b5de3eb588
https://crash.limetech.org/stats/dbi.mysql.ext.%25/my_real_read https://crash.limetech.org/stats/dbi.mysql.ext.%25/net_real_write Both of these are caused by the VIO ptr ending up as null in the middle of reading/writing to a connection - I can't find any indication of a fix for this made to MySQL, so don't think it is a bug fix we're missing, but there are some musings around the internet that it could be caused by improper thread-safety initialisation. `my_init` (what we had here) is called internally by `mysql_library_init` but I think would have still led to an automatic `mysql_library_init` call the first time `mysql_init` was called (which we can do on a thread in case of threaded connections), which is exactly the thread-safety issue called out by the MySQL docs, so hopefully doing things properly here will help.
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod MySQL Extension
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* Copyright (C) 2004-2010 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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#include <sourcemod_version.h>
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#include "extension.h"
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#include "mysql/MyDriver.h"
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#include <assert.h>
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#include <stdlib.h>
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/**
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* @file extension.cpp
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* @brief Implement extension code here.
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*/
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DBI_MySQL g_MySqlDBI; /**< Global singleton for extension's main interface */
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SMEXT_LINK(&g_MySqlDBI);
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bool DBI_MySQL::SDK_OnLoad(char *error, size_t maxlength, bool late)
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{
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if (mysql_library_init(0, NULL, NULL) != 0) {
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smutils->Format(error, maxlength, "Could not initialize MySQL client library");
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return false;
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}
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dbi->AddDriver(&g_MyDriver);
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return true;
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}
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void DBI_MySQL::SDK_OnUnload()
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{
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dbi->RemoveDriver(&g_MyDriver);
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mysql_library_end();
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}
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const char *DBI_MySQL::GetExtensionVerString()
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{
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return SOURCEMOD_VERSION;
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}
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const char *DBI_MySQL::GetExtensionDateString()
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{
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return SOURCEMOD_BUILD_TIME;
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}
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