public Route(Subnet subnet, RouterPort routerPort, IPv4Address gateway = null, IPv4Address src = null)
{
this.gateway = gateway;
this.Subnet = subnet;
this.RouterPort = routerPort;
this.src = src;
if (src != null && gateway != null)
{
throw new ArgumentException("Can't have source and gateway simultaneously");
}
}
public GameEngine(Dispatcher dispatcher, int numberOfInterfaces = NUMBER_OF_INTERFACES)
{
var randomAddresses = GenerateRandomInterfaceAddresses(numberOfInterfaces);
for (int a = 0; a < numberOfInterfaces; a++)
{
var rp = new RouterPort(a);
rp.AddIPv4Address(randomAddresses[a]);
Ports.Add(a, rp);
}
RoutingTable = GenerateRandomRoutingTableAndAddConnectedRoutes(NUMBER_OF_ROUTES, Ports);
this.dispatcher = dispatcher;
this.numberOfInterfaces = numberOfInterfaces;
this.ownMAC = Helper.GenerateRandomMAC();
foreach (var route in RoutingTable)
{
if (route.IsDefaultRoute())
{
continue;
}
var hostAddr = route.Subnet.GetHostMin().GetAddress();
var skip = 1;
var upperRandValue = 30 - route.Subnet.Mask;
var lowerRandValue = 1;
if (route.Subnet.Mask < 24)
{
lowerRandValue = 4 + (24 - route.Subnet.Mask);
}
Random r = new Random();
while (hostAddr.CompareTo(route.Subnet.GetBroadcast()) > 0)
{
listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Add(hostAddr);
hostAddr = hostAddr.IncrementBy(skip);
skip += r.Next(lowerRandValue, upperRandValue);
}
}
var numberOfPublicIPAddressToAdd = listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Count / 10 + 10;
for (int a = 0; a < numberOfPublicIPAddressToAdd; a++)
{
var randAddr = GetRandomPublicIPv4Subnet().GetAddress();
if (!listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Contains(randAddr))
{
listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Add(randAddr);
}
}
Random rand = new Random();
var numberOfMixes = listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Count * 30;
for (int a = 0; a < numberOfMixes; a++)
{
var index = rand.Next(0, listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Count - 1);
var value = listOfAddrInNearbySubnetsAndAFewRandomPublicIPs[index];
listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.RemoveAt(index);
listOfAddrInNearbySubnetsAndAFewRandomPublicIPs.Add(value);
}
}