private static void DisplayTcpReply(Probe pingItem, bool isPortOpen, int portnumber, int errorCode, long elapsedTime)
{
if (pingItem.Thread.CancellationPending)
{
return;
}
// Prefix the ping reply output with a timestamp.
var pingOutput = new StringBuilder($"[{DateTime.Now.ToLongTimeString()}] Port {portnumber.ToString()}: ");
if (isPortOpen)
{
pingOutput.Append("OPEN [" + elapsedTime.ToString() + "ms]");
}
else
{
pingOutput.Append("CLOSED");
}
// Add response to the output window.
Application.Current.Dispatcher.BeginInvoke(
new Action(() => pingItem.AddHistory(pingOutput.ToString())));
// If logging is enabled, write the response to a file.
if (ApplicationOptions.IsLogOutputEnabled && ApplicationOptions.LogPath.Length > 0)
{
var index = pingItem.Hostname.IndexOf(':');
var hostname = (index > 0) ? pingItem.Hostname.Substring(0, index) : pingItem.Hostname;
var logPath = $@"{ApplicationOptions.LogPath}\{hostname}.txt";
using (System.IO.StreamWriter outputFile = new System.IO.StreamWriter(@logPath, true))
{
outputFile.WriteLine(pingOutput.ToString().Insert(1, DateTime.Now.ToShortDateString() + " "));
}
}
}
public static void StartStop(Probe probe)
{
if (string.IsNullOrEmpty(probe.Hostname))
{
return;
}
if (!probe.IsActive)
{
probe.IsActive = true;
if (probe.Thread != null)
{
probe.Thread.CancelAsync();
}
// TODO:
//if (pingItem.Hostname != null && _Aliases.ContainsKey(pingItem.Hostname))
// pingItem.Alias = _Aliases[pingItem.Hostname];
probe.StatisticsText = string.Empty;
probe.History = new ObservableCollection <string>();
probe.AddHistory($"*** Pinging {probe.Hostname}:");
probe.Thread = new BackgroundWorker();
probe.ThreadResetEvent = new AutoResetEvent(false);
if (probe.Hostname.Count(f => f == ':') == 1)
{
probe.Thread.DoWork += new DoWorkEventHandler(Thread_PerformTcpProbe);
}
else
{
probe.Thread.DoWork += new DoWorkEventHandler(Thread_PerformIcmpProbe);
}
probe.Thread.WorkerSupportsCancellation = true;
probe.Thread.WorkerReportsProgress = true;
probe.Thread.ProgressChanged += new ProgressChangedEventHandler(Thread_ProgressChanged);
probe.Thread.RunWorkerAsync(probe);
}
else
{
probe.Thread.CancelAsync();
probe.ThreadResetEvent.WaitOne();
probe.Status = ProbeStatus.Inactive;
probe.IsActive = false;
probe.WriteFinalStatisticsToHistory();
}
}
private static void DisplayIcmpReply(Probe pingItem)
{
if (pingItem.Reply == null)
{
return;
}
if (pingItem.Thread.CancellationPending)
{
return;
}
var pingOutput = new StringBuilder($"[{DateTime.Now.ToLongTimeString()}] ");
// Read the status code of the ping response.
switch (pingItem.Reply.Status)
{
case IPStatus.Success:
pingOutput.Append("Reply from ");
pingOutput.Append(pingItem.Reply.Address.ToString());
if (pingItem.Reply.RoundtripTime < 1)
{
pingOutput.Append(" [<1ms]");
}
else
{
pingOutput.Append($" [{pingItem.Reply.RoundtripTime} ms]");
}
break;
case IPStatus.DestinationHostUnreachable:
pingOutput.Append("Reply [Host unreachable]");
break;
case IPStatus.DestinationNetworkUnreachable:
pingOutput.Append("Reply [Network unreachable]");
break;
case IPStatus.DestinationUnreachable:
pingOutput.Append("Reply [Unreachable]");
break;
case IPStatus.TimedOut:
pingOutput.Append("Request timed out.");
break;
default:
pingOutput.Append(pingItem.Reply.Status.ToString());
break;
}
// Add response to the output window.
Application.Current.Dispatcher.BeginInvoke(
new Action(() => pingItem.AddHistory(pingOutput.ToString())));
// If logging is enabled, write the response to a file.
if (ApplicationOptions.IsLogOutputEnabled && ApplicationOptions.LogPath.Length > 0)
{
var logPath = $@"{ApplicationOptions.LogPath}\{pingItem.Hostname}.txt";
using (System.IO.StreamWriter outputFile = new System.IO.StreamWriter(@logPath, true))
{
outputFile.WriteLine(pingOutput.ToString().Insert(1, DateTime.Now.ToShortDateString() + " "));
}
}
}
