public static TopicDescription GetTopicDescription(this Uri address)
{
if (string.Compare("sb", address.Scheme, StringComparison.OrdinalIgnoreCase) != 0)
{
throw new ArgumentException("The invalid scheme was specified: " + address.Scheme);
}
var topicPath = address.AbsolutePath.Trim('/');
var topicDescription = Defaults.CreateTopicDescription(topicPath);
topicDescription.DefaultMessageTimeToLive = address.GetValueFromQueryString("ttl", topicDescription.DefaultMessageTimeToLive);
topicDescription.EnableExpress = address.GetValueFromQueryString("express", topicDescription.EnableExpress);
return(topicDescription);
}
public static IEnumerable <TopicSubscriptionSettings> GetTopicSubscription(this IMessageNameFormatter messageNameFormatter, Type messageType)
{
if (!IsSubscriptionMessageType(messageType))
{
yield break;
}
var temporary = IsTemporaryMessageType(messageType);
var topicDescription = Defaults.CreateTopicDescription(messageNameFormatter.GetMessageName(messageType).ToString());
topicDescription.EnableExpress = temporary;
var binding = new TopicSubscription(topicDescription);
yield return(binding);
}
public static QueueDescription GetQueueDescription(this Uri address)
{
if (string.Compare("sb", address.Scheme, StringComparison.OrdinalIgnoreCase) != 0)
{
throw new ArgumentException("The invalid scheme was specified: " + address.Scheme);
}
var queueName = address.AbsolutePath.Trim('/');
var queueDescription = Defaults.CreateQueueDescription(queueName);
int autoDeleteOnIdleSeconds = address.GetValueFromQueryString("autodelete", 0);
if (autoDeleteOnIdleSeconds > 0)
{
queueDescription.AutoDeleteOnIdle = TimeSpan.FromSeconds(autoDeleteOnIdleSeconds);
}
queueDescription.EnableExpress = address.GetValueFromQueryString("express", queueDescription.EnableExpress);
return(queueDescription);
}
public static async Task <SubscriptionDescription> CreateTopicSubscriptionSafeAsync(this NamespaceManager namespaceManager, string subscriptionName,
string topicPath, string queuePath, QueueDescription queueDescription)
{
var description = Defaults.CreateSubscriptionDescription(topicPath, subscriptionName, queueDescription, queuePath);
var create = true;
SubscriptionDescription subscriptionDescription = null;
try
{
subscriptionDescription = await namespaceManager.GetSubscriptionAsync(topicPath, subscriptionName).ConfigureAwait(false);
if (queuePath.Equals(subscriptionDescription.ForwardTo))
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Updating subscription: {0} ({1} -> {2})", subscriptionDescription.Name, subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
await namespaceManager.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 namespaceManager.DeleteSubscriptionAsync(topicPath, subscriptionName).ConfigureAwait(false);
}
}
catch (MessagingEntityNotFoundException)
{
}
if (create)
{
var created = false;
try
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Creating subscription {0} -> {1}", topicPath, queuePath);
}
subscriptionDescription = await namespaceManager.CreateSubscriptionAsync(description).ConfigureAwait(false);
created = true;
}
catch (MessagingEntityAlreadyExistsException)
{
}
catch (MessagingException mex)
{
if (mex.Message.Contains("(409)"))
{
}
else
{
throw;
}
}
if (!created)
{
subscriptionDescription = await namespaceManager.GetSubscriptionAsync(topicPath, subscriptionName).ConfigureAwait(false);
}
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscription: {0} ({1} -> {2})", subscriptionDescription.Name, subscriptionDescription.TopicPath,
subscriptionDescription.ForwardTo);
}
return(subscriptionDescription);
}
