Commented new functions

[user/henk/code/inspircd.git] / include / channels.h

diff --git a/include/channels.h b/include/channels.h
index c0df69513c06b0427a46272c0aaaa8607a9cbea9..6080cda98182cb4e82fbe279434184f1c04d1a33 100644 (file)
--- a/include/channels.h
+++ b/include/channels.h
@@ -1,7 +1,18 @@
-/*
-
-   
-*/
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ *                       E-mail:
+ *                <brain@chatspike.net>
+ *               <Craig@chatspike.net>
+ *     
+ * Written by Craig Edwards, Craig McLure, and others.
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
 
 #include "inspircd_config.h"
 #include "base.h"
@@ -90,6 +101,15 @@ class chanrec : public Extensible
         * Plugins may use this field in any way they see fit.
         */
        char custom_modes[MAXMODES];     /* modes handled by modules */
+
+       /** Count of users on the channel used for fast user counting
+        */
+       long users;
+
+       /** User list (casted to char*'s to stop forward declaration stuff)
+        * (chicken and egg scenario!)
+        */
+       std::vector<char*> internal_userlist;
        
        /** Channel topic.
         * If this is an empty string, no channel topic is set.
@@ -167,6 +187,52 @@ class chanrec : public Extensible
          */
        std::string GetModeParameter(char mode);
 
+       /** Increment the channel "user counter"
+        * The channel user counter is a reference counter which
+        * holds the number of users on the channel. If it decremented
+        * to 0 then the channel is removed from the system.
+        */
+       void IncUserCounter();
+
+       /** Decrement the channel "user counter"
+         * The channel user counter is a reference counter which
+         * holds the number of users on the channel. If it decremented
+         * to 0 then the channel is removed from the system.
+        * Modules may alter the reference count to hold channels open
+        * which have no users and would normally be deleted once empty.
+        */
+       void DecUserCounter();
+
+       /** Obtain the channel "user counter"
+        * This returns the channel reference counter, which is initialized
+        * to 0 when the channel is created and incremented/decremented
+        * upon joins, parts quits and kicks.
+        */
+       long GetUserCounter();
+
+       /** Add a user pointer to the internal reference list
+        * The data inserted into the reference list is a table as it is
+        * an arbitary pointer compared to other users by its memory address,
+        * as this is a very fast 32 or 64 bit integer comparison.
+        */
+       void AddUser(char* castuser);
+
+        /** Delete a user pointer to the internal reference list
+         * The data removed from the reference list is a table as it is
+         * an arbitary pointer compared to other users by its memory address,
+         * as this is a very fast 32 or 64 bit integer comparison.
+         */
+       void DelUser(char* castuser);
+
+       /** Obrain the internal reference list
+        * The internal reference list contains a list of userrec*
+        * cast to char*. These are used for rapid comparison to determine
+        * channel membership for PRIVMSG, NOTICE, QUIT, PART etc.
+        * The resulting pointer to the vector should be considered
+        * readonly and only modified via AddUser and DelUser.
+        */
+       std::vector<char*> *GetUsers();
+
        /** Creates a channel record and initialises it with default values
         */
        chanrec();