private async Task HandlePushMessageDeliveryException(Exception exception, PushSubscription subscription)
{
PushServiceClientException pushServiceClientException = exception as PushServiceClientException;
if (pushServiceClientException is null)
{
_logger?.LogError(exception, "Failed requesting push message delivery to {0}.", subscription.Endpoint);
}
else
{
if (pushServiceClientException.StatusCode == HttpStatusCode.NotFound ||
pushServiceClientException.StatusCode == HttpStatusCode.Gone)
{
using (IPushSubscriptionStoreAccessor subscriptionStoreAccessor =
_subscriptionStoreAccessorProvider.GetPushSubscriptionStoreAccessor())
{
await subscriptionStoreAccessor.PushSubscriptionStore.DiscardSubscriptionAsync(subscription.Endpoint);
}
_logger?.LogInformation("Subscription has expired or is no longer valid and has been removed.");
}
}
}
private async Task DequeueMessagesAsync()
{
while (!_stopTokenSource.IsCancellationRequested)
{
PushMessage message = await _messagesQueue.DequeueAsync(_stopTokenSource.Token);
if (!_stopTokenSource.IsCancellationRequested)
{
using (IPushSubscriptionStoreAccessor subscriptionStoreAccessor = _subscriptionStoreAccessorProvider.GetPushSubscriptionStoreAccessor())
{
await subscriptionStoreAccessor.PushSubscriptionStore.ForEachSubscriptionAsync((PushSubscription subscription) =>
{
// Fire-and-forget
_notificationService.SendNotificationAsync(subscription, message, _stopTokenSource.Token);
}, _stopTokenSource.Token);
}
}
}
}
private async Task DequeueMessagesAsync()
{
while (!_stopTokenSource.IsCancellationRequested)
{
PushMessage message = await _messagesQueue.DequeueAsync(_stopTokenSource.Token);
if (!_stopTokenSource.IsCancellationRequested)
{
using (IPushSubscriptionStoreAccessor subscriptionStoreAccessor = _subscriptionStoreAccessorProvider.GetPushSubscriptionStoreAccessor())
{
await subscriptionStoreAccessor.PushSubscriptionStore.ForEachSubscriptionAsync((PushSubscription subscription) =>
{
Console.WriteLine("Sending to subscription right about now: " + subscription.Endpoint);
Task.Delay(1000).Wait();
// Fire-and-forget
_notificationService.SendNotificationAsync(subscription, message, _stopTokenSource.Token);
}, _stopTokenSource.Token);
}
}
}
}