BeginSend fails after a while with no exception

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Hi, I am writing a client/server program using C# winsock classes. The multi-threaded server (1 thread per client connection) sends small chunks of data to clients. For performance reason I try to use BeginSend instead of Send. It seems to be working fine. The only problem I am encountering is that every a few hours the BeginSend stops sending data and the client has to reconnect to receive more data. So I tried to add the EndSend callback on the server and problem still remains. On the client side I am only using Receive instead of BeginReceive and I am not using semaphores in the server code. Does anyone has an idea why this is so? Thanks a lot!

xg

Posted 27-Apr-13 9:13am

Cosmo Gong

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Sergey Alexandrovich Kryukov 27-Apr-13 21:24pm

One thread per client connection is quite a bad schema, not really leveraging the power of threads; it can be used only of you can guarantee reasonably small number of clients. It's easy to build a relatively simple multi-connection service with just two communication threads (one to accept new connection, another one working with all the clients).

The problem you have is impossible to analyze without having some code sample from you.
—SA

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