void OnReceiveAttach(Attach attach)
{
StateTransition stateTransition;
this.TransitState("R:ATTACH", StateTransition.ReceiveOpen, out stateTransition);
Error error = this.Negotiate(attach);
if (error != null)
{
this.OnLinkOpenFailed(new AmqpException(error));
return;
}
if (stateTransition.From == AmqpObjectState.OpenSent)
{
if (this.IsReceiver)
{
Source source = this.settings.Source as Source;
if (source != null && source.Dynamic())
{
source.Address = ((Source)attach.Source).Address;
}
}
else
{
Target target = this.settings.Target as Target;
if (target != null && target.Dynamic())
{
target.Address = ((Target)attach.Target).Address;
}
}
}
if (stateTransition.To == AmqpObjectState.Opened)
{
if ((this.IsReceiver && attach.Source == null) ||
(!this.IsReceiver && attach.Target == null))
{
// not linkendpoint was created on the remote side
// a detach should be sent immediately by peer with error
return;
}
if (this.IsReceiver)
{
this.deliveryCount = attach.InitialDeliveryCount.Value;
this.settings.Source = attach.Source;
}
else
{
this.settings.Target = attach.Target;
}
this.CompleteOpen(false, null);
}
else if (stateTransition.To == AmqpObjectState.OpenReceived)
{
Utils.Trace(TraceLevel.Verbose, "{0}: opending.", this);
try
{
this.Session.Connection.AmqpSettings.RuntimeProvider.BeginOpenLink(this, this.DefaultOpenTimeout, this.OnProviderLinkOpened, null);
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
this.OnLinkOpenFailed(exception);
}
}
}