news:1173363131.165232.150640@64g2000cwx.googlegroups.com...
> We have an legacy communication protocol exchanging messages between 2
> machines
>
> * TCP Based
> * Request messages & corresponding Reply messages (no Exception
> messages)
> * Messages contain a header (with functionId & sequenceId) and
> optional data ; all in binary ; no XML encoding
> * Full-duplex protocol from an application point of vue (each peer
> can send Request and receive related Response
> * The application just deals with a functional API :
>
>   Example :
>
>           int DoSomething(int p0, char* p1)
>
>   will call the protocol to send one DoSomething Request message
> carrying p0 & p1 and to receive the one corresponding Response message
> carrying the result
>
> Looks like SOA ;-)
>
>
> We want to write a new application using .NET (C#) on one side, the
> other side running the legacy application & protocol code.
>
> Since I just started learning WCF, I would like to know if it is
> possible to customize WCF in order to exchange our legacy messages
> with the other side machine running the legacy code and therefere NOT
> running WCF.
>
> Starting with the contract like the following
>
>    [ServiceContract(Namespace="...")]
>    public interface IMyInterface
>    {
>        [OperationContract]
>       int DoSomething(int p0, string p1)
>
>    }
>
> what are the steps to proceed (not clear for me if the Custom Message
> Formatters do the job)
>
> I guess I have to write
>
>  * how to build the Request messages
>  * how to retrieve these Request messages and to call the service
> implementation methods
>  * how to build teh Response messages
>  * how to retrieve these Response messages and give the result back
> to the client application
>
>
> In other words, is it possible to use WCF on one side and an other
> piece of code NOT WCF on the other side ?
>
> If not of if it costs a lot I will just re-write the communication
> protocol in "raw C#" (or using P/Invoke interop)
>
>
> Thanks a lot for any answer.
>