private async Task <string> QueryAsync(
string obj, string server, bool clearHints, CancellationToken ct, object value = null)
{
var args = new YaWhoisClientEventArgs()
{
Value = value
};
try
{
lock (QueryParser)
{
PrepareQuery(obj, server, clearHints);
args.Parser = GetDataParser();
args.Server = QueryParser.Server;
args.Query = QueryParser.ServerQuery;
args.Encoding = QueryParser.ServerEncoding;
}
ct.ThrowIfCancellationRequested();
int conn_timeout, rdwr_timeout;
lock (__locker)
{
OnRequestReady(args);
conn_timeout = ConnectTimeout;
rdwr_timeout = ReadWriteTimeout;
}
args.Response = await FetchAsync(args.Server, args.Query, args.Encoding, ct, conn_timeout, rdwr_timeout);
OnResponseReceived(args);
if (args.Parser != null)
{
args.Referral = args.Parser.GetReferral(args.Response);
}
else
{
args.Referral = null;
}
OnResponseParsed(args);
if (!string.IsNullOrEmpty(args.Referral))
{
return(await QueryAsync(obj, args.Referral, false, ct, value));
}
return(args.Response);
}
catch (Exception e)
{
args.Exception = e;
OnExceptionThrown(args);
return(null);
}
}
private string Query(string obj, string server, bool clearHints, object value)
{
var args = new YaWhoisClientEventArgs()
{
Value = value
};
lock (QueryParser)
{
PrepareQuery(obj, server, clearHints);
args.Parser = GetDataParser();
args.Server = QueryParser.Server;
args.Query = QueryParser.ServerQuery;
args.Encoding = QueryParser.ServerEncoding;
}
int conn_timeout, rdwr_timeout;
lock (__locker)
{
OnRequestReady(args);
conn_timeout = ConnectTimeout;
rdwr_timeout = ReadWriteTimeout;
}
args.Response = Fetch(args.Server, args.Query, args.Encoding, conn_timeout, rdwr_timeout);
OnResponseReceived(args);
if (args.Parser != null)
{
args.Referral = args.Parser.GetReferral(args.Response);
}
else
{
args.Referral = null;
}
OnResponseParsed(args);
if (!string.IsNullOrEmpty(args.Referral))
{
return(Query(obj, args.Referral, false, value));
}
return(args.Response);
}
protected virtual void OnExceptionThrown(YaWhoisClientEventArgs e)
{
ExceptionThrown?.Invoke(this, e);
WhenExceptionThrown?.Invoke(this, e);
}
protected virtual void OnResponseParsed(YaWhoisClientEventArgs e)
{
ResponseParsed?.Invoke(this, e);
WhenResponseParsed?.Invoke(this, e);
}
protected virtual void OnResponseReceived(YaWhoisClientEventArgs e)
{
BeforeParseResponse?.Invoke(this, e);
WhenResponseReceived?.Invoke(this, e);
}
protected virtual void OnRequestReady(YaWhoisClientEventArgs e)
{
BeforeSendRequest?.Invoke(this, e);
WhenRequestReady?.Invoke(this, e);
}
