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