/// <summary>
/// TODO: this method needs some work
/// </summary>
/// <param name="inputDataItems"></param>
/// <returns></returns>
protected override PropertyBagDataItem[] GetOutputData(DataItemBase[] inputDataItems)
{
var result = new List <PropertyBagDataItem>();
var bagItem = new Dictionary <string, object>();
string ipAddressesText = string.Empty;
if (_customDnsServers.Count == 0)
{
try
{
var ipAddresses = Dns.GetHostAddresses(_testUri.DnsSafeHost);
foreach (var ipAddress in ipAddresses)
{
ipAddressesText += $"{ipAddress}; ";
}
bagItem.Add("State", "OK");
bagItem.Add("DNSServers", "<System Defined>");
bagItem.Add("Error", "");
bagItem.Add("IP", ipAddressesText);
}
// catch only name resolution process related exceptions to alert on resolution problem
catch (SocketException se)
{
bagItem.Add("State", "ERROR");
bagItem.Add("DNSServers", "<System Defined>");
bagItem.Add("Error", se.Message);
bagItem.Add("IP", "");
}
catch (ArgumentException se)
{
bagItem.Add("State", "ERROR");
bagItem.Add("DNSServers", "<System Defined>");
bagItem.Add("Error", se.Message);
bagItem.Add("IP", "");
}
}
else
{
int successCount = 0;
string errorList = string.Empty;
string failedDnsServers = string.Empty, successDnsServers = string.Empty;
foreach (var dns in _customDnsServers)
{
try
{
var draftIP = TcpHelper.GetHostEntry(_testUri.DnsSafeHost, dns, timeOut: _dnsRequestTimeout);
if (draftIP?.AddressList?.Length > 0)
{
successCount++;
foreach (var ipAddress in draftIP.AddressList)
{
ipAddressesText += $"{ipAddress}; ";
}
successDnsServers += $"{dns}; ";
}
else
{
errorList += $"DNS Server [{dns}] returned no addresses for '{_testUri.DnsSafeHost}'. ";
failedDnsServers += $"{dns}; ";
}
}
catch (SocketException e)
{
errorList += $"Error: [{e.Message}]; ";
failedDnsServers += $"{dns}; ";
}
}
string dnsServers = $"Query Success: {successDnsServers} Query empty of failed: {failedDnsServers}";
if (successCount == 0)
{
bagItem.Add("State", "ERROR");
bagItem.Add("DNSServers", dnsServers);
bagItem.Add("Error", errorList);
bagItem.Add("IP", "");
}
else if (successCount < _minValidResponses)
{
bagItem.Add("State", "WARNING");
bagItem.Add("DNSServers", dnsServers);
bagItem.Add("Error", errorList);
bagItem.Add("IP", ipAddressesText);
}
else
{
bagItem.Add("State", "OK");
bagItem.Add("DNSServers", dnsServers);
bagItem.Add("Error", errorList);
bagItem.Add("IP", ipAddressesText);
}
}
result.Add(new PropertyBagDataItem(null, new Dictionary <string, Dictionary <string, object> >
{
{ string.Empty, bagItem }
}));
return(result.ToArray());
}