575 lines
13 KiB
C++
575 lines
13 KiB
C++
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/*****************************************************************************\
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* MODULE: request.cpp
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*
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* PURPOSE: Implementation of COM interface for BidiSpooler
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*
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* Copyright (C) 2000 Microsoft Corporation
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*
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* History:
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*
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* 03/07/00 Weihai Chen (weihaic) Created
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*
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\*****************************************************************************/
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#include "precomp.h"
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#include "priv.h"
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//
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// Constructor
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//
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TBidiRequest::TBidiRequest() :
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m_cRef(1),
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m_kDataType (BIDI_NULL),
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m_dwDataSize (0),
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m_pbData (NULL),
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m_pSchema (NULL),
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m_bValid (FALSE)
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{
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InterlockedIncrement(&g_cComponents) ;
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m_bValid = m_CritSec.bValid () && m_ResponseDataList.bValid ();
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DBGMSG(DBG_TRACE,("TBidiRequest Created\n"));
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}
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//
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// Destructor
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//
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TBidiRequest::~TBidiRequest()
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{
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InterlockedDecrement(&g_cComponents) ;
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if (m_pSchema)
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delete [] m_pSchema;
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DBGMSG(DBG_TRACE,("TBidiRequest Dstroy self\n"));
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}
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//
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// IUnknown implementation
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//
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STDMETHODIMP
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TBidiRequest::QueryInterface(
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REFIID iid,
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PVOID* ppv)
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{
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HRESULT hr = S_OK;
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DBGMSG(DBG_TRACE,("Enter TBidiRequest QI\n"));
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if (iid == IID_IUnknown) {
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*ppv = static_cast<IBidiRequest*>(this) ;
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}
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else if (iid == IID_IBidiRequest) {
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*ppv = static_cast<IBidiRequest*>(this) ;
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}
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else if (iid == IID_IBidiRequestSpl) {
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*ppv = static_cast<IBidiRequestSpl*>(this) ;
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}
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else {
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*ppv = NULL ;
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hr = E_NOINTERFACE ;
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}
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if (*ppv) {
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reinterpret_cast<IUnknown*>(*ppv)->AddRef() ;
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}
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DBGMSG(DBG_TRACE,("Leave TBidiRequest QI hr=%x\n", hr));
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return hr ;
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}
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STDMETHODIMP_ (ULONG)
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TBidiRequest::AddRef()
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{
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DBGMSG(DBG_TRACE,("Enter TBidiRequest::AddRef ref= %d\n", m_cRef));
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return InterlockedIncrement(&m_cRef) ;
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}
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STDMETHODIMP_ (ULONG)
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TBidiRequest::Release()
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{
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DBGMSG(DBG_TRACE,("Enter TBidiRequest::Release ref= %d\n", m_cRef));
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if (InterlockedDecrement(&m_cRef) == 0)
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{
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delete this ;
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return 0 ;
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}
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return m_cRef ;
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}
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STDMETHODIMP
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TBidiRequest::SetSchema(
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LPCWSTR pszSchema)
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{
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HRESULT hr (E_FAIL);
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DBGMSG(DBG_TRACE,("Enter SetSchema %ws\n", pszSchema));
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if (m_bValid) {
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TAutoCriticalSection CritSec (m_CritSec);
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if (CritSec.bValid ()) {
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if (m_pSchema) {
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delete[] m_pSchema;
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m_pSchema = NULL;
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}
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if (pszSchema) {
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m_pSchema = new WCHAR [lstrlen (pszSchema) + 1];
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if (m_pSchema) {
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lstrcpy (m_pSchema, pszSchema);
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hr = S_OK;
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}
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}
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else
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SetLastError (ERROR_INVALID_PARAMETER);
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}
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if (FAILED (hr)) {
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hr = LastError2HRESULT();
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}
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequest::SetInputData(
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IN CONST DWORD dwType,
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IN CONST BYTE *pData,
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IN CONST UINT uSize)
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{
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HRESULT hr (S_OK);
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DBGMSG(DBG_TRACE,("Enter SetInputData dwType=%d\n", dwType));
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if (m_bValid) {
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// Verify data type and its size
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switch (dwType) {
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case BIDI_NULL:
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if (uSize)
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hr = E_INVALIDARG;
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break;
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case BIDI_INT:
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if (uSize != sizeof (ULONG)) {
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hr = E_INVALIDARG;
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}
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break;
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case BIDI_FLOAT:
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if (uSize != sizeof (FLOAT)) {
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hr = E_INVALIDARG;
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}
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break;
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case BIDI_BOOL:
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if (uSize != sizeof (BOOL)) {
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hr = E_INVALIDARG;
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}
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break;
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case BIDI_ENUM:
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case BIDI_STRING:
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case BIDI_TEXT:
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if (uSize != sizeof (WCHAR) * (lstrlen (reinterpret_cast<LPCWSTR> (pData)) + 1)) {
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hr = E_INVALIDARG;
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}
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break;
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case BIDI_BLOB:
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hr = S_OK;
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break;
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default:
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hr = E_INVALIDARG;
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}
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if (hr == S_OK) {
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TAutoCriticalSection CritSec (m_CritSec);
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if (CritSec.bValid ()) {
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if (m_pbData) {
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delete [] m_pbData;
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m_pbData = NULL;
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}
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m_kDataType = (BIDI_TYPE) dwType;
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m_dwDataSize = uSize;
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if (uSize > 0) {
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m_pbData = new BYTE [uSize];
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if (m_pbData) {
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CopyMemory (m_pbData, pData, uSize);
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hr = S_OK;
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}
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else
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hr = E_OUTOFMEMORY;
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}
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else
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hr = S_OK;
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}
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else {
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hr = LastError2HRESULT();
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}
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}
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequest::GetResult(
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HRESULT *phr)
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{
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HRESULT hr;
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DBGMSG(DBG_TRACE,("Enter GetResult\n"));
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if (m_bValid) {
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if (phr) {
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TAutoCriticalSection CritSec (m_CritSec);
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if (CritSec.bValid ()) {
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*phr = m_hr;
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hr = S_OK;
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}
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else
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hr = LastError2HRESULT();
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}
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else {
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hr = E_POINTER;
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}
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequest::GetOutputData(
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DWORD dwIndex,
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LPWSTR *ppszSchema,
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PDWORD pdwType,
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PBYTE *ppData,
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PULONG puSize)
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{
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HRESULT hr (E_FAIL);
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DBGMSG(DBG_TRACE,("Enter GetOutputData\n"));
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if (m_bValid) {
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if (ppszSchema && ppData && pdwType && puSize) {
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TAutoCriticalSection CritSec (m_CritSec);
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PBYTE pData = NULL;
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LPWSTR pszSchema = NULL;
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DWORD dwType = 0;
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DWORD dwSize = 0;
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if (CritSec.bValid ()) {
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TResponseData * pRespData = m_ResponseDataList.GetItemFromIndex (dwIndex);
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if (pRespData) {
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LPCTSTR pszRespSchema = pRespData->GetSchema ();
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if (pszRespSchema) {
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pszSchema = (LPWSTR) CoTaskMemAlloc (( 1 + lstrlen (pszRespSchema)) * sizeof (TCHAR));
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if (pszSchema) {
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lstrcpy (pszSchema, pszRespSchema);
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}
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else
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goto Cleanup;
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}
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else
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pszSchema = NULL;
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dwType = pRespData->GetType ();
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dwSize = pRespData->GetSize ();
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if (dwSize == 0) {
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hr = S_OK;
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}
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else {
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pData = (PBYTE) CoTaskMemAlloc (dwSize);
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if (pData) {
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CopyMemory (pData, pRespData->GetData (), dwSize);
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hr = S_OK;
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}
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}
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}
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else {
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SetLastError (ERROR_INVALID_DATA);
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}
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}
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Cleanup:
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if (FAILED (hr)) {
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hr = LastError2HRESULT ();
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if (pszSchema) {
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CoTaskMemFree (pszSchema);
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pszSchema = NULL;
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}
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if (pData) {
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CoTaskMemFree (pData);
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pData = NULL;
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}
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}
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else {
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*ppszSchema = pszSchema;
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*ppData = pData;
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*pdwType = dwType;
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*puSize = dwSize;
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}
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}
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else
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hr = E_POINTER;
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequest::GetEnumCount(
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OUT PDWORD pdwTotal)
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{
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HRESULT hr;
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DBGMSG(DBG_TRACE,("Enter GetOutputData\n"));
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if (m_bValid) {
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if (pdwTotal) {
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TAutoCriticalSection CritSec (m_CritSec);
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if (CritSec.bValid ()) {
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BOOL bRet;
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bRet = m_ResponseDataList.GetTotalNode (pdwTotal);
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if (bRet) {
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hr = S_OK;
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}
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else
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hr = LastError2HRESULT();
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}
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else
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hr = LastError2HRESULT();
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}
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else {
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hr = E_POINTER;
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}
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}
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else
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hr = E_HANDLE;
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return hr;
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}
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STDMETHODIMP
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TBidiRequest::GetSchema (
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OUT LPWSTR *ppszSchema)
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{
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HRESULT hr;
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LPWSTR pStr;
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DBGMSG(DBG_TRACE,("Enter GetSchema\n"));
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if (m_bValid) {
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if (ppszSchema) {
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TAutoCriticalSection CritSec (m_CritSec);
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if (CritSec.bValid ()) {
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if (m_pSchema) {
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pStr = (LPWSTR) CoTaskMemAlloc (( 1 + lstrlen (m_pSchema)) * sizeof (WCHAR));
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if (pStr) {
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lstrcpy (pStr, m_pSchema);
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*ppszSchema = pStr;
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hr = S_OK;
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}
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else
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hr = E_OUTOFMEMORY;
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}
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else {
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*ppszSchema = NULL;
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hr = S_OK;
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}
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}
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else
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hr = LastError2HRESULT();
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}
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else {
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|
hr = E_POINTER;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_HANDLE;
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
TBidiRequest::GetInputData (
|
||
|
|
OUT PDWORD pdwType,
|
||
|
|
OUT PBYTE *ppData,
|
||
|
|
OUT PULONG puSize)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
DBGMSG(DBG_TRACE,("Enter GetInputData\n"));
|
||
|
|
|
||
|
|
if (m_bValid) {
|
||
|
|
|
||
|
|
if (pdwType && ppData && puSize) {
|
||
|
|
|
||
|
|
TAutoCriticalSection CritSec (m_CritSec);
|
||
|
|
|
||
|
|
if (CritSec.bValid ()) {
|
||
|
|
|
||
|
|
*pdwType = m_kDataType;
|
||
|
|
|
||
|
|
if (m_pbData) {
|
||
|
|
|
||
|
|
*ppData = (PBYTE) CoTaskMemAlloc (m_dwDataSize);
|
||
|
|
|
||
|
|
if (*ppData) {
|
||
|
|
CopyMemory (*ppData, m_pbData, m_dwDataSize);
|
||
|
|
*puSize = m_dwDataSize;
|
||
|
|
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
*ppData = NULL;
|
||
|
|
*puSize = 0;
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = LastError2HRESULT();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_POINTER;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_HANDLE;
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
TBidiRequest::SetResult (
|
||
|
|
IN CONST HRESULT hrReq)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
DBGMSG(DBG_TRACE,("Enter SetResult\n"));
|
||
|
|
|
||
|
|
if (m_bValid) {
|
||
|
|
|
||
|
|
TAutoCriticalSection CritSec (m_CritSec);
|
||
|
|
|
||
|
|
if (CritSec.bValid ()) {
|
||
|
|
m_hr = hrReq;
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = LastError2HRESULT();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_HANDLE;
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
TBidiRequest::AppendOutputData (
|
||
|
|
IN CONST LPCWSTR pszSchema,
|
||
|
|
IN CONST DWORD dwType,
|
||
|
|
IN CONST BYTE *pData,
|
||
|
|
IN CONST ULONG uSize)
|
||
|
|
{
|
||
|
|
HRESULT hr (E_FAIL);
|
||
|
|
BOOL bRet;
|
||
|
|
|
||
|
|
DBGMSG(DBG_TRACE,("Enter AppendOutputData\n"));
|
||
|
|
|
||
|
|
if (m_bValid) {
|
||
|
|
|
||
|
|
TResponseData *pRespData = NULL;
|
||
|
|
|
||
|
|
pRespData = new TResponseData (pszSchema, dwType, pData, uSize);
|
||
|
|
|
||
|
|
bRet = pRespData && pRespData->bValid ();
|
||
|
|
|
||
|
|
if (bRet) {
|
||
|
|
|
||
|
|
TAutoCriticalSection CritSec (m_CritSec);
|
||
|
|
|
||
|
|
if (CritSec.bValid ()) {
|
||
|
|
|
||
|
|
bRet = m_ResponseDataList.AppendItem (pRespData);
|
||
|
|
|
||
|
|
if (bRet) {
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED (hr)) {
|
||
|
|
hr = LastError2HRESULT();
|
||
|
|
if (pRespData) {
|
||
|
|
delete (pRespData);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = E_HANDLE;
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|