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Unified Diff: src/stats/model/scaling-collector.cc

Issue 245260043: DCF collectors
Patch Set: Created 8 years, 9 months ago
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Index: src/stats/model/scaling-collector.cc
===================================================================
new file mode 100644
--- /dev/null
+++ b/src/stats/model/scaling-collector.cc
@@ -0,0 +1,96 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2015 Bucknell University
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Li Li (ll024@bucknell.edu)
+ */
+
+#include "ns3/object.h"
+#include "ns3/log.h"
+#include "ns3/simulator.h"
+#include "ns3/scaling-collector.h"
+
+NS_LOG_COMPONENT_DEFINE ("ScalingCollector");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (ScalingCollector);
+
+TypeId
+ScalingCollector::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::ScalingCollector")
+ .SetParent<Collector> ()
+ .AddConstructor<ScalingCollector> ()
+ .AddAttribute ("ScalingFactor",
+ "Input data will be scaled by multiplying by this quantity",
+ DoubleValue (1.0),
+ MakeDoubleAccessor (&ScalingCollector::m_scalingFactor),
+ MakeDoubleChecker<double> ())
+ .AddTraceSource ("Output",
+ "The double value received by the trace sink after scaling",
+ MakeTraceSourceAccessor (&ScalingCollector::m_output),
+ "ns3::DataCollectionObject::CollectorTraceCallback")
+ ;
+ return tid;
+}
+
+ScalingCollector::ScalingCollector ()
+ : Collector ()
+{
+ NS_LOG_FUNCTION (this);
+}
+
+ScalingCollector::~ScalingCollector ()
+{
+ NS_LOG_FUNCTION (this);
+}
+
+void
+ScalingCollector::TraceSinkDouble (double oldValue, double newValue)
+{
+ NS_LOG_FUNCTION (this << oldValue << newValue);
+ if (!IsEnabled ())
+ {
+ NS_LOG_DEBUG ("Collector not enabled");
+ return;
+ }
+
+ // scale the value received by multiplying it with the scaling
+ // factor, and store the data in m_doubleValue
+ m_doubleValue = newValue * m_scalingFactor;
+
+ // Report data to downstream objects
+ ReportData ();
+}
+
+void
+ScalingCollector::ReportData (void)
+{
+ NS_LOG_FUNCTION (this);
+ if (!IsEnabled ())
+ {
+ return;
+ }
+ // get current simulation time
+ double time = Simulator::Now ().GetSeconds ();
+
+ // report the time and the newly received value to downstream
+ // objects
+ m_output (time, m_doubleValue);
+}
+
+} //namespace ns3

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