internal static MessageQueue Lookup(Uri uri, IPAddress address, int port)
{
if (TD.RoutingTableLookupStartIsEnabled())
{
TD.RoutingTableLookupStart();
}
Uri wildCardUri = uri;
UriPrefixTable <MessageQueueAndPath> table = namedPipeMessageQueues;
if (address != null)
{
// Including port number to support TCP proxy (see MB56472). We only use it for wildcard matching below.
// NOTE: we don't need to call TcpChannelListener.FixIpv6Hostname to fix the host name because it's ignored anyway.
UriBuilder uriBuilder = new UriBuilder(uri.Scheme, uri.Host, port, uri.PathAndQuery);
wildCardUri = uriBuilder.Uri;
table = tcpMessageQueues;
}
MessageQueueAndPath found = null;
bool success = table.TryLookupUri(wildCardUri, HostNameComparisonMode.StrongWildcard, out found);
if (success && address != null)
{
success = ValidateAddress(address, ref found);
}
if (!success)
{
success = table.TryLookupUri(uri, HostNameComparisonMode.Exact, out found);
if (success && address != null)
{
success = ValidateAddress(address, ref found);
}
}
if (!success)
{
success = table.TryLookupUri(wildCardUri, HostNameComparisonMode.WeakWildcard, out found);
if (success && address != null)
{
success = ValidateAddress(address, ref found);
}
}
if (DiagnosticUtility.ShouldTraceInformation)
{
ListenerTraceUtility.TraceEvent(TraceEventType.Information, ListenerTraceCode.RoutingTableLookup, SR.GetString(SR.TraceCodeRoutingTableLookup), new StringTraceRecord("Uri", uri.ToString()), null, null);
}
Debug.Print("RoutingTable.Lookup(" + uri + ") matched: " + (found == null ? "<NoMatch!>" : found.Uri.ToString()));
if (TD.RoutingTableLookupStopIsEnabled())
{
TD.RoutingTableLookupStop();
}
return(found == null ? null : found.MessageQueue);
}
static bool ValidateAddress(IPAddress address, ref MessageQueueAndPath found)
{
if (found.Uri.HostNameType != UriHostNameType.IPv4 && found.Uri.HostNameType != UriHostNameType.IPv6)
{
return(true);
}
IPAddress foundAddress = IPAddress.Parse(found.Uri.DnsSafeHost);
bool valid = (address.Equals(foundAddress) ||
(foundAddress.Equals(IPAddress.Any) && foundAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork) ||
foundAddress.Equals(IPAddress.IPv6Any));
found = valid ? found : null;
return(valid);
}
static bool ValidateAddress(IPAddress address, ref MessageQueueAndPath found)
{
if (found.Uri.HostNameType != UriHostNameType.IPv4 && found.Uri.HostNameType != UriHostNameType.IPv6)
{
return true;
}
IPAddress foundAddress = IPAddress.Parse(found.Uri.DnsSafeHost);
bool valid = (address.Equals(foundAddress) ||
(foundAddress.Equals(IPAddress.Any) && foundAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork) ||
foundAddress.Equals(IPAddress.IPv6Any));
found = valid ? found : null;
return valid;
}
