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Asked: 2026-06-09T11:33:42+00:00

I have a client/server setup with a proxy sitting between them. I’d like the

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I have a client/server setup with a proxy sitting between them. I’d like the proxy to behave a bit smarter so that when 5 clients are connected, certain packets can be relayed from client to client instead of client -> server -> client. Each client is currently getting their own thread so what is the best way to share a global state that has references to the other clients. This state object would really just hold an id associated to each client and a reference to their socket so i can send on it.

Would something as simple as a dictionary work? My concern is that while accessing the dictionary i might have another client connect or disconnect which would be modifying the dictionary as im accessing it.

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  1. Editorial Team

    Dictionary would work, if dictionary is the data structure suitable for your situation. This decision has little to do with multithreading.

    That said, if you decide to use a dictionary, you should synchronize the access to it using

    • e.g. the lock statements
    • or switching to ConcurrentDictionary, a thread-safe version of Dictionary
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