Class: Scriptroute::Tulip::LossTrain

Inherits:
Object
  • Object
show all
Defined in:
lib/scriptroute/tulip/loss.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(destination, intra_train, type, ttl) ⇒ LossTrain

Returns a new instance of LossTrain.



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# File 'lib/scriptroute/tulip/loss.rb', line 7

def initialize(destination, intra_train, type, ttl)
  @destination, @intra_train, @type, @ttl = destination, intra_train, type, ttl;
  #(dsts, numpackets, intratrain, types, ttls, psizes, numtrains, intertrain) 
  @train = Train2.new([destination], 3, @intra_train, [type], [ttl], [-1, 1000, -1], 1, 0);
end

Instance Attribute Details

#train ⇒ Object (readonly)

Returns the value of attribute train.



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# File 'lib/scriptroute/tulip/loss.rb', line 5

def train
  @train
end

Instance Method Details

#isLossy? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scriptroute/tulip/loss.rb', line 13

def isLossy? 
  return (@train.num_losses[0] > 0);
end

#to_s ⇒ Object 



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# File 'lib/scriptroute/tulip/loss.rb', line 28

def to_s 
  str = "";
  str += "losstrain #{@destination} #{@intra_train} #{@type} #{@ttl}\n";
  @train.packets.each_index { |j| 
    @train.packets[0].each_index { |k|
	pr = @train.packets[j][k];
	if (pr and pr.probe and pr.probe.time) then
 stime, sid = pr.probe.time.to_f * 1000, pr.probe.packet.ip_id;
 rtime = (pr.response) ? pr.response.time.to_f * 1000 : -1;
 rid = (pr.response) ? pr.response.packet.ip_id : -1;
 src = (pr.response)? pr.response.packet.ip_src : -1;
 str += "#{src} %.3f +%.3fms %d %d\n" %[stime, rtime-stime, rid, sid];
	else 
 str += "pcap overload\n";
	end
    }
  }
  return str;
end

#wasPcapped? ⇒ Boolean

todo: principled treatment of pcapping

Returns:

  • (Boolean) 


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# File 'lib/scriptroute/tulip/loss.rb', line 18

def wasPcapped? 
  @train.packets.each_index { |j| 
    @train.packets[0].each_index { |k|
	pr = @train.packets[j][k];
	return true if (!pr or !pr.probe or !pr.probe.time);
    }
  }
  return false;
end