Nettle.OpenFlow.Messages

Description

This module provides a logical representation of OpenFlow switches and protocol messages. An OpenFlow message is either a switch-to-controller message or controller-to-switch message. In either case, each message is tagged with a unique message identifier.

Synopsis

Documentation

type TransactionID = Word32 Source

Every OpenFlow message is tagged with a MessageID value.

data SCMessage Source

The Switch can send the following messages to the controller.

Constructors

SCHello	Sent after a switch establishes a TCP connection to the controller
SCEchoRequest ![Word8]	Switch requests an echo reply
SCEchoReply ![Word8]	Switch responds to an echo request
Features !SwitchFeatures	Switch reports its features
PacketIn !PacketInfo	Switch sends a packet to the controller
PortStatus !PortStatus	Switch sends port status
FlowRemoved !FlowRemoved	Switch reports that a flow has been removed
StatsReply !StatsReply	Switch reports statistics
Error !SwitchError	Switch reports an error
BarrierReply	Switch responds that a barrier has been processed
QueueConfigReply !QueueConfigReply

Instances

Eq SCMessage
Show SCMessage

data CSMessage Source

The controller can send these messages to the switch.

Constructors

CSHello	Controller must send hello before sending any other messages
CSEchoRequest ![Word8]	Controller requests a switch echo
CSEchoReply ![Word8]	Controller responds to a switch echo request
FeaturesRequest	Controller requests features information
PacketOut !PacketOut	Controller commands switch to send a packet
FlowMod !FlowMod	Controller modifies a switch flow table
PortMod !PortMod	Controller configures a switch port
StatsRequest !StatsRequest	Controller requests statistics
BarrierRequest	Controller requests a barrier
SetConfig
Vendor
GetQueueConfig !QueueConfigRequest

Instances

Eq CSMessage
Show CSMessage