333 lines
13 KiB
C++
333 lines
13 KiB
C++
/******************************************************************
|
|
SNetScal.cpp -- WBEM provider class implementation
|
|
|
|
MODULE:
|
|
DhcpProv.dll
|
|
|
|
DESCRIPTION:
|
|
Contains: the definition of the DHCP_Subnet class,
|
|
the static table of manageable objects.
|
|
|
|
REVISION:
|
|
08/03/98 - created
|
|
|
|
******************************************************************/
|
|
#include <stdafx.h>
|
|
|
|
#include "props.h"
|
|
#include "snetfn.h"
|
|
#include "lsfn.h"
|
|
#include "srvfn.h"
|
|
#include "anetlea.h"
|
|
|
|
// the name of the WBEM class
|
|
#define PROVIDER_NAME_DHCP_ASSOCIATIONSUBNETLEASE "DHCP_SubnetLease"
|
|
|
|
// the properties' names
|
|
#define PROP_NAME_SUBNET L"Subnet"
|
|
#define PROP_NAME_LEASE L"Lease"
|
|
|
|
// main class instantiation.
|
|
CDHCP_AssociationSubnetToLease MyDHCP_Association_Subnet_Lease (PROVIDER_NAME_DHCP_ASSOCIATIONSUBNETLEASE, PROVIDER_NAMESPACE_DHCP) ;
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::CDHCP_AssociationSubnetToLease
|
|
*
|
|
* DESCRIPTION : Constructor
|
|
*
|
|
* INPUTS : none
|
|
*
|
|
* RETURNS : nothing
|
|
*
|
|
* COMMENTS : Calls the Provider constructor.
|
|
*
|
|
*****************************************************************************/
|
|
CDHCP_AssociationSubnetToLease::CDHCP_AssociationSubnetToLease (const CHString& strName, LPCSTR pszNameSpace ) :
|
|
Provider(strName, pszNameSpace)
|
|
{
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::~CDHCP_AssociationSubnetToLease
|
|
*
|
|
* DESCRIPTION : Destructor
|
|
*
|
|
* INPUTS : none
|
|
*
|
|
* RETURNS : nothing
|
|
*
|
|
* COMMENTS :
|
|
*
|
|
*****************************************************************************/
|
|
CDHCP_AssociationSubnetToLease::~CDHCP_AssociationSubnetToLease ()
|
|
{
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::EnumerateInstances
|
|
*
|
|
* DESCRIPTION : Returns all the instances of this class.
|
|
*
|
|
* INPUTS : none
|
|
*
|
|
* RETURNS : WBEM_S_NO_ERROR if successful
|
|
*
|
|
* COMMENTS : Enumerates all this instances of this class. As there is only one
|
|
* DHCP Server per system, there is only one instance for this class
|
|
*
|
|
*****************************************************************************/
|
|
HRESULT CDHCP_AssociationSubnetToLease::EnumerateInstances ( MethodContext* pMethodContext, long lFlags )
|
|
{
|
|
HRESULT hRes = WBEM_S_NO_ERROR;
|
|
|
|
CDHCP_Server_Parameters srvParams;
|
|
LPDHCP_MIB_INFO pSrvMibInfo;
|
|
|
|
if (srvParams.GetMibInfo(pSrvMibInfo, TRUE))
|
|
{
|
|
// loop through all the subnets configured on the local server
|
|
for (int i = 0; i < pSrvMibInfo->Scopes; i++)
|
|
{
|
|
DWORD dwSubnet;
|
|
DHCP_RESUME_HANDLE ResumeHandle;
|
|
|
|
dwSubnet = pSrvMibInfo->ScopeInfo[i].Subnet;
|
|
|
|
CDHCP_Lease_Parameters lsParams(dwSubnet, 0);
|
|
|
|
ResumeHandle = 0;
|
|
|
|
// for each subnet, loop through all the client buffers belonging to it
|
|
do
|
|
{
|
|
// load the next buffer
|
|
if (!lsParams.NextSubnetClients(ResumeHandle))
|
|
return WBEM_E_FAILED; // will fail here
|
|
|
|
// for the current buffer, loop through all the clients
|
|
for (int j = 0; hRes == WBEM_S_NO_ERROR && j < lsParams.m_pClientInfoArray->NumElements; j++)
|
|
{
|
|
// this is finally the info of the current client
|
|
LPCLIENT_INFO pClient = lsParams.m_pClientInfoArray->Clients[j];
|
|
WCHAR wcsSubnet[256], wcsAddress[256]; // should be enough for holding 'xxx.yyy.zzz.uuu\0'
|
|
|
|
// build the str representation of the Subnet address
|
|
swprintf(wcsSubnet, L"DHCP_Subnet.Address=\"%u.%u.%u.%u\"",(dwSubnet & 0xff000000) >> 24,
|
|
(dwSubnet & 0x00ff0000) >> 16,
|
|
(dwSubnet & 0x0000ff00) >> 8,
|
|
(dwSubnet & 0x000000ff));
|
|
|
|
// build the str representation of the ClientIpAddress address
|
|
swprintf(wcsAddress, L"DHCP_Lease.Subnet=\"%u.%u.%u.%u\",Address=\"%u.%u.%u.%u\"",
|
|
|
|
(dwSubnet & 0xff000000) >> 24,
|
|
(dwSubnet & 0x00ff0000) >> 16,
|
|
(dwSubnet & 0x0000ff00) >> 8,
|
|
(dwSubnet & 0x000000ff) ,
|
|
(pClient->ClientIpAddress & 0xff000000) >> 24,
|
|
(pClient->ClientIpAddress & 0x00ff0000) >> 16,
|
|
(pClient->ClientIpAddress & 0x0000ff00) >> 8,
|
|
(pClient->ClientIpAddress & 0x000000ff));
|
|
|
|
// we finally have everything we need for the creating one more instance
|
|
CInstance* pInstance = CreateNewInstance(pMethodContext);
|
|
|
|
// initialize the instance with the key info and call LoadInstanceProperties for the rest of the info
|
|
if (pInstance->SetCHString(PROP_NAME_SUBNET, wcsSubnet) &&
|
|
pInstance->SetCHString(PROP_NAME_LEASE, wcsAddress))
|
|
{
|
|
hRes = Commit(pInstance);
|
|
// now everything relys on the err returned above.
|
|
}
|
|
}
|
|
|
|
// if there was an error above, bail
|
|
if (hRes != WBEM_S_NO_ERROR)
|
|
return WBEM_E_FAILED;
|
|
|
|
} while (ResumeHandle != 0); // bail if ResumeHandle got back to 0 (the end was reached)
|
|
}
|
|
}
|
|
|
|
return hRes ;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::GetObject
|
|
*
|
|
* DESCRIPTION : Find a single instance based on the key properties for the
|
|
* class.
|
|
*
|
|
* INPUTS : A pointer to a CInstance object containing the key properties.
|
|
*
|
|
* RETURNS : WBEM_S_NO_ERROR if the instance can be found
|
|
* WBEM_E_NOT_FOUND if the instance described by the key properties
|
|
* could not be found
|
|
* WBEM_E_FAILED if the instance could be found but another error
|
|
* occurred.
|
|
*
|
|
* COMMENTS :
|
|
*
|
|
*****************************************************************************/
|
|
HRESULT CDHCP_AssociationSubnetToLease::GetObject ( CInstance* pInstance, long lFlags )
|
|
{
|
|
return LoadInstanceProperties(pInstance)? WBEM_S_NO_ERROR : WBEM_E_NOT_FOUND;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::ExecQuery
|
|
*
|
|
* DESCRIPTION : You are passed a method context to use in the creation of
|
|
* instances that satisfy the query, and a CFrameworkQuery
|
|
* which describes the query. Create and populate all
|
|
* instances which satisfy the query. CIMOM will post -
|
|
* filter the query for you, you may return more instances
|
|
* or more properties than are requested and CIMOM
|
|
* will filter out any that do not apply.
|
|
*
|
|
*
|
|
* INPUTS :
|
|
*
|
|
* RETURNS : WBEM_E_PROVIDER_NOT_CAPABLE if not supported for this class
|
|
* WBEM_E_FAILED if the query failed
|
|
* WBEM_S_NO_ERROR if query was successful
|
|
*
|
|
* COMMENTS : TO DO: Most providers will not need to implement this method. If you don't, cimom
|
|
* will call your enumerate function to get all the instances and perform the
|
|
* filtering for you. Unless you expect SIGNIFICANT savings from implementing
|
|
* queries, you should remove this entire method.
|
|
*
|
|
*****************************************************************************/
|
|
HRESULT CDHCP_AssociationSubnetToLease::ExecQuery (MethodContext *pMethodContext, CFrameworkQuery& Query, long lFlags)
|
|
{
|
|
return (WBEM_E_PROVIDER_NOT_CAPABLE);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::PutInstance
|
|
*
|
|
* DESCRIPTION : PutInstance should be used in provider classes that can write
|
|
* instance information back to the hardware or software.
|
|
* For example: Win32_Environment will allow a PutInstance of a new
|
|
* environment variable, because environment variables are "software"
|
|
* related. However, a class like Win32_MotherboardDevice will not
|
|
* allow editing of the bus speed. Since by default PutInstance
|
|
* returns WBEM_E_PROVIDER_NOT_CAPABLE, this function is placed here as a
|
|
* skeleton, but can be removed if not used.
|
|
*
|
|
* INPUTS :
|
|
*
|
|
* RETURNS : WBEM_E_PROVIDER_NOT_CAPABLE if PutInstance is not available
|
|
* WBEM_E_FAILED if there is an error delivering the instance
|
|
* WBEM_E_INVALID_PARAMETER if any of the instance properties
|
|
* are incorrect.
|
|
* WBEM_S_NO_ERROR if instance is properly delivered
|
|
*
|
|
* COMMENTS : TO DO: If you don't intend to support writing to your provider, remove this method.
|
|
*
|
|
*****************************************************************************/
|
|
HRESULT CDHCP_AssociationSubnetToLease::PutInstance ( const CInstance &Instance, long lFlags)
|
|
{
|
|
return (WBEM_E_PROVIDER_NOT_CAPABLE);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::DeleteInstance
|
|
*
|
|
* DESCRIPTION : DeleteInstance, like PutInstance, actually writes information
|
|
* to the software or hardware. For most hardware devices,
|
|
* DeleteInstance should not be implemented, but for software
|
|
* configuration, DeleteInstance implementation is plausible.
|
|
* Like PutInstance, DeleteInstance returns WBEM_E_PROVIDER_NOT_CAPABLE from
|
|
* inside Provider::DeleteInstance (defined in Provider.h). So, if
|
|
* you choose not to implement DeleteInstance, remove this function
|
|
* definition and the declaration from DHCP_Server_Scalars.h
|
|
*
|
|
* INPUTS :
|
|
*
|
|
* RETURNS : WBEM_E_PROVIDER_NOT_CAPABLE if DeleteInstance is not available.
|
|
* WBEM_E_FAILED if there is an error deleting the instance.
|
|
* WBEM_E_INVALID_PARAMETER if any of the instance properties
|
|
* are incorrect.
|
|
* WBEM_S_NO_ERROR if instance is properly deleted.
|
|
*
|
|
* COMMENTS : TO DO: If you don't intend to support deleting instances, remove this method.
|
|
*
|
|
*****************************************************************************/
|
|
HRESULT CDHCP_AssociationSubnetToLease::DeleteInstance ( const CInstance &Instance, long lFlags )
|
|
{
|
|
return (WBEM_E_PROVIDER_NOT_CAPABLE);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::ExecMethod
|
|
*
|
|
* DESCRIPTION : Override this function to provide support for methods.
|
|
* A method is an entry point for the user of your provider
|
|
* to request your class perform some function above and
|
|
* beyond a change of state. (A change of state should be
|
|
* handled by PutInstance() )
|
|
*
|
|
* INPUTS : A pointer to a CInstance containing the instance the method was executed against.
|
|
* A string containing the method name
|
|
* A pointer to the CInstance which contains the IN parameters.
|
|
* A pointer to the CInstance to contain the OUT parameters.
|
|
* A set of specialized method flags
|
|
*
|
|
* RETURNS : WBEM_E_PROVIDER_NOT_CAPABLE if not implemented for this class
|
|
* WBEM_S_NO_ERROR if method executes successfully
|
|
* WBEM_E_FAILED if error occurs executing method
|
|
*
|
|
* COMMENTS : TO DO: If you don't intend to support Methods, remove this method.
|
|
*
|
|
*****************************************************************************/
|
|
HRESULT CDHCP_AssociationSubnetToLease::ExecMethod ( const CInstance& Instance,
|
|
const BSTR bstrMethodName,
|
|
CInstance *pInParams,
|
|
CInstance *pOutParams,
|
|
long lFlags)
|
|
{
|
|
return WBEM_E_PROVIDER_NOT_CAPABLE;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION : CDHCP_AssociationSubnetToLease::LoadInstanceProperties
|
|
*
|
|
* RETURNS : TRUE if the values for all the properties was loaded successfully,
|
|
* FALSE otherwise.
|
|
*
|
|
* COMMENTS : It loops through the Server_Property table, calling the GET functions.
|
|
*
|
|
*****************************************************************************/
|
|
BOOL CDHCP_AssociationSubnetToLease::LoadInstanceProperties(CInstance* pInstance)
|
|
{
|
|
CHString str;
|
|
char *pAddress;
|
|
DHCP_IP_ADDRESS dwSubnet, dwAddress;
|
|
|
|
// at this point, the key information should be provided by the pInstance
|
|
if (!pInstance->GetCHString (PROP_NAME_SUBNET, str ) ||
|
|
!inet_wstodw(str, dwSubnet) ||
|
|
!pInstance->GetCHString ( PROP_NAME_LEASE, str) ||
|
|
!(pAddress = strchr ( str.GetBuffer(0), ',' )) ||
|
|
!inet_wstodw(pAddress, dwAddress))
|
|
return FALSE;
|
|
|
|
CDHCP_Subnet_Parameters subnetParams(dwSubnet) ;
|
|
CDHCP_Lease_Parameters leaseParams(dwSubnet, dwAddress);
|
|
LPDHCP_SUBNET_INFO pSubnetInfo;
|
|
LPCLIENT_INFO pClientInfo;
|
|
|
|
return subnetParams.GetSubnetInfo(pSubnetInfo, TRUE) && leaseParams.GetClientInfo(pClientInfo, TRUE);
|
|
}
|