org.opennms.jicmp.ip

Class ICMPPacket

java.lang.Object

org.opennms.jicmp.ip.ICMPPacket

Direct Known Subclasses:

ICMPEchoPacket

public class ICMPPacket
extends Object

ICMPPacket

Author:

brozow

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ICMPPacket.Type

Field Summary

Fields

Modifier and Type	Field and Description
static int	CHECKSUM_INDEX

Constructor Summary

Constructors

Constructor and Description
ICMPPacket(ByteBuffer ipPayload)
ICMPPacket(ICMPPacket icmpPacket)
ICMPPacket(int size)

Method Summary

Methods

Modifier and Type	Method and Description
int	computeChecksum()
int	getChecksum()
int	getCode()
ICMPPacket.Type	getType()
int	getUnsignedShort(int index)
int	makeUnsignedShort(byte b1, byte b0)
void	setBytes(int index, byte[] b)
void	setChecksum()
void	setCode(int code)
void	setType(ICMPPacket.Type t)
void	setUnsignedShort(int index, int us)
NativeDatagramPacket	toDatagramPacket(InetAddress destinationAddress)

Methods inherited from class java.lang.Object

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

Field Detail

CHECKSUM_INDEX

public static final int CHECKSUM_INDEX

See Also:

Constant Field Values

Constructor Detail

ICMPPacket

public ICMPPacket(ByteBuffer ipPayload)

ICMPPacket

public ICMPPacket(ICMPPacket icmpPacket)

ICMPPacket

public ICMPPacket(int size)

Method Detail

getType

public ICMPPacket.Type getType()

setType

public void setType(ICMPPacket.Type t)

getCode

public int getCode()

setCode

public void setCode(int code)

getChecksum

public int getChecksum()

setChecksum

public void setChecksum()

computeChecksum

public int computeChecksum()

setBytes

public void setBytes(int index,
            byte[] b)

Parameters:

index - The byte offset into the packet where the bytes will be inserted

makeUnsignedShort

public int makeUnsignedShort(byte b1,
                    byte b0)

getUnsignedShort

public int getUnsignedShort(int index)

Parameters:

index - The byte offset into the packet where the value can be found

setUnsignedShort

public void setUnsignedShort(int index,
                    int us)

Parameters:

index - The byte offset into the packet where the value can be found

us - Unsigned short value to insert into the buffer

toDatagramPacket

public NativeDatagramPacket toDatagramPacket(InetAddress destinationAddress)