Files
Open-Shell-Menu/Src/StartMenu/StartMenuDLL/LogManager.cpp
2020-09-24 18:52:24 +02:00

85 lines
2.0 KiB
C++

// Classic Shell (c) 2009-2017, Ivo Beltchev
// Open-Shell (c) 2017-2018, The Open-Shell Team
// Confidential information of Ivo Beltchev. Not for disclosure or distribution without prior written consent from the author
// LogManager.cpp - logging functionality (for debugging)
#include "stdafx.h"
#include "LogManager.h"
#include "ResourceHelper.h"
#include "ComHelper.h"
#include <propvarutil.h>
#include <chrono>
int g_LogCategories;
static FILE *g_LogFile;
static std::chrono::time_point<std::chrono::steady_clock> g_LogTime;
void InitLog( int categories, const wchar_t *fname )
{
CloseLog();
if (categories==0) return;
if (_wfopen_s(&g_LogFile,fname,L"wb")==0)
{
wchar_t bom=0xFEFF;
fwrite(&bom,2,1,g_LogFile);
g_LogCategories=categories;
g_LogTime=std::chrono::steady_clock::now();
LogMessage(L"version=%x, PID=%d, TID=%d, Categories=%08x\r\n",GetWinVersion(),GetCurrentProcessId(),GetCurrentThreadId(),categories);
}
}
void CloseLog( void )
{
if (g_LogFile) fclose(g_LogFile);
g_LogFile=NULL;
g_LogCategories=0;
}
void LogMessage( const wchar_t *text, ... )
{
if (!g_LogFile) return;
wchar_t buf[2048];
int len=Sprintf(buf,_countof(buf),L"%8d: ",std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now()-g_LogTime).count());
fwrite(buf,2,len,g_LogFile);
va_list args;
va_start(args,text);
len=Vsprintf(buf,_countof(buf),text,args);
va_end(args);
fwrite(buf,2,len,g_LogFile);
fwrite(L"\r\n",2,2,g_LogFile);
fflush(g_LogFile);
}
void LogPropertyStore(TLogCategory category, IPropertyStore* store)
{
if (!store)
return;
DWORD count = 0;
store->GetCount(&count);
for (DWORD i = 0; i < count; i++)
{
PROPERTYKEY key{};
store->GetAt(i, &key);
PROPVARIANT val;
PropVariantInit(&val);
store->GetValue(key, &val);
CComString valueStr;
PropVariantToStringAlloc(val, &valueStr);
PropVariantClear(&val);
wchar_t guidStr[100]{};
StringFromGUID2(key.fmtid, guidStr, _countof(guidStr));
LOG_MENU(category, L"Property: {%s, %u} = %s", guidStr, key.pid, valueStr ? valueStr : L"???");
}
}