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executable file
·3579 lines (3120 loc) · 153 KB
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#!/usr/bin/python
"""
MiniEdit: a simple network editor for Mininet
This is a simple demonstration of how one might build a
GUI application using Mininet as the network model.
Bob Lantz, April 2010
Gregory Gee, July 2013
Controller icon from http://semlabs.co.uk/
OpenFlow icon from https://www.opennetworking.org/
"""
MINIEDIT_VERSION = '2.2.0.1'
from optparse import OptionParser
from Tkinter import *
from ttk import Notebook
from tkMessageBox import showinfo, showerror, showwarning
from subprocess import call
import tkFont
import csv
import tkFileDialog
import tkSimpleDialog
import re
import json
from distutils.version import StrictVersion
import os
import sys
from functools import partial
if 'PYTHONPATH' in os.environ:
sys.path = os.environ[ 'PYTHONPATH' ].split( ':' ) + sys.path
# someday: from ttk import *
from mininet.log import info, error, debug, output, setLogLevel
from mininet.net import Mininet, VERSION
from mininet.util import ipStr, netParse, ipAdd, quietRun
from mininet.util import buildTopo
from mininet.util import custom, customConstructor
from mininet.term import makeTerm, cleanUpScreens
from mininet.node import Controller, RemoteController, NOX, OVSController
from mininet.node import CPULimitedHost, Host, Node, HostWithPrivateDirs
from mininet.node import OVSKernelSwitch, OVSSwitch, UserSwitch
from mininet.link import TCLink, Intf, Link
from mininet.cli import CLI
from mininet.moduledeps import moduleDeps, pathCheck
from mininet.topo import SingleSwitchTopo, LinearTopo, SingleSwitchReversedTopo
from mininet.topolib import TreeTopo
print 'MiniEdit running against MiniNet '+VERSION
MININET_VERSION = re.sub(r'[^\d\.]', '', VERSION)
if StrictVersion(MININET_VERSION) > StrictVersion('2.0'):
from mininet.node import IVSSwitch
TOPODEF = 'none'
TOPOS = { 'minimal': lambda: SingleSwitchTopo( k=2 ),
'linear': LinearTopo,
'reversed': SingleSwitchReversedTopo,
'single': SingleSwitchTopo,
'none': None,
'tree': TreeTopo }
CONTROLLERDEF = 'ref'
CONTROLLERS = { 'ref': Controller,
'ovsc': OVSController,
'nox': NOX,
'remote': RemoteController,
'none': lambda name: None }
LINKDEF = 'default'
LINKS = { 'default': Link,
'tc': TCLink }
HOSTDEF = 'proc'
HOSTS = { 'proc': Host,
'rt': custom( CPULimitedHost, sched='rt' ),
'cfs': custom( CPULimitedHost, sched='cfs' ) }
class CPULimitedHostWithPrivateDirs( CPULimitedHost ):
"Host with private directories"
def __init__( self, name, sched='cfs', **kwargs ):
"privateDirs: list of private directory strings or tuples"
self.name = name
self.privateDirs = kwargs.pop( 'privateDirs', [] )
CPULimitedHost.__init__( self, name, sched, **kwargs )
self.mountPrivateDirs()
def mountPrivateDirs( self ):
"mount private directories"
for directory in self.privateDirs:
if isinstance( directory, tuple ):
# mount given private directory
privateDir = directory[ 1 ] % self.__dict__
mountPoint = directory[ 0 ]
self.cmd( 'mkdir -p %s' % privateDir )
self.cmd( 'mkdir -p %s' % mountPoint )
self.cmd( 'mount --bind %s %s' %
( privateDir, mountPoint ) )
else:
# mount temporary filesystem on directory
self.cmd( 'mkdir -p %s' % directory )
self.cmd( 'mount -n -t tmpfs tmpfs %s' % directory )
class InbandController( RemoteController ):
def checkListening( self ):
"Overridden to do nothing."
return
class CustomUserSwitch(UserSwitch):
def __init__( self, name, dpopts='--no-slicing', **kwargs ):
UserSwitch.__init__( self, name, **kwargs )
self.switchIP = None
def getSwitchIP(self):
return self.switchIP
def setSwitchIP(self, ip):
self.switchIP = ip
def start( self, controllers ):
# Call superclass constructor
UserSwitch.start( self, controllers )
# Set Switch IP address
if (self.switchIP is not None):
if not self.inNamespace:
self.cmd( 'ifconfig', self, self.switchIP )
else:
self.cmd( 'ifconfig lo', self.switchIP )
class LegacyRouter( Node ):
def __init__( self, name, inNamespace=True, **params ):
Node.__init__( self, name, inNamespace, **params )
def config( self, **_params ):
if self.intfs:
self.setParam( _params, 'setIP', ip='0.0.0.0' )
r = Node.config( self, **_params )
self.cmd('sysctl -w net.ipv4.ip_forward=1')
return r
class LegacySwitch(OVSSwitch):
def __init__( self, name, **params ):
OVSSwitch.__init__( self, name, failMode='standalone', **params )
self.switchIP = None
class customOvs(OVSSwitch):
def __init__( self, name, failMode='secure', datapath='kernel', **params ):
OVSSwitch.__init__( self, name, failMode=failMode, datapath=datapath, **params )
self.switchIP = None
def getSwitchIP(self):
return self.switchIP
def setSwitchIP(self, ip):
self.switchIP = ip
def start( self, controllers ):
# Call superclass constructor
OVSSwitch.start( self, controllers )
# Set Switch IP address
if (self.switchIP is not None):
self.cmd( 'ifconfig', self, self.switchIP )
class PrefsDialog(tkSimpleDialog.Dialog):
def __init__(self, parent, title, prefDefaults):
self.prefValues = prefDefaults
tkSimpleDialog.Dialog.__init__(self, parent, title)
def body(self, master):
self.rootFrame = master
self.leftfieldFrame = Frame(self.rootFrame, padx=5, pady=5)
self.leftfieldFrame.grid(row=0, column=0, sticky='nswe', columnspan=2)
self.rightfieldFrame = Frame(self.rootFrame, padx=5, pady=5)
self.rightfieldFrame.grid(row=0, column=2, sticky='nswe', columnspan=2)
# Field for Base IP
Label(self.leftfieldFrame, text="IP Base:").grid(row=0, sticky=E)
self.ipEntry = Entry(self.leftfieldFrame)
self.ipEntry.grid(row=0, column=1)
ipBase = self.prefValues['ipBase']
self.ipEntry.insert(0, ipBase)
# Selection of terminal type
Label(self.leftfieldFrame, text="Default Terminal:").grid(row=1, sticky=E)
self.terminalVar = StringVar(self.leftfieldFrame)
self.terminalOption = OptionMenu(self.leftfieldFrame, self.terminalVar, "xterm", "gterm")
self.terminalOption.grid(row=1, column=1, sticky=W)
terminalType = self.prefValues['terminalType']
self.terminalVar.set(terminalType)
# Field for CLI
Label(self.leftfieldFrame, text="Start CLI:").grid(row=2, sticky=E)
self.cliStart = IntVar()
self.cliButton = Checkbutton(self.leftfieldFrame, variable=self.cliStart)
self.cliButton.grid(row=2, column=1, sticky=W)
if self.prefValues['startCLI'] == '0':
self.cliButton.deselect()
else:
self.cliButton.select()
# Selection of switch type
Label(self.leftfieldFrame, text="Default Switch:").grid(row=3, sticky=E)
self.switchType = StringVar(self.leftfieldFrame)
self.switchTypeMenu = OptionMenu(self.leftfieldFrame, self.switchType, "Open vSwitch Kernel Mode", "Indigo Virtual Switch", "Userspace Switch", "Userspace Switch inNamespace")
self.switchTypeMenu.grid(row=3, column=1, sticky=W)
switchTypePref = self.prefValues['switchType']
if switchTypePref == 'ivs':
self.switchType.set("Indigo Virtual Switch")
elif switchTypePref == 'userns':
self.switchType.set("Userspace Switch inNamespace")
elif switchTypePref == 'user':
self.switchType.set("Userspace Switch")
else:
self.switchType.set("Open vSwitch Kernel Mode")
# Fields for OVS OpenFlow version
ovsFrame= LabelFrame(self.leftfieldFrame, text='Open vSwitch', padx=5, pady=5)
ovsFrame.grid(row=4, column=0, columnspan=2, sticky=EW)
Label(ovsFrame, text="OpenFlow 1.0:").grid(row=0, sticky=E)
Label(ovsFrame, text="OpenFlow 1.1:").grid(row=1, sticky=E)
Label(ovsFrame, text="OpenFlow 1.2:").grid(row=2, sticky=E)
Label(ovsFrame, text="OpenFlow 1.3:").grid(row=3, sticky=E)
self.ovsOf10 = IntVar()
self.covsOf10 = Checkbutton(ovsFrame, variable=self.ovsOf10)
self.covsOf10.grid(row=0, column=1, sticky=W)
if self.prefValues['openFlowVersions']['ovsOf10'] == '0':
self.covsOf10.deselect()
else:
self.covsOf10.select()
self.ovsOf11 = IntVar()
self.covsOf11 = Checkbutton(ovsFrame, variable=self.ovsOf11)
self.covsOf11.grid(row=1, column=1, sticky=W)
if self.prefValues['openFlowVersions']['ovsOf11'] == '0':
self.covsOf11.deselect()
else:
self.covsOf11.select()
self.ovsOf12 = IntVar()
self.covsOf12 = Checkbutton(ovsFrame, variable=self.ovsOf12)
self.covsOf12.grid(row=2, column=1, sticky=W)
if self.prefValues['openFlowVersions']['ovsOf12'] == '0':
self.covsOf12.deselect()
else:
self.covsOf12.select()
self.ovsOf13 = IntVar()
self.covsOf13 = Checkbutton(ovsFrame, variable=self.ovsOf13)
self.covsOf13.grid(row=3, column=1, sticky=W)
if self.prefValues['openFlowVersions']['ovsOf13'] == '0':
self.covsOf13.deselect()
else:
self.covsOf13.select()
# Field for DPCTL listen port
Label(self.leftfieldFrame, text="dpctl port:").grid(row=5, sticky=E)
self.dpctlEntry = Entry(self.leftfieldFrame)
self.dpctlEntry.grid(row=5, column=1)
if 'dpctl' in self.prefValues:
self.dpctlEntry.insert(0, self.prefValues['dpctl'])
# sFlow
sflowValues = self.prefValues['sflow']
self.sflowFrame= LabelFrame(self.rightfieldFrame, text='sFlow Profile for Open vSwitch', padx=5, pady=5)
self.sflowFrame.grid(row=0, column=0, columnspan=2, sticky=EW)
Label(self.sflowFrame, text="Target:").grid(row=0, sticky=E)
self.sflowTarget = Entry(self.sflowFrame)
self.sflowTarget.grid(row=0, column=1)
self.sflowTarget.insert(0, sflowValues['sflowTarget'])
Label(self.sflowFrame, text="Sampling:").grid(row=1, sticky=E)
self.sflowSampling = Entry(self.sflowFrame)
self.sflowSampling.grid(row=1, column=1)
self.sflowSampling.insert(0, sflowValues['sflowSampling'])
Label(self.sflowFrame, text="Header:").grid(row=2, sticky=E)
self.sflowHeader = Entry(self.sflowFrame)
self.sflowHeader.grid(row=2, column=1)
self.sflowHeader.insert(0, sflowValues['sflowHeader'])
Label(self.sflowFrame, text="Polling:").grid(row=3, sticky=E)
self.sflowPolling = Entry(self.sflowFrame)
self.sflowPolling.grid(row=3, column=1)
self.sflowPolling.insert(0, sflowValues['sflowPolling'])
# NetFlow
nflowValues = self.prefValues['netflow']
self.nFrame= LabelFrame(self.rightfieldFrame, text='NetFlow Profile for Open vSwitch', padx=5, pady=5)
self.nFrame.grid(row=1, column=0, columnspan=2, sticky=EW)
Label(self.nFrame, text="Target:").grid(row=0, sticky=E)
self.nflowTarget = Entry(self.nFrame)
self.nflowTarget.grid(row=0, column=1)
self.nflowTarget.insert(0, nflowValues['nflowTarget'])
Label(self.nFrame, text="Active Timeout:").grid(row=1, sticky=E)
self.nflowTimeout = Entry(self.nFrame)
self.nflowTimeout.grid(row=1, column=1)
self.nflowTimeout.insert(0, nflowValues['nflowTimeout'])
Label(self.nFrame, text="Add ID to Interface:").grid(row=2, sticky=E)
self.nflowAddId = IntVar()
self.nflowAddIdButton = Checkbutton(self.nFrame, variable=self.nflowAddId)
self.nflowAddIdButton.grid(row=2, column=1, sticky=W)
if nflowValues['nflowAddId'] == '0':
self.nflowAddIdButton.deselect()
else:
self.nflowAddIdButton.select()
# initial focus
return self.ipEntry
def apply(self):
ipBase = self.ipEntry.get()
terminalType = self.terminalVar.get()
startCLI = str(self.cliStart.get())
sw = self.switchType.get()
dpctl = self.dpctlEntry.get()
ovsOf10 = str(self.ovsOf10.get())
ovsOf11 = str(self.ovsOf11.get())
ovsOf12 = str(self.ovsOf12.get())
ovsOf13 = str(self.ovsOf13.get())
sflowValues = {'sflowTarget':self.sflowTarget.get(),
'sflowSampling':self.sflowSampling.get(),
'sflowHeader':self.sflowHeader.get(),
'sflowPolling':self.sflowPolling.get()}
nflowvalues = {'nflowTarget':self.nflowTarget.get(),
'nflowTimeout':self.nflowTimeout.get(),
'nflowAddId':str(self.nflowAddId.get())}
self.result = {'ipBase':ipBase,
'terminalType':terminalType,
'dpctl':dpctl,
'sflow':sflowValues,
'netflow':nflowvalues,
'startCLI':startCLI}
if sw == 'Indigo Virtual Switch':
self.result['switchType'] = 'ivs'
if StrictVersion(MININET_VERSION) < StrictVersion('2.1'):
self.ovsOk = False
showerror(title="Error",
message='MiniNet version 2.1+ required. You have '+VERSION+'.')
elif sw == 'Userspace Switch':
self.result['switchType'] = 'user'
elif sw == 'Userspace Switch inNamespace':
self.result['switchType'] = 'userns'
else:
self.result['switchType'] = 'ovs'
self.ovsOk = True
if ovsOf11 == "1":
ovsVer = self.getOvsVersion()
if StrictVersion(ovsVer) < StrictVersion('2.0'):
self.ovsOk = False
showerror(title="Error",
message='Open vSwitch version 2.0+ required. You have '+ovsVer+'.')
if ovsOf12 == "1" or ovsOf13 == "1":
ovsVer = self.getOvsVersion()
if StrictVersion(ovsVer) < StrictVersion('1.10'):
self.ovsOk = False
showerror(title="Error",
message='Open vSwitch version 1.10+ required. You have '+ovsVer+'.')
if self.ovsOk:
self.result['openFlowVersions']={'ovsOf10':ovsOf10,
'ovsOf11':ovsOf11,
'ovsOf12':ovsOf12,
'ovsOf13':ovsOf13}
else:
self.result = None
def getOvsVersion(self):
outp = quietRun("ovs-vsctl show")
r = r'ovs_version: "(.*)"'
m = re.search(r, outp)
if m is None:
print 'Version check failed'
return None
else:
print 'Open vSwitch version is '+m.group(1)
return m.group(1)
class CustomDialog(object):
# TODO: Fix button placement and Title and window focus lock
def __init__(self, master, title):
self.top=Toplevel(master)
self.bodyFrame = Frame(self.top)
self.bodyFrame.grid(row=0, column=0, sticky='nswe')
self.body(self.bodyFrame)
#return self.b # initial focus
buttonFrame = Frame(self.top, relief='ridge', bd=3, bg='lightgrey')
buttonFrame.grid(row=1 , column=0, sticky='nswe')
okButton = Button(buttonFrame, width=8, text='OK', relief='groove',
bd=4, command=self.okAction)
okButton.grid(row=0, column=0, sticky=E)
canlceButton = Button(buttonFrame, width=8, text='Cancel', relief='groove',
bd=4, command=self.cancelAction)
canlceButton.grid(row=0, column=1, sticky=W)
def body(self, master):
self.rootFrame = master
def apply(self):
self.top.destroy()
def cancelAction(self):
self.top.destroy()
def okAction(self):
self.apply()
self.top.destroy()
class HostDialog(CustomDialog):
def __init__(self, master, title, prefDefaults):
self.prefValues = prefDefaults
self.result = None
CustomDialog.__init__(self, master, title)
def body(self, master):
self.rootFrame = master
n = Notebook(self.rootFrame)
self.propFrame = Frame(n)
self.vlanFrame = Frame(n)
self.interfaceFrame = Frame(n)
self.mountFrame = Frame(n)
n.add(self.propFrame, text='Properties')
n.add(self.vlanFrame, text='VLAN Interfaces')
n.add(self.interfaceFrame, text='External Interfaces')
n.add(self.mountFrame, text='Private Directories')
n.pack()
### TAB 1
# Field for Hostname
Label(self.propFrame, text="Hostname:").grid(row=0, sticky=E)
self.hostnameEntry = Entry(self.propFrame)
self.hostnameEntry.grid(row=0, column=1)
if 'hostname' in self.prefValues:
self.hostnameEntry.insert(0, self.prefValues['hostname'])
# Field for Switch IP
Label(self.propFrame, text="IP Address:").grid(row=1, sticky=E)
self.ipEntry = Entry(self.propFrame)
self.ipEntry.grid(row=1, column=1)
if 'ip' in self.prefValues:
self.ipEntry.insert(0, self.prefValues['ip'])
# Field for default route
Label(self.propFrame, text="Default Route:").grid(row=2, sticky=E)
self.routeEntry = Entry(self.propFrame)
self.routeEntry.grid(row=2, column=1)
if 'defaultRoute' in self.prefValues:
self.routeEntry.insert(0, self.prefValues['defaultRoute'])
# Field for CPU
Label(self.propFrame, text="Amount CPU:").grid(row=3, sticky=E)
self.cpuEntry = Entry(self.propFrame)
self.cpuEntry.grid(row=3, column=1)
if 'cpu' in self.prefValues:
self.cpuEntry.insert(0, str(self.prefValues['cpu']))
# Selection of Scheduler
if 'sched' in self.prefValues:
sched = self.prefValues['sched']
else:
sched = 'host'
self.schedVar = StringVar(self.propFrame)
self.schedOption = OptionMenu(self.propFrame, self.schedVar, "host", "cfs", "rt")
self.schedOption.grid(row=3, column=2, sticky=W)
self.schedVar.set(sched)
# Selection of Cores
Label(self.propFrame, text="Cores:").grid(row=4, sticky=E)
self.coreEntry = Entry(self.propFrame)
self.coreEntry.grid(row=4, column=1)
if 'cores' in self.prefValues:
self.coreEntry.insert(1, self.prefValues['cores'])
# Start command
Label(self.propFrame, text="Start Command:").grid(row=5, sticky=E)
self.startEntry = Entry(self.propFrame)
self.startEntry.grid(row=5, column=1, sticky='nswe', columnspan=3)
if 'startCommand' in self.prefValues:
self.startEntry.insert(0, str(self.prefValues['startCommand']))
# Stop command
Label(self.propFrame, text="Stop Command:").grid(row=6, sticky=E)
self.stopEntry = Entry(self.propFrame)
self.stopEntry.grid(row=6, column=1, sticky='nswe', columnspan=3)
if 'stopCommand' in self.prefValues:
self.stopEntry.insert(0, str(self.prefValues['stopCommand']))
### TAB 2
# External Interfaces
self.externalInterfaces = 0
Label(self.interfaceFrame, text="External Interface:").grid(row=0, column=0, sticky=E)
self.b = Button( self.interfaceFrame, text='Add', command=self.addInterface)
self.b.grid(row=0, column=1)
self.interfaceFrame = VerticalScrolledTable(self.interfaceFrame, rows=0, columns=1, title='External Interfaces')
self.interfaceFrame.grid(row=1, column=0, sticky='nswe', columnspan=2)
self.tableFrame = self.interfaceFrame.interior
self.tableFrame.addRow(value=['Interface Name'], readonly=True)
# Add defined interfaces
externalInterfaces = []
if 'externalInterfaces' in self.prefValues:
externalInterfaces = self.prefValues['externalInterfaces']
for externalInterface in externalInterfaces:
self.tableFrame.addRow(value=[externalInterface])
### TAB 3
# VLAN Interfaces
self.vlanInterfaces = 0
Label(self.vlanFrame, text="VLAN Interface:").grid(row=0, column=0, sticky=E)
self.vlanButton = Button( self.vlanFrame, text='Add', command=self.addVlanInterface)
self.vlanButton.grid(row=0, column=1)
self.vlanFrame = VerticalScrolledTable(self.vlanFrame, rows=0, columns=2, title='VLAN Interfaces')
self.vlanFrame.grid(row=1, column=0, sticky='nswe', columnspan=2)
self.vlanTableFrame = self.vlanFrame.interior
self.vlanTableFrame.addRow(value=['IP Address','VLAN ID'], readonly=True)
vlanInterfaces = []
if 'vlanInterfaces' in self.prefValues:
vlanInterfaces = self.prefValues['vlanInterfaces']
for vlanInterface in vlanInterfaces:
self.vlanTableFrame.addRow(value=vlanInterface)
### TAB 4
# Private Directories
self.privateDirectories = 0
Label(self.mountFrame, text="Private Directory:").grid(row=0, column=0, sticky=E)
self.mountButton = Button( self.mountFrame, text='Add', command=self.addDirectory)
self.mountButton.grid(row=0, column=1)
self.mountFrame = VerticalScrolledTable(self.mountFrame, rows=0, columns=2, title='Directories')
self.mountFrame.grid(row=1, column=0, sticky='nswe', columnspan=2)
self.mountTableFrame = self.mountFrame.interior
self.mountTableFrame.addRow(value=['Mount','Persistent Directory'], readonly=True)
directoryList = []
if 'privateDirectory' in self.prefValues:
directoryList = self.prefValues['privateDirectory']
for privateDir in directoryList:
if isinstance( privateDir, tuple ):
self.mountTableFrame.addRow(value=privateDir)
else:
self.mountTableFrame.addRow(value=[privateDir,''])
def addDirectory( self ):
self.mountTableFrame.addRow()
def addVlanInterface( self ):
self.vlanTableFrame.addRow()
def addInterface( self ):
self.tableFrame.addRow()
def apply(self):
externalInterfaces = []
for row in range(self.tableFrame.rows):
if (len(self.tableFrame.get(row, 0)) > 0 and
row > 0):
externalInterfaces.append(self.tableFrame.get(row, 0))
vlanInterfaces = []
for row in range(self.vlanTableFrame.rows):
if (len(self.vlanTableFrame.get(row, 0)) > 0 and
len(self.vlanTableFrame.get(row, 1)) > 0 and
row > 0):
vlanInterfaces.append([self.vlanTableFrame.get(row, 0), self.vlanTableFrame.get(row, 1)])
privateDirectories = []
for row in range(self.mountTableFrame.rows):
if (len(self.mountTableFrame.get(row, 0)) > 0 and row > 0):
if(len(self.mountTableFrame.get(row, 1)) > 0):
privateDirectories.append((self.mountTableFrame.get(row, 0), self.mountTableFrame.get(row, 1)))
else:
privateDirectories.append(self.mountTableFrame.get(row, 0))
results = {'cpu': self.cpuEntry.get(),
'cores':self.coreEntry.get(),
'sched':self.schedVar.get(),
'hostname':self.hostnameEntry.get(),
'ip':self.ipEntry.get(),
'defaultRoute':self.routeEntry.get(),
'startCommand':self.startEntry.get(),
'stopCommand':self.stopEntry.get(),
'privateDirectory':privateDirectories,
'externalInterfaces':externalInterfaces,
'vlanInterfaces':vlanInterfaces}
self.result = results
class SwitchDialog(CustomDialog):
def __init__(self, master, title, prefDefaults):
self.prefValues = prefDefaults
self.result = None
CustomDialog.__init__(self, master, title)
def body(self, master):
self.rootFrame = master
self.leftfieldFrame = Frame(self.rootFrame)
self.rightfieldFrame = Frame(self.rootFrame)
self.leftfieldFrame.grid(row=0, column=0, sticky='nswe')
self.rightfieldFrame.grid(row=0, column=1, sticky='nswe')
rowCount = 0
externalInterfaces = []
if 'externalInterfaces' in self.prefValues:
externalInterfaces = self.prefValues['externalInterfaces']
# Field for Hostname
Label(self.leftfieldFrame, text="Hostname:").grid(row=rowCount, sticky=E)
self.hostnameEntry = Entry(self.leftfieldFrame)
self.hostnameEntry.grid(row=rowCount, column=1)
self.hostnameEntry.insert(0, self.prefValues['hostname'])
rowCount+=1
# Field for DPID
Label(self.leftfieldFrame, text="DPID:").grid(row=rowCount, sticky=E)
self.dpidEntry = Entry(self.leftfieldFrame)
self.dpidEntry.grid(row=rowCount, column=1)
if 'dpid' in self.prefValues:
self.dpidEntry.insert(0, self.prefValues['dpid'])
rowCount+=1
# Field for Netflow
Label(self.leftfieldFrame, text="Enable NetFlow:").grid(row=rowCount, sticky=E)
self.nflow = IntVar()
self.nflowButton = Checkbutton(self.leftfieldFrame, variable=self.nflow)
self.nflowButton.grid(row=rowCount, column=1, sticky=W)
if 'netflow' in self.prefValues:
if self.prefValues['netflow'] == '0':
self.nflowButton.deselect()
else:
self.nflowButton.select()
else:
self.nflowButton.deselect()
rowCount+=1
# Field for sflow
Label(self.leftfieldFrame, text="Enable sFlow:").grid(row=rowCount, sticky=E)
self.sflow = IntVar()
self.sflowButton = Checkbutton(self.leftfieldFrame, variable=self.sflow)
self.sflowButton.grid(row=rowCount, column=1, sticky=W)
if 'sflow' in self.prefValues:
if self.prefValues['sflow'] == '0':
self.sflowButton.deselect()
else:
self.sflowButton.select()
else:
self.sflowButton.deselect()
rowCount+=1
# Selection of switch type
Label(self.leftfieldFrame, text="Switch Type:").grid(row=rowCount, sticky=E)
self.switchType = StringVar(self.leftfieldFrame)
self.switchTypeMenu = OptionMenu(self.leftfieldFrame, self.switchType, "Default", "Open vSwitch Kernel Mode", "Indigo Virtual Switch", "Userspace Switch", "Userspace Switch inNamespace")
self.switchTypeMenu.grid(row=rowCount, column=1, sticky=W)
if 'switchType' in self.prefValues:
switchTypePref = self.prefValues['switchType']
if switchTypePref == 'ivs':
self.switchType.set("Indigo Virtual Switch")
elif switchTypePref == 'userns':
self.switchType.set("Userspace Switch inNamespace")
elif switchTypePref == 'user':
self.switchType.set("Userspace Switch")
elif switchTypePref == 'ovs':
self.switchType.set("Open vSwitch Kernel Mode")
else:
self.switchType.set("Default")
else:
self.switchType.set("Default")
rowCount+=1
# Field for Switch IP
Label(self.leftfieldFrame, text="IP Address:").grid(row=rowCount, sticky=E)
self.ipEntry = Entry(self.leftfieldFrame)
self.ipEntry.grid(row=rowCount, column=1)
if 'switchIP' in self.prefValues:
self.ipEntry.insert(0, self.prefValues['switchIP'])
rowCount+=1
# Field for DPCTL port
Label(self.leftfieldFrame, text="DPCTL port:").grid(row=rowCount, sticky=E)
self.dpctlEntry = Entry(self.leftfieldFrame)
self.dpctlEntry.grid(row=rowCount, column=1)
if 'dpctl' in self.prefValues:
self.dpctlEntry.insert(0, self.prefValues['dpctl'])
rowCount+=1
# External Interfaces
Label(self.rightfieldFrame, text="External Interface:").grid(row=0, sticky=E)
self.b = Button( self.rightfieldFrame, text='Add', command=self.addInterface)
self.b.grid(row=0, column=1)
self.interfaceFrame = VerticalScrolledTable(self.rightfieldFrame, rows=0, columns=1, title='External Interfaces')
self.interfaceFrame.grid(row=1, column=0, sticky='nswe', columnspan=2)
self.tableFrame = self.interfaceFrame.interior
# Add defined interfaces
for externalInterface in externalInterfaces:
self.tableFrame.addRow(value=[externalInterface])
self.commandFrame = Frame(self.rootFrame)
self.commandFrame.grid(row=1, column=0, sticky='nswe', columnspan=2)
self.commandFrame.columnconfigure(1, weight=1)
# Start command
Label(self.commandFrame, text="Start Command:").grid(row=0, column=0, sticky=W)
self.startEntry = Entry(self.commandFrame)
self.startEntry.grid(row=0, column=1, sticky='nsew')
if 'startCommand' in self.prefValues:
self.startEntry.insert(0, str(self.prefValues['startCommand']))
# Stop command
Label(self.commandFrame, text="Stop Command:").grid(row=1, column=0, sticky=W)
self.stopEntry = Entry(self.commandFrame)
self.stopEntry.grid(row=1, column=1, sticky='nsew')
if 'stopCommand' in self.prefValues:
self.stopEntry.insert(0, str(self.prefValues['stopCommand']))
def addInterface( self ):
self.tableFrame.addRow()
def defaultDpid( self ,name):
"Derive dpid from switch name, s1 -> 1"
try:
dpid = int( re.findall( r'\d+', name )[ 0 ] )
dpid = hex( dpid )[ 2: ]
return dpid
except IndexError:
return None
#raise Exception( 'Unable to derive default datapath ID - '
# 'please either specify a dpid or use a '
# 'canonical switch name such as s23.' )
def apply(self):
externalInterfaces = []
for row in range(self.tableFrame.rows):
#print 'Interface is ' + self.tableFrame.get(row, 0)
if (len(self.tableFrame.get(row, 0)) > 0):
externalInterfaces.append(self.tableFrame.get(row, 0))
dpid = self.dpidEntry.get()
if (self.defaultDpid(self.hostnameEntry.get()) is None
and len(dpid) == 0):
showerror(title="Error",
message= 'Unable to derive default datapath ID - '
'please either specify a DPID or use a '
'canonical switch name such as s23.' )
results = {'externalInterfaces':externalInterfaces,
'hostname':self.hostnameEntry.get(),
'dpid':dpid,
'startCommand':self.startEntry.get(),
'stopCommand':self.stopEntry.get(),
'sflow':str(self.sflow.get()),
'netflow':str(self.nflow.get()),
'dpctl':self.dpctlEntry.get(),
'switchIP':self.ipEntry.get()}
sw = self.switchType.get()
if sw == 'Indigo Virtual Switch':
results['switchType'] = 'ivs'
if StrictVersion(MININET_VERSION) < StrictVersion('2.1'):
self.ovsOk = False
showerror(title="Error",
message='MiniNet version 2.1+ required. You have '+VERSION+'.')
elif sw == 'Userspace Switch inNamespace':
results['switchType'] = 'userns'
elif sw == 'Userspace Switch':
results['switchType'] = 'user'
elif sw == 'Open vSwitch Kernel Mode':
results['switchType'] = 'ovs'
else:
results['switchType'] = 'default'
self.result = results
class VerticalScrolledTable(LabelFrame):
"""A pure Tkinter scrollable frame that actually works!
* Use the 'interior' attribute to place widgets inside the scrollable frame
* Construct and pack/place/grid normally
* This frame only allows vertical scrolling
"""
def __init__(self, parent, rows=2, columns=2, title=None, *args, **kw):
LabelFrame.__init__(self, parent, text=title, padx=5, pady=5, *args, **kw)
# create a canvas object and a vertical scrollbar for scrolling it
vscrollbar = Scrollbar(self, orient=VERTICAL)
vscrollbar.pack(fill=Y, side=RIGHT, expand=FALSE)
canvas = Canvas(self, bd=0, highlightthickness=0,
yscrollcommand=vscrollbar.set)
canvas.pack(side=LEFT, fill=BOTH, expand=TRUE)
vscrollbar.config(command=canvas.yview)
# reset the view
canvas.xview_moveto(0)
canvas.yview_moveto(0)
# create a frame inside the canvas which will be scrolled with it
self.interior = interior = TableFrame(canvas, rows=rows, columns=columns)
interior_id = canvas.create_window(0, 0, window=interior,
anchor=NW)
# track changes to the canvas and frame width and sync them,
# also updating the scrollbar
def _configure_interior(event):
# update the scrollbars to match the size of the inner frame
size = (interior.winfo_reqwidth(), interior.winfo_reqheight())
canvas.config(scrollregion="0 0 %s %s" % size)
if interior.winfo_reqwidth() != canvas.winfo_width():
# update the canvas's width to fit the inner frame
canvas.config(width=interior.winfo_reqwidth())
interior.bind('<Configure>', _configure_interior)
def _configure_canvas(event):
if interior.winfo_reqwidth() != canvas.winfo_width():
# update the inner frame's width to fill the canvas
canvas.itemconfigure(interior_id, width=canvas.winfo_width())
canvas.bind('<Configure>', _configure_canvas)
return
class TableFrame(Frame):
def __init__(self, parent, rows=2, columns=2):
Frame.__init__(self, parent, background="black")
self._widgets = []
self.rows = rows
self.columns = columns
for row in range(rows):
current_row = []
for column in range(columns):
label = Entry(self, borderwidth=0)
label.grid(row=row, column=column, sticky="wens", padx=1, pady=1)
current_row.append(label)
self._widgets.append(current_row)
def set(self, row, column, value):
widget = self._widgets[row][column]
widget.insert(0, value)
def get(self, row, column):
widget = self._widgets[row][column]
return widget.get()
def addRow( self, value=None, readonly=False ):
#print "Adding row " + str(self.rows +1)
current_row = []
for column in range(self.columns):
label = Entry(self, borderwidth=0)
label.grid(row=self.rows, column=column, sticky="wens", padx=1, pady=1)
if value is not None:
label.insert(0, value[column])
if (readonly == True):
label.configure(state='readonly')
current_row.append(label)
self._widgets.append(current_row)
self.update_idletasks()
self.rows += 1
class LinkDialog(tkSimpleDialog.Dialog):
def __init__(self, parent, title, linkDefaults):
self.linkValues = linkDefaults
tkSimpleDialog.Dialog.__init__(self, parent, title)
def body(self, master):
self.var = StringVar(master)
Label(master, text="Bandwidth:").grid(row=0, sticky=E)
self.e1 = Entry(master)
self.e1.grid(row=0, column=1)
Label(master, text="Mbit").grid(row=0, column=2, sticky=W)
if 'bw' in self.linkValues:
self.e1.insert(0,str(self.linkValues['bw']))
Label(master, text="Delay:").grid(row=1, sticky=E)
self.e2 = Entry(master)
self.e2.grid(row=1, column=1)
if 'delay' in self.linkValues:
self.e2.insert(0, self.linkValues['delay'])
Label(master, text="Loss:").grid(row=2, sticky=E)
self.e3 = Entry(master)
self.e3.grid(row=2, column=1)
Label(master, text="%").grid(row=2, column=2, sticky=W)
if 'loss' in self.linkValues:
self.e3.insert(0, str(self.linkValues['loss']))
Label(master, text="Max Queue size:").grid(row=3, sticky=E)
self.e4 = Entry(master)
self.e4.grid(row=3, column=1)
if 'max_queue_size' in self.linkValues:
self.e4.insert(0, str(self.linkValues['max_queue_size']))
Label(master, text="Jitter:").grid(row=4, sticky=E)
self.e5 = Entry(master)
self.e5.grid(row=4, column=1)
if 'jitter' in self.linkValues:
self.e5.insert(0, self.linkValues['jitter'])
Label(master, text="Speedup:").grid(row=5, sticky=E)
self.e6 = Entry(master)
self.e6.grid(row=5, column=1)
if 'speedup' in self.linkValues:
self.e6.insert(0, str(self.linkValues['speedup']))
return self.e1 # initial focus
def apply(self):
self.result = {}
if (len(self.e1.get()) > 0):
self.result['bw'] = int(self.e1.get())
if (len(self.e2.get()) > 0):
self.result['delay'] = self.e2.get()
if (len(self.e3.get()) > 0):
self.result['loss'] = int(self.e3.get())
if (len(self.e4.get()) > 0):
self.result['max_queue_size'] = int(self.e4.get())
if (len(self.e5.get()) > 0):
self.result['jitter'] = self.e5.get()
if (len(self.e6.get()) > 0):
self.result['speedup'] = int(self.e6.get())
class ControllerDialog(tkSimpleDialog.Dialog):
def __init__(self, parent, title, ctrlrDefaults=None):
if ctrlrDefaults:
self.ctrlrValues = ctrlrDefaults
tkSimpleDialog.Dialog.__init__(self, parent, title)
def body(self, master):
self.var = StringVar(master)
self.protcolvar = StringVar(master)
rowCount=0
# Field for Hostname
Label(master, text="Name:").grid(row=rowCount, sticky=E)
self.hostnameEntry = Entry(master)
self.hostnameEntry.grid(row=rowCount, column=1)
self.hostnameEntry.insert(0, self.ctrlrValues['hostname'])
rowCount+=1
# Field for Remove Controller Port
Label(master, text="Controller Port:").grid(row=rowCount, sticky=E)
self.e2 = Entry(master)
self.e2.grid(row=rowCount, column=1)
self.e2.insert(0, self.ctrlrValues['remotePort'])
rowCount+=1
# Field for Controller Type
Label(master, text="Controller Type:").grid(row=rowCount, sticky=E)
controllerType = self.ctrlrValues['controllerType']
self.o1 = OptionMenu(master, self.var, "Remote Controller", "In-Band Controller", "OpenFlow Reference", "OVS Controller")
self.o1.grid(row=rowCount, column=1, sticky=W)
if controllerType == 'ref':
self.var.set("OpenFlow Reference")
elif controllerType == 'inband':
self.var.set("In-Band Controller")
elif controllerType == 'remote':
self.var.set("Remote Controller")
else:
self.var.set("OVS Controller")
rowCount+=1
# Field for Controller Protcol
Label(master, text="Protocol:").grid(row=rowCount, sticky=E)
if 'controllerProtocol' in self.ctrlrValues: