176 lines
5.1 KiB
C++
176 lines
5.1 KiB
C++
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// Copyright (c) 1996-1999 Microsoft Corporation
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//-----------------------------------------------------------------------------
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//
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// File: eventlog.cxx
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//
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// Contents: Utilities to report events.
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//
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// Histories: 08/06/97 created by weiruc
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//
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//-----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include "trklib.hxx"
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#include "netevent.h"
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#define MAX_STRINGS 100
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const extern TCHAR* g_ptszEventSource;
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//------------------------------------------------------------------------------
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//
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// Function: TrkReportRawEvent
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//
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// Synopsis: Report an event using the event logging service.
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// It's "raw" because an lpRawData parameter may be passed.
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//
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// Input: [in] dwEventId
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// Event id as defined in eventmsg.h.
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// [in] wType
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// Type of event. Choices are:
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// EVENTLOG_ERROR_TYPE Error event
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// EVENTLOG_WARNING_TYPE Warning event
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// EVENTLOG_INFORMATION_TYPE Information event
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// EVENTLOG_AUDIT_SUCCESS Success Audit event
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// EVENTLOG_AUDIT_FAILURE Failure Audit event
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// [in] ...
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// Any string the caller wants to log.
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//
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// Requirement: Because this function does not copy the string parameters
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// into internal buffers. So the input strings can not be
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// modified when the function is being called.
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// The last string parameter passed in MUST be NULL to
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// mark the end of the argument list. Any arguments passed
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// in after a NULL argument are going to be ignored.
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//
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//------------------------------------------------------------------------------
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HRESULT TrkReportRawEvent(DWORD dwEventId,
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WORD wType,
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DWORD cbRawData,
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const void *pvRawData,
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va_list pargs )
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{
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HANDLE hEventLog = INVALID_HANDLE_VALUE;
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HRESULT hr = S_OK;
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const TCHAR* rgtszStrings[MAX_STRINGS];
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WORD wCounter = 0;
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// initialize the insertion string array
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memset(rgtszStrings, 0, sizeof(rgtszStrings));
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// build the insertion string array
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wCounter = 0;
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while(TRUE)
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{
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if(wCounter >= MAX_STRINGS)
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{
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break;
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}
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rgtszStrings[wCounter] = va_arg(pargs, const TCHAR*);
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if(NULL == rgtszStrings[wCounter])
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{
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break;
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}
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else
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{
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wCounter++;
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}
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}
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va_end(pargs);
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// open registry
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hEventLog = RegisterEventSource(NULL, g_ptszEventSource);
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if(NULL == hEventLog)
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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TrkLog((TRKDBG_ERROR, TEXT("Can't open registry (%s), hr = %08x"),
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g_ptszEventSource, hr));
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goto Exit;
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}
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// write event log
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if(!ReportEvent(hEventLog,
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wType,
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0,
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dwEventId,
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NULL,
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wCounter,
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cbRawData,
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rgtszStrings,
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const_cast<void*>(pvRawData) ))
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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TrkLog((TRKDBG_ERROR, TEXT("ReportEvent failed. hr = %08x"), hr));
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}
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// close registry
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if(!DeregisterEventSource(hEventLog) && S_OK == hr)
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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TrkLog((TRKDBG_ERROR, TEXT("Can't close registry (%s), hr = %08x"),
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g_ptszEventSource, hr));
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}
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Exit:
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return hr;
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}
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//+----------------------------------------------------------------------------
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//
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// TrkReportInternalError
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//
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// Report an event that should never happen. The file number and line
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// number are put into the hidden data blob.
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//
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//+----------------------------------------------------------------------------
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HRESULT TrkReportInternalError(DWORD dwFileNo,
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DWORD dwLineNo,
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HRESULT hrErrorNo,
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const TCHAR* ptszData)
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{
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HRESULT hr = S_OK;
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TCHAR tszHr[9];
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struct
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{
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DWORD dwFileNo;
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DWORD dwLineNo;
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TCHAR tszData[ MAX_PATH + 1 ];
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} sRawData;
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DWORD cbRawData = 0;
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sRawData.dwFileNo = dwFileNo;
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sRawData.dwLineNo = dwLineNo;
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cbRawData = sizeof(sRawData.dwFileNo) + sizeof(sRawData.dwLineNo);
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if( NULL != ptszData )
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{
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_tcsncpy( sRawData.tszData, ptszData, MAX_PATH );
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cbRawData += 2 * _tcslen( ptszData );
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}
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// build the insertion strings
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_stprintf(tszHr, TEXT("%08x"), hrErrorNo);
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// This is just a special case of TrkReportEvent.
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hr = TrkReportRawEventWrapper( EVENT_TRK_INTERNAL_ERROR,
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EVENTLOG_ERROR_TYPE,
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cbRawData,
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reinterpret_cast<void*>(&sRawData),
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tszHr, TRKREPORT_LAST_PARAM );
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return hr;
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}
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