private void OpenChannel() { lock (_channelLock) { try { _subscriptionOpenChannel = CreateSubscriptionChannel(_notificationQueueSize); } catch (WoopsaNotFoundException) { // No subscription service available, create a local one _localSubscriptionService = new WoopsaSubscriptionServiceImplementation(_woopsaRoot, false); try { _subscriptionOpenChannel = CreateSubscriptionChannel(_notificationQueueSize); //TODO : détecter la perte de connection du service de souscription et fermer le canal } catch { _localSubscriptionService.Dispose(); throw; } } } }