163 lines
4.1 KiB
C++
163 lines
4.1 KiB
C++
#include <stdio.h>
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#include <stdarg.h>
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#include "tracelog.h"
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static DWORD sg_dwTraceID = INVALID_TRACEID;
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static char sg_szTraceName[100]; // Used for OutputDebugString
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#ifdef DBG
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DWORD sg_dwTracingToDebugger = 1; // Enable OutputDebugString for debug version by default
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#else
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DWORD sg_dwTracingToDebugger = 0;
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#endif
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DWORD sg_dwDebuggerMask = 0;
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inline const char *TraceLevel(DWORD dwDbgLevel)
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{
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switch(dwDbgLevel)
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{
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case TL_ERROR: return "ERROR";
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case TL_WARN: return "WARN ";
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case TL_INFO: return "INFO ";
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default: return " ??? ";
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}
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}
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BOOL TRACELogRegister(LPCTSTR szName)
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{
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HKEY hTracingKey;
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char szTracingKey[100];
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const char szDebuggerTracingEnableValue[] = "EnableDebuggerTracing";
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const char szTracingMaskValue[] = "FileTracingMask";
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sg_dwTracingToDebugger = 0;
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sg_dwTraceID = TraceRegister(szName);
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TraceDeregister(sg_dwTraceID);
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#ifdef UNICODE
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wsprintfA(szTracingKey, "Software\\Microsoft\\Tracing\\%ls", szName);
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#else
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wsprintfA(szTracingKey, "Software\\Microsoft\\Tracing\\%s", szName);
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#endif
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if ( ERROR_SUCCESS == RegOpenKeyExA(HKEY_LOCAL_MACHINE,
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szTracingKey,
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0,
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KEY_READ|KEY_SET_VALUE,
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&hTracingKey) )
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{
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DWORD dwDataSize = sizeof (DWORD);
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DWORD dwDataType;
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#ifdef DBG
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//
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// Always Enable file tracing for debug version
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//
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DWORD dwEnableFileTracing = 1;
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RegSetValueExA(hTracingKey,
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"EnableFileTracing",
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0,
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REG_DWORD,
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(LPBYTE) &dwEnableFileTracing,
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sizeof (DWORD));
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#endif
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dwDataSize = sizeof (DWORD);
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RegQueryValueExA(hTracingKey,
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szDebuggerTracingEnableValue,
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0,
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&dwDataType,
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(LPBYTE) &sg_dwTracingToDebugger,
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&dwDataSize);
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dwDataSize = sizeof (DWORD);
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RegQueryValueExA(hTracingKey,
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szTracingMaskValue,
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0,
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&dwDataType,
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(LPBYTE) &sg_dwDebuggerMask,
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&dwDataSize);
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RegCloseKey (hTracingKey);
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}
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#ifdef UNICODE
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wsprintfA(sg_szTraceName, "%ls", szName);
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#else
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wsprintfA(sg_szTraceName, "%s", szName);
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#endif
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sg_dwTraceID = TraceRegister(szName);
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return (sg_dwTraceID != INVALID_TRACEID);
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}
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void TRACELogDeRegister()
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{
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sg_dwTracingToDebugger = 0;
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if (sg_dwTraceID != INVALID_TRACEID)
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{
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TraceDeregister(sg_dwTraceID);
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sg_dwTraceID = INVALID_TRACEID;
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}
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}
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void TRACELogPrint(IN DWORD dwDbgLevel, IN LPCSTR lpszFormat, IN ...)
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{
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#define MAXDEBUGSTRINGLENGTH 1024
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char szTraceBuf[MAXDEBUGSTRINGLENGTH + 1];
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va_list arglist;
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if ( ( sg_dwTracingToDebugger > 0 ) &&
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( dwDbgLevel & sg_dwDebuggerMask ) )
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{
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// retrieve local time
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SYSTEMTIME SystemTime;
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GetLocalTime(&SystemTime);
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wsprintfA(szTraceBuf,
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"%s:[%02u:%02u:%02u.%03u:] [%s] ",
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sg_szTraceName,
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SystemTime.wHour,
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SystemTime.wMinute,
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SystemTime.wSecond,
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SystemTime.wMilliseconds,
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TraceLevel(dwDbgLevel));
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va_list ap;
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va_start(ap, lpszFormat);
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_vsnprintf(&szTraceBuf[lstrlenA(szTraceBuf)],
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MAXDEBUGSTRINGLENGTH - lstrlenA(szTraceBuf),
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lpszFormat,
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ap
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);
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lstrcatA (szTraceBuf, "\n");
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OutputDebugStringA (szTraceBuf);
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va_end(ap);
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}
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if (sg_dwTraceID != INVALID_TRACEID && ( dwDbgLevel & sg_dwDebuggerMask ))
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{
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wsprintfA(szTraceBuf, "[%s] %s", TraceLevel(dwDbgLevel), lpszFormat);
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va_start(arglist, lpszFormat);
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TraceVprintfExA(sg_dwTraceID, dwDbgLevel | TRACE_USE_MSEC, szTraceBuf, arglist);
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va_end(arglist);
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}
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}
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