166 lines
4.4 KiB
C++
166 lines
4.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|
|
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
|
|
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
|
|
// PARTICULAR PURPOSE.
|
|
//
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Public Headers
|
|
#include <windows.h>
|
|
#include <time.h>
|
|
|
|
// Sample Headers
|
|
#include "CSimpleThermostatService.h"
|
|
|
|
#define RAND100() (LONG)( (double)100 * ( (double)rand() / (double)RAND_MAX ) )
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::CSimpleThermostatService (Constructor)
|
|
//------------------------------------------------------------------------------
|
|
CSimpleThermostatService::CSimpleThermostatService() :
|
|
m_cRef(1),
|
|
m_lDesiredTemp(0)
|
|
{
|
|
//
|
|
// Prep the random number generater
|
|
//
|
|
srand( (unsigned)time( NULL ) );
|
|
rand();
|
|
|
|
//
|
|
// Since this is a virtual thermostat, a random number is generated
|
|
// for the current temperature.
|
|
//
|
|
m_lCurrentTemp = RAND100();
|
|
}
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::~CSimpleThermostatService (Destructor)
|
|
//------------------------------------------------------------------------------
|
|
CSimpleThermostatService::~CSimpleThermostatService()
|
|
{
|
|
}
|
|
|
|
|
|
//
|
|
// ISimpleThermostat_WSD
|
|
//
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::GetCurrentTemp
|
|
// Gets the current temperature
|
|
//------------------------------------------------------------------------------
|
|
HRESULT CSimpleThermostatService::GetCurrentTemp(
|
|
LONG* plTempOut
|
|
)
|
|
{
|
|
if( NULL == plTempOut )
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
*plTempOut = m_lCurrentTemp;
|
|
|
|
return S_OK;
|
|
}// CSimpleThermostatService::GetCurrentTemp
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::GetDesiredTemp
|
|
// Gets the desired temperature set by the user
|
|
//------------------------------------------------------------------------------
|
|
HRESULT CSimpleThermostatService::GetDesiredTemp(
|
|
LONG* plTempOut
|
|
)
|
|
{
|
|
if( NULL == plTempOut )
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
*plTempOut = m_lDesiredTemp;
|
|
|
|
return S_OK;
|
|
}// CSimpleThermostatService::GetDesiredTemp
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::SetDesiredTemp
|
|
// Sets the desired temperature
|
|
//------------------------------------------------------------------------------
|
|
HRESULT CSimpleThermostatService::SetDesiredTemp(
|
|
LONG lTemp
|
|
)
|
|
{
|
|
m_lDesiredTemp = lTemp;
|
|
|
|
return S_OK;
|
|
}// CSimpleThermostatService::SetDesiredTemp
|
|
|
|
|
|
//
|
|
// IUnknown
|
|
//
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::QueryInterface
|
|
//------------------------------------------------------------------------------
|
|
HRESULT CSimpleThermostatService::QueryInterface(
|
|
REFIID riid,
|
|
void** ppvObject
|
|
)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if( NULL == ppvObject )
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
*ppvObject = NULL;
|
|
|
|
if( __uuidof(ISimpleThermostat_WSD) == riid )
|
|
{
|
|
*ppvObject = static_cast<ISimpleThermostat_WSD*>(this);
|
|
AddRef();
|
|
}
|
|
else if( __uuidof(IUnknown) == riid )
|
|
{
|
|
*ppvObject = static_cast<IUnknown*>(this);
|
|
AddRef();
|
|
}
|
|
else
|
|
{
|
|
hr = E_NOINTERFACE;
|
|
}
|
|
|
|
return hr;
|
|
}// CSimpleThermostatService::QueryInterface
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::AddRef
|
|
//------------------------------------------------------------------------------
|
|
ULONG CSimpleThermostatService::AddRef()
|
|
{
|
|
return InterlockedIncrement( &m_cRef );
|
|
}// CSimpleThermostatService::AddRef
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
// CSimpleThermostatService::Release
|
|
//------------------------------------------------------------------------------
|
|
ULONG CSimpleThermostatService::Release()
|
|
{
|
|
LONG lRef = InterlockedDecrement( &m_cRef );
|
|
|
|
if( 0 == lRef )
|
|
{
|
|
delete this;
|
|
}
|
|
return lRef;
|
|
}// CSimpleThermostatService::Release
|