public async Task TearDown()
{
if (_localCts == null)
{
return;
}
try
{
using (_localCts)
{
using (_mergedCts)
{
#if !NETFRAMEWORK && !NETSTANDARD2_0
await using (_feed.ConfigureAwait(false))
#else
using (_feed)
#endif
{
_localCts.Cancel();
_feed.Close();
await _consumerTask.ConfigureAwait(false);
}
}
}
}
finally
{
_localCts = null;
}
}
public static Task Execute(CancellationToken token, int bufferSize, IDataAdapter <TP, TC> adapter,
IReadOnlyList <IProducer <TP> > producers, IReadOnlyList <IConsumer <TC> > consumers)
{
return(Task.Run(async() =>
{
using var localCts = new CancellationTokenSource();
using var combinedCts = CancellationTokenSource.CreateLinkedTokenSource(token, localCts.Token);
#if !NETFRAMEWORK && !NETSTANDARD2_0
var ppcBuffer = new PpcBuffer <TP>(bufferSize, combinedCts.Token);
await using (ppcBuffer.ConfigureAwait(false))
#else
using (var ppcBuffer = new PpcBuffer <TP>(bufferSize, combinedCts.Token))
#endif
{
token.ThrowIfCancellationRequested();
try
{
var rc = RunConsumers(consumers, ppcBuffer, adapter, combinedCts.Token, localCts);
var rp = RunProducers(producers, ppcBuffer, combinedCts.Token, localCts);
await Task.WhenAll(rc, rp).ConfigureAwait(false);
}
catch (Exception e)
{
if (token.IsCancellationRequested)
{
throw new OperationCanceledException("PpcCancelled", e, token);
}
throw;
}
}
}, CancellationToken.None));
}