Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 2000.
//
// File: D E V I C E I N F O . C P P
//
// Contents: Registrar representation of a device
//
// Notes:
//
// Author: mbend 12 Sep 2000
//
//----------------------------------------------------------------------------
#include "pch.h"
#pragma hdrstop
#include "uhbase.h"
#include "DeviceInfo.h"
CDeviceInfo::CDeviceInfo()
{
}
CDeviceInfo::~CDeviceInfo()
{
Clear();
}
HRESULT CDeviceInfo::HrGetService(
const PhysicalDeviceIdentifier & pdi,
const wchar_t * szUDN,
const wchar_t * szServiceId,
const wchar_t * szContainerId,
IUPnPDeviceControlPtr & pDeviceControl,
CServiceInfo ** ppServiceInfo,
BOOL bRunning)
{
CHECK_POINTER(szUDN);
CHECK_POINTER(szServiceId);
CHECK_POINTER(ppServiceInfo);
CHECK_POINTER(pDeviceControl.GetRawPointer());
TraceTag(ttidRegistrar, "CDeviceInfo::HrGetService(UDN=%S, ServiceId=%S)", szUDN, szServiceId);
HRESULT hr = S_OK;
// Look it up in the service table first
CUString strSid;
hr = strSid.HrAssign(szServiceId);
if(SUCCEEDED(hr))
{
*ppServiceInfo = m_serviceTable.Lookup(strSid);
if(!*ppServiceInfo)
{
// It doesn't exist so create it
CServiceInfo serviceInfo;
hr = serviceInfo.HrInitialize(pdi, szUDN, szServiceId, szContainerId, pDeviceControl, bRunning);
if(SUCCEEDED(hr))
{
// Put it into the table - !!! This wipes out strSid
hr = m_serviceTable.HrInsertTransfer(strSid, serviceInfo);
if(SUCCEEDED(hr))
{
// Reinit strSid
hr = strSid.HrAssign(szServiceId);
if(SUCCEEDED(hr))
{
*ppServiceInfo = m_serviceTable.Lookup(strSid);
}
}
}
}
}
if(SUCCEEDED(hr) && !*ppServiceInfo)
{
hr = E_INVALIDARG;
TraceTag(ttidRegistrar, "CDeviceInfo::HrGetService- could not find ServiceId='%S'",
static_cast<const wchar_t *>(strSid));
}
TraceHr(ttidRegistrar, FAL, hr, FALSE, "CDeviceInfo::HrGetService");
return hr;
}
void CDeviceInfo::Transfer(CDeviceInfo & ref)
{
m_serviceTable.Swap(ref.m_serviceTable);
}
void CDeviceInfo::Clear()
{
m_serviceTable.Clear();
}