+ /** Number of unregistered users online right now.
+ * (Unregistered means before USER/NICK/dns)
+ */
+ unsigned int unregistered_count;
+
+ /**
+ * 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);
+
+ /** Add a user to the clone map
+ * @param user The user to add
+ */
+ void AddClone(User* user);
+
+ /** Remove all clone counts from the user, you should
+ * use this if you change the user's IP address
+ * after they have registered.
+ * @param user The user to remove
+ */
+ void RemoveCloneCounts(User *user);
+
+ /** Return the number of local and global clones of this user
+ * @param user The user to get the clone counts for
+ * @return The clone counts of this user. The returned reference is volatile - you
+ * must assume that it becomes invalid as soon as you call any function other than
+ * your own.
+ */
+ const CloneCounts& GetCloneCounts(User* user) const;
+
+ /** Return a map containg IP addresses and their clone counts
+ * @return The clone count map
+ */
+ const CloneMap& GetCloneMap() const { return clonemap; }
+
+ /** Return a count of all global users, unknown and known connections
+ * @return The number of users on the network, including local unregistered users
+ */
+ unsigned int UserCount() const { return this->clientlist.size(); }
+
+ /** Return a count of fully registered connections on the network
+ * @return The number of registered users on the network
+ */
+ unsigned int RegisteredUserCount() { return this->clientlist.size() - this->UnregisteredUserCount(); }
+
+ /** Return a count of opered (umode +o) users on the network
+ * @return The number of opers on the network
+ */
+ unsigned int OperCount() const { return this->all_opers.size(); }
+
+ /** Return a count of local unregistered (before NICK/USER) users
+ * @return The number of local unregistered (unknown) connections
+ */
+ unsigned int UnregisteredUserCount() const { return this->unregistered_count; }
+
+ /** Return a count of local registered users
+ * @return The number of registered local users
+ */
+ unsigned int LocalUserCount() const { return (this->local_users.size() - this->UnregisteredUserCount()); }
+
+ /** Get a hash map containing all users, keyed by their nickname
+ * @return A hash map mapping nicknames to User pointers
+ */
+ user_hash& GetUsers() { return clientlist; }
+
+ /** Get a list containing all local users
+ * @return A const list of local users
+ */
+ const LocalList& GetLocalUsers() const { return local_users; }
+
+ /** Send a server notice to all local users
+ * @param text The text format string to send
+ * @param ... The format arguments
+ */
+ void ServerNoticeAll(const char* text, ...) CUSTOM_PRINTF(2, 3);
+};