Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

515 lines
11 KiB

/*++
Copyright (c) 1995-1996 Microsoft Corporation
Module Name :
Logging.cxx
Abstract:
Server Side logging object
It is just a thin layer to call COMLOG
Author:
Terence Kwan ( terryk ) 18-Sep-1996
Project:
IIS Logging 3.0
--*/
#include "server.hxx"
#define SZ_COMLOG_DLL "iscomlog.dll"
//
// Global dll entry points
//
P_ComLogInitializeLog LOGGING::m_ComLogInitializeLog = NULL;
P_ComLogTerminateLog LOGGING::m_ComLogTerminateLog = NULL;
P_ComLogLogInformation LOGGING::m_ComLogLogInformation = NULL;
P_ComLogGetConfig LOGGING::m_ComLogGetConfig = NULL;
P_ComLogSetConfig LOGGING::m_ComLogSetConfig = NULL;
P_ComLogQueryExtraLogFields LOGGING::m_ComLogQueryExtraLogFields = NULL;
P_ComLogNotifyChange LOGGING::m_ComLogNotifyChange = NULL;
P_ComLogCustomInformation LOGGING::m_ComLogCustomInformation = NULL;
//
// initialize comlog modules
//
HINSTANCE LOGGING::m_hComLogDLL = NULL;
P_ComLogDllStartup LOGGING::m_ComLogDllStartup = NULL;
P_ComLogDllCleanUp LOGGING::m_ComLogDllCleanUp = NULL;
HANDLE Dummy_ComLogInitializeLog( LPCSTR, LPCSTR, LPVOID )
{
return(NULL);
}
DWORD
Dummy_ComLogTerminateLog(
IN HANDLE
)
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD
Dummy_ComLogLogInformation(
HANDLE,
const INETLOG_INFORMATION *
)
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD Dummy_ComLogGetConfig( HANDLE, INETLOG_CONFIGURATIONA * )
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD Dummy_ComLogSetConfig( HANDLE, const INETLOG_CONFIGURATIONA * )
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD
Dummy_ComLogQueryExtraLogFields(
HANDLE,
PCHAR,
PDWORD
)
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD Dummy_ComLogDllCleanUp()
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD Dummy_ComLogNotifyChange( HANDLE )
{
return(ERROR_PROC_NOT_FOUND);
}
DWORD
Dummy_ComLogCustomInformation(
IN HANDLE,
IN DWORD,
IN PCUSTOM_LOG_DATA,
IN LPSTR
)
{
return(ERROR_PROC_NOT_FOUND);
}
/* ------------------------------------------------------------------------------ */
LOGGING::LOGGING(
VOID
)
/*++
Routine Description:
Contructor for the logging object.
Arguments:
lpszInstanceName - name of the instance. ie, w3svc
dwInstanceId - id of the instance
Return Value:
--*/
{
m_Handle = NULL;
m_fRequiredExtraLoggingFields = FALSE;
m_szExtraLoggingFields[0] = '\0';
m_fMetabaseModified = FALSE;
}
LOGGING::~LOGGING()
/*++
Routine Description:
Destructor for the logging object.
Arguments:
Return Value:
--*/
{
//
// end of logging object
//
ShutdownLogging();
}
BOOL
LOGGING::ActivateLogging(
IN LPCSTR pszServiceName,
IN DWORD dwInstanceId,
IN LPCSTR pszMetabasePath,
IN LPVOID pvIMDCOM
)
{
CHAR tmpBuf[MAX_PATH];
LockExclusive();
wsprintf(tmpBuf,"%s%u", pszServiceName, dwInstanceId);
m_strInstanceName.Copy(tmpBuf);
m_strMetabasePath.Copy(pszMetabasePath);
m_pvIMDCOM = pvIMDCOM;
ShutdownLogging(); // Shut down all previous handles.
if ( m_ComLogInitializeLog != NULL ) {
m_Handle = (*m_ComLogInitializeLog)(
m_strInstanceName.QueryStr(),
m_strMetabasePath.QueryStr(),
pvIMDCOM
);
}
if (m_Handle != NULL ) {
DWORD cbSize = sizeof(m_szExtraLoggingFields);
(*m_ComLogQueryExtraLogFields)(
m_Handle,
m_szExtraLoggingFields,
&cbSize
);
m_fRequiredExtraLoggingFields =
(m_szExtraLoggingFields[0] != '\0');
}
Unlock();
return TRUE;
} // LOGGING::ActivateLogging
BOOL
LOGGING::ShutdownLogging()
/*++
Routine Description:
Terminate the log configuration information.
Arguments:
Return Value:
err - error code.
It will return NERR_Success if no error
--*/
{
// if we have not terminated yet, terminate it
LockExclusive();
if (m_Handle != NULL)
{
(*m_ComLogTerminateLog)( m_Handle );
m_Handle = NULL;
}
Unlock();
return(TRUE);
}
BOOL
LOGGING::NotifyChange(
DWORD PropertyID
)
/*++
Routine Description:
Notify change in the log configuration information.
Arguments:
PropertyID - property ID, or zero to signal end of changes
Return Value:
err - error code.
It will return NERR_Success if no error
--*/
{
LockExclusive();
if ( ((PropertyID >= IIS_MD_LOG_BASE) && (PropertyID <= IIS_MD_LOG_LAST)) ||
((PropertyID >= IIS_MD_LOGCUSTOM_BASE) && (PropertyID <= IIS_MD_LOGCUSTOM_LAST))
)
{
m_fMetabaseModified = TRUE;
}
Unlock();
return(TRUE);
}
DWORD
LOGGING::LogInformation(
IN const INETLOG_INFORMATION * pInetLogInfo
)
{
DWORD dwErr;
if ( m_fMetabaseModified )
{
ActOnChange();
}
LockShared();
dwErr = ((*m_ComLogLogInformation)( m_Handle, pInetLogInfo ));
Unlock();
return dwErr;
} // LOGGING::LogInformation
DWORD
LOGGING::LogCustomInformation(
IN DWORD cCount,
IN PCUSTOM_LOG_DATA pCustomLogData,
IN LPSTR szHeaderSuffix
)
{
DWORD dwErr;
if ( m_fMetabaseModified )
{
ActOnChange();
}
LockShared();
dwErr = ((*m_ComLogCustomInformation)( m_Handle, cCount, pCustomLogData, szHeaderSuffix));
Unlock();
return dwErr;
}
DWORD
LOGGING::GetConfig(
INETLOG_CONFIGURATIONA *pLogConfig
)
{
DWORD dwErr;
if ( m_fMetabaseModified )
{
ActOnChange();
}
LockShared();
dwErr = ((*m_ComLogGetConfig)( m_Handle, pLogConfig ));
Unlock();
return dwErr;
}
BOOL LOGGING::IsRequiredExtraLoggingFields()
{
if ( m_fMetabaseModified )
{
ActOnChange();
}
return m_fRequiredExtraLoggingFields;
}
CHAR *LOGGING::QueryExtraLoggingFields()
{
if ( m_fMetabaseModified )
{
ActOnChange();
}
return m_szExtraLoggingFields;
}
VOID
LOGGING::ActOnChange()
{
LockExclusive();
if ( m_fMetabaseModified )
{
if (m_ComLogNotifyChange != NULL) {
DWORD cbSize = sizeof(m_szExtraLoggingFields);
(*m_ComLogNotifyChange)( m_Handle );
//
// See if we need extra log fields
//
(*m_ComLogQueryExtraLogFields)(
m_Handle,
m_szExtraLoggingFields,
&cbSize
);
m_fRequiredExtraLoggingFields =
(m_szExtraLoggingFields[0] != '\0');
}
m_fMetabaseModified = FALSE;
}
Unlock();
}
DWORD
LOGGING::SetConfig(
INETLOG_CONFIGURATIONA *pRpcLogConfig
)
{
DWORD cbSize = sizeof(m_szExtraLoggingFields);
LockExclusive();
DWORD dwReturn = (*m_ComLogSetConfig)( m_Handle, pRpcLogConfig );
(*m_ComLogQueryExtraLogFields)(
m_Handle,
m_szExtraLoggingFields,
&cbSize
);
m_fRequiredExtraLoggingFields =
(m_szExtraLoggingFields[0] != '\0');
Unlock();
return(dwReturn);
}
//
// Statics
//
DWORD
LOGGING::Terminate()
/*++
Routine Description:
Terminate the logging object and kill the waiting queue.
Arguments:
Return Value:
always return NO_ERROR
--*/
{
if ( m_hComLogDLL != NULL ) {
DBGPRINTF((DBG_CONTEXT,"Terminate: Freed iscomlog.dll\n"));
//
// call ComLog to terminate itself
//
(*m_ComLogDllCleanUp)();
FreeLibrary( m_hComLogDLL );
m_hComLogDLL = NULL;
}
return(NO_ERROR);
}
DWORD
LOGGING::Initialize()
/*++
Routine Description:
Initialize the logging object by loading the ComLog dll and
set up all the dll entry point
Arguments:
Return Value:
return NO_ERROR if no error
otherwise return ERROR_DLL_NOT_FOUND or ERROR_PROC_NOT_FOUND
--*/
{
DWORD err = NO_ERROR;
DBG_ASSERT(m_hComLogDLL == NULL);
m_hComLogDLL = LoadLibrary( SZ_COMLOG_DLL );
if (m_hComLogDLL!=NULL)
{
if ((( m_ComLogInitializeLog = (P_ComLogInitializeLog)GetProcAddress( m_hComLogDLL, (const char *)"ComLogInitializeLog")) == NULL ) ||
(( m_ComLogTerminateLog = (P_ComLogTerminateLog)GetProcAddress( m_hComLogDLL, (const char *)"ComLogTerminateLog")) == NULL ) ||
(( m_ComLogLogInformation = (P_ComLogLogInformation)GetProcAddress( m_hComLogDLL, (const char *)"ComLogLogInformation"))== NULL ) ||
(( m_ComLogGetConfig = (P_ComLogGetConfig)GetProcAddress( m_hComLogDLL, (const char *)"ComLogGetConfig"))== NULL ) ||
(( m_ComLogSetConfig = (P_ComLogSetConfig)GetProcAddress( m_hComLogDLL, (const char *)"ComLogSetConfig"))== NULL ) ||
(( m_ComLogQueryExtraLogFields = (P_ComLogQueryExtraLogFields)GetProcAddress( m_hComLogDLL, (const char *)"ComLogQueryExtraLogFields"))== NULL ) ||
(( m_ComLogDllStartup = (P_ComLogDllStartup)GetProcAddress(m_hComLogDLL, (const char *)"ComLogDllStartup"))== NULL ) ||
(( m_ComLogNotifyChange = (P_ComLogNotifyChange)GetProcAddress(m_hComLogDLL, (const char *)"ComLogNotifyChange"))== NULL ) ||
(( m_ComLogDllCleanUp = (P_ComLogDllCleanUp)GetProcAddress(m_hComLogDLL, (const char *)"ComLogDllCleanUp"))== NULL ) ||
(( m_ComLogCustomInformation = (P_ComLogCustomInformation)GetProcAddress(m_hComLogDLL, (const char *)"ComLogCustomInformation"))== NULL )
)
{
DBGPRINTF((DBG_CONTEXT,"missing entry point in ComLog dll\n"));
m_ComLogInitializeLog = &(Dummy_ComLogInitializeLog );
m_ComLogTerminateLog = &(Dummy_ComLogTerminateLog );
m_ComLogLogInformation = &(Dummy_ComLogLogInformation );
m_ComLogGetConfig = &(Dummy_ComLogGetConfig );
m_ComLogSetConfig = &(Dummy_ComLogSetConfig );
m_ComLogDllCleanUp = &(Dummy_ComLogDllCleanUp );
m_ComLogNotifyChange = &(Dummy_ComLogNotifyChange );
m_ComLogQueryExtraLogFields = &(Dummy_ComLogQueryExtraLogFields );
m_ComLogCustomInformation = &(Dummy_ComLogCustomInformation );
err = ERROR_PROC_NOT_FOUND;
} else {
//
// Initialize ComLog
//
err = (*m_ComLogDllStartup)();
}
} else {
DBGPRINTF((DBG_CONTEXT,"Failed to load iscomlog.dll\n"));
err = ERROR_DLL_NOT_FOUND;
}
return(err);
}