How do I check if a registered client in WCF is still alive

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I have this WCF service where clients of my application can login and register to the Service. I keep a list of all connected clients. But what if a Client is accidently disconnected without telling de service? How can I remove it automatically??

I tried to use a timer which would poll with all clients asking if they are alive but I can't figure it out how to make a good method to do all this.

Please Help!

Posted 5-Mar-14 2:14am

Joukuh

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Thomas Nielsen - getCore 5-Mar-14 8:32am

What type of binding do you use on the endpoint?

Joukuh 5-Mar-14 8:38am

I'm using the net.TCP binding.

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Krunal Rohit · Answer 1 · 2014-03-05T02:59:00

Solution 1

I would say create a method that takes care whether the service is up or not.
See, http://geekswithblogs.net/LeonidGaneline/archive/2008/05/07/wcf-availability-of-the-wcf-services.aspx[^]
http://social.msdn.microsoft.com/Forums/vstudio/en-US/c939704d-97a8-4c01-88bb-0296869c6e30/checking-wcf-service-is-up-or-not?forum=wcf[^]

-KR

Posted 5-Mar-14 2:59am

Krunal Rohit

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Joukuh 5-Mar-14 9:03am

@KR that's not what I need. I need a method that is running at the Service Side to check if clients are alive or not.

Krunal Rohit 5-Mar-14 9:05am

Yeah create the method in service itself.

-KR

Joukuh 5-Mar-14 9:07am

But then it doesn't make sense what you are saying...... If I make a method at service side to check service availability and the service goes down then the method won't run..

Thats why I need a method that checks if the CLIENTS are alive, if not then remove from the list at the SERVICE.

Krunal Rohit 5-Mar-14 9:13am

See http://stackoverflow.com/questions/3986347/wcf-duplex-retrieve-client-connection

-KR