86 lines
4.0 KiB
C++
86 lines
4.0 KiB
C++
//--------------------------------------------------------------------------
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// LogFile.h
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// Copyright (C) Microsoft Corporation, 1997 - Rocket Database
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//--------------------------------------------------------------------------
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#ifndef __CLOGFILE_H
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#define __CLOGFILE_H
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//--------------------------------------------------------------------------
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// Constants
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//--------------------------------------------------------------------------
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#define MAX_LOGFILE_PREFIX 10
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//--------------------------------------------------------------------------
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// Write Log Type
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//--------------------------------------------------------------------------
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typedef enum {
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LOGFILE_RX = 0,
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LOGFILE_TX,
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LOGFILE_DB,
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LOGFILE_MAX
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} LOGFILETYPE;
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#define DONT_TRUNCATE 0xFFFFFFFF
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//--------------------------------------------------------------------------
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// ILogFile
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//--------------------------------------------------------------------------
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interface ILogFile : public IUnknown
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{
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public:
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virtual HRESULT STDMETHODCALLTYPE Open(HINSTANCE hInst, LPCSTR szLogFile, LPCSTR szPrefix, DWORD cbTruncate, DWORD dwShareMode) = 0;
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virtual HRESULT STDMETHODCALLTYPE TraceLog(SHOWTRACEMASK dwMask, TRACEMACROTYPE tracetype, ULONG ulLine, HRESULT hrResult, LPCSTR pszMessage) = 0;
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virtual HRESULT STDMETHODCALLTYPE WriteLog(LOGFILETYPE lft, LPCSTR pszData) = 0;
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virtual HRESULT STDMETHODCALLTYPE DebugLog(LPCSTR pszData) = 0;
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virtual HRESULT STDMETHODCALLTYPE DebugLogs(LPCSTR pszFormat, const char *s) = 0;
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virtual HRESULT STDMETHODCALLTYPE DebugLogd(const char *fmt, int d) = 0;
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};
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//--------------------------------------------------------------------------
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// DllExported CLogFile Class
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//--------------------------------------------------------------------------
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class CLogFile : public ILogFile
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{
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public:
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//----------------------------------------------------------------------
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// Construction
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//----------------------------------------------------------------------
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CLogFile(void);
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~CLogFile(void);
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//----------------------------------------------------------------------
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// IUnknown
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//----------------------------------------------------------------------
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STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppv);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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//----------------------------------------------------------------------
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// CLogFile Methods
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//----------------------------------------------------------------------
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STDMETHODIMP Open(HINSTANCE hInst, LPCSTR szLogFile, LPCSTR szPrefix, DWORD cbTruncate, DWORD dwShareMode);
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STDMETHODIMP TraceLog(SHOWTRACEMASK dwMask, TRACEMACROTYPE tracetype, ULONG ulLine, HRESULT hrResult, LPCSTR pszMessage);
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STDMETHODIMP WriteLog(LOGFILETYPE lft, LPCSTR pszData);
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STDMETHODIMP DebugLog(LPCSTR pszData); // data to be logged
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STDMETHODIMP DebugLogs(LPCSTR pszFormat, const char *s);
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STDMETHODIMP DebugLogd(const char *fmt, int d);
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private:
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//----------------------------------------------------------------------
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// Private Data
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//----------------------------------------------------------------------
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LONG m_cRef; // Reference Counting
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HANDLE m_hFile; // Handle to the logfile
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CHAR m_szPrefix[MAX_LOGFILE_PREFIX]; // Logfile prefix
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HANDLE m_hMutex; // So log files can be shared across procs
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CRITICAL_SECTION m_cs; // Thread Safety
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};
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//--------------------------------------------------------------------------
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// Prototypes
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//--------------------------------------------------------------------------
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OESTDAPI_(HRESULT) CreateLogFile(HINSTANCE hInst, LPCSTR pszLogFile, LPCSTR pszPrefix,
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DWORD cbTruncate, ILogFile **ppLogFile, DWORD dwShareMode);
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#endif // __CLOGFILE_H
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