What is Channel factory in WCF?

What is Channel factory in WCF?

A Channel Factory enables you to create a communication channel to the service without a proxy. A Channel Factory that creates and manages the various types of channels which are used by a client to send a message to various configured service endpoints.

What is proxy in WCF?

Proxy is an object in memory on the client-side that exposes the same Interface or API that the WCF service does. Your consuming code will make calls against that proxy and proxy will dispatch those calls as SOAP Messages to the WCF service.

How do I use ChannelFactory?

To create and use the ChannelFactory class

1. Build and run an Windows Communication Foundation (WCF) service.
2. Use the ServiceModel Metadata Utility Tool (Svcutil.exe) to generate the contract (interface) for the client.
3. In the client code, use the ChannelFactory class to create multiple endpoint listeners.

What is Svcutil EXE tool?

Svcutil.exe can be used to download metadata from running services, and save the metadata to local files. To download metadata, you must specify the /t:metadata option. Otherwise, client code is generated. For HTTP and HTTPS URL schemes, Svcutil.exe attempts to retrieve metadata using WS-Metadata Exchange and DISCO.

What is Svcutil?

How do I create a proxy for WCF service using Svcutil?

The WCF client proxy can be generated manually by using the Service Model Metadata Utility Tool (SvcUtil.exe) for more information see, ServiceModel Metadata Utility Tool (Svcutil.exe). The WCF client proxy can also be generated within Visual Studio using the Add Service Reference feature.

How do I open Svcutil?

1. In windows start menu Search box.
2. type in svcutil.exe.
3. Wait for results to populate.
4. Right click on svcutil.exe and Select ‘Open file location’
5. Copy Windows explorer path.

What is a channel factory?

A Channel Factory enables you to create a communication channel to the service without a proxy. Introduction. A Channel Factory enables you to create a communication channel to the service without a proxy.

Why does creating a channelfactory instance in WCF cause overhead?

Creating ChannelFactory instances incurs some overhead because it involves the following operations: To help minimize this overhead, WCF can cache channel factories when you are using a WCF client proxy. You have direct control over channel factory creation when you use the ChannelFactory class directly.

What is channel factory in a DLL?

A Channel Factory is implemented by the IChannelFactory Interface and their associated channels are used by the initiators of a communication pattern. The Channel Factory class is useful when you want to share a common service contract DLL between the client and the server. When to use Channel Factory