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Orbit > Other Applications > ITG Scripts
Application Definition Schema
The application definition schema for the ITG application is as follows
<?xml version="1.0" encoding="UTF-8"?>
<orbit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="H:\Orbit\Oml\docs\definitions\application\app_def.xsd">
<application id="orbit_winlab_itg">
<name>ITG</name>
<id>ITG</id>
<version major="0" minor="1" revision="0"/>
<organization>
<name>WINLAB, Rutgers University</name>
<url>http://www.winlab.rutgers.edu/</url>
</organization>
<shortDescription>Receive network traffic</shortDescription>
<description>
Receive network traffic on the specified interface
</description>
<url>http://apps.orbit-lab.org/itg</url>
<properties>
<property>
<name>network_interface</name>
<mnemonic>i</mnemonic>
<type>xsd:string</type>
<dynamic>no</dynamic>
<description>Device name for sending network traffic</description>
</property>
<property>
<name>pipe name</name>
<mnemonic>p</mnemonic>
<type>xsd:string</type>
<dynamic>no</dynamic>
<description>iinterface for changing generator properties</description>
</property>
</properties>
<measurement-points>
<measurement-point id="decoderport">
<metric id="flow_no" type="int">
<description>id of the stream</description>
</metric>
<metric id="src_port" type="int">
<description>source port</description>
</metric>
<metric id="dst_port" type="int">
<description>Destination port</description>
</metric>
<metric id="throughput" type="float">
<description>Flow Throughput</description>
</metric>
<metric id="jitter" type ="float">
<description>Flow jitter</description>
</metric>
<metric id="delay" type="float">
<description>flow delay</description>
</metric>
<metric id="pkt_loss" type="float">
<description>Pkt loss for flow</description>
</metric>
</measurement-point>
</measurement-points>
<issueTrackingUrl>
http://apps.orbit-lab.org/issues/winlab/renny
</issueTrackingUrl>
<repository>
<development>scm:cvs:pserver:anoncvs@cvs.orbit-lab.org:/trafficgenerator/renny</development>
<binary>apt:repository.orbit-lab.org/orbit/binary:???</binary>
</repository>
<mailingLists/>
<developers>
<developer>
<name>John Doe</name>
<id>jdoe</id>
<email>jdoe@winlab.rutgers.edu</email>
<organization>
<name>WINLAB, Rutgers University</name>
</organization>
</developer>
</developers>
<dependencies>
<dependency>
<id>libmac</id>
<version>>= 0.4</version>
<url>apt:repository.orbit-lab.org/debian/binary:libmac</url>
</dependency>
</dependencies>
</application>
</orbit>
Application definition script for Iperf sender and Receiver
ITG Sender
#
# Create an application representation from scratch
#
require 'appDefinition'
a = AppDefinition.create('test:app:itgs')
a.name = "itgs"
a.version(0, 0, 1)
a.shortDescription = "D-ITG Sender"
a.description = <<TEXT
ITGSend is a traffic generator for TCP and UDP traffic. It contains generators producing various forms of packet streams and port for sending these packets via various transports, such as TCP and UDP.
TEXT
# addProperty(name, description, mnemonic, type, isDynamic = false, constraints = nil)
#Flow options
a.addProperty('m', 'Measurement type: either onewaydelay or RTT', ?m, String, false)
a.addProperty('a', 'Destination address', ?a, String, false)
a.addProperty('r', 'Remote port', ?r, Integer, false)
a.addProperty('T', 'Protocol type TCP or UDP', ?T, Integer, false)
a.addProperty('f', 'TTL',?f, Integer, false)
a.addProperty('d', 'Gen_Delay',?d, Integer, false)
a.addProperty('t', "Duration of traffic generation(millisecs)", ?t, Integer, false)
#Interdeparture time options
a.addProperty('C', 'Constant interdeparture time b/w packets (pkts_per_s)', ?C, Integer, false)
a.addProperty('E', '(Exponential) Average packets per sec', ?E, Integer, false)
a.addProperty('O', '(Poisson) Average pkts per sec', ?O, Integer, false)
#Note that Pareto, Cauchy, UNiform, Normal and Gamma distributions will # be added
#Log file options
a.addProperty('l', 'Log file', ?l, String, false)
#Packet size options
a.addProperty('c', 'Constant payload size', ?c, Integer, false)
a.addProperty('e', "Average pkt size (exponential)", ?e, Integer, false)
a.addProperty('o', "Poisson distributed avg. pkt size", ?o, Integer, false)
#Note that Pareto, Cauchy, UNiform, Normal and Gamma distributions will # be added
# Applications (note that no other interdeparture or packet size can be #chosen if an application is chosen
a.addProperty('App', 'VoIP traffic', ?Z, Integer, false)
a.addProperty('codec', 'VoIP codec: G.711.1, G.711.2, G.723.1, G.729.2, G.729.3', ?i, Integer, false)
a.addProperty('voip_control', 'protocol_type RTP or CRTP',?h, String, false)
a.addProperty('Telnet', 'Telnet traffic', nil, Integer, false)
a.addProperty('DNS', 'DNS traffic', nil, Integer, false)
a.path = "/usr/local/bin/ITGSend"
if $0 == __FILE__
require 'stringio'
require 'rexml/document'
include REXML
sio = StringIO.new()
a.to_xml.write(sio, 2)
sio.rewind
puts sio.read
sio.rewind
doc = Document.new(sio)
t = AppDefinition.from_xml(doc.root)
puts
puts "-------------------------"
puts
t.to_xml.write($stdout, 2)
end
ITG Receiver
#
# Create an application representation from scratch
#
require 'appDefinition'
a = AppDefinition.create('test:app:itgr')
a.name = "itgr"
a.version(0, 0, 1)
a.shortDescription = "D-ITG Receiver"
a.description = <<TEXT
D-ITG is a traffic generator for TCP and UDP traffic. It contains generators
producing various forms of packet streams and port for sending
these packets via various transports, such as TCP and UDP.
TEXT
# addProperty(name, description, mnemonic, type, isDynamic = false, constraints = nil)
#Flow options
a.addProperty('l', 'Log file', ?l, String, false)
a.path = "/usr/local/bin/ITGRecv"
if $0 == __FILE__
require 'stringio'
require 'rexml/document'
include REXML
sio = StringIO.new()
a.to_xml.write(sio, 2)
sio.rewind
puts sio.read
sio.rewind
doc = Document.new(sio)
t = AppDefinition.from_xml(doc.root)
puts
puts "-------------------------"
puts
t.to_xml.write($stdout, 2)
end
ITG Decoder
#
# Create an application representation from scratch
#
require 'appDefinition'
a = AppDefinition.create('test:app:itgdec')
a.name = "itgdec"
a.version(0, 0, 1)
a.shortDescription = "D-ITG Decoder"
a.description = <<TEXT
This program decodes the output of the experiment
TEXT
# addProperty(name, description, mnemonic, type, isDynamic = false, constraints = nil)
a.addProperty('logfile', 'Log file', ?x , String, false)
a.addProperty('d', 'Delay interval size (msec)', ?d, Integer, false)
a.addProperty('j', 'Jitter Interval size (msec)', ?j, Integer, false)
a.addProperty('b', 'Bitrate interval size (msec)', ?b, Integer, false)
a.addProperty('p', 'Packet loss interval size(msec)', ?p, Integer, false)
a.addMeasurement("decoderport", nil, [
['flow_no', 'int'],
['src_port', 'int'],
['dst_port', 'int'],
['throughput', Float],
['jitter', Float],
['delay', Float],
['pkt_loss', Float]
])
a.path = "/usr/local/bin/ITGDec"
if $0 == __FILE__
require 'stringio'
require 'rexml/document'
include REXML
sio = StringIO.new()
a.to_xml.write(sio, 2)
sio.rewind
puts sio.read
sio.rewind
doc = Document.new(sio)
t = AppDefinition.from_xml(doc.root)
puts
puts "-------------------------"
puts
t.to_xml.write($stdout, 2)
end
Sample prototype definitions script for ITG UDP CBR(sender and Receiver)
ITG CBR UDP Sender
#
# Define a prototype
#
require 'prototype'
require 'filter'
require 'appDefinition'
p = Prototype.create("test:proto:itgcbrsender")
p.name = "ITG Sender"
p.description = "Nodes which send a stream of packets"
p.defProperty('meter', 'one way delay or RTT', 'owdm')
p.defProperty('protocol', 'Protocol to use', 'udp')
p.defProperty('destinationHost', 'Host to send packets to')
p.defProperty('constsize', 'Size of packets', 1000)
p.defProperty('constrate', 'Number of bits per second', 1000)
p.defProperty('duration', 'Time for sending (millisec)', 1000)
p.defProperty('gen_delay', 'Generation delay (millisec)', 10000)
p.defProperty('recv_port', 'Receiver_port', 8000)
itgs = p.addApplication(:itgs, "test:app:itgs")
itgs.bindProperty('m','meter')
itgs.bindProperty('T','protocol')
itgs.bindProperty('a', 'destinationHost')
itgs.bindProperty('c', 'constsize')
itgs.bindProperty('C', 'constrate')
itgs.bindProperty('t', 'duration')
itgs.bindProperty('d', 'gen_delay')
itgs.bindProperty('r', 'recv_port')
if $0 == __FILE__
p.to_xml.write($stdout, 2)
puts
end
ITG CBR UDP Receiver
#
# Define a prototype
#
require 'prototype'
require 'filter'
require 'appDefinition'
p = Prototype.create("test:proto:itgreceiver")
p.name = "ITG Receiver"
p.description = "Nodes which receive packets"
p.defProperty('logfile', 'Logfile')
itgr = p.addApplication('itgr', "test:app:itgr")
itgr.bindProperty('l','logfile')
if $0 == __FILE__
p.to_xml.write($stdout, 2)
puts
end
ITG CBR UDP Decoder
#
# Define a prototype
#
require 'prototype'
require 'filter'
require 'appDefinition'
p = Prototype.create("test:proto:itgdecoder")
p.name = "ITG Decoder"
p.description = "Decodes output and prints results"
p.defProperty('logfile', 'Logfile')
p.defProperty('tput_report_interval', 'Report interval for throughput')
p.defProperty('delay_report_interval', 'Report interval for Delay')
p.defProperty('jitter_report_interval', 'Report interval for Jitter')
p.defProperty('loss_report_interval', 'Report interval for Packet loss')
itgd = p.addApplication('itgdec', "test:app:itgdec")
itgd.bindProperty('logfile')
itgd.bindProperty('d', 'delay_report_interval')
itgd.bindProperty('j', 'jitter_report_interval')
itgd.bindProperty('b', 'tput_report_interval')
itgd.bindProperty('p', 'loss_report_interval')
itgd.addMeasurement('decoderport', Filter::SAMPLE,
{Filter::SAMPLE_SIZE => 1},
[
['flow_no'],
['src_port'],
['dst_port'],
['throughput'],
['jitter'],
['delay'],
['pkt_loss']
]
)
if $0 == __FILE__
p.to_xml.write($stdout, 2)
puts
end
Experiment script for Iperf
UDP CBR Experiment
############# Tutorial1 ##################################
# This script defines the experiment
# that has two senders and one receiver using Iperf
# 802.11b
# UDP flow of 500 packet/sec of 1024 byte payload
# Decoder reports throughput, delay, packet loss and jitter ############################################################
Experiment.name = "tutorial-itg"
Experiment.project = "orbit:tutorial"
###########################################
# Receiver definition and configuration
##########################################
defNodes('receiver',[3,1]) {|node|
node.image = nil # assume the right image to be on disk
node.prototype("test:proto:itgreceiver", {
'logfile' => "/tmp/results.txt"
}
)
node.net.w0.ip = "%192.168.%x.%y"
node.net.w0.mode = "master"
node.net.w0.type = 'b'
node.net.w0.essid = "helloworld"
}
###########################################
# Decoder definition and configuration
##########################################
defNodes('decoder',[3,1]) {|node|
node.image = nil # assume the right image to be on disk
node.prototype("test:proto:itgdecoder", {
'logfile' => "/tmp/results.txt",
'tput_report_interval' => 1000,
'delay_report_interval' => 1000,
'loss_report_interval' => 1000,
'jitter_report_interval' => 1000
}
)
}
###########################################
# Sender definition and configuration
###########################################
defNodes('sender',[1,2]) {|node|
node.image = nil # assume the right image to be on disk
node.prototype("test:proto:itgcbrsender", {
'destinationHost' => '192.168.3.1',
'meter' => 'owdm', #One way delay
'protocol' => 'udp', #UDP client
'constsize' => 1024, #Const payload size (bytes)
'constrate' => 500, #packets per second
'duration' => 60000, #Expt duration (msec)
'recv_port' => 8000 #Receiver port
})
node.net.w0.ip = "%192.168.%x.%y"
node.net.w0.mode = "managed"
node.net.w0.type = 'b'
node.net.w0.essid = "helloworld"
}
###########################################
# Sender definition and configuration
###########################################
defNodes('sender',[2,2]) {|node|
node.image = nil # assume the right image to be on disk
# use prototype "sender"
# and set it's property "destinationHost" to
# the receiver node
# and bind the remaining properties to the
# experiment property space
node.prototype("test:proto:itgcbrsender", {
'destinationHost' => '192.168.3.1',
'meter' => 'owdm', #One way delay
'protocol' => 'udp', #UDP client
'constsize' => 1024, #Const payload size (bytes)
'constrate' => 500, #packets per second
'duration' => 60000, #Expt duration (msec)
'recv_port' => 8001 #Receiver port
})
node.net.w0.ip = "%192.168.%x.%y"
node.net.w0.mode = "managed"
node.net.w0.type = 'b'
node.net.w0.essid = "helloworld"
}
###########################################
# When nodeAgents have reported "OK" to
# the nodeHandler start the application
###########################################
whenAllInstalled {|node|
NodeSet['receiver'].startApplications
###Need to separate receiver and sender start
wait 15
###
NodeSet['sender'].startApplications
NodeSet['sender1'].startApplications
wait 60
###############################################
Launch the decoder application to report results
################################################
NodeSet['decoder'].startApplications
###########################################
# Shutdown nodes
###########################################
Experiment.done
}
VoIP Experiment
############# Tutorial2 ##################################
# This script defines the experiment
# that has one sender and one receiver and VoIP session
# Sender, Receiver - 802.11a channel 36
# Receiver reports throughput, packet loss, avg. delay and jitter
############################################################
Experiment.name = "tutorial-itg"
Experiment.project = "orbit:tutorial"
#
# Define nodes used in experiment
###########################################
# Receiver definition and configuration
##########################################
defNodes('receiver',[3,1]) {|node|
node.image = nil # assume the right image to be on disk
node.prototype("test:proto:itgreceiver", {
'logfile' => "/tmp/results.txt"
}
)
node.net.w0.ip = "%192.168.%x.%y"
node.net.w0.mode = "master"
node.net.w0.type = 'a'
node.net.w0.essid = "helloworld"
}
###########################################
# Decoder definition and configuration
##########################################
defNodes('decoder',[3,1]) {|node|
node.image = nil # assume the right image to be on disk
node.prototype("test:proto:itgdecoder", {
'logfile' => "/tmp/results.txt",
'tput_report_interval' => 1000,
'delay_report_interval' => 1000,
'loss_report_interval' => 1000,
'jitter_report_interval' => 1000
}
)}
###########################################
# Sender definition and configuration
###########################################
defNodes('sender',[2,2]) {|node|
node.image = nil # assume the right image to be on disk
node.prototype("test:proto:itgvoipsender", {
'destinationHost' => '192.168.3.1',
'meter' => 'owdm', #One way delay
'duration' => 20000, #Run for 20 seconds
'recv_port' => 8000, #Recv port
'App' => 'VoIP', #Use VoIP
'codec' => 'G.711.1', #Codec type
'voip_control' => 'RTP' #VoIP control
})
node.net.w0.ip = "%192.168.%x.%y"
node.net.w0.mode = "managed"
node.net.w0.type = 'a'
node.net.w0.essid = "helloworld"
}
###########################################
# When nodeAgents have reported "OK" to
# the nodeHandler start the application
###########################################
whenAllInstalled {|node|
NodeSet['receiver'].startApplications
###Need to separate receiver and sender start
wait 15
###
NodeSet['sender'].startApplications
wait 60
###############################################
Launch the decoder application to report results
################################################
NodeSet['decoder'].startApplications
###########################################
# Shutdown nodes
###########################################
Experiment.done
}
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