private UnsubscribeAction SendAddSubscription(SubscriptionInformation info)
{
if (_ignoredSubscriptions.Contains(info.MessageName))
{
return(() => true);
}
var add = new AddSubscription(info);
ClientSubscriptionInformation clientInfo = _mapper.Transform(info);
if (clientInfo.Unsubscribe == null)
{
clientInfo.Unsubscribe = () => true;
}
lock (_subscriptions)
{
_subscriptions.Add(clientInfo.SubscriptionId, clientInfo);
}
_subscriptionServiceEndpoint.Send(add);
return(() =>
{
var remove = new RemoveSubscription(info, _sequence.Next());
_subscriptionServiceEndpoint.Send(remove);
return true;
});
}
private void Remove(SubscriptionInformation subscription)
{
if (!_subscriptions.Contains(subscription.SubscriptionId))
{
return;
}
_log.Debug("SubscriptionClient Remove: " + subscription);
lock (_subscriptions)
{
if (!_subscriptions.Contains(subscription.SubscriptionId))
{
return;
}
ClientSubscriptionInformation subscriptionInformation = _subscriptions[subscription.SubscriptionId];
try
{
subscriptionInformation.Unsubscribe();
}
catch (Exception ex)
{
_log.Error("Error removing a subscription (object may have been disposed)", ex);
}
_subscriptions.Remove(subscriptionInformation.SubscriptionId);
}
}
private void Add(SubscriptionInformation sub)
{
if (IgnoreIfLocalEndpoint(sub.EndpointUri))
{
return;
}
_log.Debug("SubscriptionClient Add: " + sub);
Type messageType = Type.GetType(sub.MessageName);
if (messageType == null)
{
_log.InfoFormat("Unknown message type {0}, unable to add subscription", sub.MessageName);
return;
}
lock (_subscriptions)
{
if (_subscriptions.Contains(sub.SubscriptionId))
{
return;
}
ClientSubscriptionInformation clientInfo = _mapper.Transform(sub);
UnsubscribeAction unsubscribe;
Type correlatedByType = GetCorrelatedByType(sub.CorrelationId, messageType);
if (correlatedByType != null)
{
unsubscribe = AddCorrelationSubscription(correlatedByType, sub.CorrelationId, messageType, sub.EndpointUri);
}
else
{
unsubscribe = (UnsubscribeAction)GetType()
.GetMethod("AddToClients", _bindingFlags)
.MakeGenericMethod(messageType).Invoke(this, new[] { sub.EndpointUri });
}
clientInfo.Unsubscribe = unsubscribe;
_subscriptions[sub.SubscriptionId] = clientInfo;
}
}
