Link makes connections among multiple Wires. It supports packet switching and output queuing. Random drop occurs when the queue is full. More...

#include <E_Link.hpp>

Inheritance diagram for E::Link:

Public Types
enum	MessageType { CHECK_QUEUE }

Public Types inherited from E::Module
using	Message = std::unique_ptr< MessageBase >

Public Member Functions
	Link (std::string name, NetworkSystem &system)

virtual void	enablePCAPLogging (const std::string &filename, Size snaplen=65535) final
	Make a PCAP formatted log file.

virtual void	setLinkSpeed (Size bps) final

virtual void	setQueueSize (Size max_queue_length) final

Public Member Functions inherited from E::NetworkModule
	NetworkModule (System &system)

int	connectWire (const ModuleID moduleID)

size_t	getPortCount ()

Public Member Functions inherited from E::Module
	Module (System &system)
	Module must belong to a System. Module is registered to a System when it is created.

std::string	getModuleName ()

std::string	getModuleName (const ModuleID moduleID)

Time	getCurrentTime ()

Protected Member Functions
virtual void	packetArrived (const ModuleID inWireID, Packet &&packet)=0

virtual void	packetSent (const ModuleID wireID, Packet &&packet)

virtual void	sendPacket (const ModuleID wireID, Packet &&packet) final

Protected Member Functions inherited from E::Module
virtual UUID	sendMessage (const ModuleID to, Module::Message message, Time timeAfter) final
	Send a Message to other Module. Every message has its own delay before it is actually sent. The System guarantees the total ordering of all delayed messages in the System.

virtual UUID	sendMessageSelf (Module::Message message, Time timeAfter) final
	Send a Message to self Every message has its own delay before it is actually sent. The System guarantees the total ordering of all delayed messages in the System.

virtual bool	cancelMessage (UUID messageID) final
	Cancel the raised Message. If a message is not actually sent yet, you can cancel the message. If the message is already sent, this function has no effect.

Protected Attributes
std::unordered_map< ModuleID, Time >	nextAvailable

std::unordered_map< ModuleID, std::list< Packet > >	outputQueue

Size	bps

Size	max_queue_length

Protected Attributes inherited from E::NetworkModule
std::vector< ModuleID >	ports

Detailed Description

Link makes connections among multiple Wires. It supports packet switching and output queuing. Random drop occurs when the queue is full.

Member Function Documentation

void E::Link::enablePCAPLogging	(	const std::string &	filename,
		Size	snaplen = `65535`
	)

finalvirtual

Make a PCAP formatted log file.

Parameters

filename	Name of the log file.
snaplen	Length of packet data to be recorded.

void E::Link::setLinkSpeed ( Size bps )

finalvirtual

Parameters

bps	Set link speed to bps.

void E::Link::setQueueSize ( Size max_queue_length )

finalvirtual

Parameters

max_queue_length Set the maximum queue length. Zero indicates infinite queue.

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