687 lines
16 KiB
C++
687 lines
16 KiB
C++
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/*-------------------------------------------------------*/
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//Copyright (c) 1997 Microsoft Corporation
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//
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//Module Name: Url Tracking Log Interfaces
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//
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// Urltrack.cpp
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//
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//
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//Author:
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//
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// Pei-Hwa Lin (peihwal) 19-March-97
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//
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//Environment:
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//
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// User Mode - Win32
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//
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//Revision History:
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// 5/13/97 due to cache container type change, allow
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// OPEN_ALWAYS when CreateFile
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// 5/14/97 remove IsOnTracking, TRACK_ALL, unused code
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/*-------------------------------------------------------*/
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#include "priv.h"
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#include <wininet.h>
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#include "basesb.h"
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#include "bindcb.h"
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#include <strsafe.h>
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const WCHAR c_szPropURL[] = L"HREF";
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const WCHAR c_szProptagName[] = L"Item";
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const TCHAR c_szLogContainer[] = TEXT("Log");
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#define MY_MAX_STRING_LEN 512
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//---------------------------------------------------------------------------
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//
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// IUnknown interfaces
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//
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//---------------------------------------------------------------------------
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HRESULT
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CUrlTrackingStg :: QueryInterface(REFIID riid, PVOID *ppvObj)
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{
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HRESULT hr = E_NOINTERFACE;
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IUrlTrackingStg))
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{
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AddRef();
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*ppvObj = (LPVOID) SAFECAST(this, IUrlTrackingStg *);
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hr = S_OK;
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}
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return hr;
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}
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ULONG
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CUrlTrackingStg :: AddRef(void)
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{
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_cRef ++;
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return _cRef;
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}
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ULONG
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CUrlTrackingStg :: Release(void)
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{
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ASSERT(_cRef > 0);
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_cRef--;
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if (!_cRef)
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{
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//time to go bye bye
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delete this;
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return 0;
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}
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return _cRef;
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}
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//---------------------------------------------------------------------------
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//
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// C'tor/D'tor
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//
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//---------------------------------------------------------------------------
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CUrlTrackingStg :: CUrlTrackingStg()
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{
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_hFile = NULL;
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_pRecords = NULL;
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_lpPfx = NULL;
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}
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CUrlTrackingStg :: ~CUrlTrackingStg()
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{
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// browser exit
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while (_pRecords)
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{
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OnUnload(_pRecords->pthisUrl);
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};
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if (_lpPfx)
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{
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GlobalFree(_lpPfx);
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_lpPfx = NULL;
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}
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if (_hFile)
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{
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CloseHandle(_hFile);
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_hFile = NULL;
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}
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}
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//---------------------------------------------------------------------------
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//
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// Helper functions
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//
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//---------------------------------------------------------------------------
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LRecord *
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CUrlTrackingStg :: AddNode()
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{
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LRecord* pTemp;
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LRecord* pNew = NULL;
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pNew = (LRecord *)LocalAlloc(LPTR, sizeof(LRecord));
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if (pNew == NULL)
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return NULL;
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pNew->pNext = NULL;
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if (_pRecords == NULL)
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{
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//special case for first node
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_pRecords = pNew;
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}
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else
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{
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for (pTemp = _pRecords; pTemp->pNext; pTemp = pTemp->pNext);
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pTemp->pNext = pNew;
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}
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return pNew;
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}
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void
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CUrlTrackingStg :: DeleteFirstNode()
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{
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LRecord *pTemp;
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if (!_pRecords)
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return;
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pTemp = _pRecords;
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_pRecords = pTemp->pNext;
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delete [] pTemp->pthisUrl;
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LocalFree(pTemp);
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pTemp = NULL;
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return;
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}
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void
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CUrlTrackingStg :: DeleteCurrentNode(LRecord *pThis)
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{
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LRecord *pPrev;
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if (_pRecords == pThis)
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{
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DeleteFirstNode();
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return;
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}
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pPrev = _pRecords;
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do
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{
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if (pPrev->pNext == pThis)
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{
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pPrev->pNext = pThis->pNext;
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delete [] pThis->pthisUrl;
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LocalFree(pThis);
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pThis = NULL;
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break;
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}
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pPrev = pPrev->pNext;
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}
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while (pPrev);
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return;
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}
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//
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// return Current node by comparing url strings
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//
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LRecord*
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CUrlTrackingStg :: FindCurrentNode
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(
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IN LPCTSTR lpUrl
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)
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{
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LRecord* pThis = NULL;
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ASSERT(_pRecords);
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if (!_pRecords) // missed OnLoad
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return NULL;
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pThis = _pRecords;
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do
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{
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if (!StrCmpI(lpUrl, pThis->pthisUrl))
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break;
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pThis = pThis->pNext;
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}
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while (pThis);
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return pThis;
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}
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void
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CUrlTrackingStg :: DetermineAppModule()
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{
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TCHAR szModule[MAX_PATH];
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LPTSTR szExt;
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if (GetModuleFileName(NULL, szModule, MAX_PATH))
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{
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szExt = PathFindExtension(szModule);
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TraceMsg(0, "tracking: AppModule %s", szModule);
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if (StrCmpI(szExt, TEXT(".SCR")) == 0)
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_fScreenSaver = TRUE;
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else
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_fScreenSaver = FALSE;
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}
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else
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_fScreenSaver = FALSE;
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_fModule = TRUE;
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}
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//---------------------------------------------------------------------------
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//
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// OnLoad(LPTSTR lpUrl, BRMODE context, BOOL fUseCache)
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// a new page is loaded
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// this function will remember time entering this page, context browsing
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// from and page URL string.
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// (lpUrl does NOT contain "track:" prefix)
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//---------------------------------------------------------------------------
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HRESULT
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CUrlTrackingStg :: OnLoad
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(
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IN LPCTSTR lpUrl,
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IN BRMODE ContextMode,
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IN BOOL fUseCache
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)
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{
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HRESULT hr = E_OUTOFMEMORY;
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SYSTEMTIME st;
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LRecord* pNewNode = NULL;
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GetLocalTime(&st);
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pNewNode = AddNode();
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if (!pNewNode)
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return hr;
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int cch = lstrlen(lpUrl)+1;
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pNewNode->pthisUrl = (LPTSTR)LocalAlloc(LPTR, cch * sizeof(TCHAR));
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if (pNewNode->pthisUrl == NULL)
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return hr;
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// store log info
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hr = StringCchCopy(pNewNode->pthisUrl, cch, lpUrl);
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if (SUCCEEDED(hr))
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{
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if (!_fModule)
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DetermineAppModule();
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// if it's from SS, the fullscreen flag will be set,
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// need to override ContextMode passed in
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if (_fScreenSaver)
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pNewNode->Context = BM_SCREENSAVER;
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else
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pNewNode->Context = (ContextMode > BM_THEATER) ? BM_UNKNOWN : ContextMode;
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BYTE cei[MAX_CACHE_ENTRY_INFO_SIZE];
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LPINTERNET_CACHE_ENTRY_INFO pcei = (LPINTERNET_CACHE_ENTRY_INFO)cei;
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DWORD cbcei = MAX_CACHE_ENTRY_INFO_SIZE;
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if (GetUrlCacheEntryInfo(lpUrl, pcei, &cbcei))
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pNewNode->fuseCache = (pcei->dwHitRate - 1) ? TRUE : FALSE; // off 1 by download
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else
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pNewNode->fuseCache = 0;
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SystemTimeToFileTime(&st, &(pNewNode->ftIn));
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}
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return hr;
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}
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//---------------------------------------------------------------------------
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//
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// OnUnLoad(LPTSTR lpUrl)
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// current page is unloaded
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// 1)find url cache entry and get file handle
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// 2)calculate total time duration visiting this page
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// 3)commit delta log string to file cache entry
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// (lpUrl contains "Tracking: " prefix)
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//
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//---------------------------------------------------------------------------
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HRESULT
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CUrlTrackingStg :: OnUnload
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(
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IN LPCTSTR lpUrl
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)
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{
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HRESULT hr = E_FAIL;
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LPTSTR lpPfxUrl = NULL;
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LRecord* pNode = NULL;;
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SYSTEMTIME st;
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LPINTERNET_CACHE_ENTRY_INFO pce = NULL;
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TCHAR lpFile[MAX_PATH];
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//
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GetLocalTime(&st);
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pNode = FindCurrentNode(lpUrl);
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if (!pNode)
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{
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TraceMsg(DM_ERROR, "CUrlTrackingStg: OnUnload (cannot find internal tracking log");
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return hr;
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}
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//QueryCacheEntry() and OpenLogFile() can be combined in one if CacheAPI supports
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//WriteUrlCacheEntryStream()
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ConvertToPrefixedURL(lpUrl, &lpPfxUrl);
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if (!lpPfxUrl)
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{
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return E_OUTOFMEMORY;
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}
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pce = QueryCacheEntry(lpPfxUrl);
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if (!pce)
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{
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TraceMsg(DM_ERROR, "CUrlTrackingStg: OnUnload (cannot find url cache entry)");
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DeleteCurrentNode(pNode);
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// free pce
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GlobalFree(lpPfxUrl);
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lpPfxUrl = NULL;
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return hr;
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}
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// work around -- begin
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hr = WininetWorkAround(lpPfxUrl, pce->lpszLocalFileName, &lpFile[0]);
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if (FAILED(hr))
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{
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TraceMsg(DM_ERROR, "CUrlTrackingStg: OnUnload (failed to work around wininet)");
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DeleteCurrentNode(pNode);
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if (_hFile)
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{
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CloseHandle(_hFile);
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_hFile = NULL;
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}
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GlobalFree(lpPfxUrl);
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lpPfxUrl = NULL;
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return hr;
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}
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hr = UpdateLogFile(pNode, &st);
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// commit change to cache
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if(SUCCEEDED(hr))
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{
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hr = (CommitUrlCacheEntry(lpPfxUrl,
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lpFile, //
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pce->ExpireTime, //ExpireTime
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pce->LastModifiedTime, //LastModifiedTime
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pce->CacheEntryType,
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NULL, //lpHeaderInfo
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0, //dwHeaderSize
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NULL, //lpszFileExtension
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0) ) ? //reserved
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S_OK : E_FAIL;
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}
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// work around -- end
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DeleteCurrentNode(pNode);
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// free pce
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GlobalFree(pce);
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pce = NULL;
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GlobalFree(lpPfxUrl);
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lpPfxUrl = NULL;
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return hr;
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}
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//---------------------------------------------------------------------------
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//
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// Cache helper funcitons
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// This is a workaround for Wininet cache
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// Later when we commit change to URL cache will fail if localFile size is changed
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// [IN] lpszSourceUrlName and lpszLocalFileName remain the same when calling
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// this routine
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// [OUT] new local file name
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//
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//---------------------------------------------------------------------------
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HRESULT CUrlTrackingStg :: WininetWorkAround(LPCTSTR lpszUrl, LPCTSTR lpOldFile, LPTSTR lpFile)
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{
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HRESULT hr = E_FAIL;
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ASSERT(!_hFile);
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if (!CreateUrlCacheEntry(lpszUrl, 512, TEXT("log"), lpFile, 0))
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return E_FAIL;
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if (lpOldFile)
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{
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|
|
if (!CopyFile(lpOldFile, lpFile, FALSE))
|
||
|
|
return E_FAIL;
|
||
|
|
|
||
|
|
DeleteFile(lpOldFile);
|
||
|
|
}
|
||
|
|
|
||
|
|
_hFile = OpenLogFile(lpFile);
|
||
|
|
|
||
|
|
if (_hFile != INVALID_HANDLE_VALUE)
|
||
|
|
_hFile = NULL;
|
||
|
|
|
||
|
|
return (_hFile) ? S_OK : E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
LPINTERNET_CACHE_ENTRY_INFO
|
||
|
|
CUrlTrackingStg :: QueryCacheEntry
|
||
|
|
(
|
||
|
|
IN LPCTSTR lpUrl
|
||
|
|
)
|
||
|
|
{
|
||
|
|
// get cache entry info
|
||
|
|
LPINTERNET_CACHE_ENTRY_INFO lpCE = NULL;
|
||
|
|
DWORD dwEntrySize;
|
||
|
|
BOOL bret = FALSE;
|
||
|
|
|
||
|
|
lpCE = (LPINTERNET_CACHE_ENTRY_INFO)GlobalAlloc(LPTR, MAX_CACHE_ENTRY_INFO_SIZE);
|
||
|
|
if (lpCE)
|
||
|
|
{
|
||
|
|
dwEntrySize = MAX_CACHE_ENTRY_INFO_SIZE;
|
||
|
|
|
||
|
|
while (!(bret = GetUrlCacheEntryInfo(lpUrl, lpCE, &dwEntrySize)))
|
||
|
|
{
|
||
|
|
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
|
||
|
|
{
|
||
|
|
GlobalFree(lpCE);
|
||
|
|
|
||
|
|
lpCE = (LPINTERNET_CACHE_ENTRY_INFO)GlobalAlloc(LPTR, dwEntrySize);
|
||
|
|
if (!lpCE)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!bret && lpCE)
|
||
|
|
{
|
||
|
|
GlobalFree(lpCE);
|
||
|
|
lpCE = NULL;
|
||
|
|
SetLastError(ERROR_FILE_NOT_FOUND);
|
||
|
|
}
|
||
|
|
|
||
|
|
return lpCE;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// File helper funcitons
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
//
|
||
|
|
// 1)open log file
|
||
|
|
// 2)move file pointer to end of file
|
||
|
|
//
|
||
|
|
HANDLE
|
||
|
|
CUrlTrackingStg :: OpenLogFile
|
||
|
|
(
|
||
|
|
IN LPCTSTR lpFileName
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HANDLE hFile = NULL;
|
||
|
|
|
||
|
|
hFile = CreateFile(lpFileName,
|
||
|
|
GENERIC_WRITE,
|
||
|
|
FILE_SHARE_READ,
|
||
|
|
NULL,
|
||
|
|
OPEN_ALWAYS,
|
||
|
|
FILE_ATTRIBUTE_NORMAL, // | FILE_FLAG_SEQUENTIAL_SCAN,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
if (hFile == INVALID_HANDLE_VALUE)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
return hFile;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
const TCHAR c_szLogFormat[] = TEXT("hh':'mm':'ss");
|
||
|
|
const LPTSTR c_szMode[] = { TEXT("N"), // normal browsing
|
||
|
|
TEXT("S"), // screen saver
|
||
|
|
TEXT("D"), // desktop component
|
||
|
|
TEXT("T"), // theater mode
|
||
|
|
TEXT("U"), // unknown
|
||
|
|
};
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
CUrlTrackingStg :: UpdateLogFile
|
||
|
|
(
|
||
|
|
IN LRecord* pNode,
|
||
|
|
IN SYSTEMTIME* pst
|
||
|
|
)
|
||
|
|
{
|
||
|
|
FILETIME ftOut;
|
||
|
|
DWORD dwWritten= 0;
|
||
|
|
HRESULT hr = E_FAIL;
|
||
|
|
ULARGE_INTEGER ulIn, ulOut, ulTotal;
|
||
|
|
|
||
|
|
ASSERT(_hFile);
|
||
|
|
|
||
|
|
// calculate delta of time
|
||
|
|
SystemTimeToFileTime(pst, &ftOut);
|
||
|
|
|
||
|
|
// #34829: use 64-bit calculation
|
||
|
|
ulIn.LowPart = pNode->ftIn.dwLowDateTime;
|
||
|
|
ulIn.HighPart = pNode->ftIn.dwHighDateTime;
|
||
|
|
ulOut.LowPart = ftOut.dwLowDateTime;
|
||
|
|
ulOut.HighPart = ftOut.dwHighDateTime;
|
||
|
|
QUAD_PART(ulTotal) = QUAD_PART(ulOut) - QUAD_PART(ulIn);
|
||
|
|
|
||
|
|
ftOut.dwLowDateTime = ulTotal.LowPart;
|
||
|
|
ftOut.dwHighDateTime = ulTotal.HighPart;
|
||
|
|
|
||
|
|
// log string: timeEnter+Duration
|
||
|
|
SYSTEMTIME stOut, stIn;
|
||
|
|
TCHAR lpLogString[MY_MAX_STRING_LEN];
|
||
|
|
TCHAR pTimeIn[10], pTimeOut[10];
|
||
|
|
|
||
|
|
FileTimeToSystemTime(&ftOut, &stOut);
|
||
|
|
FileTimeToSystemTime(&(pNode->ftIn), &stIn);
|
||
|
|
|
||
|
|
GetTimeFormat(LOCALE_SYSTEM_DEFAULT, TIME_FORCE24HOURFORMAT, &stIn, c_szLogFormat, pTimeIn, 10);
|
||
|
|
GetTimeFormat(LOCALE_SYSTEM_DEFAULT, TIME_FORCE24HOURFORMAT, &stOut, c_szLogFormat, pTimeOut, 10);
|
||
|
|
// #34832: add Date in logs
|
||
|
|
// #28266: add LFCR in logs
|
||
|
|
lpLogString[0] = '\0';
|
||
|
|
hr = StringCchPrintf(lpLogString, ARRAYSIZE(lpLogString), TEXT("%s %d %.2d-%.2d-%d %s %s\r\n"),
|
||
|
|
c_szMode[pNode->Context],
|
||
|
|
pNode->fuseCache,
|
||
|
|
stIn.wMonth, stIn.wDay, stIn.wYear,
|
||
|
|
pTimeIn, pTimeOut);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// move file pointer to end
|
||
|
|
if (0xFFFFFFFF == SetFilePointer(_hFile, 0, 0, FILE_END))
|
||
|
|
{
|
||
|
|
CloseHandle(_hFile);
|
||
|
|
_hFile = NULL;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// write ANSI string to file
|
||
|
|
char szLogInfo[MY_MAX_STRING_LEN];
|
||
|
|
|
||
|
|
SHTCharToAnsi(lpLogString, szLogInfo, ARRAYSIZE(szLogInfo));
|
||
|
|
hr = (WriteFile(_hFile, szLogInfo, lstrlenA(szLogInfo), &dwWritten, NULL)) ?
|
||
|
|
S_OK : E_FAIL;
|
||
|
|
|
||
|
|
CloseHandle(_hFile);
|
||
|
|
_hFile = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// ReadTrackingPrefix
|
||
|
|
//
|
||
|
|
// read prefix string from registry
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
void
|
||
|
|
CUrlTrackingStg :: ReadTrackingPrefix(void)
|
||
|
|
{
|
||
|
|
DWORD cbPfx = 0;
|
||
|
|
struct {
|
||
|
|
INTERNET_CACHE_CONTAINER_INFO cInfo;
|
||
|
|
TCHAR szBuffer[MAX_PATH+MAX_PATH];
|
||
|
|
} ContainerInfo;
|
||
|
|
DWORD dwModified, dwContainer;
|
||
|
|
HANDLE hEnum;
|
||
|
|
|
||
|
|
dwContainer = sizeof(ContainerInfo);
|
||
|
|
hEnum = FindFirstUrlCacheContainer(&dwModified,
|
||
|
|
&ContainerInfo.cInfo,
|
||
|
|
&dwContainer,
|
||
|
|
0);
|
||
|
|
|
||
|
|
if (hEnum)
|
||
|
|
{
|
||
|
|
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
if (!StrCmpI(ContainerInfo.cInfo.lpszName, c_szLogContainer))
|
||
|
|
{
|
||
|
|
DWORD cch = lstrlen(ContainerInfo.cInfo.lpszCachePrefix)+1;
|
||
|
|
ASSERT(ContainerInfo.cInfo.lpszCachePrefix[0]);
|
||
|
|
|
||
|
|
_lpPfx = (LPTSTR)GlobalAlloc(LPTR, cch * sizeof(TCHAR));
|
||
|
|
if (!_lpPfx)
|
||
|
|
SetLastError(ERROR_OUTOFMEMORY);
|
||
|
|
|
||
|
|
StringCchCopy(_lpPfx, cch, ContainerInfo.cInfo.lpszCachePrefix);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
dwContainer = sizeof(ContainerInfo);
|
||
|
|
if (!FindNextUrlCacheContainer(hEnum, &ContainerInfo.cInfo, &dwContainer))
|
||
|
|
{
|
||
|
|
// This code used to check GetLastError() for ERROR_NO_MORE_ITEMS before
|
||
|
|
// it would break. Well, that could put us in an infinite loop if the
|
||
|
|
// reason for failure were something else (like insufficient buffer) because
|
||
|
|
// wininet would not move forward in it's enumeration and we would not
|
||
|
|
// have done anything to address the error.
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
FindCloseUrlCache(hEnum);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// caller must free lplpPrefixedUrl
|
||
|
|
BOOL
|
||
|
|
CUrlTrackingStg :: ConvertToPrefixedURL(LPCTSTR lpszUrl, LPTSTR *lplpPrefixedUrl)
|
||
|
|
{
|
||
|
|
BOOL bret = FALSE;
|
||
|
|
|
||
|
|
ASSERT(lpszUrl);
|
||
|
|
if (!lpszUrl)
|
||
|
|
return bret;
|
||
|
|
|
||
|
|
//ASSERT(lplpPrefixedUrl);
|
||
|
|
|
||
|
|
if (!_lpPfx)
|
||
|
|
ReadTrackingPrefix();
|
||
|
|
|
||
|
|
if (_lpPfx)
|
||
|
|
{
|
||
|
|
int len = lstrlen(lpszUrl) + lstrlen(_lpPfx) + 1;
|
||
|
|
|
||
|
|
*lplpPrefixedUrl = (LPTSTR)GlobalAlloc(LPTR, len * sizeof(TCHAR));
|
||
|
|
if (*lplpPrefixedUrl)
|
||
|
|
{
|
||
|
|
bret = SUCCEEDED(StringCchPrintf(*lplpPrefixedUrl, len, TEXT("%s%s"), _lpPfx, lpszUrl));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return bret;
|
||
|
|
}
|