protected override IEnumerator <IteratorAsyncResult <SendAvailabilityPairedNamespaceOptions.PingAsyncResult> .AsyncStep> GetAsyncSteps()
{
Exception exception;
MessageSender messageSender = null;
SendAvailabilityPairedNamespaceOptions.PingAsyncResult pingAsyncResult = this;
yield return(pingAsyncResult.CallAsync((SendAvailabilityPairedNamespaceOptions.PingAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => thisPtr.options.PrimaryMessagingFactory.BeginCreateMessageSender(null, thisPtr.path, false, t, c, s), (SendAvailabilityPairedNamespaceOptions.PingAsyncResult thisPtr, IAsyncResult r) => messageSender = thisPtr.options.PrimaryMessagingFactory.EndCreateMessageSender(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Continue));
if (base.LastAsyncStepException == null)
{
List <BrokeredMessage> brokeredMessages = new List <BrokeredMessage>();
List <BrokeredMessage> brokeredMessages1 = brokeredMessages;
BrokeredMessage brokeredMessage = new BrokeredMessage((object)base.GetType().Name)
{
ContentType = "application/vnd.ms-servicebus-ping",
TimeToLive = SendAvailabilityPairedNamespaceOptions.PingAsyncResult.PingMessageTimeToLive,
SessionId = Guid.NewGuid().ToString("N")
};
brokeredMessages1.Add(brokeredMessage);
List <BrokeredMessage> brokeredMessages2 = brokeredMessages;
yield return(base.CallAsync((SendAvailabilityPairedNamespaceOptions.PingAsyncResult thisPtr, TimeSpan t, AsyncCallback c, object s) => messageSender.BeginSend(brokeredMessages2, t, c, s), (SendAvailabilityPairedNamespaceOptions.PingAsyncResult thisPtr, IAsyncResult r) => messageSender.EndSend(r), IteratorAsyncResult <TIteratorAsyncResult> .ExceptionPolicy.Continue));
if (base.LastAsyncStepException != null)
{
MessagingClientEtwProvider.TraceClient(() => MessagingClientEtwProvider.Provider.EventWritePairedNamespacePingException(base.LastAsyncStepException));
MessagingException lastAsyncStepException = base.LastAsyncStepException as MessagingException;
if (lastAsyncStepException != null && !lastAsyncStepException.IsTransient)
{
base.Complete(base.LastAsyncStepException);
this.options.unavailableEntities.TryAdd(messageSender.Path, base.LastAsyncStepException);
}
}
else
{
this.options.unavailableEntities.TryRemove(this.path, out exception);
this.options.MarkPathHealthy(this.path);
}
}
else
{
MessagingClientEtwProvider.TraceClient(() => MessagingClientEtwProvider.Provider.EventWritePairedNamespaceCouldNotCreateMessageSender(this.options.PrimaryMessagingFactory.Address.ToString(), this.path, base.LastAsyncStepException));
}
}