mininet.node.UserSwitch Class Reference

User-space switch. More...

Inheritance diagram for mininet.node.UserSwitch:

Public Member Functions
def	__init__ (self, name, dpopts='--no-slicing', **kwargs)
	Init. More...
def	setup (cls)
	Ensure any dependencies are loaded; if not, try to load them.
def	dpctl (self, *args)
	Run dpctl command.
def	connected (self)
	Is the switch connected to a controller?
def	start (self, controllers)
	Start OpenFlow reference user datapath. More...
def	stop (self, deleteIntfs=True)
	Stop OpenFlow reference user datapath. More...
Public Member Functions inherited from mininet.node.Switch
def	__init__ (self, name, dpid=None, opts='', listenPort=None, **params)
def	defaultDpid (self, dpid=None)
	Return correctly formatted dpid from dpid or switch name (s1 -> 1)
def	defaultIntf (self)
	Return control interface.
def	sendCmd (self, *cmd, **kwargs)
	Send command to Node. More...
def	__repr__ (self)
	More informative string representation.
Public Member Functions inherited from mininet.node.Node
def	fdToNode (cls, fd)
	Return node corresponding to given file descriptor. More...
def	startShell (self, mnopts=None)
	Start a shell process for running commands.
def	mountPrivateDirs (self)
	mount private directories
def	unmountPrivateDirs (self)
	mount private directories
def	cleanup (self)
	Help python collect its garbage.
def	read (self, size=1024)
	Buffered read from node, potentially blocking. More...
def	readline (self)
	Buffered readline from node, potentially blocking. More...
def	write (self, data)
	Write data to node. More...
def	terminate (self)
	Send kill signal to Node and clean up after it.
def	waitReadable (self, timeoutms=None)
	Wait until node's output is readable. More...
def	sendInt (self, intr=chr(3))
	Interrupt running command.
def	monitor (self, timeoutms=None, findPid=True)
	Monitor and return the output of a command. More...
def	waitOutput (self, verbose=False, findPid=True)
	Wait for a command to complete. More...
def	cmd (self, *args, **kwargs)
	Send a command, wait for output, and return it. More...
def	cmdPrint (self, *args)
	Call cmd and printing its output. More...
def	popen (self, *args, **kwargs)
	Return a Popen() object in our namespace. More...
def	pexec (self, *args, **kwargs)
	Execute a command using popen. More...
def	newPort (self)
	Return the next port number to allocate.
def	addIntf (self, intf, port=None, moveIntfFn=moveIntf)
	Add an interface. More...
def	delIntf (self, intf)
	Remove interface from Node's known interfaces. More...
def	intf (self, intf=None)
	Return our interface object with given string name, default intf if name is falsy (None, empty string, etc). More...
def	connectionsTo (self, node)
	Return [ intf1, intf2... More...
def	deleteIntfs (self, checkName=True)
	Delete all of our interfaces. More...
def	setARP (self, ip, mac)
	Add an ARP entry. More...
def	setHostRoute (self, ip, intf)
	Add route to host. More...
def	setDefaultRoute (self, intf=None)
	Set the default route to go through intf. More...
def	setMAC (self, mac, intf=None)
	Set the MAC address for an interface. More...
def	setIP (self, ip, prefixLen=8, intf=None, **kwargs)
	Set the IP address for an interface. More...
def	IP (self, intf=None)
	Return IP address of a node or specific interface.
def	MAC (self, intf=None)
	Return MAC address of a node or specific interface.
def	intfIsUp (self, intf=None)
	Check if an interface is up.
def	setParam (self, results, method, **param)
	Internal. More...
def	config (self, mac=None, ip=None, defaultRoute=None, lo='up', **_params)
	Configure Node according to (optional) More...
def	configDefault (self, **moreParams)
	Configure with default parameters.
def	linkTo (self, node, link=Link)
	(Deprecated) Link to another node replace with Link( node1, node2)
def	intfList (self)
	List of our interfaces sorted by port number.
def	intfNames (self)
	The names of our interfaces sorted by port number.
def	__str__ (self)
	Abbreviated string representation.
def	checkSetup (cls)
	Make sure our class and superclasses are set up.

Static Public Member Functions
def	TCReapply (intf)
	Unfortunately user switch and Mininet are fighting over tc queuing disciplines. More...

Public Attributes
	dpopts
Public Attributes inherited from mininet.node.Switch
	dpid
	opts
	listenPort
	controlIntf
Public Attributes inherited from mininet.node.Node
	name
	privateDirs
	inNamespace
	waitExited
	params
	intfs
	ports
	nameToIntf
	waiting
	readbuf
	decoder
	slave
	shell
	stdin
	stdout
	pid
	pollOut
	execed
	lastCmd
	lastPid

Static Public Attributes
int	dpidLen = 12
Static Public Attributes inherited from mininet.node.Switch
int	portBase = 1
int	dpidLen = 16
Static Public Attributes inherited from mininet.node.Node
int	portBase = 0
dictionary	inToNode = {}
dictionary	outToNode = {}
bool	isSetup = False

Detailed Description

User-space switch.

Constructor & Destructor Documentation

__init__()

def mininet.node.UserSwitch.__init__	(		self,
			name,
			dpopts = '--no-slicing',
		**	kwargs
	)

Init.

Parameters

name	name for the switch
dpopts	additional arguments to ofdatapath (–no-slicing)

Reimplemented from mininet.node.Node.

Member Function Documentation

start()

def mininet.node.UserSwitch.start	(		self,
			controllers
	)

Start OpenFlow reference user datapath.

Log to /tmp/sN-{ofd,ofp}.log.

Parameters

controllers

list of controller objects

stop()

def mininet.node.UserSwitch.stop	(		self,
			deleteIntfs = True
	)

Stop OpenFlow reference user datapath.

Parameters

deleteIntfs

delete interfaces? (True)

Reimplemented from mininet.node.Switch.

TCReapply()

def mininet.node.UserSwitch.TCReapply (   intf )

static

Unfortunately user switch and Mininet are fighting over tc queuing disciplines.

To resolve the conflict, we re-create the user switch's configuration, but as a leaf of the TCIntf-created configuration.

---

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

• mininet/node.py