Leaked source code of windows server 2003
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1870 lines
38 KiB

//***************************************************************************
//
// PROVLOG.CPP
//
// Module: OLE MS PROVIDER FRAMEWORK
//
// Copyright (c) 1996-2001 Microsoft Corporation, All Rights Reserved
//
//***************************************************************************
#include <precomp.h>
#include <stdio.h>
#include <string.h>
#include <Allocator.h>
#include <Algorithms.h>
#include <Logging.h>
#include <scopeguard.h>
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
#define LOG_KEY L"Software\\Microsoft\\WBEM\\CIMOM\\Logging"
#define LOG_KEY_SLASH L"Software\\Microsoft\\WBEM\\CIMOM\\Logging\\"
#define LOGGING_ON L"Logging"
#define BACKSLASH_STRING L"\\"
#define DEFAULT_FILE_EXT L".log"
#define LOGGING_DIR_VALUE L"Logging Directory"
#define LOGGING_DIR_KEY L"Software\\Microsoft\\WBEM\\CIMOM"
#define DEFAULT_PATH L"C:\\"
#define DEFAULT_FILE_SIZE 0x100000
#define MIN_FILE_SIZE 1024
#define MAX_MESSAGE_SIZE 1024
#define LOG_FILE_NAME L"File"
#define LOG_LEVEL_NAME L"Level"
#define LOG_FILE_SIZE L"MaxFileSize"
#define LOG_TYPE_NAME L"Type"
#define LOG_TYPE_FILE_STRING L"File"
#define LOG_TYPE_DEBUG_STRING L"Debugger"
long WmiDebugLog :: s_ReferenceCount = 0 ;
typedef WmiBasicTree <WmiDebugLog *,WmiDebugLog *> LogContainer ;
typedef WmiBasicTree <WmiDebugLog *,WmiDebugLog *> :: Iterator LogContainerIterator ;
LogContainer *g_LogContainer = NULL ;
CriticalSection g_WmiDebugLogMapCriticalSection(NOTHROW_LOCK) ;
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
class WmiDebugTaskObject : public WmiTask <ULONG>
{
private:
HKEY m_LogKey ;
protected:
public:
WmiDebugTaskObject ( WmiAllocator &a_Allocator ) ;
~WmiDebugTaskObject () ;
WmiStatusCode Process ( WmiThread <ULONG> &a_Thread ) ;
void SetRegistryNotification () ;
} ;
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugTaskObject :: WmiDebugTaskObject (
WmiAllocator &a_Allocator
) : WmiTask <ULONG> ( a_Allocator ) ,
m_LogKey ( NULL )
{
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugTaskObject :: ~WmiDebugTaskObject ()
{
if ( m_LogKey )
RegCloseKey ( m_LogKey ) ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiStatusCode WmiDebugTaskObject :: Process ( WmiThread <ULONG> &a_Thread )
{
WmiDebugLog *t_WmiDebugLog = NULL ;
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
try
{
LogContainerIterator t_Iterator = g_LogContainer->Begin () ;
while ( ! t_Iterator.Null () )
{
t_Iterator.GetElement ()->LoadRegistry () ;
t_Iterator.GetElement ()->SetRegistry () ;
t_Iterator.Increment () ;
}
}
catch(Wmi_Heap_Exception&)
{
// ignore it
}
WmiHelper :: LeaveCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
}
SetRegistryNotification () ;
Complete () ;
return e_StatusCode_EnQueue ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
typedef LONG ( *FuncRegNotifyChangeKeyValue ) (
HKEY hKey,
BOOL bWatchSubtree,
DWORD dwNotifyFilter,
HANDLE hEvent,
BOOL fAsynchronous
) ;
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugTaskObject :: SetRegistryNotification ()
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
if ( m_LogKey )
{
RegCloseKey ( m_LogKey ) ;
m_LogKey = NULL ;
}
LONG t_Status = RegCreateKeyEx (
HKEY_LOCAL_MACHINE,
LOGGING_DIR_KEY ,
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&m_LogKey,
NULL
) ;
if ( t_Status == ERROR_SUCCESS )
{
OSVERSIONINFO t_OS;
t_OS.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if ( ! GetVersionEx ( & t_OS ) )
{
WmiHelper :: LeaveCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
return ;
}
if ( ! ( t_OS.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS && t_OS.dwMinorVersion == 0 ) )
{
t_Status = RegNotifyChangeKeyValue (
m_LogKey ,
TRUE ,
REG_NOTIFY_CHANGE_LAST_SET ,
GetEvent () ,
TRUE
) ;
if ( t_Status == ERROR_SUCCESS )
{
}
}
}
WmiHelper :: LeaveCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
class WmiDebugThreadObject : public WmiThread <ULONG>
{
private:
WmiDebugTaskObject *m_WmiDebugTaskObject ;
WmiAllocator &m_Allocator ;
public:
WmiDebugThreadObject ( WmiAllocator &a_Allocator , const wchar_t *a_Thread ) ;
~WmiDebugThreadObject () ;
WmiStatusCode Initialize () ;
WmiDebugTaskObject *GetTaskObject () ;
} ;
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugThreadObject *g_WmiDebugLogThread = NULL ;
WmiDebugLog *WmiDebugLog :: s_WmiDebugLog = NULL ;
BOOL WmiDebugLog :: s_Initialised = FALSE ;
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugThreadObject :: WmiDebugThreadObject (
WmiAllocator &a_Allocator ,
const wchar_t *a_Thread
) : WmiThread <ULONG> ( a_Allocator , a_Thread ) ,
m_WmiDebugTaskObject ( NULL ) ,
m_Allocator ( a_Allocator )
{
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugThreadObject :: ~WmiDebugThreadObject ()
{
delete WmiDebugLog :: s_WmiDebugLog ;
WmiDebugLog :: s_WmiDebugLog = NULL ;
if ( m_WmiDebugTaskObject )
{
delete m_WmiDebugTaskObject ;
}
WmiHelper :: DeleteCriticalSection ( & g_WmiDebugLogMapCriticalSection ) ;
delete g_LogContainer ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiStatusCode WmiDebugThreadObject :: Initialize ()
{
WmiStatusCode t_StatusCode = WmiHelper :: InitializeCriticalSection ( & g_WmiDebugLogMapCriticalSection ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
g_LogContainer = new LogContainer ( m_Allocator ) ;
if ( g_LogContainer )
{
m_WmiDebugTaskObject = new WmiDebugTaskObject ( m_Allocator ) ;
if ( m_WmiDebugTaskObject )
{
WmiDebugLog :: s_WmiDebugLog = new WmiDebugLog ( m_Allocator ) ;
if ( WmiDebugLog :: s_WmiDebugLog )
{
t_StatusCode = WmiDebugLog :: s_WmiDebugLog->Initialize ( L"ProviderSubSystem" ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
EnQueueAlertable ( GetTickCount () , *m_WmiDebugTaskObject ) ;
m_WmiDebugTaskObject->Exec () ;
}
else
{
delete WmiDebugLog :: s_WmiDebugLog ;
WmiDebugLog :: s_WmiDebugLog = NULL ;
delete m_WmiDebugTaskObject ;
m_WmiDebugTaskObject = NULL ;
delete g_LogContainer ;
g_LogContainer = NULL ;
t_StatusCode = e_StatusCode_OutOfMemory ;
}
}
else
{
delete m_WmiDebugTaskObject ;
m_WmiDebugTaskObject = NULL ;
delete g_LogContainer ;
g_LogContainer = NULL ;
t_StatusCode = e_StatusCode_OutOfMemory ;
}
}
else
{
delete g_LogContainer ;
g_LogContainer = NULL ;
t_StatusCode = e_StatusCode_OutOfMemory ;
}
}
else
{
t_StatusCode = e_StatusCode_OutOfMemory ;
}
if ( t_StatusCode == e_StatusCode_Success )
{
t_StatusCode = WmiThread <ULONG> :: Initialize () ;
}
}
return t_StatusCode ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugTaskObject *WmiDebugThreadObject :: GetTaskObject ()
{
return m_WmiDebugTaskObject ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugLog :: WmiDebugLog (
WmiAllocator &a_Allocator
) : m_Allocator ( a_Allocator ) ,
m_Logging ( FALSE ) ,
m_Verbose ( FALSE ) ,
m_DebugLevel ( 0 ) ,
m_DebugFileSize ( DEFAULT_FILE_SIZE ),
m_DebugContext ( WmiDebugContext :: FILE ) ,
m_DebugFile ( NULL ) ,
m_DebugFileHandle ( INVALID_HANDLE_VALUE ) ,
m_DebugComponent ( NULL ) ,
m_CriticalSection(NOTHROW_LOCK)
{
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiStatusCode WmiDebugLog :: Initialize ( const wchar_t *a_DebugComponent )
{
WmiStatusCode t_StatusCode = WmiHelper :: InitializeCriticalSection ( & m_CriticalSection ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
LogContainerIterator t_Iterator ;
t_StatusCode = WmiHelper :: EnterCriticalSection ( & g_WmiDebugLogMapCriticalSection ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
t_StatusCode = g_LogContainer->Insert ( this , this , t_Iterator ) ;
WmiHelper :: LeaveCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
}
if ( a_DebugComponent )
{
m_DebugComponent = _wcsdup ( a_DebugComponent ) ;
if ( m_DebugComponent == NULL )
{
t_StatusCode = e_StatusCode_OutOfMemory ;
}
}
LoadRegistry () ;
SetRegistry () ;
}
return t_StatusCode ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiDebugLog :: ~WmiDebugLog ()
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection ( &g_WmiDebugLogMapCriticalSection ) ;
if ( t_StatusCode == e_StatusCode_Success )
{
t_StatusCode = g_LogContainer->Delete ( this ) ;
WmiHelper :: LeaveCriticalSection ( & g_WmiDebugLogMapCriticalSection ) ;
}
CloseOutput () ;
if ( m_DebugComponent )
{
free ( m_DebugComponent ) ;
}
if ( m_DebugFile )
{
free ( m_DebugFile ) ;
}
WmiHelper :: DeleteCriticalSection ( & m_CriticalSection ) ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetDefaultFile ( )
{
HKEY hkey;
LONG result = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
LOGGING_DIR_KEY, 0, KEY_READ, &hkey);
if (result == ERROR_SUCCESS)
{
wchar_t t_path [MAX_PATH + 1];
DWORD t_ValueType = REG_SZ;
DWORD t_ValueLength = ( MAX_PATH + 1 ) * sizeof ( wchar_t ) ;
result = RegQueryValueEx(
hkey ,
LOGGING_DIR_VALUE ,
0,
&t_ValueType ,
( LPBYTE ) t_path ,
&t_ValueLength
) ;
if ((result == ERROR_SUCCESS) && (t_ValueType == REG_SZ || t_ValueType == REG_EXPAND_SZ))
{
int len = wcslen(t_path);
if (len>0 && *(t_path+len-1)!=L'\\')
StringCchCatW(t_path,MAX_PATH + 1, BACKSLASH_STRING);
StringCchCatW(t_path, MAX_PATH + 1, m_DebugComponent);
StringCchCatW(t_path, MAX_PATH + 1, DEFAULT_FILE_EXT);
SetFile (t_path);
}
RegCloseKey(hkey);
}
if (m_DebugFile == NULL)
{
wchar_t path[MAX_PATH + 1];
StringCchPrintfW(path, MAX_PATH + 1, L"%s%s%s", DEFAULT_PATH, m_DebugComponent, DEFAULT_FILE_EXT);
SetFile (path);
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SwapFileOver()
{
Flush();
CloseOutput();
size_t buffLength = wcslen(m_DebugFile) + 2;
//prepend a character to the log file name
wchar_t* buff = new wchar_t[buffLength];
if (buff==0)
return;
//find the last occurrence of \ for dir
wchar_t* tmp = wcsrchr(m_DebugFile, '\\');
if (tmp != NULL)
{
tmp++;
wcsncpy(buff, m_DebugFile, wcslen(m_DebugFile) - wcslen(tmp));
buff[wcslen(m_DebugFile) - wcslen(tmp)] = L'\0';
StringCchCatW(buff,buffLength, L"~");
StringCchCatW(buff,buffLength,tmp);
}
else
{
StringCchCopyW(buff,buffLength, L"~");
StringCchCatW(buff, buffLength, m_DebugFile);
}
//move the file and reopen...
if (!MoveFileEx(m_DebugFile, buff, MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH))
{
//try deleting the file and then moving it
DeleteFile(buff);
MoveFileEx(m_DebugFile, buff, MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH);
DeleteFile(m_DebugFile);
}
//open file regardless of whether move file worked...
OpenOutput();
delete [] buff;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: WriteOutput ( const wchar_t *a_OutputDebugString )
{
switch ( m_DebugContext )
{
case FILE:
{
if ( m_DebugFileHandle == INVALID_HANDLE_VALUE )
{
CloseOutput();
OpenOutput();
}
if ( m_DebugFileHandle != INVALID_HANDLE_VALUE )
{
DWORD dwToWrite = sizeof ( wchar_t ) * ( wcslen ( a_OutputDebugString ) );
LPCVOID thisWrite = ( LPCVOID ) a_OutputDebugString;
BOOL t_Status = TRUE;
while ((dwToWrite != 0) && (t_Status))
{
DWORD dwSize;
dwSize = SetFilePointer ( m_DebugFileHandle , 0 , NULL , FILE_END );
//if the file is too big swap it...
#ifdef _UNICODE
//only whole (2byte) characters written to file
if ((m_DebugFileSize > 0) && (dwSize >= (m_DebugFileSize - 1)))
#else
if ((m_DebugFileSize > 0) && (dwSize >= m_DebugFileSize))
#endif
{
SwapFileOver();
if ( m_DebugFileHandle == INVALID_HANDLE_VALUE )
{
break;
}
if (m_DebugFileSize > 0)
{
dwSize = SetFilePointer ( m_DebugFileHandle , 0 , NULL , FILE_END );
}
}
if (dwSize == 0xFFFFFFFF)
{
break;
}
DWORD t_BytesWritten = 0 ;
DWORD dwThisWrite;
if ((m_DebugFileSize > 0) && (dwToWrite + dwSize > m_DebugFileSize))
{
dwThisWrite = m_DebugFileSize - dwSize;
#ifdef _UNICODE
if ((dwThisWrite > 1) && (dwThisWrite%2))
{
dwThisWrite--;
}
#endif
}
else
{
dwThisWrite = dwToWrite;
}
t_Status = WriteFile (
m_DebugFileHandle ,
thisWrite ,
dwThisWrite ,
& t_BytesWritten ,
NULL
) ;
//get ready for next write...
dwToWrite -= t_BytesWritten;
thisWrite = (LPCVOID)((UCHAR*)thisWrite + t_BytesWritten);
}
}
}
break ;
case DEBUG:
{
OutputDebugString ( a_OutputDebugString ) ;
}
break ;
default:
{
}
break ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: OpenFileForOutput ()
{
if ( m_DebugFile )
{
m_DebugFileHandle = CreateFile (
m_DebugFile ,
GENERIC_WRITE ,
#ifdef _UNICODE
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
#else
FILE_SHARE_READ | FILE_SHARE_WRITE,
#endif
NULL ,
OPEN_EXISTING ,
FILE_ATTRIBUTE_NORMAL ,
NULL
) ;
if ( m_DebugFileHandle == INVALID_HANDLE_VALUE )
{
m_DebugFileHandle = CreateFile (
m_DebugFile ,
GENERIC_WRITE ,
#ifdef _UNICODE
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
#else
FILE_SHARE_READ | FILE_SHARE_WRITE,
#endif
NULL ,
OPEN_ALWAYS ,
FILE_ATTRIBUTE_NORMAL ,
NULL
) ;
#ifdef _UNICODE
if ( m_DebugFileHandle != INVALID_HANDLE_VALUE )
{
UCHAR t_UnicodeBytes [ 2 ] ;
t_UnicodeBytes [ 0 ] = 0xFF ;
t_UnicodeBytes [ 1 ] = 0xFE ;
DWORD t_BytesWritten = 0 ;
WriteFile (
m_DebugFileHandle ,
( LPCVOID ) & t_UnicodeBytes ,
sizeof ( t_UnicodeBytes ) ,
& t_BytesWritten ,
NULL
) ;
}
#endif
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: OpenOutput ()
{
switch ( m_DebugContext )
{
case FILE:
{
OpenFileForOutput () ;
}
break ;
case DEBUG:
default:
{
}
break ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: FlushOutput ()
{
switch ( m_DebugContext )
{
case FILE:
{
if ( m_DebugFileHandle != INVALID_HANDLE_VALUE )
{
FlushFileBuffers ( m_DebugFileHandle ) ;
}
}
break ;
case DEBUG:
default:
{
}
break ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: CloseOutput ()
{
switch ( m_DebugContext )
{
case FILE:
{
if ( m_DebugFileHandle != INVALID_HANDLE_VALUE )
{
CloseHandle ( m_DebugFileHandle ) ;
m_DebugFileHandle = INVALID_HANDLE_VALUE ;
}
}
break ;
case DEBUG:
default:
{
}
break ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: Write ( const wchar_t *a_DebugFormatString , ... )
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
if ( m_Logging )
{
wchar_t t_OutputDebugString [ MAX_MESSAGE_SIZE ] ;
va_list t_VarArgList ;
va_start(t_VarArgList,a_DebugFormatString);
StringCchVPrintfW (t_OutputDebugString , MAX_MESSAGE_SIZE , a_DebugFormatString , t_VarArgList );
va_end(t_VarArgList);
WriteOutput ( t_OutputDebugString ) ;
}
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: Write ( const wchar_t *a_File , const ULONG a_Line , const wchar_t *a_DebugFormatString , ... )
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
if ( m_Logging )
{
wchar_t t_OutputDebugString [ MAX_MESSAGE_SIZE ] ;
WriteOutput ( L"\r\n") ;
va_list t_VarArgList ;
va_start(t_VarArgList,a_DebugFormatString);
int t_Length = StringCchVPrintfW (t_OutputDebugString , MAX_MESSAGE_SIZE , a_DebugFormatString , t_VarArgList );
va_end(t_VarArgList);
WriteOutput ( t_OutputDebugString ) ;
}
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: Flush ()
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
FlushOutput () ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetLogging ( BOOL a_Logging )
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
m_Logging = a_Logging ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetLevel ( const DWORD &a_DebugLevel )
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
m_DebugLevel = a_DebugLevel ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetContext ( const enum WmiDebugContext &a_DebugContext )
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
m_DebugContext = a_DebugContext ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
enum WmiDebugLog :: WmiDebugContext WmiDebugLog :: GetContext ()
{
WmiDebugContext t_Context = m_DebugContext ;
return t_Context ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog ::CommitContext ()
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
CloseOutput () ;
OpenOutput () ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog ::SetFile ( const wchar_t *a_File )
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
if (m_DebugFile)
{
free ( m_DebugFile ) ;
}
m_DebugFile = _wcsdup ( a_File ) ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: LoadRegistry()
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
LoadRegistry_Logging () ;
LoadRegistry_Level () ;
LoadRegistry_File () ;
LoadRegistry_Type () ;
LoadRegistry_FileSize ();
CommitContext () ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: LoadRegistry_Logging ()
{
HKEY t_LogKey = NULL ;
LONG t_Status = RegCreateKeyEx (
HKEY_LOCAL_MACHINE,
LOGGING_DIR_KEY,
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&t_LogKey,
NULL
) ;
if ( t_Status == ERROR_SUCCESS )
{
DWORD t_ValueType = REG_SZ ;
wchar_t t_ValueString [ 2 ] ;
DWORD t_ValueLength = sizeof ( t_ValueString ) ;
ZeroMemory ( t_ValueString , t_ValueLength ) ;
t_Status = RegQueryValueEx (
t_LogKey ,
LOGGING_ON ,
0,
&t_ValueType ,
( LPBYTE ) t_ValueString ,
&t_ValueLength
) ;
if ( t_Status == ERROR_SUCCESS )
{
switch ( t_ValueString [ 0 ] )
{
case L'0':
{
m_Logging = FALSE ;
}
break ;
case L'1':
{
m_Logging = TRUE ;
m_Verbose = FALSE ;
}
break ;
case L'2':
{
m_Verbose = TRUE ;
m_Logging = TRUE ;
}
break ;
}
}
RegCloseKey ( t_LogKey ) ;
}
}
LONG GetDebugKey(const wchar_t * debugComponent , HKEY * LogKey)
{
size_t bufferLen = wcslen ( LOG_KEY_SLASH ) + wcslen ( debugComponent ) + 1;
wchar_t *t_ComponentKeyString = new wchar_t[bufferLen];
if (t_ComponentKeyString == NULL)
{
throw Wmi_Heap_Exception(Wmi_Heap_Exception::HEAP_ERROR::E_ALLOCATION_ERROR);
}
StringCchCopyW( t_ComponentKeyString , bufferLen, LOG_KEY_SLASH ) ;
StringCchCatW( t_ComponentKeyString , bufferLen,debugComponent ) ;
*LogKey = NULL ;
LONG t_Status = RegCreateKeyEx (
HKEY_LOCAL_MACHINE,
t_ComponentKeyString,
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
LogKey,
NULL
) ;
delete [] t_ComponentKeyString;
return t_Status;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: LoadRegistry_FileSize ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
DWORD t_Size ;
DWORD t_ValueType = REG_DWORD ;
DWORD t_ValueLength = sizeof ( DWORD ) ;
t_Status = RegQueryValueEx(
t_LogKey ,
LOG_FILE_SIZE ,
0,
&t_ValueType ,
( LPBYTE ) &t_Size ,
&t_ValueLength
) ;
if ( t_Status == ERROR_SUCCESS )
{
m_DebugFileSize = t_Size ;
if (m_DebugFileSize < MIN_FILE_SIZE)
{
m_DebugFileSize = MIN_FILE_SIZE ;
}
}
RegCloseKey ( t_LogKey ) ;
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: LoadRegistry_Level ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
DWORD t_Level ;
DWORD t_ValueType = REG_DWORD ;
DWORD t_ValueLength = sizeof ( DWORD ) ;
t_Status = RegQueryValueEx(
t_LogKey ,
LOG_LEVEL_NAME ,
0,
&t_ValueType ,
( LPBYTE ) &t_Level ,
&t_ValueLength
) ;
if ( t_Status == ERROR_SUCCESS )
{
m_DebugLevel = t_Level ;
}
RegCloseKey ( t_LogKey ) ;
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: LoadRegistry_File ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
ON_BLOCK_EXIT(RegCloseKey, t_LogKey);
wchar_t *t_File = NULL ;
DWORD t_ValueType = REG_SZ ;
DWORD t_ValueLength = 0 ;
t_Status = RegQueryValueEx(
t_LogKey ,
LOG_FILE_NAME ,
0,
&t_ValueType ,
( LPBYTE ) t_File ,
&t_ValueLength
) ;
if ( t_Status == ERROR_SUCCESS )
{
t_File = new wchar_t [ t_ValueLength ] ;
if ( t_File )
{
t_Status = RegQueryValueEx(
t_LogKey ,
LOG_FILE_NAME ,
0,
&t_ValueType ,
( LPBYTE ) t_File ,
&t_ValueLength
) ;
}
else
{
t_Status = E_OUTOFMEMORY ;
}
if ( (t_Status == ERROR_SUCCESS) && t_File && (*t_File != L'\0' ) )
{
SetFile ( t_File ) ;
}
else
{
SetDefaultFile();
}
delete [] t_File;
}
else
{
SetDefaultFile();
}
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: LoadRegistry_Type ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
ON_BLOCK_EXIT(RegCloseKey, t_LogKey);
wchar_t *t_Type = NULL ;
DWORD t_ValueType = REG_SZ ;
DWORD t_ValueLength = 0 ;
t_Status = RegQueryValueEx(
t_LogKey ,
LOG_TYPE_NAME ,
0,
&t_ValueType ,
( LPBYTE ) t_Type ,
&t_ValueLength
) ;
if ( t_Status == ERROR_SUCCESS )
{
t_Type = new wchar_t [ t_ValueLength ] ;
if ( t_Type )
{
t_Status = RegQueryValueEx(
t_LogKey ,
LOG_TYPE_NAME ,
0,
&t_ValueType ,
( LPBYTE ) t_Type ,
&t_ValueLength
) ;
}
else
{
t_Status = E_OUTOFMEMORY ;
}
if ( t_Status == ERROR_SUCCESS )
{
if ( wcscmp ( t_Type , LOG_TYPE_DEBUG_STRING ) == 0 )
{
SetContext ( DEBUG ) ;
}
else
{
SetContext ( FILE ) ;
}
}
delete [] t_Type;
}
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetRegistry()
{
WmiStatusCode t_StatusCode = WmiHelper :: EnterCriticalSection(&m_CriticalSection) ;
if ( t_StatusCode == e_StatusCode_Success )
{
SetRegistry_Logging () ;
SetRegistry_Level () ;
SetRegistry_File () ;
SetRegistry_FileSize () ;
SetRegistry_Type () ;
WmiHelper :: LeaveCriticalSection(&m_CriticalSection) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetRegistry_Logging ()
{
HKEY t_LogKey = NULL ;
LONG t_Status = RegCreateKeyEx (
HKEY_LOCAL_MACHINE,
LOGGING_DIR_KEY,
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&t_LogKey,
NULL
) ;
if ( t_Status == ERROR_SUCCESS )
{
wchar_t t_ValueString [ 2 ] ;
DWORD t_ValueLength = sizeof ( t_ValueString ) ;
DWORD t_ValueType = REG_SZ ;
t_ValueString [ 1 ] = 0 ;
if ( m_Logging )
{
if ( m_Verbose )
{
t_ValueString [ 0 ] = L'2' ;
}
else
{
t_ValueString [ 0 ] = L'1' ;
}
}
else
{
t_ValueString [ 0 ] = L'0' ;
}
t_Status = RegSetValueEx (
t_LogKey ,
LOGGING_ON ,
0,
t_ValueType ,
( LPBYTE ) t_ValueString ,
t_ValueLength
) ;
RegCloseKey ( t_LogKey ) ;
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetRegistry_FileSize ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
DWORD t_Level = m_DebugFileSize ;
DWORD t_ValueType = REG_DWORD ;
DWORD t_ValueLength = sizeof ( DWORD ) ;
t_Status = RegSetValueEx(
t_LogKey ,
LOG_FILE_SIZE ,
0,
t_ValueType ,
( LPBYTE ) &t_Level ,
t_ValueLength
) ;
RegCloseKey ( t_LogKey ) ;
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetRegistry_Level ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
DWORD t_Level = m_DebugLevel ;
DWORD t_ValueType = REG_DWORD ;
DWORD t_ValueLength = sizeof ( DWORD ) ;
t_Status = RegSetValueEx(
t_LogKey ,
LOG_LEVEL_NAME ,
0,
t_ValueType ,
( LPBYTE ) &t_Level ,
t_ValueLength
) ;
RegCloseKey ( t_LogKey ) ;
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetRegistry_File ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
if ( m_DebugFile )
{
wchar_t *t_File = m_DebugFile ;
DWORD t_ValueType = REG_SZ ;
DWORD t_ValueLength = ( wcslen ( t_File ) + 1 ) * sizeof ( wchar_t ) ;
t_Status = RegSetValueEx(
t_LogKey ,
LOG_FILE_NAME ,
0,
t_ValueType ,
( LPBYTE ) t_File ,
t_ValueLength
) ;
}
RegCloseKey ( t_LogKey ) ;
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetRegistry_Type ()
{
if ( m_DebugComponent )
{
HKEY t_LogKey = NULL ;
LONG t_Status = GetDebugKey(m_DebugComponent, &t_LogKey);
if ( t_Status == ERROR_SUCCESS )
{
wchar_t *t_Debugger = LOG_TYPE_DEBUG_STRING ;
wchar_t *t_File = LOG_TYPE_FILE_STRING ;
wchar_t *t_Type = ( m_DebugContext == DEBUG ) ? t_Debugger : t_File ;
DWORD t_ValueType = REG_SZ ;
DWORD t_ValueLength = ( wcslen ( t_Type ) + 1 ) * sizeof ( wchar_t ) ;
t_Status = RegSetValueEx(
t_LogKey ,
LOG_TYPE_NAME ,
0,
t_ValueType ,
( LPBYTE ) t_Type ,
t_ValueLength
) ;
RegCloseKey ( t_LogKey ) ;
}
}
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
void WmiDebugLog :: SetEventNotification ()
{
g_WmiDebugLogThread->GetTaskObject ()->SetRegistryNotification () ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiStatusCode WmiDebugLog :: Initialize ( WmiAllocator &a_Allocator )
{
WmiStatusCode t_StatusCode = e_StatusCode_Success ;
if ( InterlockedIncrement ( & s_ReferenceCount ) == 1 )
{
if ( ! s_Initialised )
{
#if DBG
t_StatusCode = WmiThread <ULONG> :: Static_Initialize ( a_Allocator ) ;
g_WmiDebugLogThread = new WmiDebugThreadObject ( a_Allocator , L"WmiDebugLogThread" ) ;
if ( g_WmiDebugLogThread )
{
g_WmiDebugLogThread->AddRef () ;
t_StatusCode = g_WmiDebugLogThread->Initialize () ;
if ( t_StatusCode == e_StatusCode_Success )
{
SetEventNotification () ;
s_Initialised = TRUE ;
}
else
{
g_WmiDebugLogThread->Release () ;
g_WmiDebugLogThread = NULL ;
}
}
else
{
t_StatusCode = e_StatusCode_OutOfMemory ;
}
#else
s_Initialised = TRUE ;
#endif
}
}
return t_StatusCode ;
}
/******************************************************************************
*
* Name:
*
*
* Description:
*
*
*****************************************************************************/
WmiStatusCode WmiDebugLog :: UnInitialize ( WmiAllocator &a_Allocator )
{
if ( InterlockedDecrement ( & s_ReferenceCount ) == 0 )
{
#if DBG
HANDLE t_ThreadHandle = NULL ;
BOOL t_Status = DuplicateHandle (
GetCurrentProcess () ,
g_WmiDebugLogThread->GetHandle () ,
GetCurrentProcess () ,
& t_ThreadHandle,
0 ,
FALSE ,
DUPLICATE_SAME_ACCESS
) ;
if ( t_Status )
{
g_WmiDebugLogThread->Release () ;
WaitForSingleObject ( t_ThreadHandle , INFINITE ) ;
CloseHandle ( t_ThreadHandle ) ;
WmiStatusCode t_StatusCode = WmiThread <ULONG> :: Static_UnInitialize ( a_Allocator );
s_Initialised = FALSE ;
}
#else
s_Initialised = FALSE ;
#endif
}
return e_StatusCode_Success ;
}