Allow fast sid reuse by erasing fake users from UserManager::uuidlist when the netspl...

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

diff --git a/include/mode.h b/include/mode.h
index 2e40badca5e8d246a2759cea19fdd6f95523c442..ffa5308f33250ee9ad485238e4a737b5a777ebc5 100644 (file)
--- a/include/mode.h
+++ b/include/mode.h
@@ -94,6 +94,8 @@ class ParamModeBase;
 class CoreExport ModeHandler : public ServiceProvider
 {
  public:
+       typedef size_t Id;
+
        enum Class
        {
                MC_PREFIX,
@@ -102,6 +104,11 @@ class CoreExport ModeHandler : public ServiceProvider
                MC_OTHER
        };
 
+ private:
+       /** The opaque id of this mode assigned by the mode parser
+        */
+       Id modeid;
+
  protected:
        /**
         * The mode parameter translation type
@@ -213,6 +220,11 @@ class CoreExport ModeHandler : public ServiceProvider
         */
        inline char GetModeChar() { return mode; }
 
+       /** Return the id of this mode which is used in User::modes and
+        * Channel::modes as the index to determine whether a mode is set.
+        */
+       Id GetId() const { return modeid; }
+
        /** For user modes, return the current parameter, if any
         */
        virtual std::string GetUserParameter(User* useor);
@@ -295,6 +307,8 @@ class CoreExport ModeHandler : public ServiceProvider
        virtual void RemoveMode(Channel* channel, irc::modestacker& stack);
 
        inline unsigned int GetLevelRequired() const { return levelrequired; }
+
+       friend class ModeParser;
 };
 
 /**
@@ -472,8 +486,15 @@ typedef std::multimap<std::string, ModeWatcher*>::iterator ModeWatchIter;
  * parses client to server MODE strings for user and channel modes, and performs
  * processing for the 004 mode list numeric, amongst other things.
  */
-class CoreExport ModeParser
+class CoreExport ModeParser : public fakederef<ModeParser>
 {
+ public:
+       static const ModeHandler::Id MODEID_MAX = 64;
+
+       /** Type of the container that maps mode names to ModeHandlers
+        */
+       typedef TR1NS::unordered_map<std::string, ModeHandler*, irc::insensitive, irc::StrHashComp> ModeHandlerMap;
+
  private:
        /** Last item in the ModeType enum
         */
@@ -486,6 +507,14 @@ class CoreExport ModeParser
         */
        ModeHandler* modehandlers[MODETYPE_LAST][128];
 
+       /** An array of mode handlers indexed by the mode id
+        */
+       ModeHandler* modehandlersbyid[MODETYPE_LAST][MODEID_MAX];
+
+       /** A map of mode handlers keyed by their name
+        */
+       ModeHandlerMap modehandlersbyname[MODETYPE_LAST];
+
        /** Lists of mode handlers by type
         */
        struct
@@ -531,6 +560,12 @@ class CoreExport ModeParser
         */
        void RecreateModeListFor004Numeric();
 
+       /** Allocates an unused id for the given mode type, throws a ModuleException if out of ids.
+        * @param mt The type of the mode to allocate the id for
+        * @return The id
+        */
+       ModeHandler::Id AllocateModeId(ModeType mt);
+
        /** The string representing the last set of modes to be parsed.
         * Use GetLastParse() to get this value, to be used for  display purposes.
         */
@@ -602,10 +637,12 @@ class CoreExport ModeParser
        const std::string& GetLastParse() const { return LastParse; }
        const std::vector<std::string>& GetLastParseParams() { return LastParseParams; }
        const std::vector<TranslateType>& GetLastParseTranslate() { return LastParseTranslate; }
+
        /** Add a mode to the mode parser.
-        * @return True if the mode was successfully added.
+        * Throws a ModuleException if the mode cannot be added.
         */
-       bool AddMode(ModeHandler* mh);
+       void AddMode(ModeHandler* mh);
+
        /** Delete a mode from the mode parser.
         * When a mode is deleted, the mode handler will be called
         * for every user (if it is a user mode) or for every  channel
@@ -641,6 +678,13 @@ class CoreExport ModeParser
         */
        void Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags = MODE_NONE);
 
+       /** Find the mode handler for a given mode name and type.
+        * @param modename The mode name to search for.
+        * @param mt Type of mode to search for, user or channel.
+        * @return A pointer to a ModeHandler class, or NULL of there isn't a handler for the given mode name.
+        */
+       ModeHandler* FindMode(const std::string& modename, ModeType mt);
+
        /** Find the mode handler for a given mode and type.
         * @param modeletter mode letter to search for
         * @param mt type of mode to search for, user or channel
@@ -691,6 +735,12 @@ class CoreExport ModeParser
         * @return A list containing all prefix modes
         */
        const PrefixModeList& GetPrefixModes() const { return mhlist.prefix; }
+
+       /** Get a mode name -> ModeHandler* map containing all modes of the given type
+        * @param mt Type of modes to return, MODETYPE_USER or MODETYPE_CHANNEL
+        * @return A map of mode handlers of the given type
+        */
+       const ModeHandlerMap& GetModes(ModeType mt) const { return modehandlersbyname[mt]; }
 };
 
 inline const std::string& ModeParser::GetModeListFor004Numeric()