BOOL
CNdasDeviceRegistrar::Unregister(const NDAS_DEVICE_ID& DeviceId)
{
InstanceAutoLock autolock(this);
XTLTRACE2(NDASSVC_NDASDEVICEREGISTRAR, TRACE_LEVEL_INFORMATION,
"Unregister device %s\n", CNdasDeviceId(DeviceId).ToStringA());
DeviceIdMap::iterator itrId = m_deviceIdMap.find(DeviceId);
if (m_deviceIdMap.end() == itrId)
{
::SetLastError(NDASSVC_ERROR_DEVICE_ENTRY_NOT_FOUND);
}
CNdasDevicePtr pDevice = itrId->second;
if (pDevice->GetStatus() != NDAS_DEVICE_STATUS_DISABLED)
{
::SetLastError(NDASSVC_ERROR_CANNOT_UNREGISTER_ENABLED_DEVICE);
return FALSE;
}
DWORD SlotNo = pDevice->GetSlotNo();
XTLASSERT(0 != SlotNo);
DeviceSlotMap::iterator itrSlot = m_deviceSlotMap.find(SlotNo);
m_deviceIdMap.erase(itrId);
m_deviceSlotMap.erase(itrSlot);
m_slotbit[SlotNo] = false;
XTL::CStaticStringBuffer<30> containerName(_T("Devices\\%04d"), SlotNo);
BOOL fSuccess = _NdasSystemCfg.DeleteContainer(containerName, TRUE);
if (!fSuccess)
{
XTLTRACE2(NDASSVC_NDASDEVICEREGISTRAR, TRACE_LEVEL_WARNING,
"Deleting registration entry from the registry failed at %ls, error=0x%X\n",
containerName, GetLastError());
}
(void) m_service.GetEventPublisher().DeviceEntryChanged();
return TRUE;
}
CNdasDeviceRegistrar::CNdasDeviceRegistrar() :
m_fBootstrapping(FALSE),
m_slotbit(MAX_SLOT_NUMBER + 1)
{
XTLTRACE2(NDASSVC_NDASDEVICEREGISTRAR, TRACE_LEVEL_INFORMATION,
"CNdasDeviceRegistrar::ctor()\n");
// Slot 0 is always occupied and reserved!
m_slotbit[0] = true;
}
HRESULT
pGetVolumeMountPointForPathW(
__in LPCWSTR Path,
__out LPWSTR* MountPoint)
{
if (NULL == MountPoint)
{
return E_POINTER;
}
*MountPoint = NULL;
// TODO: It is possible to be the path is more than MAX_PATH
// in case of supporting unicode file names up to 65534
DWORD mountPointLength = MAX_PATH;
XTL::AutoProcessHeapPtr<TCHAR> mountPoint =
static_cast<TCHAR*>(
::HeapAlloc(
::GetProcessHeap(),
HEAP_ZERO_MEMORY,
mountPointLength * sizeof(WCHAR)));
if (mountPoint.IsInvalid())
{
return E_OUTOFMEMORY;
}
if (!GetVolumePathName(Path, mountPoint, mountPointLength))
{
HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"GetVolumePathName(%ls) failed, hr=0x%X\n",
Path, hr);
return hr;
}
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_INFORMATION,
"Path(%ls) is mounted from %s.\n", Path, mountPoint);
*MountPoint = mountPoint.Detach();
return S_OK;
}
CNdasUnitDevice*
CNdasUnitDeviceCreator::_CreateUnknownUnitDiskDevice(NDAS_UNITDEVICE_ERROR Error)
{
CNdasUnitDevice* pUnitDevice =
new CNdasNullUnitDiskDevice(m_pDevice, m_dwUnitNo, m_udinfo, Error);
if (NULL == pUnitDevice)
{
XTLTRACE2(TLError, TCUnitDevice, "OUTOFMEM for CNdasNullUnitDiskDevice\n");
}
return pUnitDevice;
}
LRESULT
CNdasServiceDeviceEventHandler::OnDeviceHandleQueryRemove(
PDEV_BROADCAST_HANDLE pdbch)
{
XTLTRACE2(NDASSVC_PNP, TRACE_LEVEL_INFORMATION,
"OnDeviceHandleQueryRemove: Device Handle %p, Notify Handle %p\n",
pdbch->dbch_handle,
pdbch->dbch_hdevnotify);
return TRUE;
}
CNdasUnitDevice*
CNdasUnitDeviceCreator::_CreateUnknownUnitDevice()
{
CNdasUnitDevice* pUnitDevice =
new CNdasNullUnitDevice(m_pDevice, m_dwUnitNo);
if (NULL == pUnitDevice)
{
XTLTRACE2(TLError, TCUnitDevice, "OUTOFMEM for CNdasNullUnitDevice\n");
}
return pUnitDevice;
}
LRESULT
CNdasServiceDeviceEventHandler::
OnDeviceHandleQueryRemove(
PDEV_BROADCAST_HANDLE pdbch)
{
XTLTRACE2(TCPnp, TLInfo,
"OnDeviceHandleQueryRemove: Device Handle %p, Notify Handle %p\n",
pdbch->dbch_handle,
pdbch->dbch_hdevnotify);
return TRUE;
}
NDASVOL_LINKAGE
HRESULT
NDASVOL_CALL
NdasGetNdasLocationForVolume(
IN HANDLE hVolume,
OUT PNDAS_LOCATION NdasLocation)
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_INFORMATION,
"NdasGetNdasScsiSlotNumber(%p)\n", hVolume);
if (NULL == NdasLocation)
{
return E_POINTER;
}
*NdasLocation = 0;
NDAS_LOCATION location = 0;
HRESULT hr = NdasEnumNdasLocationsForVolume(
hVolume,
SimpleNdasLocationEnum,
&location);
if (FAILED(hr))
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"NdasEnumNdasLocationsForVolume failed, hr=0x%X\n", hr);
return hr;
}
else if (0 == location) // means not found!
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"Slot No is zero.\n");
return S_FALSE;
}
*NdasLocation = location;
return S_OK;
}
void
CNdasServiceDeviceEventHandler::OnDeviceHandleRemovePending(
PDEV_BROADCAST_HANDLE pdbch)
{
//
// RemoveComplete will handle the completion of the removal
//
XTLTRACE2(NDASSVC_PNP, TRACE_LEVEL_INFORMATION,
"OnDeviceHandleRemovePending: Device Handle %p, Notify Handle %p\n",
pdbch->dbch_handle,
pdbch->dbch_hdevnotify);
}
DWORD
CNdasIXBcast::ThreadStart(HANDLE hStopEvent)
{
if (0 == m_NDFSVersion.wMajor && 0 == m_NDFSVersion.wMinor)
{
return 1;
}
HANDLE waitHandles[] = {
hStopEvent,
m_sockAddrChangeNotifier.GetChangeEvent()};
const DWORD nWaitHandles = RTL_NUMBER_OF(waitHandles);
// CTask::Initialized called?
XTLASSERT(NULL != waitHandles[0]);
// m_sockAddrChangeNotifier is initialized?
XTLASSERT(NULL != waitHandles[1]);
//
// Initial bind
//
ResetBind(hStopEvent);
//
// initial LPX socket address list is attained
//
DWORD dwTimeout = 1000; // broadcast interval
while (TRUE)
{
DWORD waitResult = ::WaitForMultipleObjects(
nWaitHandles, waitHandles, FALSE, dwTimeout);
if (WAIT_OBJECT_0 == waitResult)
{
return 0;
}
else if (WAIT_OBJECT_0 + 1 == waitResult)
{
// reset bind
ResetBind(hStopEvent);
}
else if (WAIT_TIMEOUT == waitResult)
{
BroadcastStatus();
}
else
{
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_ERROR,
"WaitForMultipleObject failed, waitResult=%d.\n", waitResult);
XTLASSERT(FALSE);
}
}
}
CNdasUnitDevice*
CNdasUnitDeviceCreator::_CreateUnknownUnitDiskDevice(NDAS_UNITDEVICE_ERROR Error)
{
CNdasUnitDevice* pUnitDevice =
new CNdasNullUnitDiskDevice(m_pDevice, m_dwUnitNo, m_udinfo, Error);
if (NULL == pUnitDevice)
{
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_ERROR,
"new CNdasNullUnitDiskDevice failed\n");
}
return pUnitDevice;
}
DWORD
CNdasDeviceHeartbeatListener::ThreadStart(HANDLE hStopEvent)
{
CCoInitialize coinit(COINIT_MULTITHREADED);
DWORD ret;
XTLTRACE2(NDASSVC_HEARTBEAT, TRACE_LEVEL_INFORMATION,
"Starting NDAS Heartbeat Listener.\n");
CLpxDatagramServer dgramServer;
BOOL success = dgramServer.Initialize();
if (!success)
{
XTLTRACE2(NDASSVC_HEARTBEAT, TRACE_LEVEL_ERROR,
"CLpxDatagramServer init failed, error=0x%X\n",
GetLastError());
return ret = 254;
}
success = dgramServer.Receive(
this,
m_ListenPort,
sizeof(HEARTBEAT_RAW_DATA),
hStopEvent);
if (!success)
{
XTLTRACE2(NDASSVC_HEARTBEAT, TRACE_LEVEL_ERROR,
"Listening Heartbeat at port %d failed, error=0x%X\n",
m_ListenPort, GetLastError());
return ret = 255;
}
XTLTRACE2(NDASSVC_HEARTBEAT, TRACE_LEVEL_INFORMATION,
"NDAS Heartbeat Stopped.\n");
return ret = 0;
}
//
// Returns the symbolic link name of the disk.
//
// Caller should free the non-null returned pointer
// with HeapFree(GetProcessHeap(),...)
//
LPTSTR
pGetChildDevInstIdsForNdasScsiLocation(
const NDAS_SCSI_LOCATION* NdasScsiLocation)
{
DEVINST NdasScsiDevInst;
if (!pFindNdasScsiDevInst(&NdasScsiDevInst, NdasScsiLocation->SlotNo))
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"FindNdasScsiDevInst failed, error=0x%X\n", GetLastError());
return NULL;
}
TCHAR NdasScsiInstanceId[MAX_DEVICE_ID_LEN];
CONFIGRET ret = ::CM_Get_Device_ID(
NdasScsiDevInst,
NdasScsiInstanceId,
RTL_NUMBER_OF(NdasScsiInstanceId),
0);
if (CR_SUCCESS != ret)
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"CM_Get_Device_ID failed, cret=0x%X\n", ret);
return NULL;
}
XTL::AutoProcessHeapPtr<TCHAR> ChildDevInstIdList;
ret = pCMGetDeviceIDList(
&ChildDevInstIdList,
NdasScsiInstanceId,
CM_GETIDLIST_FILTER_BUSRELATIONS);
if (CR_SUCCESS != ret)
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"pCMGetDeviceIDList failed, cret=0x%X\n", ret);
::SetLastError(ConfigRetToWin32Error(ret));
return NULL;
}
return ChildDevInstIdList.Detach();
}
STDMETHODIMP
CNdasDiskUnit::IsBitmapClean()
{
CAutoInstanceLock autolock(this);
CNdasDeviceComm devComm(m_pParentNdasDevice, m_unitDeviceId.UnitNo);
HRESULT hr = devComm.Connect(FALSE);
if (FAILED(hr))
{
return hr;
}
NDAS_UNITDEVICE_HARDWARE_INFO udinfo = {0};
udinfo.Size = sizeof(NDAS_UNITDEVICE_HARDWARE_INFO);
hr = devComm.GetNdasUnitInfo(&udinfo);
if (FAILED(hr))
{
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_ERROR,
"GetUnitDeviceInformation of %s failed, error=0x%X\n",
CNdasUnitDeviceId(m_unitDeviceId).ToStringA(), hr);
return hr;
}
BYTE BitmapData[128 * 512] = {0};
// 1MB from NDAS_BLOCK_LOCATION_BITMAP
for (INT i = 0; i < 16; i++)
{
hr = devComm.ReadDiskBlock(
BitmapData,
NDAS_BLOCK_LOCATION_BITMAP + (i * 128),
128);
if (FAILED(hr))
{
return hr;
}
PULONG pBitmapData = (PULONG)BitmapData;
for (INT j = 0; j < 128 * 512 / 4; ++j)
{
if (*pBitmapData)
{
return E_FAIL;
}
pBitmapData++;
}
}
return S_OK;
}
STDMETHODIMP
CNdasDiskUnit::FillBlockAcl(__in PVOID BlockAcl)
{
PNDAS_BLOCK_ACL pNdasBlockAcl = (NDAS_BLOCK_ACL *)BlockAcl;
PNDAS_BLOCK_ACE pNdasBlockAce = NULL;
PBLOCK_ACCESS_CONTROL_LIST_ELEMENT pBACLE = NULL;
if (!m_pBACL)
{
return S_FALSE;
}
if (!BlockAcl)
{
return S_FALSE;
}
UINT nBACLESkipped = 0;
for (UINT i = 0; i < m_pBACL->ElementCount; i++)
{
ATLASSERT(FALSE);
pBACLE = &m_pBACL->Elements[i];
if (!(pBACLE->AccessMask & BACL_ACCESS_MASK_PC_SYSTEM))
{
nBACLESkipped++;
continue;
}
pNdasBlockAce = &pNdasBlockAcl->BlockACEs[i - nBACLESkipped];
pNdasBlockAce->AccessMode |=
(pBACLE->AccessMask & BACL_ACCESS_MASK_WRITE) ? NBACE_ACCESS_WRITE : 0;
pNdasBlockAce->AccessMode |=
(pBACLE->AccessMask & BACL_ACCESS_MASK_READ) ? NBACE_ACCESS_READ : 0;
pNdasBlockAce->StartingOffset = pBACLE->ui64StartSector * 512;
pNdasBlockAce->Length = pBACLE->ui64SectorCount * 512;
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_INFORMATION,
"FillBACL() pNdasBlockAce : %x %I64d ~ %I64d\n",
pNdasBlockAce->AccessMode,
pNdasBlockAce->StartingOffset,
pNdasBlockAce->Length);
}
DWORD blockAclLength;
COMVERIFY(get_BlockAclSize(nBACLESkipped, &blockAclLength));
pNdasBlockAcl->Length = blockAclLength;
pNdasBlockAcl->BlockACECnt = m_pBACL->ElementCount - nBACLESkipped;
return S_OK;
}
HRESULT
CNdasDeviceComm::Disconnect()
{
BOOL success = ::NdasCommDisconnect(m_hNdas);
if (!success)
{
HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
XTLTRACE2(NDASSVC_NDASCOMM, TRACE_LEVEL_ERROR,
"NdasCommDisconnect failed, hr=0x%X\n", hr);
return hr;
}
return S_OK;
}
HRESULT
CNdasServiceDeviceEventHandler::RegisterDeviceInterfaceNotification(
__in LPCGUID InterfaceGuid,
__in LPCSTR TypeName)
{
HDEVNOTIFY devNotifyHandle;
HRESULT hr = pRegisterDeviceInterfaceNotification(
m_hRecipient,
m_dwReceptionFlags,
InterfaceGuid,
&devNotifyHandle);
if (FAILED(hr))
{
XTLTRACE2(NDASSVC_PNP, TRACE_LEVEL_ERROR,
"RegisterDeviceInterfaceNotification failed, type=%hs, hr=0x%X\n",
TypeName, hr);
return hr;
}
try
{
m_DeviceInterfaceNotifyHandles.push_back(devNotifyHandle);
}
catch (...)
{
XTLTRACE2(NDASSVC_PNP, TRACE_LEVEL_ERROR,
"RegisterDeviceInterfaceNotification failed, "
"C++ exception, type=%hs\n",
TypeName);
XTLVERIFY(UnregisterDeviceNotification(devNotifyHandle));
return E_FAIL;
}
return S_OK;
}
DWORD
CNdasService::Impl::OnServiceShutdown()
{
XTLTRACE2(NDASSVC_INIT, TRACE_LEVEL_INFORMATION,
"System is shutting down...\n");
m_cLogDeviceManager.OnShutdown();
m_cDeviceEventHandler.OnShutdown();
XTLVERIFY( ::LfsFiltCtlShutdown() );
return NO_ERROR;
}
VOID
CNdasIXServer::OnIXPrimaryUpdate(
CLpxDatagramSocket& sock,
CONST SOCKADDR_LPX* pRemoteAddr,
CONST LSINFOX_PRIMARY_UPDATE* pData)
{
NDAS_UNITDEVICE_ID unitDeviceId = {
{
pData->NetDiskNode[0], pData->NetDiskNode[1],
pData->NetDiskNode[2], pData->NetDiskNode[3],
pData->NetDiskNode[4], pData->NetDiskNode[5]
},
pData->UnitDiskNo
};
CNdasUnitDevicePtr pUnitDevice = pGetNdasUnitDevice(unitDeviceId);
if (0 == pUnitDevice.get()) {
//
// Discard non-discovered unit device
//
return;
}
NDAS_UNITDEVICE_PRIMARY_HOST_INFO hostinfo;
::CopyMemory(
hostinfo.Host.Node,
pData->PrimaryNode,
sizeof(hostinfo.Host.Node));
hostinfo.Host.Port = NTOHS(pData->PrimaryPort);
hostinfo.SWMajorVersion = pData->SWMajorVersion;
hostinfo.SWMinorVersion = pData->SWMinorVersion;
hostinfo.SWBuildNumber = pData->SWBuildNumber;
hostinfo.NDFSCompatVersion = pData->NDFSCompatVersion;
hostinfo.NDFSVersion = pData->NDFSVersion;
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_RESERVED6,
"LSINFOX_PRIMATE_UPDATE_MESSAGE: %02X:%02X:%02X:%02X:%02X:%02X@%d\n",
pData->NetDiskNode[0],
pData->NetDiskNode[1],
pData->NetDiskNode[2],
pData->NetDiskNode[3],
pData->NetDiskNode[4],
pData->NetDiskNode[5],
pData->UnitDiskNo);
pUnitDevice->UpdatePrimaryHostInfo(hostinfo);
return;
}
BOOL
CNdasUnitDeviceCreator::ReadDIBv1AndConvert(PNDAS_DIB_V2 pDIBv2)
{
BOOL fSuccess = FALSE;
NDAS_DIB DIBv1 = {0};
PNDAS_DIB pDIBv1 = &DIBv1;
fSuccess = m_devComm.ReadDiskBlock(
reinterpret_cast<PBYTE>(pDIBv1),
NDAS_BLOCK_LOCATION_DIB_V1);
if (!fSuccess)
{
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_ERROR,
"ReadDiskBlock(DIBv1) failed, error=0x%X\n",
GetLastError());
return FALSE;
}
//
// If there is no DIB in the disk,
// create a pseudo DIBv2
//
if (NDAS_DIB_SIGNATURE != pDIBv1->Signature ||
IS_NDAS_DIBV1_WRONG_VERSION(*pDIBv1))
{
//
// Create a pseudo DIBv2
//
InitializeDIBv2AsSingle(pDIBv2);
return TRUE;
}
//
// Convert V1 to V2
//
fSuccess = ConvertDIBv1toDIBv2(
pDIBv1,
pDIBv2,
m_udinfo.SectorCount.QuadPart);
if (!fSuccess) {
//
// Create a pseudo DIBv2 again!
//
InitializeDIBv2AsSingle(pDIBv2);
return TRUE;
}
return TRUE;
}
BOOL
CNdasUnitDiskDevice::IsBitmapClean()
{
InstanceAutoLock autolock(this);
CNdasDevicePtr pParentDevice(m_pParentDevice);
CNdasDeviceComm devComm(pParentDevice, m_unitDeviceId.UnitNo);
BOOL fSuccess = devComm.Connect(FALSE);
if(!fSuccess)
{
return FALSE;
}
NDAS_UNITDEVICE_HARDWARE_INFO udinfo = {0};
udinfo.Size = sizeof(NDAS_UNITDEVICE_HARDWARE_INFO);
fSuccess = devComm.GetUnitDeviceInformation(&udinfo);
if (!fSuccess)
{
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_ERROR,
"GetUnitDeviceInformation of %s failed, error=0x%X\n",
this->ToStringA(), GetLastError());
return FALSE;
}
BYTE BitmapData[128 * 512] = {0};
// 1MB from NDAS_BLOCK_LOCATION_BITMAP
for(INT i = 0; i < 16; i++)
{
fSuccess = devComm.ReadDiskBlock(BitmapData,
NDAS_BLOCK_LOCATION_BITMAP + (i * 128), 128);
if(!fSuccess)
{
return FALSE;
}
PULONG pBitmapData = (PULONG)BitmapData;
for (INT j = 0; j < 128 * 512 / 4; ++j)
{
if(*pBitmapData)
{
return FALSE;
}
pBitmapData++;
}
}
return TRUE;
}
HRESULT
CNdasDiskUnit::UnitInitialize(
__in INdasDevice* pNdasDevice,
__in DWORD UnitNo,
__in NDAS_DISK_UNIT_TYPE DiskType,
__in const NDAS_UNITDEVICE_HARDWARE_INFO& HardwareInfo,
__in const NDAS_LOGICALUNIT_DEFINITION& NdasLogicalUnitDefinition,
__in DWORD LuSequence,
__in UINT64 UserBlocks,
__in PVOID pRaidInfo,
__in const NDAS_CONTENT_ENCRYPT& Encryption,
__in NDAS_DIB_V2* pDIBv2,
__in BLOCK_ACCESS_CONTROL_LIST *pBlockAcl)
{
HRESULT hr = CNdasUnitImpl::ImplInitialize(
pNdasDevice, UnitNo, NDAS_UNITDEVICE_TYPE_DISK,
CreateSubType(DiskType),
HardwareInfo,
NdasLogicalUnitDefinition,
LuSequence);
if (FAILED(hr))
{
ATLASSERT(FALSE);
return hr;
}
ATLASSERT(NULL != pDIBv2);
m_ulUserBlocks = UserBlocks;
m_pNdasLogicalUnitRaidInfo.Attach(pRaidInfo);
m_contentEncrypt = Encryption;
m_pDIBv2.Attach(pDIBv2);
m_pBACL.Attach(pBlockAcl);
m_diskType = DiskType;
//
// m_pDIBv2 and m_pAddTargetInfo will be deleted
// by this class on destruction
//
XTLASSERT(
(NDAS_CONTENT_ENCRYPT_METHOD_NONE == m_contentEncrypt.Method &&
m_contentEncrypt.KeyLength == 0) ||
(NDAS_CONTENT_ENCRYPT_METHOD_NONE != m_contentEncrypt.Method &&
m_contentEncrypt.KeyLength > 0));
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_VERBOSE,
"%s\n", CNdasUnitDeviceId(m_unitDeviceId).ToStringA());
return S_OK;
}
BOOL
pFindNdasScsiDevInst(
DEVINST* TargetDevInst,
DWORD UINumber)
{
// Get devices under Enum\NDAS
XTL::AutoDeviceInfoSet devInfoSet = ::SetupDiGetClassDevs(
NULL,
_T("NDAS"),
NULL,
DIGCF_ALLCLASSES | DIGCF_PRESENT);
if (devInfoSet.IsInvalid())
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"SetupDiGetClassDevs failed, error=0x%X\n", GetLastError());
return FALSE;
}
for (DWORD i = 0; ; ++i)
{
SP_DEVINFO_DATA devInfoData = {0};
devInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
BOOL fSuccess = ::SetupDiEnumDeviceInfo(devInfoSet, i, &devInfoData);
if (!fSuccess)
{
XTLTRACE2(NdasVolTrace, TRACE_LEVEL_ERROR,
"SetupDiEnumDeviceInfo failed, error=0x%X\n", GetLastError());
break;
}
DWORD uiNumber = pGetDeviceUINumber(devInfoSet, &devInfoData);
if (UINumber == uiNumber)
{
*TargetDevInst = devInfoData.DevInst;
return TRUE;
}
}
return FALSE;
}
HRESULT
CNdasLogicalUnitManager::Unregister(INdasUnit* pNdasUnit)
{
XTLTRACE2(NDASSVC_NDASLOGDEVMANAGER, TRACE_LEVEL_INFORMATION,
"Unregistering NdasUnit=%p from LDM\n", pNdasUnit);
if (NULL == pNdasUnit)
{
return E_POINTER;
}
CComPtr<INdasLogicalUnit> pNdasLogicalUnit;
COMVERIFY(pNdasUnit->get_NdasLogicalUnit(&pNdasLogicalUnit));
DWORD luseq;
COMVERIFY(pNdasUnit->get_LogicalUnitSequence(&luseq));
COMVERIFY(pNdasLogicalUnit->RemoveNdasUnitInstance(pNdasUnit));
DWORD instanceCount;
COMVERIFY(pNdasLogicalUnit->get_NdasUnitInstanceCount(&instanceCount));
if (0 == instanceCount)
{
NDAS_LOGICALDEVICE_ID logicalUnitId;
COMVERIFY(pNdasLogicalUnit->get_Id(&logicalUnitId));
NDAS_LOGICALDEVICE_GROUP logicalUnitDefinition;
COMVERIFY(pNdasLogicalUnit->get_LogicalUnitDefinition(&logicalUnitDefinition));
LockInstance();
XTLVERIFY(1 == m_LogicalUnitDefinitionMap.erase(logicalUnitDefinition));
XTLVERIFY(1 == m_LogicalUnitIdMap.erase(logicalUnitId));
size_t count = m_NdasLogicalUnits.GetCount();
for (size_t i = 0; i < count; ++i)
{
INdasLogicalUnit* p = m_NdasLogicalUnits.GetAt(i);
if (p == pNdasLogicalUnit)
{
m_NdasLogicalUnits.RemoveAt(i);
break;
}
}
XTLVERIFY(pDeallocateID(logicalUnitId));
UnlockInstance();
}
return S_OK;
}
void
CNdasEventMonitor::Attach(INdasDevice* pNdasDevice)
{
DWORD slotNo;
COMVERIFY(pNdasDevice->get_SlotNo(&slotNo));
XTLTRACE2(NDASSVC_EVENTMON, TRACE_LEVEL_INFORMATION,
"Attaching ndas device %d to the monitor\n", slotNo);
// DEVICE WRITE LOCK REGION
{
XTL::CWriterLockHolder holder(m_NdasDeviceDataLock);
m_NdasDevices.Add(pNdasDevice);
}
// DEVICE WRITE LOCK REGION
}
CNdasDeviceRegistrar::
CNdasDeviceRegistrar(
CNdasService& service,
DWORD MaxSlotNo) :
m_service(service),
m_fBootstrapping(FALSE),
m_dwMaxSlotNo(MaxSlotNo),
m_slotbit(MaxSlotNo + 1)
{
XTLTRACE2(NDASSVC_NDASDEVICEREGISTRAR, TRACE_LEVEL_INFORMATION,
"CNdasDeviceRegistrar::ctor()\n");
// Slot 0 is always occupied and reserved!
m_slotbit[0] = true;
}
BOOL
DisableDiskWriteCache(LPCTSTR szDiskPath)
{
XTLTRACE2(NDASSVC_SYSTEMUTIL, TRACE_LEVEL_INFORMATION,
"CreateFile(%ls).\n", szDiskPath);
XTL::AutoFileHandle hDisk = ::CreateFile(
szDiskPath,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
0,
NULL);
if (hDisk.IsInvalid())
{
XTLTRACE2(NDASSVC_SYSTEMUTIL, TRACE_LEVEL_INFORMATION,
"CreateFile(%ls) failed, error=0x%X\n", szDiskPath, GetLastError());
return FALSE;
}
return DisableDiskWriteCache(hDisk);
}
HRESULT
pGetNdasSlotNumberFromDiskNumber(
__in DWORD DiskNumber,
__out LPDWORD NdasSlotNumber)
{
WCHAR diskName[MAX_PATH];
XTLVERIFY(SUCCEEDED(
StringCchPrintfW(
diskName, MAX_PATH,
L"\\\\.\\PhysicalDrive%d", DiskNumber)));
XTLTRACE2(NdasVolTrace, 2, "Disk Name: %ls\n", diskName);
return pGetNdasSlotNumberFromDeviceNameW(diskName, NdasSlotNumber);
}
void
CNdasEventMonitor::Attach(INdasLogicalUnit* pNdasLogicalUnit)
{
XTLTRACE2(NDASSVC_EVENTMON, TRACE_LEVEL_INFORMATION,
"Attaching logical unit %p to the monitor\n",
pNdasLogicalUnit);
// LOGICAL DEVICE WRITE LOCK REGION
{
XTL::CWriterLockHolder holder(m_NdasLogicalUnitDataLock);
m_NdasLogicalUnits.Add(pNdasLogicalUnit);
}
// LOGICAL DEVICE WRITE LOCK REGION
XTLVERIFY( ::SetEvent(m_NdasLogicalUnitSetChanged) );
}
BOOL
CNdasDeviceRegistrar::Unregister(DWORD SlotNo)
{
InstanceAutoLock autolock(this);
DeviceSlotMap::iterator slot_itr = m_deviceSlotMap.find(SlotNo);
if (m_deviceSlotMap.end() == slot_itr)
{
// TODO: Make more specific error code
::SetLastError(NDASSVC_ERROR_DEVICE_ENTRY_NOT_FOUND);
return FALSE;
}
CNdasDevicePtr pDevice = slot_itr->second;
if (NDAS_DEVICE_STATUS_DISABLED != pDevice->GetStatus())
{
// TODO: ::SetLastError(NDAS_ERROR_CANNOT_UNREGISTER_ENABLED_DEVICE);
// TODO: Make more specific error code
::SetLastError(NDASSVC_ERROR_CANNOT_UNREGISTER_ENABLED_DEVICE);
return FALSE;
}
DeviceIdMap::iterator id_itr = m_deviceIdMap.find(pDevice->GetDeviceId());
XTLASSERT(m_deviceIdMap.end() != id_itr);
m_deviceIdMap.erase(id_itr);
m_deviceSlotMap.erase(slot_itr);
m_slotbit[SlotNo] = FALSE;
XTL::CStaticStringBuffer<30> containerName(_T("Devices\\%04d"), SlotNo);
BOOL fSuccess = _NdasSystemCfg.DeleteContainer(containerName, FALSE);
if (!fSuccess)
{
XTLTRACE2(NDASSVC_NDASDEVICEREGISTRAR, TRACE_LEVEL_WARNING,
"Deleting registration entry from the registry failed at %ls, error=0x%X\n",
containerName, GetLastError());
}
(void) m_service.GetEventPublisher().DeviceEntryChanged();
return TRUE;
}
