Converts between ArpPacket and binary (network byte order) Arp header. More...

#include <ArpPacketSerializer.h>

Inheritance diagram for inet::ArpPacketSerializer:

Public Member Functions
	ArpPacketSerializer ()

Public Member Functions inherited from inet::FieldsChunkSerializer
virtual void	serialize (MemoryOutputStream &stream, const Ptr< const Chunk > &chunk, b offset, b length) const override
	Serializes a chunk into a stream by writing the bytes representing the chunk at the end of the stream. More...

virtual const Ptr< Chunk >	deserialize (MemoryInputStream &stream, const std::type_info &typeInfo) const override
	Deserializes a chunk from a stream by reading the bytes at the current position of the stream. More...

Protected Member Functions
MacAddress	readMacAddress (MemoryInputStream &stream, unsigned int size) const

Ipv4Address	readIpv4Address (MemoryInputStream &stream, unsigned int size) const

virtual void	serialize (MemoryOutputStream &stream, const Ptr< const Chunk > &chunk) const override
	Serializes a chunk into a stream by writing all bytes representing the chunk at the end of the stream. More...

virtual const Ptr< Chunk >	deserialize (MemoryInputStream &stream) const override
	Deserializes a chunk from a stream by reading the bytes at the current position of the stream. More...

Additional Inherited Members
Static Public Attributes inherited from inet::ChunkSerializer
static b	totalSerializedLength = b(0)

static b	totalDeserializedLength = b(0)

Detailed Description

Converts between ArpPacket and binary (network byte order) Arp header.

Constructor & Destructor Documentation

◆ ArpPacketSerializer()

inet::ArpPacketSerializer::ArpPacketSerializer ( )

inline

28 : FieldsChunkSerializer() {}

Member Function Documentation

◆ deserialize()

const Ptr< Chunk > inet::ArpPacketSerializer::deserialize ( MemoryInputStream & stream ) const

overrideprotectedvirtual

Deserializes a chunk from a stream by reading the bytes at the current position of the stream.

The current stream position is updated according to the length of the returned chunk.

Implements inet::FieldsChunkSerializer.

 {
     auto arpPacket = makeShared<ArpPacket>();
     if (stream.readUint16Be() != 1)
         arpPacket->markIncorrect();
     if (stream.readUint16Be() != ETHERTYPE_IPv4)
         arpPacket->markIncorrect();
     uint8_t macAddressLength = stream.readByte(); // ar_hln
     uint8_t ipAddressLength = stream.readByte(); // ar_pln
     arpPacket->setOpcode(static_cast<ArpOpcode>(stream.readUint16Be())); // arphdr->ar_op
     arpPacket->setSrcMacAddress(readMacAddress(stream, macAddressLength));
     arpPacket->setSrcIpAddress(readIpv4Address(stream, ipAddressLength)); // ar_spa
     arpPacket->setDestMacAddress(readMacAddress(stream, macAddressLength));
     arpPacket->setDestIpAddress(readIpv4Address(stream, ipAddressLength)); // ar_tpa
     return arpPacket;
 }

◆ readIpv4Address()

Ipv4Address inet::ArpPacketSerializer::readIpv4Address	(	MemoryInputStream &	stream,
		unsigned int	size
	)		const

protected

 {
     b curpos = stream.getPosition();
     Ipv4Address address = stream.readIpv4Address();
     stream.seek(curpos + B(size));
     return address;
 }

Referenced by deserialize().

◆ readMacAddress()

MacAddress inet::ArpPacketSerializer::readMacAddress	(	MemoryInputStream &	stream,
		unsigned int	size
	)		const

protected

 {
     b curpos = stream.getPosition();
     MacAddress address = stream.readMacAddress();
     stream.seek(curpos + B(size));
     return address;
 }

Referenced by deserialize().

◆ serialize()

void inet::ArpPacketSerializer::serialize	(	MemoryOutputStream &	stream,
		const Ptr< const Chunk > &	chunk
	)		const

overrideprotectedvirtual

Serializes a chunk into a stream by writing all bytes representing the chunk at the end of the stream.

Implements inet::FieldsChunkSerializer.

 {
     const auto& arpPacket = staticPtrCast<const ArpPacket>(chunk);
     stream.writeUint16Be(1); // ethernet
     stream.writeUint16Be(ETHERTYPE_IPv4);
     stream.writeByte(MAC_ADDRESS_SIZE);
     stream.writeByte(4); // size of IPv4 address
     stream.writeUint16Be(arpPacket->getOpcode());
     stream.writeMacAddress(arpPacket->getSrcMacAddress());
     stream.writeIpv4Address(arpPacket->getSrcIpAddress());
     stream.writeMacAddress(arpPacket->getDestMacAddress());
     stream.writeIpv4Address(arpPacket->getDestIpAddress());
 }

The documentation for this class was generated from the following files:

Public Member Functions

Protected Member Functions

Additional Inherited Members