public static void trafficThroughSecureProviders(resultObject results)
{
//get what the simulation state would look like.
GlobalState GS = SimulatorLibrary.initGlobalState(results.g, results.earlyAdopters, results.weightedNodes, short.Parse(results.k));
/** First, get a list of multihomed stubs as destinations **/
var stubs=results.g.getStubs();
List<UInt32> multihomedStubs = new List<UInt32>();
foreach(UInt32 stubNum in stubs)
{
AsNode stub = results.g.GetNode(stubNum);
//if this stub is multihomed, init a destination. add it to the list.
if (stub.GetNeighborsByType(RelationshipType.CustomerOf).ToArray().Length > 1)
multihomedStubs.Add(stubNum);
}
Console.WriteLine(multihomedStubs.Count + " stubs out of " + stubs.Count + " are multihomed.");
StreamWriter output = new StreamWriter("trafficThroughSecureProvider.txt");
/** Second, go through each iteration... **/
int iteration=0;
foreach (bool[] S in results.state)
{
DateTime IterationStart = DateTime.Now;
Int32 numDone = 0;
foreach (UInt32 multihomedStubNum in multihomedStubs)
{
/** for this multhomed stub, see how much traffic
* goes through secure providers **/
AsNode multihomedStub = results.g.GetNode(multihomedStubNum);
Destination multihomedStubDest = new Destination(SimulatorLibrary.initMiniDestination(results.g, multihomedStubNum, false));
//computer the paths and utilities.
multihomedStubDest.UpdatePaths(S);
multihomedStubDest.ComputeU(GS.W);
//get the providers.
var Providers = multihomedStub.GetNeighborsByType(RelationshipType.CustomerOf);
//count traffic through secure providers (and number of secure providers).
Int64 TotalU = 0;
Int64 SecureProviderU = 0;
Int32 TotalProviders = Providers.Count();
Int32 SecureProviders = 0;
foreach (var Provider in Providers)
{
if (S[Provider.NodeNum])
{
SecureProviderU += multihomedStubDest.U[Provider.NodeNum];
SecureProviders++;
}
TotalU += multihomedStubDest.U[Provider.NodeNum];
}
/*write out summary of how much traffic went through secure providers. */
output.WriteLine(iteration + " :: " + multihomedStubNum + " " + SecureProviders + " " + TotalProviders + " " + SecureProviderU + " " + TotalU);
numDone++;
if ((numDone % 100) == 0)
Console.WriteLine("Done " + numDone + " at " + DateTime.Now);
}
//some benchmarking.
Console.WriteLine(DateTime.Now + " done iteration " + iteration + " it started at " + IterationStart);
iteration++;
}
output.Close();
}
private List<long[]> readUTable(resultObject Params, string ufile)
{
if (!File.Exists(Params.directory + Params.precursor + "." + ufile))
{
Console.WriteLine("error could not find utilities file: " + Params.directory + "." + Params.precursor + "." + ufile);
return null;
}
List<long[]> UTable = new List<long[]>();
StreamReader input = new StreamReader(Params.directory + Params.precursor + "." + ufile);
while (!input.EndOfStream)
UTable.Add(lineToUtilities(input.ReadLine()));
input.Close();
return UTable;
}
public static resultObject readParamsFile(string paramsFile)
{
StreamReader input = new StreamReader(paramsFile);
resultObject toreturn = new resultObject();
while (!input.EndOfStream)
{
string line = input.ReadLine();
string[] pieces = line.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (line.IndexOf("setutility") >= 0)
{
//line pertaining to setting the utility computation
if (pieces.Length > 1)
toreturn.utility = pieces[1];
}
else if (line.IndexOf("Early adopters:") >= 0)
{
toreturn.earlyAdopters = new List<uint>();
for (int i = 2; i < pieces.Length; i++)
{
UInt32 curr;
if (uint.TryParse(pieces[i].Replace(",",""), out curr))
toreturn.earlyAdopters.Add(curr);
}
}
else if (line.IndexOf("Filename") >= 0)
{
toreturn.graphFile = pieces[1].ToLower();
if (toreturn.graphFile == "cyclops_2009_ixp.txt" ||
toreturn.graphFile == "cyclops_20101209_ixp.txt" ||
toreturn.graphFile=="cyclopsixp20101209-big5-nochildren.txt")
{
toreturn.f = "0";
}
else
{
//filename looks like: cyclopsixp2009-big5-0.1.txt
if (toreturn.graphFile.IndexOf("ixpsmart") < 0)
{
pieces = toreturn.graphFile.Split("-".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
toreturn.f = pieces[2];
}
else
toreturn.f = "0.8";
}
}
else if (line.IndexOf("OutputDir") >= 0)
{
//contains the directory tag. use this to derive
//the precursor for the standard filenames
toreturn.precursor = pieces[1].Substring(0, 20);
}
else if (line.IndexOf("percent") >= 0)
{
//line setting the utility fraction
toreturn.u = pieces[1];
}
else if (line.IndexOf("K") >= 0)
{
//line setting the K value
toreturn.k = pieces[1];
}
else if (line.IndexOf("Weighted Nodes:") >= 0)
{
toreturn.weightedNodes = new List<uint>();
for (int i = 2; i < pieces.Length; i++)
{
UInt32 curr;
if (uint.TryParse(pieces[i].Replace(",",""), out curr))
toreturn.weightedNodes.Add(curr);
}
}
}
input.Close();
return toreturn;
}
private List<bool[]> postProcessState(List<bool[]> unprocessedState, resultObject Params)
{
List<UInt32> big5 = new List<uint>();
big5.Add(22822);
big5.Add(8075);
big5.Add(15169);
big5.Add(20940);
big5.Add(32934);
List<bool[]> processedState = new List<bool[]>();
string graphFile = graphDirectory + Params.graphFile;
if (!File.Exists(graphFile))
Console.WriteLine("I could not find the graph file: " + graphFile);
NetworkGraph g = new NetworkGraph();
InputFileReader ifr = new InputFileReader(graphFile, g);
ifr.ProcessFile();
List<UInt32> stubs = g.getStubs();
/*** Process and add the initial state of the simulation ***/
bool[] initialState = SimulatorLibrary.initGlobalState(g, Params.earlyAdopters).S;
//walk over stubs and re-evaluate their state.
foreach (UInt32 AS in stubs)
{
if (!big5.Contains(AS))
{
AsNode node = g.GetNode(AS);
initialState[AS] = false;//default to false for this stub.
var parents = node.GetNeighborsByType(RelationshipType.CustomerOf).ToList<AsNode>();
// parents.AddRange(node.GetNeighborsByType(RelationshipType.PeerOf)); //don't turn on for peers
foreach (AsNode parent in parents)
{
if (initialState[parent.NodeNum])
{//parent is true let it be true in the augmented state.
initialState[AS] = true;
break;
}
}
}
}
foreach (var AS in Params.earlyAdopters)
initialState[AS] = true;//make sure early adopters are "on"
processedState.Add(initialState);
for (int i = 0; i < unprocessedState.Count; i++)
{
bool[] currS = unprocessedState[i];
//walk over stubs and re-evaluate their state.
foreach (UInt32 AS in stubs)
{
if (!big5.Contains(AS))
{
AsNode node = g.GetNode(AS);
currS[AS] = false;//default to false for this stub.
var parents = node.GetNeighborsByType(RelationshipType.CustomerOf).ToList<AsNode>();
// parents.AddRange(node.GetNeighborsByType(RelationshipType.PeerOf)); //don't turn on for peers
foreach (AsNode parent in parents)
{
if (currS[parent.NodeNum])
{//parent is true let it be true in the augmented state.
currS[AS] = true;
break;
}
}
}
}
foreach (var AS in Params.earlyAdopters)
currS[AS] = true;//make sure early adopters are "on"
processedState.Add(currS);
}
return processedState;
}
