Class: ABProf::ABBareProcess

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command_line, opts = {}) ⇒ ABBareProcess

Returns a new instance of ABBareProcess.



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# File 'lib/abprof.rb', line 132

def initialize command_line, opts = {}
  @command = command_line
  @debug = opts[:debug]
end

Instance Attribute Details

#last_iters ⇒ Object (readonly)

Returns the value of attribute last_iters.



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# File 'lib/abprof.rb', line 126

def last_iters
  @last_iters
end

#last_run ⇒ Object (readonly)

Returns the value of attribute last_run.



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# File 'lib/abprof.rb', line 125

def last_run
  @last_run
end

Instance Method Details

#debug(string) ⇒ Object 



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# File 'lib/abprof.rb', line 128

def debug string
  STDERR.puts(string) if @debug
end

#kill ⇒ Object 



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# File 'lib/abprof.rb', line 141

def kill
  # No-op
end

#quit ⇒ Object 



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# File 'lib/abprof.rb', line 137

def quit
  # No-op
end

#run_iters(n) ⇒ Object 



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# File 'lib/abprof.rb', line 145

def run_iters(n)
  t_start = t_end = nil
  debug "Controller of #{@pid}: #{n} ITERS"

  state = :succeeded
  n.times do
    if @command.respond_to?(:call)
      t_start = Time.now
      @command.call
      t_end = Time.now
    elsif @command.respond_to?(:to_s)
      t_start = Time.now
      system(@command.to_s)
      t_end = Time.now
      unless $?.success?
        STDERR.puts "Failing process #{@pid} after failed iteration(s), error code #{state.inspect}"
        # How to handle error with no self.kill?
        raise "Failure from command #{@command.inspect}, dying!"
      end
    else
      raise "Don't know how to execute bare object: #{@command.inspect}!"
    end
  end
  @last_run = [(t_end - t_start).to_f]
  @last_iters = n

  @last_run
end