admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2 | """ |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 3 | Created on 26-Oct-2012 |
| 4 | |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 5 | author: Anil Kumar ( anilkumar.s@paxterrasolutions.com ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 6 | |
| 7 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 8 | TestON is free software: you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation, either version 2 of the License, or |
| 11 | ( at your option ) any later version. |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 12 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 13 | TestON is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 17 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 18 | You should have received a copy of the GNU General Public License |
| 19 | along with TestON. If not, see <http://www.gnu.org/licenses/>. |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 20 | |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 21 | MininetCliDriver is the basic driver which will handle the Mininet functions |
| 22 | |
| 23 | Some functions rely on a modified version of Mininet. These functions |
| 24 | should all be noted in the comments. To get this MN version run these commands |
| 25 | from within your Mininet folder: |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 26 | git remote add jhall11 https://github.com/jhall11/mininet.git |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 27 | git fetch jhall11 |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 28 | git checkout -b dynamic_topo remotes/jhall11/dynamic_topo |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 29 | git pull |
| 30 | |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 31 | |
| 32 | Note that you may need to run 'sudo make develop' if your mnexec.c file |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 33 | changed when switching branches.""" |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 34 | import pexpect |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 35 | import re |
| 36 | import sys |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 37 | import types |
kelvin-onlab | a407429 | 2015-07-09 15:19:49 -0700 | [diff] [blame] | 38 | import os |
Jon Hall | 1ccf82c | 2014-10-15 14:55:16 -0400 | [diff] [blame] | 39 | from math import pow |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 40 | from drivers.common.cli.emulatordriver import Emulator |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 41 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 42 | |
kelvin-onlab | 5090714 | 2015-04-01 13:37:45 -0700 | [diff] [blame] | 43 | class MininetCliDriver( Emulator ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 44 | |
| 45 | """ |
| 46 | MininetCliDriver is the basic driver which will handle |
| 47 | the Mininet functions""" |
| 48 | def __init__( self ): |
| 49 | super( Emulator, self ).__init__() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 50 | self.handle = self |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 51 | self.name = None |
kelvin-onlab | d9e23de | 2015-08-06 10:34:44 -0700 | [diff] [blame] | 52 | self.home = None |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 53 | self.wrapped = sys.modules[ __name__ ] |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 54 | self.flag = 0 |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 55 | # TODO: Refactor driver to use these everywhere |
| 56 | self.mnPrompt = "mininet>" |
| 57 | self.hostPrompt = "~#" |
| 58 | self.bashPrompt = "\$" |
| 59 | self.scapyPrompt = ">>>" |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 60 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 61 | def connect( self, **connectargs ): |
| 62 | """ |
| 63 | Here the main is the TestON instance after creating |
| 64 | all the log handles.""" |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 65 | try: |
| 66 | for key in connectargs: |
| 67 | vars( self )[ key ] = connectargs[ key ] |
kelvin-onlab | d9e23de | 2015-08-06 10:34:44 -0700 | [diff] [blame] | 68 | self.home = "~/mininet" |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 69 | self.name = self.options[ 'name' ] |
kelvin-onlab | d9e23de | 2015-08-06 10:34:44 -0700 | [diff] [blame] | 70 | for key in self.options: |
| 71 | if key == "home": |
| 72 | self.home = self.options[ 'home' ] |
| 73 | break |
| 74 | if self.home is None or self.home == "": |
| 75 | self.home = "~/mininet" |
kelvin-onlab | a407429 | 2015-07-09 15:19:49 -0700 | [diff] [blame] | 76 | |
| 77 | try: |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 78 | if os.getenv( str( self.ip_address ) ) is not None: |
kelvin-onlab | a407429 | 2015-07-09 15:19:49 -0700 | [diff] [blame] | 79 | self.ip_address = os.getenv( str( self.ip_address ) ) |
| 80 | else: |
| 81 | main.log.info( self.name + |
| 82 | ": Trying to connect to " + |
| 83 | self.ip_address ) |
| 84 | |
| 85 | except KeyError: |
| 86 | main.log.info( "Invalid host name," + |
| 87 | " connecting to local host instead" ) |
| 88 | self.ip_address = 'localhost' |
| 89 | except Exception as inst: |
| 90 | main.log.error( "Uncaught exception: " + str( inst ) ) |
| 91 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 92 | self.handle = super( |
kelvin-onlab | 5090714 | 2015-04-01 13:37:45 -0700 | [diff] [blame] | 93 | MininetCliDriver, |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 94 | self ).connect( |
| 95 | user_name=self.user_name, |
| 96 | ip_address=self.ip_address, |
| 97 | port=None, |
| 98 | pwd=self.pwd ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 99 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 100 | if self.handle: |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 101 | main.log.info( "Connection successful to the host " + |
| 102 | self.user_name + |
| 103 | "@" + |
| 104 | self.ip_address ) |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 105 | return main.TRUE |
| 106 | else: |
| 107 | main.log.error( "Connection failed to the host " + |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 108 | self.user_name + |
| 109 | "@" + |
| 110 | self.ip_address ) |
Jon Hall | febb1c7 | 2015-03-05 13:30:09 -0800 | [diff] [blame] | 111 | main.log.error( "Failed to connect to the Mininet CLI" ) |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 112 | return main.FALSE |
| 113 | except pexpect.EOF: |
| 114 | main.log.error( self.name + ": EOF exception found" ) |
| 115 | main.log.error( self.name + ": " + self.handle.before ) |
| 116 | main.cleanup() |
| 117 | main.exit() |
Jon Hall | febb1c7 | 2015-03-05 13:30:09 -0800 | [diff] [blame] | 118 | except Exception: |
| 119 | main.log.exception( self.name + ": Uncaught exception!" ) |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 120 | main.cleanup() |
| 121 | main.exit() |
| 122 | |
kelvin-onlab | 10e8d39 | 2015-06-03 13:53:45 -0700 | [diff] [blame] | 123 | def startNet( self, topoFile='', args='', mnCmd='', timeout=120 ): |
kelvin-onlab | 00ac67b | 2015-02-04 09:52:02 -0800 | [diff] [blame] | 124 | """ |
kelvin-onlab | f512e94 | 2015-06-08 19:42:59 -0700 | [diff] [blame] | 125 | Description: |
| 126 | Starts Mininet accepts a topology(.py) file and/or an optional |
| 127 | argument, to start the mininet, as a parameter. |
| 128 | Can also send regular mininet command to load up desired topology. |
| 129 | Eg. Pass in a string 'sudo mn --topo=tree,3,3' to mnCmd |
| 130 | Options: |
| 131 | topoFile = file path for topology file (.py) |
| 132 | args = extra option added when starting the topology from the file |
| 133 | mnCmd = Mininet command use to start topology |
| 134 | Returns: |
| 135 | main.TRUE if the mininet starts successfully, main.FALSE |
| 136 | otherwise |
kelvin-onlab | 00ac67b | 2015-02-04 09:52:02 -0800 | [diff] [blame] | 137 | """ |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 138 | if self.handle: |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 139 | # make sure old networks are cleaned up |
| 140 | main.log.info( self.name + |
| 141 | ": Clearing any residual state or processes" ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 142 | self.handle.sendline( "sudo mn -c" ) |
| 143 | i = self.handle.expect( [ 'password\sfor\s', |
| 144 | 'Cleanup\scomplete', |
| 145 | pexpect.EOF, |
| 146 | pexpect.TIMEOUT ], |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 147 | timeout ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 148 | if i == 0: |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 149 | # Sudo asking for password |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 150 | main.log.info( self.name + ": Sending sudo password" ) |
| 151 | self.handle.sendline( self.pwd ) |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 152 | i = self.handle.expect( [ '%s:' % self.user, |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 153 | '\$', |
| 154 | pexpect.EOF, |
| 155 | pexpect.TIMEOUT ], |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 156 | timeout ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 157 | if i == 1: |
| 158 | main.log.info( self.name + ": Clean" ) |
| 159 | elif i == 2: |
| 160 | main.log.error( self.name + ": Connection terminated" ) |
| 161 | elif i == 3: # timeout |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 162 | main.log.error( self.name + ": Something while cleaning " + |
| 163 | "Mininet took too long... " ) |
| 164 | # Craft the string to start mininet |
| 165 | cmdString = "sudo " |
kelvin-onlab | 10e8d39 | 2015-06-03 13:53:45 -0700 | [diff] [blame] | 166 | if not mnCmd: |
| 167 | if topoFile is None or topoFile == '': # If no file is given |
| 168 | main.log.info( self.name + ": building fresh Mininet" ) |
| 169 | cmdString += "mn " |
| 170 | if args is None or args == '': |
| 171 | # If no args given, use args from .topo file |
| 172 | args = self.options[ 'arg1' ] +\ |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 173 | " " + self.options[ 'arg2' ] +\ |
| 174 | " --mac --controller " +\ |
| 175 | self.options[ 'controller' ] + " " +\ |
| 176 | self.options[ 'arg3' ] |
kelvin-onlab | 10e8d39 | 2015-06-03 13:53:45 -0700 | [diff] [blame] | 177 | else: # else only use given args |
| 178 | pass |
| 179 | # TODO: allow use of topo args and method args? |
| 180 | else: # Use given topology file |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 181 | main.log.info( |
| 182 | "Starting Mininet from topo file " + |
| 183 | topoFile ) |
kelvin-onlab | 10e8d39 | 2015-06-03 13:53:45 -0700 | [diff] [blame] | 184 | cmdString += topoFile + " " |
| 185 | if args is None: |
| 186 | args = '' |
| 187 | # TODO: allow use of args from .topo file? |
| 188 | cmdString += args |
| 189 | else: |
| 190 | main.log.info( "Starting Mininet topology using '" + mnCmd + |
| 191 | "' command" ) |
| 192 | cmdString += mnCmd |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 193 | # Send the command and check if network started |
| 194 | self.handle.sendline( "" ) |
| 195 | self.handle.expect( '\$' ) |
| 196 | main.log.info( "Sending '" + cmdString + "' to " + self.name ) |
| 197 | self.handle.sendline( cmdString ) |
| 198 | while True: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 199 | i = self.handle.expect( [ 'mininet>', |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 200 | 'Exception', |
| 201 | '\*\*\*', |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 202 | pexpect.EOF, |
| 203 | pexpect.TIMEOUT ], |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 204 | timeout ) |
kelvin-onlab | ef0cc1c | 2015-02-09 15:20:26 -0800 | [diff] [blame] | 205 | if i == 0: |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 206 | main.log.info( self.name + ": Mininet built" ) |
kelvin-onlab | ef0cc1c | 2015-02-09 15:20:26 -0800 | [diff] [blame] | 207 | return main.TRUE |
kelvin-onlab | ec228b8 | 2015-02-09 15:45:55 -0800 | [diff] [blame] | 208 | elif i == 1: |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 209 | response = str( self.handle.before + |
| 210 | self.handle.after ) |
| 211 | self.handle.expect( '\$' ) |
| 212 | response += str( self.handle.before + |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 213 | self.handle.after ) |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 214 | main.log.error( |
| 215 | self.name + |
| 216 | ": Launching Mininet failed: " + response ) |
| 217 | return main.FALSE |
| 218 | elif i == 2: |
| 219 | self.handle.expect( [ "\n", |
| 220 | pexpect.EOF, |
| 221 | pexpect.TIMEOUT ], |
| 222 | timeout ) |
| 223 | main.log.info( self.handle.before ) |
| 224 | elif i == 3: |
kelvin-onlab | ef0cc1c | 2015-02-09 15:20:26 -0800 | [diff] [blame] | 225 | main.log.error( self.name + ": Connection timeout" ) |
| 226 | return main.FALSE |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 227 | elif i == 4: # timeout |
kelvin-onlab | ef0cc1c | 2015-02-09 15:20:26 -0800 | [diff] [blame] | 228 | main.log.error( |
| 229 | self.name + |
| 230 | ": Something took too long... " ) |
| 231 | return main.FALSE |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 232 | # Why did we hit this part? |
| 233 | main.log.error( "startNet did not return correctly" ) |
| 234 | return main.FASLE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 235 | else: # if no handle |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 236 | main.log.error( self.name + ": Connection failed to the host " + |
| 237 | self.user_name + "@" + self.ip_address ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 238 | main.log.error( self.name + ": Failed to connect to the Mininet" ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 239 | return main.FALSE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 240 | |
kelvin-onlab | fccaafa | 2015-01-20 13:50:44 -0800 | [diff] [blame] | 241 | def numSwitchesNlinks( self, topoType, depth, fanout ): |
Jon Hall | 1ccf82c | 2014-10-15 14:55:16 -0400 | [diff] [blame] | 242 | if topoType == 'tree': |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 243 | # In tree topology, if fanout arg is not given, by default it is 2 |
| 244 | if fanout is None: |
Jon Hall | 1ccf82c | 2014-10-15 14:55:16 -0400 | [diff] [blame] | 245 | fanout = 2 |
| 246 | k = 0 |
Jon Hall | 3848172 | 2014-11-04 16:50:05 -0500 | [diff] [blame] | 247 | count = 0 |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 248 | while( k <= depth - 1 ): |
| 249 | count = count + pow( fanout, k ) |
| 250 | k = k + 1 |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 251 | numSwitches = count |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 252 | while( k <= depth - 2 ): |
| 253 | # depth-2 gives you only core links and not considering |
| 254 | # edge links as seen by ONOS. If all the links including |
| 255 | # edge links are required, do depth-1 |
| 256 | count = count + pow( fanout, k ) |
| 257 | k = k + 1 |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 258 | numLinks = count * fanout |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 259 | # print "num_switches for %s(%d,%d) = %d and links=%d" %( |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 260 | # topoType,depth,fanout,numSwitches,numLinks ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 261 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 262 | elif topoType == 'linear': |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 263 | # In linear topology, if fanout or numHostsPerSw is not given, |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 264 | # by default it is 1 |
| 265 | if fanout is None: |
Jon Hall | 1ccf82c | 2014-10-15 14:55:16 -0400 | [diff] [blame] | 266 | fanout = 1 |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 267 | numSwitches = depth |
| 268 | numHostsPerSw = fanout |
| 269 | totalNumHosts = numSwitches * numHostsPerSw |
| 270 | numLinks = totalNumHosts + ( numSwitches - 1 ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 271 | print "num_switches for %s(%d,%d) = %d and links=%d" %\ |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 272 | ( topoType, depth, fanout, numSwitches, numLinks ) |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 273 | topoDict = { "num_switches": int( numSwitches ), |
| 274 | "num_corelinks": int( numLinks ) } |
Jon Hall | 1ccf82c | 2014-10-15 14:55:16 -0400 | [diff] [blame] | 275 | return topoDict |
| 276 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 277 | def calculateSwAndLinks( self ): |
Jon Hall | 689d8e4 | 2015-04-03 13:59:24 -0700 | [diff] [blame] | 278 | """ |
| 279 | Calculate the number of switches and links in a topo.""" |
| 280 | # TODO: combine this function and numSwitchesNlinks |
| 281 | argList = self.options[ 'arg1' ].split( "," ) |
| 282 | topoArgList = argList[ 0 ].split( " " ) |
| 283 | argList = map( int, argList[ 1: ] ) |
| 284 | topoArgList = topoArgList[ 1: ] + argList |
| 285 | |
| 286 | topoDict = self.numSwitchesNlinks( *topoArgList ) |
Jon Hall | 1ccf82c | 2014-10-15 14:55:16 -0400 | [diff] [blame] | 287 | return topoDict |
| 288 | |
GlennRC | f07c44a | 2015-09-18 13:33:46 -0700 | [diff] [blame] | 289 | def pingall( self, protocol="IPv4", timeout=300, shortCircuit=False, acceptableFailed=0 ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 290 | """ |
| 291 | Verifies the reachability of the hosts using pingall command. |
| 292 | Optional parameter timeout allows you to specify how long to |
| 293 | wait for pingall to complete |
kelvin-onlab | fbcd82f | 2015-04-02 12:06:00 -0700 | [diff] [blame] | 294 | Optional: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 295 | timeout( seconds ) - How long to wait before breaking the pingall |
kelvin-onlab | fbcd82f | 2015-04-02 12:06:00 -0700 | [diff] [blame] | 296 | shortCircuit - Break the pingall based on the number of failed hosts |
kelvin-onlab | c44f019 | 2015-04-02 22:08:41 -0700 | [diff] [blame] | 297 | ping |
| 298 | acceptableFailed - Set the number of acceptable failed pings for the |
| 299 | function to still return main.TRUE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 300 | Returns: |
| 301 | main.TRUE if pingall completes with no pings dropped |
Jon Hall | 390696c | 2015-05-05 17:13:41 -0700 | [diff] [blame] | 302 | otherwise main.FALSE |
| 303 | """ |
| 304 | import time |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 305 | try: |
Jon Hall | fb760a0 | 2015-04-13 15:35:03 -0700 | [diff] [blame] | 306 | timeout = int( timeout ) |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 307 | if self.handle: |
| 308 | main.log.info( |
| 309 | self.name + |
| 310 | ": Checking reachabilty to the hosts using pingall" ) |
| 311 | response = "" |
| 312 | failedPings = 0 |
| 313 | returnValue = main.TRUE |
GlennRC | f07c44a | 2015-09-18 13:33:46 -0700 | [diff] [blame] | 314 | cmd = "pingall" |
| 315 | if protocol == "IPv6": |
| 316 | cmd = "py net.pingAll6()" |
| 317 | self.handle.sendline( cmd ) |
Jon Hall | 390696c | 2015-05-05 17:13:41 -0700 | [diff] [blame] | 318 | startTime = time.time() |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 319 | while True: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 320 | i = self.handle.expect( [ "mininet>", "X", |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 321 | pexpect.EOF, |
| 322 | pexpect.TIMEOUT ], |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 323 | timeout ) |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 324 | if i == 0: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 325 | main.log.info( self.name + ": pingall finished" ) |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 326 | response += self.handle.before |
| 327 | break |
| 328 | elif i == 1: |
| 329 | response += self.handle.before + self.handle.after |
| 330 | failedPings = failedPings + 1 |
kelvin-onlab | d26a374 | 2015-04-06 15:31:16 -0700 | [diff] [blame] | 331 | if failedPings > acceptableFailed: |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 332 | returnValue = main.FALSE |
| 333 | if shortCircuit: |
| 334 | main.log.error( self.name + |
| 335 | ": Aborting pingall - " |
| 336 | + str( failedPings ) + |
| 337 | " pings failed" ) |
| 338 | break |
Jon Hall | 390696c | 2015-05-05 17:13:41 -0700 | [diff] [blame] | 339 | if ( time.time() - startTime ) > timeout: |
| 340 | returnValue = main.FALSE |
| 341 | main.log.error( self.name + |
| 342 | ": Aborting pingall - " + |
| 343 | "Function took too long " ) |
| 344 | break |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 345 | elif i == 2: |
| 346 | main.log.error( self.name + |
| 347 | ": EOF exception found" ) |
| 348 | main.log.error( self.name + ": " + |
| 349 | self.handle.before ) |
| 350 | main.cleanup() |
| 351 | main.exit() |
| 352 | elif i == 3: |
| 353 | response += self.handle.before |
| 354 | main.log.error( self.name + |
| 355 | ": TIMEOUT exception found" ) |
| 356 | main.log.error( self.name + |
| 357 | ": " + |
| 358 | str( response ) ) |
| 359 | # NOTE: Send ctrl-c to make sure pingall is done |
| 360 | self.handle.sendline( "\x03" ) |
| 361 | self.handle.expect( "Interrupt" ) |
| 362 | self.handle.expect( "mininet>" ) |
| 363 | break |
| 364 | pattern = "Results\:" |
| 365 | main.log.info( "Pingall output: " + str( response ) ) |
| 366 | if re.search( pattern, response ): |
| 367 | main.log.info( self.name + ": Pingall finished with " |
| 368 | + str( failedPings ) + " failed pings" ) |
| 369 | return returnValue |
| 370 | else: |
kelvin-onlab | c44f019 | 2015-04-02 22:08:41 -0700 | [diff] [blame] | 371 | # NOTE: Send ctrl-c to make sure pingall is done |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 372 | self.handle.sendline( "\x03" ) |
kelvin-onlab | c44f019 | 2015-04-02 22:08:41 -0700 | [diff] [blame] | 373 | self.handle.expect( "Interrupt" ) |
kelvin-onlab | c44f019 | 2015-04-02 22:08:41 -0700 | [diff] [blame] | 374 | self.handle.expect( "mininet>" ) |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 375 | return main.FALSE |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 376 | else: |
kelvin-onlab | d9a8ed3 | 2015-04-03 13:55:28 -0700 | [diff] [blame] | 377 | main.log.error( self.name + ": Connection failed to the host" ) |
| 378 | main.cleanup() |
| 379 | main.exit() |
| 380 | except pexpect.TIMEOUT: |
| 381 | if response: |
| 382 | main.log.info( "Pingall output: " + str( response ) ) |
| 383 | main.log.error( self.name + ": pexpect.TIMEOUT found" ) |
| 384 | return main.FALSE |
| 385 | except pexpect.EOF: |
| 386 | main.log.error( self.name + ": EOF exception found" ) |
| 387 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 388 | main.cleanup() |
| 389 | main.exit() |
admin | aeedddd | 2013-08-02 15:14:15 -0700 | [diff] [blame] | 390 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 391 | def fpingHost( self, **pingParams ): |
| 392 | """ |
| 393 | Uses the fping package for faster pinging... |
| 394 | *requires fping to be installed on machine running mininet""" |
kelvin-onlab | 7d0c967 | 2015-01-20 15:56:22 -0800 | [diff] [blame] | 395 | args = utilities.parse_args( [ "SRC", "TARGET" ], **pingParams ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 396 | command = args[ "SRC" ] + \ |
| 397 | " fping -i 100 -t 20 -C 1 -q " + args[ "TARGET" ] |
| 398 | self.handle.sendline( command ) |
| 399 | self.handle.expect( |
| 400 | [ args[ "TARGET" ], pexpect.EOF, pexpect.TIMEOUT ] ) |
| 401 | self.handle.expect( [ "mininet", pexpect.EOF, pexpect.TIMEOUT ] ) |
| 402 | response = self.handle.before |
| 403 | if re.search( ":\s-", response ): |
| 404 | main.log.info( self.name + ": Ping fail" ) |
admin | aeedddd | 2013-08-02 15:14:15 -0700 | [diff] [blame] | 405 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 406 | elif re.search( ":\s\d{1,2}\.\d\d", response ): |
| 407 | main.log.info( self.name + ": Ping good!" ) |
admin | aeedddd | 2013-08-02 15:14:15 -0700 | [diff] [blame] | 408 | return main.TRUE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 409 | main.log.info( self.name + ": Install fping on mininet machine... " ) |
| 410 | main.log.info( self.name + ": \n---\n" + response ) |
admin | aeedddd | 2013-08-02 15:14:15 -0700 | [diff] [blame] | 411 | return main.FALSE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 412 | |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 413 | def pingallHosts( self, hostList, wait=1 ): |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 414 | """ |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 415 | Ping all specified IPv4 hosts |
kelvin-onlab | 2ff5702 | 2015-05-29 10:48:51 -0700 | [diff] [blame] | 416 | |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 417 | Acceptable hostList: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 418 | - [ 'h1','h2','h3','h4' ] |
kelvin-onlab | 2ff5702 | 2015-05-29 10:48:51 -0700 | [diff] [blame] | 419 | |
| 420 | Returns main.TRUE if all hosts specified can reach |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 421 | each other |
kelvin-onlab | 2ff5702 | 2015-05-29 10:48:51 -0700 | [diff] [blame] | 422 | |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 423 | Returns main.FALSE if one or more of hosts specified |
| 424 | cannot reach each other""" |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 425 | wait = int( wait ) |
| 426 | cmd = " ping -c 1 -i 1 -W " + str( wait ) + " " |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 427 | |
| 428 | try: |
| 429 | main.log.info( "Testing reachability between specified hosts" ) |
kelvin-onlab | 2ff5702 | 2015-05-29 10:48:51 -0700 | [diff] [blame] | 430 | |
andrew@onlab.us | defe38c | 2015-05-14 19:18:18 -0400 | [diff] [blame] | 431 | isReachable = main.TRUE |
GlennRC | 6d50627 | 2015-09-25 11:36:07 -0700 | [diff] [blame] | 432 | pingResponse = "IPv4 ping across specified hosts\n" |
| 433 | failedPings = 0 |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 434 | for host in hostList: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 435 | listIndex = hostList.index( host ) |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 436 | # List of hosts to ping other than itself |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 437 | pingList = hostList[ :listIndex ] + \ |
| 438 | hostList[ ( listIndex + 1 ): ] |
GlennRC | d10d3cc | 2015-09-24 12:47:16 -0700 | [diff] [blame] | 439 | |
| 440 | pingResponse += str(str(host) + " -> ") |
| 441 | |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 442 | for temp in pingList: |
| 443 | # Current host pings all other hosts specified |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 444 | pingCmd = str( host ) + cmd + str( temp ) |
Jon Hall | 934576d | 2015-10-09 10:12:22 -0700 | [diff] [blame] | 445 | self.handle.sendline( pingCmd ) |
| 446 | self.handle.expect( "mininet>", timeout=wait + 1 ) |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 447 | response = self.handle.before |
| 448 | if re.search( ',\s0\%\spacket\sloss', response ): |
GlennRC | d10d3cc | 2015-09-24 12:47:16 -0700 | [diff] [blame] | 449 | pingResponse += str(" h" + str( temp[1:] )) |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 450 | else: |
GlennRC | d10d3cc | 2015-09-24 12:47:16 -0700 | [diff] [blame] | 451 | pingResponse += " X" |
andrew@onlab.us | defe38c | 2015-05-14 19:18:18 -0400 | [diff] [blame] | 452 | # One of the host to host pair is unreachable |
| 453 | isReachable = main.FALSE |
GlennRC | 6d50627 | 2015-09-25 11:36:07 -0700 | [diff] [blame] | 454 | failedPings += 1 |
GlennRC | d10d3cc | 2015-09-24 12:47:16 -0700 | [diff] [blame] | 455 | pingResponse += "\n" |
GlennRC | 6d50627 | 2015-09-25 11:36:07 -0700 | [diff] [blame] | 456 | main.log.info( pingResponse + "Failed pings: " + str(failedPings) ) |
kelvin-onlab | 2ff5702 | 2015-05-29 10:48:51 -0700 | [diff] [blame] | 457 | return isReachable |
Hari Krishna | 3bf8ea8 | 2015-08-11 09:02:02 -0700 | [diff] [blame] | 458 | except pexpect.TIMEOUT: |
| 459 | main.log.exception( self.name + ": TIMEOUT exception" ) |
Hari Krishna | 4223dbd | 2015-08-13 16:29:53 -0700 | [diff] [blame] | 460 | return main.FALSE |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 461 | except pexpect.EOF: |
| 462 | main.log.error( self.name + ": EOF exception found" ) |
| 463 | main.log.error( self.name + ": " + self.handle.before ) |
| 464 | main.cleanup() |
| 465 | main.exit() |
Hari Krishna | 3bf8ea8 | 2015-08-11 09:02:02 -0700 | [diff] [blame] | 466 | except Exception: |
| 467 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 468 | main.cleanup() |
| 469 | main.exit() |
andrew@onlab.us | 9fdee81 | 2015-05-14 17:23:26 -0400 | [diff] [blame] | 470 | |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 471 | def pingIpv6Hosts( self, hostList, prefix='1000::', wait=1 ): |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 472 | """ |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 473 | IPv6 ping all hosts in hostList. If no prefix passed this will use |
| 474 | default prefix of 1000:: |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 475 | |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 476 | Returns main.TRUE if all hosts specified can reach each other |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 477 | |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 478 | Returns main.FALSE if one or more of hosts specified cannot reach each other |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 479 | """ |
| 480 | try: |
| 481 | main.log.info( "Testing reachability between specified IPv6 hosts" ) |
| 482 | isReachable = main.TRUE |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 483 | wait = int( wait ) |
| 484 | cmd = " ping6 -c 1 -i 1 -W " + str( wait ) + " " |
GlennRC | 6d50627 | 2015-09-25 11:36:07 -0700 | [diff] [blame] | 485 | pingResponse = "IPv6 Pingall output:\n" |
| 486 | failedPings = 0 |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 487 | for host in hostList: |
| 488 | listIndex = hostList.index( host ) |
| 489 | # List of hosts to ping other than itself |
| 490 | pingList = hostList[ :listIndex ] + \ |
| 491 | hostList[ ( listIndex + 1 ): ] |
| 492 | |
GlennRC | 2cf7d95 | 2015-09-11 16:32:13 -0700 | [diff] [blame] | 493 | pingResponse += str(str(host) + " -> ") |
| 494 | |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 495 | for temp in pingList: |
| 496 | # Current host pings all other hosts specified |
| 497 | pingCmd = str( host ) + cmd + prefix + str( temp[1:] ) |
Jon Hall | 934576d | 2015-10-09 10:12:22 -0700 | [diff] [blame] | 498 | self.handle.sendline( pingCmd ) |
| 499 | self.handle.expect( "mininet>", timeout=wait + 1 ) |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 500 | response = self.handle.before |
| 501 | if re.search( ',\s0\%\spacket\sloss', response ): |
GlennRC | 2cf7d95 | 2015-09-11 16:32:13 -0700 | [diff] [blame] | 502 | pingResponse += str(" h" + str( temp[1:] )) |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 503 | else: |
GlennRC | 2cf7d95 | 2015-09-11 16:32:13 -0700 | [diff] [blame] | 504 | pingResponse += " X" |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 505 | # One of the host to host pair is unreachable |
| 506 | isReachable = main.FALSE |
GlennRC | 6d50627 | 2015-09-25 11:36:07 -0700 | [diff] [blame] | 507 | failedPings += 1 |
GlennRC | d10d3cc | 2015-09-24 12:47:16 -0700 | [diff] [blame] | 508 | pingResponse += "\n" |
GlennRC | 6d50627 | 2015-09-25 11:36:07 -0700 | [diff] [blame] | 509 | main.log.info( pingResponse + "Failed pings: " + str(failedPings) ) |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 510 | return isReachable |
| 511 | |
Hari Krishna | 3bf8ea8 | 2015-08-11 09:02:02 -0700 | [diff] [blame] | 512 | except pexpect.TIMEOUT: |
| 513 | main.log.exception( self.name + ": TIMEOUT exception" ) |
| 514 | return main.FALSE |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 515 | except pexpect.EOF: |
| 516 | main.log.error( self.name + ": EOF exception found" ) |
| 517 | main.log.error( self.name + ": " + self.handle.before ) |
| 518 | main.cleanup() |
| 519 | main.exit() |
Hari Krishna | 3bf8ea8 | 2015-08-11 09:02:02 -0700 | [diff] [blame] | 520 | except Exception: |
| 521 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 522 | main.cleanup() |
| 523 | main.exit() |
Hari Krishna | 9592fc8 | 2015-07-31 15:11:15 -0700 | [diff] [blame] | 524 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 525 | def pingHost( self, **pingParams ): |
| 526 | """ |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 527 | Ping from one mininet host to another |
| 528 | Currently the only supported Params: SRC, TARGET, and WAIT |
| 529 | """ |
| 530 | args = utilities.parse_args( [ "SRC", "TARGET", 'WAIT' ], **pingParams ) |
| 531 | wait = args['WAIT'] |
| 532 | wait = int( wait if wait else 1 ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 533 | command = args[ "SRC" ] + " ping " + \ |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 534 | args[ "TARGET" ] + " -c 1 -i 1 -W " + str( wait ) + " " |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 535 | try: |
Jon Hall | 61282e3 | 2015-03-19 11:34:11 -0700 | [diff] [blame] | 536 | main.log.info( "Sending: " + command ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 537 | self.handle.sendline( command ) |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 538 | i = self.handle.expect( [ command, pexpect.TIMEOUT ], |
| 539 | timeout=wait + 1 ) |
Jon Hall | 6e18c7b | 2014-04-23 16:26:33 -0700 | [diff] [blame] | 540 | if i == 1: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 541 | main.log.error( |
| 542 | self.name + |
| 543 | ": timeout when waiting for response from mininet" ) |
| 544 | main.log.error( "response: " + str( self.handle.before ) ) |
| 545 | i = self.handle.expect( [ "mininet>", pexpect.TIMEOUT ] ) |
Jon Hall | 6e18c7b | 2014-04-23 16:26:33 -0700 | [diff] [blame] | 546 | if i == 1: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 547 | main.log.error( |
| 548 | self.name + |
| 549 | ": timeout when waiting for response from mininet" ) |
| 550 | main.log.error( "response: " + str( self.handle.before ) ) |
Jon Hall | 6e18c7b | 2014-04-23 16:26:33 -0700 | [diff] [blame] | 551 | response = self.handle.before |
Hari Krishna | 012a1c1 | 2015-08-25 14:23:58 -0700 | [diff] [blame] | 552 | if re.search( ',\s0\%\spacket\sloss', response ): |
| 553 | main.log.info( self.name + ": no packets lost, host is reachable" ) |
| 554 | return main.TRUE |
| 555 | else: |
| 556 | main.log.error( |
| 557 | self.name + |
| 558 | ": PACKET LOST, HOST IS NOT REACHABLE" ) |
| 559 | return main.FALSE |
| 560 | |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 561 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 562 | main.log.error( self.name + ": EOF exception found" ) |
| 563 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 564 | main.cleanup() |
| 565 | main.exit() |
Hari Krishna | 012a1c1 | 2015-08-25 14:23:58 -0700 | [diff] [blame] | 566 | except Exception: |
| 567 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 568 | main.cleanup() |
| 569 | main.exit() |
| 570 | |
| 571 | def ping6pair( self, **pingParams ): |
| 572 | """ |
GlennRC | 2cf7d95 | 2015-09-11 16:32:13 -0700 | [diff] [blame] | 573 | IPv6 Ping between a pair of mininet hosts |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 574 | Currently the only supported Params are: SRC, TARGET, and WAIT |
Hari Krishna | 012a1c1 | 2015-08-25 14:23:58 -0700 | [diff] [blame] | 575 | FLOWLABEL and -I (src interface) will be added later after running some tests. |
| 576 | Example: main.Mininet1.ping6pair( src="h1", target="1000::2" ) |
| 577 | """ |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 578 | args = utilities.parse_args( [ "SRC", "TARGET", 'WAIT' ], **pingParams ) |
| 579 | wait = args['WAIT'] |
| 580 | wait = int( wait if wait else 1 ) |
| 581 | command = args[ "SRC" ] + " ping " + \ |
| 582 | args[ "TARGET" ] + " -c 1 -i 1 -W " + str( wait ) + " " |
Hari Krishna | 012a1c1 | 2015-08-25 14:23:58 -0700 | [diff] [blame] | 583 | try: |
| 584 | main.log.info( "Sending: " + command ) |
| 585 | self.handle.sendline( command ) |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 586 | i = self.handle.expect( [ command, pexpect.TIMEOUT ], |
| 587 | timeout=wait + 1 ) |
Hari Krishna | 012a1c1 | 2015-08-25 14:23:58 -0700 | [diff] [blame] | 588 | if i == 1: |
| 589 | main.log.error( |
| 590 | self.name + |
| 591 | ": timeout when waiting for response from mininet" ) |
| 592 | main.log.error( "response: " + str( self.handle.before ) ) |
| 593 | i = self.handle.expect( [ "mininet>", pexpect.TIMEOUT ] ) |
| 594 | if i == 1: |
| 595 | main.log.error( |
| 596 | self.name + |
| 597 | ": timeout when waiting for response from mininet" ) |
| 598 | main.log.error( "response: " + str( self.handle.before ) ) |
| 599 | response = self.handle.before |
| 600 | main.log.info( self.name + ": Ping Response: " + response ) |
| 601 | if re.search( ',\s0\%\spacket\sloss', response ): |
| 602 | main.log.info( self.name + ": no packets lost, host is reachable" ) |
GlennRC | 2cf7d95 | 2015-09-11 16:32:13 -0700 | [diff] [blame] | 603 | return main.TRUE |
Hari Krishna | 012a1c1 | 2015-08-25 14:23:58 -0700 | [diff] [blame] | 604 | else: |
| 605 | main.log.error( |
| 606 | self.name + |
| 607 | ": PACKET LOST, HOST IS NOT REACHABLE" ) |
| 608 | return main.FALSE |
| 609 | |
| 610 | except pexpect.EOF: |
| 611 | main.log.error( self.name + ": EOF exception found" ) |
| 612 | main.log.error( self.name + ": " + self.handle.before ) |
| 613 | main.cleanup() |
| 614 | main.exit() |
| 615 | except Exception: |
| 616 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 617 | main.cleanup() |
| 618 | main.exit() |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 619 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 620 | def checkIP( self, host ): |
| 621 | """ |
| 622 | Verifies the host's ip configured or not.""" |
| 623 | if self.handle: |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 624 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 625 | response = self.execute( |
| 626 | cmd=host + |
| 627 | " ifconfig", |
| 628 | prompt="mininet>", |
| 629 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 630 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 631 | main.log.error( self.name + ": EOF exception found" ) |
| 632 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 633 | main.cleanup() |
| 634 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 635 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 636 | pattern = "inet\s(addr|Mask):([0-1]{1}[0-9]{1,2}|" +\ |
kelvin-onlab | edcff05 | 2015-01-16 12:53:55 -0800 | [diff] [blame] | 637 | "2[0-4][0-9]|25[0-5]|[0-9]{1,2}).([0-1]{1}" +\ |
| 638 | "[0-9]{1,2}|2[0-4][0-9]|25[0-5]|[0-9]{1,2})." +\ |
| 639 | "([0-1]{1}[0-9]{1,2}|2[0-4][0-9]|25[0-5]|" +\ |
| 640 | "[0-9]{1,2}).([0-1]{1}[0-9]{1,2}|2[0-4]" +\ |
| 641 | "[0-9]|25[0-5]|[0-9]{1,2})" |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 642 | # pattern = "inet addr:10.0.0.6" |
| 643 | if re.search( pattern, response ): |
| 644 | main.log.info( self.name + ": Host Ip configured properly" ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 645 | return main.TRUE |
| 646 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 647 | main.log.error( self.name + ": Host IP not found" ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 648 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 649 | else: |
| 650 | main.log.error( self.name + ": Connection failed to the host" ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 651 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 652 | def verifySSH( self, **connectargs ): |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 653 | # FIXME: Who uses this and what is the purpose? seems very specific |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 654 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 655 | response = self.execute( |
| 656 | cmd="h1 /usr/sbin/sshd -D&", |
| 657 | prompt="mininet>", |
| 658 | timeout=10 ) |
| 659 | response = self.execute( |
| 660 | cmd="h4 /usr/sbin/sshd -D&", |
| 661 | prompt="mininet>", |
| 662 | timeout=10 ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 663 | for key in connectargs: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 664 | vars( self )[ key ] = connectargs[ key ] |
| 665 | response = self.execute( |
| 666 | cmd="xterm h1 h4 ", |
| 667 | prompt="mininet>", |
| 668 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 669 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 670 | main.log.error( self.name + ": EOF exception found" ) |
| 671 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 672 | main.cleanup() |
| 673 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 674 | import time |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 675 | time.sleep( 20 ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 676 | if self.flag == 0: |
| 677 | self.flag = 1 |
| 678 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 679 | else: |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 680 | return main.TRUE |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 681 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 682 | def moveHost( self, host, oldSw, newSw, ): |
| 683 | """ |
| 684 | Moves a host from one switch to another on the fly |
| 685 | Note: The intf between host and oldSw when detached |
| 686 | using detach(), will still show up in the 'net' |
| 687 | cmd, because switch.detach() doesn't affect switch.intfs[] |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 688 | ( which is correct behavior since the interfaces |
| 689 | haven't moved ). |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 690 | """ |
| 691 | if self.handle: |
| 692 | try: |
| 693 | # Bring link between oldSw-host down |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 694 | cmd = "py net.configLinkStatus('" + oldSw + "'," + "'" + host +\ |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 695 | "'," + "'down')" |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 696 | print "cmd1= ", cmd |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 697 | response = self.execute( cmd=cmd, |
| 698 | prompt="mininet>", |
| 699 | timeout=10 ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 700 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 701 | # Determine hostintf and Oldswitchintf |
| 702 | cmd = "px hintf,sintf = " + host + ".connectionsTo(" + oldSw +\ |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 703 | ")[0]" |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 704 | print "cmd2= ", cmd |
| 705 | self.handle.sendline( cmd ) |
| 706 | self.handle.expect( "mininet>" ) |
| 707 | |
shahshreya | 7353786 | 2015-02-11 15:15:24 -0800 | [diff] [blame] | 708 | # Determine ip and mac address of the host-oldSw interface |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 709 | cmd = "px ipaddr = hintf.IP()" |
| 710 | print "cmd3= ", cmd |
| 711 | self.handle.sendline( cmd ) |
| 712 | self.handle.expect( "mininet>" ) |
shahshreya | 7353786 | 2015-02-11 15:15:24 -0800 | [diff] [blame] | 713 | |
| 714 | cmd = "px macaddr = hintf.MAC()" |
| 715 | print "cmd3= ", cmd |
| 716 | self.handle.sendline( cmd ) |
| 717 | self.handle.expect( "mininet>" ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 718 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 719 | # Detach interface between oldSw-host |
| 720 | cmd = "px " + oldSw + ".detach( sintf )" |
| 721 | print "cmd4= ", cmd |
| 722 | self.handle.sendline( cmd ) |
| 723 | self.handle.expect( "mininet>" ) |
| 724 | |
| 725 | # Add link between host-newSw |
| 726 | cmd = "py net.addLink(" + host + "," + newSw + ")" |
| 727 | print "cmd5= ", cmd |
| 728 | self.handle.sendline( cmd ) |
| 729 | self.handle.expect( "mininet>" ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 730 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 731 | # Determine hostintf and Newswitchintf |
| 732 | cmd = "px hintf,sintf = " + host + ".connectionsTo(" + newSw +\ |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 733 | ")[0]" |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 734 | print "cmd6= ", cmd |
| 735 | self.handle.sendline( cmd ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 736 | self.handle.expect( "mininet>" ) |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 737 | |
| 738 | # Attach interface between newSw-host |
| 739 | cmd = "px " + newSw + ".attach( sintf )" |
| 740 | print "cmd3= ", cmd |
| 741 | self.handle.sendline( cmd ) |
| 742 | self.handle.expect( "mininet>" ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 743 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 744 | # Set ipaddress of the host-newSw interface |
| 745 | cmd = "px " + host + ".setIP( ip = ipaddr, intf = hintf)" |
| 746 | print "cmd7 = ", cmd |
| 747 | self.handle.sendline( cmd ) |
| 748 | self.handle.expect( "mininet>" ) |
shahshreya | 7353786 | 2015-02-11 15:15:24 -0800 | [diff] [blame] | 749 | |
| 750 | # Set macaddress of the host-newSw interface |
| 751 | cmd = "px " + host + ".setMAC( mac = macaddr, intf = hintf)" |
| 752 | print "cmd8 = ", cmd |
| 753 | self.handle.sendline( cmd ) |
| 754 | self.handle.expect( "mininet>" ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 755 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 756 | cmd = "net" |
shahshreya | 7353786 | 2015-02-11 15:15:24 -0800 | [diff] [blame] | 757 | print "cmd9 = ", cmd |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 758 | self.handle.sendline( cmd ) |
| 759 | self.handle.expect( "mininet>" ) |
| 760 | print "output = ", self.handle.before |
| 761 | |
| 762 | # Determine ipaddress of the host-newSw interface |
shahshreya | 7353786 | 2015-02-11 15:15:24 -0800 | [diff] [blame] | 763 | cmd = host + " ifconfig" |
| 764 | print "cmd10= ", cmd |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 765 | self.handle.sendline( cmd ) |
| 766 | self.handle.expect( "mininet>" ) |
| 767 | print "ifconfig o/p = ", self.handle.before |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 768 | |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 769 | return main.TRUE |
| 770 | except pexpect.EOF: |
| 771 | main.log.error( self.name + ": EOF exception found" ) |
| 772 | main.log.error( self.name + ": " + self.handle.before ) |
| 773 | return main.FALSE |
| 774 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 775 | def changeIP( self, host, intf, newIP, newNetmask ): |
| 776 | """ |
| 777 | Changes the ip address of a host on the fly |
| 778 | Ex: h2 ifconfig h2-eth0 10.0.1.2 netmask 255.255.255.0""" |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 779 | if self.handle: |
| 780 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 781 | cmd = host + " ifconfig " + intf + " " + \ |
| 782 | newIP + " " + 'netmask' + " " + newNetmask |
| 783 | self.handle.sendline( cmd ) |
| 784 | self.handle.expect( "mininet>" ) |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 785 | response = self.handle.before |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 786 | main.log.info( "response = " + response ) |
| 787 | main.log.info( |
| 788 | "Ip of host " + |
| 789 | host + |
| 790 | " changed to new IP " + |
| 791 | newIP ) |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 792 | return main.TRUE |
| 793 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 794 | main.log.error( self.name + ": EOF exception found" ) |
| 795 | main.log.error( self.name + ": " + self.handle.before ) |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 796 | return main.FALSE |
| 797 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 798 | def changeDefaultGateway( self, host, newGW ): |
| 799 | """ |
| 800 | Changes the default gateway of a host |
| 801 | Ex: h1 route add default gw 10.0.1.2""" |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 802 | if self.handle: |
| 803 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 804 | cmd = host + " route add default gw " + newGW |
| 805 | self.handle.sendline( cmd ) |
| 806 | self.handle.expect( "mininet>" ) |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 807 | response = self.handle.before |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 808 | main.log.info( "response = " + response ) |
| 809 | main.log.info( |
| 810 | "Default gateway of host " + |
| 811 | host + |
| 812 | " changed to " + |
| 813 | newGW ) |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 814 | return main.TRUE |
| 815 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 816 | main.log.error( self.name + ": EOF exception found" ) |
| 817 | main.log.error( self.name + ": " + self.handle.before ) |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 818 | return main.FALSE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 819 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 820 | def addStaticMACAddress( self, host, GW, macaddr ): |
| 821 | """ |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 822 | Changes the mac address of a gateway host""" |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 823 | if self.handle: |
| 824 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 825 | # h1 arp -s 10.0.1.254 00:00:00:00:11:11 |
| 826 | cmd = host + " arp -s " + GW + " " + macaddr |
| 827 | self.handle.sendline( cmd ) |
| 828 | self.handle.expect( "mininet>" ) |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 829 | response = self.handle.before |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 830 | main.log.info( "response = " + response ) |
| 831 | main.log.info( |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 832 | "Mac address of gateway " + |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 833 | GW + |
| 834 | " changed to " + |
| 835 | macaddr ) |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 836 | return main.TRUE |
| 837 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 838 | main.log.error( self.name + ": EOF exception found" ) |
| 839 | main.log.error( self.name + ": " + self.handle.before ) |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 840 | return main.FALSE |
| 841 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 842 | def verifyStaticGWandMAC( self, host ): |
| 843 | """ |
| 844 | Verify if the static gateway and mac address assignment""" |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 845 | if self.handle: |
| 846 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 847 | # h1 arp -an |
| 848 | cmd = host + " arp -an " |
| 849 | self.handle.sendline( cmd ) |
| 850 | self.handle.expect( "mininet>" ) |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 851 | response = self.handle.before |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 852 | main.log.info( host + " arp -an = " + response ) |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 853 | return main.TRUE |
| 854 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 855 | main.log.error( self.name + ": EOF exception found" ) |
| 856 | main.log.error( self.name + ": " + self.handle.before ) |
shahshreya | d0c8043 | 2014-12-04 16:56:05 -0800 | [diff] [blame] | 857 | return main.FALSE |
| 858 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 859 | def getMacAddress( self, host ): |
| 860 | """ |
| 861 | Verifies the host's ip configured or not.""" |
| 862 | if self.handle: |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 863 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 864 | response = self.execute( |
| 865 | cmd=host + |
| 866 | " ifconfig", |
| 867 | prompt="mininet>", |
| 868 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 869 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 870 | main.log.error( self.name + ": EOF exception found" ) |
| 871 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 872 | main.cleanup() |
| 873 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 874 | |
Ahmed El-Hassany | f720e20 | 2014-04-04 16:11:36 -0700 | [diff] [blame] | 875 | pattern = r'HWaddr\s([0-9A-F]{2}[:-]){5}([0-9A-F]{2})' |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 876 | macAddressSearch = re.search( pattern, response, re.I ) |
| 877 | macAddress = macAddressSearch.group().split( " " )[ 1 ] |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 878 | main.log.info( |
| 879 | self.name + |
| 880 | ": Mac-Address of Host " + |
| 881 | host + |
| 882 | " is " + |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 883 | macAddress ) |
| 884 | return macAddress |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 885 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 886 | main.log.error( self.name + ": Connection failed to the host" ) |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 887 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 888 | def getInterfaceMACAddress( self, host, interface ): |
| 889 | """ |
| 890 | Return the IP address of the interface on the given host""" |
| 891 | if self.handle: |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 892 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 893 | response = self.execute( cmd=host + " ifconfig " + interface, |
| 894 | prompt="mininet>", timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 895 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 896 | main.log.error( self.name + ": EOF exception found" ) |
| 897 | main.log.error( self.name + ": " + self.handle.before ) |
| 898 | main.cleanup() |
| 899 | main.exit() |
| 900 | |
| 901 | pattern = r'HWaddr\s([0-9A-F]{2}[:-]){5}([0-9A-F]{2})' |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 902 | macAddressSearch = re.search( pattern, response, re.I ) |
| 903 | if macAddressSearch is None: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 904 | main.log.info( "No mac address found in %s" % response ) |
| 905 | return main.FALSE |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 906 | macAddress = macAddressSearch.group().split( " " )[ 1 ] |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 907 | main.log.info( |
| 908 | "Mac-Address of " + |
| 909 | host + |
| 910 | ":" + |
| 911 | interface + |
| 912 | " is " + |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 913 | macAddress ) |
| 914 | return macAddress |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 915 | else: |
| 916 | main.log.error( "Connection failed to the host" ) |
| 917 | |
| 918 | def getIPAddress( self, host ): |
| 919 | """ |
| 920 | Verifies the host's ip configured or not.""" |
| 921 | if self.handle: |
| 922 | try: |
| 923 | response = self.execute( |
| 924 | cmd=host + |
| 925 | " ifconfig", |
| 926 | prompt="mininet>", |
| 927 | timeout=10 ) |
| 928 | except pexpect.EOF: |
| 929 | main.log.error( self.name + ": EOF exception found" ) |
| 930 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 931 | main.cleanup() |
| 932 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 933 | |
| 934 | pattern = "inet\saddr:(\d+\.\d+\.\d+\.\d+)" |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 935 | ipAddressSearch = re.search( pattern, response ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 936 | main.log.info( |
| 937 | self.name + |
| 938 | ": IP-Address of Host " + |
| 939 | host + |
| 940 | " is " + |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 941 | ipAddressSearch.group( 1 ) ) |
| 942 | return ipAddressSearch.group( 1 ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 943 | else: |
| 944 | main.log.error( self.name + ": Connection failed to the host" ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 945 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 946 | def getSwitchDPID( self, switch ): |
| 947 | """ |
| 948 | return the datapath ID of the switch""" |
| 949 | if self.handle: |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 950 | cmd = "py %s.dpid" % switch |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 951 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 952 | response = self.execute( |
| 953 | cmd=cmd, |
| 954 | prompt="mininet>", |
| 955 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 956 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 957 | main.log.error( self.name + ": EOF exception found" ) |
| 958 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 959 | main.cleanup() |
| 960 | main.exit() |
Jon Hall | 28bf54b | 2014-12-17 16:25:44 -0800 | [diff] [blame] | 961 | pattern = r'^(?P<dpid>\w)+' |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 962 | result = re.search( pattern, response, re.MULTILINE ) |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 963 | if result is None: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 964 | main.log.info( |
| 965 | "Couldn't find DPID for switch %s, found: %s" % |
| 966 | ( switch, response ) ) |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 967 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 968 | return str( result.group( 0 ) ).lower() |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 969 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 970 | main.log.error( "Connection failed to the host" ) |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 971 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 972 | def getDPID( self, switch ): |
admin | 2580a0e | 2014-07-29 11:24:34 -0700 | [diff] [blame] | 973 | if self.handle: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 974 | self.handle.sendline( "" ) |
| 975 | self.expect( "mininet>" ) |
| 976 | cmd = "py %s.dpid" % switch |
admin | 2580a0e | 2014-07-29 11:24:34 -0700 | [diff] [blame] | 977 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 978 | response = self.execute( |
| 979 | cmd=cmd, |
| 980 | prompt="mininet>", |
| 981 | timeout=10 ) |
| 982 | self.handle.expect( "mininet>" ) |
admin | 2580a0e | 2014-07-29 11:24:34 -0700 | [diff] [blame] | 983 | response = self.handle.before |
| 984 | return response |
| 985 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 986 | main.log.error( self.name + ": EOF exception found" ) |
| 987 | main.log.error( self.name + ": " + self.handle.before ) |
admin | 2580a0e | 2014-07-29 11:24:34 -0700 | [diff] [blame] | 988 | main.cleanup() |
| 989 | main.exit() |
| 990 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 991 | def getInterfaces( self, node ): |
| 992 | """ |
| 993 | return information dict about interfaces connected to the node""" |
| 994 | if self.handle: |
| 995 | cmd = 'py "\\n".join(["name=%s,mac=%s,ip=%s,enabled=%s"' +\ |
kelvin-onlab | edcff05 | 2015-01-16 12:53:55 -0800 | [diff] [blame] | 996 | ' % (i.name, i.MAC(), i.IP(), i.isUp())' |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 997 | cmd += ' for i in %s.intfs.values()])' % node |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 998 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 999 | response = self.execute( |
| 1000 | cmd=cmd, |
| 1001 | prompt="mininet>", |
| 1002 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1003 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1004 | main.log.error( self.name + ": EOF exception found" ) |
| 1005 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1006 | main.cleanup() |
| 1007 | main.exit() |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 1008 | return response |
| 1009 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1010 | main.log.error( "Connection failed to the node" ) |
Ahmed El-Hassany | fd32918 | 2014-04-10 11:38:16 -0700 | [diff] [blame] | 1011 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1012 | def dump( self ): |
| 1013 | main.log.info( self.name + ": Dump node info" ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1014 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1015 | response = self.execute( |
| 1016 | cmd='dump', |
| 1017 | prompt='mininet>', |
| 1018 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1019 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1020 | main.log.error( self.name + ": EOF exception found" ) |
| 1021 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1022 | main.cleanup() |
| 1023 | main.exit() |
Ahmed El-Hassany | d1f7170 | 2014-04-04 16:12:45 -0700 | [diff] [blame] | 1024 | return response |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1025 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1026 | def intfs( self ): |
| 1027 | main.log.info( self.name + ": List interfaces" ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1028 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1029 | response = self.execute( |
| 1030 | cmd='intfs', |
| 1031 | prompt='mininet>', |
| 1032 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1033 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1034 | main.log.error( self.name + ": EOF exception found" ) |
| 1035 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1036 | main.cleanup() |
| 1037 | main.exit() |
Jon Hall | 668ed80 | 2014-04-08 17:17:59 -0700 | [diff] [blame] | 1038 | return response |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1039 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1040 | def net( self ): |
| 1041 | main.log.info( self.name + ": List network connections" ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1042 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1043 | response = self.execute( cmd='net', prompt='mininet>', timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1044 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1045 | main.log.error( self.name + ": EOF exception found" ) |
| 1046 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1047 | main.cleanup() |
| 1048 | main.exit() |
Jon Hall | 668ed80 | 2014-04-08 17:17:59 -0700 | [diff] [blame] | 1049 | return response |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1050 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 1051 | def links( self ): |
| 1052 | main.log.info( self.name + ": List network links" ) |
| 1053 | try: |
| 1054 | response = self.execute( cmd='links', prompt='mininet>', |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 1055 | timeout=20 ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 1056 | except pexpect.EOF: |
| 1057 | main.log.error( self.name + ": EOF exception found" ) |
| 1058 | main.log.error( self.name + ": " + self.handle.before ) |
| 1059 | main.cleanup() |
| 1060 | main.exit() |
| 1061 | return response |
| 1062 | |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1063 | def iperftcpAll(self, hosts, timeout=6): |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1064 | ''' |
| 1065 | Runs the iperftcp function with a given set of hosts and specified timeout. |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1066 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1067 | @parm: |
| 1068 | timeout: The defualt timeout is 6 sec to allow enough time for a successful test to complete, |
| 1069 | and short enough to stop an unsuccessful test from quiting and cleaning up mininet. |
| 1070 | ''' |
| 1071 | for host1 in hosts: |
| 1072 | for host2 in hosts: |
| 1073 | if host1 != host2: |
| 1074 | if self.iperftcp(host1, host2, timeout) == main.FALSE: |
| 1075 | main.log.error(self.name + ": iperftcp test failed for " + host1 + " and " + host2) |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1076 | |
| 1077 | def iperftcp(self, host1="h1", host2="h2", timeout=6): |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1078 | ''' |
| 1079 | Creates an iperf TCP test between two hosts. Returns main.TRUE if test results |
| 1080 | are valid. |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1081 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1082 | @parm: |
| 1083 | timeout: The defualt timeout is 6 sec to allow enough time for a successful test to complete, |
| 1084 | and short enough to stop an unsuccessful test from quiting and cleaning up mininet. |
| 1085 | ''' |
| 1086 | main.log.info( self.name + ": Simple iperf TCP test between two hosts" ) |
| 1087 | try: |
| 1088 | # Setup the mininet command |
| 1089 | cmd1 = 'iperf ' + host1 + " " + host2 |
| 1090 | self.handle.sendline( cmd1 ) |
| 1091 | outcome = self.handle.expect( "mininet>", timeout ) |
| 1092 | response = self.handle.before |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1093 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1094 | # checks if there are results in the mininet response |
| 1095 | if "Results:" in response: |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 1096 | main.log.report(self.name + ": iperf test completed") |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1097 | # parse the mn results |
| 1098 | response = response.split("\r\n") |
| 1099 | response = response[len(response)-2] |
| 1100 | response = response.split(": ") |
| 1101 | response = response[len(response)-1] |
| 1102 | response = response.replace("[", "") |
| 1103 | response = response.replace("]", "") |
| 1104 | response = response.replace("\'", "") |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1105 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1106 | # this is the bandwith two and from the two hosts |
| 1107 | bandwidth = response.split(", ") |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1108 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1109 | # there should be two elements in the bandwidth list |
| 1110 | # ['host1 to host2', 'host2 to host1"] |
| 1111 | if len(bandwidth) == 2: |
| 1112 | main.log.report(self.name + ": iperf test successful") |
| 1113 | return main.TRUE |
| 1114 | else: |
| 1115 | main.log.error(self.name + ": invalid iperf results") |
| 1116 | return main.FALSE |
shahshreya | e6c7cf4 | 2014-11-26 16:39:01 -0800 | [diff] [blame] | 1117 | else: |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1118 | main.log.error( self.name + ": iperf test failed" ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1119 | return main.FALSE |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1120 | except pexpect.TIMEOUT: |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 1121 | main.log.error( self.name + ": TIMEOUT exception found" ) |
| 1122 | main.log.error( self.name + " response: " + |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 1123 | repr( self.handle.before ) ) |
Jon Hall | 3b489db | 2015-10-05 14:38:37 -0700 | [diff] [blame] | 1124 | # NOTE: Send ctrl-c to make sure iperf is done |
| 1125 | self.handle.sendline( "\x03" ) |
| 1126 | self.handle.expect( "Interrupt" ) |
| 1127 | self.handle.expect( "mininet>" ) |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1128 | return main.FALSE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1129 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1130 | main.log.error( self.name + ": EOF exception found" ) |
| 1131 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1132 | main.cleanup() |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1133 | main.exit() |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1134 | |
| 1135 | def iperfudpAll(self, hosts, bandwidth="10M"): |
| 1136 | ''' |
| 1137 | Runs the iperfudp function with a given set of hosts and specified |
| 1138 | bandwidth |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1139 | |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1140 | @param: |
| 1141 | bandwidth: the targeted bandwidth, in megabits ('M') |
| 1142 | ''' |
| 1143 | for host1 in hosts: |
| 1144 | for host2 in hosts: |
| 1145 | if host1 != host2: |
| 1146 | if self.iperfudp(host1, host2, bandwidth) == main.FALSE: |
| 1147 | main.log.error(self.name + ": iperfudp test failed for " + host1 + " and " + host2) |
| 1148 | |
| 1149 | def iperfudp( self, bandwidth="10M", host1="h1", host2="h2"): |
| 1150 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1151 | ''' |
| 1152 | Creates an iperf UDP test with a specific bandwidth. |
| 1153 | Returns true if results are valid. |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1154 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1155 | @param: |
| 1156 | bandwidth: the targeted bandwidth, in megabits ('M'), to run the test |
| 1157 | ''' |
| 1158 | main.log.info(self.name + ": Simple iperf UDP test between two hosts") |
| 1159 | try: |
| 1160 | # setup the mininet command |
| 1161 | cmd = 'iperfudp ' + bandwidth + " " + host1 + " " + host2 |
| 1162 | self.handle.sendline(cmd) |
| 1163 | self.handle.expect("mininet>") |
| 1164 | response = self.handle.before |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1165 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1166 | # check if there are in results in the mininet response |
| 1167 | if "Results:" in response: |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 1168 | main.log.report(self.name + ": iperfudp test completed") |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1169 | # parse the results |
| 1170 | response = response.split("\r\n") |
| 1171 | response = response[len(response)-2] |
| 1172 | response = response.split(": ") |
| 1173 | response = response[len(response)-1] |
| 1174 | response = response.replace("[", "") |
| 1175 | response = response.replace("]", "") |
| 1176 | response = response.replace("\'", "") |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1177 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1178 | mnBandwidth = response.split(", ") |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1179 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1180 | # check to see if there are at least three entries |
| 1181 | # ['bandwidth', 'host1 to host2', 'host2 to host1'] |
| 1182 | if len(mnBandwidth) == 3: |
| 1183 | # if one entry is blank then something is wrong |
| 1184 | for item in mnBandwidth: |
| 1185 | if item == "": |
| 1186 | main.log.error(self.name + ": Could not parse iperf output") |
| 1187 | main.log.error(self.name + ": invalid iperfudp results") |
| 1188 | return main.FALSE |
| 1189 | # otherwise results are vaild |
| 1190 | main.log.report(self.name + ": iperfudp test successful") |
| 1191 | return main.TRUE |
| 1192 | else: |
| 1193 | main.log.error(self.name + ": invalid iperfudp results") |
| 1194 | return main.FALSE |
GlennRC | 61321f2 | 2015-07-16 13:36:54 -0700 | [diff] [blame] | 1195 | |
kelvin-onlab | 7cce938 | 2015-07-17 10:21:03 -0700 | [diff] [blame] | 1196 | except pexpect.EOF: |
| 1197 | main.log.error( self.name + ": EOF exception found" ) |
| 1198 | main.log.error( self.name + ": " + self.handle.before ) |
| 1199 | main.cleanup() |
| 1200 | main.exit() |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1201 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1202 | def nodes( self ): |
| 1203 | main.log.info( self.name + ": List all nodes." ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1204 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1205 | response = self.execute( |
| 1206 | cmd='nodes', |
| 1207 | prompt='mininet>', |
| 1208 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1209 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1210 | main.log.error( self.name + ": EOF exception found" ) |
| 1211 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1212 | main.cleanup() |
| 1213 | main.exit() |
Jon Hall | 668ed80 | 2014-04-08 17:17:59 -0700 | [diff] [blame] | 1214 | return response |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1215 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1216 | def pingpair( self ): |
| 1217 | main.log.info( self.name + ": Ping between first two hosts" ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1218 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1219 | response = self.execute( |
| 1220 | cmd='pingpair', |
| 1221 | prompt='mininet>', |
| 1222 | timeout=20 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1223 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1224 | main.log.error( self.name + ": EOF exception found" ) |
| 1225 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1226 | main.cleanup() |
| 1227 | main.exit() |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1228 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1229 | if re.search( ',\s0\%\spacket\sloss', response ): |
| 1230 | main.log.info( self.name + ": Ping between two hosts SUCCESSFUL" ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1231 | return main.TRUE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1232 | else: |
| 1233 | main.log.error( self.name + ": PACKET LOST, HOSTS NOT REACHABLE" ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1234 | return main.FALSE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1235 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1236 | def link( self, **linkargs ): |
| 1237 | """ |
| 1238 | Bring link( s ) between two nodes up or down""" |
kelvin-onlab | 7d0c967 | 2015-01-20 15:56:22 -0800 | [diff] [blame] | 1239 | args = utilities.parse_args( [ "END1", "END2", "OPTION" ], **linkargs ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1240 | end1 = args[ "END1" ] if args[ "END1" ] is not None else "" |
| 1241 | end2 = args[ "END2" ] if args[ "END2" ] is not None else "" |
| 1242 | option = args[ "OPTION" ] if args[ "OPTION" ] is not None else "" |
| 1243 | main.log.info( |
| 1244 | "Bring link between '" + |
| 1245 | end1 + |
| 1246 | "' and '" + |
| 1247 | end2 + |
| 1248 | "' '" + |
| 1249 | option + |
| 1250 | "'" ) |
| 1251 | command = "link " + \ |
| 1252 | str( end1 ) + " " + str( end2 ) + " " + str( option ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1253 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1254 | self.handle.sendline( command ) |
| 1255 | self.handle.expect( "mininet>" ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1256 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1257 | main.log.error( self.name + ": EOF exception found" ) |
| 1258 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1259 | main.cleanup() |
| 1260 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1261 | return main.TRUE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1262 | |
pingping-lin | 8244a3b | 2015-09-16 13:36:56 -0700 | [diff] [blame] | 1263 | def switch( self, **switchargs ): |
| 1264 | """ |
| 1265 | start/stop a switch |
| 1266 | """ |
| 1267 | args = utilities.parse_args( [ "SW", "OPTION" ], **switchargs ) |
| 1268 | sw = args[ "SW" ] if args[ "SW" ] is not None else "" |
| 1269 | option = args[ "OPTION" ] if args[ "OPTION" ] is not None else "" |
| 1270 | command = "switch " + str( sw ) + " " + str( option ) |
| 1271 | main.log.info( command ) |
| 1272 | try: |
| 1273 | self.handle.sendline( command ) |
| 1274 | self.handle.expect( "mininet>" ) |
| 1275 | except pexpect.TIMEOUT: |
| 1276 | main.log.error( self.name + ": pexpect.TIMEOUT found" ) |
| 1277 | main.cleanup() |
| 1278 | main.exit() |
| 1279 | except pexpect.EOF: |
| 1280 | main.log.error( self.name + ": EOF exception found" ) |
| 1281 | main.log.error( self.name + ": " + self.handle.before ) |
| 1282 | main.cleanup() |
| 1283 | main.exit() |
| 1284 | return main.TRUE |
| 1285 | |
pingping-lin | 5bb663b | 2015-09-24 11:47:50 -0700 | [diff] [blame] | 1286 | def node( self, nodeName, commandStr ): |
| 1287 | """ |
| 1288 | Carry out a command line on a given node |
| 1289 | @parm: |
| 1290 | nodeName: the node name in Mininet testbed |
| 1291 | commandStr: the command line will be carried out on the node |
| 1292 | Example: main.Mininet.node( nodeName="h1", commandStr="ls" ) |
| 1293 | """ |
| 1294 | command = str( nodeName ) + " " + str( commandStr ) |
| 1295 | main.log.info( command ) |
| 1296 | |
| 1297 | try: |
| 1298 | response = self.execute( cmd = command, prompt = "mininet>" ) |
| 1299 | if re.search( "Unknown command", response ): |
| 1300 | main.log.warn( response ) |
| 1301 | return main.FALSE |
| 1302 | except pexpect.TIMEOUT: |
| 1303 | main.log.error( self.name + ": pexpect.TIMEOUT found" ) |
| 1304 | main.cleanup() |
| 1305 | main.exit() |
| 1306 | except pexpect.EOF: |
| 1307 | main.log.error( self.name + ": EOF exception found" ) |
| 1308 | main.log.error( self.name + ": " + self.handle.before ) |
| 1309 | main.cleanup() |
| 1310 | main.exit() |
| 1311 | main.log.info( " response is :" ) |
| 1312 | main.log.info( response ) |
| 1313 | return response |
| 1314 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1315 | def yank( self, **yankargs ): |
| 1316 | """ |
| 1317 | yank a mininet switch interface to a host""" |
| 1318 | main.log.info( 'Yank the switch interface attached to a host' ) |
kelvin-onlab | 7d0c967 | 2015-01-20 15:56:22 -0800 | [diff] [blame] | 1319 | args = utilities.parse_args( [ "SW", "INTF" ], **yankargs ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1320 | sw = args[ "SW" ] if args[ "SW" ] is not None else "" |
| 1321 | intf = args[ "INTF" ] if args[ "INTF" ] is not None else "" |
| 1322 | command = "py " + str( sw ) + '.detach("' + str(intf) + '")' |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1323 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1324 | response = self.execute( |
| 1325 | cmd=command, |
| 1326 | prompt="mininet>", |
| 1327 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1328 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1329 | main.log.error( self.name + ": EOF exception found" ) |
| 1330 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1331 | main.cleanup() |
| 1332 | main.exit() |
admin | aeedddd | 2013-08-02 15:14:15 -0700 | [diff] [blame] | 1333 | return main.TRUE |
| 1334 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1335 | def plug( self, **plugargs ): |
| 1336 | """ |
| 1337 | plug the yanked mininet switch interface to a switch""" |
| 1338 | main.log.info( 'Plug the switch interface attached to a switch' ) |
kelvin-onlab | 7d0c967 | 2015-01-20 15:56:22 -0800 | [diff] [blame] | 1339 | args = utilities.parse_args( [ "SW", "INTF" ], **plugargs ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1340 | sw = args[ "SW" ] if args[ "SW" ] is not None else "" |
| 1341 | intf = args[ "INTF" ] if args[ "INTF" ] is not None else "" |
| 1342 | command = "py " + str( sw ) + '.attach("' + str(intf) + '")' |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1343 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1344 | response = self.execute( |
| 1345 | cmd=command, |
| 1346 | prompt="mininet>", |
| 1347 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1348 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1349 | main.log.error( self.name + ": EOF exception found" ) |
| 1350 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1351 | main.cleanup() |
| 1352 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1353 | return main.TRUE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1354 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1355 | def dpctl( self, **dpctlargs ): |
| 1356 | """ |
| 1357 | Run dpctl command on all switches.""" |
| 1358 | main.log.info( 'Run dpctl command on all switches' ) |
kelvin-onlab | 7d0c967 | 2015-01-20 15:56:22 -0800 | [diff] [blame] | 1359 | args = utilities.parse_args( [ "CMD", "ARGS" ], **dpctlargs ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1360 | cmd = args[ "CMD" ] if args[ "CMD" ] is not None else "" |
| 1361 | cmdargs = args[ "ARGS" ] if args[ "ARGS" ] is not None else "" |
| 1362 | command = "dpctl " + cmd + " " + str( cmdargs ) |
| 1363 | try: |
| 1364 | response = self.execute( |
| 1365 | cmd=command, |
| 1366 | prompt="mininet>", |
| 1367 | timeout=10 ) |
| 1368 | except pexpect.EOF: |
| 1369 | main.log.error( self.name + ": EOF exception found" ) |
| 1370 | main.log.error( self.name + ": " + self.handle.before ) |
| 1371 | main.cleanup() |
| 1372 | main.exit() |
| 1373 | return main.TRUE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1374 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1375 | def getVersion( self ): |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1376 | # FIXME: What uses this? This should be refactored to get |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 1377 | # version from MN and not some other file |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1378 | fileInput = path + '/lib/Mininet/INSTALL' |
| 1379 | version = super( Mininet, self ).getVersion() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1380 | pattern = 'Mininet\s\w\.\w\.\w\w*' |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1381 | for line in open( fileInput, 'r' ).readlines(): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1382 | result = re.match( pattern, line ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1383 | if result: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1384 | version = result.group( 0 ) |
Jon Hall | ec3c21e | 2014-11-10 22:22:37 -0500 | [diff] [blame] | 1385 | return version |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1386 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1387 | def getSwController( self, sw ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1388 | """ |
Jon Hall | ec3c21e | 2014-11-10 22:22:37 -0500 | [diff] [blame] | 1389 | Parameters: |
| 1390 | sw: The name of an OVS switch. Example "s1" |
| 1391 | Return: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1392 | The output of the command from the mininet cli |
| 1393 | or main.FALSE on timeout""" |
| 1394 | command = "sh ovs-vsctl get-controller " + str( sw ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1395 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1396 | response = self.execute( |
| 1397 | cmd=command, |
| 1398 | prompt="mininet>", |
| 1399 | timeout=10 ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1400 | if response: |
Jon Hall | ec3c21e | 2014-11-10 22:22:37 -0500 | [diff] [blame] | 1401 | return response |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1402 | else: |
| 1403 | return main.FALSE |
| 1404 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1405 | main.log.error( self.name + ": EOF exception found" ) |
| 1406 | main.log.error( self.name + ": " + self.handle.before ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1407 | main.cleanup() |
| 1408 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1409 | |
Charles Chan | 029be65 | 2015-08-24 01:46:10 +0800 | [diff] [blame] | 1410 | def assignSwController( self, sw, ip, port="6653", ptcp="" ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1411 | """ |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1412 | Description: |
| 1413 | Assign switches to the controllers ( for ovs use only ) |
| 1414 | Required: |
| 1415 | sw - Name of the switch. This can be a list or a string. |
| 1416 | ip - Ip addresses of controllers. This can be a list or a string. |
| 1417 | Optional: |
Charles Chan | 029be65 | 2015-08-24 01:46:10 +0800 | [diff] [blame] | 1418 | port - ONOS use port 6653, if no list of ports is passed, then |
| 1419 | the all the controller will use 6653 as their port number |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1420 | ptcp - ptcp number, This can be a string or a list that has |
| 1421 | the same length as switch. This is optional and not required |
| 1422 | when using ovs switches. |
| 1423 | NOTE: If switches and ptcp are given in a list type they should have the |
| 1424 | same length and should be in the same order, Eg. sw=[ 's1' ... n ] |
| 1425 | ptcp=[ '6637' ... n ], s1 has ptcp number 6637 and so on. |
Jon Hall | f89c855 | 2014-04-02 13:14:06 -0700 | [diff] [blame] | 1426 | |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1427 | Return: |
| 1428 | Returns main.TRUE if mininet correctly assigned switches to |
| 1429 | controllers, otherwise it will return main.FALSE or an appropriate |
| 1430 | exception(s) |
| 1431 | """ |
| 1432 | assignResult = main.TRUE |
| 1433 | # Initial ovs command |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1434 | commandList = [] |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1435 | command = "sh ovs-vsctl set-controller " |
| 1436 | onosIp = "" |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1437 | try: |
| 1438 | if isinstance( ip, types.StringType ): |
kelvin-onlab | f713d7c | 2015-06-11 14:29:05 -0700 | [diff] [blame] | 1439 | onosIp = "tcp:" + str( ip ) + ":" |
kelvin-onlab | 5c2df43 | 2015-06-11 17:29:56 -0700 | [diff] [blame] | 1440 | if isinstance( port, types.StringType ) or \ |
| 1441 | isinstance( port, types.IntType ): |
kelvin-onlab | f713d7c | 2015-06-11 14:29:05 -0700 | [diff] [blame] | 1442 | onosIp += str( port ) |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1443 | elif isinstance( port, types.ListType ): |
| 1444 | main.log.error( self.name + ": Only one controller " + |
| 1445 | "assigned and a list of ports has" + |
| 1446 | " been passed" ) |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1447 | return main.FALSE |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1448 | else: |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1449 | main.log.error( self.name + ": Invalid controller port " + |
| 1450 | "number. Please specify correct " + |
| 1451 | "controller port" ) |
| 1452 | return main.FALSE |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1453 | |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1454 | elif isinstance( ip, types.ListType ): |
kelvin-onlab | 5c2df43 | 2015-06-11 17:29:56 -0700 | [diff] [blame] | 1455 | if isinstance( port, types.StringType ) or \ |
| 1456 | isinstance( port, types.IntType ): |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1457 | for ipAddress in ip: |
kelvin-onlab | f713d7c | 2015-06-11 14:29:05 -0700 | [diff] [blame] | 1458 | onosIp += "tcp:" + str( ipAddress ) + ":" + \ |
| 1459 | str( port ) + " " |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1460 | elif isinstance( port, types.ListType ): |
| 1461 | if ( len( ip ) != len( port ) ): |
| 1462 | main.log.error( self.name + ": Port list = " + |
| 1463 | str( len( port ) ) + |
| 1464 | "should be the same as controller" + |
| 1465 | " ip list = " + str( len( ip ) ) ) |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1466 | return main.FALSE |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1467 | else: |
| 1468 | onosIp = "" |
| 1469 | for ipAddress, portNum in zip( ip, port ): |
kelvin-onlab | f713d7c | 2015-06-11 14:29:05 -0700 | [diff] [blame] | 1470 | onosIp += "tcp:" + str( ipAddress ) + ":" + \ |
| 1471 | str( portNum ) + " " |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1472 | else: |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1473 | main.log.error( self.name + ": Invalid controller port " + |
| 1474 | "number. Please specify correct " + |
| 1475 | "controller port" ) |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1476 | return main.FALSE |
kelvin-onlab | e5edb9e | 2015-06-12 09:38:47 -0700 | [diff] [blame] | 1477 | else: |
| 1478 | main.log.error( self.name + ": Invalid ip address" ) |
| 1479 | return main.FALSE |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1480 | |
| 1481 | if isinstance( sw, types.StringType ): |
| 1482 | command += sw + " " |
| 1483 | if ptcp: |
| 1484 | if isinstance( ptcp, types.StringType ): |
kelvin-onlab | f713d7c | 2015-06-11 14:29:05 -0700 | [diff] [blame] | 1485 | command += "ptcp:" + str( ptcp ) + " " |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1486 | elif isinstance( ptcp, types.ListType ): |
| 1487 | main.log.error( self.name + ": Only one switch is " + |
| 1488 | "being set and multiple PTCP is " + |
| 1489 | "being passed " ) |
| 1490 | else: |
| 1491 | main.log.error( self.name + ": Invalid PTCP" ) |
| 1492 | ptcp = "" |
| 1493 | command += onosIp |
| 1494 | commandList.append( command ) |
| 1495 | |
| 1496 | elif isinstance( sw, types.ListType ): |
| 1497 | if ptcp: |
| 1498 | if isinstance( ptcp, types.ListType ): |
| 1499 | if len( ptcp ) != len( sw ): |
| 1500 | main.log.error( self.name + ": PTCP length = " + |
| 1501 | str( len( ptcp ) ) + |
| 1502 | " is not the same as switch" + |
| 1503 | " length = " + |
| 1504 | str( len( sw ) ) ) |
| 1505 | return main.FALSE |
| 1506 | else: |
| 1507 | for switch, ptcpNum in zip( sw, ptcp ): |
| 1508 | tempCmd = "sh ovs-vsctl set-controller " |
kelvin-onlab | f713d7c | 2015-06-11 14:29:05 -0700 | [diff] [blame] | 1509 | tempCmd += switch + " ptcp:" + \ |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1510 | str( ptcpNum ) + " " |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1511 | tempCmd += onosIp |
| 1512 | commandList.append( tempCmd ) |
| 1513 | else: |
| 1514 | main.log.error( self.name + ": Invalid PTCP" ) |
| 1515 | return main.FALSE |
| 1516 | else: |
| 1517 | for switch in sw: |
| 1518 | tempCmd = "sh ovs-vsctl set-controller " |
| 1519 | tempCmd += switch + " " + onosIp |
| 1520 | commandList.append( tempCmd ) |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1521 | else: |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1522 | main.log.error( self.name + ": Invalid switch type " ) |
| 1523 | return main.FALSE |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1524 | |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1525 | for cmd in commandList: |
| 1526 | try: |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 1527 | self.execute( cmd=cmd, prompt="mininet>", timeout=5 ) |
kelvin-onlab | 4f9f7e0 | 2015-06-11 14:07:20 -0700 | [diff] [blame] | 1528 | except pexpect.TIMEOUT: |
| 1529 | main.log.error( self.name + ": pexpect.TIMEOUT found" ) |
| 1530 | return main.FALSE |
| 1531 | except pexpect.EOF: |
| 1532 | main.log.error( self.name + ": EOF exception found" ) |
| 1533 | main.log.error( self.name + ": " + self.handle.before ) |
| 1534 | main.cleanup() |
| 1535 | main.exit() |
| 1536 | return main.TRUE |
| 1537 | except Exception: |
| 1538 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 1539 | main.cleanup() |
| 1540 | main.exit() |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1541 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1542 | def deleteSwController( self, sw ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1543 | """ |
| 1544 | Removes the controller target from sw""" |
| 1545 | command = "sh ovs-vsctl del-controller " + str( sw ) |
Jon Hall | 0819fd9 | 2014-05-23 12:08:13 -0700 | [diff] [blame] | 1546 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1547 | response = self.execute( |
| 1548 | cmd=command, |
| 1549 | prompt="mininet>", |
| 1550 | timeout=10 ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1551 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1552 | main.log.error( self.name + ": EOF exception found" ) |
| 1553 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 0819fd9 | 2014-05-23 12:08:13 -0700 | [diff] [blame] | 1554 | main.cleanup() |
| 1555 | main.exit() |
| 1556 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1557 | main.log.info( response ) |
Jon Hall | 0819fd9 | 2014-05-23 12:08:13 -0700 | [diff] [blame] | 1558 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1559 | def addSwitch( self, sw, **kwargs ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1560 | """ |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1561 | adds a switch to the mininet topology |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1562 | NOTE: This uses a custom mn function. MN repo should be on |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 1563 | dynamic_topo branch |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1564 | NOTE: cannot currently specify what type of switch |
| 1565 | required params: |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1566 | sw = name of the new switch as a string |
| 1567 | optional keywords: |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1568 | dpid = "dpid" |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1569 | returns: main.FALSE on an error, else main.TRUE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1570 | """ |
| 1571 | dpid = kwargs.get( 'dpid', '' ) |
Jon Hall | ffb386d | 2014-11-21 13:43:38 -0800 | [diff] [blame] | 1572 | command = "addswitch " + str( sw ) + " " + str( dpid ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1573 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1574 | response = self.execute( |
| 1575 | cmd=command, |
| 1576 | prompt="mininet>", |
| 1577 | timeout=10 ) |
| 1578 | if re.search( "already exists!", response ): |
| 1579 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1580 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1581 | elif re.search( "Error", response ): |
| 1582 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1583 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1584 | elif re.search( "usage:", response ): |
| 1585 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1586 | return main.FALSE |
| 1587 | else: |
| 1588 | return main.TRUE |
| 1589 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1590 | main.log.error( self.name + ": EOF exception found" ) |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1591 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1592 | main.cleanup() |
| 1593 | main.exit() |
| 1594 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1595 | def delSwitch( self, sw ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1596 | """ |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1597 | delete a switch from the mininet topology |
| 1598 | NOTE: This uses a custom mn function. MN repo should be on |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 1599 | dynamic_topo branch |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1600 | required params: |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1601 | sw = name of the switch as a string |
| 1602 | returns: main.FALSE on an error, else main.TRUE""" |
Jon Hall | ffb386d | 2014-11-21 13:43:38 -0800 | [diff] [blame] | 1603 | command = "delswitch " + str( sw ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1604 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1605 | response = self.execute( |
| 1606 | cmd=command, |
| 1607 | prompt="mininet>", |
| 1608 | timeout=10 ) |
| 1609 | if re.search( "no switch named", response ): |
| 1610 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1611 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1612 | elif re.search( "Error", response ): |
| 1613 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1614 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1615 | elif re.search( "usage:", response ): |
| 1616 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1617 | return main.FALSE |
| 1618 | else: |
| 1619 | return main.TRUE |
| 1620 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1621 | main.log.error( self.name + ": EOF exception found" ) |
| 1622 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1623 | main.cleanup() |
| 1624 | main.exit() |
| 1625 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1626 | def addLink( self, node1, node2 ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1627 | """ |
| 1628 | add a link to the mininet topology |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1629 | NOTE: This uses a custom mn function. MN repo should be on |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 1630 | dynamic_topo branch |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1631 | NOTE: cannot currently specify what type of link |
| 1632 | required params: |
| 1633 | node1 = the string node name of the first endpoint of the link |
| 1634 | node2 = the string node name of the second endpoint of the link |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1635 | returns: main.FALSE on an error, else main.TRUE""" |
Jon Hall | ffb386d | 2014-11-21 13:43:38 -0800 | [diff] [blame] | 1636 | command = "addlink " + str( node1 ) + " " + str( node2 ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1637 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1638 | response = self.execute( |
| 1639 | cmd=command, |
| 1640 | prompt="mininet>", |
| 1641 | timeout=10 ) |
| 1642 | if re.search( "doesnt exist!", response ): |
| 1643 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1644 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1645 | elif re.search( "Error", response ): |
| 1646 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1647 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1648 | elif re.search( "usage:", response ): |
| 1649 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1650 | return main.FALSE |
| 1651 | else: |
| 1652 | return main.TRUE |
| 1653 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1654 | main.log.error( self.name + ": EOF exception found" ) |
| 1655 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1656 | main.cleanup() |
| 1657 | main.exit() |
| 1658 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1659 | def delLink( self, node1, node2 ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1660 | """ |
| 1661 | delete a link from the mininet topology |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1662 | NOTE: This uses a custom mn function. MN repo should be on |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 1663 | dynamic_topo branch |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1664 | required params: |
| 1665 | node1 = the string node name of the first endpoint of the link |
| 1666 | node2 = the string node name of the second endpoint of the link |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1667 | returns: main.FALSE on an error, else main.TRUE""" |
Jon Hall | ffb386d | 2014-11-21 13:43:38 -0800 | [diff] [blame] | 1668 | command = "dellink " + str( node1 ) + " " + str( node2 ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1669 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1670 | response = self.execute( |
| 1671 | cmd=command, |
| 1672 | prompt="mininet>", |
| 1673 | timeout=10 ) |
| 1674 | if re.search( "no node named", response ): |
| 1675 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1676 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1677 | elif re.search( "Error", response ): |
| 1678 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1679 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1680 | elif re.search( "usage:", response ): |
| 1681 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1682 | return main.FALSE |
| 1683 | else: |
| 1684 | return main.TRUE |
| 1685 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1686 | main.log.error( self.name + ": EOF exception found" ) |
| 1687 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1688 | main.cleanup() |
| 1689 | main.exit() |
| 1690 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1691 | def addHost( self, hostname, **kwargs ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1692 | """ |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1693 | Add a host to the mininet topology |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1694 | NOTE: This uses a custom mn function. MN repo should be on |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 1695 | dynamic_topo branch |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1696 | NOTE: cannot currently specify what type of host |
| 1697 | required params: |
| 1698 | hostname = the string hostname |
| 1699 | optional key-value params |
| 1700 | switch = "switch name" |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1701 | returns: main.FALSE on an error, else main.TRUE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1702 | """ |
| 1703 | switch = kwargs.get( 'switch', '' ) |
Jon Hall | ffb386d | 2014-11-21 13:43:38 -0800 | [diff] [blame] | 1704 | command = "addhost " + str( hostname ) + " " + str( switch ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1705 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1706 | response = self.execute( |
| 1707 | cmd=command, |
| 1708 | prompt="mininet>", |
| 1709 | timeout=10 ) |
| 1710 | if re.search( "already exists!", response ): |
| 1711 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1712 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1713 | elif re.search( "doesnt exists!", response ): |
| 1714 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1715 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1716 | elif re.search( "Error", response ): |
| 1717 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1718 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1719 | elif re.search( "usage:", response ): |
| 1720 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1721 | return main.FALSE |
| 1722 | else: |
| 1723 | return main.TRUE |
| 1724 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1725 | main.log.error( self.name + ": EOF exception found" ) |
| 1726 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1727 | main.cleanup() |
| 1728 | main.exit() |
| 1729 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 1730 | def delHost( self, hostname ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1731 | """ |
| 1732 | delete a host from the mininet topology |
Jon Hall | be6dfc4 | 2015-01-12 17:37:25 -0800 | [diff] [blame] | 1733 | NOTE: This uses a custom mn function. MN repo should be on |
Jon Hall | 272a4db | 2015-01-12 17:43:48 -0800 | [diff] [blame] | 1734 | dynamic_topo branch |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1735 | NOTE: this uses a custom mn function |
| 1736 | required params: |
| 1737 | hostname = the string hostname |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1738 | returns: main.FALSE on an error, else main.TRUE""" |
Jon Hall | ffb386d | 2014-11-21 13:43:38 -0800 | [diff] [blame] | 1739 | command = "delhost " + str( hostname ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1740 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1741 | response = self.execute( |
| 1742 | cmd=command, |
| 1743 | prompt="mininet>", |
| 1744 | timeout=10 ) |
| 1745 | if re.search( "no host named", response ): |
| 1746 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1747 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1748 | elif re.search( "Error", response ): |
| 1749 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1750 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1751 | elif re.search( "usage:", response ): |
| 1752 | main.log.warn( response ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1753 | return main.FALSE |
| 1754 | else: |
| 1755 | return main.TRUE |
| 1756 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1757 | main.log.error( self.name + ": EOF exception found" ) |
| 1758 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 1759 | main.cleanup() |
| 1760 | main.exit() |
Jon Hall | 0819fd9 | 2014-05-23 12:08:13 -0700 | [diff] [blame] | 1761 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1762 | def disconnect( self ): |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 1763 | """ |
kelvin-onlab | 00ac67b | 2015-02-04 09:52:02 -0800 | [diff] [blame] | 1764 | Called at the end of the test to stop the mininet and |
| 1765 | disconnect the handle. |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 1766 | """ |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1767 | self.handle.sendline( '' ) |
Jon Hall | d61331b | 2015-02-17 16:35:47 -0800 | [diff] [blame] | 1768 | i = self.handle.expect( [ 'mininet>', pexpect.EOF, pexpect.TIMEOUT ], |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1769 | timeout=2 ) |
Jon Hall | 390696c | 2015-05-05 17:13:41 -0700 | [diff] [blame] | 1770 | response = main.TRUE |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 1771 | if i == 0: |
Jon Hall | 390696c | 2015-05-05 17:13:41 -0700 | [diff] [blame] | 1772 | response = self.stopNet() |
Jon Hall | d61331b | 2015-02-17 16:35:47 -0800 | [diff] [blame] | 1773 | elif i == 1: |
| 1774 | return main.TRUE |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 1775 | # print "Disconnecting Mininet" |
| 1776 | if self.handle: |
| 1777 | self.handle.sendline( "exit" ) |
| 1778 | self.handle.expect( "exit" ) |
| 1779 | self.handle.expect( "(.*)" ) |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 1780 | else: |
| 1781 | main.log.error( "Connection failed to the host" ) |
kelvin-onlab | a148458 | 2015-02-02 15:46:20 -0800 | [diff] [blame] | 1782 | return response |
| 1783 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1784 | def stopNet( self, fileName="", timeout=5 ): |
kelvin-onlab | 00ac67b | 2015-02-04 09:52:02 -0800 | [diff] [blame] | 1785 | """ |
Jon Hall | 21270ac | 2015-02-16 17:59:55 -0800 | [diff] [blame] | 1786 | Stops mininet. |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 1787 | Returns main.TRUE if the mininet successfully stops and |
Jon Hall | 21270ac | 2015-02-16 17:59:55 -0800 | [diff] [blame] | 1788 | main.FALSE if the pexpect handle does not exist. |
| 1789 | |
Jon Hall | d61331b | 2015-02-17 16:35:47 -0800 | [diff] [blame] | 1790 | Will cleanup and exit the test if mininet fails to stop |
kelvin-onlab | 00ac67b | 2015-02-04 09:52:02 -0800 | [diff] [blame] | 1791 | """ |
Jon Hall | d61331b | 2015-02-17 16:35:47 -0800 | [diff] [blame] | 1792 | main.log.info( self.name + ": Stopping mininet..." ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1793 | response = '' |
| 1794 | if self.handle: |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1795 | try: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1796 | self.handle.sendline( "" ) |
kelvin-onlab | 56a3f46 | 2015-02-06 14:04:43 -0800 | [diff] [blame] | 1797 | i = self.handle.expect( [ 'mininet>', |
| 1798 | '\$', |
| 1799 | pexpect.EOF, |
| 1800 | pexpect.TIMEOUT ], |
| 1801 | timeout ) |
| 1802 | if i == 0: |
| 1803 | main.log.info( "Exiting mininet..." ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1804 | response = self.execute( |
| 1805 | cmd="exit", |
| 1806 | prompt="(.*)", |
| 1807 | timeout=120 ) |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1808 | main.log.info( self.name + ": Stopped" ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1809 | self.handle.sendline( "sudo mn -c" ) |
shahshreya | 328c2a7 | 2014-11-17 10:19:50 -0800 | [diff] [blame] | 1810 | response = main.TRUE |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 1811 | |
kelvin-onlab | 56a3f46 | 2015-02-06 14:04:43 -0800 | [diff] [blame] | 1812 | if i == 1: |
| 1813 | main.log.info( " Mininet trying to exit while not " + |
| 1814 | "in the mininet prompt" ) |
| 1815 | elif i == 2: |
| 1816 | main.log.error( "Something went wrong exiting mininet" ) |
| 1817 | elif i == 3: # timeout |
| 1818 | main.log.error( "Something went wrong exiting mininet " + |
| 1819 | "TIMEOUT" ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 1820 | |
Hari Krishna | b35c6d0 | 2015-03-18 11:13:51 -0700 | [diff] [blame] | 1821 | if fileName: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 1822 | self.handle.sendline( "" ) |
| 1823 | self.handle.expect( '\$' ) |
| 1824 | self.handle.sendline( |
| 1825 | "sudo kill -9 \`ps -ef | grep \"" + |
| 1826 | fileName + |
| 1827 | "\" | grep -v grep | awk '{print $2}'\`" ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1828 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1829 | main.log.error( self.name + ": EOF exception found" ) |
| 1830 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | 6094a36 | 2014-04-11 14:46:56 -0700 | [diff] [blame] | 1831 | main.cleanup() |
| 1832 | main.exit() |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1833 | else: |
| 1834 | main.log.error( self.name + ": Connection failed to the host" ) |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 1835 | response = main.FALSE |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1836 | return response |
| 1837 | |
Jon Hall | a5cb341 | 2015-08-18 14:08:22 -0700 | [diff] [blame] | 1838 | def arping( self, srcHost="", dstHost="10.128.20.211", ethDevice="" ): |
kelvin-onlab | 65782a8 | 2015-05-07 14:12:13 -0700 | [diff] [blame] | 1839 | """ |
| 1840 | Description: |
| 1841 | Sends arp message from mininet host for hosts discovery |
| 1842 | Required: |
| 1843 | host - hosts name |
| 1844 | Optional: |
| 1845 | ip - ip address that does not exist in the network so there would |
| 1846 | be no reply. |
| 1847 | """ |
kelvin-onlab | f0594d7 | 2015-05-19 17:25:12 -0700 | [diff] [blame] | 1848 | if ethDevice: |
| 1849 | ethDevice = '-I ' + ethDevice + ' ' |
Jon Hall | a5cb341 | 2015-08-18 14:08:22 -0700 | [diff] [blame] | 1850 | cmd = srcHost + " arping -c1 " + ethDevice + dstHost |
admin | 0752993 | 2013-11-22 14:58:28 -0800 | [diff] [blame] | 1851 | try: |
Jon Hall | a5cb341 | 2015-08-18 14:08:22 -0700 | [diff] [blame] | 1852 | main.log.info( "Sending: " + cmd ) |
kelvin-onlab | 65782a8 | 2015-05-07 14:12:13 -0700 | [diff] [blame] | 1853 | self.handle.sendline( cmd ) |
Jon Hall | a5cb341 | 2015-08-18 14:08:22 -0700 | [diff] [blame] | 1854 | i = self.handle.expect( [ "mininet>", "arping: " ] ) |
| 1855 | if i == 0: |
| 1856 | return main.TRUE |
| 1857 | elif i == 1: |
| 1858 | response = self.handle.before + self.handle.after |
| 1859 | self.handle.expect( "mininet>" ) |
| 1860 | response += self.handle.before + self.handle.after |
| 1861 | main.log.warn( "Error sending arping, output was: " + |
| 1862 | response ) |
| 1863 | return main.FALSE |
| 1864 | except pexpect.TIMEOUT: |
| 1865 | main.log.error( self.name + ": TIMEOUT exception found" ) |
| 1866 | main.log.warn( self.handle.before ) |
| 1867 | return main.FALSE |
kelvin-onlab | 65782a8 | 2015-05-07 14:12:13 -0700 | [diff] [blame] | 1868 | except pexpect.EOF: |
| 1869 | main.log.error( self.name + ": EOF exception found" ) |
| 1870 | main.log.error( self.name + ": " + self.handle.before ) |
| 1871 | main.cleanup() |
| 1872 | main.exit() |
admin | 0752993 | 2013-11-22 14:58:28 -0800 | [diff] [blame] | 1873 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1874 | def decToHex( self, num ): |
| 1875 | return hex( num ).split( 'x' )[ 1 ] |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1876 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1877 | def getSwitchFlowCount( self, switch ): |
| 1878 | """ |
| 1879 | return the Flow Count of the switch""" |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1880 | if self.handle: |
| 1881 | cmd = "sh ovs-ofctl dump-aggregate %s" % switch |
| 1882 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1883 | response = self.execute( |
| 1884 | cmd=cmd, |
| 1885 | prompt="mininet>", |
| 1886 | timeout=10 ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1887 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1888 | main.log.error( self.name + ": EOF exception found" ) |
| 1889 | main.log.error( self.name + " " + self.handle.before ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1890 | main.cleanup() |
| 1891 | main.exit() |
| 1892 | pattern = "flow_count=(\d+)" |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1893 | result = re.search( pattern, response, re.MULTILINE ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1894 | if result is None: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1895 | main.log.info( |
| 1896 | "Couldn't find flows on switch %s, found: %s" % |
| 1897 | ( switch, response ) ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1898 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1899 | return result.group( 1 ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 1900 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 1901 | main.log.error( "Connection failed to the Mininet host" ) |
Jon Hall | fbc828e | 2015-01-06 17:30:19 -0800 | [diff] [blame] | 1902 | |
Jon Hall | 9043c90 | 2015-07-30 14:23:44 -0700 | [diff] [blame] | 1903 | def flowComp( self, flow1, flow2 ): |
| 1904 | if flow1 == flow2: |
| 1905 | return main.TRUE |
| 1906 | else: |
| 1907 | main.log.info( "Flow tables do not match, printing tables:" ) |
| 1908 | main.log.info( "Flow Table 1:" ) |
| 1909 | main.log.info( flow1 ) |
| 1910 | main.log.info( "Flow Table 2:" ) |
| 1911 | main.log.info( flow2 ) |
| 1912 | return main.FALSE |
| 1913 | |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 1914 | def parseFlowTable( self, flowTable, version="", debug=True ): |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 1915 | ''' |
| 1916 | Discription: Parses flows into json format. |
| 1917 | NOTE: this can parse any string thats separated with commas |
| 1918 | Arguments: |
| 1919 | Required: |
| 1920 | flows: a list of strings that represnt flows |
| 1921 | Optional: |
| 1922 | version: The version of OpenFlow. Currently, 1.3 and 1.0 are supported. |
| 1923 | debug: prints out the final result |
| 1924 | returns: A list of flows in json format |
| 1925 | ''' |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 1926 | jsonFlowTable = [] |
| 1927 | for flow in flowTable: |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 1928 | jsonFlow = {} |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 1929 | # split up the fields of the flow |
| 1930 | parsedFlow = flow.split(", ") |
| 1931 | # get rid of any spaces in front of the field |
| 1932 | for i in range( len(parsedFlow) ): |
| 1933 | item = parsedFlow[i] |
| 1934 | if item[0] == " ": |
| 1935 | parsedFlow[i] = item[1:] |
| 1936 | # grab the selector and treatment from the parsed flow |
| 1937 | # the last element is the selector and the treatment |
| 1938 | temp = parsedFlow.pop(-1) |
| 1939 | # split up the selector and the treatment |
| 1940 | temp = temp.split(" ") |
| 1941 | index = 0 |
| 1942 | # parse the flags |
| 1943 | # NOTE: This only parses one flag |
| 1944 | flag = {} |
| 1945 | if version == "1.3": |
| 1946 | flag = {"flag":[temp[index]]} |
| 1947 | index += 1 |
| 1948 | # the first element is the selector and split it up |
| 1949 | sel = temp[index] |
| 1950 | index += 1 |
| 1951 | sel = sel.split(",") |
| 1952 | # the priority is stuck in the selecter so put it back |
| 1953 | # in the flow |
| 1954 | parsedFlow.append(sel.pop(0)) |
| 1955 | # parse selector |
| 1956 | criteria = [] |
| 1957 | for item in sel: |
| 1958 | # this is the type of the packet e.g. "arp" |
| 1959 | if "=" not in item: |
| 1960 | criteria.append( {"type":item} ) |
| 1961 | else: |
| 1962 | field = item.split("=") |
| 1963 | criteria.append( {field[0]:field[1]} ) |
| 1964 | selector = {"selector": {"criteria":criteria} } |
| 1965 | treat = temp[index] |
| 1966 | # get rid of the action part e.g. "action=output:2" |
| 1967 | # we will add it back later |
| 1968 | treat = treat.split("=") |
| 1969 | treat.pop(0) |
| 1970 | # parse treatment |
| 1971 | action = [] |
| 1972 | for item in treat: |
| 1973 | field = item.split(":") |
| 1974 | action.append( {field[0]:field[1]} ) |
| 1975 | # create the treatment field and add the actions |
| 1976 | treatment = {"treatment": {"action":action} } |
| 1977 | # parse the rest of the flow |
| 1978 | for item in parsedFlow: |
| 1979 | field = item.split("=") |
| 1980 | jsonFlow.update( {field[0]:field[1]} ) |
| 1981 | # add the treatment and the selector to the json flow |
| 1982 | jsonFlow.update( selector ) |
| 1983 | jsonFlow.update( treatment ) |
| 1984 | jsonFlow.update( flag ) |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 1985 | |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 1986 | if debug: main.log.debug( "\033[94mJson flow:\033[0m\n{}\n".format(jsonFlow) ) |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 1987 | |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 1988 | # add the json flow to the json flow table |
| 1989 | jsonFlowTable.append( jsonFlow ) |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 1990 | |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 1991 | return jsonFlowTable |
| 1992 | |
| 1993 | def getFlowTable( self, sw, version="", debug=True): |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 1994 | ''' |
| 1995 | Discription: Returns the flow table(s) on a switch or switches in a list. |
| 1996 | Each element is a flow. |
| 1997 | Arguments: |
| 1998 | Required: |
| 1999 | sw: The switch name ("s1") to retrive the flow table. Can also be |
| 2000 | a list of switches. |
| 2001 | Optional: |
| 2002 | version: The version of OpenFlow. Currently, 1.3 and 1.0 are supported. |
| 2003 | debug: prints out the final result |
| 2004 | ''' |
| 2005 | try: |
| 2006 | switches = [] |
| 2007 | if type(sw) is list: |
Jon Hall | ca7ac29 | 2015-11-11 09:28:12 -0800 | [diff] [blame] | 2008 | switches.extend(sw) |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2009 | else: switches.append(sw) |
| 2010 | |
| 2011 | flows = [] |
| 2012 | for s in switches: |
| 2013 | cmd = "sh ovs-ofctl dump-flows " + s |
| 2014 | |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 2015 | if "1.0" == version: |
| 2016 | cmd += " -F OpenFlow10-table_id" |
| 2017 | elif "1.3" == version: |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2018 | cmd += " -O OpenFlow13" |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2019 | |
| 2020 | main.log.info( "Sending: " + cmd ) |
| 2021 | self.handle.sendline( cmd ) |
| 2022 | self.handle.expect( "mininet>" ) |
| 2023 | response = self.handle.before |
| 2024 | response = response.split( "\r\n" ) |
| 2025 | # dump the first two elements and the last |
| 2026 | # the first element is the command that was sent |
| 2027 | # the second is the table header |
| 2028 | # the last element is empty |
| 2029 | response = response[2:-1] |
| 2030 | flows.extend( response ) |
| 2031 | |
| 2032 | if debug: print "Flows:\n{}\n\n".format(flows) |
| 2033 | |
GlennRC | 528ad29 | 2015-11-12 10:38:18 -0800 | [diff] [blame] | 2034 | return self.parseFlowTable( flows, version, debug ) |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2035 | |
| 2036 | except pexpect.TIMEOUT: |
| 2037 | main.log.exception( self.name + ": Command timed out" ) |
| 2038 | return None |
| 2039 | except pexpect.EOF: |
| 2040 | main.log.exception( self.name + ": connection closed." ) |
| 2041 | main.cleanup() |
| 2042 | main.exit() |
| 2043 | except Exception: |
| 2044 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2045 | main.cleanup() |
| 2046 | main.exit() |
| 2047 | |
| 2048 | def checkFlowId( self, sw, flowId, version="1.3", debug=True ): |
| 2049 | ''' |
| 2050 | Discription: Checks whether the ID provided matches a flow ID in Mininet |
| 2051 | Arguments: |
| 2052 | Required: |
| 2053 | sw: The switch name ("s1") to retrive the flow table. Can also be |
| 2054 | a list of switches. |
| 2055 | flowId: the flow ID in hex format. Can also be a list of IDs |
| 2056 | Optional: |
| 2057 | version: The version of OpenFlow. Currently, 1.3 and 1.0 are supported. |
| 2058 | debug: prints out the final result |
| 2059 | returns: main.TRUE if all IDs are present, otherwise returns main.FALSE |
| 2060 | NOTE: prints out IDs that are not present |
| 2061 | ''' |
| 2062 | try: |
| 2063 | main.log.info( "Getting flows from Mininet" ) |
| 2064 | flows = self.getFlowTable( sw, version, debug ) |
| 2065 | |
| 2066 | if debug: print "flow ids:\n{}\n\n".format(flowId) |
| 2067 | |
| 2068 | # Check flowId is a list or a string |
| 2069 | if type( flowId ) is str: |
| 2070 | result = False |
| 2071 | for f in flows: |
| 2072 | if flowId in f.get( 'cookie' ): |
| 2073 | result = True |
| 2074 | break |
| 2075 | # flowId is a list |
| 2076 | else: |
| 2077 | result = True |
| 2078 | # Get flow IDs from Mininet |
| 2079 | mnFlowIds = [ f.get( 'cookie' ) for f in flows ] |
| 2080 | # Save the IDs that are not in Mininet |
| 2081 | absentIds = [ x for x in flowId if x not in mnFlowIds ] |
| 2082 | |
| 2083 | if debug: print "mn flow ids:\n{}\n\n".format(mnFlowIds) |
| 2084 | |
| 2085 | # Print out the IDs that are not in Mininet |
| 2086 | if absentIds: |
| 2087 | main.log.warn( "Absent ids: {}".format( absentIds ) ) |
| 2088 | result = False |
| 2089 | |
| 2090 | return main.TRUE if result else main.FALSE |
| 2091 | |
| 2092 | except Exception: |
| 2093 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2094 | main.cleanup() |
| 2095 | main.exit() |
| 2096 | |
| 2097 | |
Charles Chan | 029be65 | 2015-08-24 01:46:10 +0800 | [diff] [blame] | 2098 | def startTcpdump( self, filename, intf="eth0", port="port 6653" ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2099 | """ |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 2100 | Runs tpdump on an interface and saves the file |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2101 | intf can be specified, or the default eth0 is used""" |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2102 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2103 | self.handle.sendline( "" ) |
| 2104 | self.handle.expect( "mininet>" ) |
| 2105 | self.handle.sendline( |
| 2106 | "sh sudo tcpdump -n -i " + |
| 2107 | intf + |
| 2108 | " " + |
| 2109 | port + |
| 2110 | " -w " + |
| 2111 | filename.strip() + |
| 2112 | " &" ) |
| 2113 | self.handle.sendline( "" ) |
| 2114 | i = self.handle.expect( [ 'No\ssuch\device', |
| 2115 | 'listening\son', |
| 2116 | pexpect.TIMEOUT, |
| 2117 | "mininet>" ], |
| 2118 | timeout=10 ) |
| 2119 | main.log.warn( self.handle.before + self.handle.after ) |
| 2120 | self.handle.sendline( "" ) |
| 2121 | self.handle.expect( "mininet>" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2122 | if i == 0: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2123 | main.log.error( |
| 2124 | self.name + |
| 2125 | ": tcpdump - No such device exists. " + |
| 2126 | "tcpdump attempted on: " + |
| 2127 | intf ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2128 | return main.FALSE |
| 2129 | elif i == 1: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2130 | main.log.info( self.name + ": tcpdump started on " + intf ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2131 | return main.TRUE |
| 2132 | elif i == 2: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2133 | main.log.error( |
| 2134 | self.name + |
| 2135 | ": tcpdump command timed out! Check interface name," + |
| 2136 | " given interface was: " + |
| 2137 | intf ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2138 | return main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2139 | elif i == 3: |
| 2140 | main.log.info( self.name + ": " + self.handle.before ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2141 | return main.TRUE |
| 2142 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2143 | main.log.error( self.name + ": tcpdump - unexpected response" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2144 | return main.FALSE |
| 2145 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2146 | main.log.error( self.name + ": EOF exception found" ) |
| 2147 | main.log.error( self.name + ": " + self.handle.before ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2148 | main.cleanup() |
| 2149 | main.exit() |
Jon Hall | febb1c7 | 2015-03-05 13:30:09 -0800 | [diff] [blame] | 2150 | except Exception: |
| 2151 | main.log.exception( self.name + ": Uncaught exception!" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2152 | main.cleanup() |
| 2153 | main.exit() |
| 2154 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2155 | def stopTcpdump( self ): |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 2156 | """ |
| 2157 | pkills tcpdump""" |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2158 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2159 | self.handle.sendline( "sh sudo pkill tcpdump" ) |
| 2160 | self.handle.expect( "mininet>" ) |
| 2161 | self.handle.sendline( "" ) |
| 2162 | self.handle.expect( "mininet>" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2163 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2164 | main.log.error( self.name + ": EOF exception found" ) |
| 2165 | main.log.error( self.name + ": " + self.handle.before ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2166 | main.cleanup() |
| 2167 | main.exit() |
Jon Hall | febb1c7 | 2015-03-05 13:30:09 -0800 | [diff] [blame] | 2168 | except Exception: |
| 2169 | main.log.exception( self.name + ": Uncaught exception!" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2170 | main.cleanup() |
| 2171 | main.exit() |
| 2172 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2173 | def getPorts( self, nodeName, verbose=False ): |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2174 | """ |
| 2175 | Read ports from a Mininet switch. |
| 2176 | |
| 2177 | Returns a json structure containing information about the |
| 2178 | ports of the given switch. |
| 2179 | """ |
| 2180 | response = self.getInterfaces( nodeName ) |
| 2181 | # TODO: Sanity check on response. log if no such switch exists |
| 2182 | ports = [] |
| 2183 | for line in response.split( "\n" ): |
| 2184 | if not line.startswith( "name=" ): |
| 2185 | continue |
| 2186 | portVars = {} |
| 2187 | for var in line.split( "," ): |
| 2188 | key, value = var.split( "=" ) |
| 2189 | portVars[ key ] = value |
| 2190 | isUp = portVars.pop( 'enabled', "True" ) |
| 2191 | isUp = "True" in isUp |
| 2192 | if verbose: |
| 2193 | main.log.info( "Reading switch port %s(%s)" % |
| 2194 | ( portVars[ 'name' ], portVars[ 'mac' ] ) ) |
| 2195 | mac = portVars[ 'mac' ] |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2196 | if mac == 'None': |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2197 | mac = None |
| 2198 | ips = [] |
| 2199 | ip = portVars[ 'ip' ] |
| 2200 | if ip == 'None': |
| 2201 | ip = None |
| 2202 | ips.append( ip ) |
| 2203 | name = portVars[ 'name' ] |
| 2204 | if name == 'None': |
| 2205 | name = None |
| 2206 | portRe = r'[^\-]\d\-eth(?P<port>\d+)' |
| 2207 | if name == 'lo': |
| 2208 | portNo = 0xfffe # TODO: 1.0 value - Should we just return lo? |
| 2209 | else: |
| 2210 | portNo = re.search( portRe, name ).group( 'port' ) |
| 2211 | ports.append( { 'of_port': portNo, |
| 2212 | 'mac': str( mac ).replace( '\'', '' ), |
| 2213 | 'name': name, |
| 2214 | 'ips': ips, |
| 2215 | 'enabled': isUp } ) |
| 2216 | return ports |
| 2217 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2218 | def getSwitches( self, verbose=False ): |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2219 | """ |
| 2220 | Read switches from Mininet. |
| 2221 | |
| 2222 | Returns a dictionary whose keys are the switch names and the value is |
| 2223 | a dictionary containing information about the switch. |
| 2224 | """ |
Jon Hall | a22481b | 2015-07-28 17:46:01 -0700 | [diff] [blame] | 2225 | # NOTE: To support new Mininet switch classes, just append the new |
| 2226 | # class to the switchClasses variable |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2227 | |
Jon Hall | a22481b | 2015-07-28 17:46:01 -0700 | [diff] [blame] | 2228 | # Regex patterns to parse 'dump' output |
| 2229 | # Example Switches: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2230 | # <OVSSwitch s1: lo:127.0.0.1,s1-eth1:None,s1-eth2:None,s1-eth3:None pid=5238> |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2231 | # <OVSSwitch{ 'protocols': 'OpenFlow10' } s1: lo:127.0.0.1,s1-eth1:None,s1-eth2:None pid=25974> |
Jon Hall | a22481b | 2015-07-28 17:46:01 -0700 | [diff] [blame] | 2232 | # <OVSSwitchNS s1: lo:127.0.0.1,s1-eth1:None,s1-eth2:None,s1-eth3:None pid=22550> |
| 2233 | # <OVSBridge s1: lo:127.0.0.1,s1-eth1:None,s1-eth2:None pid=26830> |
| 2234 | # <UserSwitch s1: lo:127.0.0.1,s1-eth1:None,s1-eth2:None pid=14737> |
| 2235 | switchClasses = r"(OVSSwitch)|(OVSBridge)|(OVSSwitchNS)|(IVSSwitch)|(LinuxBridge)|(UserSwitch)" |
| 2236 | swRE = r"<(?P<class>" + switchClasses + r")" +\ |
| 2237 | r"(?P<options>\{.*\})?\s" +\ |
| 2238 | r"(?P<name>[^:]+)\:\s" +\ |
| 2239 | r"(?P<ports>([^,]+,)*[^,\s]+)" +\ |
| 2240 | r"\spid=(?P<pid>(\d)+)" |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2241 | # Update mn port info |
| 2242 | self.update() |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2243 | output = {} |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2244 | dump = self.dump().split( "\n" ) |
| 2245 | for line in dump: |
Jon Hall | a22481b | 2015-07-28 17:46:01 -0700 | [diff] [blame] | 2246 | result = re.search( swRE, line, re.I ) |
| 2247 | if result: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2248 | name = result.group( 'name' ) |
| 2249 | dpid = str( self.getSwitchDPID( name ) ).zfill( 16 ) |
Jon Hall | a22481b | 2015-07-28 17:46:01 -0700 | [diff] [blame] | 2250 | pid = result.group( 'pid' ) |
| 2251 | swClass = result.group( 'class' ) |
| 2252 | options = result.group( 'options' ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2253 | if verbose: |
| 2254 | main.log.info( "Reading switch %s(%s)" % ( name, dpid ) ) |
| 2255 | ports = self.getPorts( name ) |
Jon Hall | a22481b | 2015-07-28 17:46:01 -0700 | [diff] [blame] | 2256 | output[ name ] = { "dpid": dpid, |
| 2257 | "ports": ports, |
| 2258 | "swClass": swClass, |
| 2259 | "pid": pid, |
| 2260 | "options": options } |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2261 | return output |
| 2262 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2263 | def getHosts( self, verbose=False ): |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2264 | """ |
| 2265 | Read hosts from Mininet. |
| 2266 | |
| 2267 | Returns a dictionary whose keys are the host names and the value is |
| 2268 | a dictionary containing information about the host. |
| 2269 | """ |
| 2270 | # Regex patterns to parse dump output |
| 2271 | # Example host: <Host h1: h1-eth0:10.0.0.1 pid=5227> |
kelvin-onlab | 299ab06 | 2015-07-15 10:58:27 -0700 | [diff] [blame] | 2272 | # <Host h1: pid=12725> |
| 2273 | # <VLANHost h12: h12-eth0.100.100.100:100.1.0.3 pid=30186> |
| 2274 | # <dualStackHost h19: h19-eth0:10.1.0.9 pid=30200> |
| 2275 | # <IPv6Host h18: h18-eth0:10.0.0.18 pid=30198> |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2276 | # NOTE: Does not correctly match hosts with multi-links |
| 2277 | # <Host h2: h2-eth0:10.0.0.2,h2-eth1:10.0.1.2 pid=14386> |
| 2278 | # FIXME: Fix that |
kelvin-onlab | d48a68c | 2015-07-13 16:01:36 -0700 | [diff] [blame] | 2279 | hostRE = r"Host\s(?P<name>[^:]+)\:((\s(?P<ifname>[^:]+)\:" +\ |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2280 | "(?P<ip>[^\s]+))|(\s)\spid=(?P<pid>[^>]+))" |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2281 | # update mn port info |
| 2282 | self.update() |
| 2283 | # Get mininet dump |
| 2284 | dump = self.dump().split( "\n" ) |
Jon Hall | 5b0120a | 2015-06-12 17:35:53 -0700 | [diff] [blame] | 2285 | hosts = {} |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2286 | for line in dump: |
kelvin-onlab | d48a68c | 2015-07-13 16:01:36 -0700 | [diff] [blame] | 2287 | if "Host" in line : |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2288 | result = re.search( hostRE, line ) |
| 2289 | name = result.group( 'name' ) |
| 2290 | interfaces = [] |
| 2291 | response = self.getInterfaces( name ) |
| 2292 | # Populate interface info |
| 2293 | for line in response.split( "\n" ): |
| 2294 | if line.startswith( "name=" ): |
| 2295 | portVars = {} |
| 2296 | for var in line.split( "," ): |
| 2297 | key, value = var.split( "=" ) |
| 2298 | portVars[ key ] = value |
| 2299 | isUp = portVars.pop( 'enabled', "True" ) |
| 2300 | isUp = "True" in isUp |
| 2301 | if verbose: |
| 2302 | main.log.info( "Reading host port %s(%s)" % |
| 2303 | ( portVars[ 'name' ], |
| 2304 | portVars[ 'mac' ] ) ) |
| 2305 | mac = portVars[ 'mac' ] |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2306 | if mac == 'None': |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2307 | mac = None |
| 2308 | ips = [] |
| 2309 | ip = portVars[ 'ip' ] |
| 2310 | if ip == 'None': |
| 2311 | ip = None |
| 2312 | ips.append( ip ) |
| 2313 | intfName = portVars[ 'name' ] |
| 2314 | if name == 'None': |
| 2315 | name = None |
| 2316 | interfaces.append( { |
| 2317 | "name": intfName, |
| 2318 | "ips": ips, |
| 2319 | "mac": str( mac ), |
| 2320 | "isUp": isUp } ) |
Jon Hall | 5b0120a | 2015-06-12 17:35:53 -0700 | [diff] [blame] | 2321 | hosts[ name ] = { "interfaces": interfaces } |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2322 | return hosts |
| 2323 | |
| 2324 | def getLinks( self ): |
| 2325 | """ |
| 2326 | Gathers information about current Mininet links. These links may not |
| 2327 | be up if one of the ports is down. |
| 2328 | |
| 2329 | Returns a list of dictionaries with link endpoints. |
| 2330 | |
| 2331 | The dictionary structure is: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2332 | { 'node1': str( node1 name ) |
| 2333 | 'node2': str( node2 name ) |
| 2334 | 'port1': str( port1 of_port ) |
| 2335 | 'port2': str( port2 of_port ) } |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2336 | Note: The port number returned is the eth#, not necessarily the of_port |
| 2337 | number. In Mininet, for OVS switch, these should be the same. For |
| 2338 | hosts, this is just the eth#. |
| 2339 | """ |
| 2340 | self.update() |
| 2341 | response = self.links().split( '\n' ) |
| 2342 | |
| 2343 | # Examples: |
| 2344 | # s1-eth3<->s2-eth1 (OK OK) |
| 2345 | # s13-eth3<->h27-eth0 (OK OK) |
| 2346 | linkRE = "(?P<node1>[\w]+)\-eth(?P<port1>[\d]+)\<\-\>" +\ |
| 2347 | "(?P<node2>[\w]+)\-eth(?P<port2>[\d]+)" |
| 2348 | links = [] |
| 2349 | for line in response: |
| 2350 | match = re.search( linkRE, line ) |
| 2351 | if match: |
| 2352 | node1 = match.group( 'node1' ) |
| 2353 | node2 = match.group( 'node2' ) |
| 2354 | port1 = match.group( 'port1' ) |
| 2355 | port2 = match.group( 'port2' ) |
| 2356 | links.append( { 'node1': node1, |
| 2357 | 'node2': node2, |
| 2358 | 'port1': port1, |
| 2359 | 'port2': port2 } ) |
| 2360 | return links |
| 2361 | |
| 2362 | def compareSwitches( self, switches, switchesJson, portsJson ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2363 | """ |
| 2364 | Compare mn and onos switches |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2365 | switchesJson: parsed json object from the onos devices api |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2366 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2367 | Dependencies: |
| 2368 | 1. numpy - "sudo pip install numpy" |
| 2369 | """ |
| 2370 | from numpy import uint64 |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2371 | # created sorted list of dpid's in MN and ONOS for comparison |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2372 | mnDPIDs = [] |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2373 | for swName, switch in switches.iteritems(): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2374 | mnDPIDs.append( switch[ 'dpid' ].lower() ) |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2375 | mnDPIDs.sort() |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2376 | if switchesJson == "": # if rest call fails |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2377 | main.log.error( |
| 2378 | self.name + |
Jon Hall | feff308 | 2015-05-19 10:23:26 -0700 | [diff] [blame] | 2379 | ".compareSwitches(): Empty JSON object given from ONOS" ) |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2380 | return main.FALSE |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2381 | onos = switchesJson |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2382 | onosDPIDs = [] |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2383 | for switch in onos: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2384 | if switch[ 'available' ]: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2385 | onosDPIDs.append( |
| 2386 | switch[ 'id' ].replace( |
| 2387 | ":", |
| 2388 | '' ).replace( |
| 2389 | "of", |
| 2390 | '' ).lower() ) |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2391 | onosDPIDs.sort() |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2392 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2393 | if mnDPIDs != onosDPIDs: |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2394 | switchResults = main.FALSE |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2395 | main.log.error( "Switches in MN but not in ONOS:" ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2396 | list1 = [ switch for switch in mnDPIDs if switch not in onosDPIDs ] |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2397 | main.log.error( str( list1 ) ) |
| 2398 | main.log.error( "Switches in ONOS but not in MN:" ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2399 | list2 = [ switch for switch in onosDPIDs if switch not in mnDPIDs ] |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2400 | main.log.error( str( list2 ) ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2401 | else: # list of dpid's match in onos and mn |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2402 | switchResults = main.TRUE |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2403 | finalResults = switchResults |
Jon Hall | 3d87d50 | 2014-10-17 18:37:42 -0400 | [diff] [blame] | 2404 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2405 | # FIXME: this does not look for extra ports in ONOS, only checks that |
| 2406 | # ONOS has what is in MN |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2407 | portsResults = main.TRUE |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2408 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2409 | # PORTS |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2410 | for name, mnSwitch in switches.iteritems(): |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2411 | mnPorts = [] |
| 2412 | onosPorts = [] |
| 2413 | switchResult = main.TRUE |
| 2414 | for port in mnSwitch[ 'ports' ]: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2415 | if port[ 'enabled' ]: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2416 | mnPorts.append( int( port[ 'of_port' ] ) ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2417 | for onosSwitch in portsJson: |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2418 | if onosSwitch[ 'device' ][ 'available' ]: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2419 | if onosSwitch[ 'device' ][ 'id' ].replace( |
| 2420 | ':', |
| 2421 | '' ).replace( |
| 2422 | "of", |
| 2423 | '' ) == mnSwitch[ 'dpid' ]: |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2424 | for port in onosSwitch[ 'ports' ]: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2425 | if port[ 'isEnabled' ]: |
| 2426 | if port[ 'port' ] == 'local': |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2427 | # onosPorts.append( 'local' ) |
| 2428 | onosPorts.append( long( uint64( -2 ) ) ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 2429 | else: |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2430 | onosPorts.append( int( port[ 'port' ] ) ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 2431 | break |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2432 | mnPorts.sort( key=float ) |
| 2433 | onosPorts.sort( key=float ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2434 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2435 | mnPortsLog = mnPorts |
| 2436 | onosPortsLog = onosPorts |
| 2437 | mnPorts = [ x for x in mnPorts ] |
| 2438 | onosPorts = [ x for x in onosPorts ] |
Jon Hall | 3848172 | 2014-11-04 16:50:05 -0500 | [diff] [blame] | 2439 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2440 | # TODO: handle other reserved port numbers besides LOCAL |
| 2441 | # NOTE: Reserved ports |
| 2442 | # Local port: -2 in Openflow, ONOS shows 'local', we store as |
| 2443 | # long( uint64( -2 ) ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2444 | for mnPort in mnPortsLog: |
| 2445 | if mnPort in onosPorts: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2446 | # don't set results to true here as this is just one of |
| 2447 | # many checks and it might override a failure |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2448 | mnPorts.remove( mnPort ) |
| 2449 | onosPorts.remove( mnPort ) |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2450 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2451 | # NOTE: OVS reports this as down since there is no link |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 2452 | # So ignoring these for now |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2453 | # TODO: Come up with a better way of handling these |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2454 | if 65534 in mnPorts: |
| 2455 | mnPorts.remove( 65534 ) |
| 2456 | if long( uint64( -2 ) ) in onosPorts: |
| 2457 | onosPorts.remove( long( uint64( -2 ) ) ) |
| 2458 | if len( mnPorts ): # the ports of this switch don't match |
| 2459 | switchResult = main.FALSE |
| 2460 | main.log.warn( "Ports in MN but not ONOS: " + str( mnPorts ) ) |
| 2461 | if len( onosPorts ): # the ports of this switch don't match |
| 2462 | switchResult = main.FALSE |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2463 | main.log.warn( |
| 2464 | "Ports in ONOS but not MN: " + |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2465 | str( onosPorts ) ) |
| 2466 | if switchResult == main.FALSE: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2467 | main.log.error( |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2468 | "The list of ports for switch %s(%s) does not match:" % |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2469 | ( name, mnSwitch[ 'dpid' ] ) ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2470 | main.log.warn( "mn_ports[] = " + str( mnPortsLog ) ) |
| 2471 | main.log.warn( "onos_ports[] = " + str( onosPortsLog ) ) |
| 2472 | portsResults = portsResults and switchResult |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2473 | finalResults = finalResults and portsResults |
| 2474 | return finalResults |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2475 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2476 | def compareLinks( self, switches, links, linksJson ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2477 | """ |
| 2478 | Compare mn and onos links |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2479 | linksJson: parsed json object from the onos links api |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2480 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2481 | """ |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2482 | # FIXME: this does not look for extra links in ONOS, only checks that |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 2483 | # ONOS has what is in MN |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2484 | onos = linksJson |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2485 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2486 | mnLinks = [] |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2487 | for l in links: |
| 2488 | try: |
| 2489 | node1 = switches[ l[ 'node1' ] ] |
| 2490 | node2 = switches[ l[ 'node2' ] ] |
| 2491 | enabled = True |
| 2492 | for port in node1[ 'ports' ]: |
| 2493 | if port[ 'of_port' ] == l[ 'port1' ]: |
| 2494 | enabled = enabled and port[ 'enabled' ] |
| 2495 | for port in node2[ 'ports' ]: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2496 | if port[ 'of_port' ] == l[ 'port2' ]: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2497 | enabled = enabled and port[ 'enabled' ] |
| 2498 | if enabled: |
| 2499 | mnLinks.append( l ) |
| 2500 | except KeyError: |
| 2501 | pass |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2502 | if 2 * len( mnLinks ) == len( onos ): |
| 2503 | linkResults = main.TRUE |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2504 | else: |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2505 | linkResults = main.FALSE |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2506 | main.log.error( |
Jon Hall | 328ddca | 2015-01-28 15:57:15 -0800 | [diff] [blame] | 2507 | "Mininet has " + str( len( mnLinks ) ) + |
| 2508 | " bidirectional links and ONOS has " + |
| 2509 | str( len( onos ) ) + " unidirectional links" ) |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2510 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2511 | # iterate through MN links and check if an ONOS link exists in |
| 2512 | # both directions |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2513 | for link in mnLinks: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2514 | # TODO: Find a more efficient search method |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2515 | node1 = None |
| 2516 | port1 = None |
| 2517 | node2 = None |
| 2518 | port2 = None |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2519 | firstDir = main.FALSE |
| 2520 | secondDir = main.FALSE |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2521 | for swName, switch in switches.iteritems(): |
| 2522 | if swName == link[ 'node1' ]: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2523 | node1 = switch[ 'dpid' ] |
| 2524 | for port in switch[ 'ports' ]: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2525 | if str( port[ 'of_port' ] ) == str( link[ 'port1' ] ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2526 | port1 = port[ 'of_port' ] |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2527 | if node1 is not None and node2 is not None: |
| 2528 | break |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2529 | if swName == link[ 'node2' ]: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2530 | node2 = switch[ 'dpid' ] |
| 2531 | for port in switch[ 'ports' ]: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2532 | if str( port[ 'of_port' ] ) == str( link[ 'port2' ] ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2533 | port2 = port[ 'of_port' ] |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2534 | if node1 is not None and node2 is not None: |
| 2535 | break |
| 2536 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2537 | for onosLink in onos: |
| 2538 | onosNode1 = onosLink[ 'src' ][ 'device' ].replace( |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2539 | ":", '' ).replace( "of", '' ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2540 | onosNode2 = onosLink[ 'dst' ][ 'device' ].replace( |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2541 | ":", '' ).replace( "of", '' ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2542 | onosPort1 = onosLink[ 'src' ][ 'port' ] |
| 2543 | onosPort2 = onosLink[ 'dst' ][ 'port' ] |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2544 | |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2545 | # check onos link from node1 to node2 |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2546 | if str( onosNode1 ) == str( node1 ) and str( |
| 2547 | onosNode2 ) == str( node2 ): |
| 2548 | if int( onosPort1 ) == int( port1 ) and int( |
| 2549 | onosPort2 ) == int( port2 ): |
| 2550 | firstDir = main.TRUE |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2551 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2552 | main.log.warn( |
| 2553 | 'The port numbers do not match for ' + |
| 2554 | str( link ) + |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 2555 | ' between ONOS and MN. When checking ONOS for ' + |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2556 | 'link %s/%s -> %s/%s' % |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2557 | ( node1, port1, node2, port2 ) + |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2558 | ' ONOS has the values %s/%s -> %s/%s' % |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2559 | ( onosNode1, onosPort1, onosNode2, onosPort2 ) ) |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2560 | |
| 2561 | # check onos link from node2 to node1 |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2562 | elif ( str( onosNode1 ) == str( node2 ) and |
| 2563 | str( onosNode2 ) == str( node1 ) ): |
| 2564 | if ( int( onosPort1 ) == int( port2 ) |
| 2565 | and int( onosPort2 ) == int( port1 ) ): |
| 2566 | secondDir = main.TRUE |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2567 | else: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2568 | main.log.warn( |
| 2569 | 'The port numbers do not match for ' + |
| 2570 | str( link ) + |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 2571 | ' between ONOS and MN. When checking ONOS for ' + |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2572 | 'link %s/%s -> %s/%s' % |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2573 | ( node1, port1, node2, port2 ) + |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2574 | ' ONOS has the values %s/%s -> %s/%s' % |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2575 | ( onosNode2, onosPort2, onosNode1, onosPort1 ) ) |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2576 | else: # this is not the link you're looking for |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2577 | pass |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2578 | if not firstDir: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2579 | main.log.error( |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2580 | 'ONOS does not have the link %s/%s -> %s/%s' % |
| 2581 | ( node1, port1, node2, port2 ) ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2582 | if not secondDir: |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2583 | main.log.error( |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2584 | 'ONOS does not have the link %s/%s -> %s/%s' % |
| 2585 | ( node2, port2, node1, port1 ) ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2586 | linkResults = linkResults and firstDir and secondDir |
| 2587 | return linkResults |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2588 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2589 | def compareHosts( self, hosts, hostsJson ): |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2590 | """ |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2591 | Compare mn and onos Hosts. |
| 2592 | Since Mininet hosts are quiet, ONOS will only know of them when they |
| 2593 | speak. For this reason, we will only check that the hosts in ONOS |
| 2594 | stores are in Mininet, and not vice versa. |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2595 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2596 | Arguments: |
| 2597 | hostsJson: parsed json object from the onos hosts api |
| 2598 | Returns: |
| 2599 | """ |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2600 | import json |
| 2601 | hostResults = main.TRUE |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2602 | for onosHost in hostsJson: |
| 2603 | onosMAC = onosHost[ 'mac' ].lower() |
| 2604 | match = False |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2605 | for mnHost, info in hosts.iteritems(): |
| 2606 | for mnIntf in info[ 'interfaces' ]: |
| 2607 | if onosMAC == mnIntf[ 'mac' ].lower(): |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2608 | match = True |
| 2609 | for ip in mnIntf[ 'ips' ]: |
Jon Hall | feff308 | 2015-05-19 10:23:26 -0700 | [diff] [blame] | 2610 | if ip in onosHost[ 'ipAddresses' ]: |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2611 | pass # all is well |
| 2612 | else: |
| 2613 | # misssing ip |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2614 | main.log.error( "ONOS host " + |
| 2615 | onosHost[ 'id' ] + |
| 2616 | " has a different IP(" + |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2617 | str( onosHost[ 'ipAddresses' ] ) + |
| 2618 | ") than the Mininet host(" + |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2619 | str( ip ) + |
| 2620 | ")." ) |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2621 | output = json.dumps( |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2622 | onosHost, |
| 2623 | sort_keys=True, |
| 2624 | indent=4, |
| 2625 | separators=( ',', ': ' ) ) |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2626 | main.log.info( output ) |
| 2627 | hostResults = main.FALSE |
| 2628 | if not match: |
| 2629 | hostResults = main.FALSE |
| 2630 | main.log.error( "ONOS host " + onosHost[ 'id' ] + " has no " + |
| 2631 | "corresponding Mininet host." ) |
| 2632 | output = json.dumps( onosHost, |
| 2633 | sort_keys=True, |
| 2634 | indent=4, |
| 2635 | separators=( ',', ': ' ) ) |
| 2636 | main.log.info( output ) |
Jon Hall | ff6b4b2 | 2015-02-23 09:25:15 -0800 | [diff] [blame] | 2637 | return hostResults |
| 2638 | |
Jon Hall | afa8a47 | 2015-06-12 14:02:42 -0700 | [diff] [blame] | 2639 | def getHostsOld( self ): |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2640 | """ |
| 2641 | Returns a list of all hosts |
| 2642 | Don't ask questions just use it""" |
| 2643 | self.handle.sendline( "" ) |
| 2644 | self.handle.expect( "mininet>" ) |
Jon Hall | 72cf1dc | 2014-10-20 21:04:50 -0400 | [diff] [blame] | 2645 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2646 | self.handle.sendline( "py [ host.name for host in net.hosts ]" ) |
| 2647 | self.handle.expect( "mininet>" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2648 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2649 | handlePy = self.handle.before |
| 2650 | handlePy = handlePy.split( "]\r\n", 1 )[ 1 ] |
| 2651 | handlePy = handlePy.rstrip() |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2652 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2653 | self.handle.sendline( "" ) |
| 2654 | self.handle.expect( "mininet>" ) |
admin | 2a9548d | 2014-06-17 14:08:07 -0700 | [diff] [blame] | 2655 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2656 | hostStr = handlePy.replace( "]", "" ) |
| 2657 | hostStr = hostStr.replace( "'", "" ) |
| 2658 | hostStr = hostStr.replace( "[", "" ) |
kelvin-onlab | 2ccad6e | 2015-05-18 10:36:54 -0700 | [diff] [blame] | 2659 | hostStr = hostStr.replace( " ", "" ) |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2660 | hostList = hostStr.split( "," ) |
andrewonlab | 3f0a4af | 2014-10-17 12:25:14 -0400 | [diff] [blame] | 2661 | |
kelvin-onlab | d3b6489 | 2015-01-20 13:26:24 -0800 | [diff] [blame] | 2662 | return hostList |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 2663 | |
kelvin-onlab | fa6ada8 | 2015-06-11 13:06:24 -0700 | [diff] [blame] | 2664 | def getSwitch( self ): |
| 2665 | """ |
| 2666 | Returns a list of all switches |
| 2667 | Again, don't ask question just use it... |
| 2668 | """ |
| 2669 | # get host list... |
| 2670 | hostList = self.getHosts() |
| 2671 | # Make host set |
| 2672 | hostSet = set( hostList ) |
| 2673 | |
| 2674 | # Getting all the nodes in mininet |
| 2675 | self.handle.sendline( "" ) |
| 2676 | self.handle.expect( "mininet>" ) |
| 2677 | |
| 2678 | self.handle.sendline( "py [ node.name for node in net.values() ]" ) |
| 2679 | self.handle.expect( "mininet>" ) |
| 2680 | |
| 2681 | handlePy = self.handle.before |
| 2682 | handlePy = handlePy.split( "]\r\n", 1 )[ 1 ] |
| 2683 | handlePy = handlePy.rstrip() |
| 2684 | |
| 2685 | self.handle.sendline( "" ) |
| 2686 | self.handle.expect( "mininet>" ) |
| 2687 | |
| 2688 | nodesStr = handlePy.replace( "]", "" ) |
| 2689 | nodesStr = nodesStr.replace( "'", "" ) |
| 2690 | nodesStr = nodesStr.replace( "[", "" ) |
| 2691 | nodesStr = nodesStr.replace( " ", "" ) |
| 2692 | nodesList = nodesStr.split( "," ) |
| 2693 | |
| 2694 | nodesSet = set( nodesList ) |
| 2695 | # discarding default controller(s) node |
| 2696 | nodesSet.discard( 'c0' ) |
| 2697 | nodesSet.discard( 'c1' ) |
| 2698 | nodesSet.discard( 'c2' ) |
| 2699 | |
| 2700 | switchSet = nodesSet - hostSet |
| 2701 | switchList = list( switchSet ) |
| 2702 | |
| 2703 | return switchList |
| 2704 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2705 | def update( self ): |
| 2706 | """ |
| 2707 | updates the port address and status information for |
| 2708 | each port in mn""" |
| 2709 | # TODO: Add error checking. currently the mininet command has no output |
Jon Hall | efbd979 | 2015-03-05 16:11:36 -0800 | [diff] [blame] | 2710 | main.log.info( "Updating MN port information" ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 2711 | try: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2712 | self.handle.sendline( "" ) |
| 2713 | self.handle.expect( "mininet>" ) |
Jon Hall | 3848172 | 2014-11-04 16:50:05 -0500 | [diff] [blame] | 2714 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2715 | self.handle.sendline( "update" ) |
| 2716 | self.handle.expect( "update" ) |
| 2717 | self.handle.expect( "mininet>" ) |
Jon Hall | 3848172 | 2014-11-04 16:50:05 -0500 | [diff] [blame] | 2718 | |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2719 | self.handle.sendline( "" ) |
| 2720 | self.handle.expect( "mininet>" ) |
Jon Hall | 3848172 | 2014-11-04 16:50:05 -0500 | [diff] [blame] | 2721 | |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 2722 | return main.TRUE |
| 2723 | except pexpect.EOF: |
Jon Hall | 7eb3840 | 2015-01-08 17:19:54 -0800 | [diff] [blame] | 2724 | main.log.error( self.name + ": EOF exception found" ) |
| 2725 | main.log.error( self.name + ": " + self.handle.before ) |
Jon Hall | b1290e8 | 2014-11-18 16:17:48 -0500 | [diff] [blame] | 2726 | main.cleanup() |
| 2727 | main.exit() |
| 2728 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2729 | def assignVLAN( self, host, intf, vlan ): |
kaouthera | 3f13ca2 | 2015-05-05 15:01:41 -0700 | [diff] [blame] | 2730 | """ |
| 2731 | Add vlan tag to a host. |
| 2732 | Dependencies: |
| 2733 | This class depends on the "vlan" package |
| 2734 | $ sudo apt-get install vlan |
| 2735 | Configuration: |
| 2736 | Load the 8021q module into the kernel |
| 2737 | $sudo modprobe 8021q |
| 2738 | |
| 2739 | To make this setup permanent: |
| 2740 | $ sudo su -c 'echo "8021q" >> /etc/modules' |
| 2741 | """ |
| 2742 | if self.handle: |
| 2743 | try: |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2744 | # get the ip address of the host |
| 2745 | main.log.info( "Get the ip address of the host" ) |
| 2746 | ipaddr = self.getIPAddress( host ) |
| 2747 | print repr( ipaddr ) |
kaouthera | 3f13ca2 | 2015-05-05 15:01:41 -0700 | [diff] [blame] | 2748 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2749 | # remove IP from interface intf |
| 2750 | # Ex: h1 ifconfig h1-eth0 inet 0 |
| 2751 | main.log.info( "Remove IP from interface " ) |
| 2752 | cmd2 = host + " ifconfig " + intf + " " + " inet 0 " |
| 2753 | self.handle.sendline( cmd2 ) |
| 2754 | self.handle.expect( "mininet>" ) |
| 2755 | response = self.handle.before |
| 2756 | main.log.info( "====> %s ", response ) |
kaouthera | 3f13ca2 | 2015-05-05 15:01:41 -0700 | [diff] [blame] | 2757 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2758 | # create VLAN interface |
| 2759 | # Ex: h1 vconfig add h1-eth0 100 |
| 2760 | main.log.info( "Create Vlan" ) |
| 2761 | cmd3 = host + " vconfig add " + intf + " " + vlan |
| 2762 | self.handle.sendline( cmd3 ) |
| 2763 | self.handle.expect( "mininet>" ) |
| 2764 | response = self.handle.before |
| 2765 | main.log.info( "====> %s ", response ) |
kaouthera | 3f13ca2 | 2015-05-05 15:01:41 -0700 | [diff] [blame] | 2766 | |
Jon Hall | d80cc14 | 2015-07-06 13:36:05 -0700 | [diff] [blame] | 2767 | # assign the host's IP to the VLAN interface |
| 2768 | # Ex: h1 ifconfig h1-eth0.100 inet 10.0.0.1 |
| 2769 | main.log.info( "Assign the host IP to the vlan interface" ) |
| 2770 | vintf = intf + "." + vlan |
| 2771 | cmd4 = host + " ifconfig " + vintf + " " + " inet " + ipaddr |
| 2772 | self.handle.sendline( cmd4 ) |
| 2773 | self.handle.expect( "mininet>" ) |
| 2774 | response = self.handle.before |
| 2775 | main.log.info( "====> %s ", response ) |
kaouthera | 3f13ca2 | 2015-05-05 15:01:41 -0700 | [diff] [blame] | 2776 | |
| 2777 | return main.TRUE |
| 2778 | except pexpect.EOF: |
| 2779 | main.log.error( self.name + ": EOF exception found" ) |
| 2780 | main.log.error( self.name + ": " + self.handle.before ) |
| 2781 | return main.FALSE |
| 2782 | |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 2783 | def createHostComponent( self, name ): |
| 2784 | """ |
| 2785 | Creates a new mininet cli component with the same parameters as self. |
| 2786 | This new component is intended to be used to login to the hosts created |
| 2787 | by mininet. |
| 2788 | |
| 2789 | Arguments: |
| 2790 | name - The string of the name of this component. The new component |
| 2791 | will be assigned to main.<name> . |
| 2792 | In addition, main.<name>.name = str( name ) |
| 2793 | """ |
| 2794 | try: |
| 2795 | # look to see if this component already exists |
| 2796 | getattr( main, name ) |
| 2797 | except AttributeError: |
| 2798 | # namespace is clear, creating component |
| 2799 | main.componentDictionary[name] = main.componentDictionary[self.name].copy() |
| 2800 | main.componentDictionary[name]['connect_order'] = str( int( main.componentDictionary[name]['connect_order'] ) + 1 ) |
| 2801 | main.componentInit( name ) |
| 2802 | except Exception: |
| 2803 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2804 | main.cleanup() |
| 2805 | main.exit() |
| 2806 | else: |
| 2807 | # namespace is not clear! |
| 2808 | main.log.error( name + " component already exists!" ) |
| 2809 | # FIXME: Should we exit here? |
| 2810 | main.cleanup() |
| 2811 | main.exit() |
| 2812 | |
| 2813 | def removeHostComponent( self, name ): |
| 2814 | """ |
| 2815 | Remove host component |
| 2816 | Arguments: |
| 2817 | name - The string of the name of the component to delete. |
| 2818 | """ |
| 2819 | try: |
| 2820 | # Get host component |
| 2821 | component = getattr( main, name ) |
| 2822 | except AttributeError: |
| 2823 | main.log.error( "Component " + name + " does not exist." ) |
| 2824 | return |
| 2825 | try: |
| 2826 | # Disconnect from component |
| 2827 | component.disconnect() |
| 2828 | # Delete component |
| 2829 | delattr( main, name ) |
| 2830 | # Delete component from ComponentDictionary |
| 2831 | del( main.componentDictionary[name] ) |
| 2832 | except Exception: |
| 2833 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2834 | main.cleanup() |
| 2835 | main.exit() |
| 2836 | |
| 2837 | def startHostCli( self, host=None ): |
| 2838 | """ |
| 2839 | Use the mininet m utility to connect to the host's cli |
| 2840 | """ |
| 2841 | # These are fields that can be used by scapy packets. Initialized to None |
| 2842 | self.hostIp = None |
| 2843 | self.hostMac = None |
| 2844 | try: |
| 2845 | if not host: |
| 2846 | host = self.name |
| 2847 | self.handle.sendline( self.home + "/util/m " + host ) |
| 2848 | self.handle.expect( self.hostPrompt ) |
| 2849 | return main.TRUE |
| 2850 | except pexpect.TIMEOUT: |
| 2851 | main.log.exception( self.name + ": Command timed out" ) |
| 2852 | return main.FALSE |
| 2853 | except pexpect.EOF: |
| 2854 | main.log.exception( self.name + ": connection closed." ) |
| 2855 | main.cleanup() |
| 2856 | main.exit() |
| 2857 | except Exception: |
| 2858 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2859 | main.cleanup() |
| 2860 | main.exit() |
| 2861 | |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2862 | def startScapy( self, mplsPath="" ): |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 2863 | """ |
| 2864 | Start the Scapy cli |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2865 | optional: |
| 2866 | mplsPath - The path where the MPLS class is located |
| 2867 | NOTE: This can be a relative path from the user's home dir |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 2868 | """ |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2869 | mplsLines = ['import imp', |
| 2870 | 'imp.load_source( "mplsClass", "{}mplsClass.py" )'.format(mplsPath), |
| 2871 | 'from mplsClass import MPLS', |
| 2872 | 'bind_layers(Ether, MPLS, type = 0x8847)', |
| 2873 | 'bind_layers(MPLS, MPLS, bottom_of_label_stack = 0)', |
| 2874 | 'bind_layers(MPLS, IP)'] |
| 2875 | |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 2876 | try: |
| 2877 | self.handle.sendline( "scapy" ) |
| 2878 | self.handle.expect( self.scapyPrompt ) |
| 2879 | self.handle.sendline( "conf.color_theme = NoTheme()" ) |
| 2880 | self.handle.expect( self.scapyPrompt ) |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 2881 | if mplsPath: |
| 2882 | main.log.info( "Adding MPLS class" ) |
| 2883 | main.log.info( "MPLS class path: " + mplsPath ) |
| 2884 | for line in mplsLines: |
| 2885 | main.log.info( "sending line: " + line ) |
| 2886 | self.handle.sendline( line ) |
| 2887 | self.handle.expect( self.scapyPrompt ) |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 2888 | return main.TRUE |
| 2889 | except pexpect.TIMEOUT: |
| 2890 | main.log.exception( self.name + ": Command timed out" ) |
| 2891 | return main.FALSE |
| 2892 | except pexpect.EOF: |
| 2893 | main.log.exception( self.name + ": connection closed." ) |
| 2894 | main.cleanup() |
| 2895 | main.exit() |
| 2896 | except Exception: |
| 2897 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2898 | main.cleanup() |
| 2899 | main.exit() |
| 2900 | |
| 2901 | def stopScapy( self ): |
| 2902 | """ |
| 2903 | Exit the Scapy cli |
| 2904 | """ |
| 2905 | try: |
| 2906 | self.handle.sendline( "exit()" ) |
| 2907 | self.handle.expect( self.hostPrompt ) |
| 2908 | return main.TRUE |
| 2909 | except pexpect.TIMEOUT: |
| 2910 | main.log.exception( self.name + ": Command timed out" ) |
| 2911 | return main.FALSE |
| 2912 | except pexpect.EOF: |
| 2913 | main.log.exception( self.name + ": connection closed." ) |
| 2914 | main.cleanup() |
| 2915 | main.exit() |
| 2916 | except Exception: |
| 2917 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2918 | main.cleanup() |
| 2919 | main.exit() |
| 2920 | |
| 2921 | def buildEther( self, **kwargs ): |
| 2922 | """ |
| 2923 | Build an Ethernet frame |
| 2924 | |
| 2925 | Will create a frame class with the given options. If a field is |
| 2926 | left blank it will default to the below value unless it is |
| 2927 | overwritten by the next frame. |
| 2928 | Default frame: |
| 2929 | ###[ Ethernet ]### |
| 2930 | dst= ff:ff:ff:ff:ff:ff |
| 2931 | src= 00:00:00:00:00:00 |
| 2932 | type= 0x800 |
| 2933 | |
| 2934 | Returns main.TRUE or main.FALSE on error |
| 2935 | """ |
| 2936 | try: |
| 2937 | # Set the Ethernet frame |
| 2938 | cmd = 'ether = Ether( ' |
| 2939 | options = [] |
| 2940 | for key, value in kwargs.iteritems(): |
| 2941 | if isinstance( value, str ): |
| 2942 | value = '"' + value + '"' |
| 2943 | options.append( str( key ) + "=" + str( value ) ) |
| 2944 | cmd += ", ".join( options ) |
| 2945 | cmd += ' )' |
| 2946 | self.handle.sendline( cmd ) |
| 2947 | self.handle.expect( self.scapyPrompt ) |
| 2948 | if "Traceback" in self.handle.before: |
| 2949 | # KeyError, SyntaxError, ... |
| 2950 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 2951 | return main.FALSE |
| 2952 | self.handle.sendline( "packet = ether" ) |
| 2953 | self.handle.expect( self.scapyPrompt ) |
| 2954 | if "Traceback" in self.handle.before: |
| 2955 | # KeyError, SyntaxError, ... |
| 2956 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 2957 | return main.FALSE |
| 2958 | return main.TRUE |
| 2959 | except pexpect.TIMEOUT: |
| 2960 | main.log.exception( self.name + ": Command timed out" ) |
| 2961 | return main.FALSE |
| 2962 | except pexpect.EOF: |
| 2963 | main.log.exception( self.name + ": connection closed." ) |
| 2964 | main.cleanup() |
| 2965 | main.exit() |
| 2966 | except Exception: |
| 2967 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 2968 | main.cleanup() |
| 2969 | main.exit() |
| 2970 | |
| 2971 | def buildIP( self, **kwargs ): |
| 2972 | """ |
| 2973 | Build an IP frame |
| 2974 | |
| 2975 | Will create a frame class with the given options. If a field is |
| 2976 | left blank it will default to the below value unless it is |
| 2977 | overwritten by the next frame. |
| 2978 | Default frame: |
| 2979 | ###[ IP ]### |
| 2980 | version= 4 |
| 2981 | ihl= None |
| 2982 | tos= 0x0 |
| 2983 | len= None |
| 2984 | id= 1 |
| 2985 | flags= |
| 2986 | frag= 0 |
| 2987 | ttl= 64 |
| 2988 | proto= hopopt |
| 2989 | chksum= None |
| 2990 | src= 127.0.0.1 |
| 2991 | dst= 127.0.0.1 |
| 2992 | \options\ |
| 2993 | |
| 2994 | Returns main.TRUE or main.FALSE on error |
| 2995 | """ |
| 2996 | try: |
| 2997 | # Set the IP frame |
| 2998 | cmd = 'ip = IP( ' |
| 2999 | options = [] |
| 3000 | for key, value in kwargs.iteritems(): |
| 3001 | if isinstance( value, str ): |
| 3002 | value = '"' + value + '"' |
| 3003 | options.append( str( key ) + "=" + str( value ) ) |
| 3004 | cmd += ", ".join( options ) |
| 3005 | cmd += ' )' |
| 3006 | self.handle.sendline( cmd ) |
| 3007 | self.handle.expect( self.scapyPrompt ) |
| 3008 | if "Traceback" in self.handle.before: |
| 3009 | # KeyError, SyntaxError, ... |
| 3010 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3011 | return main.FALSE |
| 3012 | self.handle.sendline( "packet = ether/ip" ) |
| 3013 | self.handle.expect( self.scapyPrompt ) |
| 3014 | if "Traceback" in self.handle.before: |
| 3015 | # KeyError, SyntaxError, ... |
| 3016 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3017 | return main.FALSE |
| 3018 | return main.TRUE |
| 3019 | except pexpect.TIMEOUT: |
| 3020 | main.log.exception( self.name + ": Command timed out" ) |
| 3021 | return main.FALSE |
| 3022 | except pexpect.EOF: |
| 3023 | main.log.exception( self.name + ": connection closed." ) |
| 3024 | main.cleanup() |
| 3025 | main.exit() |
| 3026 | except Exception: |
| 3027 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3028 | main.cleanup() |
| 3029 | main.exit() |
| 3030 | |
| 3031 | def buildIPv6( self, **kwargs ): |
| 3032 | """ |
| 3033 | Build an IPv6 frame |
| 3034 | |
| 3035 | Will create a frame class with the given options. If a field is |
| 3036 | left blank it will default to the below value unless it is |
| 3037 | overwritten by the next frame. |
| 3038 | Default frame: |
| 3039 | ###[ IPv6 ]### |
| 3040 | version= 6 |
| 3041 | tc= 0 |
| 3042 | fl= 0 |
| 3043 | plen= None |
| 3044 | nh= No Next Header |
| 3045 | hlim= 64 |
| 3046 | src= ::1 |
| 3047 | dst= ::1 |
| 3048 | |
| 3049 | Returns main.TRUE or main.FALSE on error |
| 3050 | """ |
| 3051 | try: |
| 3052 | # Set the IPv6 frame |
| 3053 | cmd = 'ipv6 = IPv6( ' |
| 3054 | options = [] |
| 3055 | for key, value in kwargs.iteritems(): |
| 3056 | if isinstance( value, str ): |
| 3057 | value = '"' + value + '"' |
| 3058 | options.append( str( key ) + "=" + str( value ) ) |
| 3059 | cmd += ", ".join( options ) |
| 3060 | cmd += ' )' |
| 3061 | self.handle.sendline( cmd ) |
| 3062 | self.handle.expect( self.scapyPrompt ) |
| 3063 | if "Traceback" in self.handle.before: |
| 3064 | # KeyError, SyntaxError, ... |
| 3065 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3066 | return main.FALSE |
| 3067 | self.handle.sendline( "packet = ether/ipv6" ) |
| 3068 | self.handle.expect( self.scapyPrompt ) |
| 3069 | if "Traceback" in self.handle.before: |
| 3070 | # KeyError, SyntaxError, ... |
| 3071 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3072 | return main.FALSE |
| 3073 | return main.TRUE |
| 3074 | except pexpect.TIMEOUT: |
| 3075 | main.log.exception( self.name + ": Command timed out" ) |
| 3076 | return main.FALSE |
| 3077 | except pexpect.EOF: |
| 3078 | main.log.exception( self.name + ": connection closed." ) |
| 3079 | main.cleanup() |
| 3080 | main.exit() |
| 3081 | except Exception: |
| 3082 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3083 | main.cleanup() |
| 3084 | main.exit() |
| 3085 | |
| 3086 | def buildTCP( self, ipVersion=4, **kwargs ): |
| 3087 | """ |
| 3088 | Build an TCP frame |
| 3089 | |
| 3090 | Will create a frame class with the given options. If a field is |
| 3091 | left blank it will default to the below value unless it is |
| 3092 | overwritten by the next frame. |
| 3093 | |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 3094 | NOTE: Some arguments require quotes around them. It's up to you to |
| 3095 | know which ones and to add them yourself. Arguments with an asterisk |
| 3096 | do not need quotes. |
| 3097 | |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3098 | Options: |
| 3099 | ipVersion - Either 4 (default) or 6, indicates what Internet Protocol |
| 3100 | frame to use to encapsulate into |
| 3101 | Default frame: |
| 3102 | ###[ TCP ]### |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 3103 | sport= ftp_data * |
| 3104 | dport= http * |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3105 | seq= 0 |
| 3106 | ack= 0 |
| 3107 | dataofs= None |
| 3108 | reserved= 0 |
| 3109 | flags= S |
| 3110 | window= 8192 |
| 3111 | chksum= None |
| 3112 | urgptr= 0 |
| 3113 | options= {} |
| 3114 | |
| 3115 | Returns main.TRUE or main.FALSE on error |
| 3116 | """ |
| 3117 | try: |
| 3118 | # Set the TCP frame |
| 3119 | cmd = 'tcp = TCP( ' |
| 3120 | options = [] |
| 3121 | for key, value in kwargs.iteritems(): |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3122 | options.append( str( key ) + "=" + str( value ) ) |
| 3123 | cmd += ", ".join( options ) |
| 3124 | cmd += ' )' |
| 3125 | self.handle.sendline( cmd ) |
| 3126 | self.handle.expect( self.scapyPrompt ) |
| 3127 | if "Traceback" in self.handle.before: |
| 3128 | # KeyError, SyntaxError, ... |
| 3129 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3130 | return main.FALSE |
| 3131 | if str( ipVersion ) is '4': |
| 3132 | self.handle.sendline( "packet = ether/ip/tcp" ) |
| 3133 | elif str( ipVersion ) is '6': |
| 3134 | self.handle.sendline( "packet = ether/ipv6/tcp" ) |
| 3135 | else: |
| 3136 | main.log.error( "Unrecognized option for ipVersion, given " + |
| 3137 | repr( ipVersion ) ) |
| 3138 | return main.FALSE |
| 3139 | self.handle.expect( self.scapyPrompt ) |
| 3140 | if "Traceback" in self.handle.before: |
| 3141 | # KeyError, SyntaxError, ... |
| 3142 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3143 | return main.FALSE |
| 3144 | return main.TRUE |
| 3145 | except pexpect.TIMEOUT: |
| 3146 | main.log.exception( self.name + ": Command timed out" ) |
| 3147 | return main.FALSE |
| 3148 | except pexpect.EOF: |
| 3149 | main.log.exception( self.name + ": connection closed." ) |
| 3150 | main.cleanup() |
| 3151 | main.exit() |
| 3152 | except Exception: |
| 3153 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3154 | main.cleanup() |
| 3155 | main.exit() |
| 3156 | |
| 3157 | def buildUDP( self, ipVersion=4, **kwargs ): |
| 3158 | """ |
| 3159 | Build an UDP frame |
| 3160 | |
| 3161 | Will create a frame class with the given options. If a field is |
| 3162 | left blank it will default to the below value unless it is |
| 3163 | overwritten by the next frame. |
| 3164 | |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 3165 | NOTE: Some arguments require quotes around them. It's up to you to |
| 3166 | know which ones and to add them yourself. Arguments with an asterisk |
| 3167 | do not need quotes. |
| 3168 | |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3169 | Options: |
| 3170 | ipVersion - Either 4 (default) or 6, indicates what Internet Protocol |
| 3171 | frame to use to encapsulate into |
| 3172 | Default frame: |
| 3173 | ###[ UDP ]### |
GlennRC | 956ea74 | 2015-11-05 16:14:15 -0800 | [diff] [blame] | 3174 | sport= domain * |
| 3175 | dport= domain * |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3176 | len= None |
| 3177 | chksum= None |
| 3178 | |
| 3179 | Returns main.TRUE or main.FALSE on error |
| 3180 | """ |
| 3181 | try: |
| 3182 | # Set the UDP frame |
| 3183 | cmd = 'udp = UDP( ' |
| 3184 | options = [] |
| 3185 | for key, value in kwargs.iteritems(): |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3186 | options.append( str( key ) + "=" + str( value ) ) |
| 3187 | cmd += ", ".join( options ) |
| 3188 | cmd += ' )' |
| 3189 | self.handle.sendline( cmd ) |
| 3190 | self.handle.expect( self.scapyPrompt ) |
| 3191 | if "Traceback" in self.handle.before: |
| 3192 | # KeyError, SyntaxError, ... |
| 3193 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3194 | return main.FALSE |
| 3195 | if str( ipVersion ) is '4': |
| 3196 | self.handle.sendline( "packet = ether/ip/udp" ) |
| 3197 | elif str( ipVersion ) is '6': |
| 3198 | self.handle.sendline( "packet = ether/ipv6/udp" ) |
| 3199 | else: |
| 3200 | main.log.error( "Unrecognized option for ipVersion, given " + |
| 3201 | repr( ipVersion ) ) |
| 3202 | return main.FALSE |
| 3203 | self.handle.expect( self.scapyPrompt ) |
| 3204 | if "Traceback" in self.handle.before: |
| 3205 | # KeyError, SyntaxError, ... |
| 3206 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3207 | return main.FALSE |
| 3208 | return main.TRUE |
| 3209 | except pexpect.TIMEOUT: |
| 3210 | main.log.exception( self.name + ": Command timed out" ) |
| 3211 | return main.FALSE |
| 3212 | except pexpect.EOF: |
| 3213 | main.log.exception( self.name + ": connection closed." ) |
| 3214 | main.cleanup() |
| 3215 | main.exit() |
| 3216 | except Exception: |
| 3217 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3218 | main.cleanup() |
| 3219 | main.exit() |
| 3220 | |
| 3221 | def buildICMP( self, **kwargs ): |
| 3222 | """ |
| 3223 | Build an ICMP frame |
| 3224 | |
| 3225 | Will create a frame class with the given options. If a field is |
| 3226 | left blank it will default to the below value unless it is |
| 3227 | overwritten by the next frame. |
| 3228 | Default frame: |
| 3229 | ###[ ICMP ]### |
| 3230 | type= echo-request |
| 3231 | code= 0 |
| 3232 | chksum= None |
| 3233 | id= 0x0 |
| 3234 | seq= 0x0 |
| 3235 | |
| 3236 | Returns main.TRUE or main.FALSE on error |
| 3237 | """ |
| 3238 | try: |
| 3239 | # Set the ICMP frame |
| 3240 | cmd = 'icmp = ICMP( ' |
| 3241 | options = [] |
| 3242 | for key, value in kwargs.iteritems(): |
| 3243 | if isinstance( value, str ): |
| 3244 | value = '"' + value + '"' |
| 3245 | options.append( str( key ) + "=" + str( value ) ) |
| 3246 | cmd += ", ".join( options ) |
| 3247 | cmd += ' )' |
| 3248 | self.handle.sendline( cmd ) |
| 3249 | self.handle.expect( self.scapyPrompt ) |
| 3250 | if "Traceback" in self.handle.before: |
| 3251 | # KeyError, SyntaxError, ... |
| 3252 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3253 | return main.FALSE |
| 3254 | self.handle.sendline( "packet = ether/ip/icmp" ) |
| 3255 | self.handle.expect( self.scapyPrompt ) |
| 3256 | if "Traceback" in self.handle.before: |
| 3257 | # KeyError, SyntaxError, ... |
| 3258 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3259 | return main.FALSE |
| 3260 | return main.TRUE |
| 3261 | except pexpect.TIMEOUT: |
| 3262 | main.log.exception( self.name + ": Command timed out" ) |
| 3263 | return main.FALSE |
| 3264 | except pexpect.EOF: |
| 3265 | main.log.exception( self.name + ": connection closed." ) |
| 3266 | main.cleanup() |
| 3267 | main.exit() |
| 3268 | except Exception: |
| 3269 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3270 | main.cleanup() |
| 3271 | main.exit() |
| 3272 | |
GlennRC | 073e8bc | 2015-10-27 17:11:28 -0700 | [diff] [blame] | 3273 | def sendPacket( self, iface=None, packet=None, timeout=1 ): |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3274 | """ |
| 3275 | Send a packet with either the given scapy packet command, or use the |
| 3276 | packet saved in the variable 'packet'. |
| 3277 | |
| 3278 | Examples of a valid string for packet: |
| 3279 | |
| 3280 | Simple IP packet |
| 3281 | packet='Ether(dst="a6:d9:26:df:1d:4b")/IP(dst="10.0.0.2")' |
| 3282 | |
| 3283 | A Ping with two vlan tags |
| 3284 | packet='Ether(dst='ff:ff:ff:ff:ff:ff')/Dot1Q(vlan=1)/Dot1Q(vlan=10)/ |
| 3285 | IP(dst='255.255.255.255', src='192.168.0.1')/ICMP()' |
| 3286 | |
| 3287 | Returns main.TRUE or main.FALSE on error |
| 3288 | """ |
| 3289 | try: |
| 3290 | # TODO: add all params, or use kwargs |
| 3291 | sendCmd = 'srp( ' |
| 3292 | if packet: |
| 3293 | sendCmd += packet |
| 3294 | else: |
| 3295 | sendCmd += "packet" |
GlennRC | 073e8bc | 2015-10-27 17:11:28 -0700 | [diff] [blame] | 3296 | if iface: |
| 3297 | sendCmd += ", iface='{}'".format( iface ) |
| 3298 | |
Jon Hall | 892818c | 2015-10-20 17:58:34 -0700 | [diff] [blame] | 3299 | sendCmd += ', timeout=' + str( timeout ) + ')' |
| 3300 | self.handle.sendline( sendCmd ) |
| 3301 | self.handle.expect( self.scapyPrompt ) |
| 3302 | if "Traceback" in self.handle.before: |
| 3303 | # KeyError, SyntaxError, ... |
| 3304 | main.log.error( "Error in sending command: " + self.handle.before ) |
| 3305 | return main.FALSE |
| 3306 | # TODO: Check # of packets sent? |
| 3307 | return main.TRUE |
| 3308 | except pexpect.TIMEOUT: |
| 3309 | main.log.exception( self.name + ": Command timed out" ) |
| 3310 | return main.FALSE |
| 3311 | except pexpect.EOF: |
| 3312 | main.log.exception( self.name + ": connection closed." ) |
| 3313 | main.cleanup() |
| 3314 | main.exit() |
| 3315 | except Exception: |
| 3316 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3317 | main.cleanup() |
| 3318 | main.exit() |
| 3319 | |
| 3320 | def startFilter( self, ifaceName=None, sniffCount=1, pktFilter="ip" ): |
| 3321 | """ |
| 3322 | Listen for packets using the given filters |
| 3323 | |
| 3324 | Options: |
| 3325 | ifaceName - the name of the interface to listen on. If none is given, |
| 3326 | defaults to <host name>-eth0 |
| 3327 | pktFilter - A string in Berkeley Packet Filter (BPF) format which |
| 3328 | specifies which packets to sniff |
| 3329 | sniffCount - The number of matching packets to capture before returning |
| 3330 | |
| 3331 | Returns main.TRUE or main.FALSE on error |
| 3332 | """ |
| 3333 | try: |
| 3334 | # TODO: add all params, or use kwargs |
| 3335 | ifaceName = str( ifaceName ) if ifaceName else self.name + "-eth0" |
| 3336 | # Set interface |
| 3337 | self.handle.sendline( ' conf.iface = "' + ifaceName + '"' ) |
| 3338 | self.handle.expect( self.scapyPrompt ) |
| 3339 | cmd = 'pkt = sniff(count = ' + str( sniffCount ) +\ |
| 3340 | ', filter = "' + str( pktFilter ) + '")' |
| 3341 | self.handle.sendline( cmd ) |
| 3342 | self.handle.expect( '"\)\r\n' ) |
| 3343 | # TODO: parse this? |
| 3344 | return main.TRUE |
| 3345 | except pexpect.TIMEOUT: |
| 3346 | main.log.exception( self.name + ": Command timed out" ) |
| 3347 | return main.FALSE |
| 3348 | except pexpect.EOF: |
| 3349 | main.log.exception( self.name + ": connection closed." ) |
| 3350 | main.cleanup() |
| 3351 | main.exit() |
| 3352 | except Exception: |
| 3353 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3354 | main.cleanup() |
| 3355 | main.exit() |
| 3356 | |
| 3357 | def checkFilter( self ): |
| 3358 | """ |
| 3359 | Check that a filter returned and returns the reponse |
| 3360 | """ |
| 3361 | try: |
| 3362 | i = self.handle.expect( [ self.scapyPrompt, pexpect.TIMEOUT ] ) |
| 3363 | if i == 0: |
| 3364 | return main.TRUE |
| 3365 | else: |
| 3366 | return main.FALSE |
| 3367 | except pexpect.EOF: |
| 3368 | main.log.exception( self.name + ": connection closed." ) |
| 3369 | main.cleanup() |
| 3370 | main.exit() |
| 3371 | except Exception: |
| 3372 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3373 | main.cleanup() |
| 3374 | main.exit() |
| 3375 | |
| 3376 | def killFilter( self ): |
| 3377 | """ |
| 3378 | Kill a scapy filter |
| 3379 | """ |
| 3380 | try: |
| 3381 | self.handle.send( "\x03" ) # Send a ctrl-c to kill the filter |
| 3382 | self.handle.expect( self.scapyPrompt ) |
| 3383 | return self.handle.before |
| 3384 | except pexpect.TIMEOUT: |
| 3385 | main.log.exception( self.name + ": Command timed out" ) |
| 3386 | return None |
| 3387 | except pexpect.EOF: |
| 3388 | main.log.exception( self.name + ": connection closed." ) |
| 3389 | main.cleanup() |
| 3390 | main.exit() |
| 3391 | except Exception: |
| 3392 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3393 | main.cleanup() |
| 3394 | main.exit() |
| 3395 | |
| 3396 | def readPackets( self ): |
| 3397 | """ |
| 3398 | Read all the packets captured by the previous filter |
| 3399 | """ |
| 3400 | try: |
| 3401 | self.handle.sendline( "for p in pkt: p \n") |
| 3402 | self.handle.expect( "for p in pkt: p \r\n... \r\n" ) |
| 3403 | self.handle.expect( self.scapyPrompt ) |
| 3404 | except pexpect.TIMEOUT: |
| 3405 | main.log.exception( self.name + ": Command timed out" ) |
| 3406 | return None |
| 3407 | except pexpect.EOF: |
| 3408 | main.log.exception( self.name + ": connection closed." ) |
| 3409 | main.cleanup() |
| 3410 | main.exit() |
| 3411 | except Exception: |
| 3412 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3413 | main.cleanup() |
| 3414 | main.exit() |
| 3415 | return self.handle.before |
| 3416 | |
| 3417 | def updateSelf( self ): |
| 3418 | """ |
| 3419 | Updates local MAC and IP fields |
| 3420 | """ |
| 3421 | self.hostMac = self.getMac() |
| 3422 | self.hostIp = self.getIp() |
| 3423 | |
| 3424 | def getMac( self, ifaceName=None ): |
| 3425 | """ |
| 3426 | Save host's MAC address |
| 3427 | """ |
| 3428 | try: |
| 3429 | ifaceName = str( ifaceName ) if ifaceName else self.name + "-eth0" |
| 3430 | cmd = 'get_if_hwaddr("' + str( ifaceName ) + '")' |
| 3431 | self.handle.sendline( cmd ) |
| 3432 | self.handle.expect( self.scapyPrompt ) |
| 3433 | pattern = r'(([0-9a-f]{2}[:-]){5}([0-9a-f]{2}))' |
| 3434 | match = re.search( pattern, self.handle.before ) |
| 3435 | if match: |
| 3436 | return match.group() |
| 3437 | else: |
| 3438 | # the command will have an exception if iface doesn't exist |
| 3439 | return None |
| 3440 | except pexpect.TIMEOUT: |
| 3441 | main.log.exception( self.name + ": Command timed out" ) |
| 3442 | return None |
| 3443 | except pexpect.EOF: |
| 3444 | main.log.exception( self.name + ": connection closed." ) |
| 3445 | main.cleanup() |
| 3446 | main.exit() |
| 3447 | except Exception: |
| 3448 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3449 | main.cleanup() |
| 3450 | main.exit() |
| 3451 | |
| 3452 | def getIp( self, ifaceName=None ): |
| 3453 | """ |
| 3454 | Save host's IP address |
| 3455 | """ |
| 3456 | try: |
| 3457 | ifaceName = ifaceName if ifaceName else self.name + "-eth0" |
| 3458 | cmd = 'get_if_addr("' + str( ifaceName ) + '")' |
| 3459 | self.handle.sendline( cmd ) |
| 3460 | self.handle.expect( self.scapyPrompt ) |
| 3461 | |
| 3462 | pattern = r'(((2[0-5]|1[0-9]|[0-9])?[0-9]\.){3}((2[0-5]|1[0-9]|[0-9])?[0-9]))' |
| 3463 | match = re.search( pattern, self.handle.before ) |
| 3464 | if match: |
| 3465 | # NOTE: The command will return 0.0.0.0 if the iface doesn't exist |
| 3466 | return match.group() |
| 3467 | else: |
| 3468 | return None |
| 3469 | except pexpect.TIMEOUT: |
| 3470 | main.log.exception( self.name + ": Command timed out" ) |
| 3471 | return None |
| 3472 | except pexpect.EOF: |
| 3473 | main.log.exception( self.name + ": connection closed." ) |
| 3474 | main.cleanup() |
| 3475 | main.exit() |
| 3476 | except Exception: |
| 3477 | main.log.exception( self.name + ": Uncaught exception!" ) |
| 3478 | main.cleanup() |
| 3479 | main.exit() |
| 3480 | |
admin | bae64d8 | 2013-08-01 10:50:15 -0700 | [diff] [blame] | 3481 | if __name__ != "__main__": |
kelvin-onlab | 5090714 | 2015-04-01 13:37:45 -0700 | [diff] [blame] | 3482 | sys.modules[ __name__ ] = MininetCliDriver() |