public TraceRouteNodeFoundEventArgs(TraceRouteHopDetail detail) : this() { Detail = detail; }
/// <summary> /// Executes the trace route. /// </summary> /// <param name="host">The destination host to which you wish to find the route.</param> /// <returns>All of the hops between the current computers and the /// <paramref name="host"/> computer.</returns> /// <exception cref="ArgumentException"></exception> public Task <IEnumerable <TraceRouteHopDetail> > ExecuteTraceRoute(String host) { if (String.IsNullOrWhiteSpace(host)) { throw new ArgumentException("Argument \"host\" cannot be null or empty.", "host"); } return(Task <IEnumerable <TraceRouteHopDetail> > .Factory.StartNew(() => { List <TraceRouteHopDetail> output = new List <TraceRouteHopDetail>(); using (Ping ping = new Ping()) { PingOptions options = new PingOptions(1, true); Byte[] buffer = new Byte[32]; PingReply reply = ping.Send(host, 5000, buffer, options); while (true) { if (CurrentCancellationTokenSource.IsCancellationRequested) { break; } if (reply.Address == null) { TraceRouteHopDetail detail = new TraceRouteHopDetail(options.Ttl, "*", "***Request Timed Out***", new TimeSpan()); output.Add(detail); if (TraceRouteNodeFound != null) { TraceRouteNodeFound(this, new TraceRouteNodeFoundEventArgs(detail)); } } else { String hostName = reply.Address.ToString(); try { hostName = Dns.GetHostEntry(reply.Address).HostName; } catch (SocketException) { } TimeSpan responseTime = GetResponseTime(reply.Address.ToString()); // If we hit the last address or found the host, then stop. if (reply.Address.Equals(lastReplyAddress) || reply.Address.ToString().Equals(host)) { break; } TraceRouteHopDetail detail = new TraceRouteHopDetail(options.Ttl, reply.Address.ToString(), hostName, responseTime); output.Add(detail); if (TraceRouteNodeFound != null) { TraceRouteNodeFound(this, new TraceRouteNodeFoundEventArgs(detail)); } } if (options.Ttl >= 30) { break; } lastReplyAddress = reply.Address; options.Ttl += 1; reply = ping.Send(host, 5000, buffer, options); } if (TraceRouteComplete != null) { TraceRouteComplete(this, new TraceRouteCompleteEventArgs(output)); } return output; } }, CurrentCancellationTokenSource.Token)); }