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# ctopo.h

    00001 //==========================================================================
    00002 //  CTOPO.H - part of
    00003 //                     OMNeT++/OMNEST
    00004 //            Discrete System Simulation in C++
    00005 //
    00006 //
    00007 //  Declaration of the following classes:
    00008 //     cTopology : network topology to find shortest paths etc.
    00009 //
    00010 //==========================================================================
    00011
    00012 /*--------------------------------------------------------------*
    00013   Copyright (C) 1992-2005 Andras Varga
    00014
    00015   This file is distributed WITHOUT ANY WARRANTY. See the file
    00016   `license' for details on this and other legal matters.
    00017 *--------------------------------------------------------------*/
    00018
    00019 #ifndef __CTOPO_H
    00020 #define __CTOPO_H
    00021
    00022 #ifdef _MSC_VER
    00023 // disable "identifier was truncated to '255' characters in the debug information" warnings
    00024 #pragma warning(disable:4786)
    00025 #endif
    00026
    00027 #include <string>
    00028 #include <vector>
    00029 #include "cobject.h"
    00030
    00031 class cPar;
    00032
    00033 #ifndef INFINITY
    00034 #define INFINITY  HUGE_VAL
    00035 #endif
    00036
    00037
    00059 class SIM_API cTopology : public cObject
    00060 {
    00061   public:
    00062     class Link;
    00063     class LinkIn;
    00064     class LinkOut;
    00065
    00069     class SIM_API Node
    00070     {
    00071         friend class cTopology;
    00072
    00073       private:
    00074         int module_id;
    00075         double wgt;
    00076         bool enabl;
    00077
    00078         int num_in_links;
    00079         Link **in_links;
    00080         int num_out_links;
    00081         Link *out_links;
    00082
    00083         // variables used by the shortest-path algorithms
    00084         bool known;
    00085         double dist;
    00086         Link *out_path;
    00087
    00088       public:
    00091
    00095         int moduleId() const         {return module_id;}
    00096
    00100         cModule *module() const           {return &simulation[module_id];}
    00101
    00106         double weight() const        {return wgt;}
    00107
    00112         void setWeight(double d)    {wgt=d;}
    00113
    00118         bool enabled() const         {return enabl;}
    00119
    00124         void enable()               {enabl=true;}
    00125
    00130         void disable()              {enabl=false;}
    00132
    00135
    00139         int inLinks() const          {return num_in_links;}
    00140
    00144         LinkIn *in(int i);
    00145
    00149         int outLinks() const         {return num_out_links;}
    00150
    00154         LinkOut *out(int i);
    00156
    00159
    00163         double distanceToTarget() const   {return dist;}
    00164
    00169         int paths() const                 {return out_path?1:0;}
    00170
    00176         LinkOut *path(int) const     {return (LinkOut *)out_path;}
    00178     };
    00179
    00180
    00184     class SIM_API Link
    00185     {
    00186         friend class cTopology;
    00187
    00188       protected:
    00189         Node *src_node;
    00190         int src_gate;
    00191         Node *dest_node;
    00192         int dest_gate;
    00193         double wgt;
    00194         bool enabl;
    00195
    00196       public:
    00201         double weight() const        {return wgt;}
    00202
    00207         void setWeight(double d)    {wgt=d;}
    00208
    00213         bool enabled() const         {return enabl;}
    00214
    00219         void enable()               {enabl=true;}
    00220
    00225         void disable()              {enabl=false;}
    00226     };
    00227
    00228
    00237     class SIM_API LinkIn : public Link
    00238     {
    00239       public:
    00247         Node *remoteNode() const  {return src_node;}
    00248
    00252         int remoteGateId() const  {return src_gate;}
    00253
    00257         int localGateId() const   {return dest_gate;}
    00258
    00262         cGate *remoteGate() const      {return src_node->module()->gate(src_gate);}
    00263
    00267         cGate *localGate() const       {return dest_node->module()->gate(dest_gate);}
    00268     };
    00269
    00270
    00279     class SIM_API LinkOut : public Link
    00280     {
    00281       public:
    00289         Node *remoteNode() const  {return dest_node;}
    00290
    00294         int remoteGateId() const  {return dest_gate;}
    00295
    00299         int localGateId() const   {return src_gate;}
    00300
    00304         cGate *remoteGate() const      {return dest_node->module()->gate(dest_gate);}
    00305
    00309         cGate *localGate() const       {return src_node->module()->gate(src_gate);}
    00310     };
    00311
    00312
    00313   protected:
    00314     int num_nodes;
    00315     Node *nodev;
    00316     Node *target;
    00317
    00318   public:
    00321
    00325     explicit cTopology(const char *name=NULL);
    00326
    00330     cTopology(const cTopology& topo);
    00331
    00335     virtual ~cTopology();
    00336
    00340     cTopology& operator=(const cTopology& topo);
    00342
    00345
    00350     virtual cPolymorphic *dup() const     {return new cTopology(*this);}
    00351
    00356     virtual std::string info() const;
    00357
    00363     virtual void netPack(cCommBuffer *buffer);
    00364
    00370     virtual void netUnpack(cCommBuffer *buffer);
    00372
    00381
    00388     void extractFromNetwork(int (*selfunc)(cModule *,void *), void *userdata=NULL);
    00389
    00401     void extractByModuleType(const char *type1,...);
    00402
    00409     void extractByModuleType(const char **types);
    00410
    00416     void extractByModuleType(const std::vector<std::string> types);
    00417
    00423     void extractByParameter(const char *parname, cPar *value=NULL);
    00424
    00428     void clear();
    00430
    00437
    00441     int nodes() const  {return num_nodes;}
    00442
    00447     Node *node(int i);
    00448
    00456     Node *nodeFor(cModule *mod);
    00458
    00460     /*
    00461      * To be implemented:
    00462      *    -  void unweightedMultiShortestPathsTo(Node *target);
    00463      *    -  void weightedSingleShortestPathsTo(Node *target);
    00464      *    -  void weightedMultiShortestPathsTo(Node *target);
    00465      */
    00467
    00472     void unweightedSingleShortestPathsTo(Node *target);
    00473
    00478     Node *targetNode() const {return target;}
    00480 };
    00481
    00482 #endif