private bool BelongsToSubnetwork(SNP SNPstart, SNP SNPend)
{
//sprawdza, czy ma taka pare na liscie
foreach (SubnetworkAddress subAddress in ContainedSubnetworksAddresses)
{
if (IPAddressExtensions.IsInSameSubnet(IPAddress.Parse(SNPstart.Address), IPAddress.Parse(SNPend.Address), subAddress.subnetMask))
{
return(true);
}
}
return(false);
}
public static CSocket GetSocketToDomain(string address)
{
IPAddress ipAddress = IPAddress.Parse(address);
SubnetworkAddress found = null;
foreach (SubnetworkAddress domainAddress in SocketsToAnotherDomains.Keys)
{
if (IPAddressExtensions.IsInSameSubnet(ipAddress, domainAddress.subnetAddress, domainAddress.subnetMask))
{
found = domainAddress;
}
}
return(createSocketToOtherDomain(found));
}
private SubnetworkAddress findSubnetworkWhereIsContained(IPAddress isContained)
{
IPAddress subnetAddress = null;
IPAddress subnetMask = null;
SubnetworkAddress subnetworkAddressWhereIsContained = null;
foreach (SubnetworkAddress address in subnetworks)
{
subnetAddress = address.subnetAddress;
subnetMask = address.subnetMask;
if (IPAddressExtensions.IsInSameSubnet(subnetAddress, isContained, subnetMask))
{
subnetworkAddressWhereIsContained = address;
}
}
return(subnetworkAddressWhereIsContained);
}
private bool ConnectionRequestOut(SNP pathBegin, SNP pathEnd)
{
LogClass.WhiteLog("[CC] Sending ConnectionRequestOut between ports: " + pathBegin.Address + " and " + pathEnd.Address);
//wysyla do cc poziom niżej wiadomosc connection request
IPAddress subnetworkAddress = null;
IPAddress subnetworkAddressMask = null;
foreach (SubnetworkAddress sub in ContainedSubnetworksAddresses)
{
if (IPAddressExtensions.IsInSameSubnet(sub.subnetAddress, IPAddress.Parse(pathBegin.Address), sub.subnetMask))
{
subnetworkAddress = sub.subnetAddress;
subnetworkAddressMask = sub.subnetMask;
}
}
SubnetworkAddress subnetAddress = new SubnetworkAddress(subnetworkAddress.ToString(), subnetworkAddressMask.ToString());
return(SubnetworkServer.SendConnectionRequest(pathBegin, pathEnd, subnetAddress));
}
public bool DeleteConnectionRequestOut(SNP pathBegin, SNP pathEnd)
{
LogClass.Log("[DEBUG] sending delete connection request out between " + pathBegin.Address + " and " + pathEnd.Address);
//wysyla do cc poziom niżej wiadomosc usuwaj jak szalony konik
IPAddress subnetworkAddress = null;
IPAddress subnetworkAddressMask = null;
foreach (SubnetworkAddress sub in ContainedSubnetworksAddresses)
{
if (IPAddressExtensions.IsInSameSubnet(sub.subnetAddress, IPAddress.Parse(pathBegin.Address), sub.subnetMask))
{
subnetworkAddress = sub.subnetAddress;
subnetworkAddressMask = sub.subnetMask;
}
}
SubnetworkAddress subnetAddress = new SubnetworkAddress(subnetworkAddress.ToString(), subnetworkAddressMask.ToString());
SubnetworkServer.SendConnectionRequest(pathBegin, pathEnd, subnetAddress);
return(true);
}
public bool PeerCoordinationIn(SNP pathBegin, string pathEnd)
{
LogClass.Log("[DEBUG] incoming peercoordination from" + pathBegin.Address + " to " + pathEnd);
string[] existingConnKey = new string[] { pathBegin.Address, pathEnd };
string beginAddressForDict = pathBegin.Address;
//Lista SNP dla tworzonego aktualnie polaczenia
List <SNP> SNPList = new List <SNP>();
//sprawdza, z ktorej domeny przyszedl SNP i podmienia jego adres na adres swojego SNPP brzegowego
foreach (SubnetworkAddress domainAddress in OtherDomainSNPPAddressTranslation.Keys)
{
if (IPAddressExtensions.IsInSameSubnet(IPAddress.Parse(pathBegin.Address), domainAddress.subnetAddress, domainAddress.subnetMask))
{
Tuple <IPAddress, IPAddress> foundTranslation = OtherDomainSNPPAddressTranslation[domainAddress].Find(x => x.Item1.ToString() == pathBegin.Address);
IPAddress translatedAddress = foundTranslation.Item2;
Console.WriteLine("TRANSALATED FROM" + pathBegin.Address + " TO " + translatedAddress.ToString());
pathBegin.Address = translatedAddress.ToString();
}
}
Console.WriteLine("DEFENITELY TRANSALATED TO " + pathBegin.Address);
//przepustowosc bierzemy z przekazanego SNP
SNPList.Add(new SNP(pathBegin.Label, pathBegin.Address, pathBegin.OccupiedCapacity, null, null));
SNPList.Add(new SNP(0, pathEnd, pathBegin.OccupiedCapacity, pathBegin.PathBegin, pathBegin.PathEnd));
//Zapamietaj SNPlist z polaczeniem mdzy takimi adresami
existingConnections.Add(existingConnKey, SNPList);
List <SNPP> SNPPList = RouteTableQuery(pathBegin.Address, pathEnd, pathBegin.OccupiedCapacity);
for (int index = 0; index < SNPPList.Count; index += 2)
{
SNPP SNPPpathBegin = SNPPList[index];
SNPP SNPPpathEnd = SNPPList[index + 1];
Tuple <SNP, SNP> SNPpair = LinkConnectionRequest(SNPPpathBegin, SNPPpathEnd, pathBegin.OccupiedCapacity);
SNPList.Add(SNPpair.Item1);
SNPList.Add(SNPpair.Item2);
}
//Wysłanie ConnectionRequesta do podsieci, jeżeli na liscie SNP zajdą się 2 adresy brzegowe tej podsieci
List <SNP> connected = new List <SNP>();
for (int index = 0; index < SNPList.Count - 1; index++)
{
SNP SNPpathBegin = SNPList[index];
for (int jndex = index + 1; jndex < SNPList.Count; jndex++)
{
SNP SNPpathEnd = SNPList[jndex];
if (BelongsToSubnetwork(SNPpathBegin, SNPpathEnd))
{
LogClass.WhiteLog("[DEBUG] Sending ConnectionRequest between" + SNPpathBegin.Address + SNPpathEnd.Deleting + "and" + SNPpathEnd.Address + SNPpathBegin.Deleting);
if (ConnectionRequestOut(SNPpathBegin, SNPpathEnd))
{
connected.Add(SNPpathBegin);
connected.Add(SNPpathEnd);
LogClass.Log("Subnetwork Connection set properly.");
}
else
{
connected.ForEach(x => x.Deleting = true);
for (int i = 0; i < connected.Count; i += 2)
{
DeleteLinkConnectionRequest(connected.ElementAt(i), connected.ElementAt(i + 1));
}
for (int i = 0; i < connected.Count; i += 2)
{
ConnectionRequestOut(connected.ElementAt(i), connected.ElementAt(i + 1));
LogClass.WhiteLog("[DEBUG] Sending DeleteConnectionRequest between" + SNPpathBegin.Address + SNPpathEnd.Deleting + "and" + SNPpathEnd.Address + SNPpathBegin.Deleting);
}
SubnetworkServer.callIgnoreLinkInRC(SNPpathBegin);
SubnetworkServer.callIgnoreLinkInRC(SNPpathEnd);
LogClass.Log("Epic fail.");
return(false);
}
}
}
}
return(true); //Jesli polaczenie zestawiono poprawnie
}
public bool DeleteConnection(string pathBegin, string pathEnd)
{
List <SNP> SNPList = null;
LogClass.Log("[DEBUG] deleting connection between" + pathBegin + " to " + pathEnd);
//new string[] { pathBegin, pathEnd }
foreach (string[] key in existingConnections.Keys)
{
if ((key[0] == pathBegin && key[1] == pathEnd) || (key[1] == pathBegin && key[0] == pathEnd))
{
SNPList = existingConnections[key];
}
}
//w kazdym SNP ustaw "deleting" na true
SNPList.ForEach(x => x.Deleting = true);
string PathEndAddressFromDifferentDomain = null;
//usuniecie alokacji w LRM
for (int index = 0; index < SNPList.Count; index += 2)
{
SNP SNPpathBegin = SNPList[index];
SNP SNPpathEnd = SNPList[index + 1];
DeleteLinkConnectionRequest(SNPpathBegin, SNPpathEnd);
}
//Wysłanie DeleteConnectionRequesta do podsieci, jeżeli na liscie SNP znajdą się 2 adresy brzegowe tej podsieci
for (int index = 0; index < SNPList.Count - 1; index++)
{
SNP SNPpathBegin = SNPList[index];
for (int jndex = index + 1; jndex < SNPList.Count; jndex++)
{
SNP SNPpathEnd = SNPList[jndex];
if (BelongsToSubnetwork(SNPpathBegin, SNPpathEnd))
{
if (ConnectionRequestOut(SNPpathBegin, SNPpathEnd))
{
LogClass.Log("Deleting " + SNPpathBegin.Address + " - " + SNPpathEnd.Address + " successful.");
}
else
{
LogClass.Log("Epic fail xD");
return(false);
}
}
}
}
//sprawdzamy, czy adres koncowy jest w naszej domenie
if (!IPAddressExtensions.IsInSameSubnet(IPAddress.Parse(pathEnd), IPAddress.Parse(SubnetworkAddress), IPAddress.Parse(SubnetworkMask)))
{
PathEndAddressFromDifferentDomain = pathEnd;
//TODO: sprawdz, czy ktorys z SNP ma adres SNPP brzegowego tej domeny
SNP lastSNPinThisDomain = null;
foreach (SNP snp in SNPList)
{
foreach (List <Tuple <IPAddress, IPAddress> > list in OtherDomainSNPPAddressTranslation.Values)
{
foreach (Tuple <IPAddress, IPAddress> tuple in list)
{
if (tuple.Item1.ToString() == snp.Address)
{
lastSNPinThisDomain = snp;
}
}
}
}
if (DeletePeerCoordinationOut(lastSNPinThisDomain, PathEndAddressFromDifferentDomain))
{
LogClass.Log("DeletePeerCoordination OK.");
}
else
{
LogClass.Log("PeerCoordination FAIL.");
};
}
return(true); //Jesli polaczenie zestawiono poprawnie
}
// % % % % % % % % % % % % % % % % % % % % % % % % % //
// %%%%%%%%%%%%%%%%% GŁOWNA METODA %%%%%%%%%%%%%%%%% //
// % % % % % % % % % % % % % % % % % % % % % % % % % //
public bool ConnectionRequestFromNCC(string pathBegin, string pathEnd, int capacity)
{
string PathEndAddressFromDifferentDomain = null;
string[] existingConnKey = new string[] { pathBegin, pathEnd };
//Lista SNP dla tworzonego aktualnie polaczenia
List <SNP> SNPList = new List <SNP>();
//zakladamy, ze adres poczatkowy zawsze jest w naszej domenie, jezeli dostalismy requesta od NCC
//dodaj SNP z labelem 0 dla poczatku sciezki
SNPList.Add(new SNP(0, pathBegin, capacity, pathBegin, pathEnd));
//sprawdzamy, czy adres koncowy jest w naszej domenie
if (!IPAddressExtensions.IsInSameSubnet(IPAddress.Parse(pathEnd), IPAddress.Parse(SubnetworkAddress), IPAddress.Parse(SubnetworkMask)))
{
PathEndAddressFromDifferentDomain = pathEnd;
//sprawdza, czy adres docelowy jest w innej podsieci i podmienia
foreach (SubnetworkAddress domainAddress in OtherDomainSNPPAddressTranslation.Keys)
{
if (!IPAddressExtensions.IsInSameSubnet(IPAddress.Parse(pathEnd), domainAddress.subnetAddress, domainAddress.subnetMask))
{
Random random = new Random();
List <Tuple <IPAddress, IPAddress> > translationsList = OtherDomainSNPPAddressTranslation[domainAddress];
Tuple <IPAddress, IPAddress> foundTranslation = translationsList[random.Next(translationsList.Count)];
IPAddress translatedAddress = foundTranslation.Item1;
pathEnd = translatedAddress.ToString();
}
}
}
LogClass.WhiteLog("[CC] RouteTableQuery called between: " + pathBegin + " and: " + pathEnd);
List <SNPP> SNPPList = RouteTableQuery(pathBegin, pathEnd, capacity);
if (SNPPList.Count > 0)
{
//dodaj SNP z labelem 0 dla konca sciezki
if (PathEndAddressFromDifferentDomain == null)
{
SNPList.Add(new SNP(0, pathEnd, capacity, pathBegin, pathEnd));
}
else
{
SNPP fakeSNPP = new SNPP(pathEnd, 0);
SNPPList.Add(fakeSNPP);
SNPPList.Add(fakeSNPP);
}
for (int index = 0; index < SNPPList.Count; index += 2)
{
SNPP SNPPpathBegin = SNPPList[index];
SNPP SNPPpathEnd = SNPPList[index + 1];
Tuple <SNP, SNP> SNPpair = LinkConnectionRequest(SNPPpathBegin, SNPPpathEnd, capacity);
if (SNPpair.Item1 != SNPpair.Item2)
{
SNPList.Add(SNPpair.Item1);
SNPList.Add(SNPpair.Item2);
}
else
{
SNPList.Add(SNPpair.Item1);
}
}
//Zapamietaj SNPlist z polaczeniem mdzy takimi adresami
existingConnections.Add(existingConnKey, SNPList);
//Wysłanie ConnectionRequesta do podsieci, jeżeli na liscie SNP zajdą się 2 adresy brzegowe tej podsieci
for (int index = 0; index < SNPList.Count - 1; index++)
{
SNP SNPpathBegin = SNPList[index];
for (int jndex = index + 1; jndex < SNPList.Count; jndex++)
{
SNP SNPpathEnd = SNPList[jndex];
if (BelongsToSubnetwork(SNPpathBegin, SNPpathEnd))
{
if (ConnectionRequestOut(SNPpathBegin, SNPpathEnd))
{
LogClass.Log("Subnetwork Connection set properly.");
}
else
{
LogClass.Log("Epic fail.");
return(false);
}
}
}
}
//Wyslanie PeerCoordination jezeli zestawiane polaczenie przebiega przez 2 domeny
if (PathEndAddressFromDifferentDomain != null)
{
//TODO: sprawdz, czy ktorys z SNP ma adres SNPP brzegowego tej domeny
SNP lastSNPinThisDomain = null;
foreach (SNP snp in SNPList)
{
foreach (List <Tuple <IPAddress, IPAddress> > list in OtherDomainSNPPAddressTranslation.Values)
{
foreach (Tuple <IPAddress, IPAddress> tuple in list)
{
if (tuple.Item1.ToString() == snp.Address)
{
lastSNPinThisDomain = snp;
lastSNPinThisDomain.PathBegin = pathBegin;
lastSNPinThisDomain.PathEnd = PathEndAddressFromDifferentDomain;
}
}
}
}
if (PeerCoordinationOut(lastSNPinThisDomain, PathEndAddressFromDifferentDomain))
{
LogClass.Log("PeerCoordination OK.");
}
else
{
LogClass.Log("PeerCoordination FAIL.");
};
}
}
if (SNPPList.Count > 0)
{
return(true); //Jesli polaczenie zestawiono poprawnie
}
else
{
return(false);
}
}