// This is virtual so that PeerChannelListener and MsmqChannelListener can override it.
// Will be called under "lock (this.TransportManagerTable)" from TransportManagerContainer.Open
internal virtual IList <TransportManager> SelectTransportManagers()
{
IList <TransportManager> foundTransportManagers = null;
// Look up an existing transport manager registration.
ITransportManagerRegistration registration;
if (!TryGetTransportManagerRegistration(out registration))
{
// Don't create TransportManagerRegistration in hosted case.
if (HostedVirtualPath == null)
{
// Create a new registration at the default point in the URI hierarchy.
registration = CreateTransportManagerRegistration();
TransportManagerTable.RegisterUri(registration.ListenUri, hostNameComparisonMode, registration);
}
}
// Use the registration to select/create a set of compatible transport managers.
if (registration != null)
{
foundTransportManagers = registration.Select(this);
if (foundTransportManagers == null)
{
// Don't create TransportManagerRegistration in hosted case.
if (HostedVirtualPath == null)
{
// Create a new registration one segment down from the existing incompatible registration.
Uri nextUri = AddSegment(registration.ListenUri, Uri);
if (nextUri != null)
{
registration = CreateTransportManagerRegistration(nextUri);
TransportManagerTable.RegisterUri(nextUri, hostNameComparisonMode, registration);
foundTransportManagers = registration.Select(this);
}
}
}
}
if (foundTransportManagers == null)
{
ThrowTransportManagersNotFound();
}
return(foundTransportManagers);
}
protected virtual bool TryGetTransportManagerRegistration(HostNameComparisonMode hostNameComparisonMode,
out ITransportManagerRegistration registration)
{
return(TransportManagerTable.TryLookupUri(Uri, hostNameComparisonMode, out registration));
}
