add <whowas> config option to control whowas behaviour. *may break*

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@5731 e03df62e-2008-0410-955e-edbf42e46eb7

3 files changed, 26 insertions, 0 deletions

diff --git a/include/configreader.h b/include/configreader.h
index e6591e7a8..516c6a6ed 100644
--- a/include/configreader.h
+++ b/include/configreader.h
@@ -120,6 +120,19 @@ class ServerConfig : public Extensible
 	 */
 	ConfigDataHash config_data;
 
+	/** Max number of WhoWas entries per user.
+	 */
+	int WhoWasGroupSize;
+
+	/** Max number of cumulative user-entries in WhoWas.
+	 *  When max reached and added to, push out oldest entry FIFO style.
+	 */
+	int WhoWasMaxGroups;
+
+	/** Max seconds a user is kept in WhoWas before being pruned.
+	 */
+	int WhoWasMaxKeep;
+
 	/** Holds the server name of the local server
 	 * as defined by the administrator.
 	 */
diff --git a/include/inspircd.h b/include/inspircd.h
index baa1fb589..7fecf22ae 100644
--- a/include/inspircd.h
+++ b/include/inspircd.h
@@ -401,6 +401,10 @@ class InspIRCd : public classbase
 	 */
 	irc::whowas::whowas_users whowas;
 
+	/** Whowas container, contains a map of time_t to users tracked by WHOWAS
+	 */
+	irc::whowas::whowas_users_fifo whowas_fifo;
+
 	/** DNS class, provides resolver facilities to the core and modules
 	 */
 	DNS* Res;
diff --git a/include/users.h b/include/users.h
index 018336e77..ce8f4eb28 100644
--- a/include/users.h
+++ b/include/users.h
@@ -828,9 +828,18 @@ namespace irc
 		 */
 		typedef std::map<irc::string,whowas_set*> whowas_users;
 
+		/** Sets of time and users in whowas list
+		 */
+		typedef std::map<time_t, irc::string> whowas_users_fifo;
+
 		/** Called every hour by the core to remove expired entries
 		 */
 		void MaintainWhoWas(InspIRCd* ServerInstance, time_t TIME);
+
+		/** Prune for WhoWasGroupSize, WhoWasMaxGroups and
+		 *  WhoWasMaxKeep on rehash
+		 */
+		void PruneWhoWas(InspIRCd* ServerInstance, time_t TIME);
 	};
 };