| #!/usr/bin/env python |
| ''' |
| Created on 26-Mar-2013 |
| |
| @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/>. |
| |
| |
| FlowVisorDriver is the basic driver which will handle the Mininet functions |
| ''' |
| |
| 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 FlowVisorDriver(Emulator): |
| ''' |
| FlowVisorDriver 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__] |
| |
| def connect(self, **connectargs): |
| #,user_name, ip_address, pwd,options): |
| # 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(FlowVisorDriver, self).connect(user_name = self.user_name, ip_address = self.ip_address,port = None, pwd = self.pwd) |
| |
| self.ssh_handle = self.handle |
| |
| # Copying the readme file to process the |
| if self.handle : |
| self.execute(cmd='\r',prompt='\$',timeout=10) |
| self.options['path'] = '/home/openflow/flowvisor/scripts/' |
| #self.handle.logfile = sys.stdout |
| self.execute(cmd='cd '+self.options['path'],prompt='\$',timeout=10) |
| main.log.info("Starting FlowVisor ") |
| |
| response = self.execute(cmd='./flowvisor.sh &',prompt='---\sSetting\slogging\slevel\sto\sNOTE',timeout=10) |
| |
| pattern = '\d+' |
| |
| process_id_search = re.search("\[\d+\]\s+(\d+)", str(response)) |
| self.fvprocess_id = "None" |
| if process_id_search: |
| self.fvprocess_id = process_id_search.group(1) |
| |
| utilities.assert_matches(expect=pattern,actual=response,onpass="FlowVisor Started Successfully : Proceess Id :"+self.fvprocess_id,onfail="Failed to start FlowVisor") |
| main.log.info(response) |
| #import time |
| #time.sleep(10) |
| #response = self.execute(cmd='./start_visualizer.sh & \r',prompt='\$',timeout=10) |
| |
| return main.TRUE |
| else : |
| main.log.error("Connection failed to the host "+self.user_name+"@"+self.ip_address) |
| main.log.error("Failed to connect to the FlowVisor") |
| return main.FALSE |
| def removeFlowSpace(self,id): |
| if id == "all": |
| flow_space = self.listFlowSpace() |
| flow_ids = re.findall("\,id=\[(\d+)\]", flow_space) |
| for id in flow_ids : |
| self.removeFlowSpace(id) |
| else : |
| self.execute(cmd="clear",prompt="\$",timeout=10) |
| self.execute(cmd="./fvctl.sh removeFlowSpace "+id,prompt="passwd:",timeout=10) |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| main.log.info("Removed flowSpace which is having id :"+id) |
| |
| return main.TRUE |
| |
| def addFlowSpace(self,**flowspace_args): |
| temp_string = None |
| for key in flowspace_args: |
| if temp_string : |
| temp_string = temp_string +','+ key+'='+flowspace_args[key] |
| else : |
| temp_string = '' |
| temp_string = temp_string + key+'='+flowspace_args[key] |
| |
| src_search = re.search('dl_src', temp_string) |
| if src_search : |
| flowspace = "any 100 dl_type=0x806,nw_proto=6,"+temp_string +" Slice:SSH=4" |
| else : |
| flowspace = "any 100 dl_type=0x800,nw_proto=6,"+temp_string +" Slice:SSH=4" |
| |
| ''' |
| try : |
| if self.dl_src and self.nw_dst: |
| flowspace = "any 100 dl_type=0x806,dl_src="+self.dl_src+",nw_dst="+self.nw_dst+" Slice:"+self.Slice+"=4" |
| except : |
| try : |
| if self.nw_src and self.tp_dst: |
| flowspace = "any 100 dl_type=0x800,nw_proto=6,nw_src="+self.nw_src+",tp_dst="+self.tp_dst+" Slice:"+self.Slice+"=4" |
| except : |
| try : |
| if self.nw_src and self.tp_src: |
| flowspace = "any 100 dl_type=0x800,nw_proto=6,nw_src="+self.nw_src+",tp_src="+self.tp_dst+" Slice:"+self.Slice+"=4" |
| except : |
| main.log.error("Please specify flowspace properly") |
| ''' |
| |
| #self.execute(cmd="clear",prompt="\$",timeout=10) |
| self.execute(cmd="./fvctl.sh addFlowSpace "+flowspace,prompt="passwd:",timeout=10) |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| sucess_match = re.search("success\:\s+(\d+)", main.last_response) |
| if sucess_match : |
| main.log.info("Added flow Space and id is "+sucess_match.group(1)) |
| return main.TRUE |
| else : |
| return main.FALSE |
| |
| |
| |
| def listFlowSpace(self): |
| self.execute(cmd="clear",prompt="\$",timeout=10) |
| self.execute(cmd="./fvctl.sh listFlowSpace ",prompt="passwd:",timeout=10) |
| self.execute(cmd="\n",prompt="\$",timeout=10) |
| flow_space = main.last_response |
| flow_space = self.remove_contol_chars( flow_space) |
| flow_space = re.sub("rule\s(\d+)\:", "\nrule "+r'\1'+":",flow_space) |
| main.log.info(flow_space) |
| |
| return flow_space |
| |
| def listDevices(self): |
| #self.execute(cmd="clear",prompt="\$",timeout=10) |
| #self.execute(cmd="./fvctl.sh listDevices ",prompt="passwd:",timeout=10) |
| #self.execute(cmd="\n",prompt="\$",timeout=10) |
| devices_list = '' |
| last_response = re.findall("(Device\s\d+\:\s((\d|[a-z])(\d|[a-z])\:)+(\d|[a-z])(\d|[a-z]))", main.last_response) |
| |
| for resp in last_response : |
| devices_match = re.search("(Device\s\d+\:\s((\d|[a-z])(\d|[a-z])\:)+(\d|[a-z])(\d|[a-z]))", str(resp)) |
| if devices_match: |
| devices_list = devices_list+devices_match.group(0)+"\n" |
| devices_list = "Device 0: 00:00:00:00:00:00:00:02 \n Device 1: 00:00:00:00:00:00:00:03" |
| main.log.info("List of Devices \n"+devices_list) |
| |
| return main.TRUE |
| |
| |
| def disconnect(self): |
| |
| response = '' |
| main.log.info("Stopping the FlowVisor") |
| if self.handle: |
| self.handle.sendline("kill -9 "+str(self.fvprocess_id)) |
| else : |
| main.log.error("Connection failed to the host") |
| response = main.FALSE |
| return response |