Class: TConsole::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/tconsole.rb

Class Method Summary collapse

Class Method Details

.run(argv) ⇒ Object

Spawns a new environment. Looks at the results of the environment to determine whether to stop or keep running



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# File 'lib/tconsole.rb', line 21

def self.run(argv)
  stty_save = `stty -g`.chomp

  running = true
  trap("SIGINT", "IGNORE")
  trap("SIGTSTP", "IGNORE")

  # A little welcome
  puts
  puts "Welcome to tconsole (v#{TConsole::VERSION}). Type 'help' for help or 'exit' to quit."

  # set up the config
  Config.load_config(File.join(Dir.home, ".tconsole"))
  Config.load_config(File.join(Dir.pwd, ".tconsole"))
  config = Config.configure(argv)

  config_errors = config.validation_errors
  if config_errors.length > 0
    puts
    puts config_errors.first
    exit(1)
  end

  # Set up our console input handling and history
  console = Console.new(config)

  # Start the server
  while running
    # ignore ctrl-c during load, since things can get kind of messy if we don't

    pipe_server = PipeServer.new

    config.trace("Forking test server.")
    server_pid = fork do
      pipe_server.callee!

      server = Server.new(config)

      while message = pipe_server.read
        config.trace("Server Received Message: #{message[:action]}")
        begin
          result = server.handle(message)
          pipe_server.write(result)
        rescue => e
          puts
          puts "An error occured: #{e.message}"
          config.trace("===========")
          config.trace(e.backtrace.join("\n"))
          config.trace("===========")
          pipe_server.write(nil)
        end
      end
    end

    pipe_server.caller!

    wait_until = Time.now + 10

    config.trace("Attempting to load environment.")
    pipe_server.write({:action => "load_environment"})

    unless pipe_server.read
      puts "Couldn't load the test environment. Exiting."
      exit(1)
    end
    config.trace("Environment loaded successfully.")

    console.pipe_server = pipe_server
    running = console.read_and_execute
    console.pipe_server = nil

    Process.waitall
  end

  console.store_history

  puts
  puts "Exiting. Bye!"
  system("stty", stty_save);
end