Source code of Windows XP (NT5)
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//+----------------------------------------------------------------------------
//
// File: cmlog.h
//
// Module: cmutil.dll, cmdial32.dll etc
//
// Synopsis: Connection Manager Logging
//
// Copyright (c) 1998-2000 Microsoft Corporation
//
// Author: 04-May-2000 SumitC Created
//
//-----------------------------------------------------------------------------
#ifdef CMLOG_IMPLEMENTATION
#define CMLOG_CLASS __declspec(dllexport)
#else
#define CMLOG_CLASS __declspec(dllimport)
#endif
// the following values follow the defaults for RAS/PPP logging (using rtutils.dll)
//
const BOOL c_fEnableLogging = TRUE;
const DWORD c_dwMaxFileSize = 0x64; // 100K = 102,400 bytes
const LPTSTR c_szLogFileDirectory = TEXT("%Temp%");
//
// #define constants
//
#define BYTE_ORDER_MARK 0xFEFF
//
// List of CM/CPS events that can be logged
//
//
// NOTE that this list must correspond with the s_aCmLogItems array in cmlog.cpp
//
enum _CMLOG_ITEM
{
UNKNOWN_LOG_ITEM, // guard item. DO NOT USE WHEN CALLING CMLOG() !!
LOGGING_ENABLED_EVENT,
LOGGING_DISABLED_EVENT,
PREINIT_EVENT,
PRECONNECT_EVENT,
PREDIAL_EVENT,
PRETUNNEL_EVENT,
CONNECT_EVENT,
CUSTOMACTIONDLL,
CUSTOMACTIONEXE,
CUSTOMACTION_NOT_ALLOWED,
CUSTOMACTION_WONT_RUN,
DISCONNECT_EVENT,
RECONNECT_EVENT,
RETRY_AUTH_EVENT,
CALLBACK_NUMBER_EVENT,
PASSWORD_EXPIRED_EVENT,
PASSWORD_RESET_EVENT,
CUSTOM_BUTTON_EVENT,
ONCANCEL_EVENT,
ONERROR_EVENT,
CLEAR_LOG_EVENT,
DISCONNECT_EXT,
DISCONNECT_INT_MANUAL,
DISCONNECT_INT_AUTO,
DISCONNECT_EXT_LOST_CONN,
PB_DOWNLOAD_SUCCESS,
PB_DOWNLOAD_FAILURE,
PB_UPDATE_SUCCESS,
PB_UPDATE_FAILURE_PBS,
PB_UPDATE_FAILURE_CMPBK,
PB_ABORTED,
USER_FORMATTED = 99,
};
//
// Use this macro for all string args that may be null or empty.
//
#define SAFE_LOG_ARG(x) ( (!(x) || !(*(x))) ? TEXT("(none)") : (x) )
// ----------------------------------------------------------------------------
//
// Implementor's section (from here to end)
//
class CMLOG_CLASS CmLogFile
{
public:
CmLogFile();
~CmLogFile();
//
// Initialization/termination functions
//
HRESULT Init(HINSTANCE hInst, BOOL fAllUser, LPCWSTR szLongServiceName);
HRESULT Init(HINSTANCE hInst, BOOL fAllUser, LPCSTR szLongServiceName);
HRESULT SetParams(BOOL fEnabled, DWORD dwMaxFileSize, LPCWSTR pszLogFileDir);
HRESULT SetParams(BOOL fEnabled, DWORD dwMaxFileSize, LPCSTR pszLogFileDir);
HRESULT Start(BOOL fBanner);
HRESULT Stop();
HRESULT DeInit();
//
// Work functions
//
void Banner();
void Clear(BOOL fWriteBannerAfterwards = TRUE);
void Log(_CMLOG_ITEM eLogItem, ...);
//
// Status inquiries
//
BOOL IsEnabled() { return m_fEnabled; }
LPCWSTR GetLogFilePath() { return m_pszLogFile; }
private:
HRESULT OpenFile();
HRESULT CloseFile();
void FormatWrite(_CMLOG_ITEM eItem, LPWSTR szArgs);
HRESULT Write(LPWSTR sz);
HANDLE m_hfile; // file handle for logfile
DWORD m_dwSize; // current size of log file
LPWSTR m_pszServiceName; // name of connectoid (used as filename)
WCHAR m_szModule[13]; // cached module name (13 = 8 + '.' + 3 + null)
DWORD m_dwMaxSize; // max size of log file
LPWSTR m_pszLogFileDir; // log file directory
BOOL m_fAllUser; // is this an All-User profile?
LPWSTR m_pszLogFile; // this is the currently-opened log file (full path)
// state variables
BOOL m_fInitialized; // set after Init() has been called
BOOL m_fEnabled; // set after GetParams() finds logging is enabled (FROM CMS)
};