/// <summary>
/// Stores graph drawing loop
/// </summary>
private void Draw()
{
// Start ping in background thread
Thread pinger = new Thread(() => graphPing.Send(graphPingAttrs));
pinger.IsBackground = true;
pinger.Start();
running = true;
// Drawing loop
while (true)
{
// Stop look if we get a cancel flag
if (cancelFlag)
{
break;
}
// Reset position
Console.CursorTop = plotStartY;
Console.CursorLeft = plotStartX;
// Draw graph columns
DrawGraphColumns();
// Update labels
UpdateLabels(graphPing.Results);
// Get results from ping and add to graph
AddColumnToGraph(CreateColumn(graphPing.Results.CurTime));
Console.CursorTop = EndCursorPosY;
// Wait one second
Thread.Sleep(1000);
}
// Clean up
running = false;
graphPing.Dispose();
pinger.Abort();
}
/// <summary>
/// Sends high volume of ping packets
/// </summary>
public void Flood(string address)
{
PingAttributes attrs = new PingAttributes();
Ping p = new Ping();
// Verify address
attrs.Address = PowerPing.Lookup.QueryDNS(address, AddressFamily.InterNetwork);
// Setup ping attributes
attrs.Interval = 0;
attrs.Timeout = 100;
attrs.Message = "R U Dead Yet?";
attrs.Continous = true;
// Disable output for faster speeds
Display.ShowOutput = false;
// Start flood thread
var thread = new Thread(() => {
p.Send(attrs);
});
thread.IsBackground = true;
thread.Start();
IsRunning = true;
// Results loop
while (IsRunning)
{
// Update results text
Display.FloodProgress(p.Results, address);
// Wait before updating (save our CPU load) and check for cancel event
if (cancelEvent.WaitOne(1000))
{
break;
}
}
// Cleanup
IsRunning = false;
p.Dispose();
thread.Abort();
// Display results
Display.PingResults(p);
}
/// <summary>
/// Runs when Exit or Cancel event fires (normally when Ctrl-C)
/// is pressed. Used to clean up and stop operations when exiting
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void ExitHandler(object sender, ConsoleCancelEventArgs args)
{
// Cancel termination
args.Cancel = true;
// Stop ping
p.Dispose();
// Stop graph if it is running
if (g != null)
{
g.Dispose();
}
// Reset console colour
Display.ResetColor();
Console.CursorVisible = true;
}
