def __print_usage
puts " --version | -v => print version information"
puts " --help | -h => print this message"
puts ""
puts " [-i <local_ip>] [-p <local_port>] [-r <remote_ip>] [-o remote_port>] [-c|-t <file_name>]"
puts " => -c for controller and -t for test generation"
puts " => <file_name> is the name of test or controller class to be run."
puts " The default local port while running the controller is 5060 and the default remote port is "
puts " also 5060. While running the test the default local port is 5066, remote is 5060"
puts " In its simplest usage, you can just start sipper by running it "
puts " without arguments. The controllers in this case are loaded from "
puts " the default controller path location. "
exit(0)
end