--- /dev/null
+/** @file
+ * @brief Interface and declarations for client counting functions.
+ * @version $Id$
+ */
+#ifndef INCLUDED_querycmds_h
+#define INCLUDED_querycmds_h
+
+#ifndef INCLUDED_ircd_features_h
+#include "ircd_features.h" /* feature_str() */
+#endif
+
+struct Client;
+
+/*
+ * Structs
+ */
+
+/** Counts types of clients, servers, etc.\ on the network. */
+struct UserStatistics {
+ /* Local connections: */
+ unsigned int unknowns; /**< Clients of types: unknown, connecting, handshake */
+ unsigned int local_servers; /**< Directly connected servers. */
+ unsigned int local_clients; /**< Directly connected clients. */
+
+ /* Global counts: */
+ unsigned int servers; /**< Known servers, including #me. */
+ unsigned int clients; /**< Registered users. */
+
+ /* Global user mode changes: */
+ unsigned int inv_clients; /**< Registered invisible users. */
+ unsigned int opers; /**< Registered IRC operators. */
+
+ /* Misc: */
+ unsigned int channels; /**< Existing channels. */
+};
+
+extern struct UserStatistics UserStats;
+
+/*
+ * Macros
+ */
+
+/* Macros for remote connections: */
+/** Count \a cptr as a new remote client. */
+#define Count_newremoteclient(UserStats, cptr) (++UserStats.clients, ++(cli_serv(cptr)->clients))
+/** Count a new remote server. */
+#define Count_newremoteserver(UserStats) (++UserStats.servers)
+
+/** Count a remote user quit. */
+#define Count_remoteclientquits(UserStats,cptr) \
+ do { \
+ --UserStats.clients; \
+ if (!IsServer(cptr)) \
+ --(cli_serv(cli_user(cptr)->server)->clients); \
+ } while (0)
+
+/** Count a remote server quit. */
+#define Count_remoteserverquits(UserStats) (--UserStats.servers)
+
+/* Macros for local connections: */
+/** Count a new local unknown connection. */
+#define Count_newunknown(UserStats) (++UserStats.unknowns)
+/** Update counters when \a cptr goes from unknown to registered. */
+#define Count_unknownbecomesclient(cptr, UserStats) \
+ do { \
+ --UserStats.unknowns; ++UserStats.local_clients; ++UserStats.clients; \
+ if (match(feature_str(FEAT_DOMAINNAME), cli_sockhost(cptr)) == 0) \
+ ++current_load.local_count; \
+ if (UserStats.local_clients > max_client_count) \
+ max_client_count = UserStats.local_clients; \
+ if (UserStats.local_clients + UserStats.local_servers > max_connection_count) \
+ { \
+ max_connection_count = UserStats.local_clients + UserStats.local_servers; \
+ if (max_connection_count % 10 == 0) \
+ sendto_opmask_butone(0, SNO_OLDSNO, "Maximum connections: %d (%d clients)", \
+ max_connection_count, max_client_count); \
+ } \
+ } while(0)
+/** Update counters when \a cptr goes from unknown to server. */
+#define Count_unknownbecomesserver(UserStats) do { --UserStats.unknowns; ++UserStats.local_servers; ++UserStats.servers; } while(0)
+/** Update counters when \a cptr (a local user) disconnects. */
+#define Count_clientdisconnects(cptr, UserStats) \
+ do \
+ { \
+ --UserStats.local_clients; --UserStats.clients; \
+ if (match(feature_str(FEAT_DOMAINNAME), cli_sockhost(cptr)) == 0) \
+ --current_load.local_count; \
+ } while(0)
+/** Update counters when a local server disconnects. */
+#define Count_serverdisconnects(UserStats) do { --UserStats.local_servers; --UserStats.servers; } while(0)
+/** Update counters when an unknown client disconnects. */
+#define Count_unknowndisconnects(UserStats) (--UserStats.unknowns)
+
+/*
+ * Prototypes
+ */
+
+
+#endif /* INCLUDED_querycmds_h */