Leaked source code of windows server 2003
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/*++
Copyright (c) 1998 - 1999 Microsoft Corporation
Module Name:
stream.cpp
Abstract:
implementation of the CStream objects
these objects are used when a TSP has phone devices that have
been made into terminals
Author:
mquinton - 9/15/98
Notes:
optional-notes
Revision History:
--*/
#include "stdafx.h"
#include "priviids.h"
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream implementation
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::get_MediaType
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::get_MediaType(long * plMediaType)
{
LOG((TL_TRACE, "get_MediaType - enter"));
if ( TAPIIsBadWritePtr( plMediaType, sizeof( long ) ) )
{
LOG((TL_ERROR, "get_MediaType - bad pointer"));
return E_POINTER;
}
Lock();
*plMediaType = m_lMediaType;
Unlock();
LOG((TL_TRACE, "get_MediaType - exit - return SUCCESS"));
return S_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::get_Direction
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::get_Direction(TERMINAL_DIRECTION * pTD)
{
LOG((TL_TRACE, "get_Direction - enter"));
if ( TAPIIsBadWritePtr( pTD, sizeof( TERMINAL_DIRECTION ) ) )
{
LOG((TL_ERROR, "get_Direction - bad pointer"));
return E_POINTER;
}
Lock();
*pTD = m_Dir;
Unlock();
LOG((TL_TRACE, "get_Direction - exit - return S_OK"));
return S_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::get_Name
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::get_Name(BSTR * ppName)
{
LOG((TL_TRACE, "get_Name - enter"));
if ( TAPIIsBadWritePtr( ppName, sizeof( BSTR ) ) )
{
LOG((TL_ERROR, "get_Name - bad pointer"));
return E_POINTER;
}
Lock();
*ppName = SysAllocString( m_pName );
Unlock();
if ( ( NULL == *ppName ) && ( NULL != m_pName ) )
{
LOG((TL_TRACE, "get_Name - SysAllocString Failed" ));
return E_OUTOFMEMORY;
}
LOG((TL_TRACE, "get_Name - exit - return S_OK"));
return S_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::StartStream
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::StartStream(void)
{
HRESULT hr = E_NOTIMPL;
LOG((TL_TRACE, "StartStream - enter"));
LOG((TL_TRACE, "StartStream - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::PauseStream
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::PauseStream(void)
{
HRESULT hr = E_NOTIMPL;
LOG((TL_TRACE, "PauseStream - enter"));
LOG((TL_TRACE, "PauseStream - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::StopStream
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::StopStream(void)
{
HRESULT hr = E_NOTIMPL;
LOG((TL_TRACE, "StopStream - enter"));
LOG((TL_TRACE, "StopStream - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::SelectTerminal
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::SelectTerminal(ITTerminal * pTerminal)
{
HRESULT hr = S_OK;
ITTerminalPrivate * pTerminalPrivate;
long lMediaType;
TERMINAL_DIRECTION Dir;
LOG((TL_TRACE, "SelectTerminal - enter"));
if ( IsBadReadPtr( pTerminal, sizeof( ITTerminal ) ) )
{
LOG((TL_ERROR, "SelectTerminal - bad pTerminal"));
return E_INVALIDARG;
}
hr = pTerminal->QueryInterface(
IID_ITTerminalPrivate,
(void**)&pTerminalPrivate
);
if ( !SUCCEEDED(hr) )
{
LOG((TL_ERROR, "SelectTerminal - Terminal not valid on this address"));
return TAPI_E_INVALIDTERMINAL;
}
hr = pTerminal->get_MediaType( &lMediaType );
if ( SUCCEEDED(hr) )
{
hr = pTerminal->get_Direction( &Dir );
}
if ( !SUCCEEDED(hr) )
{
LOG((TL_ERROR, "SelectTerminal - ITTerminal method failed - %lx", hr));
pTerminalPrivate->Release();
return hr;
}
Lock();
if ( (lMediaType != m_lMediaType) ||
(Dir != m_Dir) )
{
LOG((TL_ERROR, "SelectTerminal - terminal wrong mediatype or dir"));
pTerminalPrivate->Release();
Unlock();
return TAPI_E_INVALIDTERMINAL;
}
AddTerminal( pTerminalPrivate );
Unlock();
pTerminalPrivate->Release();
LOG((TL_TRACE, "SelectTerminal - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::UnselectTerminal
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::UnselectTerminal(ITTerminal * pTerminal)
{
HRESULT hr = S_OK;
ITTerminalPrivate * pTerminalPrivate;
LOG((TL_TRACE, "UnselectTerminal - enter"));
if ( IsBadReadPtr( pTerminal, sizeof( ITTerminal ) ) )
{
LOG((TL_ERROR, "UnselectTerminal - bad pTerminal"));
return E_INVALIDARG;
}
hr = pTerminal->QueryInterface(
IID_ITTerminalPrivate,
(void**)&pTerminalPrivate
);
if ( !SUCCEEDED(hr) )
{
LOG((TL_TRACE, "UnselectTerminal - terminal not selected"));
return TAPI_E_INVALIDTERMINAL;
}
hr = RemoveTerminal( pTerminal );
pTerminalPrivate->Release();
if ( !SUCCEEDED(hr) )
{
LOG((TL_TRACE, "UnselectTerminal - terminal not selected"));
return TAPI_E_INVALIDTERMINAL;
}
LOG((TL_TRACE, "UnselectTerminal - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::EnumerateTerminals
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::EnumerateTerminals(IEnumTerminal ** ppEnumTerminal)
{
HRESULT hr = S_OK;
LOG((TL_TRACE, "EnumerateTerminals - enter"));
if (TAPIIsBadWritePtr(ppEnumTerminal, sizeof( IEnumTerminal * ) ) )
{
LOG((TL_ERROR, "EnumerateTerminals - bad pointer"));
return E_POINTER;
}
//
// create the enumerator
//
CComObject< CTapiEnum< IEnumTerminal, ITTerminal, &IID_IEnumTerminal > > * p;
hr = CComObject< CTapiEnum< IEnumTerminal, ITTerminal, &IID_IEnumTerminal > >
::CreateInstance( &p );
if (S_OK != hr)
{
LOG((TL_ERROR, "EnumerateTerminals - could not create enum" ));
return hr;
}
Lock();
//
// initialize it with our terminal array
//
p->Initialize( m_TerminalArray );
Unlock();
//
// return it
//
*ppEnumTerminal = p;
LOG((TL_TRACE, "EnumerateTerminals - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::get_Terminals
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
STDMETHODIMP
CStream::get_Terminals(VARIANT * pTerminals)
{
HRESULT hr = S_OK;
IDispatch * pDisp;
LOG((TL_TRACE, "get_Terminals - enter"));
if (TAPIIsBadWritePtr( pTerminals, sizeof(VARIANT) ) )
{
LOG((TL_ERROR, "get_Terminals - bad pointer"));
return E_POINTER;
}
CComObject< CTapiCollection< ITTerminal > > * p;
CComObject< CTapiCollection< ITTerminal > >::CreateInstance( &p );
if (NULL == p)
{
LOG((TL_ERROR, "get_Terminals - could not create collection" ));
return E_OUTOFMEMORY;
}
Lock();
// initialize
hr = p->Initialize( m_TerminalArray );
Unlock();
if (S_OK != hr)
{
LOG((TL_ERROR, "get_Terminals - could not initialize collection" ));
delete p;
return hr;
}
//
// get the IDispatch interface
//
hr = p->_InternalQueryInterface(
IID_IDispatch,
(void **) &pDisp
);
if (S_OK != hr)
{
LOG((TL_ERROR, "get_Terminals - could not get IDispatch interface" ));
delete p;
return hr;
}
//
// put it in the variant
//
VariantInit(pTerminals);
pTerminals->vt = VT_DISPATCH;
pTerminals->pdispVal = pDisp;
LOG((TL_TRACE, "get_Terminals - exit - return %lx", hr));
return hr;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::InternalCreateStream
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
HRESULT
CStream::InternalCreateStream(
long lMediaType,
TERMINAL_DIRECTION td,
ITPhoneMSPCallPrivate * pCall,
ITStream ** ppStream
)
{
CComObject< CStream > * p;
HRESULT hr = S_OK;
PWSTR pPhoneDevice;
PWSTR pStream;
PWSTR pAudio;
hr = CComObject< CStream >::CreateInstance( &p );
if ( !SUCCEEDED(hr) )
{
STATICLOG((TL_ERROR, "InternalCreateStream failed - %lx", hr));
return hr;
}
p->m_Dir = td;
p->m_lMediaType = lMediaType;
p->m_pCall = pCall;
p->AddRef();
pPhoneDevice = MyLoadString( IDS_PHONEDEVICE );
pStream = MyLoadString( IDS_STREAM );
pAudio = MyLoadString( (td == TD_CAPTURE) ? IDS_AUDIOOUT : IDS_AUDIOIN );
if ( ( NULL == pPhoneDevice ) ||
( NULL == pStream ) ||
( NULL == pAudio ) )
{
STATICLOG((TL_ERROR, "Couldn't load string in InternalCreateStream"));
p->Release();
return E_OUTOFMEMORY;
}
p->m_pName = (BSTR) ClientAlloc( ( lstrlenW( pPhoneDevice ) + lstrlenW( pStream ) +
lstrlenW( pAudio ) + 64 ) * sizeof (WCHAR) );
if ( NULL == p->m_pName )
{
STATICLOG((TL_ERROR, "Alloc failed in InternalCreateStream"));
p->Release();
ClientFree( pPhoneDevice );
ClientFree( pStream );
ClientFree( pAudio );
return E_OUTOFMEMORY;
}
wsprintfW(
p->m_pName,
L"%s %s %s",
pPhoneDevice,
pStream,
pAudio
);
ClientFree( pPhoneDevice );
ClientFree( pStream );
ClientFree( pAudio );
*ppStream = p;
return S_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
void
CStream::FinalRelease()
{
if ( NULL != m_pName )
{
ClientFree( m_pName );
}
m_TerminalArray.Shutdown();
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::AddTerminal
//
// saves terminal as selected
//
// called in lock
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
void
CStream::AddTerminal( ITTerminalPrivate * pTerminal )
{
ITTerminal * pLocalTerminal;
HRESULT hr;
hr = pTerminal->QueryInterface(
IID_ITTerminal,
(void**)&pLocalTerminal
);
m_TerminalArray.Add( pLocalTerminal );
pLocalTerminal->Release();
m_pCall->SelectTerminal( pTerminal );
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
//
// CStream::RemoveTerminal
//
// removes terminal from being selected
//
// called in lock
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
HRESULT
CStream::RemoveTerminal( ITTerminal * pTerminal )
{
BOOL bRemoved;
bRemoved = m_TerminalArray.Remove( pTerminal );
if (bRemoved)
{
ITTerminalPrivate * pTerminalPrivate;
HRESULT hr;
hr = pTerminal->QueryInterface(
IID_ITTerminalPrivate,
(void**)&pTerminalPrivate
);
m_pCall->UnselectTerminal( pTerminalPrivate );
pTerminalPrivate->Release();
return S_OK;
}
return TAPI_E_INVALIDTERMINAL;
}