} // SegmentPayloadReceived
private DvbStpStreamClient CreateStreamClient()
{
// initialize DVB-STP client
var streamClient = new DvbStpStreamClient(_settings.EndPoint.Address, _settings.EndPoint.Port, _settings.CancellationToken)
{
NoDataTimeout = -1, // not implemented by DvbStpStreamClient
ReceiveDatagramTimeout = (int)Math.Floor(_settings.ReceiveDatagramTimeout.TotalMilliseconds),
OperationTimeout = -1 // forever
};
streamClient.SegmentPayloadReceived += SegmentPayloadReceived;
return(streamClient);
} // CreateStreamClient
} // StartAsync
private void Download()
{
DvbStpStreamClient streamClient = null;
try
{
_processor = new SegmentDataProcessor();
var retryTime = new TimeSpan(0, 0, 0);
while (retryTime <= _settings.MaxRetryTime)
{
streamClient = CreateStreamClient();
// ReSharper disable once RedundantAssignment
// assignment to false is necessary
var retry = false;
try
{
_processor.Start();
streamClient.DownloadStream();
break;
}
catch (SocketException) // reception error
{
retry = true;
} // try-catch
// Safety check. If we asked to stop the download, but an exception is thrown in between,
// we can ignore it and end the reception;
if (streamClient.CancelRequested)
{
break;
}
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
// ReSharper disable once HeuristicUnreachableCode
if (!retry)
{
continue;
}
// wait and then retry, increasing wait time
retryTime += _settings.RetryIncrement;
Thread.Sleep(retryTime);
} // while
_processor.WaitCompletion();
}
finally
{
if (streamClient != null)
{
streamClient.Close();
streamClient = null;
} // if
if (_processor != null)
{
_processor.Dispose();
_processor = null;
} // if
if (_downloadTask != null)
{
_downloadTask.Dispose();
_downloadTask = null;
} /// if
} // try-finally
} // Download
