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202 lines
7.1 KiB
C++
202 lines
7.1 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef MODULE_MANAGER_H
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#define MODULE_MANAGER_H
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#include "nel/misc/factory.h"
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#include "nel/misc/dynloadlib.h"
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#include "nel/misc/common.h"
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#include "module_common.h"
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namespace NLNET
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{
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class CGatewayRoute;
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/** This is the interface for the module manager.
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* Module manager is in charge of module factoring and
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* referencing,
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* It is also an entry point when you need to retrieve
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* a module socket or a module gateway.
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*/
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class IModuleManager : public NLMISC::CRefCount
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{
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public:
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/// Check that the module manager is initialized
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static bool isInitialized();
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/// The module manager is a singleton
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static IModuleManager &getInstance();
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/// Must be called before releasing the instance, will call IModule::onApplicationExit on all module instance
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virtual void applicationExit() =0;
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/// Release the singleton instance
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static void releaseInstance();
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virtual ~IModuleManager() {}
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/** set the unique name root used for fully qualified name generation
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* (by default, it is the host name and process id)
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*/
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virtual void setUniqueNameRoot(const std::string &uniqueNameRoot) =0;
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/** get the unique name root used for fully qualified name generation
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* (by default, it is the host name and process id)
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*/
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virtual const std::string &getUniqueNameRoot() =0;
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/** Load a module library.
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* Module library are dll or so files that contains
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* one or more module implementation.
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* Loading the library add the modules to the module
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* factory.
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* If the library can be loaded, the method return true, false otherwise.
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*
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* The library name is the base name that will be 'decorated'
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* with the nel naming standard according to compilation mode
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* and platform specific file extension (.dll, .dylib or .so).
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*
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* A module library can only be loaded once. If the library
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* is already loaded, the call is ingored.
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*/
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virtual bool loadModuleLibrary(const std::string &libraryName) =0;
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/** Unload a module library.
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* Any module that come from the unloaded library
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* are immediately deleted.
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* If the specified library is not loaded, the
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* call is ignored.
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*/
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virtual bool unloadModuleLibrary(const std::string &libraryName) =0;
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/** Unregister a module factory
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*/
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virtual void unregisterModuleFactory(class IModuleFactory *moduleFactory) =0;
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/** Fill the vector with the list of available module.
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* Note that the vector is not cleared before being filled.
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*/
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virtual void getAvailableModuleClassList(std::vector<std::string> &moduleClassList) =0;
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/** Create a new module instance.
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* The method create a module of the specified class with the
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* specified local name.
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* The class MUST be available in the factory and the
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* name MUST be unique OR empty.
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* If the name is empty, the method generate a name using
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* the module class and a number.
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* If the module class could not be found, NULL is returned.
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* If the module fail to initialize properly, then it
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* deleted and NULL is returned.
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*/
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virtual IModule *createModule(const std::string &className, const std::string &localName, const std::string ¶mString) =0;
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/** Delete a module instance.
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* This is the only mean to delete a module instance.
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*/
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virtual void deleteModule(IModule *module) =0;
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/** Lookup in the created module for a module having the
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* specified local name.
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* Return NULL if not found.
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*/
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virtual IModule *getLocalModule(const std::string &moduleName) =0;
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/** Call this method to update all module instances.
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* If the application is a NeL service, then this method
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* is automaticly called in the service main loop.
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* If the application is a regular one, then you
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* have to call manually this method regularly
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* to update the modules.
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*/
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virtual void updateModules() =0;
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/** Lookup in the created socket for a socket having the
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* specified local name.
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*/
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virtual IModuleSocket *getModuleSocket(const std::string &socketName) =0;
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/** Register a socket in the manager.
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* TODO : make this method only available to CModuleSocket to prevent dramatic ERROR
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*/
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virtual void registerModuleSocket(IModuleSocket *moduleSocket) =0;
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/** UrRegister a socket in the manager.
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* TODO : make this method only available to CModuleSocket to prevent dramatic ERROR
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*/
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virtual void unregisterModuleSocket(IModuleSocket *moduleSocket) =0;
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/** Lookup in the created gateway for a gateway having the
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* specified local name.
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*/
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virtual IModuleGateway *getModuleGateway(const std::string &gatewayName) =0;
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/** Register a gateway in the manager.
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*/
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virtual void registerModuleGateway(IModuleGateway *moduleGateway) =0;
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/** UrRegister a socket in the manager.
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*/
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virtual void unregisterModuleGateway(IModuleGateway *moduleGateway) =0;
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/** Get a module proxy with the module proxy ID */
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virtual TModuleProxyPtr getModuleProxy(TModuleId moduleProxyId) =0;
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/** Called by the gateway module to create new module proxy
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* Module proxy are an easy way for implementor to send
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* message to a module, without having to retrieve
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* the gateway that discovered the destination module.
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* When module are created and plugged on a gateway,
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* the gateway automaticly create a proxy
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* for each local module and each foreing module.
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*/
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virtual IModuleProxy *createModuleProxy( IModuleGateway *gateway,
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CGatewayRoute *route,
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uint32 distance,
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IModule *localModule,
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const std::string &moduleClassName,
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const std::string &moduleFullyQualifiedName,
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const std::string &moduleManifest,
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// const TModuleGatewayProxyPtr &foreignGateway,
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TModuleId foreignModuleId) =0;
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virtual void releaseModuleProxy(TModuleId moduleProxyId) =0;
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virtual uint32 getNbModule() =0;
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virtual uint32 getNbModuleProxy() =0;
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};
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typedef NLMISC::CFactoryIndirect<IModuleFactory, std::string> TLocalModuleFactoryRegistry;
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/** Class for pure NeL module library */
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class CNelModuleLibrary : public NLMISC::INelLibrary
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{
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public:
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/** Return the local module factory.*/
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virtual TLocalModuleFactoryRegistry &getLocalModuleFactoryRegistry()
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{
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return TLocalModuleFactoryRegistry::instance();
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}
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virtual void onLibraryLoaded(bool /* firstTime */) {}
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virtual void onLibraryUnloaded(bool /* lastTime */) {}
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};
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} // namespace NLNET
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#endif // MODULE_MANAGER_H
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