private void SetCellStyle(WhoisInfo data)
{
InvokeIfRequire(() => data.Cell.Value = data.ReserveState);
if (data.ReserveState == CheckState.Unchecked)
{
InvokeIfRequire(() => data.Cell.Style.BackColor = System.Drawing.Color.Coral);
InvokeIfRequire(() => data.Cell.ErrorText = data?.ErrorLogArgs.Message ?? " ");
InvokeIfRequire(() => data.Cell.ErrorText += "\r\n Double Click to rewhois");
}
else if (data.ReserveState == CheckState.Checked)
{
InvokeIfRequire(() => data.Cell.Style.BackColor = System.Drawing.Color.LightGreen);
InvokeIfRequire(() => data.Cell.ErrorText = null);
}
else if (data.ReserveState == CheckState.Indeterminate)
{
InvokeIfRequire(() => data.Cell.Style.BackColor = System.Drawing.Color.LightPink);
InvokeIfRequire(() => data.Cell.ErrorText = null);
}
}
/// <summary>
/// WHOis a domain to know is reserved or not
/// </summary>
/// <param name="name">domain name</param>
/// <param name="postfix">domain extension</param>
/// <param name="server">server url</param>
/// <param name="fullResponse">Set Whois info completely</param>
/// <param name="ct">Cancellation Token</param>
/// <returns>False if reserved and True if free</returns>
public WhoisInfo WhoiseCheckState(string name, string postfix, string server, bool fullResponse)
{
var result = new WhoisInfo();
try
{
//CONNECT TO TCP CLIENT OF WHOIS
_tcpWhois = new TcpClient(server, 43);
//SETUP THE NETWORK STREAM
_nsWhois = _tcpWhois.GetStream();
//GET THE DATA IN THE BUFFER FROM THE NETWORK STREAM
_bfWhois = new BufferedStream(_nsWhois);
_strmSend = new StreamWriter(_bfWhois);
_strmSend.WriteLine(name + "." + postfix);
_strmSend.Flush();
try
{
_strmRecive = new StreamReader(_bfWhois);
string response;
while ((response = _strmRecive.ReadLine()) != null)
{
result.Info += response + "\r\n";
if (!fullResponse &&
(result.Info.Contains("No match for ") || result.Info.Contains("no entries found")))
break;
}
}
catch (Exception exp)
{
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, true, "WHOis Server Error: {0}",
exp.Message);
OnWhoisLog(result.ErrorLogArgs);
result.ReserveState = CheckState.Unchecked;
return result;
}
}
catch (Exception exp)
{
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, true,
"No Internet Connection or Any other Fault.{1} Error: {0}", exp.Message, Environment.NewLine);
OnWhoisLog(result.ErrorLogArgs);
result.ReserveState = CheckState.Unchecked;
return result;
}
//SEND THE WHO_IS SERVER ABOUT THE HOSTNAME
finally
{
try
{
_tcpWhois?.Close();
}
catch (Exception exp)
{
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, false,
"Connection Closing Error: {0}",
exp.Message);
OnWhoisLog(result.ErrorLogArgs);
}
}
if (string.IsNullOrEmpty(result.Info))
{
result.ReserveState = CheckState.Unchecked;
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, true, "No Response: Unknown exception caused to couldn't response from server!");
OnWhoisLog(result.ErrorLogArgs);
}
else
{
result.ReserveState = result.Info.Contains("No match for") ||
result.Info.Contains("no entries found")
? CheckState.Checked
: CheckState.Indeterminate;
}
return result;
}
private static void OnProgress(WhoisInfo e)
{
Progress?.Invoke(null, e);
}
private void WhoisHelper_Progress(object sender, WhoisInfo e)
{
SetCellStyle(e);
IncreaseProgress();
}
/// <summary>
/// WHOis a domain to know is reserved or not
/// </summary>
/// <param name="name">domain name</param>
/// <param name="postfix">domain extension</param>
/// <param name="server">server url</param>
/// <param name="fullResponse">Set Whois info completely</param>
/// <param name="ct">Cancellation Token</param>
/// <returns>False if reserved and True if free</returns>
public WhoisInfo WhoiseCheckState(string name, string postfix, string server, bool fullResponse)
{
var result = new WhoisInfo();
try
{
//CONNECT TO TCP CLIENT OF WHOIS
_tcpWhois = new TcpClient(server, 43);
//SETUP THE NETWORK STREAM
_nsWhois = _tcpWhois.GetStream();
//GET THE DATA IN THE BUFFER FROM THE NETWORK STREAM
_bfWhois = new BufferedStream(_nsWhois);
_strmSend = new StreamWriter(_bfWhois);
_strmSend.WriteLine(name + "." + postfix);
_strmSend.Flush();
try
{
_strmRecive = new StreamReader(_bfWhois);
string response;
while ((response = _strmRecive.ReadLine()) != null)
{
result.Info += response + "\r\n";
if (!fullResponse &&
(result.Info.Contains("No match for ") || result.Info.Contains("no entries found")))
{
break;
}
}
}
catch (Exception exp)
{
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, true, "WHOis Server Error: {0}",
exp.Message);
OnWhoisLog(result.ErrorLogArgs);
result.ReserveState = CheckState.Unchecked;
return(result);
}
}
catch (Exception exp)
{
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, true,
"No Internet Connection or Any other Fault.{1} Error: {0}", exp.Message, Environment.NewLine);
OnWhoisLog(result.ErrorLogArgs);
result.ReserveState = CheckState.Unchecked;
return(result);
}
//SEND THE WHO_IS SERVER ABOUT THE HOSTNAME
finally
{
try
{
_tcpWhois?.Close();
}
catch (Exception exp)
{
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, false,
"Connection Closing Error: {0}",
exp.Message);
OnWhoisLog(result.ErrorLogArgs);
}
}
if (string.IsNullOrEmpty(result.Info))
{
result.ReserveState = CheckState.Unchecked;
result.ErrorLogArgs = new WhoisErrorEventArgs(name, postfix, server, true, "No Response: Unknown exception caused to couldn't response from server!");
OnWhoisLog(result.ErrorLogArgs);
}
else
{
result.ReserveState = result.Info.Contains("No match for") ||
result.Info.Contains("no entries found")
? CheckState.Checked
: CheckState.Indeterminate;
}
return(result);
}
private static void OnProgress(WhoisInfo e)
{
Progress?.Invoke(null, e);
}
private void WhoisHelper_Progress(object sender, WhoisInfo e)
{
SetCellStyle(e);
IncreaseProgress();
}
private void SetCellStyle(WhoisInfo data)
{
InvokeIfRequire(() => data.Cell.Value = data.ReserveState);
if (data.ReserveState == CheckState.Unchecked)
{
InvokeIfRequire(() => data.Cell.Style.BackColor = System.Drawing.Color.Coral);
InvokeIfRequire(() => data.Cell.ErrorText = data?.ErrorLogArgs.Message ?? " ");
InvokeIfRequire(() => data.Cell.ErrorText += "\r\n Double Click to rewhois");
}
else if (data.ReserveState == CheckState.Checked)
{
InvokeIfRequire(() => data.Cell.Style.BackColor = System.Drawing.Color.LightGreen);
InvokeIfRequire(() => data.Cell.ErrorText = null);
}
else if (data.ReserveState == CheckState.Indeterminate)
{
InvokeIfRequire(() => data.Cell.Style.BackColor = System.Drawing.Color.LightPink);
InvokeIfRequire(() => data.Cell.ErrorText = null);
}
}
