Source code of Windows XP (NT5)
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//
// MODULE: DOWNLOAD.CPP
//
// PURPOSE: Downloads and installs the latest trouble shooters.
//
// PROJECT: Generic Troubleshooter DLL for Microsoft AnswerPoint
//
// COMPANY: Saltmine Creative, Inc. (206)-633-4743 [email protected]
//
// AUTHOR: Roman Mach
//
// ORIGINAL DATE: 6/4/96
//
// NOTES:
// 1. Based on PROGRESS.CPP from Microsoft Platform Preview SDK
//
// Version Date By Comments
//--------------------------------------------------------------------
// V0.1 - RM Original
// V0.3 04/09/98 JM/OK+ Local Version for NT5
//
#include "stdafx.h"
class CTSHOOTCtrl;
#include "download.h"
#include "dnldlist.h"
#include "TSHOOT.h"
#include "time.h"
#include "apgts.h"
#include "ErrorEnums.h"
#include "BasicException.h"
#include "apgtsfst.h"
#include "ErrorEnums.h"
#include "bnts.h"
#include "BackupInfo.h"
#include "cachegen.h"
#include "apgtsinf.h"
#include "apgtscmd.h"
#include "apgtshtx.h"
#include "apgtscls.h"
#include "TSHOOTCtl.h"
// ===========================================================================
// CBindStatusCallback Implementation
// ===========================================================================
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::CBindStatusCallback
// ---------------------------------------------------------------------------
CBindStatusCallback::CBindStatusCallback(CTSHOOTCtrl *pEvent, DLITEMTYPES dwItem)
{
m_pbinding = NULL;
m_pstm = NULL;
m_cRef = 1;
m_pEvent = pEvent;
m_data = NULL;
m_datalen = 0;
m_dwItem = dwItem;
} // CBindStatusCallback
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::~CBindStatusCallback
// ---------------------------------------------------------------------------
CBindStatusCallback::~CBindStatusCallback()
{
if (m_data)
delete[] m_data;
} // ~CBindStatusCallback
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::QueryInterface
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::QueryInterface(REFIID riid, void** ppv)
{
*ppv = NULL;
if (riid==IID_IUnknown || riid==IID_IBindStatusCallback)
{
*ppv = this;
AddRef();
return S_OK;
}
return E_NOINTERFACE;
} // CBindStatusCallback::QueryInterface
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::OnStartBinding
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::OnStartBinding(DWORD dwReserved, IBinding* pbinding)
{
if (m_pbinding != NULL)
m_pbinding->Release();
m_pbinding = pbinding;
if (m_pbinding != NULL)
{
m_pbinding->AddRef();
//m_pEvent->StatusEventHelper(m_dwItem, LTSC_STARTBIND);
}
return S_OK;
} // CBindStatusCallback::OnStartBinding
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::GetPriority
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::GetPriority(LONG* pnPriority)
{
return E_NOTIMPL;
} // CBindStatusCallback::GetPriority
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::OnLowResource
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::OnLowResource(DWORD dwReserved)
{
return E_NOTIMPL;
} // CBindStatusCallback::OnLowResource
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::OnProgress
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::OnProgress(ULONG ulProgress, ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
{
m_pEvent->ProgressEventHelper(m_dwItem, ulProgress, (ulProgress>ulProgressMax)?ulProgress:ulProgressMax);
return(NOERROR);
} // CBindStatusCallback::OnProgress
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::OnStopBinding
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::OnStopBinding(HRESULT hrStatus, LPCWSTR pszError)
{
if (hrStatus)
m_pEvent->StatusEventHelper(m_dwItem, LTSCERR_STOPBINDINT, hrStatus & 0xFFFF, TRUE);
else
{
DLSTATTYPES dwStat = m_pEvent->ProcessReceivedData(m_dwItem, m_data, m_datalen);
if (dwStat == LTSC_OK)
m_pEvent->StatusEventHelper(m_dwItem, LTSC_STOPBIND, 0, TRUE);
else
m_pEvent->StatusEventHelper(m_dwItem, LTSCERR_STOPBINDPROC, dwStat, TRUE);
}
if (m_pbinding)
{
m_pbinding->Release();
m_pbinding = NULL;
}
return S_OK;
} // CBindStatusCallback::OnStopBinding
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::GetBindInfo
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::GetBindInfo(DWORD* pgrfBINDF, BINDINFO* pbindInfo)
{
*pgrfBINDF = BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA;
*pgrfBINDF |= BINDF_GETNEWESTVERSION | BINDF_NOWRITECACHE;
pbindInfo->cbSize = sizeof(BINDINFO);
pbindInfo->szExtraInfo = NULL;
memset(&pbindInfo->stgmedData, 0, sizeof(STGMEDIUM));
pbindInfo->grfBindInfoF = 0;
pbindInfo->dwBindVerb = BINDVERB_GET;
pbindInfo->szCustomVerb = NULL;
return S_OK;
} // CBindStatusCallback::GetBindInfo
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::OnDataAvailable
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::OnDataAvailable(DWORD grfBSCF, DWORD dwSize, FORMATETC* pfmtetc, STGMEDIUM* pstgmed)
{
HRESULT hr=S_OK;
DWORD dStrlength=0;
//m_pEvent->StatusEventHelper(m_dwItem, LTSC_START);
// Get the Stream passed
if (BSCF_FIRSTDATANOTIFICATION & grfBSCF)
{
if (!m_pstm && pstgmed->tymed == TYMED_ISTREAM)
{
m_pstm = pstgmed->pstm;
if (m_pstm)
m_pstm->AddRef();
//m_pEvent->StatusEventHelper(m_dwItem, LTSC_FIRST);
}
}
// If there is some data to be read then go ahead and read them
if (m_pstm && dwSize)
{
DWORD dwActuallyRead = 0; // Placeholder for amount read during this pull
do
{
TCHAR * pNewstr = new TCHAR[dwSize + 1 + m_datalen];
if (pNewstr==NULL)
{
hr = S_FALSE;
break;
}
hr = m_pstm->Read(&pNewstr[m_datalen], dwSize, &dwActuallyRead);
if (dwActuallyRead)
{
pNewstr[m_datalen + dwActuallyRead] = 0;
if (m_data && m_datalen)
{
memcpy(pNewstr, m_data, m_datalen);
delete[] m_data;
m_data = NULL;
}
//m_pEvent->StatusEventHelper(m_dwItem, LTSC_RCVDATA);
m_data = pNewstr;
m_datalen += dwActuallyRead;
}
else
delete[] pNewstr;
} while (!(hr == E_PENDING || hr == S_FALSE) && SUCCEEDED(hr));
}
if (BSCF_LASTDATANOTIFICATION & grfBSCF)
{
if (m_pstm)
m_pstm->Release();
hr=S_OK; // If it was the last data then we should return S_OK as we just finished reading everything
//m_pEvent->StatusEventHelper(m_dwItem, LTSC_DATADONE);
}
//m_pEvent->StatusEventHelper(m_dwItem, LTSC_STOP);
return hr;
} // CBindStatusCallback::OnDataAvailable
// ---------------------------------------------------------------------------
// %%Function: CBindStatusCallback::OnObjectAvailable
// ---------------------------------------------------------------------------
STDMETHODIMP
CBindStatusCallback::OnObjectAvailable(REFIID riid, IUnknown* punk)
{
return E_NOTIMPL;
} // CBindStatusCallback::OnObjectAvailable
// ===========================================================================
// CDownload Implementation
// ===========================================================================
// ---------------------------------------------------------------------------
// %%Function: CDownload::CDownload
// ---------------------------------------------------------------------------
CDownload::CDownload()
{
m_pmk = 0;
m_pbc = 0;
m_pbsc = 0;
} // CDownload
// ---------------------------------------------------------------------------
// %%Function: CDownload::~CDownload
// ---------------------------------------------------------------------------
CDownload::~CDownload()
{
if (m_pmk)
m_pmk->Release();
if (m_pbc)
m_pbc->Release();
if (m_pbsc)
m_pbsc->Release();
} // ~CDownload
// ---------------------------------------------------------------------------
// %%Function: CDownload::DoDownload
// ---------------------------------------------------------------------------
HRESULT
CDownload::DoDownload(CTSHOOTCtrl *pEvent, LPCTSTR pURL, DLITEMTYPES dwItem)
{
IStream* pstm = NULL;
HRESULT hr;
#ifndef _UNICODE
WCHAR rgwchPath[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, pURL, -1, rgwchPath, MAX_PATH);
hr = CreateURLMoniker(NULL, rgwchPath, &m_pmk);
#else
hr = CreateURLMoniker(NULL, pURL, &m_pmk);
#endif
if (FAILED(hr))
goto LErrExit;
m_pbsc = new CBindStatusCallback(pEvent, dwItem);
if (m_pbsc == NULL)
{
hr = E_OUTOFMEMORY;
goto LErrExit;
}
hr = CreateBindCtx(0, &m_pbc);
if (FAILED(hr))
goto LErrExit;
hr = RegisterBindStatusCallback(m_pbc,
m_pbsc,
0,
0L);
if (FAILED(hr))
goto LErrExit;
hr = m_pmk->BindToStorage(m_pbc, 0, IID_IStream, (void**)&pstm);
if (FAILED(hr))
goto LErrExit;
return hr;
while (S_OK == m_pmk->IsRunning(m_pbc, NULL, NULL));
Sleep(200);
LErrExit:
if (m_pbc != NULL)
{
m_pbc->Release();
m_pbc = NULL;
}
if (m_pbsc != NULL)
{
m_pbsc->Release();
m_pbsc = NULL;
}
if (m_pmk != NULL)
{
m_pmk->Release();
m_pmk = NULL;
}
if (pstm)
{
pstm->Release();
pstm = NULL;
}
return hr;
} // CDownload::DoDownload