From e8ed7b1d1b5bef31e9874f679a5797c2e00d06f1 Mon Sep 17 00:00:00 2001
From: Nilay Vaish <nilay@cs.wisc.edu>
Date: Sat, 11 Oct 2014 15:02:23 -0500
Subject: ext: add the source code for DSENT This patch adds a tool called
 DSENT to the ext/ directory.  DSENT is a tool that models power and area for
 on-chip networks.  The next patch adds a script for using the tool.

---
 ext/dsent/model/optical_graph/OpticalNode.cc | 96 ++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 ext/dsent/model/optical_graph/OpticalNode.cc

(limited to 'ext/dsent/model/optical_graph/OpticalNode.cc')

diff --git a/ext/dsent/model/optical_graph/OpticalNode.cc b/ext/dsent/model/optical_graph/OpticalNode.cc
new file mode 100644
index 000000000..89e034b09
--- /dev/null
+++ b/ext/dsent/model/optical_graph/OpticalNode.cc
@@ -0,0 +1,96 @@
+
+#include "model/optical_graph/OpticalNode.h"
+
+namespace DSENT
+{
+    // Set the optical node initial visited num
+    const int OpticalNode::OPTICAL_NODE_INIT_VISITED_NUM = 0;
+
+    OpticalNode::OpticalNode(Type type_, const String& instance_name_, OpticalModel* model_, const WavelengthGroup& wavelengths_)
+        :m_type_(type_), m_instance_name_(instance_name_), m_model_(model_), m_wavelengths_(wavelengths_)
+    {
+        m_loss_ = 0.0;
+        setVisitedNum(OpticalNode::OPTICAL_NODE_INIT_VISITED_NUM);
+        m_downstream_nodes_ = new vector<OpticalNode*>;
+    }
+
+    OpticalNode::~OpticalNode()
+    {
+
+    }
+    
+    OpticalNode::Type OpticalNode::getType() const
+    {
+        return m_type_;
+    }
+    
+    vector<OpticalNode*>* OpticalNode::getDownstreamNodes() const
+    {
+        return m_downstream_nodes_;
+    }
+
+    const String& OpticalNode::getInstanceName() const
+    {
+        return m_instance_name_;
+    }
+    
+    OpticalModel* OpticalNode::getModel()
+    {
+        return m_model_;
+    }
+    
+    const OpticalModel* OpticalNode::getModel() const
+    {
+        return (const OpticalModel*) m_model_;
+    }
+
+    void OpticalNode::addDownstreamNode(OpticalNode* node_)
+    {
+        ASSERT(node_->isExpected(getWavelengths()), "[Error] " + getInstanceName() +
+            " -> Downstream node not expecting a superset of the current wavelengths");
+        m_downstream_nodes_->push_back(node_);
+    }    
+    
+    WavelengthGroup OpticalNode::getWavelengths() const
+    {
+        return m_wavelengths_;
+    }
+
+    bool OpticalNode::isExpected(const WavelengthGroup& wavelengths_) const
+    {
+        // Check that the lower limits are within bounds
+        bool lower_match = (wavelengths_.first >= getWavelengths().first);
+        // Check that the upper limits are within bounds
+        bool upper_match = (wavelengths_.second <= getWavelengths().second);
+        // Assert that there are no misalignments
+        ASSERT(lower_match == upper_match, "[Error] " + getInstanceName() +
+            " -> Wavelength group misalignment!");
+        // Both upper and lower bounds must match
+        return (upper_match && lower_match);
+    }    
+
+    //-------------------------------------------------------------------------
+    void OpticalNode::setLoss(double loss_)
+    {
+        m_loss_ = loss_;
+    }
+    
+    double OpticalNode::getLoss() const
+    {
+        return m_loss_;
+    }
+
+    void OpticalNode::setVisitedNum(int visited_num_)
+    {
+        m_visited_num_ = visited_num_;
+    }
+    
+    int OpticalNode::getVisitedNum() const
+    {
+        return m_visited_num_;
+    }
+    //-------------------------------------------------------------------------
+        
+} // namespace DSENT
+
+
-- 
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