private IPData TestAddress(string hostName)
{
IPData ipd = new IPData();
try
{
ipd.CheckTime = DateTime.Now;
Ping ping = new Ping();
string address = GetIPAddress(hostName);
PingReply replay = ping.Send(address);
if (replay.Status == IPStatus.Success)
{
ipd.ResponseTime = replay.RoundtripTime;
ipd.ExternalIP = GetExternalIPAddress(urlDNSIP);
ipd.Status = "Good";
}
else
{
ipd.ResponseTime = replay.RoundtripTime;
ipd.ExternalIP = GetExternalIPAddress(urlDNSIP);
ipd.Status = replay.Status.ToString();
}
}
catch (Exception ex)
{
string s = ex.Message;
ipd.ResponseTime = -1;
ipd.ExternalIP = "0.0.0.0";
ipd.Status = "Err: " + ex.Message;
}
return(ipd);
}
private void bw_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
Stopwatch sw = new Stopwatch();
DateTimeOffset dT = DateTimeOffset.Now;
StringBuilder sb = new StringBuilder();
IPData ipd = new IPData();
try
{
while (true)
{
if (worker.CancellationPending == true)
{
e.Cancel = true;
e.Result = "Cancelled";
break;
}
else
{
dT = DateTimeOffset.Now;
sw.Start();
ipd = TestAddress(urlTeresoft);
sw.Stop();
ipd.ElapsedMilliseconds = sw.ElapsedMilliseconds;
count++;
worker.ReportProgress(count, ipd);
sw.Reset();
if (cycles > 0 && count >= cycles)
{
e.Result = "Cycle maximum reached";
break;
}
Thread.Sleep(frequency * 1000);
}
}
}
catch (Exception ex)
{
string s = ex.Message;
}
}
private void bw_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
try
{
DateTimeOffset dT = DateTimeOffset.Now;
StringBuilder sb = new StringBuilder();
IPData ipd = new IPData();
TimeSpan ts = new TimeSpan();
ipd = (IPData)e.UserState;
textExternalIP.Text = ipd.ExternalIP;
if (textExternalIP.Text != previousIP)
{
if (previousIP != "0.0.0.0")
{
string[] parts = ipd.ExternalIP.Split('.');
if (parts.Length == 4) //then numbers
{
countChangedIPs++;
}
else // Error text
{
nwErrors++;
}
textNWErrors.Text = nwErrors.ToString();
textPreviousIP.Text = previousIP;
previousIP = ipd.ExternalIP;
sb.Clear();
sb.Append(countChangedIPs.ToString());
textIPChangeCount.Text = sb.ToString();
ts = dT - startDT;
LastChangeDT = dT;
textDownTime.Text = ts.TotalMilliseconds.ToString() + " ms";
if (ts.TotalMilliseconds > maxDowntime)
{
maxDowntime = ts.TotalMilliseconds;
}
if (countChangedIPs > 1)
{
totalDowntime += ts.TotalMilliseconds;
}
}
}
else
{
startDT = dT;
ts = dT - startDT;
textDownTime.Text = ts.TotalMilliseconds.ToString() + " ms";
}
ts = dT - beginningDT;
sb.Clear();
sb.Append(ts.Duration().ToString());
sb.Length -= 8;
textRunningTime.Text = sb.ToString();
textLastScan.Text = dT.ToString("yyyy-MM-dd HH:mm:ss");
textMaxDownTime.Text = (maxDowntime / 1000).ToString("F2") + " secs";;
textResponseTime.Text = ipd.ResponseTime.ToString() + " ms";
textElapsedms.Text = ipd.ElapsedMilliseconds.ToString() + " ms";
textLastChangeTime.Text = LastChangeDT.ToString("yyyy-MM-dd HH:mm:ss");
textTotalDownTime.Text = (totalDowntime / 1000).ToString("F2") + " secs";
sb.Clear();
sb.Append(dT.ToString("yyyy-MM-dd HH:mm:ss"));
sb.Append(" - Cycle: ").Append(e.ProgressPercentage.ToString());
sb.Append(", External IP: ").Append(ipd.ExternalIP);
sb.Append(", Ping Time: ").Append(ipd.ResponseTime.ToString()).Append(" ms");
sb.Append(", Cycle Time: ").Append(ipd.ElapsedMilliseconds.ToString()).Append(" ms");
sb.AppendLine();
string text = textLogs.Text;
sb.Append(text);
textLogs.Text = sb.ToString();
textLogs.Refresh();
if (checkSaveFile.Checked == true && textFileLocation.Text != "")
{
if (sw != null)
{
sb.Clear();
sb.Append(dT.ToString("yyyy-MM-dd HH:mm:ss"));
sb.Append(" External IP: ").Append(ipd.ExternalIP);
sb.Append(", Previous IP: ").Append(previousIP);
sb.Append(", Failed Duration: ").Append(textDownTime.Text);
sb.Append(", Ping Time: ").Append(textResponseTime.Text);
sb.Append(", Cycle Time: ").Append(textElapsedms.Text);
sw.WriteLine(sb.ToString());
sw.Flush();
}
}
}
catch (Exception ex)
{
string s = ex.Message;
}
}