public async Task DeleteTopicSubscription(SubscriptionDescription description)
{
try
{
await _namespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
}
catch (MessagingEntityNotFoundException)
{
}
LogContext.Debug?.Log("Subscription Deleted: {Subscription} ({Topic} -> {ForwardTo})", description.SubscriptionName, description.TopicPath,
description.ForwardTo);
}
public async Task DeleteTopicSubscription(SubscriptionDescription description)
{
try
{
await _namespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
}
catch (MessagingEntityNotFoundException)
{
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscription Deleted: {0} ({1} -> {2})", description.SubscriptionName, description.TopicPath, description.ForwardTo);
}
}
public async Task <SubscriptionDescription> CreateTopicSubscription(SubscriptionDescription description, RuleDescription rule, Filter filter)
{
var subscriptionExists = await _namespaceManager.SubscriptionExistsAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
SubscriptionDescription subscriptionDescription = null;
if (subscriptionExists)
{
subscriptionDescription = await _namespaceManager.GetSubscriptionAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
if (string.IsNullOrWhiteSpace(description.ForwardTo))
{
if (!string.IsNullOrWhiteSpace(subscriptionDescription.ForwardTo))
{
if (_log.IsWarnEnabled)
{
_log.WarnFormat("Removing invalid subscription: {0} ({1} -> {2})", subscriptionDescription.SubscriptionName,
subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await _namespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
}
}
else
{
var forwardTo = subscriptionDescription.ForwardTo;
var address = _namespaceManager.Address.ToString();
if (forwardTo.StartsWith(address))
{
forwardTo = forwardTo.Substring(address.Length).Trim('/');
}
if (description.ForwardTo.Equals(forwardTo))
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Updating subscription: {0} ({1} -> {2})", subscriptionDescription.SubscriptionName, subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await _namespaceManager.UpdateSubscriptionAsync(description).ConfigureAwait(false);
}
else
{
if (_log.IsWarnEnabled)
{
_log.WarnFormat("Removing invalid subscription: {0} ({1} -> {2})", subscriptionDescription.SubscriptionName,
subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await _namespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
}
}
}
else
{
try
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Creating subscription {0} -> {1}", description.TopicPath, description.ForwardTo);
}
subscriptionDescription = rule != null
? await _namespaceManager.CreateSubscriptionAsync(description, rule).ConfigureAwait(false)
: filter != null
? await _namespaceManager.CreateSubscriptionAsync(description, filter).ConfigureAwait(false)
: await _namespaceManager.CreateSubscriptionAsync(description).ConfigureAwait(false);
}
catch (MessagingEntityAlreadyExistsException)
{
subscriptionDescription = await _namespaceManager.GetSubscriptionAsync(description.TopicPath, description.SubscriptionName).ConfigureAwait(false);
}
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscription: {0} ({1} -> {2})", subscriptionDescription.SubscriptionName, subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
return(subscriptionDescription);
}
