public override Image CaptureUrl(string baseUrl, TimeSpan timeOut)
{
IWorker currentWorker = null;
bool workerCompromise = false;
try
{
// Wait for an available worker
currentWorker = _workerPool.BlockingPeek();
// Bound all the request parameters to RemoteTask
var remoteTask = CreateTask(baseUrl, timeOut);
var taskResult = currentWorker.PerformTask(remoteTask);
// When taskResult returns null, means that remoteworker is compromised and cannot be reused
if (taskResult == null)
{
workerCompromise = true;
throw new CaptureEngineException("RemoteWorker has shutdown", CaptureEngineState.InternalError);
}
if (taskResult.Error)
{
throw taskResult.Exception;
}
using (var memoryStream = new MemoryStream(taskResult.PayLoad))
{
return(Image.FromStream(memoryStream));
}
}
finally
{
if (currentWorker != null)
{
_workerPool.Return(currentWorker, workerCompromise);
}
}
}
