+ /**
+ * Reset the already_sent IDs so we don't wrap it around and drop a message
+ * Also removes all expired invites
+ */
+ void GarbageCollect();
+
+ /** Perform background user events such as PING checks
+ */
+ void DoBackgroundUserStuff();
+
+ /** Returns true when all modules have done pre-registration checks on a user
+ * @param user The user to verify
+ * @return True if all modules have finished checking this user
+ */
+ bool AllModulesReportReady(LocalUser* user);
+
+ /** Add a client to the system.
+ * This will create a new User, insert it into the user_hash,
+ * initialize it as not yet registered, and add it to the socket engine.
+ * @param socket The socket id (file descriptor) this user is on
+ * @param via The socket that this user connected using
+ * @param client The IP address and client port of the user
+ * @param server The server IP address and port used by the user
+ * @return This function has no return value, but a call to AddClient may remove the user.
+ */
+ void AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server);
+
+ /** Disconnect a user gracefully
+ * @param user The user to remove
+ * @param quitreason The quit reason to show to normal users
+ * @param operreason The quit reason to show to opers, can be NULL if same as quitreason
+ * @return Although this function has no return type, on exit the user provided will no longer exist.
+ */
+ void QuitUser(User* user, const std::string& quitreason, const std::string* operreason = NULL);
+