windows-nt/Source/XPSP1/NT/inetsrv/iis/svcs/cmp/asp/memcls.cpp

321 lines
11 KiB
C++
Raw Normal View History

2020-09-26 03:20:57 -05:00
/*===================================================================
Microsoft Denali
Microsoft Confidential.
Copyright 1996 Microsoft Corporation. All Rights Reserved.
Component: Per-Class Memory Management
File: Memcls.cpp
Owner: dmitryr
This file contains the code to access ATQ memory cache on per
class basis
===================================================================*/
#include "denpre.h"
#pragma hdrstop
#include "asperror.h"
#include "clcert.h"
#include "context.h"
#include "cookies.h"
#include "request.h"
#include "response.h"
#include "server.h"
#include "strlist.h"
#include "tlbcache.h"
#include "memcls.h"
// Don't #include "memchk.h" in this file
/*===================================================================
DEBUG only
gs_cTotalObjectsLeaked counts memory leaks
DebugCheckLeaks() outputs the ATQ cache memory
leaks into denmem.log
DEBUG_ACACHE_UNINIT() and DEBUG_ACACHE_FSA_UNINIT() call
DebugCheckLeaks() in DEBUG mode only
===================================================================*/
#ifdef DBG
static DWORD gs_cTotalObjectsLeaked = 0;
#define SZ_MEMCLS_LOG_FILE "C:\\TEMP\\MEMCLS.LOG"
static void DebugCheckLeaks(ALLOC_CACHE_HANDLER *pach, const char *szClass)
{
ALLOC_CACHE_STATISTICS acStats;
pach->QueryStats(&acStats);
DWORD cLeaked = acStats.nTotal - acStats.nFreeEntries;
if (cLeaked > 0)
{
gs_cTotalObjectsLeaked += cLeaked;
DebugFilePrintf
(
SZ_MEMCLS_LOG_FILE,
"MEMCLS: ATQ allocation cache leak: %d of %s objects.\n",
cLeaked,
szClass
);
}
}
#define DEBUG_ACACHE_UNINIT(C) { DebugCheckLeaks(C::sm_pach, #C); \
ACACHE_UNINIT(C) }
#define DEBUG_ACACHE_FSA_UNINIT(C) { DebugCheckLeaks(g_pach##C, #C); \
ACACHE_FSA_UNINIT(C) }
#else
#define DEBUG_ACACHE_UNINIT(C) ACACHE_UNINIT(C)
#define DEBUG_ACACHE_FSA_UNINIT(C) ACACHE_FSA_UNINIT(C)
#endif
/*===================================================================
For each class with ACACHE_INCLASS_DEFINITIONS() inside add
here ACACHE_CODE macro.
===================================================================*/
ACACHE_CODE(C449Cookie)
ACACHE_CODE(C449File)
ACACHE_CODE(CASEElem)
ACACHE_CODE(CActiveScriptEngine)
ACACHE_CODE(CAppln)
ACACHE_CODE(CApplnVariants)
ACACHE_CODE(CASPError)
ACACHE_CODE(CClCert)
ACACHE_CODE(CComponentCollection)
ACACHE_CODE(CComponentObject)
ACACHE_CODE(CCookie)
ACACHE_CODE(CDebugResponseBuffer)
ACACHE_CODE(CEngineDispElem)
ACACHE_CODE(CFileApplnList)
ACACHE_CODE(CHitObj)
ACACHE_CODE(CHTTPHeader)
ACACHE_CODE(CIsapiReqInfo)
ACACHE_CODE(CPageComponentManager)
ACACHE_CODE(CPageObject)
ACACHE_CODE(CRequest)
ACACHE_CODE(CRequestData)
ACACHE_CODE(CRequestHit)
ACACHE_CODE(CResponse)
ACACHE_CODE(CResponseBuffer)
ACACHE_CODE(CResponseData)
ACACHE_CODE(CScriptingNamespace)
ACACHE_CODE(CScriptingContext)
ACACHE_CODE(CServer)
ACACHE_CODE(CServerData)
ACACHE_CODE(CSession)
ACACHE_CODE(CSessionVariants)
ACACHE_CODE(CStringList)
ACACHE_CODE(CStringListElem)
ACACHE_CODE(CTemplate)
//ACACHE_CODE(CTemplate::CBuffer)
ACACHE_CODE(CTemplate::CFileMap)
ACACHE_CODE(CTypelibCacheEntry)
ACACHE_CODE(CVariantsIterator)
ACACHE_CODE(CViperActivity)
ACACHE_CODE(CViperAsyncRequest)
/*===================================================================
For each fixed size allocator add here ACACHE_FSA_DEFINITION macro.
===================================================================*/
ACACHE_FSA_DEFINITION(MemBlock128)
ACACHE_FSA_DEFINITION(MemBlock256)
ACACHE_FSA_DEFINITION(ResponseBuffer)
/*===================================================================
Defines for cache threshold of each kind
===================================================================*/
#define HARDCODED_PER_APPLN_CACHE_MAX 128
#define HARDCODED_PER_REQUEST_CACHE_MAX 1024
#define HARDCODED_PER_QUEUEITEM_CACHE_MAX 8192
#define HARDCODED_PER_SESSION_CACHE_MAX 8192
#define HARDCODED_PER_SCRPTENG_CACHE_MAX 256
#define HARDCODED_PER_TEMPLATE_CACHE_MAX 2048
#define HARDCODED_PER_RESPONSE_BUFFER_MAX 64
#define HARDCODED_PER_SIZE_BUFFER_MAX 4096
// do scaling per registry setting
DWORD dwMemClsScaleFactor;
#define PER_APPLN_CACHE_MAX ((HARDCODED_PER_APPLN_CACHE_MAX * dwMemClsScaleFactor) / 100)
#define PER_REQUEST_CACHE_MAX ((HARDCODED_PER_REQUEST_CACHE_MAX * dwMemClsScaleFactor) / 100)
#define PER_QUEUEITEM_CACHE_MAX ((HARDCODED_PER_QUEUEITEM_CACHE_MAX * dwMemClsScaleFactor) / 100)
#define PER_SESSION_CACHE_MAX ((HARDCODED_PER_SESSION_CACHE_MAX * dwMemClsScaleFactor) / 100)
#define PER_SCRPTENG_CACHE_MAX ((HARDCODED_PER_SCRPTENG_CACHE_MAX * dwMemClsScaleFactor) / 100)
#define PER_TEMPLATE_CACHE_MAX ((HARDCODED_PER_TEMPLATE_CACHE_MAX * dwMemClsScaleFactor) / 100)
#define PER_RESPONSE_BUFFER_MAX ((HARDCODED_PER_RESPONSE_BUFFER_MAX * dwMemClsScaleFactor) / 100)
#define PER_SIZE_BUFFER_MAX ((HARDCODED_PER_SIZE_BUFFER_MAX * dwMemClsScaleFactor) / 100)
/*===================================================================
InitMemCls
To be called from DllInit(). Creates per-class ATQ memory allocators.
For each class with ACACHE_INCLASS_DEFINITIONS() inside add
here ACACHE_INIT macro.
For each ACACHE_FSA_DEFINITION() add here ACACHE_FSA_INIT macro.
Parameters
Returns:
HRESULT
===================================================================*/
HRESULT InitMemCls()
{
// Set the scaling to normal
dwMemClsScaleFactor = 100;
// Init the allocators
HRESULT hr = S_OK;
ACACHE_INIT(C449Cookie, PER_TEMPLATE_CACHE_MAX/4, hr)
ACACHE_INIT(C449File, PER_TEMPLATE_CACHE_MAX/4, hr)
ACACHE_INIT(CASEElem, PER_SCRPTENG_CACHE_MAX, hr)
ACACHE_INIT(CActiveScriptEngine, PER_SCRPTENG_CACHE_MAX, hr)
ACACHE_INIT_EX(CAppln, PER_APPLN_CACHE_MAX, FALSE, hr)
ACACHE_INIT(CApplnVariants, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CASPError, PER_RESPONSE_BUFFER_MAX,hr)
ACACHE_INIT(CClCert, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CComponentCollection, PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CComponentObject, 2*PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CCookie, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CDebugResponseBuffer, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CEngineDispElem, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CFileApplnList, 2*PER_APPLN_CACHE_MAX, hr)
ACACHE_INIT(CHitObj, PER_QUEUEITEM_CACHE_MAX,hr)
ACACHE_INIT(CHTTPHeader, 2*PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CIsapiReqInfo, PER_QUEUEITEM_CACHE_MAX,hr)
ACACHE_INIT(CPageComponentManager, PER_QUEUEITEM_CACHE_MAX,hr)
ACACHE_INIT(CPageObject, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CRequest, PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CRequestData, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CRequestHit, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CResponse, PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CResponseBuffer, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CResponseData, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CScriptingContext, PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CScriptingNamespace, PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CServer, PER_SESSION_CACHE_MAX, hr)
ACACHE_INIT(CServerData, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT_EX(CSession, PER_SESSION_CACHE_MAX, FALSE, hr)
ACACHE_INIT(CSessionVariants, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CStringList, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CStringListElem, 2*PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CTemplate, PER_TEMPLATE_CACHE_MAX, hr)
// ACACHE_INIT(CTemplate::CBuffer, PER_TEMPLATE_CACHE_MAX, hr)
ACACHE_INIT(CTemplate::CFileMap, PER_TEMPLATE_CACHE_MAX, hr)
ACACHE_INIT(CTypelibCacheEntry, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CVariantsIterator, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CViperActivity, PER_REQUEST_CACHE_MAX, hr)
ACACHE_INIT(CViperAsyncRequest, PER_QUEUEITEM_CACHE_MAX,hr)
ACACHE_FSA_INIT(MemBlock128, 128, PER_SIZE_BUFFER_MAX, hr)
ACACHE_FSA_INIT(MemBlock256, 256, PER_SIZE_BUFFER_MAX, hr)
ACACHE_FSA_INIT(ResponseBuffer, RESPONSE_BUFFER_SIZE, PER_RESPONSE_BUFFER_MAX, hr)
#ifdef DBG
unlink(SZ_MEMCLS_LOG_FILE);
DebugFilePrintf
(
SZ_MEMCLS_LOG_FILE,
"MEMCLS: ATQ allocation cache inited with HRESULT=%08x.\n",
hr
);
#endif
return hr;
}
/*===================================================================
UnInitMemCls
To be called from DllInit(). Deletes per-class ATQ memory allocators.
For each class with ACACHE_INCLASS_DEFINITIONS() inside add
here ACACHE_UNINIT macro.
For each ACACHE_FSA_DEFINITION() add here ACACHE_FSA_UNINIT macro.
Parameters
Returns:
HRESULT
===================================================================*/
HRESULT UnInitMemCls()
{
#ifdef DBG
gs_cTotalObjectsLeaked = 0;
#endif
DEBUG_ACACHE_UNINIT(C449Cookie)
DEBUG_ACACHE_UNINIT(C449File)
DEBUG_ACACHE_UNINIT(CASEElem)
DEBUG_ACACHE_UNINIT(CActiveScriptEngine)
DEBUG_ACACHE_UNINIT(CAppln)
DEBUG_ACACHE_UNINIT(CApplnVariants)
DEBUG_ACACHE_UNINIT(CASPError)
DEBUG_ACACHE_UNINIT(CClCert)
DEBUG_ACACHE_UNINIT(CComponentCollection)
DEBUG_ACACHE_UNINIT(CComponentObject)
DEBUG_ACACHE_UNINIT(CCookie)
DEBUG_ACACHE_UNINIT(CDebugResponseBuffer)
DEBUG_ACACHE_UNINIT(CEngineDispElem)
DEBUG_ACACHE_UNINIT(CFileApplnList)
DEBUG_ACACHE_UNINIT(CHitObj)
DEBUG_ACACHE_UNINIT(CHTTPHeader)
DEBUG_ACACHE_UNINIT(CIsapiReqInfo)
DEBUG_ACACHE_UNINIT(CPageComponentManager)
DEBUG_ACACHE_UNINIT(CPageObject)
DEBUG_ACACHE_UNINIT(CRequest)
DEBUG_ACACHE_UNINIT(CRequestData)
DEBUG_ACACHE_UNINIT(CRequestHit)
DEBUG_ACACHE_UNINIT(CResponse)
DEBUG_ACACHE_UNINIT(CResponseBuffer)
DEBUG_ACACHE_UNINIT(CResponseData)
DEBUG_ACACHE_UNINIT(CScriptingNamespace)
DEBUG_ACACHE_UNINIT(CScriptingContext)
DEBUG_ACACHE_UNINIT(CServer)
DEBUG_ACACHE_UNINIT(CServerData)
DEBUG_ACACHE_UNINIT(CSession)
DEBUG_ACACHE_UNINIT(CSessionVariants)
DEBUG_ACACHE_UNINIT(CStringList)
DEBUG_ACACHE_UNINIT(CStringListElem)
DEBUG_ACACHE_UNINIT(CTemplate)
// DEBUG_ACACHE_UNINIT(CTemplate::CBuffer)
DEBUG_ACACHE_UNINIT(CTemplate::CFileMap)
DEBUG_ACACHE_UNINIT(CTypelibCacheEntry)
DEBUG_ACACHE_UNINIT(CVariantsIterator)
DEBUG_ACACHE_UNINIT(CViperActivity)
DEBUG_ACACHE_UNINIT(CViperAsyncRequest)
DEBUG_ACACHE_FSA_UNINIT(MemBlock128)
DEBUG_ACACHE_FSA_UNINIT(MemBlock256)
DEBUG_ACACHE_FSA_UNINIT(ResponseBuffer)
#ifdef DBG
DebugFilePrintf
(
SZ_MEMCLS_LOG_FILE,
"MEMCLS: ATQ allocation cache uninited.\n"
"MEMCLS: Total of %d ASP objects leaked.\n",
gs_cTotalObjectsLeaked
);
#endif
return S_OK;
}