C# Class NetworkPackets.IPPacket

Inheritance: NetworkPacket

Show file Open project: pstjuste/brunet Class Usage Examples

Public Properties

Property	Type	Description
BroadcastAddress	MemBlock
DestinationIP	MemBlock
Protocol	Protocols
SourceIP	MemBlock
ZeroAddress	MemBlock

Public Methods

Method	Description
GenerateChecksum ( MemBlock header ) : ushort	Generates an 16-bit IP (UDP, TCP) checksum based upon header and optional extra memory blocks placed into args.
IPPacket ( ) : Brunet
IPPacket ( MemBlock Packet ) : Brunet	Takes in a MemBlock and parses it into IP Header fields
IPPacket ( Protocols Protocol, MemBlock SourceIP, MemBlock DestinationIP, ICopyable Payload ) : Brunet	Takes in the IP Header fields and a payload to create an IP Packet. Unlisted fields are generated by this constructor automatically.
IPPacket ( Protocols Protocol, MemBlock SourceIP, MemBlock DestinationIP, MemBlock hdr, ICopyable Payload ) : Brunet	Takes in the IP Header fields and a payload to create an IP Packet. Unlisted fields are generated by this constructor automatically.
MakePseudoHeader ( MemBlock source_address, MemBlock destination_address, byte protocol, ushort length ) : MemBlock
Translate ( MemBlock Packet, MemBlock SourceIP, MemBlock DestinationIP ) : MemBlock	If we're not creating a packet from scratch, this will keep its integrity and transform UDP and TCP headers as well (due to their checksums being dependent on source and destination ip addresses.

Private Methods

Method	Description
ChecksumTest ( ) : void

Method Details

GenerateChecksum() public static method

Generates an 16-bit IP (UDP, TCP) checksum based upon header and optional extra memory blocks placed into args.

public static GenerateChecksum ( MemBlock header ) : ushort
header	MemBlock	The Header to base the checksum on.
return	ushort

IPPacket() public method

public IPPacket ( ) : Brunet
return	Brunet

IPPacket() public method

Takes in a MemBlock and parses it into IP Header fields

public IPPacket ( MemBlock Packet ) : Brunet
Packet	MemBlock	The IP Packet to parse.
return	Brunet

IPPacket() public method

Takes in the IP Header fields and a payload to create an IP Packet. Unlisted fields are generated by this constructor automatically.

public IPPacket ( Protocols Protocol, MemBlock SourceIP, MemBlock DestinationIP, ICopyable Payload ) : Brunet
Protocol	Protocols	The type of payload
SourceIP	MemBlock	The packets originating ip address
DestinationIP	MemBlock	The destination for the packet
Payload	ICopyable	The data stored in the IP Packet
return	Brunet

IPPacket() public method

Takes in the IP Header fields and a payload to create an IP Packet. Unlisted fields are generated by this constructor automatically.

public IPPacket ( Protocols Protocol, MemBlock SourceIP, MemBlock DestinationIP, MemBlock hdr, ICopyable Payload ) : Brunet
Protocol	Protocols	The type of payload
SourceIP	MemBlock	The packets originating ip address
DestinationIP	MemBlock	The destination for the packet
hdr	MemBlock	The original header of the IPPacket
Payload	ICopyable	The data stored in the IP Packet
return	Brunet

MakePseudoHeader() public static method

public static MakePseudoHeader ( MemBlock source_address, MemBlock destination_address, byte protocol, ushort length ) : MemBlock
source_address	MemBlock
destination_address	MemBlock
protocol	byte
length	ushort
return	MemBlock

Translate() public static method

If we're not creating a packet from scratch, this will keep its integrity and transform UDP and TCP headers as well (due to their checksums being dependent on source and destination ip addresses.

public static Translate ( MemBlock Packet, MemBlock SourceIP, MemBlock DestinationIP ) : MemBlock
Packet	MemBlock	The packet to translate.
SourceIP	MemBlock	The new source ip.
DestinationIP	MemBlock	The new destination ip.
return	MemBlock

Property Details

BroadcastAddress public static property

The default broadcast (multicast) address

public static MemBlock BroadcastAddress
return	MemBlock

DestinationIP public property

The IP Address where the packet is going

public MemBlock DestinationIP
return	MemBlock

Protocol public property

The protocol for this packet.

public Protocols Protocol
return	Protocols

SourceIP public property

The IP Address where the packet originated

public MemBlock SourceIP
return	MemBlock

ZeroAddress public static property

The zero address

public static MemBlock ZeroAddress
return	MemBlock