private async Task Connect(CancellationToken cancellationToken)
{
await Task.Yield();
try
{
while (true)
{
using (var proxy = new ReaderProxy(_stateManager, new AsyncQueue <MessagePackage>()))
await using (Stream = await _streamFactory.CreateStream(proxy, cancellationToken))
{
proxy.Active();
await _stateManager.StateChangedFrom(ReaderState.Connected, cancellationToken);
if (_stateManager.IsFinalState())
{
return;
}
}
}
}
catch (OperationCanceledException)
{
HasClosed();
}
catch (Exception exception)
{
HasFaulted(exception);
}
}
public Reader(IConsumerStreamFactory streamFactory, IFaultStrategy faultStrategy)
{
_stateManager = new StateManager <ReaderState>(ReaderState.Disconnected, ReaderState.Closed, ReaderState.ReachedEndOfTopic, ReaderState.Faulted);
_streamFactory = streamFactory;
_faultStrategy = faultStrategy;
_connectTokenSource = new CancellationTokenSource();
Stream = new NotReadyStream();
_connectTask = Connect(_connectTokenSource.Token);
_throwIfClosedOrFaulted = () => { };
}
public Consumer(IConsumerStreamFactory streamFactory, IFaultStrategy faultStrategy, bool setProxyState)
{
_executor = new Executor(OnException);
_cachedCommandAck = new CommandAck();
_stateManager = new StateManager <ConsumerState>(ConsumerState.Disconnected, ConsumerState.Closed, ConsumerState.ReachedEndOfTopic, ConsumerState.Faulted);
_streamFactory = streamFactory;
_faultStrategy = faultStrategy;
_setProxyState = setProxyState;
_connectTokenSource = new CancellationTokenSource();
Stream = new NotReadyStream();
_connectTask = Connect(_connectTokenSource.Token);
_throwIfClosedOrFaulted = () => { };
}