271 lines
8.4 KiB
C++
271 lines
8.4 KiB
C++
//--------------------------------------------------------------------
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// Copyright (C) Microsoft Corporation, 1999 - 1999, All Rights Reserved
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//
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// eventlog.cpp
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//
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// Implementation of a simple event logging class.
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//
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//--------------------------------------------------------------------
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#include <windows.h>
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#include <stdio.h>
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#include "eventlog.h"
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//--------------------------------------------------------------------
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// EVENT_LOG::EVENT_LOG()
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//
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//--------------------------------------------------------------------
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EVENT_LOG::EVENT_LOG( WCHAR *pwsEventSourceName,
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DWORD *pdwStatus )
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{
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*pdwStatus = 0;
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m_hEventLog = RegisterEventSourceW( NULL, pwsEventSourceName );
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if (!m_hEventLog)
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{
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*pdwStatus = GetLastError();
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}
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}
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//--------------------------------------------------------------------
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// EVENT_LOG:;~EVENT_LOG()
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//
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//--------------------------------------------------------------------
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EVENT_LOG::~EVENT_LOG()
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{
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if (m_hEventLog)
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{
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DeregisterEventSource(m_hEventLog);
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}
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::CheckConfiguration()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::CheckConfiguration( WCHAR *pwszEventSourceName,
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WCHAR *pwszCatalogPath,
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DWORD dwCategoryCount,
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DWORD dwTypesSupported )
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{
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WCHAR wszRegKey[256];
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HKEY hKey;
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DWORD dwDisposition;
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DWORD dwStatus;
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wcscpy(wszRegKey,WS_EVENTLOG_KEY);
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wcscat(wszRegKey,L"\\");
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wcscat(wszRegKey,pwszEventSourceName);
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//
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// First make sure the event source exists in the registry:
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//
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dwStatus = RegOpenKeyExW( HKEY_LOCAL_MACHINE,
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wszRegKey,
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0,
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KEY_READ,
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&hKey );
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if (dwStatus == ERROR_SUCCESS)
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{
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//
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// Key is already present, so we are Ok, just quit...
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//
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RegCloseKey(hKey);
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return 0;
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}
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dwStatus = RegCreateKeyExW( HKEY_LOCAL_MACHINE,
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wszRegKey,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS,
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NULL,
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&hKey,
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&dwDisposition );
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if (dwStatus != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return dwStatus;
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}
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dwStatus = RegSetValueExW( hKey,
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WSZ_CATEGORY_COUNT,
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0,
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REG_DWORD,
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(UCHAR*)&dwCategoryCount,
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sizeof(DWORD) );
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if (dwStatus != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return dwStatus;
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}
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dwStatus = RegSetValueExW( hKey,
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WSZ_TYPES_SUPPORTED,
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0,
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REG_DWORD,
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(UCHAR*)&dwTypesSupported,
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sizeof(DWORD) );
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if (dwStatus != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return dwStatus;
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}
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DWORD dwSize = sizeof(WCHAR)*(1+wcslen(pwszCatalogPath));
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dwStatus = RegSetValueExW( hKey,
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WSZ_CATEGORY_MESSAGE_FILE,
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0,
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REG_EXPAND_SZ,
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(UCHAR*)pwszCatalogPath,
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dwSize );
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if (dwStatus != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return dwStatus;
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}
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dwStatus = RegSetValueExW( hKey,
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WSZ_EVENT_MESSAGE_FILE,
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0,
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REG_EXPAND_SZ,
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(UCHAR*)pwszCatalogPath,
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dwSize );
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RegCloseKey(hKey);
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return dwStatus;
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::ReportError()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::ReportError( WORD wCategoryId,
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DWORD dwEventId )
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{
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return ReportError( wCategoryId,
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dwEventId,
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0,
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NULL,
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0,
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NULL );
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::ReportError()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::ReportError( WORD wCategoryId,
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DWORD dwEventId,
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DWORD dwValue1 )
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{
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WCHAR wszValue[20];
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WCHAR *pwszValue = (WCHAR*)wszValue;
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wsprintfW(wszValue,L"%d",dwValue1);
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return ReportError( wCategoryId,
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dwEventId,
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1,
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&pwszValue,
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0,
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NULL );
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::ReportError()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::ReportError( WORD wCategoryId,
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DWORD dwEventId,
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WCHAR *pwszString )
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{
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if (pwszString)
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{
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WCHAR **ppwszStrings = &pwszString;
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return ReportError( wCategoryId,
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dwEventId,
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1,
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ppwszStrings,
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0,
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NULL );
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}
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else
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{
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return ERROR_INVALID_PARAMETER;
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}
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::ReportError()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::ReportError( WORD wCategoryId,
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DWORD dwEventId,
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WORD wNumStrings,
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WCHAR **ppwszStrings )
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{
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return ReportError( wCategoryId,
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dwEventId,
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wNumStrings,
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ppwszStrings,
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0,
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NULL );
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::ReportError()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::ReportError( WORD wCategoryId,
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DWORD dwEventId,
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WORD wNumStrings,
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WCHAR **ppwszStrings,
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DWORD dwDataSize,
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VOID *pvData )
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{
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if (! ::ReportEventW(m_hEventLog,
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EVENTLOG_ERROR_TYPE,
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wCategoryId, // Message ID for category.
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dwEventId, // Message ID for event.
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NULL, // pSID (not used).
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wNumStrings, // Number of strings.
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dwDataSize, // Binary Data Size.
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(const WCHAR**)ppwszStrings,
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pvData ) ) // Binary Data (none).
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{
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return GetLastError();
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}
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else
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{
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return 0;
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}
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}
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//--------------------------------------------------------------------
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// EVENT_LOG::ReportInfo()
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//
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//--------------------------------------------------------------------
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DWORD EVENT_LOG::ReportInfo( WORD wCategoryId,
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DWORD dwEventId )
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{
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if (! ::ReportEventW(m_hEventLog,
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EVENTLOG_INFORMATION_TYPE,
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wCategoryId, // Message ID for category.
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dwEventId, // Message ID for event.
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NULL, // pSID (not used).
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(WORD)0, // Number of strings.
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(DWORD)0, // Binary Data Size.
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NULL, // Array of strings.
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NULL ) ) // Binary Data (none).
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{
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return GetLastError();
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}
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else
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{
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return 0;
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}
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}
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