+ /** Called whenever a message is about to be written to a user.
+ * @param user The user who is having a message sent to them.
+ * @param msg The message which is being written to the user.
+ * @return MOD_RES_ALLOW to explicitly allow the message to be sent, MOD_RES_DENY to explicitly
+ * deny the message from being sent, or MOD_RES_PASSTHRU to let another module handle the event.
+ */
+ virtual ModResult OnUserWrite(LocalUser* user, ClientProtocol::Message& msg);
+
+ /** Called when a user connection has been unexpectedly disconnected.
+ * @param user The user who has been unexpectedly disconnected.
+ * @param error The type of error which caused this connection failure.
+ * @return MOD_RES_ALLOW to explicitly retain the user as a zombie, MOD_RES_DENY to explicitly
+ * disconnect the user, or MOD_RES_PASSTHRU to let another module handle the event.
+ */
+ virtual ModResult OnConnectionFail(LocalUser* user, BufferedSocketError error);
+
+ /** Called before a server shuts down.
+ * @param reason The reason the server is shutting down.
+ * @param restart Whether the server is restarting.
+ */
+ virtual void OnShutdown(const std::string& reason);
+};