I'm not quite sure I understand how to use a TCP listener.

[MarthKoopa]

When running this code every loop, not in blocking mode, it should find connections and register them into the vector, right?  Or how else should I do this?

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if (Listener.Accept(Client, &ClientAddress) != sf::Socket::NotReady)
{
    cout << "Client connecting from " << ClientAddress << endl;
    Client.Ip = ClientAddress;
    Client.SetBlocking(false);
    Clients.push_back(Client);
}

[Laurent]

Code: [Select]

!= sf::Socket::NotReady
This should be "== sf::Socket::Done", NotReady is not the only failure that can be returned.

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ServerSocket.Connect(55555, "192.168.1.101")
The Connect function also returns a status code, not a boolean (so it should be checked the same way as above)