private bool TryGetUrlWithNoTimeValidation(out BaseUrlInfo item, string url, int millisecondsTimeout, CancellationToken cancellationToken)
{
this.CheckDisposed();
item = null;
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException("The operation was canceled.", cancellationToken);
}
var cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken,
this._blockinQueueCancellationTokenSource.Token);
try
{
if (millisecondsTimeout != 0)
{
cancellationTokenSource.CancelAfter(millisecondsTimeout);
while (true)
{
if (cancellationTokenSource.IsCancellationRequested)
{
throw new OperationCanceledException("The operation was canceled.",
cancellationTokenSource.Token);
}
var buffer = _webClient.DownloadString(url);
var urlCount = Extract(buffer).Count();
item = new BaseUrlInfo()
{
Url = url, UrlCount = urlCount
};
return(true);
}
}
}
catch (OperationCanceledException ex)
{
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException("The operation was canceled.", ex);
}
return(false);
}
finally
{
cancellationTokenSource.Dispose();
}
try
{
cancellationToken.ThrowIfCancellationRequested();
var buffer = _webClient.DownloadString(url);
var urlCount = Extract(buffer).Count();
item = new BaseUrlInfo()
{
Url = url, UrlCount = urlCount
};
return(true);
}
catch (OperationCanceledException ex)
{
throw new OperationCanceledException("The operation was canceled.", ex);
}
}
public bool TryGetUrl(out BaseUrlInfo item, string url, int millisecondsTimeOut, CancellationToken cancellationToken)
{
LinkExtractor.ValidateMillisecondsTimeout(millisecondsTimeOut);
return(this.TryGetUrlWithNoTimeValidation(out item, url, millisecondsTimeOut, cancellationToken));
}