/// <summary>
/// Tries to populate the channelFactory out parameter if a channelFactory can be found
/// for the contract type T identified by a enpointName.
/// If there is not channelfactory for the type the parameter will be set to null
/// and false will be returned
/// The method uses a readlock, so many threads can call it at the same time
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="channelFactory"></param>
/// <returns></returns>
private bool TryGetChannelFactory(string serverAddress, out DuplexChannelFactory <T> channelFactory)
{
_readerWriterLock.AcquireReaderLock(1000);
try
{
DuplexClientEndpoint <T> clientEndpoint;
if (ClientEndpoints.TryGetValue(typeof(T).Name + serverAddress, out clientEndpoint))
{
DuplexEndpointChannelFactory <T> endpointChannelFactory = clientEndpoint.Endpoint;
channelFactory = endpointChannelFactory.ChannelFactory as DuplexChannelFactory <T>;
return(true);
}
else
{
channelFactory = null;
return(false);
}
}
finally
{
_readerWriterLock.ReleaseReaderLock();
}
}
/// <summary>
/// returns the ClientEndPoint for a specific contract and a specified name
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
private static DuplexClientEndpoint <T> GetClientEndpoint <T>(string serverAddress, List <IEndpointBehavior> endpointBehaviors, InstanceContext callbackInstance)
{
EndpointAddress baseAddress = new EndpointAddress(serverAddress);
var clientEndpoint = new DuplexClientEndpoint <T>(typeof(T), serverAddress);
var endpointChannelFactory = new DuplexEndpointChannelFactory <T>
{
EndpointAddress = baseAddress
};
endpointChannelFactory.ChannelFactory = new DuplexChannelFactory <T>(callbackInstance, ClientServerBindingHelper.GetBinding(true).ApplyClientWsDualHttpBinding(),
endpointChannelFactory.EndpointAddress);
foreach (var endpointBehavior in endpointBehaviors)
{
endpointChannelFactory.ChannelFactory.Endpoint.Behaviors.Add(endpointBehavior);
}
endpointChannelFactory.ChannelFactory.Open();
clientEndpoint.Endpoint = endpointChannelFactory;
return(clientEndpoint);
}
