public async Task DeleteTopicSubscription(SubscriptionDescription description)
{
try
{
if (await RootNamespaceManager.SubscriptionExistsAsync(description.TopicPath, description.Name).ConfigureAwait(false))
{
await RootNamespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.Name).ConfigureAwait(false);
}
}
catch (MessagingEntityNotFoundException)
{
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscription Deleted: {0} ({1} -> {2})", description.Name, description.TopicPath, description.ForwardTo);
}
}
public async Task <SubscriptionDescription> CreateTopicSubscription(SubscriptionDescription description)
{
var create = true;
SubscriptionDescription subscriptionDescription = null;
try
{
if (await RootNamespaceManager.SubscriptionExistsAsync(description.TopicPath, description.Name).ConfigureAwait(false))
{
subscriptionDescription = await RootNamespaceManager.GetSubscriptionAsync(description.TopicPath, description.Name).ConfigureAwait(false);
if (string.IsNullOrWhiteSpace(description.ForwardTo))
{
if (!string.IsNullOrWhiteSpace(subscriptionDescription.ForwardTo))
{
if (_log.IsWarnEnabled)
{
_log.WarnFormat("Removing invalid subscription: {0} ({1} -> {2})", subscriptionDescription.Name,
subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await RootNamespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.Name).ConfigureAwait(false);
}
}
else
{
if (description.ForwardTo.Equals(subscriptionDescription.ForwardTo))
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Updating subscription: {0} ({1} -> {2})", subscriptionDescription.Name, subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await RootNamespaceManager.UpdateSubscriptionAsync(description).ConfigureAwait(false);
create = false;
}
else
{
if (_log.IsWarnEnabled)
{
_log.WarnFormat("Removing invalid subscription: {0} ({1} -> {2})", subscriptionDescription.Name,
subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await RootNamespaceManager.DeleteSubscriptionAsync(description.TopicPath, description.Name).ConfigureAwait(false);
}
}
}
}
catch (MessagingEntityNotFoundException)
{
}
if (create)
{
var created = false;
try
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Creating subscription {0} -> {1}", description.TopicPath, description.ForwardTo);
}
subscriptionDescription = await RootNamespaceManager.CreateSubscriptionAsync(description).ConfigureAwait(false);
created = true;
}
catch (MessagingEntityAlreadyExistsException)
{
}
catch (MessagingException mex)
{
if (mex.Message.Contains("(409)"))
{
}
else
{
throw;
}
}
if (!created)
{
subscriptionDescription = await RootNamespaceManager.GetSubscriptionAsync(description.TopicPath, description.Name).ConfigureAwait(false);
}
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscription: {0} ({1} -> {2})", subscriptionDescription.Name, subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
return(subscriptionDescription);
}
public async Task <TopicDescription> CreateTopic(TopicDescription topicDescription)
{
var create = true;
try
{
if (await RootNamespaceManager.TopicExistsAsync(topicDescription.Path).ConfigureAwait(false))
{
topicDescription = await RootNamespaceManager.GetTopicAsync(topicDescription.Path).ConfigureAwait(false);
create = false;
}
}
catch (MessagingEntityNotFoundException)
{
}
if (create)
{
var created = false;
try
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Creating topic {0}", topicDescription.Path);
}
topicDescription = await RootNamespaceManager.CreateTopicAsync(topicDescription).ConfigureAwait(false);
created = true;
}
catch (MessagingEntityAlreadyExistsException)
{
}
catch (MessagingException mex)
{
if (mex.Message.Contains("(409)"))
{
}
else
{
throw;
}
}
if (!created)
{
topicDescription = await RootNamespaceManager.GetTopicAsync(topicDescription.Path).ConfigureAwait(false);
}
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Topic: {0} ({1})", topicDescription.Path,
string.Join(", ", new[]
{
topicDescription.EnableExpress ? "express" : "",
topicDescription.RequiresDuplicateDetection ? "dupe detect" : ""
}.Where(x => !string.IsNullOrWhiteSpace(x))));
}
return(topicDescription);
}
