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.h | 92 +++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 ext/dsent/model/optical_graph/OpticalNode.h

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

diff --git a/ext/dsent/model/optical_graph/OpticalNode.h b/ext/dsent/model/optical_graph/OpticalNode.h
new file mode 100644
index 000000000..bb88d2da1
--- /dev/null
+++ b/ext/dsent/model/optical_graph/OpticalNode.h
@@ -0,0 +1,92 @@
+#ifndef __DSENT_MODEL_OPTICALGRAPH_OPTICALNODE_H__
+#define __DSENT_MODEL_OPTICALGRAPH_OPTICALNODE_H__
+
+#include "model/OpticalModel.h"
+#include "util/CommonType.h"
+
+namespace DSENT
+{
+    class OpticalNode;
+
+    //TODO: Change to detector
+    typedef std::pair<OpticalNode*, double> DetectorEntry;
+    typedef std::vector<DetectorEntry> DetectorTable;
+
+    class OpticalNode
+    {
+        public:
+            // The starting visited number flag of all optical nodes
+            static const int OPTICAL_NODE_INIT_VISITED_NUM;
+            
+            // The types of optical nodes that can exist
+            enum Type
+            {
+                WAVEGUIDE,
+                LASER,
+                MODULATOR,
+                FILTER,
+                DETECTOR
+            };
+    
+        public:
+            OpticalNode(Type type_, const String& instance_name_, OpticalModel* model_, const WavelengthGroup& wavelengths_);
+            ~OpticalNode();
+
+        public:
+            // Get the type of optical node            
+            Type getType() const;
+            // Return instance name
+            const String& getInstanceName() const;
+            // Get the downstream optical nodes
+            vector<OpticalNode*>* getDownstreamNodes() const;
+            // Connect the downstream optical node
+            void addDownstreamNode(OpticalNode* node_);
+            // Return the node's parent model
+            OpticalModel* getModel();
+            const OpticalModel* getModel() const;                                    
+            // Get wavelength groups
+            WavelengthGroup getWavelengths() const;
+            // Returns whether the node is expecting a set of wavelengths
+            bool isExpected(const WavelengthGroup& wavelengths_) const;
+            
+            // Trace wavelengths, find and put all found lasers, modulators, and detectors
+            //virtual void traceWavelengths(const WavelengthGroup& wavelengths_, OpticalNode* laser_,
+            //    OpticalNode* modulator_, DetectorTable* detectors_, double current_loss_) const;
+            
+            //-----------------------------------------------------------------
+            // Node variables for wavelength tracing
+            //-----------------------------------------------------------------
+            // Loss incurred at this optical node
+            void setLoss(double loss_);
+            double getLoss() const;
+            // Visited number marker
+            void setVisitedNum(int visited_num_);
+            int getVisitedNum() const;
+            //-----------------------------------------------------------------
+
+        
+        private:
+            // Disable copy constructor
+            OpticalNode(const OpticalNode& node_);
+
+        private:
+            // The type of optical node
+            const Type m_type_;
+            // Name of this instance
+            String m_instance_name_;
+            // A pointer to the model that contains this node
+            OpticalModel* m_model_;
+            // Downstream optical node
+            vector<OpticalNode*>* m_downstream_nodes_;
+            // Path visited count (so that you don't have to clear it)
+            int m_visited_num_;
+            // The amount of loss incurred at this optical node
+            double m_loss_;
+            // The wavelengths this optical node is supposed to see
+            const WavelengthGroup m_wavelengths_;
+    };
+    
+} // namespace DSENT
+
+#endif // __DSENT_MODEL_OPTICALGRAPH_OPTICALNODE_H__
+
-- 
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