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Determining Closed Connections in Java Socket API
When working with the Java socket API, it can be challenging to determine when a player has disconnected. The Socket API's isConnected() and isClosed() methods provide incomplete information about the connection's state.
To accurately detect closed connections, it is essential to understand the difference between a socket's state and the connection's state. isConnected() indicates whether the local socket has connected successfully, while isClosed() only reflects if the local socket has been closed explicitly.
The disconnection of a remote peer can be detected using the following methods:
It's important to note that the ClosedChannelException does not indicate a closed connection, but rather a programming error where a previously closed channel is attempted to be used.
By understanding the characteristics of closed connections and utilizing the provided methods, developers can effectively determine when a player has disconnected, enabling them to manage the game's connected player count accurately.
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