GIMIv2tasks/TestCases: step4-otg_nmetrics.rb

defProperty('theSender','nodeB','ID of sender node')
defProperty('theReceiver1', 'nodeA', "ID of receiver node")
defProperty('packetsize', 128, "Packet size (byte) from the sender node")
defProperty('bitrate', 2048, "Bitrate (bit/s) from the sender node")
defProperty('runtime', 40, "Time in second for the experiment is to run")
defProperty('graph', true, "Display graph or not")

defGroup('Sender',property.theSender) do |node|
    options = { 'sample-interval' => 2, 'monitor_interface' => 'eth1 -i eth2 -i eth3' }
    node.addPrototype("system_monitor", options)

    node.addApplication("test:app:otg2") do |app|
        app.setProperty('udp:local_host', '192.168.4.10')
        app.setProperty('udp:dst_host', '192.168.4.11')
        app.setProperty('udp:dst_port', 3000)
        app.setProperty('cbr:size', property.packetsize)
        app.setProperty('cbr:rate', property.bitrate * 2)
        app.measure('udp_out', :samples => 1)
    end
    
end

defGroup('Receiver1',property.theReceiver1) do |node|
    options = { 'sample-interval' => 2 }
    node.addPrototype("system_monitor", options)
    node.addApplication("test:app:otr2") do |app|
        app.setProperty('udp:local_host', '192.168.4.11')
        app.setProperty('udp:local_port', 3000)
        app.measure('udp_in', :samples => 1)
    end
end


onEvent(:ALL_UP_AND_INSTALLED) do |event|
    info "starting"
    wait 5
    allGroups.exec("ln -s /usr/local/bin/otr2 /usr/bin/otr2")
    allGroups.exec("ln -s /usr/local/bin/otg2 /usr/bin/otg2")
    allGroups.exec("ln -s /usr/local/bin/oml2-nmetrics /usr/bin/oml2-nmetrics")
    allGroups.startApplications
    info "All applications started..."
    wait property.runtime / 4
    property.packetsize = 256
    wait property.runtime / 4
    property.packetsize = 512
    wait property.runtime / 4
    property.packetsize = 1024
    wait property.runtime / 4
    allGroups.stopApplications
    info "All applications stopped." 
    Experiment.done
end

defGraph 'Throughput' do |g|
  g.ms('udp_in').select {[ oml_ts_client.as(:ts), :pkt_length ]}
  g.caption "Packet length measurement."
  g.type 'line_chart3'
  g.mapping :x_axis => :ts, :y_axis => :pkt_length
  g.xaxis :legend => 'time [s]'
  g.yaxis :legend => 'packet length', :ticks => {:format => 's'}
end