Spirent TestCenter 自动化测试-3 创建Streamblock

下面这段代码创建了StreamBlock01，StreamBlock01有100条flow，源IP从100.1.2.3递增100，目的IP地址为200.1.2.3；UPD源端口为1024，目的端口为1025；PDU为1234ABCD递增100；

 

set StreamBlock1 [stc::create "StreamBlock"  -under $portTx\

                                                                       -name "streamblock01"\  

                                                                       -instertSig True\    

                                                                       -FrameConfig ""\

                                                                       -FrameLengthMode FIXED \

                                                                       -FixedFrameLength 512 \

                                                                       -Load 100 \

                                                                       -LoadUnit "FRAMES_PER_SECOND" ]

 

# insertSig ：是否插入Spirent signature；TRUE为插入signature，测试仪可以对此条流追终；FALSE，不插入signature；

#FrameConfig ：以xml格式配置frame header，这里我们没有使用此方式配置流；

#FrameLengthMode ：帧长的模式；FIXED ，使用固定帧长；INCR，帧长递增；DECR，帧长递减；RANDOM，随机帧

#                                       长；AUTO，自动帧长；

#FixedFrameLength ：当帧长模式为FIXED时，此值为帧长，默认为128；

#LoadUnit：PERCENT_LINE_RATE,以percentage of line rate配置发包速率；

#                     FRAMES_PER_SECOND,以frames per second方式配置速率；

#                     INTER_BURST_GAP,调整帧间隙长度配置发包速率；

#                      BITS_PER_SECOND,以bits per second配置发包速率；

#                     KILOBITS_PER_SECOND,以kilobits per second配置发包速率；

#                     MEGABITS_PER_SECOND,以megabits per second配置发包速率；

# Load ：依据LoadUnit配置发包速率；

 

set strEthII [stc::create ethernet:EthernetII -under $StreamBlock1 \

                                                                     -name "ethHeader"  ]

#添加ETH头

 

set strIPv4 [stc::create ipv4:IPv4 -under $StreamBlock1 \

                                                      -name "ipv4Header" \

                                                       -sourceAddr 100.1.2.3 \

                                                        -destAddr 200.1.2.3 ]

#添加IPv4头；sourceAddr配置源IP，destAddr配置目的IP

 

set strUDP [stc::create udp:UDP -under $StreamBlock1 \

                                                     -name "UDPHeader" \

                                                     -sourcePort 1024 \

                                                     -destPort 1025   ]

#添加UDP头；sourcePort配置源端口，destPort配置目的端口

 

set strCustom [stc::create custom:Custom -under $StreamBlock1 \

                                                                     -name "customPDU" \

                                                                      -Pattern {1234ABCD}]

 #添加载荷字段，内容为1234ABCD；

                        

set RangeModifyIpv4 [stc::create RangeModifier -under $StreamBlock1 \

                                                                               -ModifierMode INCR \

                                                                               -OffsetReference ipv4header.sourceAddr \

                                                                               -Mask 0.0.0.255 \

                                                                               -StepValue 0.0.0.1 \

                                                                               -Data 100.1.2.3 \

                                                                               -RecycleCount 100 \

                                                                               -RepeatCount 0 \

                                                                               -EnableStream false \

                                                                               -Active true ]

#通过RangeModifier配置Stream Block的值变化范围；

# ModifierMode，配置递进的模式，INCR，递增，DECR，递减；

#OffsetReference，Stream Block中配置修改的字段，这里是源ip；

#Mask ，修改字段的byte位，掩码必须与修改的数据字段长度相同；

#StepValue，每次递进的步长；

#RecycleCount ，配置修改数据步进的次数；

#RepertCount ，配置重复次数；

#EnableStream :是否追踪每一条flow，Ture，测试结果重追踪每条flow，false，测试结果不追中每条flow；

#Active，配置StreamBlock使能，true，此streamblock使能，false，此streamblock去使能；

 

set RangeModifyIPDU [stc::create RangeModifier -under $StreamBlock1 \

                                                                               -ModifierMode INCR \

                                                                               -OffsetReference CustomPDU.pattern \

                                                                               -Mask {0000FFFF} \

                                                                               -StepValue {00000001} \

                                                                               -Data {1234ABCD}\

                                                                               -RecycleCount 100 \

                                                                               -RepeatCount 0 \

                                                                               -EnableStream false \

                                                                               -Active true ]

 

 

下面这段代码创建了StreamBlock02，帧长递增变化最小帧长为158，每次递增1；

 

set StreamBlock2 [stc::create "StreamBlock"  -under $portTx\

                                                                       -name "streamblock02"\  

                                                                       -instertSig True\    

                                                                       -FrameConfig ""\

                                                                       -FrameLengthMode INCR \

                                                                       -StepFrameLength 1 \

                                                                       -MaxFrameLength 16000 \

                                                                       -MinFrameLength 158 ]

#FrameLengthMode ，帧长使用递增模式，INCR；

#StepFrameLength，帧长递增步长，这里是1；

#MaxFrameLength，最大帧长 16000；

#MinFrameLength，最小帧长158；