blob: e8f6caa13d6fdc6d706e493b873be8b37e074357 [file] [log] [blame]
#!/usr/bin/env python
'''
Created on 26-Oct-2012
@author: Anil Kumar (anilkumar.s@paxterrasolutions.com)
TestON is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TestON is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TestON. If not, see <http://www.gnu.org/licenses/>.
MininetCliDriver is the basic driver which will handle the Mininet functions
'''
import traceback
import pexpect
import struct
import fcntl
import os
import signal
import re
import sys
import core.teston
sys.path.append("../")
from drivers.common.cli.emulatordriver import Emulator
from drivers.common.clidriver import CLI
class MininetCliDriver(Emulator):
'''
MininetCliDriver is the basic driver which will handle the Mininet functions
'''
def __init__(self):
super(Emulator, self).__init__()
self.handle = self
self.wrapped = sys.modules[__name__]
self.flag = 0
def connect(self, **connectargs):
'''
Here the main is the TestON instance after creating all the log handles.
'''
for key in connectargs:
vars(self)[key] = connectargs[key]
self.name = self.options['name']
self.handle = super(MininetCliDriver, self).connect(user_name = self.user_name, ip_address = self.ip_address,port = None, pwd = self.pwd)
self.ssh_handle = self.handle
if self.handle :
main.log.info(self.name+": Clearing any residual state or processes")
self.handle.sendline("sudo mn -c")
i=self.handle.expect(['password\sfor\s','Cleanup\scomplete',pexpect.EOF,pexpect.TIMEOUT],120)
if i==0:
main.log.info(self.name+": Sending sudo password")
self.handle.sendline(self.pwd)
i=self.handle.expect(['%s:'%(self.user),'\$',pexpect.EOF,pexpect.TIMEOUT],120)
if i==1:
main.log.info(self.name+": Clean")
elif i==2:
main.log.error(self.name+": Connection terminated")
elif i==3: #timeout
main.log.error(self.name+": Something while cleaning MN took too long... " )
main.log.info(self.name+": building fresh mininet")
#### for reactive/PARP enabled tests
cmdString = "sudo mn " + self.options['arg1'] + " " + self.options['arg2'] + " --mac --controller " + self.options['controller']
#### for proactive flow with static ARP entries
#cmdString = "sudo mn " + self.options['arg1'] + " " + self.options['arg2'] + " --mac --arp --controller " + self.options['controller']
self.handle.sendline(cmdString)
self.handle.expect(["sudo mn",pexpect.EOF,pexpect.TIMEOUT])
while 1:
i=self.handle.expect(['mininet>','\*\*\*','Exception',pexpect.EOF,pexpect.TIMEOUT],300)
if i==0:
main.log.info(self.name+": mininet built")
return main.TRUE
if i==1:
self.handle.expect(["\n",pexpect.EOF,pexpect.TIMEOUT])
main.log.info(self.handle.before)
elif i==2:
main.log.error(self.name+": Launching mininet failed...")
return main.FALSE
elif i==3:
main.log.error(self.name+": Connection timeout")
return main.FALSE
elif i==4: #timeout
main.log.error(self.name+": Something took too long... " )
return main.FALSE
#if utilities.assert_matches(expect=patterns,actual=resultCommand,onpass="Network is being launched",onfail="Network launching is being failed "):
return main.TRUE
else:#if no handle
main.log.error(self.name+": Connection failed to the host "+self.user_name+"@"+self.ip_address)
main.log.error(self.name+": Failed to connect to the Mininet")
return main.FALSE
def pingall(self):
'''
Verifies the reachability of the hosts using pingall command.
'''
if self.handle :
main.log.info(self.name+": Checking reachabilty to the hosts using pingall")
try:
response = self.execute(cmd="pingall",prompt="mininet>",timeout=120)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
pattern = 'Results\:\s0\%\sdropped\s\(0\/\d+\slost\)\s*$'
#if utilities.assert_matches(expect=pattern,actual=response,onpass="All hosts are reaching",onfail="Unable to reach all the hosts"):
if re.search(pattern,response):
main.log.info(self.name+": All hosts are reachable")
return main.TRUE
else:
main.log.error(self.name+": Unable to reach all the hosts")
return main.FALSE
else :
main.log.error(self.name+": Connection failed to the host")
return main.FALSE
def fpingHost(self,**pingParams):
'''
Uses the fping package for faster pinging...
*requires fping to be installed on machine running mininet
'''
args = utilities.parse_args(["SRC","TARGET"],**pingParams)
command = args["SRC"] + " fping -i 100 -t 20 -C 1 -q "+args["TARGET"]
self.handle.sendline(command)
self.handle.expect([args["TARGET"],pexpect.EOF,pexpect.TIMEOUT])
self.handle.expect(["mininet",pexpect.EOF,pexpect.TIMEOUT])
response = self.handle.before
if re.search(":\s-" ,response):
main.log.info(self.name+": Ping fail")
return main.FALSE
elif re.search(":\s\d{1,2}\.\d\d", response):
main.log.info(self.name+": Ping good!")
return main.TRUE
main.log.info(self.name+": Install fping on mininet machine... ")
main.log.info(self.name+": \n---\n"+response)
return main.FALSE
def pingHost(self,**pingParams):
'''
Ping from one mininet host to another
Currently the only supported Params: SRC and TARGET
'''
args = utilities.parse_args(["SRC","TARGET"],**pingParams)
#command = args["SRC"] + " ping -" + args["CONTROLLER"] + " " +args ["TARGET"]
command = args["SRC"] + " ping "+args ["TARGET"]+" -c 1 -i 1 -W 8"
try:
main.log.warn("Sending: " + command)
#response = self.execute(cmd=command,prompt="mininet",timeout=10 )
self.handle.sendline(command)
i = self.handle.expect([command,pexpect.TIMEOUT])
if i == 1:
main.log.error(self.name + ": timeout when waiting for response from mininet")
main.log.error("response: " + str(self.handle.before))
i = self.handle.expect(["mininet>",pexpect.TIMEOUT])
if i == 1:
main.log.error(self.name + ": timeout when waiting for response from mininet")
main.log.error("response: " + str(self.handle.before))
response = self.handle.before
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
main.log.info(self.name+": Ping Response: "+ response )
#if utilities.assert_matches(expect=',\s0\%\spacket\sloss',actual=response,onpass="No Packet loss",onfail="Host is not reachable"):
if re.search(',\s0\%\spacket\sloss',response):
main.log.info(self.name+": no packets lost, host is reachable")
main.last_result = main.TRUE
return main.TRUE
else :
main.log.error(self.name+": PACKET LOST, HOST IS NOT REACHABLE")
main.last_result = main.FALSE
return main.FALSE
def checkIP(self,host):
'''
Verifies the host's ip configured or not.
'''
self.handle.sendline("")
if self.handle :
try:
response = self.execute(cmd=host+" ifconfig",prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
pattern = "inet\s(addr|Mask):([0-1]{1}[0-9]{1,2}|2[0-4][0-9]|25[0-5]|[0-9]{1,2}).([0-1]{1}[0-9]{1,2}|2[0-4][0-9]|25[0-5]|[0-9]{1,2}).([0-1]{1}[0-9]{1,2}|2[0-4][0-9]|25[0-5]|[0-9]{1,2}).([0-1]{1}[0-9]{1,2}|2[0-4][0-9]|25[0-5]|[0-9]{1,2})"
#pattern = "inet addr:10.0.0.6"
#if utilities.assert_matches(expect=pattern,actual=response,onpass="Host Ip configured properly",onfail="Host IP not found") :
if re.search(pattern,response):
main.log.info(self.name+": Host Ip configured properly")
return main.TRUE
else:
main.log.error(self.name+": Host IP not found")
return main.FALSE
else :
main.log.error(self.name+": Connection failed to the host")
def verifySSH(self,**connectargs):
try:
response = self.execute(cmd="h1 /usr/sbin/sshd -D&",prompt="mininet>",timeout=10)
response = self.execute(cmd="h4 /usr/sbin/sshd -D&",prompt="mininet>",timeout=10)
for key in connectargs:
vars(self)[key] = connectargs[key]
response = self.execute(cmd="xterm h1 h4 ",prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
import time
time.sleep(20)
if self.flag == 0:
self.flag = 1
return main.FALSE
else :
return main.TRUE
def getMacAddress(self,host):
'''
Verifies the host's ip configured or not.
'''
if self.handle :
try:
response = self.execute(cmd=host+" ifconfig",prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
pattern = r'HWaddr\s([0-9A-F]{2}[:-]){5}([0-9A-F]{2})'
mac_address_search = re.search(pattern, response, re.I)
mac_address = mac_address_search.group().split(" ")[1]
main.log.info(self.name+": Mac-Address of Host "+ host + " is " + mac_address)
return mac_address
else :
main.log.error(self.name+": Connection failed to the host")
def getInterfaceMACAddress(self,host, interface):
'''
Return the IP address of the interface on the given host
'''
if self.handle :
try:
response = self.execute(cmd=host+" ifconfig " + interface,
prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
pattern = r'HWaddr\s([0-9A-F]{2}[:-]){5}([0-9A-F]{2})'
mac_address_search = re.search(pattern, response, re.I)
if mac_address_search is None:
main.log.info("No mac address found in %s" % response)
return main.FALSE
mac_address = mac_address_search.group().split(" ")[1]
main.log.info("Mac-Address of "+ host + ":"+ interface + " is " + mac_address)
return mac_address
else:
main.log.error("Connection failed to the host")
def getIPAddress(self,host):
'''
Verifies the host's ip configured or not.
'''
if self.handle :
try:
response = self.execute(cmd=host+" ifconfig",prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
pattern = "inet\saddr:(\d+\.\d+\.\d+\.\d+)"
ip_address_search = re.search(pattern, response)
main.log.info(self.name+": IP-Address of Host "+host +" is "+ip_address_search.group(1))
return ip_address_search.group(1)
else :
main.log.error(self.name+": Connection failed to the host")
def getSwitchDPID(self,switch):
'''
return the datapath ID of the switch
'''
if self.handle :
cmd = "py %s.dpid" % switch
try:
response = self.execute(cmd=cmd,prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
pattern = r'^(?P<dpid>\d)+'
result = re.search(pattern, response, re.MULTILINE)
if result is None:
main.log.info("Couldn't find DPID for switch '', found: %s" % (switch, response))
return main.FALSE
return str(result.group(0))
else:
main.log.error("Connection failed to the host")
def getInterfaces(self, node):
'''
return information dict about interfaces connected to the node
'''
if self.handle :
cmd = 'py "\\n".join(["name=%s,mac=%s,ip=%s,isUp=%s" % (i.name, i.MAC(), i.IP(), i.isUp())'
cmd += ' for i in %s.intfs.values()])' % node
try:
response = self.execute(cmd=cmd,prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
else:
main.log.error("Connection failed to the node")
def dump(self):
main.log.info(self.name+": Dump node info")
try:
response = self.execute(cmd = 'dump',prompt = 'mininet>',timeout = 10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
def intfs(self):
main.log.info(self.name+": List interfaces")
try:
response = self.execute(cmd = 'intfs',prompt = 'mininet>',timeout = 10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
def net(self):
main.log.info(self.name+": List network connections")
try:
response = self.execute(cmd = 'net',prompt = 'mininet>',timeout = 10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
def iperf(self):
main.log.info(self.name+": Simple iperf TCP test between two (optionally specified) hosts")
try:
response = self.execute(cmd = 'iperf',prompt = 'mininet>',timeout = 10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
def iperfudp(self):
main.log.info(self.name+": Simple iperf TCP test between two (optionally specified) hosts")
try:
response = self.execute(cmd = 'iperfudp',prompt = 'mininet>',timeout = 10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
def nodes(self):
main.log.info(self.name+": List all nodes.")
try:
response = self.execute(cmd = 'nodes',prompt = 'mininet>',timeout = 10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return response
def pingpair(self):
main.log.info(self.name+": Ping between first two hosts")
try:
response = self.execute(cmd = 'pingpair',prompt = 'mininet>',timeout = 20)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
#if utilities.assert_matches(expect='0% packet loss',actual=response,onpass="No Packet loss",onfail="Hosts not reachable"):
if re.search(',\s0\%\spacket\sloss',response):
main.log.info(self.name+": Ping between two hosts SUCCESSFUL")
main.last_result = main.TRUE
return main.TRUE
else :
main.log.error(self.name+": PACKET LOST, HOSTS NOT REACHABLE")
main.last_result = main.FALSE
return main.FALSE
def link(self,**linkargs):
'''
Bring link(s) between two nodes up or down
'''
main.log.info('Bring link(s) between two nodes up or down')
args = utilities.parse_args(["END1","END2","OPTION"],**linkargs)
end1 = args["END1"] if args["END1"] != None else ""
end2 = args["END2"] if args["END2"] != None else ""
option = args["OPTION"] if args["OPTION"] != None else ""
command = "link "+str(end1) + " " + str(end2)+ " " + str(option)
try:
#response = self.execute(cmd=command,prompt="mininet>",timeout=10)
self.handle.sendline(command)
self.handle.expect("mininet>")
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return main.TRUE
def yank(self,**yankargs):
'''
yank a mininet switch interface to a host
'''
main.log.info('Yank the switch interface attached to a host')
args = utilities.parse_args(["SW","INTF"],**yankargs)
sw = args["SW"] if args["SW"] !=None else ""
intf = args["INTF"] if args["INTF"] != None else ""
command = "py "+ str(sw) + '.detach("' + str(intf) + '")'
try:
response = self.execute(cmd=command,prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return main.TRUE
def plug(self, **plugargs):
'''
plug the yanked mininet switch interface to a switch
'''
main.log.info('Plug the switch interface attached to a switch')
args = utilities.parse_args(["SW","INTF"],**plugargs)
sw = args["SW"] if args["SW"] !=None else ""
intf = args["INTF"] if args["INTF"] != None else ""
command = "py "+ str(sw) + '.attach("' + str(intf) + '")'
try:
response = self.execute(cmd=command,prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return main.TRUE
def dpctl(self,**dpctlargs):
'''
Run dpctl command on all switches.
'''
main.log.info('Run dpctl command on all switches')
args = utilities.parse_args(["CMD","ARGS"],**dpctlargs)
cmd = args["CMD"] if args["CMD"] != None else ""
cmdargs = args["ARGS"] if args["ARGS"] != None else ""
command = "dpctl "+cmd + " " + str(cmdargs)
try:
response = self.execute(cmd=command,prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
return main.TRUE
def get_version(self):
file_input = path+'/lib/Mininet/INSTALL'
version = super(Mininet, self).get_version()
pattern = 'Mininet\s\w\.\w\.\w\w*'
for line in open(file_input,'r').readlines():
result = re.match(pattern, line)
if result:
version = result.group(0)
return version
def get_sw_controller_sanity(self, sw):
command = "sh ovs-vsctl get-controller "+str(sw)
try:
response = self.execute(cmd=command,prompt="mininet>",timeout=10)
if response:
return main.TRUE
else:
return main.FALSE
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
else:
main.log.info(response)
def get_sw_controller(self,sw):
command = "sh ovs-vsctl get-controller "+str(sw)
try:
self.handle.expect("mininet")
response = self.execute(cmd=command,prompt="mininet>",timeout=10)
print(response)
if response:
print("**********************")
return response
else:
return main.FALSE
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
else:
main.log.info(response)
def assign_sw_controller(self,**kwargs):
'''
count is only needed if there is more than 1 controller
'''
args = utilities.parse_args(["COUNT"],**kwargs)
count = args["COUNT"] if args!={} else 1
argstring = "SW"
for j in range(count):
argstring = argstring + ",IP" + str(j+1) + ",PORT" + str(j+1)
args = utilities.parse_args(argstring.split(","),**kwargs)
sw = args["SW"] if args["SW"] != None else ""
ptcpA = int(args["PORT1"])+int(sw) if args["PORT1"] != None else ""
ptcpB = "ptcp:"+str(ptcpA) if ptcpA != "" else ""
command = "sh ovs-vsctl set-controller s" + str(sw) + " " + ptcpB + " "
for j in range(count):
i=j+1
args = utilities.parse_args(["IP"+str(i),"PORT"+str(i)],**kwargs)
ip = args["IP"+str(i)] if args["IP"+str(i)] != None else ""
port = args["PORT" + str(i)] if args["PORT" + str(i)] != None else ""
tcp = "tcp:" + str(ip) + ":" + str(port) + " " if ip != "" else ""
command = command + tcp
try:
self.execute(cmd=command,prompt="mininet>",timeout=5)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
except:
main.log.info(self.name + ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.log.error( traceback.print_exc() )
main.log.info(":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.cleanup()
main.exit()
def delete_sw_controller(self,sw):
'''
Removes the controller target from sw
'''
command = "sh ovs-vsctl del-controller "+str(sw)
try:
response = self.execute(cmd=command,prompt="mininet>",timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
else:
main.log.info(response)
def disconnect(self):
main.log.info(self.name+": Disconnecting mininet...")
response = ''
if self.handle:
try:
response = self.execute(cmd="exit",prompt="(.*)",timeout=120)
response = self.execute(cmd="exit",prompt="(.*)",timeout=120)
self.handle.sendline("sudo mn -c")
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
else :
main.log.error(self.name+": Connection failed to the host")
response = main.FALSE
return response
def arping(self, src, dest, destmac):
self.handle.sendline('')
self.handle.expect(["mininet",pexpect.EOF,pexpect.TIMEOUT])
self.handle.sendline(src + ' arping ' + dest)
try:
self.handle.expect([destmac,pexpect.EOF,pexpect.TIMEOUT])
main.log.info(self.name+": ARP successful")
self.handle.expect(["mininet",pexpect.EOF,pexpect.TIMEOUT])
return main.TRUE
except:
main.log.warn(self.name+": ARP FAILURE")
self.handle.expect(["mininet",pexpect.EOF,pexpect.TIMEOUT])
return main.FALSE
def decToHex(num):
return hex(num).split('x')[1]
def getSwitchFlowCount(self, switch):
'''
return the Flow Count of the switch
'''
if self.handle:
cmd = "sh ovs-ofctl dump-aggregate %s" % switch
try:
response = self.execute(cmd=cmd, prompt="mininet>", timeout=10)
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + " " + self.handle.before)
main.cleanup()
main.exit()
pattern = "flow_count=(\d+)"
result = re.search(pattern, response, re.MULTILINE)
if result is None:
print "no flow on switch print test"
main.log.info("Couldn't find flows on switch '', found: %s" % (switch, response))
return main.FALSE
return result.group(1)
else:
main.log.error("Connection failed to the Mininet host")
def check_flows(self, sw):
command = "sh ovs-ofctl dump-flows "+str(sw)
try:
response=self.execute(cmd=command,prompt="mininet>",timeout=10)
return response
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
else:
main.log.info(response)
def start_tcpdump(self, filename, intf = "eth0", port = "port 6633"):
'''
Runs tpdump on an intferface and saves the file
intf can be specified, or the default eth0 is used
'''
try:
self.handle.sendline("")
self.handle.expect("mininet>")
self.handle.sendline("sh sudo tcpdump -n -i "+ intf + " " + port + " -w " + filename.strip() + " &")
self.handle.sendline("")
self.handle.sendline("")
i=self.handle.expect(['No\ssuch\device','listening\son',pexpect.TIMEOUT,"mininet>"],timeout=10)
main.log.warn(self.handle.before + self.handle.after)
if i == 0:
main.log.error(self.name + ": tcpdump - No such device exists. tcpdump attempted on: " + intf)
return main.FALSE
elif i == 1:
main.log.info(self.name + ": tcpdump started on " + intf)
return main.TRUE
elif i == 2:
main.log.error(self.name + ": tcpdump command timed out! Check interface name, given interface was: " + intf)
return main.FALSE
elif i ==3:
main.log.info(self.name +": " + self.handle.before)
return main.TRUE
else:
main.log.error(self.name + ": tcpdump - unexpected response")
return main.FALSE
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
except:
main.log.info(self.name + ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.log.error( traceback.print_exc() )
main.log.info(":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.cleanup()
main.exit()
def stop_tcpdump(self):
"pkills tcpdump"
try:
self.handle.sendline("sh sudo pkill tcpdump")
self.handle.sendline("")
self.handle.sendline("")
self.handle.expect("mininet>")
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
main.cleanup()
main.exit()
except:
main.log.info(self.name + ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.log.error( traceback.print_exc() )
main.log.info(":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.cleanup()
main.exit()
if __name__ != "__main__":
import sys
sys.modules[__name__] = MininetCliDriver()