public void Dispose()
{
subscriptionThread?.Abort();
subscriptionThread = null;
if (subscriptionListener != null)
{
subscriptionListener.ServerEventReceived -= _eventHandler.Invoke;
subscriptionListener.Dispose();
subscriptionListener = null;
}
subscription?.Dispose();
subscription = null;
workingTaskCancellationTokenSource?.Cancel();
workingTaskCancellationTokenSource?.Dispose();
workingTaskCancellationTokenSource = null;
isListening = false;
}
private async void HoldSubscription()
{
while (workingTaskCancellationTokenSource != null && !workingTaskCancellationTokenSource.Token.IsCancellationRequested)
{
try
{
subscription = _subscriptionFactory.Invoke();
subscriptionListener = new ServerToClientStreamListener <TReceivedEvent>(subscription);
subscriptionListener.ServerEventReceived += _eventHandler.Invoke;
_logger?.LogDebug($"Subscription of type {nameof(TReceivedEvent)} prepared. Beginning to listen...");
await subscriptionListener.ListenAsync();
}
catch (RpcException)
{
_logger?.LogWarning($"Encountered a RpcException while trying to configure the {nameof(TReceivedEvent)} subscription. Retrying in {retryTimeoutMilliseconds / 1000} seconds...");
await Task.Delay(retryTimeoutMilliseconds);
}
catch (Exception ex)
{
_logger?.LogError($"Encountered an unexpected exception while trying to configure the {nameof(TReceivedEvent)} subscription: {ex} ({ex.Message}). Retrying in {retryTimeoutMilliseconds / 1000} seconds...");
await Task.Delay(retryTimeoutMilliseconds);
}
}
}
