Spirent TestCenter 自动化中文版教程（十）门道初探之Capture基础

set hCaptureFilter [stc::get $hCapture -children-capturefilter]#查看CaptureFilter对象的默认参数配置stc::get $hCaptureFilter#修改FCS为Includestc::config $hCaptureFilter -FcsError Includestc::apply

stc::create CaptureAnalyzerFilter -under $hCaptureFilter -IsSelected true -FilterDescription {IPv4 Header:Destination} -ValueToBeMatched {1.1.1.1} -FrameConfig {<frame><config><pdus><pdu name="eth1" pdu="ethernet:EthernetII"></pdu><pdu name="ip_1" pdu="ipv4:IPv4"><destAddr>1.1.1.1</destAddr></pdu></pdus></config></frame>}

#创建工程，占用端口source {C:\Program Files\Spirent Communications\Spirent TestCenter 5.42\Spirent TestCenter Application\SpirentTestCenter.tcl}#package require SpirentTestCenterset hProject [stc::create project]set hPortTx [stc::create port -under $hProject -location //10.61.32.98/7/13 -name PortTx]set hPortRx [stc::create port -under $hProject -location //10.61.32.98/7/14 -name PortRx ]stc::perform AttachPortsstc::apply
#构造流量set hStream1 [stc::create streamblock -under $hPortTx -Name crc_error -EnableFcsErrorInsertion true]set hStream2 [stc::create streamblock -under $hPortTx -Name traffic_noerror -EnableFcsErrorInsertion false ]set hIP [stc::get $hStream2 -children-ipv4:ipv4]set ipname [stc::get $hIP -name ]stc::create rangemodifier -under $hStream2 -ModifierMode INCR -Mask 255.255.255.255 -StepValue 0.0.0.1 -RecycleCount 5 -Data 1.1.1.1  -OffsetReference $ipname.destAddr -Active true
set hGenerator [stc::get $hPortTx -children-generator]set hgenCfg [stc::get $hGenerator -children-generatorconfig]stc::config $hgenCfg -SchedulingMode PORT_BASED -DurationMode BURSTS -Duration 30 -BurstSize 1
#获取Capture对象句柄set hCapture [stc::get $hPortRx -children-capture] #通过查询-CaptureState来判断抓包状态，READY表示空闲状态。puts "开始抓包前，查看抓包状态：[stc::get $hCapture -CaptureState]"#根据需要设置抓包参数stc::config $hCapture -mode REGULAR_MODE -srcMode TX_RX_MODE #开始抓包stc::perform CaptureStart -captureProxyId $hCapture#after 1000#再次查询，返回RUNNING，表示正在抓包。puts "启动抓包后，查看抓包状态：[stc::get $hCapture -CaptureState]"
stc::perform GeneratorStart -GeneratorList $hGeneratorafter 1000stc::perform GeneratorStop -GeneratorList $hGenerator#停止抓包stc::perform CaptureStop -captureProxyId $hCapture #保存报文stc::perform CaptureDataSave -captureProxyId $hCapture -FileName "C:/test/xml/capture1.pcap"#查看抓包数量puts "未设置过滤条件，抓到的报文个数:[stc::get $hCapture -PktCount] \t报文存放路径C:/test/xml/capture1.pcap \n"
set hCaptureFilter [stc::get $hCapture -children-capturefilter] #查看CaptureFilter对象的默认参数配置puts "配置前，查看CaptureFilter对象：[stc::get $hCaptureFilter]"#修改FCS为Includestc::config $hCaptureFilter -FcsError Includeputs "配置后，查看CaptureFilter对象：[stc::get $hCaptureFilter]"stc::applystc::perform CaptureStart -captureProxyId $hCapturestc::perform GeneratorStart -GeneratorList $hGeneratorafter 1000stc::perform GeneratorStop -GeneratorList $hGeneratorstc::perform CaptureStop -captureProxyId $hCapture #保存报文stc::perform CaptureDataSave -captureProxyId $hCapture -FileName "C:/test/xml/capture2.pcap"#查看抓包数量puts "设置过滤条件，匹配CRC错帧，抓到的报文个数:[stc::get $hCapture -PktCount] \t报文存放路径C:/test/xml/capture2.pcap \n"
stc::config $hCaptureFilter -FcsError Ignore#匹配目的地址1.1.1.1stc::create CaptureAnalyzerFilter -under $hCaptureFilter -IsSelected true -FilterDescription {IPv4 Header:Destination} -ValueToBeMatched {1.1.1.1} -FrameConfig {<frame><config><pdus><pdu name="eth1" pdu="ethernet:EthernetII"></pdu><pdu name="ip_1" pdu="ipv4:IPv4"><destAddr>1.1.1.1</destAddr></pdu></pdus></config></frame>}stc::applystc::perform CaptureStart -captureProxyId $hCapturestc::perform GeneratorStart -GeneratorList $hGeneratorafter 1000stc::perform GeneratorStop -GeneratorList $hGeneratorstc::perform CaptureStop -captureProxyId $hCapture #保存报文stc::perform CaptureDataSave -captureProxyId $hCapture -FileName "C:/test/xml/capture3.pcap"#查看抓包数量puts "设置过滤条件，匹配目的地址为1.1.1.1的报文，抓到的报文个数:[stc::get $hCapture -PktCount] \t报文存放路径C:/test/xml/capture3.pcap"
stc::perform SaveAsXml -filename "C:/test/xml/capture_cfg.xml"