How to Create a Minimal WCF Application Using Named Pipes?

WCF Named Pipe Communication: A Minimal Example

Question: How can I create a simple WCF application that utilizes named pipes for communication?

Answer:

To establish communication via named pipes in WCF, the following steps are necessary:

Server Configuration:

• Replacing the Endpoint Address:

<endpoint address="net.pipe://localhost/[pipe_name]"
    binding="netNamedPipeBinding" bindingConfiguration=""
    contract="ICalculator" name="NetNamedPipeBinding_ICalculator">
</endpoint>

• Configuring the Service Host:

// Create a URI using the named pipe format
Uri baseAddress = new Uri("net.pipe://localhost/[pipe_name]");

// Create a service host
ServiceHost selfHost = new ServiceHost(typeof(CalculatorService), baseAddress);

// Add the service endpoint using the netNamedPipeBinding
selfHost.AddServiceEndpoint(typeof(ICalculator), new NetNamedPipeBinding(), "CalculatorServicePipe");

// Enable metadata exchange for hosting
ServiceMetadataBehavior smb = new ServiceMetadataBehavior();
smb.HttpGetEnabled = true;
selfHost.Description.Behaviors.Add(smb);

Client Configuration:

• Generating the Client:

// Create a client endpoint for the pipe
EndpointAddress endpoint = new EndpointAddress($"net.pipe://localhost/[pipe_name]", endpoint_uri);

// Create a new client channel factory
ChannelFactory<ICalculator> channelFactory = new ChannelFactory<ICalculator>(new NetNamedPipeBinding(), endpoint);

// Obtain a client proxy
ICalculator client = channelFactory.CreateChannel();

These modifications ensure that the WCF application communicates through the specified named pipe, allowing for direct communication between server and client applications.

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