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windows-nt/Source/XPSP1/NT/multimedia/dshow/vidctl/msvidctl/tuningspacecontainer.cpp

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2020-09-26 03:20:57 -05:00
/////////////////////////////////////////////////////////////////////////////////////
// TuningSpaceContainer.cpp : Implementation of CSystemTuningSpaces
// Copyright (c) Microsoft Corporation 1999-2000.
#include "stdafx.h"
#include "TuningSpaceContainer.h"
#include "rgsbag.h"
#include "ATSCTS.h"
#include "AnalogTVTS.h"
#include "AuxiliaryInTs.h"
#include "AnalogRadioTS.h"
#include "dvbts.h"
#include "dvbsts.h"
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_SystemTuningSpaces, CSystemTuningSpaces)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_ATSCTuningSpace, CATSCTS)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_AnalogTVTuningSpace, CAnalogTVTS)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_AuxInTuningSpace, CAuxInTS)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_AnalogRadioTuningSpace, CAnalogRadioTS)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_DVBTuningSpace, CDVBTS)
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_DVBSTuningSpace, CDVBSTS)
#define MAX_COUNT_NAME OLESTR("Max Count")
namespace BDATuningModel {
typedef CComQIPtr<ITuningSpaceContainer> PQTuningSpaceContainer;
class CAutoMutex {
public:
const static int MAX_MUTEX_WAIT = 5000;
CAutoMutex(HANDLE hMutex) throw(ComException) : m_hMutex(hMutex) {
if (WaitForSingleObject(m_hMutex, MAX_MUTEX_WAIT) != WAIT_OBJECT_0)
THROWCOM(E_FAIL);
}
~CAutoMutex() throw(ComException) {
if (!ReleaseMutex(m_hMutex))
THROWCOM(E_FAIL);
}
private:
HANDLE m_hMutex;
};
// to avoid deadlock, always grab the objects critsec via ATL_LOCK before
// grabbing the registry section mutex.
/////////////////////////////////////////////////////////////////////////////
// CSystemTuningSpaces
HRESULT
CSystemTuningSpaces::FinalConstruct(void)
{
// set up to serialize access to this point in the registry
CString cs;
cs.LoadString(IDS_MUTNAME);
m_hMutex = CreateMutex(NULL, FALSE, cs);
if (!m_hMutex)
{
return Error(IDS_E_NOMUTEX, __uuidof(ITuningSpaceContainer), HRESULT_FROM_WIN32(GetLastError()));
}
try {
// wait for exclusive access
CAutoMutex mutex(m_hMutex);
// this must only be done once
_ASSERT(!m_pFactory);
// get the property bag class factory
HRESULT hr = m_pFactory.CoCreateInstance(__uuidof(CreatePropBagOnRegKey));
if (FAILED(hr))
{
return Error(IDS_E_NOPROPBAGFACTORY, __uuidof(ITuningSpaceContainer), hr);
}
hr = OpenRootKeyAndBag(KEY_READ);
if (FAILED(hr)) {
return Error(IDS_E_NOREGACCESS, __uuidof(ITuningSpaceContainer), hr);
}
PQPropertyBag pb(m_pTSBag);
if (!pb) {
return E_UNEXPECTED;
}
// discover the maximum possible number of tuning spaces that currently exist
ULONG cTSPropCount;
hr = m_pTSBag->CountProperties(&cTSPropCount);
if (FAILED(hr))
{
return Error(IDS_E_CANNOTQUERYKEY, __uuidof(ITuningSpaceContainer), hr);
}
// allocate space to hold the tuning space object information entries
PROPBAG2 *rgPROPBAG2 = new PROPBAG2[cTSPropCount];
if (!rgPROPBAG2)
{
return Error(IDS_E_OUTOFMEMORY, __uuidof(ITuningSpaceContainer), E_OUTOFMEMORY);
}
ULONG cpb2Lim;
// get all the property info structs at once
hr = m_pTSBag->GetPropertyInfo(0, cTSPropCount, rgPROPBAG2, &cpb2Lim);
if (FAILED(hr))
{
return Error(IDS_E_CANNOTQUERYKEY, __uuidof(ITuningSpaceContainer), hr);
}
_ASSERT(cTSPropCount == cpb2Lim);
HRESULT hrc = NOERROR;
// go through the list of properties
for (ULONG ipb2 = 0; ipb2 < cpb2Lim; ++ipb2)
{
// only deal with ones that represent sub-objects (keys)
if (rgPROPBAG2[ipb2].vt == VT_UNKNOWN)
{
USES_CONVERSION;
LPTSTR pstrName = OLE2T(rgPROPBAG2[ipb2].pstrName);
TCHAR* pchStop;
// check for a valid tuning space identifier
ULONG idx = _tcstoul(pstrName, &pchStop, 10);
if (idx != 0 && idx != ULONG_MAX && *pchStop == 0)
{
CComVariant var;
// read the property from the bag (instantiating the tuning space object)
HRESULT hr2;
hr = m_pTSBag->Read(1, &rgPROPBAG2[ipb2], NULL, &var, &hr2);
if (FAILED(hr)) {
// even if the read fails, we should keep going.
// a) this is the easiest way to prevent memory leaks from rgPROPBAG2
// b) a bad 3rd party uninstall could leave us with tuning space data
// but no tuning space class to instantiate for that data. we shouldn't
// allow this to prevent use of other tuning spaces.
hrc = hr;
} else {
_ASSERT(var.vt == VT_UNKNOWN || var.vt == VT_DISPATCH);
PQTuningSpace pTS(((var.vt == VT_UNKNOWN) ? var.punkVal : var.pdispVal));
CComBSTR UniqueName(GetUniqueName(pTS));
if (!UniqueName.Length()) {
// return Error(IDS_E_NOUNIQUENAME, __uuidof(ITuningSpace), E_UNEXPECTED);
// seanmcd 01/04/04 don't allow a corrupt tuning space to prevent
// use of the rest of them. treat this as a read failure as per the above
// comment
// but remove it from the collection otherwise we've got a name/idx
// cache inconsistency problem
hrc = hr = E_UNEXPECTED; // indicate error to delete corrupt TS below
} else {
m_mapTuningSpaces[idx] = var;
m_mapTuningSpaceNames[UniqueName] = idx;
}
#if 0
// the following code has been tested and works, but i don't want to
// turn it on because stress testing can cause false registry
// read failures that resolve themselves later when the system isn't under
// stress and i don't want to risk deleting a good tuning space just
// because of a bogus read error.
if (FAILED(hr)) {
// delete the corrupt TS
CComVariant var2;
var2.vt = VT_UNKNOWN;
var2.punkVal = NULL;
// can't do anything about a failure so ignore it
m_pTSBag->Write(1, &rgPROPBAG2[ipb2], &var2);
}
#endif
}
}
}
// free space allocated within rgPROPBAG2 by GetPropertyInfo
CoTaskMemFree(rgPROPBAG2[ipb2].pstrName);
}
delete [] rgPROPBAG2;
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
CComVariant v;
v.vt = VT_UI4;
hr = pb->Read(MAX_COUNT_NAME, &v, NULL);
if (SUCCEEDED(hr)) {
if (v.vt != VT_UI4) {
hr = ::VariantChangeType(&v, &v, 0, VT_UI4);
if (FAILED(hr)) {
return E_UNEXPECTED;
}
}
m_MaxCount = max(v.lVal, m_mapTuningSpaces.size());
if (m_MaxCount != v.lVal) {
//someone has added stuff to the registry by hand, by defn this is secure
// so just update max_count to be consistent
hr = put_MaxCount(m_MaxCount);
if (FAILED(hr)) {
return E_UNEXPECTED;
}
}
} else {
m_MaxCount = max(DEFAULT_MAX_COUNT, m_mapTuningSpaces.size());
}
#if 0
// we'd like to return some indicator that not all of the tuning spaces we're successfully
// read. but ATL's base CreateInstance method has a check that deletes the object if
// the return code != S_OK which S_FALSE triggers. this results in a successful return code
// with a NULL object pointer being returned which crashes clients(specifically the network
// provider).
if (FAILED(hrc)) {
return Error(IDS_S_INCOMPLETE_LOAD, __uuidof(ITuningSpace), S_FALSE);
}
#endif
return NOERROR;
} CATCHCOM();
}
void CSystemTuningSpaces::FinalRelease()
{
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
if (m_hMutex)
CloseHandle(m_hMutex);
}
STDMETHODIMP CSystemTuningSpaces::InterfaceSupportsErrorInfo(REFIID riid)
{
static const IID* arr[] =
{
&IID_ITuningSpaceContainer
};
for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++)
{
if (InlineIsEqualGUID(*arr[i],riid))
return S_OK;
}
return S_FALSE;
}
/////////////////////////////////////////////////////////////////////////////////////
HRESULT CSystemTuningSpaces::OpenRootKeyAndBag(REGSAM DesiredAccess) {
CString cs;
cs.LoadString(IDS_TSREGKEY);
// make sure our entry exists
LONG lRes = m_RootKey.Create(HKEY_LOCAL_MACHINE, cs, NULL, REG_OPTION_NON_VOLATILE, DesiredAccess);
if (lRes != ERROR_SUCCESS) {
return HRESULT_FROM_WIN32(lRes);
}
m_CurrentAccess = DesiredAccess;
// create a property bag for this portion of the registry
HRESULT hr = m_pFactory->Create
( m_RootKey, 0,
0,
m_CurrentAccess,
__uuidof(IPropertyBag2),
reinterpret_cast<void **>(&m_pTSBag)
);
if (FAILED(hr))
{
return Error(IDS_E_CANNOTCREATEPROPBAG, __uuidof(ITuningSpaceContainer), hr);
}
return NOERROR;
}
HRESULT CSystemTuningSpaces::ChangeAccess(REGSAM NewAccess) {
if (m_CurrentAccess == NewAccess) {
return NOERROR;
}
m_RootKey.Close();
m_pTSBag.Release();
HRESULT hr = OpenRootKeyAndBag(NewAccess);
if (FAILED(hr)) {
return Error(IDS_E_NOREGACCESS, __uuidof(ITuningSpaceContainer), hr);
}
return NOERROR;
}
CComBSTR CSystemTuningSpaces::GetUniqueName(ITuningSpace* pTS) {
// don't assert map size equality here. this function is used to create the name map and will
// always fail during finalconstrcut()
// _ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
CComBSTR un;
HRESULT hr = pTS->get_UniqueName(&un);
if (FAILED(hr)) {
THROWCOM(hr);
}
return un;
}
ULONG CSystemTuningSpaces::GetID(CComBSTR& un) {
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
TuningSpaceNames_t::iterator i = m_mapTuningSpaceNames.find(un);
if (i == m_mapTuningSpaceNames.end()) {
return 0;
}
return (*i).second;
}
HRESULT CSystemTuningSpaces::DeleteID(ULONG id) {
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
HRESULT hr = ChangeAccess(KEY_READ | KEY_WRITE);
if (FAILED(hr)) {
return hr;
}
OLECHAR idstr[66];
_ltow(id, idstr, 10);
VARIANT v;
v.vt = VT_EMPTY;
PQPropertyBag p(m_pTSBag);
if (!p) {
return Error(IDS_E_NOREGACCESS, __uuidof(IPropertyBag), E_UNEXPECTED);
}
USES_CONVERSION;
hr = p->Write(idstr, &v);
if (FAILED(hr)) {
return Error(IDS_E_NOREGACCESS, __uuidof(ITuningSpaceContainer), E_UNEXPECTED);
}
return NOERROR;
}
HRESULT CSystemTuningSpaces::Add(CComBSTR& UniqueName, long PreferredID, PQTuningSpace pTS, VARIANT *pvarIndex) {
try {
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
int newcount = m_mapTuningSpaces.size() + 1;
if (!PreferredID || m_mapTuningSpaces.find(PreferredID) == m_mapTuningSpaces.end()) {
// verify no unique name conflict
TuningSpaceNames_t::iterator in;
in = m_mapTuningSpaceNames.find(UniqueName);
if (in != m_mapTuningSpaceNames.end()) {
return Error(IDS_E_DUPLICATETS, __uuidof(ITuningSpace), HRESULT_FROM_WIN32(ERROR_DUP_NAME));
}
// hunt for first available unused id
// start with 1, id 0 is invalid for a tuning space
for (PreferredID = 1;
m_mapTuningSpaces.find(PreferredID) != m_mapTuningSpaces.end();
++PreferredID) {
}
} else {
// this is the case for complete replacement via idx.
// delete existing data for this id in preparation for overwriting it.
// they may also be changing the unique name at this point.
HRESULT hr = DeleteID(PreferredID);
if (FAILED(hr)){
return hr;
}
newcount--;
}
if (newcount > m_MaxCount) {
return Error(IDS_E_MAXCOUNTEXCEEDED, __uuidof(ITuningSpaceContainer), STG_E_MEDIUMFULL);
}
HRESULT hr = ChangeAccess(KEY_READ | KEY_WRITE);
if (FAILED(hr)) {
return hr;
}
OLECHAR idstr[66];
_ltow(PreferredID, idstr, 10);
PQPropertyBag p(m_pTSBag);
if (!p) {
return Error(IDS_E_NOREGACCESS, __uuidof(IPropertyBag), E_UNEXPECTED);
}
USES_CONVERSION;
VARIANT v;
v.vt = VT_UNKNOWN;
v.punkVal = pTS;
hr = p->Write(idstr, &v);
if (FAILED(hr)) {
return Error(IDS_E_NOREGACCESS, __uuidof(ITuningSpaceContainer), hr);
}
PQTuningSpace newTS;
hr = pTS->Clone(&newTS);
if (FAILED(hr)) {
return hr;
}
m_mapTuningSpaces[PreferredID] = newTS;
m_mapTuningSpaceNames[UniqueName] = PreferredID;
if (pvarIndex) {
VARTYPE savevt = pvarIndex->vt;
VariantClear(pvarIndex);
switch(savevt) {
case VT_BSTR:
pvarIndex->vt = VT_BSTR;
return newTS->get_UniqueName(&pvarIndex->bstrVal);
default:
pvarIndex->vt = VT_I4;
pvarIndex->ulVal = PreferredID;
return NOERROR;
}
}
return NOERROR;
} CATCHCOM();
}
HRESULT CSystemTuningSpaces::Find(TuningSpaceContainer_t::iterator &its, CComBSTR& UniqueName, TuningSpaceNames_t::iterator &itn) {
ATL_LOCK();
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
if (its == m_mapTuningSpaces.end()) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpace), E_FAIL);
}
_ASSERT(((*its).second.vt == VT_UNKNOWN) || ((*its).second.vt == VT_DISPATCH));
PQTuningSpace pTS((*its).second.punkVal);
if (!pTS) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpaceContainer), E_UNEXPECTED);
}
UniqueName = GetUniqueName(pTS);
if (!UniqueName.Length()) {
return Error(IDS_E_NOUNIQUENAME, __uuidof(ITuningSpace), E_UNEXPECTED);
}
itn = m_mapTuningSpaceNames.find(UniqueName);
_ASSERT(itn != m_mapTuningSpaceNames.end()); // cache inconsistency, in container but not in names
return NOERROR;
}
HRESULT CSystemTuningSpaces::Find(VARIANT varIndex, long& ID, TuningSpaceContainer_t::iterator &its, CComBSTR& UniqueName, TuningSpaceNames_t::iterator &itn) {
ATL_LOCK();
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
HRESULT hr = S_OK;
VARIANT varTmp;
its = m_mapTuningSpaces.end();
itn = m_mapTuningSpaceNames.end();
PQTuningSpace pTuningSpace;
VariantInit(&varTmp);
// Try finding a tuning space by local system ID
hr = VariantChangeType(&varTmp, &varIndex, 0, VT_I4);
if (!FAILED(hr))
{
_ASSERT(varTmp.vt == VT_I4);
ID = V_I4(&varTmp);
its = m_mapTuningSpaces.find(ID);
} else {
// Try finding a tuning space by name
hr = VariantChangeType(&varTmp, &varIndex, 0, VT_BSTR);
if (FAILED(hr))
{
// we can only get here if both VariantChangeType calls failed
return Error(IDS_E_TYPEMISMATCH, __uuidof(ITuningSpaceContainer), DISP_E_TYPEMISMATCH);
}
_ASSERT(varTmp.vt == VT_BSTR);
UniqueName = V_BSTR(&varTmp);
itn = m_mapTuningSpaceNames.find(UniqueName);
if (itn != m_mapTuningSpaceNames.end()) {
ID = (*itn).second;
its = m_mapTuningSpaces.find(ID);
}
}
if (its == m_mapTuningSpaces.end()) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpaceContainer), E_FAIL);
}
_ASSERT(((*its).second.vt == VT_UNKNOWN) || ((*its).second.vt == VT_DISPATCH));
return NOERROR;
}
//////////////////////////////////////////////////////////////////////////////////////
// ITuningSpaceContainer
//////////////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CSystemTuningSpaces::get_Item(/*[in]*/ VARIANT varIndex, /*[out, retval]*/ ITuningSpace **ppTuningSpace) {
if (!ppTuningSpace) {
return E_POINTER;
}
try {
ATL_LOCK();
TuningSpaceContainer_t::iterator its = m_mapTuningSpaces.end();
TuningSpaceNames_t::iterator itn = m_mapTuningSpaceNames.end();
long id;
CComBSTR un;
HRESULT hr = Find(varIndex, id, its, un, itn);
if (FAILED(hr) || its == m_mapTuningSpaces.end()) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpaceContainer), E_INVALIDARG);
}
_ASSERT(((*its).second.vt == VT_UNKNOWN) || ((*its).second.vt == VT_DISPATCH));
PQTuningSpace pTS((*its).second.punkVal);
if (!pTS) {
return Error(IDS_E_NOINTERFACE, __uuidof(ITuningSpace), E_NOINTERFACE);
}
PQTuningSpace pTSNew;
hr = pTS->Clone(&pTSNew);
if (FAILED(hr)) {
return hr;
}
*ppTuningSpace = pTSNew.Detach();
return NOERROR;
} catch(...) {
return E_UNEXPECTED;
}
}
STDMETHODIMP CSystemTuningSpaces::put_Item(VARIANT varIndex, ITuningSpace *pTS)
{
if (!pTS) {
return E_POINTER;
}
try {
// wait for exclusive access
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
HRESULT hr = ChangeAccess(KEY_READ | KEY_WRITE);
if (FAILED(hr)) {
return hr;
}
long id;
CComBSTR idxun;
TuningSpaceContainer_t::iterator its;
TuningSpaceNames_t::iterator itn;
hr = Find(varIndex, id, its, idxun, itn);
if (FAILED(hr) || its == m_mapTuningSpaces.end()) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpaceContainer), E_INVALIDARG);
}
_ASSERT(((*its).second.vt == VT_UNKNOWN) || ((*its).second.vt == VT_DISPATCH));
CComBSTR un2(GetUniqueName(pTS));
if (!un2.Length()) {
// no uniquename prop set in ts
return Error(IDS_E_NOUNIQUENAME, __uuidof(ITuningSpace), E_UNEXPECTED);
}
if (itn != m_mapTuningSpaceNames.end() && idxun != un2) {
// unique name prop in ts doesn't match string specified in varindex
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpace), E_INVALIDARG);
}
return Add(un2, id, pTS, NULL);
} CATCHCOM();
}
STDMETHODIMP CSystemTuningSpaces::Add(ITuningSpace *pTuningSpace, VARIANT *pvarIndex)
{
try {
// wait for exclusive access
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
HRESULT hr = ChangeAccess(KEY_READ | KEY_WRITE);
if (FAILED(hr)) {
return Error(IDS_E_NOREGACCESS, __uuidof(ITuningSpaceContainer), hr);
}
if (!pTuningSpace) {
return E_POINTER;
}
VARIANT vartmp;
vartmp.vt = VT_I4;
vartmp.ulVal = 0;
if (pvarIndex && pvarIndex->vt != VT_I4) {
hr = VariantChangeType(&vartmp, pvarIndex, 0, VT_I4);
if (FAILED(hr)) {
vartmp.vt = VT_I4;
vartmp.ulVal = 0;
}
}
CComBSTR un(GetUniqueName(pTuningSpace));
if (!un.Length()) {
return Error(IDS_E_NOUNIQUENAME, __uuidof(ITuningSpace), E_FAIL);
}
return Add(un, vartmp.ulVal, pTuningSpace, pvarIndex);
} CATCHCOM();
}
STDMETHODIMP CSystemTuningSpaces::Remove(VARIANT varIndex)
{
try {
// wait for exclusive access
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
HRESULT hr = ChangeAccess(KEY_READ | KEY_WRITE);
if (FAILED(hr)) {
return hr;
}
TuningSpaceContainer_t::iterator its = m_mapTuningSpaces.end();
TuningSpaceNames_t::iterator itn = m_mapTuningSpaceNames.end();
long id;
CComBSTR un;
hr = Find(varIndex, id, its, un, itn);
if (FAILED(hr)) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpaceContainer), E_INVALIDARG);
}
if (itn == m_mapTuningSpaceNames.end()) {
ASSERT(its != m_mapTuningSpaces.end()); // otherwise find above should have returned failure
hr = Find(its, un, itn);
if (FAILED(hr) || itn == m_mapTuningSpaceNames.end()) {
// found its but not itn, must have inconsistent cache
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpaceContainer), E_UNEXPECTED);
}
}
m_mapTuningSpaces.erase(its);
m_mapTuningSpaceNames.erase(itn);
return DeleteID(id);
} CATCHCOM();
}
STDMETHODIMP CSystemTuningSpaces::TuningSpacesForCLSID(BSTR bstrSpace, ITuningSpaces **ppTuningSpaces)
{
try {
return _TuningSpacesForCLSID(GUID2(bstrSpace), ppTuningSpaces);
} catch (ComException &e) {
return e;
} catch (...) {
return E_UNEXPECTED;
}
}
STDMETHODIMP CSystemTuningSpaces::_TuningSpacesForCLSID(REFCLSID clsidSpace, ITuningSpaces **ppTuningSpaces)
{
if (!ppTuningSpaces) {
return E_POINTER;
}
try {
ATL_LOCK();
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
CTuningSpaces* pTSCollection = new CTuningSpaces;
for (TuningSpaceContainer_t::iterator i = m_mapTuningSpaces.begin(); i != m_mapTuningSpaces.end(); ++i) {
CComVariant v((*i).second);
if (v.vt != VT_UNKNOWN && v.vt != VT_DISPATCH) {
return E_UNEXPECTED; //corrupt in-memory collection
}
PQPersist pTS(v.punkVal);
if (!pTS) {
delete pTSCollection;
return E_UNEXPECTED; // corrupt in-memory collection;
}
GUID2 g;
HRESULT hr = pTS->GetClassID(&g);
if (FAILED(hr)) {
delete pTSCollection;
return E_UNEXPECTED;
}
if (g == clsidSpace) {
PQTuningSpace newts;
hr = PQTuningSpace(pTS)->Clone(&newts);
if (FAILED(hr)) {
delete pTSCollection;
return hr;
}
pTSCollection->m_mapTuningSpaces[(*i).first] = CComVariant(newts);
}
}
*ppTuningSpaces = pTSCollection;
(*ppTuningSpaces)->AddRef();
return NOERROR;
} catch(...) {
return E_UNEXPECTED;
}
}
STDMETHODIMP CSystemTuningSpaces::TuningSpacesForName(BSTR bstrName, ITuningSpaces **ppTuningSpaces)
{
if (!ppTuningSpaces) {
return E_POINTER;
}
try {
ATL_LOCK();
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
PQRegExp pRE;
HRESULT hr;
if (!m_cookieRegExp) {
// at the time this code was written the only regex library that was readily available
// was the one in the vbscript engine. therefore we create and access this through
// com. however, this is an apartment model object this we have to create it
// on a background apartment thread so we can always marshall over and access no matter
// what thread we're on.
// there is now a good c++ regex in the http://toolbox and at some point we should probably
// check it for thread safety and convert.
m_pRET = new CRegExThread();
if (!m_pRET) {
return E_OUTOFMEMORY;
}
if (!m_pRET->Create()) {
return E_UNEXPECTED;
}
hr = m_pRET->CallWorker(CRegExThread::RETHREAD_CREATEREGEX);
if (FAILED(hr)) {
return hr;
}
m_cookieRegExp = m_pRET->GetCookie();
if (!m_cookieRegExp) {
return E_UNEXPECTED;
}
}
if (!m_pGIT) {
hr = m_pGIT.CoCreateInstance(CLSID_StdGlobalInterfaceTable, 0, CLSCTX_INPROC_SERVER);
if (FAILED(hr)) {
return hr;
}
}
hr = m_pGIT->GetInterfaceFromGlobal(m_cookieRegExp, __uuidof(IRegExp), reinterpret_cast<LPVOID *>(&pRE));
if (FAILED(hr)) {
return hr;
}
hr = pRE->put_Pattern(bstrName);
if (FAILED(hr)) {
return hr;
}
CTuningSpaces* pTSCollection = new CTuningSpaces;
for (TuningSpaceContainer_t::iterator i = m_mapTuningSpaces.begin(); i != m_mapTuningSpaces.end(); ++i) {
if ((*i).second.vt != VT_UNKNOWN && (*i).second.vt != VT_DISPATCH) {
return E_UNEXPECTED; //corrupt in-memory collection
}
PQTuningSpace pTS((*i).second.punkVal);
CComBSTR name;
hr = pTS->get_FriendlyName(&name);
if (FAILED(hr)) {
return E_UNEXPECTED;
}
PQTuningSpace newTS;
VARIANT_BOOL bMatch = VARIANT_FALSE;
hr = pRE->Test(name, &bMatch);
if (FAILED(hr) || bMatch != VARIANT_TRUE) {
hr = pTS->get_UniqueName(&name);
if (FAILED(hr)) {
return E_UNEXPECTED;
}
hr = pRE->Test(name, &bMatch);
if (FAILED(hr) || bMatch != VARIANT_TRUE) {
continue;
}
}
hr = pTS->Clone(&newTS);
if (FAILED(hr)) {
return hr;
}
pTSCollection->m_mapTuningSpaces[(*i).first] = newTS;
}
*ppTuningSpaces = pTSCollection;
(*ppTuningSpaces)->AddRef();
return NOERROR;
} catch(...) {
return E_UNEXPECTED;
}
}
STDMETHODIMP CSystemTuningSpaces::get_MaxCount(LONG *plVal)
{
if (!plVal) {
return E_POINTER;
}
try {
ATL_LOCK();
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
*plVal = m_MaxCount;
return NOERROR;
} catch(...) {
return E_POINTER;
}
}
STDMETHODIMP CSystemTuningSpaces::put_MaxCount(LONG lVal)
{
try {
if (lVal < 0) {
return E_INVALIDARG;
}
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
HRESULT hr = ChangeAccess(KEY_READ | KEY_WRITE);
if (FAILED(hr)) {
return hr;
}
ULONG count = max(lVal, m_mapTuningSpaces.size());
CComVariant v;
v.vt = VT_UI4;
v.lVal = count;
PQPropertyBag pb(m_pTSBag);
if (!pb) {
return E_UNEXPECTED;
}
hr = pb->Write(MAX_COUNT_NAME, &v);
if (FAILED(hr)) {
return hr;
}
m_MaxCount = count;
if (m_MaxCount != lVal) {
return S_FALSE;
}
return NOERROR;
} CATCHCOM();
}
STDMETHODIMP CSystemTuningSpaces::FindID(ITuningSpace *pTS, long* pID)
{
try {
if (!pID || !pTS) {
return E_POINTER;
}
ATL_LOCK();
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
CComBSTR un(GetUniqueName(pTS));
if (!un.Length()) {
return Error(IDS_E_NOUNIQUENAME, __uuidof(ITuningSpace), E_UNEXPECTED);
}
*pID = GetID(un);
if (!(*pID)) {
return Error(IDS_E_NO_TS_MATCH, __uuidof(ITuningSpace), E_INVALIDARG);
}
return NOERROR;
} catch (...) {
return E_UNEXPECTED;
}
}
HRESULT CSystemTuningSpaces::RegisterTuningSpaces(HINSTANCE hMod) {
try {
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
CString cs;
cs.LoadString(IDS_RGSLIST_TYPE);
HRSRC hRes = ::FindResource(hMod, MAKEINTRESOURCE(IDR_CANONICAL_TUNINGSPACE_LIST), (LPCTSTR)cs);
if (!hRes) {
return HRESULT_FROM_WIN32(::GetLastError());
}
HANDLE hData = ::LoadResource(hMod, hRes);
if (!hData) {
return HRESULT_FROM_WIN32(::GetLastError());
}
DWORD *p = reinterpret_cast<DWORD *>(::LockResource(hData));
if (!p) {
return HRESULT_FROM_WIN32(::GetLastError());
}
cs.LoadString(IDS_TUNINGSPACE_FRAGMENT_TYPE);
for (DWORD idx = 1; idx <= p[0]; ++idx) {
hRes = ::FindResource(hMod, MAKEINTRESOURCE(p[idx]), (LPCTSTR)cs);
if (!hRes) {
return HRESULT_FROM_WIN32(::GetLastError());
}
LPCSTR psz = reinterpret_cast<LPCSTR>(::LoadResource(hMod, hRes));
if (!psz) {
return HRESULT_FROM_WIN32(::GetLastError());
}
USES_CONVERSION;
int cch;
CRegObject cro; // init %mapping% macros here if desired
PQPropertyBag rgsBag(new CRGSBag(A2CT(psz), cro, cch));
if (!rgsBag) {
return E_UNEXPECTED;
}
CString csName;
csName.LoadString(IDS_TSKEYNAMEVAL);
CComVariant tsval;
HRESULT hr = rgsBag->Read(T2COLE(csName), &tsval, NULL);
if (FAILED(hr)) {
return E_FAIL; // bad script, no unique name property
}
if (tsval.vt != VT_UNKNOWN) {
return DISP_E_TYPEMISMATCH;
}
PQTuningSpace pTS(tsval.punkVal);
if (!pTS) {
return DISP_E_TYPEMISMATCH;
}
CComVariant Varidx;
Varidx.vt = VT_UI4;
Varidx.ulVal = 0;
hr = Add(pTS, &Varidx);
// ignore existing ts w/ same unique name and move one
if (FAILED(hr) && hr != HRESULT_FROM_WIN32(ERROR_DUP_NAME)) {
return hr;
}
}
return NOERROR;
} CATCHCOM();
}
HRESULT CSystemTuningSpaces::UnregisterTuningSpaces() {
try {
CAutoMutex mutex(m_hMutex);
_ASSERT(m_mapTuningSpaces.size() == m_mapTuningSpaceNames.size());
// currently we delete all tuning spaces when we unreg
// its possible that it would be better to just delete the canonical ones
// that we created when we registered. on the other hand, that reg space
// would leak forever if tv support is really being uninstalled. and, since
// we're in the os we're unlikely to ever get unregistered anyway.
HRESULT hr = OpenRootKeyAndBag(KEY_READ | KEY_WRITE);
if (SUCCEEDED(hr)) {
DWORD rc = m_RootKey.RecurseDeleteKey(_T(""));
if (rc != ERROR_SUCCESS) {
return E_FAIL;
}
}
return NOERROR;
} CATCHCOM();
}
HRESULT UnregisterTuningSpaces() {
PQTuningSpaceContainer pst(CLSID_SystemTuningSpaces, NULL, CLSCTX_INPROC_SERVER);
if (!pst) {
return E_UNEXPECTED;
}
CSystemTuningSpaces *pc = static_cast<CSystemTuningSpaces *>(pst.p);
return pc->UnregisterTuningSpaces();
}
HRESULT RegisterTuningSpaces(HINSTANCE hMod) {
PQTuningSpaceContainer pst(CLSID_SystemTuningSpaces, NULL, CLSCTX_INPROC_SERVER);
if (!pst) {
return E_UNEXPECTED;
}
CSystemTuningSpaces *pc = static_cast<CSystemTuningSpaces *>(pst.p);
return pc->RegisterTuningSpaces(hMod);
}
};
// end of file - tuningspacecontainer.cpp
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