Source code of Windows XP (NT5)
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/////////////////////////////////////////////////////////////////////
//
// CopyRight (c) 1999-2000 Microsoft Corporation
//
// Module Name:
// ClusterWMIProvider.cpp
//
// Description:
// Implementation of the provider registration and entry point.
//
// Author:
// Henry Wang (HenryWa) 24-AUG-1999
//
//////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include <initguid.h>
#include "ProvFactory.h"
#include "InstanceProv.h"
#include "EventProv.h"
#include "ClusterWMIProvider.tmh"
//////////////////////////////////////////////////////////////////////////////
// Global Data
//////////////////////////////////////////////////////////////////////////////
// {598065EA-EDC9-4b2c-913B-5104D04D098A}
DEFINE_GUID( CLSID_CLUSTER_WMI_PROVIDER,
0x598065ea, 0xedc9, 0x4b2c, 0x91, 0x3b, 0x51, 0x4, 0xd0, 0x4d, 0x9, 0x8a );
// {6A52C339-DCB0-4682-8B1B-02DE2C436A6D}
DEFINE_GUID( CLSID_CLUSTER_WMI_CLASS_PROVIDER,
0x6a52c339, 0xdcb0, 0x4682, 0x8b, 0x1b, 0x2, 0xde, 0x2c, 0x43, 0x6a, 0x6d );
// {92863246-4EDE-4eff-B606-79C1971DB230}
DEFINE_GUID( CLSID_CLUSTER_WMI_EVENT_PROVIDER,
0x92863246, 0x4ede, 0x4eff, 0xb6, 0x6, 0x79, 0xc1, 0x97, 0x1d, 0xb2, 0x30 );
// Count number of objects and number of locks.
long g_cObj = 0;
long g_cLock = 0;
HMODULE g_hModule;
FactoryData g_FactoryDataArray[] =
{
{
&CLSID_CLUSTER_WMI_PROVIDER,
CInstanceProv::S_HrCreateThis,
L"Cluster service WMI instance provider"
},
{
&CLSID_CLUSTER_WMI_CLASS_PROVIDER,
CClassProv::S_HrCreateThis,
L"Cluster service WMI class provider"
},
{
&CLSID_CLUSTER_WMI_EVENT_PROVIDER,
CEventProv::S_HrCreateThis,
L"Cluster service WMI event provider"
},
};
//////////////////////////////////////////////////////////////////////////////
//++
//
// BOOL
// WINAPI
// DllMain(
// HANDLE hModule,
// DWORD ul_reason_for_call,
// LPVOID lpReserved
// )
//
// Description:
// Main DLL entry point.
//
// Arguments:
// hModule -- DLL module handle.
// ul_reason_for_call --
// lpReserved --
//
// Return Values:
// TRUE
//
//--
//////////////////////////////////////////////////////////////////////////////
BOOL
WINAPI
DllMain(
HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
// begin_wpp config
// CUSTOM_TYPE(dllreason, ItemListLong(DLL_PROCESS_DETACH, DLL_PROCESS_ATTACH, DLL_THREAD_ATTACH, DLL_THREAD_DETACH) );
//
// CUSTOM_TYPE(EventIdx, ItemSetLong(NODE_STATE, NODE_DELETED, NODE_ADDED, NODE_PROPERTY, REGISTRY_NAME,REGISTRY_ATTRIBUTES, REGISTRY_VALUE, REGISTRY_SUBTREE, RESOURCE_STATE, RESOURCE_DELETED, RESOURCE_ADDED, RESOURCE_PROPERTY, GROUP_STATE, GROUP_DELETED, GROUP_ADDED, GROUP_PROPERTY, RESOURCE_TYPE_DELETED, RESOURCE_TYPE_ADDED, RESOURCE_TYPE_PROPERTY, CLUSTER_RECONNECT, NETWORK_STATE, NETWORK_DELETED, NETWORK_ADDED, NETWORK_PROPERTY, NETINTERFACE_STATE, NETINTERFACE_DELETED, NETINTERFACE_ADDED, NETINTERFACE_PROPERTY, QUORUM_STATE, CLUSTER_STATE, CLUSTER_PROPERTY, HANDLE_CLOSE));
//
// CUSTOM_TYPE(GroupState, ItemListLong(Online, Offline, Failed, PartialOnline, Pending) );
// CUSTOM_TYPE(ResourceState, ItemListLong(Initing, Initializing, Online, Offline, Failed) );
// end_wpp
//
// Cluster event filter flags.
//
/*
NODE_STATE = 0x00000001,
NODE_DELETED = 0x00000002,
NODE_ADDED = 0x00000004,
NODE_PROPERTY = 0x00000008,
REGISTRY_NAME = 0x00000010,
REGISTRY_ATTRIBUTES = 0x00000020,
REGISTRY_VALUE = 0x00000040,
REGISTRY_SUBTREE = 0x00000080,
RESOURCE_STATE = 0x00000100,
RESOURCE_DELETED = 0x00000200,
RESOURCE_ADDED = 0x00000400,
RESOURCE_PROPERTY = 0x00000800,
GROUP_STATE = 0x00001000,
GROUP_DELETED = 0x00002000,
GROUP_ADDED = 0x00004000,
GROUP_PROPERTY = 0x00008000,
RESOURCE_TYPE_DELETED = 0x00010000,
RESOURCE_TYPE_ADDED = 0x00020000,
RESOURCE_TYPE_PROPERTY = 0x00040000,
CLUSTER_RECONNECT = 0x00080000,
NETWORK_STATE = 0x00100000,
NETWORK_DELETED = 0x00200000,
NETWORK_ADDED = 0x00400000,
NETWORK_PROPERTY = 0x00800000,
NETINTERFACE_STATE = 0x01000000,
NETINTERFACE_DELETED = 0x02000000,
NETINTERFACE_ADDED = 0x04000000,
NETINTERFACE_PROPERTY = 0x08000000,
QUORUM_STATE = 0x10000000,
CLUSTER_STATE = 0x20000000,
CLUSTER_PROPERTY = 0x40000000,
HANDLE_CLOSE = 0x80000000,
*/
//#ifdef _DEBUG
// _CrtSetBreakAlloc( 228 );
//#endif
TracePrint(("ClusWMI: DllMain entry, reason = %!dllreason!", ul_reason_for_call));
g_hModule = static_cast< HMODULE >( hModule );
switch ( ul_reason_for_call ) {
case DLL_PROCESS_ATTACH:
WPP_INIT_TRACING( NULL );
break;
case DLL_PROCESS_DETACH:
WPP_CLEANUP();
break;
default:
break;
}
return TRUE;
} //*** DllMain()
//////////////////////////////////////////////////////////////////////////////
//++
//
// STDAPI
// DllCanUnloadNow( void )
//
// Description:
// Called periodically by Ole in order to determine if the
// DLL can be freed.
//
// Arguments:
// None.
//
// Return Values:
// S_OK if there are no objects in use and the class factory
// isn't locked.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDAPI DllCanUnloadNow( void )
{
SCODE sc;
//It is OK to unload if there are no objects or locks on the
// class factory.
sc = ( (0L == g_cObj) && (0L == g_cLock) ) ? S_OK : S_FALSE;
TracePrint(("ClusWMI: DllCanUnloadNow is returning %d", sc));
return sc;
} //*** DllCanUnloadNow()
//////////////////////////////////////////////////////////////////////////////
//++
//
// STDAPI
// DllRegisterServer( void )
//
// Description:
// Called during setup or by regsvr32.
//
// Arguments:
// None.
//
// Return Values:
// NOERROR if registration successful, error otherwise.
// SELFREG_E_CLASS
//
//--
//////////////////////////////////////////////////////////////////////////////
STDAPI DllRegisterServer( void )
{
WCHAR wszID[ 128 ];
WCHAR wszCLSID[ 128 ];
WCHAR wszModule[ MAX_PATH ];
INT idx;
WCHAR * pwszModel = L"Both";
HKEY hKey1;
HKEY hKey2;
DWORD dwRt = ERROR_SUCCESS;
INT cArray = sizeof ( g_FactoryDataArray ) / sizeof ( FactoryData );
TracePrint(("ClusWMI: DllRegisterServer entry"));
// Create the path.
try
{
do
{
DWORD cbModuleNameSize = 0;
if ( GetModuleFileName( g_hModule, wszModule, MAX_PATH ) == 0 )
{
dwRt = GetLastError();
break;
}
cbModuleNameSize = ( lstrlenW( wszModule ) + 1 ) * sizeof( wszModule[ 0 ] );
for ( idx = 0 ; idx < cArray && dwRt == ERROR_SUCCESS ; idx++ )
{
LPCWSTR pwszName = g_FactoryDataArray[ idx ].m_pwszRegistryName;
StringFromGUID2(
*g_FactoryDataArray[ idx ].m_pCLSID,
wszID,
128
);
lstrcpyW( wszCLSID, L"Software\\Classes\\CLSID\\" );
lstrcatW( wszCLSID, wszID );
// Create entries under CLSID
dwRt = RegCreateKeyW(
HKEY_LOCAL_MACHINE,
wszCLSID,
&hKey1
);
if ( dwRt != ERROR_SUCCESS )
{
break;
}
dwRt = RegSetValueEx(
hKey1,
NULL,
0,
REG_SZ,
(BYTE *) pwszName,
sizeof( WCHAR ) * ( lstrlenW( pwszName ) + 1 )
);
if ( dwRt != ERROR_SUCCESS )
{
break;
}
dwRt = RegCreateKeyW(
hKey1,
L"InprocServer32",
& hKey2
);
if ( dwRt != ERROR_SUCCESS )
{
break;
}
dwRt = RegSetValueEx(
hKey2,
NULL,
0,
REG_SZ,
(BYTE *) wszModule,
cbModuleNameSize
);
if ( dwRt != ERROR_SUCCESS )
{
break;
}
dwRt = RegSetValueExW(
hKey2,
L"ThreadingModel",
0,
REG_SZ,
(BYTE *) pwszModel,
sizeof( WCHAR ) * ( lstrlen( pwszModel ) + 1 )
);
if ( dwRt != ERROR_SUCCESS )
{
break;
}
RegCloseKey( hKey1 );
RegCloseKey( hKey2 );
} // for: each entry in factory entry array
if ( dwRt != ERROR_SUCCESS )
{
break;
}
}
while( false ); // dummy do-while loop to avoid gotos
}
catch ( ... )
{
RegCloseKey( hKey1 );
RegCloseKey( hKey2 );
dwRt = SELFREG_E_CLASS;
}
TracePrint(("ClusWMI: RegisterServer returned %d", dwRt));
return dwRt;
} //*** DllRegisterServer()
//////////////////////////////////////////////////////////////////////////////
//++
//
// STDAPI
// DllUnregisterServer( void )
//
// Description:
// Called when it is time to remove the registry entries.
//
// Arguments:
// None.
//
// Return Values:
// NOERROR if registration successful, error otherwise.
// SELFREG_E_CLASS
//
//--
//////////////////////////////////////////////////////////////////////////////
STDAPI DllUnregisterServer( void )
{
WCHAR wszID[ 128 ];
WCHAR wszCLSID[ 128 ];
HKEY hKey;
INT idx;
DWORD dwRet = ERROR_SUCCESS;
INT cArray = sizeof ( g_FactoryDataArray ) / sizeof ( FactoryData );
for ( idx = 0 ; idx < 2 && dwRet == ERROR_SUCCESS ; idx++ )
{
StringFromGUID2(
*g_FactoryDataArray[ idx ].m_pCLSID,
wszID,
128
);
lstrcpyW( wszCLSID, L"Software\\Classes\\CLSID\\" );
lstrcatW( wszCLSID, wszID );
// First delete the InProcServer subkey.
dwRet = RegOpenKeyW(
HKEY_LOCAL_MACHINE,
wszCLSID,
&hKey
);
if ( dwRet != ERROR_SUCCESS )
{
break;
}
dwRet = RegDeleteKeyW( hKey, L"InProcServer32" );
RegCloseKey( hKey );
if ( dwRet != ERROR_SUCCESS )
{
break;
}
dwRet = RegOpenKeyW(
HKEY_LOCAL_MACHINE,
L"Software\\Classes\\CLSID",
&hKey
);
if ( dwRet != ERROR_SUCCESS )
{
break;
}
dwRet = RegDeleteKeyW( hKey,wszID );
RegCloseKey( hKey );
if ( dwRet != ERROR_SUCCESS )
{
break;
}
} // for: each object
if ( dwRet != ERROR_SUCCESS )
{
dwRet = SELFREG_E_CLASS;
}
return dwRet;
} //*** DllUnregisterServer()
//////////////////////////////////////////////////////////////////////////////
//++
//
// STDAPI
// DllGetClassObject(
// REFCLSID rclsidIn,
// REFIID riidIn,
// PPVOID ppvOut
// )
//
// Description:
// Called by Ole when some client wants a class factory. Return
// one only if it is the sort of class this DLL supports.
//
// Arguments:
// rclsidIn --
// riidIn --
// ppvOut --
//
// Return Values:
// NOERROR if registration successful, error otherwise.
// E_OUTOFMEMORY
// E_FAIL
//
//--
//////////////////////////////////////////////////////////////////////////////
STDAPI
DllGetClassObject(
REFCLSID rclsidIn,
REFIID riidIn,
PPVOID ppvOut
)
{
HRESULT hr;
CProvFactory * pObj = NULL;
UINT idx;
UINT cDataArray = sizeof ( g_FactoryDataArray ) / sizeof ( FactoryData );
for ( idx = 0 ; idx < cDataArray ; idx++ )
{
if ( rclsidIn == *g_FactoryDataArray[ idx ].m_pCLSID )
{
pObj= new CProvFactory( &g_FactoryDataArray[ idx ] );
if ( NULL == pObj )
{
return E_OUTOFMEMORY;
}
hr = pObj->QueryInterface( riidIn, ppvOut );
if ( FAILED( hr ) )
{
delete pObj;
}
return hr;
}
}
return E_FAIL;
} //*** DllGetClassObject()