Class: RobotArmy::TaskMaster

Inherits:
Thor
  • Object
show all
Defined in:
lib/robot-army/task_master.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.host(host = nil) ⇒ Object 



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# File 'lib/robot-army/task_master.rb', line 3

def self.host(host=nil)
  @host = host if host
  @host
end

Instance Method Details

#connection ⇒ Object 



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# File 'lib/robot-army/task_master.rb', line 16

def connection
  RobotArmy::GateKeeper.shared_instance.connect(host)
end

#host ⇒ Object 



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# File 'lib/robot-army/task_master.rb', line 8

def host
  self.class.host
end

#remote(host = self.host, &proc) ⇒ Object 



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# File 'lib/robot-army/task_master.rb', line 20

def remote(host=self.host, &proc)
  ##
  ## build the code to send it
  ##
  
  # fix stack traces
  file, line = eval('[__FILE__, __LINE__]', proc.binding)
  
  # include local variables
  locals = eval('local_variables', proc.binding).map do |name|
    "#{name} = Marshal.load(#{Marshal.dump(eval(name, proc.binding)).inspect})"
  end
  
  code = %{
    #{locals.join("\n")}  # all local variables
    #{proc.to_ruby(true)} # the proc itself
  }
  
  
  ##
  ## send the child a message
  ##
  
  connection.messenger.post(:command => :eval, :data => {
    :code => code, 
    :file => file, 
    :line => line
  })
  
  ##
  ## get and evaluate the response
  ##
  
  response = connection.messenger.get
  
  case response[:status]
  when 'ok'
    return response[:data]
  when 'error'
    raise response[:data]
  else
    raise RuntimeError, "Unknown response status from remote process: #{response[:status]}"
  end
end

#say(something) ⇒ Object 



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# File 'lib/robot-army/task_master.rb', line 12

def say(something)
  puts "** #{something}"
end