void SimulationRun(string RunParameterNames[])
{
ifstream TraceFile;
bool RunValid=true;
if(PrimaryProtocol==NULL)
{
cerr<<"RUN ERROR: No protocol specified!"<<endl;
RunValid=false;
}
if(TraceFileName=="")
{
cerr<<"RUN ERROR: No trace file specified!"<<endl;
RunValid=false;
}
if(RunValid)
{
TraceFile.open(TraceFileName.c_str());
if(!TraceFile.is_open())
{
cerr<<"RUN ERROR: Cannot open trace file!"<<endl;
RunValid=false;
}
else if(TraceFile.bad()||TraceFile.fail())
{
cerr<<"RUN ERROR: Stream was corrupted!"<<endl;
RunValid=false;
}
}
if(!RunValid){return;}//Immediately break and cancel the run if there are execution errors.
ResetGlobalVariables();
int VehicleNum,BeginTime,EndTime;
float x,y;
int NextSimulationTime;
int VehicleNumMask=1;//The modulo of the vehicle num and this value determines whether a vehicle is omitted to get a different set of vehicles in the simulation.
int VehicleNumMaskOffset=0;
bool MaskExists=CheckRunVariableExists("VehicleNumMask");
bool OffsetExists=CheckRunVariableExists("VehicleNumMaskOffset");
if(MaskExists!=OffsetExists){cerr<<"ERROR: Must specify both VehicleNumMask and VehicleNumMaskOffset for this input to be effective!"<<endl;}
else if(MaskExists)
{
VehicleNumMask=GetRunVariableInteger("VehicleNumMask");
VehicleNumMaskOffset=GetRunVariableInteger("VehicleNumMaskOffset");
}
while (TraceFile >> NextSimulationTime >> VehicleNum >> x >> y >> BeginTime >> EndTime)// loop through all input
{
TimeMax=max(NextSimulationTime+1,TimeMax);
if((--VehicleNum)%VehicleNumMask==VehicleNumMaskOffset)
{
VehicleNum/=VehicleNumMask;
VehicleMax=max(VehicleNum+1,VehicleMax);
for(int i=Vehicles.Count();i<VehicleMax;i++){Vehicles.PushObj(new Vehicle("OBU#"+to_string((long long int)i)));}
Vehicle* CurrentVehicle=Vehicles[VehicleNum];
if(CurrentVehicle->v_begin_t==-1)
{
CurrentVehicle->v_begin_t=BeginTime;
CurrentVehicle->v_begin_x=x;
CurrentVehicle->v_begin_x=y;
CurrentVehicle->v_end_t=EndTime;
}
}
}
OutputVariables.Set("VehicleMax",to_string((long long int)VehicleMax));
OutputVariables.Set("TimeMax",to_string((long long int)TimeMax));
OutputVariables.Set("TraceFile",TraceFileName);
OutputVariables.Set("ProtocolName",ProtocolName);
TraceFile.clear();
TraceFile.seekg(0, TraceFile.beg); // reposition to beginning of input file
if(TraceFile.bad()||TraceFile.fail())
{
cerr<<"RUN ERROR: Could not reset stream!"<<endl;
RunValid=false;
}
int PeakAnonymitySetSize=0;//Used to calculate one of our metrics later.
float PeakAnonymityDistance=0;
if(CheckRunVariableExists("GlobalMessageLimit")){NetworkObject::GlobalMessageLimit=GetRunVariableInteger("GlobalMessageLimit");}
SetGlobalVehicleMaxMessagePerTick(CheckRunVariableExists("VehicleMessageLimit")?GetRunVariableInteger("VehicleMessageLimit"):0);
time_t SimulationBeginTime=time(NULL);
RunValid=RunValid&&PrimaryProtocol->SimulationBegin();
bool TraceFileEOF=false;
while(!TraceFileEOF)
{
TraceFile>>NextSimulationTime>>VehicleNum>>x>>y>>BeginTime>>EndTime;
TraceFileEOF=TraceFile.eof();
if(!TraceFileEOF&&(TraceFile.bad()||TraceFile.fail()))
{
cerr<<"RUN ERROR: Stream became corrupted during simulation!"<<endl;
RunValid=false;
break;
}
if(SimulationTime==-1){SimulationTime=NextSimulationTime;}//This prevents a logic error that causes a simulation tick before the first batch of tracefile data has been processed.
if(TraceFileEOF||SimulationTime!=NextSimulationTime)
{
RunValid=RunValid&&PrimaryProtocol->SimulationTick();
if(!RunValid){break;}//This short-circuits the execution if a critical error as occurred.
//This loop adds to the average counters in each vehicle.
//Average counters are processed after the simulation to get various anonymity statistics.
//As such, these values are not menaingful until they have been finalized later.
for(int i=0;i<VehicleMax;i++)
{
Vehicle* CurrentVehicle=Vehicles[i];
if(!CurrentVehicle->CurrentlyWithinSimulation()){continue;}
if(CurrentVehicle->AssignedSet!=NULL)
{
AnonymitySet* CurrentSet=CurrentVehicle->AssignedSet;
int SetSize=CurrentSet->Count();
CurrentVehicle->AverageAnonymitySetSizeCounter+=SetSize;
PeakAnonymitySetSize=max(PeakAnonymitySetSize,SetSize);
ArrayList<Vehicle*>* VehiclesInSet=&(CurrentSet->AnonymousVehicles);
float SetDistance=0.0;
for(int io=0;io<VehiclesInSet->Count();io++)
{
Vehicle* OtherVehicle=(*VehiclesInSet)[io];
if(CurrentVehicle==OtherVehicle){continue;}
float XDist=CurrentVehicle->x-OtherVehicle->x;
float YDist=CurrentVehicle->y-OtherVehicle->y;
float Dist=sqrt(XDist*XDist+YDist*YDist);
SetDistance+=Dist;
PeakAnonymityDistance=max(PeakAnonymityDistance,Dist);
}
CurrentVehicle->AverageAnonymityDistanceCounter+=SetDistance/SetSize;
}
else{CurrentVehicle->AverageAnonymitySetSizeCounter++;}
}
for(int i=0;i<VehicleMax;i++)
{
Vehicle* CurrentVehicle=Vehicles[i];
if(SimulationTime==CurrentVehicle->v_end_t)
{
CurrentVehicle->v_end_x=CurrentVehicle->x;
CurrentVehicle->v_end_y=CurrentVehicle->y;
CurrentVehicle->v_terminated=SimulationTime;
//We set ending data AFTER the protocol text so the set isn't prematurely decremented.
if(CurrentVehicle->AssignedSet!=NULL){CurrentVehicle->AssignedSet->RemoveVehicle(CurrentVehicle);}
}
}
if(TraceFileEOF){break;}
SimulationTime=NextSimulationTime;
}
if((--VehicleNum)%VehicleNumMask==VehicleNumMaskOffset)
{
VehicleNum=VehicleNum/VehicleNumMask;
Vehicle* CurrentVehicle=Vehicles[VehicleNum];//We decrement VehicleNum because trace files base their lists with 1 as the first index.
CurrentVehicle->x=x;
CurrentVehicle->y=y;
}
}
if(RunValid)
{
PrimaryProtocol->SimulationEnd();
time_t SimulationRunTime=time(NULL)-SimulationBeginTime;
OutputVariables.Set("RunTime",to_string(((long double)SimulationRunTime)/60.0));
//This loop adds inputs as outputs, so the resulting printed line can also reference parameters used in the run.
for(int i=0;i<RunVariables.Count();i++){OutputVariables.Set(RunVariables.GetKey(i),RunVariables.Get(i));}
//This loop calculates various averages.
int AnonymousVehicleCount=0;
int AverageAnonymitySamples=0;
float AverageAnonymitySetSize=0.0;
float AverageAnonymityDistance=0.0;
float AverageAnonymityTime=0.0;
float PeakAnonymityTime=0.0;
for(int i=0;i<Vehicles.Count();i++)
{
Vehicle* CurrentVehicle=Vehicles[i];
if(CurrentVehicle->v_terminated==-1)
{
cerr<<"TERMINATE ERROR: Vehicle#"<<i<<" was supposed to terminate at "<<CurrentVehicle->v_end_t<<"/"<<SimulationTime<<endl;
CurrentVehicle->v_terminated=CurrentVehicle->v_end_t;
}
AverageAnonymitySamples+=(CurrentVehicle->v_terminated-CurrentVehicle->v_begin_t)+1;
AverageAnonymitySetSize+=CurrentVehicle->AverageAnonymitySetSizeCounter;
AverageAnonymityDistance+=CurrentVehicle->AverageAnonymityDistanceCounter;
if(CurrentVehicle->v_k_assign_t!=-1)
{
AnonymousVehicleCount++;
float AnonTime=CurrentVehicle->v_terminated-CurrentVehicle->v_k_silent_t;
AverageAnonymityTime+=AnonTime;
PeakAnonymityTime=max(PeakAnonymityTime,AnonTime);
}
}
if(AnonymousVehicleCount>0){AverageAnonymityTime/=AnonymousVehicleCount;}
if(AverageAnonymitySamples==0)
{
AverageAnonymitySetSize=0.0f;
AverageAnonymityDistance=0.0f;
}
else
{
AverageAnonymitySetSize/=AverageAnonymitySamples;
AverageAnonymityDistance/=AverageAnonymitySamples;
}
OutputVariables.Set("AverageAnonymitySetSize",to_string((long double)AverageAnonymitySetSize));
OutputVariables.Set("PeakAnonymitySetSize",to_string((long long int)PeakAnonymitySetSize));
OutputVariables.Set("AverageAnonymityDistance",to_string((long double)AverageAnonymityDistance));
OutputVariables.Set("PeakAnonymityDistance",to_string((long double)PeakAnonymityDistance));
OutputVariables.Set("AverageAnonymityTime",to_string((long double)AverageAnonymityTime));
OutputVariables.Set("PeakAnonymityTime",to_string((long double)PeakAnonymityTime));
OutputVariables.Set("AnonymousVehicleCount",to_string((long long int)AnonymousVehicleCount));
OutputVariables.Set("TotalAnonymitySets",to_string((long long int)AnonymitySets.Count()));
//This loop calculates the most congested networked unit.
int CongestionCount=0;
NetworkObject* CongestedUnit=NULL;
for(int i=0;i<NetworkObjects.Count();i++)
{
NetworkObject* CurrentCounter=NetworkObjects[i];
int MaxPackets=CurrentCounter->NetworkMessages.GetMostPacketsTransmitted();
if(MaxPackets>CongestionCount)
{
CongestedUnit=CurrentCounter;
CongestionCount=MaxPackets;
}
}
if(CongestedUnit==NULL){OutputVariables.Set("PeakTrafficUnit","None");}
else{OutputVariables.Set("PeakTrafficUnit",CongestedUnit->Title);}
OutputVariables.Set("PeakTrafficAmount",to_string((long long int)CongestionCount));
//This loop adds the traffic counters to the list of OutputVariables.
for(int i=0;i<=TOTAL_TRAFFIC_TYPES;i++){OutputVariables.Set(string("Packet Count: ")+GetEnumName((TrafficType)i),to_string((long long int)GlobalTraffic[i]));}
OutputVariables.Set(string("Packet Count: Overhead"),to_string((long long int)GlobalTraffic.Overhead()));
OutputVariables.Set(string("Packet Count: Overhead Ratio"),to_string((long double)GlobalTraffic.OverheadRatio()));
OutputVariables.Set(string("Packet Count: Successful"),to_string((long long int)GlobalTraffic.TotalTransmitted()));
OutputVariables.Set(string("Packet Count: Lost"),to_string((long long int)GlobalTraffic.TotalLost()));
OutputVariables.Set(string("PacketLoss"),to_string((long double)GlobalTraffic.PacketLoss()));
OutputVariables.Set(string("Throughput"),to_string((long double)GlobalTraffic.TotalTransmitted()/TimeMax));
//OUTPUT
if(LegacyOutput)
{
cout<<"RUN:";
for(int i=0;i<MAX_PARAMETERS_PER_LINE&&RunParameterNames[i].length()>0;i++)
{
if(i>0){cout<<",";}
cout<<RunParameterNames[i]<<"="<<setw(3)<<RunVariables.Get(RunParameterNames[i]);
}
cout<<": ";
cout<<fixed<<
"K="<<setw(5)<<setprecision(2)<<AverageAnonymitySetSize<<"("<<AnonymitySets.Count()<<"), "<<
"D="<<setw(6)<<setprecision(2)<<AverageAnonymityDistance<<", "<<
"T="<<setw(5)<<setprecision(2)<<AverageAnonymityTime<<", "<<
"Anonymous="<<setw(4)<<AnonymousVehicleCount<<"/"<<setw(4)<<VehicleMax;
for(int i=0;i<=TOTAL_TRAFFIC_TYPES;i++){cout<<", "<<GetEnumName((TrafficType)i)<<":"<<GlobalTraffic[i];}
if(CongestedUnit!=NULL){cout<<", Congested: "<<CongestedUnit->Title<<"("<<CongestionCount<<")";}
cout<<endl;
}
else if(VerboseOutput)
{
for(int i=0;i<OutputVariables.Count();i++)
{
if(i!=0){cout<<", ";}
cout<<OutputVariables.GetKey(i)<<"="<<OutputVariables.Get(i);
}
cout<<endl;
}
else
{
//TODO: Get the output to interpret different variable types.
int FormatNeedle=0;//This advances through the format string as we process each section.
while(FormatNeedle<OutputFormat->size())
{
//These first few lines find the next special character, or the end of the string, and OutputVariables any part of the string which was passed over.
size_t FoundIndex=OutputFormat->find(OUTPUT_FORMAT_DELIMITER,FormatNeedle);
if(FoundIndex==string::npos){FoundIndex=OutputFormat->size();}
cout<<OutputFormat->substr(FormatNeedle,FoundIndex-FormatNeedle);
FormatNeedle=FoundIndex+1;
//If the end of the string was not reached, we then try to parse the next block of characters, which are special notation.
if(FoundIndex<OutputFormat->size())
{
FoundIndex=OutputFormat->find(OUTPUT_FORMAT_DELIMITER,FormatNeedle);
if(FoundIndex==string::npos)
{
cerr<<"ERROR: Misformatted Output String: No Closing '"<<OUTPUT_FORMAT_DELIMITER<<"'!"<<endl;
break;
}
string FormatSpecifierArguments("s");
size_t FoundSubIndex=OutputFormat->find(OUTPUT_FORMAT_SUB_DELIMITER,FormatNeedle);
if(FoundSubIndex!=string::npos)
{
FormatSpecifierArguments=OutputFormat->substr(FormatNeedle,FoundSubIndex-FormatNeedle);
FormatNeedle=FoundSubIndex+1;
}
string OutputValue("Unspecified");
string VariableName=OutputFormat->substr(FormatNeedle,FoundIndex-FormatNeedle);
if(OutputVariables.HasKey(VariableName)){OutputValue=OutputVariables.Get(VariableName);}
string FormatSpecifier("%");
FormatSpecifier=FormatSpecifier+FormatSpecifierArguments;
char VariableTypeSpecifier=FormatSpecifier.at(FormatSpecifier.size()-1);
switch(VariableTypeSpecifier)
{
case 'd': case 'i': case 'u':
printf(FormatSpecifier.c_str(),atoi(OutputValue.c_str()));
break;
case 'f': case 'F':
printf(FormatSpecifier.c_str(),atof(OutputValue.c_str()));
break;
default:
printf(FormatSpecifier.c_str(),OutputValue.c_str());
break;
}
FormatNeedle=FoundIndex+1;
}
}
cout<<endl<<flush;//We have to use this operator to push a newline to cout, or the Cloud9 interface will cache it in a strange way.
}
}
//CLEANUP
fflush(NULL);
TraceFile.close();
while(AnonymitySets.Count()>0){delete AnonymitySets.PopObj();}
while(Vehicles.Count()>0){delete Vehicles.PopObj();}
}
