jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1 | # 2015.03.12 10:22:05 PDT |
| 2 | #Embedded file name: ../tests/TopoPerfNextBM/TopoPerfNextBM.py |
| 3 | import time |
| 4 | import sys |
| 5 | import os |
| 6 | import re |
| 7 | |
| 8 | class TopoPerfNextBM: |
| 9 | |
| 10 | def __init__(self): |
| 11 | self.default = '' |
| 12 | |
| 13 | def CASE1(self, main): |
| 14 | """ |
| 15 | ONOS startup sequence |
| 16 | """ |
| 17 | global clusterCount |
| 18 | global timeToPost |
| 19 | global runNum |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 20 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 21 | import time |
| 22 | clusterCount = 1 |
| 23 | timeToPost = time.strftime('%Y-%m-%d %H:%M:%S') |
| 24 | runNum = time.strftime('%d%H%M%S') |
| 25 | cellName = main.params['ENV']['cellName'] |
| 26 | gitPull = main.params['GIT']['autoPull'] |
| 27 | checkoutBranch = main.params['GIT']['checkout'] |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 28 | |
| 29 | global CLIs |
| 30 | CLIs = [] |
| 31 | global nodes |
| 32 | nodes = [] |
| 33 | global nodeIpList |
| 34 | nodeIpList = [] |
| 35 | for i in range( 1, 8 ): |
| 36 | CLIs.append( getattr( main, 'ONOS' + str( i ) + 'cli' ) ) |
| 37 | nodes.append( getattr( main, 'ONOS' + str( i ) ) ) |
| 38 | nodeIpList.append( main.params[ 'CTRL' ][ 'ip'+str(i) ] ) |
| 39 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 40 | MN1Ip = main.params['MN']['ip1'] |
| 41 | BENCHIp = main.params['BENCH']['ip'] |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 42 | cellFeatures = main.params['ENV']['cellFeatures'] |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 43 | topoCfgFile = main.params['TEST']['topoConfigFile'] |
| 44 | topoCfgName = main.params['TEST']['topoConfigName'] |
| 45 | portEventResultPath = main.params['DB']['portEventResultPath'] |
| 46 | switchEventResultPath = main.params['DB']['switchEventResultPath'] |
| 47 | mvnCleanInstall = main.params['TEST']['mci'] |
| 48 | |
| 49 | main.case('Setting up test environment') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 50 | |
| 51 | # NOTE: Below is deprecated after new way to install features |
| 52 | #main.log.info('Copying topology event accumulator config' + |
| 53 | # ' to ONOS /package/etc') |
| 54 | #main.ONOSbench.handle.sendline('cp ~/' + |
| 55 | # topoCfgFile + ' ~/ONOS/tools/package/etc/' + |
| 56 | # topoCfgName) |
| 57 | #main.ONOSbench.handle.expect('\\$') |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 58 | |
| 59 | main.log.report('Setting up test environment') |
| 60 | |
| 61 | main.step('Starting mininet topology ') |
| 62 | main.Mininet1.startNet() |
| 63 | |
| 64 | main.step('Cleaning previously installed ONOS if any') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 65 | # Nodes 2 ~ 7 |
| 66 | for i in range( 1, 7 ): |
| 67 | main.ONOSbench.onosUninstall(nodeIp=nodeIpList[i]) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 68 | |
| 69 | main.step('Clearing previous DB log file') |
| 70 | |
| 71 | fPortLog = open(portEventResultPath, 'w') |
| 72 | fPortLog.write('') |
| 73 | fPortLog.close() |
| 74 | fSwitchLog = open(switchEventResultPath, 'w') |
| 75 | fSwitchLog.write('') |
| 76 | fSwitchLog.close() |
| 77 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 78 | main.step('Creating cell file') |
| 79 | cellFileResult = main.ONOSbench.createCellFile( |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 80 | BENCHIp, cellName, MN1Ip, cellFeatures, nodeIpList[0]) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 81 | |
| 82 | main.step('Applying cell file to environment') |
| 83 | cellApplyResult = main.ONOSbench.setCell(cellName) |
| 84 | verifyCellResult = main.ONOSbench.verifyCell() |
| 85 | |
| 86 | main.step('Git checkout and pull ' + checkoutBranch) |
| 87 | if gitPull == 'on': |
| 88 | checkoutResult = main.TRUE |
| 89 | pullResult = main.ONOSbench.gitPull() |
| 90 | else: |
| 91 | checkoutResult = main.TRUE |
| 92 | pullResult = main.TRUE |
| 93 | main.log.info('Skipped git checkout and pull') |
| 94 | |
| 95 | main.log.report('Commit information - ') |
| 96 | main.ONOSbench.getVersion(report=True) |
| 97 | main.step('Using mvn clean & install') |
| 98 | if mvnCleanInstall == 'on': |
| 99 | mvnResult = main.ONOSbench.cleanInstall() |
| 100 | elif mvnCleanInstall == 'off': |
| 101 | main.log.info('mci turned off by settings') |
| 102 | mvnResult = main.TRUE |
| 103 | main.step('Set cell for ONOS cli env') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 104 | CLIs[0].setCell(cellName) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 105 | |
| 106 | main.step('Creating ONOS package') |
| 107 | packageResult = main.ONOSbench.onosPackage() |
| 108 | |
| 109 | main.step('Installing ONOS package') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 110 | install1Result = main.ONOSbench.onosInstall(node=nodeIpList[0]) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 111 | |
| 112 | time.sleep(10) |
| 113 | |
| 114 | main.step('Start onos cli') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 115 | cli1 = CLIs[0].startOnosCli(nodeIpList[0]) |
| 116 | |
| 117 | main.step( 'activating essential applications' ) |
| 118 | CLIs[0].activateApp( 'org.onosproject.metrics' ) |
| 119 | CLIs[0].activateApp( 'org.onosproject.openflow' ) |
| 120 | |
| 121 | main.step( 'Configuring application parameters' ) |
| 122 | configName = 'org.onosproject.net.topology.impl.DefaultTopologyProvider' |
| 123 | configParam = 'maxEvents 1' |
| 124 | main.ONOSbench.onosCfgSet( nodeIpList[0], configName, configParam ) |
| 125 | configParam = 'maxBatchMs 0' |
| 126 | main.ONOSbench.onosCfgSet( nodeIpList[0], configName, configParam ) |
| 127 | configParam = 'maxIdleMs 0' |
| 128 | main.ONOSbench.onosCfgSet( nodeIpList[0], configName, configParam ) |
| 129 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 130 | utilities.assert_equals(expect=main.TRUE, |
| 131 | actual=cellFileResult and cellApplyResult and\ |
| 132 | verifyCellResult and checkoutResult and\ |
| 133 | pullResult and mvnResult and\ |
| 134 | install1Result, |
| 135 | onpass='Test Environment setup successful', |
| 136 | onfail='Failed to setup test environment') |
| 137 | |
| 138 | def CASE2(self, main): |
| 139 | """ |
| 140 | Assign s1 to ONOS1 and measure latency |
| 141 | |
| 142 | There are 4 levels of latency measurements to this test: |
| 143 | 1 ) End-to-end measurement: Complete end-to-end measurement |
| 144 | from TCP ( SYN/ACK ) handshake to Graph change |
| 145 | 2 ) OFP-to-graph measurement: 'ONOS processing' snippet of |
| 146 | measurement from OFP Vendor message to Graph change |
| 147 | 3 ) OFP-to-device measurement: 'ONOS processing without |
| 148 | graph change' snippet of measurement from OFP vendor |
| 149 | message to Device change timestamp |
| 150 | 4 ) T0-to-device measurement: Measurement that includes |
| 151 | the switch handshake to devices timestamp without |
| 152 | the graph view change. ( TCP handshake -> Device |
| 153 | change ) |
| 154 | """ |
| 155 | import time |
| 156 | import subprocess |
| 157 | import json |
| 158 | import requests |
| 159 | import os |
| 160 | import numpy |
| 161 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 162 | ONOSUser = main.params['CTRL']['user'] |
| 163 | defaultSwPort = main.params['CTRL']['port1'] |
| 164 | numIter = main.params['TEST']['numIter'] |
| 165 | iterIgnore = int(main.params['TEST']['iterIgnore']) |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 166 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 167 | deviceTimestampKey = main.params['JSON']['deviceTimestamp'] |
| 168 | graphTimestampKey = main.params['JSON']['graphTimestamp'] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 169 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 170 | debugMode = main.params['TEST']['debugMode'] |
| 171 | onosLog = main.params['TEST']['onosLogFile'] |
| 172 | resultPath = main.params['DB']['switchEventResultPath'] |
| 173 | thresholdStr = main.params['TEST']['singleSwThreshold'] |
| 174 | thresholdObj = thresholdStr.split(',') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 175 | thresholdMin = float(thresholdObj[0]) |
| 176 | thresholdMax = float(thresholdObj[1]) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 177 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 178 | # Look for 'role-request' messages, |
| 179 | # which replaces the 'vendor' messages previously seen |
| 180 | # on OVS 2.0.1 |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 181 | tsharkTcpString = main.params[ 'TSHARK' ][ 'tcpSynAck' ] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 182 | tsharkFeatureReply = main.params[ 'TSHARK' ][ 'featureReply' ] |
| 183 | tsharkRoleRequest = main.params[ 'TSHARK' ][ 'roleRequest' ] |
| 184 | tsharkOfString = main.params[ 'TSHARK' ][ 'ofpRoleReply' ] |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 185 | tsharkFinAckSequence = main.params[ 'TSHARK' ][ 'finAckSequence' ] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 186 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 187 | tsharkOfOutput = '/tmp/tshark_of_topo.txt' |
| 188 | tsharkTcpOutput = '/tmp/tshark_tcp_topo.txt' |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 189 | tsharkRoleOutput = '/tmp/tshark_role_request.txt' |
| 190 | tsharkFeatureOutput = '/tmp/tshark_feature_reply.txt' |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 191 | tsharkFinAckOutput = '/tmp/tshark_fin_ack.txt' |
| 192 | |
| 193 | # Switch connect measurement list |
| 194 | # TCP Syn/Ack -> Feature Reply latency collection for each node |
| 195 | tcpToFeatureLatNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 196 | # Feature Reply -> Role Request latency collection for each node |
| 197 | featureToRoleRequestLatNodeIter = numpy.zeros((clusterCount, |
| 198 | int(numIter))) |
| 199 | # Role Request -> Role Reply latency collection for each node |
| 200 | roleRequestToRoleReplyLatNodeIter = numpy.zeros((clusterCount, |
| 201 | int(numIter))) |
| 202 | # Role Reply -> Device Update latency collection for each node |
| 203 | roleReplyToDeviceLatNodeIter = numpy.zeros((clusterCount, |
| 204 | int(numIter))) |
| 205 | # Device Update -> Graph Update latency collection for each node |
| 206 | deviceToGraphLatNodeIter = numpy.zeros((clusterCount, |
| 207 | int(numIter))) |
| 208 | |
| 209 | # Switch disconnect measurement lists |
| 210 | # Mininet Fin / Ack -> Mininet Ack |
| 211 | finAckTransactionLatNodeIter = numpy.zeros((clusterCount, |
| 212 | int(numIter))) |
| 213 | # Mininet Ack -> Device Event |
| 214 | ackToDeviceLatNodeIter = numpy.zeros((clusterCount, |
| 215 | int(numIter))) |
| 216 | # Device event -> Graph event |
| 217 | deviceToGraphDiscLatNodeIter = numpy.zeros((clusterCount, |
| 218 | int(numIter))) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 219 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 220 | endToEndLatNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 221 | ofpToGraphLatNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 222 | ofpToDeviceLatNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 223 | |
| 224 | tcpToOfpLatIter = [] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 225 | tcpToFeatureLatIter = [] |
| 226 | tcpToRoleLatIter = [] |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 227 | assertion = main.TRUE |
| 228 | localTime = time.strftime('%x %X') |
| 229 | localTime = localTime.replace('/', '') |
| 230 | localTime = localTime.replace(' ', '_') |
| 231 | localTime = localTime.replace(':', '') |
| 232 | |
| 233 | if debugMode == 'on': |
| 234 | main.ONOS1.tsharkPcap('eth0', |
| 235 | '/tmp/single_sw_lat_pcap_' + localTime) |
| 236 | main.log.info('Debug mode is on') |
| 237 | main.log.report('Latency of adding one switch to controller') |
| 238 | main.log.report('First ' + str(iterIgnore) + |
| 239 | ' iterations ignored' + ' for jvm warmup time') |
| 240 | main.log.report('Total iterations of test: ' + str(numIter)) |
| 241 | |
| 242 | for i in range(0, int(numIter)): |
| 243 | main.log.info('Starting tshark capture') |
| 244 | main.ONOS1.tsharkGrep(tsharkTcpString, tsharkTcpOutput) |
| 245 | main.ONOS1.tsharkGrep(tsharkOfString, tsharkOfOutput) |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 246 | main.ONOS1.tsharkGrep(tsharkRoleRequest, tsharkRoleOutput) |
| 247 | main.ONOS1.tsharkGrep(tsharkFeatureReply, tsharkFeatureOutput) |
| 248 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 249 | time.sleep(10) |
| 250 | |
| 251 | main.log.info('Assigning s3 to controller') |
| 252 | main.Mininet1.assignSwController(sw='3', |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 253 | ip1=nodeIpList[0], port1=defaultSwPort) |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 254 | |
| 255 | time.sleep(10) |
| 256 | |
| 257 | main.log.info('Stopping all Tshark processes') |
| 258 | main.ONOS1.tsharkStop() |
| 259 | |
| 260 | main.log.info('Copying over tshark files') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 261 | os.system('scp ' + ONOSUser + '@' + nodeIpList[0] + |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 262 | ':' + tsharkTcpOutput + ' /tmp/') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 263 | os.system('scp ' + ONOSUser + '@' + nodeIpList[0] + |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 264 | ':' + tsharkRoleOutput + ' /tmp/') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 265 | os.system('scp ' + ONOSUser + '@' + nodeIpList[0] + |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 266 | ':' + tsharkFeatureOutput + ' /tmp/') |
| 267 | os.system('scp ' + ONOSUser + '@' + |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 268 | nodeIpList[0] + ':' + tsharkOfOutput + ' /tmp/') |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 269 | |
| 270 | # Get tcp syn / ack output |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 271 | time.sleep(5) |
| 272 | tcpFile = open(tsharkTcpOutput, 'r') |
| 273 | tempText = tcpFile.readline() |
| 274 | tempText = tempText.split(' ') |
| 275 | main.log.info('Object read in from TCP capture: ' + |
| 276 | str(tempText)) |
| 277 | |
| 278 | if len(tempText) > 1: |
| 279 | t0Tcp = float(tempText[1]) * 1000.0 |
| 280 | else: |
| 281 | main.log.error('Tshark output file for TCP' + |
| 282 | ' returned unexpected results') |
| 283 | t0Tcp = 0 |
| 284 | assertion = main.FALSE |
| 285 | tcpFile.close() |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 286 | |
| 287 | # Get Role reply output |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 288 | time.sleep(5) |
| 289 | ofFile = open(tsharkOfOutput, 'r') |
| 290 | lineOfp = '' |
| 291 | while True: |
| 292 | tempText = ofFile.readline() |
| 293 | if tempText != '': |
| 294 | lineOfp = tempText |
| 295 | else: |
| 296 | break |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 297 | obj = lineOfp.split(' ') |
| 298 | main.log.info('Object read in from OFP capture: ' + |
| 299 | str(lineOfp)) |
| 300 | if len(obj) > 1: |
| 301 | t0Ofp = float(obj[1]) * 1000.0 |
| 302 | else: |
| 303 | main.log.error('Tshark output file for OFP' + |
| 304 | ' returned unexpected results') |
| 305 | t0Ofp = 0 |
| 306 | assertion = main.FALSE |
| 307 | ofFile.close() |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 308 | |
| 309 | # Get role request output |
| 310 | roleFile = open(tsharkRoleOutput, 'r') |
| 311 | tempText = roleFile.readline() |
| 312 | tempText = tempText.split(' ') |
| 313 | if len(tempText) > 1: |
| 314 | main.log.info('Object read in from role request capture:' + |
| 315 | str(tempText)) |
| 316 | roleTimestamp = float(tempText[1]) * 1000.0 |
| 317 | else: |
| 318 | main.log.error('Tshark output file for role request' + |
| 319 | ' returned unexpected results') |
| 320 | timeRoleRequest = 0 |
| 321 | assertion = main.FALSE |
| 322 | roleFile.close() |
| 323 | |
| 324 | # Get feature reply output |
| 325 | featureFile = open(tsharkFeatureOutput, 'r') |
| 326 | tempText = featureFile.readline() |
| 327 | tempText = tempText.split(' ') |
| 328 | if len(tempText) > 1: |
| 329 | main.log.info('Object read in from feature reply capture: '+ |
| 330 | str(tempText)) |
| 331 | featureTimestamp = float(tempText[1]) * 1000.0 |
| 332 | else: |
| 333 | main.log.error('Tshark output file for feature reply' + |
| 334 | ' returned unexpected results') |
| 335 | timeFeatureReply = 0 |
| 336 | assertion = main.FALSE |
| 337 | featureFile.close() |
| 338 | |
| 339 | # TODO: calculate feature reply, role request times |
| 340 | # stack measurements correctly and report |
| 341 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 342 | #TODO: Refactor in progress |
| 343 | |
| 344 | for node in range(0, clusterCount): |
| 345 | nodeNum = node+1 |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 346 | metricsSwUp = CLIs[node].topologyEventsMetrics |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 347 | jsonStr = metricsSwUp() |
| 348 | jsonObj = json.loads(jsonStr) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 349 | if jsonObj: |
| 350 | graphTimestamp = jsonObj[graphTimestampKey]['value'] |
| 351 | deviceTimestamp = jsonObj[deviceTimestampKey]['value'] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 352 | else: |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 353 | main.log.error( "Unexpected JSON object" ) |
| 354 | # If we could not obtain the JSON object, |
| 355 | # set the timestamps to 0, which will be |
| 356 | # excluded from the measurement later on |
| 357 | # (realized as invalid) |
| 358 | graphTimestamp = 0 |
| 359 | deviceTimestamp = 0 |
| 360 | |
| 361 | endToEnd = int(graphTimestamp) - int(t0Tcp) |
| 362 | |
| 363 | # Below are measurement breakdowns of the end-to-end |
| 364 | # measurement. |
| 365 | tcpToFeature = int(featureTimestamp) - int(t0Tcp) |
| 366 | featureToRole = int(roleTimestamp) - int(featureTimestamp) |
| 367 | roleToOfp = int(t0Ofp) - int(roleTimestamp) |
| 368 | ofpToDevice = int(deviceTimestamp) - int(t0Ofp) |
| 369 | deviceToGraph = float(graphTimestamp) - float(deviceTimestamp) |
| 370 | |
| 371 | if endToEnd > thresholdMin and\ |
| 372 | endToEnd < thresholdMax and i >= iterIgnore: |
| 373 | endToEndLatNodeIter[node][i] = endToEnd |
| 374 | main.log.info("ONOS "+str(nodeNum)+ " end-to-end: "+ |
| 375 | str(endToEnd) + " ms") |
| 376 | else: |
| 377 | main.log.info("ONOS "+str(nodeNum)+ " end-to-end "+ |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 378 | "measurement ignored due to excess in "+ |
| 379 | "threshold or premature iteration") |
| 380 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 381 | if tcpToFeature > thresholdMin and\ |
| 382 | tcpToFeature < thresholdMax and i >= iterIgnore: |
| 383 | tcpToFeatureLatNodeIter[node][i] = tcpToFeature |
| 384 | main.log.info("ONOS "+str(nodeNum)+ " tcp-to-feature: "+ |
| 385 | str(tcpToFeature) + " ms") |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 386 | else: |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 387 | main.log.info("ONOS "+str(nodeNum)+ " tcp-to-feature "+ |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 388 | "measurement ignored due to excess in "+ |
| 389 | "threshold or premature iteration") |
| 390 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 391 | if featureToRole > thresholdMin and\ |
| 392 | featureToRole < thresholdMax and i >= iterIgnore: |
| 393 | featureToRoleRequestLatNodeIter[node][i] = featureToRole |
| 394 | main.log.info("ONOS "+str(nodeNum)+ " feature-to-role: "+ |
| 395 | str(featureToRole) + " ms") |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 396 | else: |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 397 | main.log.info("ONOS "+str(nodeNum)+ " feature-to-role "+ |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 398 | "measurement ignored due to excess in "+ |
| 399 | "threshold or premature iteration") |
| 400 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 401 | if roleToOfp > thresholdMin and\ |
| 402 | roleToOfp < thresholdMax and i >= iterIgnore: |
| 403 | roleRequestToRoleReplyLatNodeIter[node][i] = roleToOfp |
| 404 | main.log.info("ONOS "+str(nodeNum)+ " role-to-reply: "+ |
| 405 | str(roleToOfp) + " ms") |
| 406 | else: |
| 407 | main.log.info("ONOS "+str(nodeNum)+ " role-to-reply "+ |
| 408 | "measurement ignored due to excess in "+ |
| 409 | "threshold or premature iteration") |
| 410 | |
| 411 | if ofpToDevice > thresholdMin and\ |
| 412 | ofpToDevice < thresholdMax and i >= iterIgnore: |
| 413 | roleReplyToDeviceLatNodeIter[node][i] = ofpToDevice |
| 414 | main.log.info("ONOS "+str(nodeNum)+ " reply-to-device: "+ |
| 415 | str(ofpToDevice) + " ms") |
| 416 | else: |
| 417 | main.log.info("ONOS "+str(nodeNum)+ " role-to-reply "+ |
| 418 | "measurement ignored due to excess in "+ |
| 419 | "threshold or premature iteration") |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 420 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 421 | if deviceToGraph > thresholdMin and\ |
| 422 | deviceToGraph < thresholdMax and i >= iterIgnore: |
| 423 | deviceToGraphLatNodeIter[node][i] = deviceToGraph |
| 424 | main.log.info("ONOS "+str(nodeNum)+ " device-to-graph: "+ |
| 425 | str(deviceToGraph) + " ms") |
| 426 | else: |
| 427 | main.log.info("ONOS "+str(nodeNum)+ " device=to-graph "+ |
| 428 | "measurement ignored due to excess in "+ |
| 429 | "threshold or premature iteration") |
| 430 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 431 | # ******************** |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 432 | time.sleep(5) |
| 433 | |
| 434 | # Get device id to remove |
| 435 | deviceIdJsonStr = main.ONOS1cli.devices() |
| 436 | |
| 437 | main.log.info( "Device obj obtained: " + str(deviceIdJsonStr) ) |
| 438 | deviceId = json.loads(deviceIdJsonStr) |
| 439 | |
| 440 | deviceList = [] |
| 441 | for device in deviceId: |
| 442 | deviceList.append(device['id']) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 443 | |
| 444 | # TODO: Measure switch down metrics |
| 445 | # TCP FIN/ACK -> TCP FIN |
| 446 | # TCP FIN -> Device Event |
| 447 | # Device Event -> Graph Event |
| 448 | |
| 449 | # Capture switch down FIN / ACK packets |
| 450 | |
| 451 | main.ONOS1.tsharkGrep( tsharkFinAckSequence, tsharkFinAckOutput, |
| 452 | grepOptions = '-A 1' ) |
| 453 | |
| 454 | time.sleep( 5 ) |
| 455 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 456 | main.step('Remove switch from controller') |
| 457 | main.Mininet1.deleteSwController('s3') |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 458 | #firstDevice = deviceList[0] |
| 459 | firstDevice = "of:0000000000000003" |
| 460 | main.log.info( "Removing device " +str(firstDevice)+ |
| 461 | " from ONOS" ) |
| 462 | #if deviceId: |
| 463 | main.ONOS1cli.deviceRemove(firstDevice) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 464 | |
| 465 | time.sleep( 5 ) |
| 466 | main.ONOS1.tsharkStop() |
| 467 | |
| 468 | main.log.info('Copying over tshark files') |
| 469 | os.system('scp ' + ONOSUser + '@' + nodeIpList[0] + |
| 470 | ':' + tsharkFinAckOutput + ' /tmp/') |
| 471 | |
| 472 | time.sleep( 10 ) |
| 473 | finAckOutputList = [] |
| 474 | with open(tsharkFinAckOutput, 'r') as f: |
| 475 | tempLine = f.readlines() |
| 476 | main.log.info('Object read in from FinAck capture: ' + |
| 477 | str(tempLine)) |
| 478 | |
| 479 | index = 1 |
| 480 | for line in tempLine: |
| 481 | obj = line.split(' ') |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 482 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 483 | if len(obj) > 1: |
| 484 | if index == 1: |
| 485 | tFinAck = float(obj[1]) * 1000.0 |
| 486 | print "*** fin ack time :"+str(tFinAck) |
| 487 | elif index == 3: |
| 488 | tAck = float(obj[1]) * 1000.0 |
| 489 | print "*** Ack time: "+str(tAck) |
| 490 | else: |
| 491 | main.log.error('Tshark output file for OFP' + |
| 492 | ' returned unexpected results') |
| 493 | tFinAck = 0 |
| 494 | tAck = 0 |
| 495 | assertion = main.FALSE |
| 496 | |
| 497 | index = index+1 |
| 498 | |
| 499 | # with open() as f takes care of closing file |
| 500 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 501 | time.sleep(5) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 502 | |
| 503 | for node in range(0, clusterCount): |
| 504 | nodeNum = node+1 |
| 505 | metricsSwDown = CLIs[node].topologyEventsMetrics |
| 506 | jsonStr = metricsSwDown() |
| 507 | jsonObj = json.loads(jsonStr) |
| 508 | if jsonObj: |
| 509 | graphTimestamp = jsonObj[graphTimestampKey]['value'] |
| 510 | deviceTimestamp = jsonObj[deviceTimestampKey]['value'] |
| 511 | main.log.info("Graph timestamp: "+str(graphTimestamp)) |
| 512 | main.log.info("Device timestamp: "+str(deviceTimestamp)) |
| 513 | else: |
| 514 | main.log.error( "Unexpected JSON object" ) |
| 515 | # If we could not obtain the JSON object, |
| 516 | # set the timestamps to 0, which will be |
| 517 | # excluded from the measurement later on |
| 518 | # (realized as invalid) |
| 519 | graphTimestamp = 0 |
| 520 | deviceTimestamp = 0 |
| 521 | |
| 522 | finAckTransaction = int(tAck) - int(tFinAck) |
| 523 | ackToDevice = int(deviceTimestamp) - int(tAck) |
| 524 | deviceToGraph = int(graphTimestamp) - int(deviceTimestamp) |
| 525 | |
| 526 | if finAckTransaction > thresholdMin and\ |
| 527 | finAckTransaction < thresholdMax and i >= iterIgnore: |
| 528 | finAckTransactionLatNodeIter[node][i] = finAckTransaction |
| 529 | main.log.info("ONOS "+str(nodeNum)+ |
| 530 | " fin/ack transaction: "+ |
| 531 | str(finAckTransaction) + " ms") |
| 532 | else: |
| 533 | main.log.info("ONOS "+str(nodeNum)+ |
| 534 | " fin/ack transaction "+ |
| 535 | "measurement ignored due to excess in "+ |
| 536 | "threshold or premature iteration") |
| 537 | |
| 538 | if ackToDevice > thresholdMin and\ |
| 539 | ackToDevice < thresholdMax and i >= iterIgnore: |
| 540 | ackToDeviceLatNodeIter[node][i] = ackToDevice |
| 541 | main.log.info("ONOS "+str(nodeNum)+ |
| 542 | " ack-to-device: "+ |
| 543 | str(ackToDevice) + " ms") |
| 544 | else: |
| 545 | main.log.info("ONOS "+str(nodeNum)+ |
| 546 | " ack-to-device "+ |
| 547 | "measurement ignored due to excess in "+ |
| 548 | "threshold or premature iteration") |
| 549 | |
| 550 | if deviceToGraph > thresholdMin and\ |
| 551 | deviceToGraph < thresholdMax and i >= iterIgnore: |
| 552 | deviceToGraphDiscLatNodeIter[node][i] = deviceToGraph |
| 553 | main.log.info("ONOS "+str(nodeNum)+ |
| 554 | " device-to-graph disconnect: "+ |
| 555 | str(deviceToGraph) + " ms") |
| 556 | else: |
| 557 | main.log.info("ONOS "+str(nodeNum)+ |
| 558 | " device-to-graph disconnect "+ |
| 559 | "measurement ignored due to excess in "+ |
| 560 | "threshold or premature iteration") |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 561 | |
| 562 | endToEndAvg = 0 |
| 563 | ofpToGraphAvg = 0 |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 564 | dbCmdList = [] |
| 565 | for node in range(0, clusterCount): |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 566 | # List of latency for each node |
| 567 | endToEndList = [] |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 568 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 569 | tcpToFeatureList = [] |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 570 | featureToRoleList = [] |
| 571 | roleToOfpList = [] |
| 572 | ofpToDeviceList = [] |
| 573 | deviceToGraphList = [] |
| 574 | finAckTransactionList = [] |
| 575 | ackToDeviceList = [] |
| 576 | deviceToGraphDiscList = [] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 577 | |
| 578 | # LatNodeIter 2d arrays contain all iteration latency |
| 579 | # for each node of the current scale cluster size |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 580 | |
| 581 | # Switch connection measurements |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 582 | for item in endToEndLatNodeIter[node]: |
| 583 | if item > 0.0: |
| 584 | endToEndList.append(item) |
| 585 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 586 | for item in tcpToFeatureLatNodeIter[node]: |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 587 | if item > 0.0: |
| 588 | tcpToFeatureList.append(item) |
| 589 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 590 | for item in featureToRoleRequestLatNodeIter[node]: |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 591 | if item > 0.0: |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 592 | featureToRoleList.append(item) |
| 593 | |
| 594 | for item in roleRequestToRoleReplyLatNodeIter[node]: |
| 595 | if item > 0.0: |
| 596 | roleToOfpList.append(item) |
| 597 | |
| 598 | for item in roleReplyToDeviceLatNodeIter[node]: |
| 599 | if item > 0.0: |
| 600 | ofpToDeviceList.append(item) |
| 601 | |
| 602 | for item in deviceToGraphLatNodeIter[node]: |
| 603 | if item > 0.0: |
| 604 | deviceToGraphList.append(item) |
| 605 | |
| 606 | # Switch disconnect measurements |
| 607 | for item in finAckTransactionLatNodeIter[node]: |
| 608 | if item > 0.0: |
| 609 | finAckTransactionList.append(item) |
| 610 | |
| 611 | for item in ackToDeviceLatNodeIter[node]: |
| 612 | if item > 0.0: |
| 613 | ackToDeviceList.append(item) |
| 614 | |
| 615 | for item in deviceToGraphDiscLatNodeIter[node]: |
| 616 | if item > 0.0: |
| 617 | deviceToGraphDiscList.append(item) |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 618 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 619 | endToEndAvg = round(numpy.mean(endToEndList), 2) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 620 | endToEndStdDev = round(numpy.std(endToEndList), 2) |
| 621 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 622 | tcpToFeatureAvg = round(numpy.mean(tcpToFeatureList), 2) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 623 | tcpToFeatureStdDev = round(numpy.std(tcpToFeatureList), 2) |
| 624 | |
| 625 | featureToRoleAvg = round(numpy.mean(featureToRoleList), 2) |
| 626 | featureToRoleStdDev = round(numpy.std(featureToRoleList), 2) |
| 627 | |
| 628 | roleToOfpAvg = round(numpy.mean(roleToOfpList), 2) |
| 629 | roleToOfpStdDev = round(numpy.std(roleToOfpList), 2) |
| 630 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 631 | ofpToDeviceAvg = round(numpy.mean(ofpToDeviceList), 2) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 632 | ofpToDeviceStdDev = round(numpy.std(ofpToDeviceList), 2) |
| 633 | |
| 634 | deviceToGraphAvg = round(numpy.mean(deviceToGraphList), 2) |
| 635 | deviceToGraphStdDev = round(numpy.std(deviceToGraphList), 2) |
| 636 | |
| 637 | finAckAvg = round(numpy.mean(finAckTransactionList), 2) |
| 638 | finAckStdDev = round(numpy.std(finAckTransactionList), 2) |
| 639 | |
| 640 | ackToDeviceAvg = round(numpy.mean(ackToDeviceList), 2) |
| 641 | ackToDeviceStdDev = round(numpy.std(ackToDeviceList), 2) |
| 642 | |
| 643 | deviceToGraphDiscAvg = round(numpy.mean(deviceToGraphDiscList), 2) |
| 644 | deviceToGraphDiscStdDev = round(numpy.std(deviceToGraphDiscList), 2) |
| 645 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 646 | main.log.report(' - Node ' + str(node + 1) + ' Summary - ') |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 647 | main.log.report(' - Switch Connection Statistics - ') |
| 648 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 649 | main.log.report(' End-to-end Avg: ' + str(endToEndAvg) + |
| 650 | ' ms' + ' End-to-end Std dev: ' + |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 651 | str(endToEndStdDev) + ' ms') |
| 652 | |
| 653 | main.log.report(' Tcp-to-feature-reply Avg: ' + |
| 654 | str(tcpToFeatureAvg) + ' ms') |
| 655 | main.log.report(' Tcp-to-feature-reply Std dev: '+ |
| 656 | str(tcpToFeatureStdDev) + ' ms') |
| 657 | |
| 658 | main.log.report(' Feature-reply-to-role-request Avg: ' + |
| 659 | str(featureToRoleAvg) + ' ms') |
| 660 | main.log.report(' Feature-reply-to-role-request Std Dev: ' + |
| 661 | str(featureToRoleStdDev) + ' ms') |
| 662 | |
| 663 | main.log.report(' Role-request-to-role-reply Avg: ' + |
| 664 | str(roleToOfpAvg) +' ms') |
| 665 | main.log.report(' Role-request-to-role-reply Std dev: ' + |
| 666 | str(roleToOfpStdDev) + ' ms') |
| 667 | |
| 668 | main.log.report(' Role-reply-to-device Avg: ' + |
| 669 | str(ofpToDeviceAvg) +' ms') |
| 670 | main.log.report(' Role-reply-to-device Std dev: ' + |
| 671 | str(ofpToDeviceStdDev) + ' ms') |
| 672 | |
| 673 | main.log.report(' Device-to-graph Avg: ' + |
| 674 | str(deviceToGraphAvg) + ' ms') |
| 675 | main.log.report( 'Device-to-graph Std dev: ' + |
| 676 | str(deviceToGraphStdDev) + ' ms') |
| 677 | |
| 678 | main.log.report(' - Switch Disconnection Statistics - ') |
| 679 | main.log.report(' Fin/Ack-to-Ack Avg: ' + str(finAckAvg) + ' ms') |
| 680 | main.log.report(' Fin/Ack-to-Ack Std dev: ' + |
| 681 | str(finAckStdDev) + ' ms') |
| 682 | |
| 683 | main.log.report(' Ack-to-device Avg: ' + str(ackToDeviceAvg) + |
| 684 | ' ms') |
| 685 | main.log.report(' Ack-to-device Std dev: ' + str(ackToDeviceStdDev) + |
| 686 | ' ms') |
| 687 | |
| 688 | main.log.report(' Device-to-graph (disconnect) Avg: ' + |
| 689 | str(deviceToGraphDiscAvg) + ' ms') |
| 690 | main.log.report(' Device-to-graph (disconnect) Std dev: ' + |
| 691 | str(deviceToGraphDiscStdDev) + ' ms') |
| 692 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 693 | dbCmdList.append( |
| 694 | "INSERT INTO switch_latency_tests VALUES('" + |
| 695 | timeToPost + "','switch_latency_results'," + |
| 696 | runNum + ',' + str(clusterCount) + ",'baremetal" + |
| 697 | str(node + 1) + "'," + str(endToEndAvg) + ',' + |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 698 | str(endToEndStdDev) + ',0,0);') |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 699 | |
| 700 | if debugMode == 'on': |
| 701 | main.ONOS1.cpLogsToDir('/opt/onos/log/karaf.log', |
| 702 | '/tmp/', copyFileName='sw_lat_karaf') |
| 703 | fResult = open(resultPath, 'a') |
| 704 | for line in dbCmdList: |
| 705 | if line: |
| 706 | fResult.write(line + '\n') |
| 707 | |
| 708 | fResult.close() |
| 709 | assertion = main.TRUE |
| 710 | utilities.assert_equals(expect=main.TRUE, actual=assertion, |
| 711 | onpass='Switch latency test successful', |
| 712 | onfail='Switch latency test failed') |
| 713 | |
| 714 | def CASE3(self, main): |
| 715 | """ |
| 716 | Bring port up / down and measure latency. |
| 717 | Port enable / disable is simulated by ifconfig up / down |
| 718 | |
| 719 | In ONOS-next, we must ensure that the port we are |
| 720 | manipulating is connected to another switch with a valid |
| 721 | connection. Otherwise, graph view will not be updated. |
| 722 | """ |
| 723 | global timeToPost |
| 724 | import time |
| 725 | import subprocess |
| 726 | import os |
| 727 | import requests |
| 728 | import json |
| 729 | import numpy |
| 730 | ONOS1Ip = main.params['CTRL']['ip1'] |
| 731 | ONOS2Ip = main.params['CTRL']['ip2'] |
| 732 | ONOS3Ip = main.params['CTRL']['ip3'] |
| 733 | ONOSUser = main.params['CTRL']['user'] |
| 734 | defaultSwPort = main.params['CTRL']['port1'] |
| 735 | assertion = main.TRUE |
| 736 | numIter = main.params['TEST']['numIter'] |
| 737 | iterIgnore = int(main.params['TEST']['iterIgnore']) |
| 738 | deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| 739 | graphTimestamp = main.params['JSON']['graphTimestamp'] |
| 740 | linkTimestamp = main.params['JSON']['linkTimestamp'] |
| 741 | |
| 742 | tsharkPortUp = '/tmp/tshark_port_up.txt' |
| 743 | tsharkPortDown = '/tmp/tshark_port_down.txt' |
| 744 | tsharkPortStatus = main.params[ 'TSHARK' ][ 'ofpPortStatus' ] |
| 745 | |
| 746 | debugMode = main.params['TEST']['debugMode'] |
| 747 | postToDB = main.params['DB']['postToDB'] |
| 748 | resultPath = main.params['DB']['portEventResultPath'] |
| 749 | timeToPost = time.strftime('%Y-%m-%d %H:%M:%S') |
| 750 | localTime = time.strftime('%x %X') |
| 751 | localTime = localTime.replace('/', '') |
| 752 | localTime = localTime.replace(' ', '_') |
| 753 | localTime = localTime.replace(':', '') |
| 754 | |
| 755 | if debugMode == 'on': |
| 756 | main.ONOS1.tsharkPcap('eth0', '/tmp/port_lat_pcap_' + localTime) |
| 757 | |
| 758 | upThresholdStr = main.params['TEST']['portUpThreshold'] |
| 759 | downThresholdStr = main.params['TEST']['portDownThreshold'] |
| 760 | upThresholdObj = upThresholdStr.split(',') |
| 761 | downThresholdObj = downThresholdStr.split(',') |
| 762 | upThresholdMin = int(upThresholdObj[0]) |
| 763 | upThresholdMax = int(upThresholdObj[1]) |
| 764 | downThresholdMin = int(downThresholdObj[0]) |
| 765 | downThresholdMax = int(downThresholdObj[1]) |
| 766 | |
| 767 | interfaceConfig = 's1-eth1' |
| 768 | main.log.report('Port enable / disable latency') |
| 769 | main.log.report('Simulated by ifconfig up / down') |
| 770 | main.log.report('Total iterations of test: ' + str(numIter)) |
| 771 | main.step('Assign switches s1 and s2 to controller 1') |
| 772 | |
| 773 | main.Mininet1.assignSwController(sw='1', |
| 774 | ip1=ONOS1Ip, port1=defaultSwPort) |
| 775 | main.Mininet1.assignSwController(sw='2', |
| 776 | ip1=ONOS1Ip, port1=defaultSwPort) |
| 777 | |
| 778 | time.sleep(15) |
| 779 | |
| 780 | portUpDeviceToOfpList = [] |
| 781 | portUpGraphToOfpList = [] |
| 782 | portDownDeviceToOfpList = [] |
| 783 | portDownGraphToOfpList = [] |
| 784 | |
| 785 | portUpDevNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 786 | portUpGraphNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 787 | portUpLinkLatNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 788 | portDownDevNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 789 | portDownGraphNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 790 | portDownLinkNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 791 | portUpLinkNodeIter = numpy.zeros((clusterCount, int(numIter))) |
| 792 | |
| 793 | for i in range(0, int(numIter)): |
| 794 | main.step('Starting wireshark capture for port status down') |
| 795 | main.ONOS1.tsharkGrep(tsharkPortStatus, tsharkPortDown) |
| 796 | time.sleep(5) |
| 797 | main.step('Disable port: ' + interfaceConfig) |
| 798 | main.Mininet1.handle.sendline('sh ifconfig ' + |
| 799 | interfaceConfig + ' down') |
| 800 | main.Mininet1.handle.expect('mininet>') |
| 801 | time.sleep(3) |
| 802 | main.ONOS1.tsharkStop() |
| 803 | os.system('scp ' + ONOSUser + '@' + ONOS1Ip + ':' + |
| 804 | tsharkPortDown + ' /tmp/') |
| 805 | fPortDown = open(tsharkPortDown, 'r') |
| 806 | fLine = fPortDown.readline() |
| 807 | objDown = fLine.split(' ') |
| 808 | if len(fLine) > 0: |
| 809 | timestampBeginPtDown = int(float(objDown[1]) * 1000) |
| 810 | if timestampBeginPtDown < 1400000000000: |
| 811 | timestampBeginPtDown = int(float(objDown[2]) * 1000) |
| 812 | main.log.info('Port down begin timestamp: ' + |
| 813 | str(timestampBeginPtDown)) |
| 814 | else: |
| 815 | main.log.info('Tshark output file returned unexpected' + |
| 816 | ' results: ' + str(objDown)) |
| 817 | timestampBeginPtDown = 0 |
| 818 | fPortDown.close() |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 819 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 820 | for node in range(0, clusterCount): |
| 821 | nodeNum = node+1 |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 822 | metricsDown = CLIs[node].topologyEventsMetrics |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 823 | jsonStrDown = metricsDown() |
| 824 | jsonObj = json.loads(jsonStrDown) |
| 825 | |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 826 | if jsonObj: |
| 827 | graphTimestamp = jsonObj[graphTimestamp]['value'] |
| 828 | deviceTimestamp = jsonObj[deviceTimestamp]['value'] |
| 829 | linkTimestamp = jsonObj[linkTimestamp]['value'] |
| 830 | else: |
| 831 | main.log.error( "Unexpected json object" ) |
| 832 | graphTimestamp = 0 |
| 833 | deviceTimestamp = 0 |
| 834 | linkTimestamp = 0 |
| 835 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 836 | ptDownGraphToOfp = int(graphTimestamp) - int(timestampBeginPtDown) |
| 837 | ptDownDeviceToOfp = int(deviceTimestamp) - int(timestampBeginPtDown) |
| 838 | ptDownLinkToOfp = int(linkTimestamp) - int(timestampBeginPtDown) |
| 839 | |
| 840 | if ptDownGraphToOfp > downThresholdMin and\ |
| 841 | ptDownGraphToOfp < downThresholdMax and i > iterIgnore: |
| 842 | portDownGraphNodeIter[node][i] = ptDownGraphToOfp |
| 843 | main.log.info("ONOS "+str(nodeNum)+ |
| 844 | " port down graph-to-ofp: "+ |
| 845 | str(ptDownGraphToOfp) + " ms") |
| 846 | else: |
| 847 | main.log.info("ONOS "+str(nodeNum)+ |
| 848 | " port down graph-to-ofp ignored"+ |
| 849 | " due to excess in threshold or premature iteration") |
| 850 | |
| 851 | if ptDownDeviceToOfp > downThresholdMin and\ |
| 852 | ptDownDeviceToOfp < downThresholdMax and i > iterIgnore: |
| 853 | portDownDeviceNodeIter[node][i] = ptDownDeviceToOfp |
| 854 | main.log.info("ONOS "+str(nodeNum)+ |
| 855 | " port down device-to-ofp: "+ |
| 856 | str(ptDownDeviceToOfp) + " ms") |
| 857 | else: |
| 858 | main.log.info("ONOS "+str(nodeNum)+ |
| 859 | " port down device-to-ofp ignored"+ |
| 860 | " due to excess in threshold or premature iteration") |
| 861 | |
| 862 | if ptDownLinkToOfp > downThresholdMin and\ |
| 863 | ptDownLinkToOfp < downThresholdMax and i > iterIgnore: |
| 864 | portDownLinkNodeIter[node][i] = ptDownLinkToOfp |
| 865 | main.log.info("ONOS "+str(nodeNum)+ |
| 866 | " port down link-to-ofp: "+ |
| 867 | str(ptDownLinkToOfp) + " ms") |
| 868 | else: |
| 869 | main.log.info("ONOS "+str(nodeNum)+ |
| 870 | " port down link-to-ofp ignored"+ |
| 871 | " due to excess in threshold or premature iteration") |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 872 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 873 | time.sleep(3) |
| 874 | |
| 875 | main.step('Starting wireshark capture for port status up') |
| 876 | main.ONOS1.tsharkGrep(tsharkPortStatus, tsharkPortUp) |
| 877 | |
| 878 | time.sleep(5) |
| 879 | main.step('Enable port and obtain timestamp') |
| 880 | main.Mininet1.handle.sendline('sh ifconfig ' + interfaceConfig + ' up') |
| 881 | main.Mininet1.handle.expect('mininet>') |
| 882 | |
| 883 | time.sleep(5) |
| 884 | main.ONOS1.tsharkStop() |
| 885 | |
| 886 | time.sleep(3) |
| 887 | os.system('scp ' + ONOSUser + '@' + |
| 888 | ONOS1Ip + ':' + tsharkPortUp + ' /tmp/') |
| 889 | |
| 890 | fPortUp = open(tsharkPortUp, 'r') |
| 891 | fLine = fPortUp.readline() |
| 892 | objUp = fLine.split(' ') |
| 893 | if len(fLine) > 0: |
| 894 | timestampBeginPtUp = int(float(objUp[1]) * 1000) |
| 895 | if timestampBeginPtUp < 1400000000000: |
| 896 | timestampBeginPtUp = int(float(objUp[2]) * 1000) |
| 897 | main.log.info('Port up begin timestamp: ' + str(timestampBeginPtUp)) |
| 898 | else: |
| 899 | main.log.info('Tshark output file returned unexpected' + ' results.') |
| 900 | timestampBeginPtUp = 0 |
| 901 | fPortUp.close() |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 902 | |
| 903 | for node in range(0, clusterCount): |
| 904 | nodeNum = node+1 |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 905 | metricsUp = CLIs[node].topologyEventsMetrics |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 906 | jsonStrUp = metricsUp() |
| 907 | jsonObj = json.loads(jsonStrUp) |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 908 | |
| 909 | if jsonObj: |
| 910 | graphTimestamp = jsonObj[graphTimestamp]['value'] |
| 911 | deviceTimestamp = jsonObj[deviceTimestamp]['value'] |
| 912 | linkTimestamp = jsonObj[linkTimestamp]['value'] |
| 913 | else: |
| 914 | main.log.error( "Unexpected json object" ) |
| 915 | graphTimestamp = 0 |
| 916 | deviceTimestamp = 0 |
| 917 | linkTimestamp = 0 |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 918 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 919 | ptUpGraphToOfp = int(graphTimestamp) - int(timestampBeginPtUp) |
| 920 | ptUpDeviceToOfp = int(deviceTimestamp) - int(timestampBeginPtUp) |
| 921 | ptUpLinkToOfp = int(linkTimestamp) - int(timestampBeginPtUp) |
| 922 | |
| 923 | if ptUpGraphToOfp > upThresholdMin and\ |
| 924 | ptUpGraphToOfp < upThresholdMax and i > iterIgnore: |
| 925 | portUpGraphNodeIter[node][i] = ptUpGraphToOfp |
| 926 | main.log.info("ONOS "+str(nodeNum)+ |
| 927 | " port up graph-to-ofp: "+ |
| 928 | str(ptUpGraphToOfp) + " ms") |
| 929 | else: |
| 930 | main.log.info("ONOS "+str(nodeNum)+ |
| 931 | " port up graph-to-ofp ignored"+ |
| 932 | " due to excess in threshold or premature iteration") |
| 933 | |
| 934 | if ptUpDeviceToOfp > upThresholdMin and\ |
| 935 | ptUpDeviceToOfp < upThresholdMax and i > iterIgnore: |
| 936 | portUpDeviceNodeIter[node][i] = ptUpDeviceToOfp |
| 937 | main.log.info("ONOS "+str(nodeNum)+ |
| 938 | " port up device-to-ofp: "+ |
| 939 | str(ptUpDeviceToOfp) + " ms") |
| 940 | else: |
| 941 | main.log.info("ONOS "+str(nodeNum)+ |
| 942 | " port up device-to-ofp ignored"+ |
| 943 | " due to excess in threshold or premature iteration") |
| 944 | |
| 945 | if ptUpLinkToOfp > upThresholdMin and\ |
| 946 | ptUpLinkToOfp < upThresholdMax and i > iterIgnore: |
| 947 | portUpLinkNodeIter[node][i] = ptUpLinkToOfp |
| 948 | main.log.info("ONOS "+str(nodeNum)+ |
| 949 | " port up link-to-ofp: "+ |
| 950 | str(ptUpLinkToOfp) + " ms") |
| 951 | else: |
| 952 | main.log.info("ONOS "+str(nodeNum)+ |
| 953 | " port up link-to-ofp ignored"+ |
| 954 | " due to excess in threshold or premature iteration") |
| 955 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 956 | dbCmdList = [] |
| 957 | for node in range(0, clusterCount): |
| 958 | portUpDevList = [] |
| 959 | portUpGraphList = [] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 960 | portUpLinkList = [] |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 961 | portDownDevList = [] |
| 962 | portDownGraphList = [] |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 963 | portDownLinkList = [] |
| 964 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 965 | portUpDevAvg = 0 |
| 966 | portUpGraphAvg = 0 |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 967 | portUpLinkAvg = 0 |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 968 | portDownDevAvg = 0 |
| 969 | portDownGraphAvg = 0 |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 970 | portDownLinkAvg = 0 |
| 971 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 972 | for item in portUpDevNodeIter[node]: |
| 973 | if item > 0.0: |
| 974 | portUpDevList.append(item) |
| 975 | |
| 976 | for item in portUpGraphNodeIter[node]: |
| 977 | if item > 0.0: |
| 978 | portUpGraphList.append(item) |
| 979 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 980 | for item in portUpLinkNodeIter[node]: |
| 981 | if item > 0.0: |
| 982 | portUpLinkList.append(item) |
| 983 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 984 | for item in portDownDevNodeIter[node]: |
| 985 | if item > 0.0: |
| 986 | portDownDevList.append(item) |
| 987 | |
| 988 | for item in portDownGraphNodeIter[node]: |
| 989 | if item > 0.0: |
| 990 | portDownGraphList.append(item) |
| 991 | |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 992 | for item in portDownLinkNodeIter[node]: |
| 993 | if item > 0.0: |
| 994 | portDownLinkList.append(item) |
| 995 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 996 | portUpDevAvg = round(numpy.mean(portUpDevList), 2) |
| 997 | portUpGraphAvg = round(numpy.mean(portUpGraphList), 2) |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 998 | portUpLinkAvg = round(numpy.mean(portUpLinkList), 2) |
| 999 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1000 | portDownDevAvg = round(numpy.mean(portDownDevList), 2) |
| 1001 | portDownGraphAvg = round(numpy.mean(portDownGraphList), 2) |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 1002 | portDownLinkAvg = round(numpy.mean(portDownLinkList), 2) |
| 1003 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1004 | portUpStdDev = round(numpy.std(portUpGraphList), 2) |
| 1005 | portDownStdDev = round(numpy.std(portDownGraphList), 2) |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 1006 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1007 | main.log.report(' - Node ' + str(node + 1) + ' Summary - ') |
| 1008 | main.log.report(' Port up ofp-to-device ' + |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 1009 | str(portUpDevAvg) + ' ms') |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1010 | main.log.report(' Port up ofp-to-graph ' + |
| 1011 | str(portUpGraphAvg) + ' ms') |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 1012 | main.log.report(' Port up ofp-to-link ' + |
| 1013 | str(portUpLinkAvg) + ' ms') |
| 1014 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1015 | main.log.report(' Port down ofp-to-device ' + |
| 1016 | str(round(portDownDevAvg, 2)) + ' ms') |
| 1017 | main.log.report(' Port down ofp-to-graph ' + |
| 1018 | str(portDownGraphAvg) + ' ms') |
jenkins | 8ba10ab | 2015-03-24 10:31:31 -0700 | [diff] [blame] | 1019 | main.log.report(' Port down ofp-to-link ' + |
| 1020 | str(portDownLinkAvg) + ' ms') |
| 1021 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1022 | dbCmdList.append("INSERT INTO port_latency_tests VALUES('" + |
| 1023 | timeToPost + "','port_latency_results'," + runNum + |
| 1024 | ',' + str(clusterCount) + ",'baremetal" + str(node + 1) + |
| 1025 | "'," + str(portUpGraphAvg) + ',' + str(portUpStdDev) + |
| 1026 | '' + str(portDownGraphAvg) + ',' + str(portDownStdDev) + ');') |
| 1027 | |
| 1028 | fResult = open(resultPath, 'a') |
| 1029 | for line in dbCmdList: |
| 1030 | if line: |
| 1031 | fResult.write(line + '\n') |
| 1032 | |
| 1033 | fResult.close() |
| 1034 | main.Mininet1.deleteSwController('s1') |
| 1035 | main.Mininet1.deleteSwController('s2') |
| 1036 | utilities.assert_equals(expect=main.TRUE, |
| 1037 | actual=assertion, |
| 1038 | onpass='Port discovery latency calculation successful', |
| 1039 | onfail='Port discovery test failed') |
| 1040 | |
| 1041 | def CASE4(self, main): |
| 1042 | """ |
| 1043 | Increase number of nodes and initiate CLI |
| 1044 | |
| 1045 | With the most recent implementation, we need a method to |
| 1046 | ensure all ONOS nodes are killed, as well as redefine |
| 1047 | the cell files to ensure all nodes that will be used |
| 1048 | is in the cell file. Otherwise, exceptions will |
| 1049 | prohibit test from running successfully. |
| 1050 | |
| 1051 | 3/12/15 |
| 1052 | |
| 1053 | """ |
| 1054 | global clusterCount |
| 1055 | import time |
| 1056 | import os |
| 1057 | |
| 1058 | clusterCount += 2 |
| 1059 | |
| 1060 | benchIp = main.params[ 'BENCH' ][ 'ip' ] |
| 1061 | features = main.params[ 'ENV' ][ 'cellFeatures' ] |
| 1062 | cellName = main.params[ 'ENV' ][ 'cellName' ] |
| 1063 | mininetIp = main.params[ 'MN' ][ 'ip1' ] |
| 1064 | |
| 1065 | main.log.report('Increasing cluster size to ' + str(clusterCount)) |
| 1066 | |
| 1067 | main.log.step( "Killing all ONOS processes before scale-out" ) |
| 1068 | |
| 1069 | for i in range( 1, 8 ): |
| 1070 | main.ONOSbench.onosDie( |
| 1071 | main.params[ 'CTRL' ][ 'ip'+str(i) ] ) |
| 1072 | main.ONOSbench.onosUninstall( |
| 1073 | main.params[ 'CTRL' ][ 'ip'+str(i) ] ) |
| 1074 | |
| 1075 | main.step( "Creating scale-out cell file" ) |
| 1076 | cellIp = [] |
| 1077 | for node in range( 1, clusterCount + 1 ): |
| 1078 | cellIp.append( main.params[ 'CTRL' ][ 'ip'+str(node) ] ) |
| 1079 | |
| 1080 | main.log.info( "Cell Ip list: " + str(cellIp) ) |
| 1081 | main.ONOSbench.createCellFile( benchIp, cellName, mininetIp, |
| 1082 | str(features), *cellIp ) |
| 1083 | |
| 1084 | main.step( "Setting cell definition" ) |
| 1085 | main.ONOSbench.setCell(cellName) |
| 1086 | |
| 1087 | main.step( "Packaging cell definition" ) |
| 1088 | main.ONOSbench.onosPackage() |
| 1089 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1090 | for node in range( 1, clusterCount + 1 ): |
jenkins | ac38ab7 | 2015-03-13 11:24:10 -0700 | [diff] [blame] | 1091 | main.ONOSbench.onosInstall( |
| 1092 | node = main.params[ 'CTRL' ][ 'ip'+str(node) ]) |
| 1093 | |
| 1094 | time.sleep( 20 ) |
| 1095 | |
jenkins | 7ead5a8 | 2015-03-13 10:28:21 -0700 | [diff] [blame] | 1096 | for node in range( 1, clusterCount + 1): |
| 1097 | for i in range( 2 ): |
| 1098 | isup = main.ONOSbench.isup( |
| 1099 | main.params[ 'CTRL' ][ 'ip'+str(node) ] ) |
| 1100 | if isup: |
| 1101 | main.log.info( "ONOS "+str(node) + " is up\n") |
| 1102 | break |
| 1103 | if not isup: |
| 1104 | main.log.error( "ONOS "+str(node) + " did not start" ) |
jenkins | ac38ab7 | 2015-03-13 11:24:10 -0700 | [diff] [blame] | 1105 | |
| 1106 | for node in range( 1, clusterCount + 1): |
jenkins | 3e5a391 | 2015-04-02 18:14:16 -0700 | [diff] [blame] | 1107 | CLIs[node-1].startOnosCli |
| 1108 | |
| 1109 | main.step( 'activating essential applications' ) |
| 1110 | CLIs[node-1].activateApp( 'org.onosproject.metrics' ) |
| 1111 | CLIs[node-1].activateApp( 'org.onosproject.openflow' ) |
jenkins | ac38ab7 | 2015-03-13 11:24:10 -0700 | [diff] [blame] | 1112 | |