public void ReadingFromSnAndRCsFile(string path)
{
string line;
char[] delimiterChars = { '#' };
string[] words;
SubNetworkPointPool snpp;
SNandRC sNandRc;
try
{
using (StreamReader file = new StreamReader(path))
{
while ((line = file.ReadLine()) != null)
{
words = line.Split(delimiterChars);
sNandRc = new SNandRC(words[1], words[0]);
this.SN_RCs.Add(sNandRc);
}
}
}
catch (Exception e)
{
Console.WriteLine("Cannot read from file");
}
}
public bool resolveSNPPS(ref NetworkPath networkPath, short band, short frequency)
{
//topology.getNetworkPath();
foreach (var snpp in networkPath.snpps)
{
//if (canIGoOnAtThisFrequency)
//{
SNandRC sNandRc = SN_RCs.Find(x => x.snpp.snps[0].ipaddress.ToString() == snpp.snps[0].ipaddress.ToString());
if (sNandRc != null)
{
//IP węzła modelującego podsieć
string oldNodeIP = sNandRc.snpp.snps[0].ipaddress.ToString();
//Łącze dochodzące do węzła modelującego podsieć
int previousLink = networkPath.path.KrawedzieSciezki.FindIndex(x =>
x.Wezel2.ip == oldNodeIP);
//Łącze wychodzące z węzła modelującego podsieć
int nextLink = networkPath.path.KrawedzieSciezki.FindIndex(x =>
x.Wezel1.ip == oldNodeIP);
Wezel w1 = networkPath.path.zwroc_ListaKrawedziSciezki[previousLink].Wezel1;
Wezel w2 = networkPath.path.zwroc_ListaKrawedziSciezki[nextLink].Wezel2;
SubNetworkPointPool SNPPFrom = new SubNetworkPointPool(new SubNetworkPoint(IPAddress.Parse(w1.ip)));
SubNetworkPointPool SNPPTo = new SubNetworkPointPool(new SubNetworkPoint(IPAddress.Parse(w2.ip)));
// writeLog("Resolving path from " + SNPPFrom.snps[0].ipaddress + " to " + SNPPTo.snps[0].ipaddress);
//Czesciowa sciezka, którą trzeba dodać do nadścieżki
var partOfThePath = this.getPathFromRC(sNandRc.RC_IP.ToString(), SNPPFrom, SNPPTo, band,
frequency);
//Sciezka jest pusta
if (partOfThePath == null || partOfThePath.snpps.Count == 0)
{
//canIGoOnAtThisFrequency = false;
return(false);
}
//Ścieżka jest niepusta
else
{
//insertSubPath(ref networkPath, partOfThePath, previousLink, nextLink);
return(true);
}
}
}
//}
return(true);
}
/// <summary>
/// Próbuje wyznaczyć ścieżkę od częstotliwości początkowej do końcowej.
/// </summary>
/// <param name="pathFrom"></param>
/// <param name="pathTo"></param>
/// <param name="bitRate"></param>
/// <param name="hopsNumber"></param>
/// <param name="startFrequency"></param>
/// <param name="endFrequency"></param>
public void determineAndSendPath(string ccIP, string pathFrom, string pathTo, short bitRate, short hopsNumber, short startFrequency,
short endFrequency)
{
short modulationPerformance = BorderNodeCommutationTable.determineModulationPerformance(hopsNumber);
short band = BorderNodeCommutationTable.determineBand(bitRate, modulationPerformance);
//Odnalezienie wezlow poczatkowych i koncowych. Indeksy tez sie przydadza
int wFromIndex = this.topology.network.wezly.FindIndex(x => x.ip.ToString() == pathFrom);
int wToIndex = this.topology.network.wezly.FindIndex(x => x.ip.ToString() == pathTo);
Wezel wFrom = this.topology.network.wezly[wFromIndex];
Wezel wTo = this.topology.network.wezly[wToIndex];
//Lista strukturek reprezentujących podsieci, do których trzeba się zgłosić
List <SNandRC> sNandRcs = new List <SNandRC>();
//Czy lista jest kompletna?
bool sNandRcsComplete = false;
NetworkPath networkPath = new NetworkPath();
//Zapuszczenie algorytmu najkrotszej sciezki
this.topology.runShortestPathAlgorithm();
if (wFrom != null && wTo != null)
{
for (short i = startFrequency; i < endFrequency; i++)
{
//Wyznaczenie nadścieżki
networkPath = topology.getNetworkPath(wFrom.SNPP,
wTo.SNPP, band, topology.network, i);
if (networkPath == null || networkPath.snpps.Count == 0)
{
continue;
}
//Uzupełnienie listy z wyszukanymi węzłami
if (!sNandRcsComplete)
{
foreach (var snpp in networkPath.snpps)
{
//Wyszukiwanie węzłów, które reprezentują podsieci i do których RC trzeba się zwrócić.
SNandRC sNandRc = SN_RCs.Find(x => x.snpp.snps[0].ipaddress.ToString() == snpp.snps[0].ipaddress.ToString());
if (sNandRc != null)
{
sNandRcs.Add(sNandRc);
}
}
sNandRcsComplete = true;
}
if (resolveSNPPS(ref networkPath, band, i))
{
SendMessage(ccIP, generateRouteTableQueryResponse(networkPath));
break;
}
}
//Dodanie do listy potencjalnych sciezek, o ile nie jest pusta
if (networkPath.snpps.Count != 0)
{
this.topology.pathsCopy.Add(networkPath);
}
}
}
