public string pathAnalysis(string path, ref Destination dest)
{
int pathExists;
int pathViolate = 0;
int GR = 0;
int bestrln = 0;
int shortest = 0;
int bucket;
List<UInt32> relPath = new List<UInt32>();
//Check if path exists from best new and make a relPath
string[] asPath = path.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
UInt32 AS;
UInt32.TryParse(asPath[0], out AS);
if (dest.BestNew[AS] != null)
{
pathExists = 1;
UInt32 first = (UInt32)((AS << 3) + Destination._NOREL);
relPath.Add(first);
for (int i = 0; i < (asPath.Length - 1); i++)
{
int asNum, asTo;
int.TryParse(asPath[i], out asNum);
int.TryParse(asPath[i + 1], out asTo);
if (dest.BestNew[asNum] != null)
{
UInt32 encoded0 = (UInt32)((asTo << 3) + Destination._PROVIDERCOLUMN);
UInt32 encoded1 = (UInt32)((asTo << 3) + Destination._CUSTOMERCOLUMN);
UInt32 encoded2 = (UInt32)((asTo << 3) + Destination._PEERCOLUMN);
UInt32 encoded3 = (UInt32)((asTo << 3) + Destination._NOREL);
if (dest.BestNew[asNum].Exists(element => element == encoded0))
{
relPath.Add(encoded0);
}
else if (dest.BestNew[asNum].Exists(element => element == encoded1))
{
relPath.Add(encoded1);
}
else if (dest.BestNew[asNum].Exists(element => element == encoded2))
{
relPath.Add(encoded2);
}
else if (dest.BestNew[asNum].Exists(element => element == encoded3))
{
relPath.Add(encoded3);
}
else
{
pathExists = 0;
break;
}
// Now do perform a sanity check
int size = relPath.Count;
int rel, prevRel;
UInt32 temp;
dest.unjoin(relPath[size - 1], out temp, out rel);
dest.unjoin(relPath[size - 2], out temp, out prevRel);
if ((rel == Destination._PEERCOLUMN && prevRel == Destination._CUSTOMERCOLUMN) || (prevRel == Destination._PEERCOLUMN && rel == Destination._PROVIDERCOLUMN) || (prevRel == Destination._PEERCOLUMN && rel == Destination._PEERCOLUMN) || (prevRel == Destination._CUSTOMERCOLUMN && (rel == Destination._PEERCOLUMN || rel == Destination._PROVIDERCOLUMN)))
{
pathViolate = 1;
pathExists = 0;
break;
}
}
else
{
pathExists = 0;
break;
}
}
}
else
{
pathExists = 0;
}
//GR path and compare
string GR_string = dest.GetPathCommaSep(AS);
if (pathAvailable_GR(path, ref dest.Best) && (pathExists == 1))
{
GR = 1;
}
//if not GR check for best rel
if ((GR == 0) && (pathExists == 1))
{
bestrln = 1;
for (int j = 0; j < (relPath.Count - 1); j++)
{
UInt32 fromAS, tempAS;
int rel, temprel, bestRelation;
dest.unjoin(relPath[j], out fromAS, out temprel);
dest.unjoin(relPath[j + 1], out tempAS, out rel);
bestRelation = bestrel(fromAS, ref dest);
if (bestRelation == -1) { throw new Exception(); }
if (rel > bestRelation)
{
bestrln = 0;
break;
}
}
}
//Check for shortest
if ((GR == 0) && (bestrln == 0) && (pathExists == 1))
{
shortest = 1;
for (int i = 1; i < asPath.Length; i++)
{
List<List<UInt32>> allPaths = new List<List<UInt32>>();
List<UInt32> pathNew = new List<UInt32>();
UInt32 first = (UInt32)((AS << 3) + Destination._NOREL);
pathNew.Add(first);
//Console.Out.WriteLine("Checking length: " + i);
if (dest.pathoflength(AS, dest.destination, ref allPaths, pathNew, i))
{
shortest = 0;
//Console.Out.WriteLine(i + " BHORSI KA: " + allPaths.Count + " " + dest.pathString(allPaths[0]));
break;
}
}
}
//space seperated: path bucket
//bucket -1 -> Export Violation
//bucket 0 -> Missing Link
//bucket 1 -> GR
//bucket 2 -> Best Relation
//bucket 3 -> Shortest
//bucket 4 -> None but doesnt violate export
if (pathExists == 1)
{
if (GR == 1)
{
bucket = 1;
}
else if (bestrln == 1)
{
bucket = 2;
}
else if (shortest == 1)
{
bucket = 3;
}
else
{
bucket = 4;
}
}
else
{
if (pathViolate == 1)
{
bucket = -1;
}
else
{
bucket = 0;
}
}
//Console.Out.WriteLine(path + " " + bucket);
//Console.WriteLine("Path: " + dest.pathString(relPath) + "\n" + GR_string + " Exitsts: " + pathExists + " GR: " + GR + " BestReln: "+ bestrln + " Shortest: " + shortest + " Violate: " + pathViolate);
return path + " " + bucket;
}
public string pathAnalysis(string path, ref Destination dest, ref TextWriter Missing, ref TextWriter randomFile, ref TextWriter ViolationType)
{
int pathExists;
int pathViolate = 0;
int GR = 0;
int bestrln = 0;
int bestrlnHop = 0;
int shortest = 0;
int shortestHop = 0;
int shortestLen = 0;
int bucket;
List<UInt32> relPath = new List<UInt32>();
//Check if path exists from best new and make a relPath
string[] asPath = path.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
UInt32 AS;
UInt32.TryParse(asPath[0], out AS);
if (dest.BestNew[AS] != null)
{
pathExists = 1;
UInt32 first = (UInt32)((AS << 3) + Destination._NOREL);
relPath.Add(first);
for (int i = 0; i < (asPath.Length - 1); i++)
{
int asNum, asTo;
int.TryParse(asPath[i], out asNum);
int.TryParse(asPath[i + 1], out asTo);
if (dest.BestNew[asNum] != null)
{
UInt32 encoded0 = (UInt32)((asTo << 3) + Destination._PROVIDERCOLUMN);
UInt32 encoded1 = (UInt32)((asTo << 3) + Destination._CUSTOMERCOLUMN);
UInt32 encoded2 = (UInt32)((asTo << 3) + Destination._PEERCOLUMN);
UInt32 encoded3 = (UInt32)((asTo << 3) + Destination._NOREL);
if (dest.BestNew[asNum].Exists(element => element == encoded0))
{
relPath.Add(encoded0);
}
else if (dest.BestNew[asNum].Exists(element => element == encoded1))
{
relPath.Add(encoded1);
}
else if (dest.BestNew[asNum].Exists(element => element == encoded2))
{
relPath.Add(encoded2);
}
else if (dest.BestNew[asNum].Exists(element => element == encoded3))
{
relPath.Add(encoded3);
}
else
{
pathExists = 0;
break;
}
// Now do perform a sanity check
int size = relPath.Count;
int rel, prevRel;
UInt32 temp;
dest.unjoin(relPath[size-1], out temp, out rel);
dest.unjoin(relPath[size-2], out temp, out prevRel);
if ((rel == Destination._PEERCOLUMN && prevRel == Destination._CUSTOMERCOLUMN) || (prevRel == Destination._PEERCOLUMN && rel == Destination._PROVIDERCOLUMN) || (prevRel == Destination._PEERCOLUMN && rel == Destination._PEERCOLUMN) || (prevRel == Destination._CUSTOMERCOLUMN && (rel == Destination._PEERCOLUMN || rel == Destination._PROVIDERCOLUMN)))
{
pathViolate = 1;
pathExists = 0;
ViolationType.WriteLine(pathString(relPath));
ViolationType.Flush();
break;
}
}
else
{
pathExists = 0;
break;
}
}
}
else
{
pathExists = 0;
}
//Check hop count for missing link
/*
if(pathExists == 0)
{
int hopsfromend = 0, hopsfromstart = 0;
string tempPath = "";
for (int i = 1; i < asPath.Length; i++)
{
tempPath = "";
for (int j = asPath.Length - i; j < asPath.Length; j++)
{
if (j == (asPath.Length - 1))
{ tempPath = tempPath + asPath[j]; }
else { tempPath = tempPath + asPath[j] + ","; }
}
//Check if path exists
if(!pathAvailable(tempPath, dest.BestNew))
{
hopsfromend = i;
hopsfromstart = asPath.Length - i;
break;
}
else
{
hopsfromend = i;
hopsfromstart = asPath.Length - i;
}
}
Missing.WriteLine(hopsfromstart + " " + hopsfromend);
Missing.Flush();
}
*/
//GR path and compare
string GR_string = dest.GetPathCommaSep(AS);
if (pathAvailable_GR(path, ref dest.Best) && (pathExists == 1))
{
GR = 1;
}
//if not GR check for best rel
if ((GR == 0) && (pathExists == 1))
{
bestrln = 1;
for (int j = 0; j < (relPath.Count - 1); j++)
{
UInt32 fromAS, tempAS;
int rel, temprel, bestRelation;
dest.unjoin(relPath[j], out fromAS, out temprel);
dest.unjoin(relPath[j+1], out tempAS, out rel);
bestRelation = bestrel(fromAS, ref dest);
if (bestRelation == -1) { throw new Exception(); }
if (rel > bestRelation)
{
bestrln = 0;
break;
}
}
}
//checking for bestRl for first hop
if (1 == 1) {
bestrlnHop = 1;
UInt32 fromAS, tempAS;
int rel, temprel, bestRelation;
dest.unjoin (relPath [0], out fromAS, out temprel);
dest.unjoin (relPath [1], out tempAS, out rel);
bestRelation = bestrel (fromAS, ref dest);
if (bestRelation == -1) {
throw new Exception ();
}
if (rel > bestRelation) {
bestrlnHop = 0;
}
}
//Check for shortest
if ((GR == 0) && (bestrln == 0) && (pathExists == 1)) {
shortest = 1;
shortestLen = asPath.Length -1; // to correct for the next comment
for (int i = 1; i < asPath.Length-1; i++) { //i=1 essentially means checking for path length 2, therefore the -1
List<List<UInt32>> allPaths = new List<List<UInt32>> ();
List<UInt32> pathNew = new List<UInt32> ();
UInt32 first = (UInt32)((AS << 3) + Destination._NOREL);
pathNew.Add (first);
//Console.Out.WriteLine("Checking length: " + i);
if (dest.pathoflength (AS, dest.destination, ref allPaths, pathNew, i)) {
shortest = 0;
shortestLen = i;
if (shortestLen == 1) {
shortest = 1;
}
//Console.Out.WriteLine ("Path length: " + asPath.Length);
//Console.Out.WriteLine(i + " shortest: " + shortest+ " B KA: " + allPaths.Count + " " + dest.pathString(allPaths[0]));
break;
}
}
} else { // Added to compute shortest lenght path for all buckets and for per hop shortest
shortestLen = asPath.Length-1;
for (int i = 1; i < asPath.Length; i++) {
List<List<UInt32>> allPaths = new List<List<UInt32>> ();
List<UInt32> pathNew = new List<UInt32> ();
UInt32 first = (UInt32)((AS << 3) + Destination._NOREL);
pathNew.Add (first);
//Console.Out.WriteLine ("Checking : " + i);
if (dest.pathoflength (AS, dest.destination, ref allPaths, pathNew, i)) {
shortestLen = i;
break;
}
}
}
shortestLen = shortestLen + 1; //shortestLen is now the number of AS in shortest path
if (shortestLen == asPath.Length) {
shortestHop = 1;
}
//space seperated: path bucket
//bucket -1 -> Export Violation
//bucket 0 -> Missing Link
//bucket 1 -> GR
//bucket 2 -> Best Relation
//bucket 3 -> Shortest
//bucket 4 -> None but doesnt violate export
if (pathExists == 1)
{
if (GR == 1)
{
bucket = 1;
}
else if (bestrln == 1)
{
bucket = 2;
}
else if (shortest == 1)
{
bucket = 3;
}
else
{
bucket = 4;
//Console.WriteLine("Difference: " + (asPath.Length - shortestLen) + "\n Length: " + asPath.Length + "\nShortest: " + shortestLen);
//ShortestDiff.WriteLine((asPath.Length - shortestLen));
//ShortestDiff.Flush();
}
}
else
{
if (pathViolate == 1)
{
bucket = -1;
}
else
{
bucket = 0;
}
}
//Console.Out.WriteLine(path + " " + bucket);
// Format: Original Path | Bucket | GR Path | Shortest Length | lastHop info : BestRln+Shortest
randomFile.WriteLine(dest.pathString(relPath) + "|" + bucket + "|" + dest.GetPath(AS) + "|" + shortestLen + "|" + bestrlnHop + "" + shortestHop);
randomFile.Flush();
//Console.WriteLine("Path: " + dest.pathString(relPath) + "\n" + GR_string + " Exitsts: " + pathExists + " GR: " + GR + " BestReln: "+ bestrln + " Shortest: " + shortest + " Violate: " + pathViolate + "\n");
return path + " " + bucket;
}