47eb7d60e5
When the server crashed and the process got terminated, the SqDriver instance was killed first (e.g. by atexit). SqDatabase tries to access SqDriver in its destructor. This patch tells SqDatabase to not use anything from SqDriver anymore after SqDriver got destroyed. Next to that, the clientprefs extension relied on the IDatabase pointer being valid to get the driver pointer. Cache the pointer, so the dbi system still knows the IDBThreadOperation belonged to the now gone driver, even after the database object is gone.
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/**
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* vim: set ts=4 sw=4 tw=99 noet :
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* =============================================================================
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* SourceMod SQLite Extension
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* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#ifndef _INCLUDE_SQLITE_SOURCEMOD_DRIVER_H_
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#define _INCLUDE_SQLITE_SOURCEMOD_DRIVER_H_
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#define SOURCEMOD_SQL_DRIVER_CODE
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#include <IDBDriver.h>
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#include <sh_list.h>
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#include <sh_string.h>
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#include <am-thread-utils.h>
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#include "sqlite-source/sqlite3.h"
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using namespace SourceMod;
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using namespace SourceHook;
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struct SqDbInfo
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{
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String path;
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IDatabase *db;
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};
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/**
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* Tee-hee.. sounds like "screw driver," except maybe if
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* Elmer Fudd was saying it.
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*/
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class SqDriver : public IDBDriver
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{
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public:
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SqDriver();
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~SqDriver();
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void Initialize();
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void Shutdown();
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public:
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IDatabase *Connect(const DatabaseInfo *info, bool persistent, char *error, size_t maxlength);
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const char *GetIdentifier();
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const char *GetProductName();
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Handle_t GetHandle();
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IdentityToken_t *GetIdentity();
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bool IsThreadSafe();
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bool InitializeThreadSafety();
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void ShutdownThreadSafety();
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public:
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void RemovePersistent(IDatabase *pdb);
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private:
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Handle_t m_Handle;
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ke::Mutex m_OpenLock;
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List<SqDbInfo> m_Cache;
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bool m_bThreadSafe;
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bool m_bShutdown;
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};
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extern SqDriver g_SqDriver;
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unsigned int strncopy(char *dest, const char *src, size_t count);
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#endif //_INCLUDE_SQLITE_SOURCEMOD_DRIVER_H_
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