[Mono-dev] Interprocess communication

[Steve Bjorg]

You could use TcpSocket or HttpListener over localhost (loopback).   
Using HttpListener is rather straightforward:

string connectionEndPoint = "http://localhost:8888";

//*** setting up the listener ***
HttpListener listener = new HttpListener();
listener.Prefixes.Add(connectionEndPoint);
listener.Start();
AsyncCallback callback = delegate(IAsyncResult ar) {
	HttpListenerContext httpContext = listener.EndGetContext(ar);

	//--- do your processing here ---

	listener.BeginGetContext(callback, listener);
};
listener.BeginGetContext(callback, listener);


//*** sending a message ***
HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create 
(connectionEndPoint);
httpRequest.Method = "POST";
using(Stream stream = httpRequest.GetRequestStream()) {
	stream.Write(data, 0, date.Length);
}
HttpWebResponse httpResponse = (HttpWebResponse) 
httpRequest.GetResponse();
bool success = (httpResponse.StatusCode >= 200) &&  
(httpResponse.StatusCode < 300);
httpResponse.Close()


Package this into helper functions and make the connection end point  
configurable and voila, portable cross process communication.  This  
is also a great launch pad into making your system network  
distributed if need be as well as take advantage of the various  
object seriializers in .net and mono.


- Steve

--------------
Steve G. Bjorg
http://wiki.mindtouch.com
http://wiki.opengarden.org


On Dec 26, 2007, at 8:43 PM, Justin Cherniak wrote:

> Unfortunately as far as I know there is no easy one off way to do  
> this.  That said, if you are communicating to an unmanaged process,  
> I would assume it is a safe assumption to assume you are targeting  
> a particular operating system.
>
> I can't help you much with *nix, but on windows, you have a number  
> of options including:
> COM
> Shared memory
> Window messages
> What exactly are you trying to do, I (or someone else) might be  
> able to narrow it down to a clearer solution.
>
> Thanks,
> Justin
>
> On Dec 26, 2007 10:21 PM, FirstName LastName  
> <mousse_man at hotmail.com> wrote:
> Hi,
>
> I'm currently trying to find a way to make 2 processes on the same  
> machine talk.
>
> One process is managed while the other is unmanaged.  How can I do  
> this?
>
> Thanks!
>
> HO HO HO, if you've been nice this year, email Santa! Visit  
> asksanta.ca to learn more!
>
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