public FindResponse Find(FindCriteria criteria)
{
string contractName = criteria.ContractTypeNames[0].Name;
string contractNamespace = criteria.ContractTypeNames[0].Namespace;
FindResponse response = DiscoveryHelper.CreateFindResponse();
ManualResetEvent handle = new ManualResetEvent(false);
Action <Uri, Uri[]> addEndpoint = (address, scopes) =>
{
EndpointDiscoveryMetadata metadata = new EndpointDiscoveryMetadata();
metadata.Address = new EndpointAddress(address);
if (scopes != null)
{
foreach (Uri scope in scopes)
{
metadata.Scopes.Add(scope);
}
}
response.Endpoints.Add(metadata);
if (response.Endpoints.Count >= criteria.MaxResults)
{
handle.Set();
}
};
DiscoveryResponseCallback callback = new DiscoveryResponseCallback(contractName, contractNamespace, addEndpoint);
ServiceHost host = new ServiceHost(callback);
host.AddServiceEndpoint(typeof(IServiceBusDiscoveryCallback), Endpoint.Binding, ResponseAddress.AbsoluteUri);
host.Description.Endpoints[0].Behaviors.Add(new ServiceRegistrySettings(DiscoveryType.Public));
TransportClientEndpointBehavior credentials = Endpoint.Behaviors.Find <TransportClientEndpointBehavior>();
Debug.Assert(credentials != null);
host.Description.Endpoints[0].Behaviors.Add(credentials);
host.Open();
try
{
DiscoveryRequest(criteria.ContractTypeNames[0].Name, criteria.ContractTypeNames[0].Namespace, criteria.Scopes.ToArray(), ResponseAddress);
bool found = handle.WaitOne(criteria.Duration);
if (found == false)
{
Trace.WriteLine("Could not find endpoints within specified discovery criteria duration");
}
}
catch
{}
finally
{
try
{
host.Abort();
}
catch (ProtocolException)
{}
}
return(response);
}
public FindResponse Find(FindCriteria criteria)
{
string contractName = criteria.ContractTypeNames[0].Name;
string contractNamespace = criteria.ContractTypeNames[0].Namespace;
FindResponse response = DiscoveryHelper.CreateFindResponse();
ManualResetEvent handle = new ManualResetEvent(false);
Action <Uri, Uri[]> addEndpoint = (address, scopes) =>
{
if (handle.WaitOne(0))
{
return;
}
EndpointDiscoveryMetadata metadata = new EndpointDiscoveryMetadata();
metadata.Address = new EndpointAddress(address);
if (scopes != null)
{
foreach (Uri scope in scopes)
{
metadata.Scopes.Add(scope);
}
}
lock (response)
{
response.Endpoints.Add(metadata);
if (response.Endpoints.Count >= criteria.MaxResults)
{
handle.Set();
}
}
};
//To receive the callbacks from the services
ClientDiscoveryResponseCallback callback = new ClientDiscoveryResponseCallback(contractName, contractNamespace, addEndpoint);
IDiscovery discoveryServiceProxy = DuplexChannelFactory <IDiscovery, IDiscoveryCallback> .CreateChannel(callback, DiscoveryFactory.Binding, DiscoveryFactory.Address.DiscoveryService);
discoveryServiceProxy.OnDiscoveryRequest(criteria.ContractTypeNames[0].Name, criteria.ContractTypeNames[0].Namespace, criteria.Scopes.ToArray());
bool found = handle.WaitOne(criteria.Duration);
handle.Set();
handle.Close();
//If there is cardinality of 'some' the channel will fault, but we don't care here as we already got the max results
try
{
(discoveryServiceProxy as ICommunicationObject).Close();
}
catch
{}
if (found == false)
{
Trace.WriteLine("Could not find endpoints within specified discovery criteria duration");
}
return(response);
}