dvander@667: /**
dvander@667:  * vim: set ts=4 :
dvander@667:  * ===============================================================
dvander@667:  * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
dvander@667:  * ===============================================================
dvander@667:  *
dvander@667:  * This file is not open source and may not be copied without explicit
dvander@667:  * written permission of AlliedModders LLC.  This file may not be redistributed 
dvander@667:  * in whole or significant part.
dvander@667:  * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
dvander@667:  *
dvander@667:  * Version: $Id$
dvander@667:  */
dvander@667: 
dvander@666: #ifndef _INCLUDE_DATABASE_MANAGER_H_
dvander@666: #define _INCLUDE_DATABASE_MANAGER_H_
dvander@666: 
dvander@666: #include <IDBDriver.h>
dvander@666: #include "sm_globals.h"
dvander@666: #include <sh_vector.h>
dvander@868: #include <sh_string.h>
dvander@868: #include <sh_list.h>
dvander@868: #include <ITextParsers.h>
dvander@868: #include "sm_memtable.h"
dvander@1096: #include <IThreader.h>
dvander@1096: #include "sm_simple_prioqueue.h"
dvander@1096: #include "PluginSys.h"
dvander@666: 
dvander@666: using namespace SourceHook;
dvander@666: 
dvander@868: struct ConfDbInfo
dvander@868: {
dvander@868: 	ConfDbInfo() : name(-1), driver(-1), host(-1), user(-1), pass(-1), 
dvander@868: 		database(-1), realDriver(NULL)
dvander@868: 	{
dvander@868: 	}
dvander@868: 	int name;
dvander@868: 	int driver;
dvander@868: 	int host;
dvander@868: 	int user;
dvander@868: 	int pass;
dvander@868: 	int database;
dvander@868: 	IDBDriver *realDriver;
dvander@868: 	DatabaseInfo info;
dvander@868: };
dvander@868: 
dvander@1096: class IDBThreadOperation
dvander@1096: {
dvander@1096: public:
dvander@1096: 	virtual IDBDriver *GetDriver() =0;
dvander@1096: 	virtual CPlugin *GetPlugin() =0;
dvander@1096: 	virtual void RunThreadPart() =0;
dvander@1096: 	virtual void RunThinkPart() =0;
dvander@1096: 	virtual void CancelThinkPart() =0;
dvander@1096: };
dvander@1096: 
dvander@666: class DBManager : 
dvander@666: 	public IDBManager,
dvander@666: 	public SMGlobalClass,
dvander@868: 	public IHandleTypeDispatch,
dvander@1096: 	public ITextListener_SMC,
dvander@1096: 	public IThread,
dvander@1096: 	public IThreadWorkerCallbacks,
dvander@1096: 	public IPluginsListener
dvander@666: {
dvander@858: public:
dvander@868: 	DBManager();
dvander@868: public:
dvander@666: 	const char *GetInterfaceName();
dvander@666: 	unsigned int GetInterfaceVersion();
dvander@666: public: //SMGlobalClass
dvander@666: 	void OnSourceModAllInitialized();
dvander@868: 	void OnSourceModLevelChange(const char *mapName);
dvander@858: 	void OnSourceModShutdown();
dvander@666: public: //IHandleTypeDispatch
dvander@666: 	void OnHandleDestroy(HandleType_t type, void *object);
dvander@666: public: //IDBManager
dvander@858: 	void AddDriver(IDBDriver *pDrivera);
dvander@666: 	void RemoveDriver(IDBDriver *pDriver);
dvander@666: 	const DatabaseInfo *FindDatabaseConf(const char *name);
dvander@858: 	bool Connect(const char *name, IDBDriver **pdr, IDatabase **pdb, bool persistent, char *error, size_t maxlength);
dvander@666: 	unsigned int GetDriverCount();
dvander@858: 	IDBDriver *GetDriver(unsigned int index);
dvander@858: 	Handle_t CreateHandle(DBHandleType type, void *ptr, IdentityToken_t *pToken);
dvander@858: 	HandleError ReadHandle(Handle_t hndl, DBHandleType type, void **ptr);
dvander@858: 	HandleError ReleaseHandle(Handle_t hndl, DBHandleType type, IdentityToken_t *token);
dvander@868: public: //ITextListener_SMC
dvander@868: 	void ReadSMC_ParseStart();
dvander@868: 	SMCParseResult ReadSMC_NewSection(const char *name, bool opt_quotes);
dvander@868: 	SMCParseResult ReadSMC_KeyValue(const char *key, const char *value, bool key_quotes, bool value_quotes);
dvander@868: 	SMCParseResult ReadSMC_LeavingSection();
dvander@868: 	void ReadSMC_ParseEnd(bool halted, bool failed);
dvander@1096: public: //IThread
dvander@1096: 	void RunThread(IThreadHandle *pThread);
dvander@1096: 	void OnTerminate(IThreadHandle *pThread, bool cancel);
dvander@1096: public: //IThreadWorkerCallbacks
dvander@1096: 	void OnWorkerStart(IThreadWorker *pWorker);
dvander@1096: 	void OnWorkerStop(IThreadWorker *pWorker);
dvander@1096: public: //IPluginsListener
dvander@1096: 	void OnPluginUnloaded(IPlugin *plugin);
dvander@868: public:
dvander@868: 	ConfDbInfo *GetDatabaseConf(const char *name);
dvander@868: 	IDBDriver *FindOrLoadDriver(const char *name);
dvander@868: 	IDBDriver *GetDefaultDriver();
dvander@1096: 	const char *GetDefaultDriverName();
dvander@1096: 	bool AddToThreadQueue(IDBThreadOperation *op, PrioQueueLevel prio);
dvander@1096: 	void LockConfig();
dvander@1096: 	void UnlockConfig();
dvander@1096: 	void RunFrame();
dvander@1096: 	inline HandleType_t GetDatabaseType()
dvander@1096: 	{
dvander@1096: 		return m_DatabaseType;
dvander@1096: 	}
dvander@1096: private:
dvander@1096: 	void KillWorkerThread();
dvander@666: private:
dvander@858: 	CVector<IDBDriver *> m_drivers;
dvander@1096: 
dvander@1096: 	/* Threading stuff */
dvander@1096: 	PrioQueue<IDBThreadOperation *> m_OpQueue;
dvander@1096: 	Queue<IDBThreadOperation *> m_ThinkQueue;
dvander@1096: 	CVector<bool> m_drSafety;			/* which drivers are safe? */
dvander@1096: 	IThreadWorker *m_pWorker;			/* Worker thread object */
dvander@1096: 	IMutex *m_pConfigLock;				/* Configuration lock */
dvander@1096: 	IMutex *m_pQueueLock;				/* Queue safety lock */
dvander@1096: 	IMutex *m_pThinkLock;				/* Think-queue lock */
dvander@1096: 
dvander@868: 	List<ConfDbInfo> m_confs;
dvander@666: 	HandleType_t m_DriverType;
dvander@666: 	HandleType_t m_DatabaseType;
dvander@868: 	String m_DefDriver;
dvander@868: 	BaseStringTable m_StrTab;
dvander@868: 	char m_Filename[PLATFORM_MAX_PATH];
dvander@868: 	unsigned int m_ParseLevel;
dvander@868: 	unsigned int m_ParseState;
dvander@868: 	IDBDriver *m_pDefault;
dvander@666: };
dvander@666: 
dvander@666: extern DBManager g_DBMan;
dvander@666: 
dvander@666: #endif //_INCLUDE_DATABASE_MANAGER_H_