basic_sim.rb

require 'rbsim'

model = RBSim.model do

  program :wget do |opts|
    sent = 0
    on_event :send do
      cpu do |cpu|
        (150 / cpu.performance).miliseconds
      end
      send_data to: opts[:target], size: 1024.bytes, type: :request, content: sent
      sent += 1
      register_event :send, delay: 5.miliseconds if sent < opts[:count]
    end

    on_event :data_received do |data|
      log "Got data #{data} in process #{process.name}"
      stats :request_served, process.name
    end

    register_event :send
  end

  program :apache do
    on_event :data_received do |data|
      stats_start :apache, process.name
      cpu do |cpu|
        (100 * data.size.in_bytes / cpu.performance).miliseconds
      end
      send_data to: data.src, size: data.size * 10, type: :response, content: data.content
      stats_stop :apache, process.name
    end
  end

  node :desktop do
    cpu 100
  end

  node :gandalf do
    cpu 1400
  end

  new_process :client1, program: :wget, args: { target: :server, count: 10 }
  new_process :client2, program: :wget, args: { target: :server, count: 10 }
  new_process :server, program: :apache, args: 'apache1'

  net :net01, bw: 1024.bps
  net :net02, bw: 510.bps

  route from: :desktop, to: :gandalf, via: [ :net01, :net02 ], twoway: true

  put :server, on: :gandalf
  put :client1, on: :desktop
  put :client2, on: :desktop

end


model.run

model.stats_print
p model.stats_summary