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: #include "Database.h"
dvander@666: #include "HandleSys.h"
dvander@862: #include "ShareSys.h"
dvander@666: #include "sourcemod.h"
dvander@666: 
dvander@666: DBManager g_DBMan;
dvander@666: 
dvander@666: void DBManager::OnSourceModAllInitialized()
dvander@666: {
dvander@666: 	HandleAccess sec;
dvander@666: 
dvander@666: 	g_HandleSys.InitAccessDefaults(NULL, &sec);
dvander@666: 	sec.access[HandleAccess_Delete] |= HANDLE_RESTRICT_IDENTITY;
dvander@666: 	sec.access[HandleAccess_Clone] |= HANDLE_RESTRICT_IDENTITY;
dvander@666: 	
dvander@666: 	m_DriverType = g_HandleSys.CreateType("IDriver", this, 0, NULL, &sec, g_pCoreIdent, NULL);
dvander@666: 	m_DatabaseType = g_HandleSys.CreateType("IDatabase", this, 0, NULL, NULL, g_pCoreIdent, NULL);
dvander@862: 
dvander@862: 	g_ShareSys.AddInterface(NULL, this);
dvander@858: }
dvander@858: 
dvander@858: void DBManager::OnSourceModShutdown()
dvander@858: {
dvander@858: 	g_HandleSys.RemoveType(m_DatabaseType, g_pCoreIdent);
dvander@858: 	g_HandleSys.RemoveType(m_DriverType, g_pCoreIdent);
dvander@858: }
dvander@858: 
dvander@858: unsigned int DBManager::GetInterfaceVersion()
dvander@858: {
dvander@858: 	return SMINTERFACE_DBI_VERSION;
dvander@858: }
dvander@858: 
dvander@858: const char *DBManager::GetInterfaceName()
dvander@858: {
dvander@858: 	return SMINTERFACE_DBI_NAME;
dvander@666: }
dvander@666: 
dvander@666: void DBManager::OnHandleDestroy(HandleType_t type, void *object)
dvander@666: {
dvander@666: 	if (type == m_DriverType)
dvander@666: 	{
dvander@666: 		/* Ignore */
dvander@666: 		return;
dvander@666: 	}
dvander@666: 
dvander@858: 	if (g_HandleSys.TypeCheck(type, m_DatabaseType))
dvander@666: 	{
dvander@666: 		IDatabase *pdb = (IDatabase *)object;
dvander@666: 		pdb->Close();
dvander@666: 	}
dvander@666: }
dvander@666: 
dvander@858: bool DBManager::Connect(const char *name, IDBDriver **pdr, IDatabase **pdb, bool persistent, char *error, size_t maxlength)
dvander@666: {
dvander@666: 	const DatabaseInfo *pInfo = FindDatabaseConf(name);
dvander@666: 
dvander@858: 	for (size_t i=0; i<m_drivers.size(); i++)
dvander@666: 	{
dvander@858: 		if (strcasecmp(pInfo->driver, m_drivers[i]->GetIdentifier()) == 0)
dvander@666: 		{
dvander@858: 			*pdr = m_drivers[i];
dvander@858: 			*pdb = m_drivers[i]->Connect(pInfo, persistent, error, maxlength);
dvander@858: 			return (*pdb == NULL);
dvander@666: 		}
dvander@666: 	}
dvander@666: 
dvander@666: 	*pdr = NULL;
dvander@666: 	*pdb = NULL;
dvander@666: 
dvander@666: 	return false;
dvander@666: }
dvander@858: 
dvander@858: void DBManager::AddDriver(IDBDriver *pDriver)
dvander@858: {
dvander@858: 	 m_drivers.push_back(pDriver);
dvander@858: }
dvander@858: 
dvander@858: void DBManager::RemoveDriver(IDBDriver *pDriver)
dvander@858: {
dvander@858: 	for (size_t i=0; i<m_drivers.size(); i++)
dvander@858: 	{
dvander@858: 		if (m_drivers[i] == pDriver)
dvander@858: 		{
dvander@858: 			m_drivers.erase(m_drivers.iterAt(i));
dvander@858: 			return;
dvander@858: 		}
dvander@858: 	}
dvander@858: }
dvander@858: 
dvander@858: Handle_t DBManager::CreateHandle(DBHandleType dtype, void *ptr, IdentityToken_t *pToken)
dvander@858: {
dvander@858: 	HandleType_t type = 0;
dvander@858: 
dvander@858: 	if (dtype == DBHandle_Driver)
dvander@858: 	{
dvander@858: 		type = m_DriverType;
dvander@858: 	} else if (dtype == DBHandle_Database) {
dvander@858: 		type = m_DatabaseType;
dvander@858: 	} else {
dvander@858: 		return BAD_HANDLE;
dvander@858: 	}
dvander@858: 
dvander@858: 	return g_HandleSys.CreateHandle(type, ptr, pToken, g_pCoreIdent, NULL);
dvander@858: }
dvander@858: 
dvander@858: HandleError DBManager::ReadHandle(Handle_t hndl, DBHandleType dtype, void **ptr)
dvander@858: {
dvander@858: 	HandleType_t type = 0;
dvander@858: 
dvander@858: 	if (dtype == DBHandle_Driver)
dvander@858: 	{
dvander@858: 		type = m_DriverType;
dvander@858: 	} else if (dtype == DBHandle_Database) {
dvander@858: 		type = m_DatabaseType;
dvander@858: 	} else {
dvander@858: 		return HandleError_Type;
dvander@858: 	}
dvander@858: 
dvander@858: 	HandleSecurity sec(NULL, g_pCoreIdent);
dvander@858: 
dvander@858: 	return g_HandleSys.ReadHandle(hndl, dtype, &sec, ptr);
dvander@858: }
dvander@858: 
dvander@858: HandleError DBManager::ReleaseHandle(Handle_t hndl, DBHandleType type, IdentityToken_t *token)
dvander@858: {
dvander@858: 	HandleSecurity sec(token, g_pCoreIdent);
dvander@858: 	return g_HandleSys.FreeHandle(hndl, &sec);
dvander@858: }
dvander@858: 
dvander@858: unsigned int DBManager::GetDriverCount()
dvander@858: {
dvander@858: 	return (unsigned int)m_drivers.size();
dvander@858: }
dvander@858: 
dvander@858: IDBDriver *DBManager::GetDriver(unsigned int index)
dvander@858: {
dvander@858: 	if (index >= m_drivers.size())
dvander@858: 	{
dvander@858: 		return NULL;
dvander@858: 	}
dvander@858: 
dvander@858: 	return m_drivers[index];
dvander@858: }
dvander@858: 
dvander@858: const DatabaseInfo *DBManager::FindDatabaseConf(const char *name)
dvander@858: {
dvander@858: 	/* :TODO: */
dvander@858: 	return NULL;
dvander@858: }