--- a/examples/traffic-control/traffic-control.cc Mon Mar 21 22:02:32 2016 -0700
+++ b/examples/traffic-control/traffic-control.cc Mon Mar 21 22:05:02 2016 -0700
@@ -77,7 +77,7 @@
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("10Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
- pointToPoint.SetQueue ("ns3::DropTailQueue", "Mode", StringValue ("QUEUE_MODE_PACKETS"), "MaxPackets", UintegerValue (1000));
+ pointToPoint.SetQueue ("ns3::DropTailQueue", "Mode", StringValue ("QUEUE_MODE_PACKETS"), "MaxPackets", UintegerValue (1));
NetDeviceContainer devices;
devices = pointToPoint.Install (nodes);
@@ -86,10 +86,9 @@
stack.Install (nodes);
TrafficControlHelper tch;
- uint16_t handle = tch.SetRootQueueDisc ("ns3::PfifoFastQueueDisc");
- // Add three internal queues corresponding to the three bands used by PfifoFast
- tch.AddInternalQueues (handle, 3, "ns3::DropTailQueue", "MaxPackets", UintegerValue (1000));
- tch.AddPacketFilter (handle, "ns3::PfifoFastIpv4PacketFilter");
+ uint16_t handle = tch.SetRootQueueDisc ("ns3::RedQueueDisc");
+ // Add the internal queue used by Red
+ tch.AddInternalQueues (handle, 1, "ns3::DropTailQueue", "MaxPackets", UintegerValue (10000));
QueueDiscContainer qdiscs = tch.Install (devices);
Ptr<QueueDisc> q = qdiscs.Get (1);
@@ -137,7 +136,14 @@
double thr = 0;
uint32_t totalPacketsThr = DynamicCast<PacketSink> (sinkApp.Get (0))->GetTotalRx ();
thr = totalPacketsThr * 8 / (simulationTime * 1000000.0); //Mbit/s
- std::cout << thr << " Mbit/s" <<std::endl;
+ std::cout << "Average throughput: " << thr << " Mbit/s" <<std::endl;
+ std::cout << "*** Source stats ***" << std::endl;
+ std::cout << "Number of packets dropped by the TC layer: " << q->GetTotalDroppedPackets () << std::endl;
+ std::cout << "Number of packets dropped by the netdevice: " << queue->GetTotalDroppedPackets () << std::endl;
+ std::cout << "Number of packets requeued by the TC layer: " << q->GetTotalRequeuedPackets () << std::endl;
+ std::cout << "Number of actually lost packets: " << q->GetTotalDroppedPackets ()
+ + queue->GetTotalDroppedPackets ()
+ - q->GetTotalRequeuedPackets () << std::endl;
return 0;
}