############# Tutorial1 ################################## # This script defines the experiment # that has one sender and one receiver # Sender, Receiver - 802.11a channel 36 # UDP flow at 1 Mbps # Receiver reports throughput, jitter and packet loss per second # Iperf traffic generator ############################################################

require 'net/http' require 'uri'

Experiment.name = "iperf-udp" Experiment.project = "orbit:tutorial"

# # Define nodes used in experiment # ########################################### # Sender definition and configuration ########################################### defNodes('sender', [1,1]) {|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:iperfudpsender", {

'client' ⇒ '192.168.1.2', #Send to 'use_udp' ⇒ nil, #UDP client 'sender_rate' ⇒ 7000, #Input offered load (bits per sec) 'len' ⇒ 1024 #Payload length (bytes)

}) node.net.w0.ip = "%192.168.%x.%y" node.net.w0.mode = "Managed" node.net.w0.type = 'b' node.net.w0.essid = "cwmin"

} ########################################### # Receiver definition and configuration ###########################################

defNodes('receiver', [1,2]) {|node|

node.net.w0.ip = "%192.168.%x.%y" node.image = nil # assume the right image to be on disk node.prototype("test:proto:iperfudpreceiver" , { 'server' ⇒ nil, # Server 'use_udp' ⇒ nil, # Use UDP 'len' ⇒ 1024, #Payload length (bytes) 'report_interval' ⇒ 10 #Report interval(seconds) }) node.net.w0.mode = "Master" node.net.w0.type = 'b' node.net.w0.essid = "cwmin"

}

########################################### # When nodeAgents have reported "OK" to # the nodeHandler start the application ########################################### whenAllInstalled() {|node|

wait 10 nodes('receiver').startApplications

wait 10 nodes('sender').startApplications wait 30

allNodes.stopApplications

Experiment.done

}