private void calculate()
{
if (Adress != null)
{
this.subnetMask = this.Adress.BuildNewSubnetMask(this.net);
this.networkAdress = this.Adress.BuildNetworkAdress();
// ------------------------------------------------------------
this.hostAdresses = this.Adress.BuildSubnetAdresses(this.net);
this.firstHostAdresses = this.Adress.BuildFirstAdresses(this.net);
this.lastHostAdresses = this.Adress.BuildLastNetAdress(this.net);
this.broadcastAdresses = this.Adress.BuildBroadcastAdress(this.net);
// ------------------------------------------------------------
}
}
public Subnet(IPAdress Adress, int net)
{
this.Adress = Adress;
this.Net = net;
}
private void fOct_ValueChanged(object sender, EventArgs e)
{
this.currentIPAdress = new Classes.IPAdress((int)fOct.Value, (int)sOct.Value, (int)tOct.Value, (int)foOct.Value, (int)this.subMask.Value);
this.lblIPAdress.Text = "IP-Adresse: " + this.currentIPAdress.ToString() + "/" + this.subMask.Value + " @ " + (int)this.nets.Value + " Netze";
}
public frmMain()
{
InitializeComponent();
this.currentIPAdress = new Classes.IPAdress(192, 168, 2, 100, 8);
this.mySubnet = new Classes.Subnet(this.currentIPAdress, 16);
}
public IPAdress BuildNewSubnetMask(int net)
{
// Get bits for this network
int bits = GetBitsFromNet(net);
IPAdress currentAdress = new IPAdress(this.FOct, this.SOct, this.TOct, this.FoOct, this.mask); // this.mask + bits
Bit[] ip = new Bit[32];
for (int i = 0; i <= 32 - 1; i++)
ip[i] = new Bit(1);
Bit[] subNet = new Bit[32];
for (int i = 0; i <= 32 - 1; i++)
subNet[i] = (i <= currentAdress.mask - 1 ? new Bit(1) : new Bit(0));
Bit[] finalIP = linkAnd(ip, subNet);
return this.BuildIPAdressFromBit(finalIP, currentAdress.mask);
}
private IPAdress BuildIPAdressFromBit(Bit[] value, int mask)
{
IPAdress currentAdress = new IPAdress(10, 10, 10, 10, mask);
int currentOct = 0;
int otherCounter = 0;
var lst = currentAdress.getBitArraysAsList();
for (int i = 1; i <= value.Length; i++)
{
if (i % 8 == 0)
{
lst[currentOct][otherCounter] = value[i - 1];
currentOct++;
otherCounter = 0;
}
else
{
lst[currentOct][otherCounter] = value[i - 1];
otherCounter++;
}
}
for (int f = 0; f <= lst.Count - 1; f++)
{
string currentStr = string.Empty;
for (int b = 0; b <= lst[f].Length - 1; b++)
{ currentStr += lst[f][b].Value; }
if (f == 0)
currentAdress.FOct = Convert.ToInt32(currentStr, 2);
else if (f == 1)
currentAdress.SOct = Convert.ToInt32(currentStr, 2);
else if (f == 2)
currentAdress.TOct = Convert.ToInt32(currentStr, 2);
else if (f == 3)
currentAdress.FoOct = Convert.ToInt32(currentStr, 2);
}
return currentAdress;
}
