public static void Main()
{
// Timer start
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
// Initialize objects
AVLTree tree = new AVLTree();
string[] input_lines;
// Check if there's file to read
try
{
input_lines = File.ReadAllLines("instrukcje.txt");
}
catch
{
Console.WriteLine("There's no file to load!");
Console.ReadKey();
return;
}
// Check and execute commands from file
foreach (string line in input_lines)
{
string[] command = line.Split(' ');
// Add new Device to tree and create/modify Subnet
if (command[0] == "DK")
{
string subnetAddress = AddressOperator.ConvertAddressToSubnet(command[1]);
Device device = tree.SearchAndReturnDevice(tree.DeviceRoot, command[1]);
Subnet subnet = tree.SearchAndReturnSubnet(tree.DeviceRoot, subnetAddress);
// If there is no device and subnet, create both of them
if (device == null && subnet == null)
{
subnet = new Subnet(subnetAddress);
tree.DeviceRoot = tree.Add(tree.DeviceRoot, command[1], AddressOperator.ConvertAddressToInt(command[1]), subnet);
subnet.CountDevices++;
}
// If there is no device with that address but there is already subnet, create device, connect Subnet to it and iterate number of devices in subnet
else if (device == null && subnet != null)
{
tree.DeviceRoot = tree.Add(tree.DeviceRoot, command[1], AddressOperator.ConvertAddressToInt(command[1]), subnet);
subnet.CountDevices++;
}
}
// Delete specified device from the tree
if (command[0] == "UK")
{
Device device = tree.SearchAndReturnDevice(tree.DeviceRoot, command[1]);
// If device exists
if (device != null)
{
// So there exists subnet
Subnet subnet = device.Subnet;
// If there's only one computer in subnet, delete connections with other subnets and delete this subnet
if (subnet.CountDevices == 1)
{
// Delete connections from all subnets connected to this subnet
LinkedList <Subnet> tmp = new LinkedList <Subnet>();
int helper = 0;
foreach (Connection connection in subnet.ConnectedSubnets)
{
helper++;
tmp.AddLast(connection.DestSubnet);
}
for (int i = 0; i < helper; i++)
{
Graph.Disconnect(tmp.Last(), subnet);
tmp.RemoveLast();
}
// Delete this Subnet
device.Subnet = null;
// Delete this Device
tree.DeviceRoot = tree.Delete(tree.DeviceRoot, device.Address, device.AddressInt);
}
// If there's more then one device in this Subnet then delete destination Device
else
{
tree.DeviceRoot = tree.Delete(tree.DeviceRoot, command[1], AddressOperator.ConvertAddressToInt(command[1]));
subnet.CountDevices--;
}
}
}
// Search for device and write "NIE" for no device and "TAK" if device exists
if (command[0] == "WK")
{
Console.WriteLine(tree.CheckIfDeviceExists(tree.DeviceRoot, command[1]));
}
// Check how many devices belong to specific subnet and write the number
if (command[0] == "LK")
{
String adres = command[1] + ".0"; // + ".0" ponieważ w pliku podaje się tylko 3 pierwsze oktety, następuje ręczne dodanie czwartego w celu poprawnego działania
Console.WriteLine(tree.HowManyInSubnet(tree.DeviceRoot, adres));
}
// Display Device tree
if (command[0] == "WY")
{
Console.WriteLine("Drzewo urządzeń");
tree.Display(tree.DeviceRoot, 0);
}
// Add Connection between Subnets
if (command[0] == "DP")
{
Subnet komputerA = tree.SearchAndReturnSubnet(tree.DeviceRoot, command[1] + ".0"); // Source Subnet
Subnet komputerB = tree.SearchAndReturnSubnet(tree.DeviceRoot, command[2] + ".0"); // Target Subnet
// If there is no source or target Subnet, write "NIE"
if (komputerA == null || komputerB == null)
{
Console.WriteLine("NIE");
}
// Else
else
{
// Calculate capacity
int capacity = 0;
char p = command[3].Last();
command[3] = command[3].Remove(command[3].Length - 1);
if (p == 'M')
{
capacity = 100000 / Convert.ToInt32(command[3]);
}
else if (p == 'G')
{
capacity = 100 / Convert.ToInt32(command[3]);
}
// Create Connection between Subnets
Graph.Connect(komputerA, komputerB, capacity);
}
}
// Delete Connection between Subnets
if (command[0] == "UP")
{
Subnet komputerA = tree.SearchAndReturnSubnet(tree.DeviceRoot, command[1] + ".0"); // Source Subnet
Subnet komputerB = tree.SearchAndReturnSubnet(tree.DeviceRoot, command[2] + ".0"); // Target Subnet
// If source or target Subnet don't exist, write "NIE"
if (komputerA == null || komputerB == null)
{
Console.WriteLine("NIE");
}
// Else
else
{
Graph.Disconnect(komputerA, komputerB);
}
}
// Calculate the best routing route between subnets
if (command[0] == "NP")
{
String adres1 = AddressOperator.ConvertAddressToSubnet(command[1]);
String adres2 = AddressOperator.ConvertAddressToSubnet(command[2]);
Subnet komputerA = tree.SearchAndReturnSubnet(tree.DeviceRoot, adres1); // Source Subnet
Subnet komputerB = tree.SearchAndReturnSubnet(tree.DeviceRoot, adres2); // Target Subnet
// If target or source Subnet don't exist, write "NIE"
if (komputerA == null || komputerB == null)
{
Console.WriteLine("NIE");
}
// Else, find best route
else
{
Graph.FindFastestRoute(tree.DeviceRoot, komputerA, komputerB);
}
}
} // End - Foreach
// Stop timer
stopWatch.Stop();
// Format and Display elapsed time
TimeSpan ts = stopWatch.Elapsed;
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds);
Console.WriteLine("Czas: " + elapsedTime);
Console.ReadKey();
}