// Constructor.
public PingSender()
{
this._ping = new Ping();
this._options = new PingOptions(255, true);
this._waiter = new AutoResetEvent(false);
this.HostName = "www.google.com";
this.TimeOut = 3000;
this.PacketSize = 32;
this.Results = new PingResultList(20);
this.History = new PingHistory();
this._ping.PingCompleted += PingCompletedCallback;
}
private void PingSender_PingCompleted(object sender, PingCompletedEventArgs e)
{
DateTime date = DateTime.Now;
PingHistory history = this.pingSender.History;
PingResultList results = this.pingSender.Results;
PingReply reply = e.Reply;
if (reply != null)
{
if (reply.Status > 0)
{
this.chart.Series["Time"].Points.AddXY(history.SendPackets, 0);
this.tableResults.Rows.Add(date, this.StatusError(reply.Status));
}
else
{
this.chart.Series["Time"].Points.AddXY(history.SendPackets, reply.RoundtripTime);
this.tableResults.Rows.Add(date, reply.Address, reply.RoundtripTime, reply.Buffer.Length, reply.Options.Ttl);
}
}
else
{
this.chart.Series["Time"].Points.AddXY(history.SendPackets, 0);
this.tableResults.Rows.Add(date, this.StatusError(IPStatus.Unknown));
}
if (this.chart.Series["Time"].Points.Count > 20)
{
this.chart.Series["Time"].Points.RemoveAt(0);
this.chart.ChartAreas["ChartArea1"].AxisX.Maximum++;
this.chart.ChartAreas["ChartArea1"].AxisX.Minimum++;
this.chart.ChartAreas["ChartArea1"].RecalculateAxesScale();
}
if (this.tableResults.Rows.Count > 20)
{
this.tableResults.Rows.RemoveAt(0);
}
this.tbTimeMin.Text = history.TimeMin.ToString() + "ms";
this.tbLastTimeMin.Text = results.TimeMin.ToString() + "ms";
this.tbTimeMax.Text = history.TimeMax.ToString() + "ms";
this.tbLastTimeMax.Text = results.TimeMax.ToString() + "ms";
this.tbTimeAverage.Text = history.TimeAverage.ToString("F0") + "ms";
this.tbLastTimeAverage.Text = results.TimeAverage.ToString("F0") + "ms";
this.tbSendPackets.Text = history.SendPackets.ToString();
this.tbLastSendPackets.Text = results.SendPackets.ToString();
this.tbReceivedPackets.Text = history.ReceivedPackets.ToString();
this.tbLastReceivedPackets.Text = results.ReceivedPackets.ToString();
this.tbLostPackets.Text = history.LostPackets.ToString() + " (" + (history.LostPacketsRatio * 100).ToString("F0") + "%)";
this.tbLastLostPackets.Text = results.LostPackets.ToString() + " (" + (results.LostPacketsRatio * 100).ToString("F0") + "%)";
this.DisplayStabilityStatus(results.LostPacketsRatio);
this.DisplayPingStatus(results.TimeAverage, results.LostPacketsRatio);
}