org.jnetpcap.protocol.network
Class Icmp

java.lang.Object
  org.jnetpcap.nio.JMemory
      org.jnetpcap.nio.JBuffer
          org.jnetpcap.packet.JHeader
              org.jnetpcap.packet.JHeaderMap<Icmp>
                  org.jnetpcap.protocol.network.Icmp

All Implemented Interfaces:

JByteBuffer, JCompoundHeader<Icmp>

@Header
public class Icmp
extends JHeaderMap<Icmp>

ICMP header definition

Author:

Mark Bednarczyk, Sly Technologies, Inc.

Nested Class Summary

static class	Icmp.DestinationUnreachable ICMP Destination Unreachable header definition
static class	Icmp.Echo ICMP Echo header (ping) baseclass definition
static class	Icmp.EchoReply ICMP Echo Reply header definition
static class	Icmp.EchoRequest ICMP Echo Request header definition
static class	Icmp.IcmpCode A table of Icmp sub-codes per Icmp type
static class	Icmp.IcmpType A table of IcmpTypes and their names
static class	Icmp.ParamProblem ICMP Paramater Protoblem header definition
static class	Icmp.Redirect ICMP Redirect header definition
static class	Icmp.Reserved Base class for various ICMP Headers that contain a reserved field
static class	Icmp.SourceQuench ICMP Source Quence header definition

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

static int

ID

Fields inherited from class org.jnetpcap.packet.JHeaderMap

MAX_HEADERS, optionsBitmap, optionsLength, optionsOffsets, X_HEADERS

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

Icmp()

Method Summary

int	checksum()
int	code()
Icmp.IcmpCode	codeEnum()
protected void	decodeHeader() Allows a header to decode its complex fields
static int	headerLength(JBuffer buffer, int offset)
int	type()
java.lang.String	typeDescription()
Icmp.IcmpType	typeEnum()

Methods inherited from class org.jnetpcap.packet.JHeaderMap

getSubHeader, getSubHeaders, hasSubHeader, hasSubHeader, hasSubHeaders, setSubHeader, setSubHeaders

Methods inherited from class org.jnetpcap.packet.JHeader

addAnalysis, decode, getAnalysis, getAnalysisIterable, getAnnotatedHeader, getDescription, getFields, getId, getLength, getName, getNicname, getOffset, getPacket, getParent, getState, getType, hasAnalysis, hasAnalysis, hasAnalysis, hasDescription, peer, peer, setPacket, 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

Field Detail

ID

public static final int ID

See Also:

Constant Field Values

Constructor Detail

Icmp

public Icmp()

Method Detail

headerLength

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

checksum

@Field(offset=16,
       length=16,
       format="%x")
public int checksum()

code

@Field(offset=8,
       length=8,
       format="%x")
public int code()

codeEnum

public Icmp.IcmpCode codeEnum()

decodeHeader

protected void decodeHeader()

Description copied from class: JHeader

Allows a header to decode its complex fields

Overrides:

decodeHeader in class JHeader

type

@Field(offset=0,
       length=8,
       format="%x")
public int type()

typeDescription

@Dynamic(value=DESCRIPTION)
public java.lang.String typeDescription()

typeEnum

public Icmp.IcmpType typeEnum()