VF_CORE = 16 // module is a core command, can be assumed loaded on all servers
};
-/** Used with SendToMode()
- */
-enum WriteModeFlags {
- WM_AND = 1,
- WM_OR = 2
-};
-
/** Used to represent an event type, for user, channel or server
*/
enum TargetTypeFlags {
void Send();
};
+class CoreExport DataProvider : public ServiceProvider
+{
+ public:
+ DataProvider(Module* Creator, const std::string& Name)
+ : ServiceProvider(Creator, Name, SERVICE_DATA) {}
+};
+
+class CoreExport dynamic_reference_base : public interfacebase
+{
+ private:
+ std::string name;
+ protected:
+ DataProvider* value;
+ public:
+ ModuleRef creator;
+ dynamic_reference_base(Module* Creator, const std::string& Name);
+ ~dynamic_reference_base();
+ inline void ClearCache() { value = NULL; }
+ inline const std::string& GetProvider() { return name; }
+ void SetProvider(const std::string& newname);
+ void lookup();
+ operator bool();
+};
+
+template<typename T>
+class dynamic_reference : public dynamic_reference_base
+{
+ public:
+ dynamic_reference(Module* Creator, const std::string& Name)
+ : dynamic_reference_base(Creator, Name) {}
+ inline T* operator->()
+ {
+ if (!value)
+ lookup();
+ return static_cast<T*>(value);
+ }
+};
+
/** Priority types which can be used by Module::Prioritize()
*/
enum Priority { PRIORITY_FIRST, PRIORITY_DONTCARE, PRIORITY_LAST, PRIORITY_BEFORE, PRIORITY_AFTER };
* its methods will be called when irc server events occur. class inherited from module must be
* instantiated by the ModuleFactory class (see relevent section) for the module to be initialised.
*/
-class CoreExport Module : public classbase
+class CoreExport Module : public classbase, public usecountbase
{
- unsigned int refcount;
- friend class reference_base;
public:
/** File that this module was loaded from
*/
*/
std::string LastModuleError;
- /** The feature names published by various modules
- */
- featurelist Features;
-
- /** The interface names published by various modules
- */
- interfacelist Interfaces;
-
/** Total number of modules loaded into the ircd
*/
int ModCount;
*/
IntModuleList EventHandlers[I_END];
+ /** List of data services keyed by name */
+ std::multimap<std::string, ServiceProvider*> DataProviders;
+
+ /** List of all dynamic references that are currently active */
+ std::vector<dynamic_reference_base*> ActiveDynrefs;
+
/** Simple, bog-standard, boring constructor.
*/
ModuleManager();
*/
Module* Find(const std::string &name);
- /** Publish a 'feature'.
- * There are two ways for a module to find another module it depends on.
- * Either by name, using InspIRCd::FindModule, or by feature, using this
- * function. A feature is an arbitary string which identifies something this
- * module can do. For example, if your module provides SSL support, but other
- * modules provide SSL support too, all the modules supporting SSL should
- * publish an identical 'SSL' feature. This way, any module requiring use
- * of SSL functions can just look up the 'SSL' feature using FindFeature,
- * then use the module pointer they are given.
- * @param FeatureName The case sensitive feature name to make available
- * @param Mod a pointer to your module class
- * @returns True on success, false if the feature is already published by
- * another module.
- */
- bool PublishFeature(const std::string &FeatureName, Module* Mod);
-
- /** Publish a module to an 'interface'.
- * Modules which implement the same interface (the same way of communicating
- * with other modules) can publish themselves to an interface, using this
- * method. When they do so, they become part of a list of related or
- * compatible modules, and a third module may then query for that list
- * and know that all modules within that list offer the same API.
- * A prime example of this is the hashing modules, which all accept the
- * same types of Request class. Consider this to be similar to PublishFeature,
- * except for that multiple modules may publish the same 'feature'.
- * @param InterfaceName The case sensitive interface name to make available
- * @param Mod a pointer to your module class
- * @returns True on success, false on failure (there are currently no failure
- * cases)
- */
- bool PublishInterface(const std::string &InterfaceName, Module* Mod);
-
- /** Return a pair saying how many other modules are currently using the
- * interfaces provided by module m.
- * @param m The module to count usage for
- * @return A pair, where the first value is the number of uses of the interface,
- * and the second value is the interface name being used.
- */
- std::pair<int,std::string> GetInterfaceInstanceCount(Module* m);
-
- /** Mark your module as using an interface.
- * If you mark your module as using an interface, then that interface
- * module may not unload until your module has unloaded first.
- * This can be used to prevent crashes by ensuring code you depend on
- * is always in memory while your module is active.
- * @param InterfaceName The interface to use
- */
- void UseInterface(const std::string &InterfaceName);
-
- /** Mark your module as finished with an interface.
- * If you used UseInterface() above, you should use this method when
- * your module is finished with the interface (usually in its destructor)
- * to allow the modules which implement the given interface to be unloaded.
- * @param InterfaceName The interface you are finished with using.
- */
- void DoneWithInterface(const std::string &InterfaceName);
-
- /** Unpublish a 'feature'.
- * When your module exits, it must call this method for every feature it
- * is providing so that the feature table is cleaned up.
- * @param FeatureName the feature to remove
- */
- bool UnpublishFeature(const std::string &FeatureName);
-
- /** Unpublish your module from an interface
- * When your module exits, it must call this method for every interface
- * it is part of so that the interfaces table is cleaned up. Only when
- * the last item is deleted from an interface does the interface get
- * removed.
- * @param InterfaceName the interface to be removed from
- * @param Mod The module to remove from the interface list
- */
- bool UnpublishInterface(const std::string &InterfaceName, Module* Mod);
-
- /** Find a 'feature'.
- * There are two ways for a module to find another module it depends on.
- * Either by name, using InspIRCd::FindModule, or by feature, using the
- * InspIRCd::PublishFeature method. A feature is an arbitary string which
- * identifies something this module can do. For example, if your module
- * provides SSL support, but other modules provide SSL support too, all
- * the modules supporting SSL should publish an identical 'SSL' feature.
- * To find a module capable of providing the feature you want, simply
- * call this method with the feature name you are looking for.
- * @param FeatureName The feature name you wish to obtain the module for
- * @returns A pointer to a valid module class on success, NULL on failure.
- */
- Module* FindFeature(const std::string &FeatureName);
-
- /** Find an 'interface'.
- * An interface is a list of modules which all implement the same API.
- * @param InterfaceName The Interface you wish to obtain the module
- * list of.
- * @return A pointer to a deque of Module*, or NULL if the interface
- * does not exist.
- */
- modulelist* FindInterface(const std::string &InterfaceName);
-
- /** Determine if a module has published the named interface.
- * This could be used in, for example, OnLoadModule to pick up other modules that can be used.
- * @param mod The module to check.
- * @param InterfaceName the interface you want to check for
- * @return True if the module provides the interface, false otherwise.
- */
- bool ModuleHasInterface(Module* mod, const std::string& InterfaceName);
-
- /** Given a pointer to a Module, return its filename
- * @param m The module pointer to identify
- * @return The module name or an empty string
- */
- const std::string& GetModuleName(Module* m);
+ /** Register a service provided by a module */
+ void AddService(ServiceProvider&);
+
+ inline void AddServices(ServiceProvider** list, int count)
+ {
+ for(int i=0; i < count; i++)
+ AddService(*list[i]);
+ }
+
+ /** Find a service by name.
+ * If multiple modules provide a given service, the first one loaded will be chosen.
+ */
+ ServiceProvider* FindService(ServiceType Type, const std::string& name);
+
+ template<typename T> inline T* FindDataService(const std::string& name)
+ {
+ return static_cast<T*>(FindService(SERVICE_DATA, name));
+ }
/** Return a list of all modules matching the given filter
* @param filter This int is a bitmask of flags set in Module::Flags,
#define MODULE_INIT_SYM_FN_2(x) MODULE_INIT_SYM_FN_1(x)
#define MODULE_INIT_SYM_FN_1(x) inspircd_module_ ## x
+#ifdef PURE_STATIC
+
+struct AllCommandList {
+ typedef Command* (*fn)(Module*);
+ AllCommandList(fn cmd);
+};
+#define COMMAND_INIT(x) static Command* MK_ ## x(Module* m) { return new x(m); } \
+ static const AllCommandList PREP_ ## x(&MK_ ## x);
+
+struct AllModuleList {
+ typedef Module* (*fn)();
+ fn init;
+ std::string name;
+ AllModuleList(fn mod, const std::string& Name);
+};
+
+#define MODULE_INIT(x) static Module* MK_ ## x() { return new x; } \
+ static const AllModuleList PREP_ ## x(&MK_ ## x, #x);
+
+
+#else
+
/** This definition is used as shorthand for the various classes
* and functions needed to make a module loadable by the OS.
* It defines the class factory and external init_module function.
#define COMMAND_INIT(c) MODULE_INIT(CommandModule<c>)
#endif
+
+#endif
projects / user / henk / code / inspircd.git / blobdiff