static void Main(string[] args)
{
System.Timers.Timer timer = new System.Timers.Timer(100); //timer updating progress percentage
timer.Elapsed += async(sender, e) => await HandleTimer();
IP FirstIP = null, LastIP = null;
int Timeout = 0;
//checking if any arguments were passed
if (args != null)
{
IP.TryParse((from a in args where a.Substring(0, 2) == "-f" select a.Substring(2)).FirstOrDefault(), out FirstIP);
IP.TryParse((from a in args where a.Substring(0, 2) == "-l" select a.Substring(2)).FirstOrDefault(), out LastIP);
Int32.TryParse((from a in args where a.Substring(0, 2) == "-t" select a.Substring(2)).FirstOrDefault(), out Timeout);
}
while (PingCount < 0) //can continue only when FirstIP is lower than LastIP
{
while (FirstIP == null)
{
Console.WriteLine("First IP Address: ");
IP.TryParse(Console.ReadLine(), out FirstIP);
if (FirstIP == null)
{
Console.WriteLine("Enter correct IP address");
}
}
while (LastIP == null)
{
Console.WriteLine("Last IP address: ");
IP.TryParse(Console.ReadLine(), out LastIP);
if (LastIP == null)
{
Console.WriteLine("Enter correct IP address");
}
}
PingCount = LastIP - FirstIP;
if (PingCount < 0)
{
Console.WriteLine("First IP address must be lower than last");
FirstIP = null;
LastIP = null;
}
}
while (Timeout <= 0) //can continue only if Timeout is higher than 0
{
Console.WriteLine("Ping timeout [ms]: ");
Int32.TryParse(Console.ReadLine(), out Timeout);
if (Timeout <= 0)
{
Console.WriteLine("Enter positive integer value");
}
}
statuses = new ConcurrentBag <IPStat>();
CurPos = Console.CursorTop;
timer.Start();
IP[] addresses = IP.GetArray(FirstIP, LastIP); //creating array with IPs to ping
//pinging IPs
Parallel.ForEach(addresses, ip =>
{
Ping pingSender = new Ping();
PingReply reply = pingSender.Send(ip, Timeout);
if (reply.Status == IPStatus.Success)
{
IPStat ipStat;
try //if reply is recieved, trying to get HostName
{
IPHostEntry hostEntry = Dns.GetHostEntry(ip);
ipStat = new IPStat(ip, true, reply.RoundtripTime.ToString(), hostEntry.HostName.ToString());
}
catch
{
ipStat = new IPStat(ip, true, reply.RoundtripTime.ToString());
}
statuses.Add(ipStat);
}
else
{
statuses.Add(new IPStat(ip, false));
}
});
var statusesSorted = from s in statuses orderby s.ip select s; //sorting IPStats by IP
Console.WriteLine();
timer.Stop();
timer.Dispose();
Console.SetCursorPosition(0, CurPos);
Console.WriteLine(" ");
Console.WriteLine(String.Format("{0,-18}{1,-18}{2,-10}{3,-60}", "IP address", "Reply", "Time", "Name")); //table header
foreach (var s in statusesSorted) //building table
{
Console.WriteLine(s.ShowStat());
}
Console.ReadLine();
}