap.nio.JByteBuffer

size

Constructor Detail

Ip4.IpOption

public Ip4.IpOption()

Method Detail

headerLength

@HeaderLength
public static int headerLength(JBuffer buffer,
                                            int offset)

code

@Field(offset=0,
       length=3,
       format="%d")
public int code()

Gets the Ip4.code field. Specifies the optional header type.

Header Spec

Protocol Header:	Ip4
Protocol Family:	Networking
OSI Layer:	3
Field Property:	constant offset
Field Offset:	getUByte(0) & 0x1F

Header Diagram

 +------+-----------------+
 | CODE | optional header |
 +------+-----------------+
 

Returns:

code field value

code

@FieldSetter
public void code(int value)

Sets the Ip4.code field. Specifies the optional header type.

Header Spec

Protocol Header:	Ip4
Protocol Family:	Networking
OSI Layer:	3
Field Property:	constant offset
Field Offset:	getUByte(0) & 0x1F

Header Diagram

 +------+-----------------+
 | CODE | optional header |
 +------+-----------------+
 

Parameters:

value - new code value

codeEnum

public Ip4.IpOption.OptionCode codeEnum()

Gets the Ip4.code field. Specifies the optional header type.

Header Spec

Protocol Header:	Ip4
Protocol Family:	Networking
OSI Layer:	3
Field Property:	constant offset
Field Offset:	getUByte(0) & 0x1F

Header Diagram

 +------+-----------------+
 | CODE | optional header |
 +------+-----------------+
 

Returns:

code field value

optionCode

public void optionCode(Ip4.IpOption.OptionCode value)

Sets the Ip4.code field. Specifies the optional header type.

Header Spec

Protocol Header:	Ip4
Protocol Family:	Networking
OSI Layer:	3
Field Property:	constant offset
Field Offset:	getUByte(0) & 0x1F

Header Diagram

 +------+-----------------+
 | CODE | optional header |
 +------+-----------------+
 

Parameters:

value - new code value