windows-nt/Source/XPSP1/NT/net/wlbs/wmi/clusterwrapper.cpp

#include <crtdbg.h>
#include <comdef.h>
#include <iostream>
#include <memory>
#include <string>
#include <wbemprov.h>
#include <genlex.h>   //for wmi object path parser
#include <objbase.h>
#include <wlbsconfig.h> 
#include <ntrkcomm.h>

using namespace std;

#include "objpath.h"
#include "debug.h"
#include "wlbsiocl.h"
#include "controlwrapper.h"
#include "clusterwrapper.h"
#include "utils.h"
#include "wlbsparm.h"
#include "cluster.h"
#include "wlbsutil.h"



////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::GetClusterConfig
//
// Purpose: This is used to obtain the current
//          cluster configuration.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::GetClusterConfig( CClusterConfiguration& a_WlbsConfig )
{
  WLBS_REG_PARAMS WlbsParam;

  DWORD dwWlbsRegRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwWlbsRegRes != WLBS_OK )
    throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsReadReg );

  a_WlbsConfig.szClusterName = WlbsParam.domain_name;
  a_WlbsConfig.szClusterIPAddress = WlbsParam.cl_ip_addr;
  a_WlbsConfig.szClusterNetworkMask = WlbsParam.cl_net_mask;
  a_WlbsConfig.szClusterMACAddress = WlbsParam.cl_mac_addr;

  a_WlbsConfig.bMulticastSupportEnable = ( WlbsParam.mcast_support != 0);
  a_WlbsConfig.bRemoteControlEnabled   = ( WlbsParam.rct_enabled != 0 );
  a_WlbsConfig.nMaxNodes               = WLBS_MAX_HOSTS;

  a_WlbsConfig.bIgmpSupport            = (WlbsParam.fIGMPSupport != FALSE);
  a_WlbsConfig.bClusterIPToMulticastIP = (WlbsParam.fIpToMCastIp != FALSE);
  a_WlbsConfig.szMulticastIPAddress    = WlbsParam.szMCastIpAddress;

  a_WlbsConfig.bBDATeamActive          = (WlbsParam.bda_teaming.active != 0);

  if (a_WlbsConfig.bBDATeamActive)
  {
      a_WlbsConfig.szBDATeamId         = WlbsParam.bda_teaming.team_id;
      a_WlbsConfig.bBDATeamMaster      = (WlbsParam.bda_teaming.master != 0);
      a_WlbsConfig.bBDAReverseHash     = (WlbsParam.bda_teaming.reverse_hash != 0);
  }
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::GetNodeConfig
//
// Purpose: This function retrieves the current WLBS configuration and selects
//          only NodeSetting pertinent information. The information is passed
//          back in a CNodeConfiguration class instance.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::GetNodeConfig( CNodeConfiguration& a_WlbsConfig )
{
  WLBS_REG_PARAMS WlbsParam;

  DWORD dwWlbsRegRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwWlbsRegRes != WLBS_OK )
      throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsReadReg );

  a_WlbsConfig.szDedicatedIPAddress = WlbsParam.ded_ip_addr;
  a_WlbsConfig.szDedicatedNetworkMask = WlbsParam.ded_net_mask;

  a_WlbsConfig.bClusterModeOnStart = ( WlbsParam.cluster_mode != 0 );
  //a_WlbsConfig.bNBTSupportEnable   = ( WlbsParam.nbt_support  != 0 );
  a_WlbsConfig.bMaskSourceMAC      = ( WlbsParam.mask_src_mac != 0 );

  a_WlbsConfig.dwNumberOfRules        = WlbsGetNumPortRules(&WlbsParam);
  a_WlbsConfig.dwCurrentVersion       = WlbsParam.alive_period;
  a_WlbsConfig.dwHostPriority         = WlbsParam.host_priority;
  a_WlbsConfig.dwAliveMsgPeriod       = WlbsParam.alive_period;
  a_WlbsConfig.dwAliveMsgTolerance    = WlbsParam.alive_tolerance;
  a_WlbsConfig.dwRemoteControlUDPPort = WlbsParam.rct_port;
  a_WlbsConfig.dwDescriptorsPerAlloc  = WlbsParam.dscr_per_alloc;
  a_WlbsConfig.dwMaxDescriptorAllocs  = WlbsParam.max_dscr_allocs;
  a_WlbsConfig.dwNumActions           = WlbsParam.num_actions;
  a_WlbsConfig.dwNumPackets           = WlbsParam.num_packets;
  a_WlbsConfig.dwNumAliveMsgs         = WlbsParam.num_send_msgs;
  a_WlbsConfig.szDedicatedIPAddress   = WlbsParam.ded_ip_addr;
  a_WlbsConfig.dwEffectiveVersion     = WlbsGetEffectiveVersion(&WlbsParam);
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::SetClusterConfig
//
// Purpose: This is used to update the registry with values that originate from 
//          the MOF ClusterSetting class.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::PutClusterConfig( const CClusterConfiguration &a_WlbsConfig )
{

  WLBS_REG_PARAMS NlbRegData;

  DWORD dwWlbsRegRes = CWlbsCluster::ReadConfig(&NlbRegData );

  if( dwWlbsRegRes != WLBS_OK )
      throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsReadReg );

  wcsncpy
    ( 
      NlbRegData.domain_name, 
      a_WlbsConfig.szClusterName.c_str(), 
      WLBS_MAX_DOMAIN_NAME
    );

  wcsncpy
    ( 
      NlbRegData.cl_net_mask, 
      a_WlbsConfig.szClusterNetworkMask.c_str(), 
      WLBS_MAX_CL_NET_MASK
    );

  wcsncpy
    ( 
      NlbRegData.cl_ip_addr , 
      a_WlbsConfig.szClusterIPAddress.c_str(), 
      WLBS_MAX_CL_IP_ADDR
    );

  NlbRegData.mcast_support = a_WlbsConfig.bMulticastSupportEnable;
  NlbRegData.rct_enabled   = a_WlbsConfig.bRemoteControlEnabled;

  NlbRegData.fIGMPSupport = a_WlbsConfig.bIgmpSupport;
  NlbRegData.fIpToMCastIp = a_WlbsConfig.bClusterIPToMulticastIP;

  wcsncpy
    ( 
      NlbRegData.szMCastIpAddress , 
      a_WlbsConfig.szMulticastIPAddress.c_str(), 
      WLBS_MAX_CL_IP_ADDR
    );

  // Fill in BDA information, if active
  NlbRegData.bda_teaming.active =  a_WlbsConfig.bBDATeamActive;
  if (NlbRegData.bda_teaming.active)
  {
      wcsncpy
        ( 
          NlbRegData.bda_teaming.team_id, 
          a_WlbsConfig.szBDATeamId.c_str(), 
          WLBS_MAX_BDA_TEAM_ID
        );

      NlbRegData.bda_teaming.master = a_WlbsConfig.bBDATeamMaster;
      NlbRegData.bda_teaming.reverse_hash = a_WlbsConfig.bBDAReverseHash;
  }
  
  dwWlbsRegRes = CWlbsCluster::WriteConfig(&NlbRegData );

  if( dwWlbsRegRes != WLBS_OK )
      throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsWriteReg );

}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::PutNodeConfig
//
// Purpose:This is used to update the registry with values that originate from 
//         the MOF NodeSetting class.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::PutNodeConfig( const CNodeConfiguration& a_WlbsConfig )
{
  WLBS_REG_PARAMS NlbRegData;

  DWORD dwWlbsRegRes = CWlbsCluster::ReadConfig(&NlbRegData);

  if( dwWlbsRegRes != WLBS_OK )
      throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsReadReg );

  NlbRegData.host_priority   = a_WlbsConfig.dwHostPriority;
  NlbRegData.alive_period    = a_WlbsConfig.dwAliveMsgPeriod;
  NlbRegData.alive_tolerance = a_WlbsConfig.dwAliveMsgTolerance;
  NlbRegData.cluster_mode    = a_WlbsConfig.bClusterModeOnStart;
//  NlbRegData.nbt_support     = a_WlbsConfig.bNBTSupportEnable;
  NlbRegData.rct_port        = a_WlbsConfig.dwRemoteControlUDPPort;
  NlbRegData.mask_src_mac    = a_WlbsConfig.bMaskSourceMAC;
  NlbRegData.dscr_per_alloc  = a_WlbsConfig.dwDescriptorsPerAlloc;
  NlbRegData.max_dscr_allocs = a_WlbsConfig.dwMaxDescriptorAllocs;
  NlbRegData.num_actions     = a_WlbsConfig.dwNumActions;
  NlbRegData.num_packets     = a_WlbsConfig.dwNumPackets;
  NlbRegData.num_send_msgs   = a_WlbsConfig.dwNumAliveMsgs;

  //set dedicated IP
  wcsncpy
    ( 
      NlbRegData.ded_ip_addr, 
      a_WlbsConfig.szDedicatedIPAddress.c_str(), 
      WLBS_MAX_DED_IP_ADDR
    );

  //set dedicated mask
  wcsncpy
    ( 
      NlbRegData.ded_net_mask, 
      a_WlbsConfig.szDedicatedNetworkMask.c_str(), 
      WLBS_MAX_DED_NET_MASK
    );

  dwWlbsRegRes = CWlbsCluster::WriteConfig(&NlbRegData);

  if( dwWlbsRegRes != WLBS_OK )
      throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsWriteReg );

}



////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::Commit
//
// Purpose: This function invokes WlbsCommitChanges, which causes the driver to
//          load the current registry parameters.
//
// Return:  This function returns either WLBS_OK or WLBS_REBOOT. All other
//          Wlbs return values cause this function to throw WBEM_E_FAILED.
//
// Note:    The wlbs API currently caches the cluster and dedicated IP addreses.
//          As a result, if a user changes these values via a source external
//          to this provider, the cached values will fall out of sync. To
//          prevent this, a WlbsWriteReg is invoked to force the cache to
//          update.
//
////////////////////////////////////////////////////////////////////////////////
DWORD CWlbsClusterWrapper::Commit(CWlbsControlWrapper* pControl)
{

  WLBS_REG_PARAMS WlbsRegData;
  DWORD dwExtRes;


  dwExtRes = CWlbsCluster::CommitChanges(&pControl->m_WlbsControl);

  if( !(dwExtRes != WLBS_OK || dwExtRes != WLBS_REBOOT) )
    throw CErrorWlbsControl( dwExtRes, CmdWlbsCommitChanges );

  return dwExtRes;
}


////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::SetPassword
//
// Purpose: This function encodes the WLBS remote control password and saves 
//          it in the registry.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::SetPassword( LPWSTR a_szPassword )
{
  WLBS_REG_PARAMS RegData;

  DWORD dwRes = CWlbsCluster::ReadConfig(&RegData );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

  dwRes = WlbsSetRemotePassword( &RegData, a_szPassword );

  if( dwRes != WLBS_OK )
    throw CErrorWlbsControl( dwRes, CmdWlbsSetRemotePassword );


  dwRes = CWlbsCluster::WriteConfig( &RegData );

  if( dwRes != WLBS_OK )
    throw CErrorWlbsControl( dwRes, CmdWlbsWriteReg );

}


////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::GetPortRule
//
// Purpose: This function retrieves the port rule that encompasses the requested
//          port.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::GetPortRule( DWORD a_dwVip, DWORD a_dwPort, PWLBS_PORT_RULE a_pPortRule )
{

  WLBS_REG_PARAMS WlbsParam;

  DWORD dwWlbsRegRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwWlbsRegRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwWlbsRegRes, CmdWlbsReadReg );

  DWORD dwRes = WlbsGetPortRule( &WlbsParam, a_dwVip, a_dwPort, a_pPortRule );

  if( dwRes == WLBS_NOT_FOUND )
    throw _com_error( WBEM_E_NOT_FOUND );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsGetPortRule );
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::EnumPortRules
//
// Purpose: This function retrieves all of the port rules of a given type. The
//          function allocates memory for the received port rules. It is up
//          to the caller to free the memory. The number of rules retrieved is
//          placed in the a_dwNumRules parameter.
//
// Note:    Setting a_FilteringMode = 0 instructs function to retrieve all the
//          port rules.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::EnumPortRules
  ( 
    WLBS_PORT_RULE** a_ppPortRule,
    LPDWORD          a_pdwNumRules,
    DWORD            a_FilteringMode
  )
{

  WLBS_PORT_RULE  AllPortRules[WLBS_MAX_RULES];
  DWORD           dwTotalNumRules = WLBS_MAX_RULES;

  ASSERT( a_ppPortRule );

  WLBS_REG_PARAMS WlbsParam;
  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

  dwRes = WlbsEnumPortRules( &WlbsParam, AllPortRules, &dwTotalNumRules );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsEnumPortRules );

  if( dwTotalNumRules == 0 ) {
    a_pdwNumRules = 0;
    return;
  }

  long  nMaxSelRuleIndex = -1;
  DWORD  dwSelectedPortRules[WLBS_MAX_RULES];

  //loop through all of the port rules
  for( DWORD i = 0; i < dwTotalNumRules; i++) {
    if( a_FilteringMode == 0 || AllPortRules[i].mode == a_FilteringMode )
      dwSelectedPortRules[++nMaxSelRuleIndex] = i;
  }

  //if rule counter is less than zero, then return not found
  if( nMaxSelRuleIndex < 0 ) {
    a_pdwNumRules = 0;
    return;
  }
  
  *a_ppPortRule = new WLBS_PORT_RULE[nMaxSelRuleIndex+1];

  if( !*a_ppPortRule )
    throw _com_error( WBEM_E_OUT_OF_MEMORY );

  PWLBS_PORT_RULE pRule = *a_ppPortRule;
  for( i = 0; i <= (DWORD)nMaxSelRuleIndex; i++ ) {
    CopyMemory( pRule++, 
                &AllPortRules[dwSelectedPortRules[i]],
                sizeof( WLBS_PORT_RULE ) );
  }

  *a_pdwNumRules = nMaxSelRuleIndex + 1;
  return;
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::RuleExists
//
// Purpose: This function checks for the existence of a rule that has start
//          and end ports that match the input values.
//
////////////////////////////////////////////////////////////////////////////////
bool CWlbsClusterWrapper::RuleExists(DWORD a_dwVip, DWORD a_dwStartPort )
{

  WLBS_REG_PARAMS WlbsParam;
  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

  WLBS_PORT_RULE PortRule;
  
  dwRes = WlbsGetPortRule( &WlbsParam, a_dwVip, a_dwStartPort, &PortRule );

  if( dwRes == WLBS_NOT_FOUND )
    return false;

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsGetPortRule );

  if( PortRule.start_port == a_dwStartPort )
    return true;

  return false;
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::DeletePortRule
//
// Purpose: This function deletes the rule that contains the input port.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::DeletePortRule(DWORD a_dwVip, DWORD a_dwPort )
{

  WLBS_REG_PARAMS WlbsParam;

  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );
  
  dwRes = WlbsDeletePortRule( &WlbsParam, a_dwVip, a_dwPort );

  if( dwRes == WBEM_E_NOT_FOUND )
    throw _com_error( WBEM_E_NOT_FOUND );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsDeletePortRule );

  dwRes = CWlbsCluster::WriteConfig(&WlbsParam );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsWriteReg );
 
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::PutPortRule
//
// Purpose: This function adds a rule.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::PutPortRule(const PWLBS_PORT_RULE a_pPortRule)
{

  WLBS_REG_PARAMS WlbsParam;

  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsParam );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

  dwRes = WlbsAddPortRule( &WlbsParam, a_pPortRule );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsAddPortRule );

  dwRes = CWlbsCluster::WriteConfig(&WlbsParam );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsWriteReg );

  return;
}


DWORD CWlbsClusterWrapper::GetClusterIpOrIndex(CWlbsControlWrapper* pControl)
{
    return CWlbsCluster::GetClusterIpOrIndex(&pControl->m_WlbsControl);
}



////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::GetHostID
//
// Purpose: Obtain ID of the local host.
//
////////////////////////////////////////////////////////////////////////////////
DWORD CWlbsClusterWrapper::GetHostID()
{
    return CWlbsCluster::GetHostID();
/*
  WLBS_RESPONSE WlbsResponse;
  DWORD dwResSize = 1;

  //get the cluster and HostID
  DWORD dwRes    = WlbsQuery( CWlbsCluster::GetClusterIp(),
                              WLBS_LOCAL_HOST,
                              &WlbsResponse, 
                              &dwResSize, 
                              NULL, 
                              NULL );

  //analyze query results for errors
  switch( dwRes ) {
    case WLBS_OK:
    case WLBS_STOPPED:
    case WLBS_CONVERGING:
    case WLBS_CONVERGED:
    case WLBS_DEFAULT:
    case WLBS_DRAINING:
    case WLBS_SUSPENDED:
      break;
    default:
      throw CErrorWlbsControl( dwRes, CmdWlbsQuery );
  }

  return WlbsResponse.id;
*/
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::SetNodeDefaults
//
// Purpose: This routine obtains the default configuration and sets the node
//          setting properties to their defaults without affecting the other
//          values.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::SetNodeDefaults()
{
  WLBS_REG_PARAMS WlbsConfiguration;
  WLBS_REG_PARAMS WlbsDefaultConfiguration;

  //get current configuration
  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsConfiguration );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

	//get the default configuration
  dwRes = WlbsSetDefaults(&WlbsDefaultConfiguration );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsSetDefaults );

  //modify current configuration with
	//default configuration
  WlbsConfiguration.host_priority   = WlbsDefaultConfiguration.host_priority;
  WlbsConfiguration.alive_period    = WlbsDefaultConfiguration.alive_period;
  WlbsConfiguration.alive_tolerance = WlbsDefaultConfiguration.alive_tolerance;
  WlbsConfiguration.cluster_mode    = WlbsDefaultConfiguration.cluster_mode;
  WlbsConfiguration.rct_port        = WlbsDefaultConfiguration.rct_port;
  WlbsConfiguration.mask_src_mac    = WlbsDefaultConfiguration.mask_src_mac;
  WlbsConfiguration.dscr_per_alloc  = WlbsDefaultConfiguration.dscr_per_alloc;
  WlbsConfiguration.max_dscr_allocs = WlbsDefaultConfiguration.max_dscr_allocs;
  WlbsConfiguration.num_actions     = WlbsDefaultConfiguration.num_actions;
  WlbsConfiguration.num_packets     = WlbsDefaultConfiguration.num_packets;
  WlbsConfiguration.num_send_msgs   = WlbsDefaultConfiguration.num_send_msgs;

  //set dedicated IP
  wcsncpy
    ( 
      WlbsConfiguration.ded_ip_addr, 
      WlbsDefaultConfiguration.ded_ip_addr, 
      WLBS_MAX_DED_IP_ADDR
    );

  //set dedicated mask
  wcsncpy
    ( 
      WlbsConfiguration.ded_net_mask, 
      WlbsDefaultConfiguration.ded_net_mask, 
      WLBS_MAX_DED_NET_MASK
    );

	//write the default configuration
  dwRes = CWlbsCluster::WriteConfig(&WlbsConfiguration);

  if( dwRes != WLBS_OK )
      throw CErrorWlbsControl( dwRes, CmdWlbsWriteReg );

}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::SetClusterDefaults
//
// Purpose: This routine obtains the default configuration and sets the cluster
//          setting properties to their defaults without affecting the other
//          values.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::SetClusterDefaults()
{
  WLBS_REG_PARAMS WlbsConfiguration;
  WLBS_REG_PARAMS WlbsDefaultConfiguration;

  //get current configuration
  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsConfiguration );

  if( dwRes != WLBS_OK )
      throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

	//get the default configuration
  dwRes = WlbsSetDefaults(&WlbsDefaultConfiguration );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsSetDefaults );

	//modify current configuration
  wcsncpy
    ( 
      WlbsConfiguration.domain_name, 
      WlbsDefaultConfiguration.domain_name, 
      WLBS_MAX_DOMAIN_NAME
    );

  wcsncpy
    ( 
      WlbsConfiguration.cl_net_mask, 
      WlbsDefaultConfiguration.cl_net_mask, 
      WLBS_MAX_CL_NET_MASK
    );

  wcsncpy
    ( 
      WlbsConfiguration.cl_ip_addr , 
      WlbsDefaultConfiguration.cl_ip_addr, 
      WLBS_MAX_CL_IP_ADDR
    );

  WlbsConfiguration.mcast_support = WlbsDefaultConfiguration.mcast_support;
  WlbsConfiguration.rct_enabled   = WlbsDefaultConfiguration.rct_enabled;
  
  WlbsConfiguration.fIGMPSupport   = WlbsDefaultConfiguration.fIGMPSupport;
  WlbsConfiguration.fIpToMCastIp   = WlbsDefaultConfiguration.fIpToMCastIp;
  wcsncpy
    ( 
      WlbsConfiguration.szMCastIpAddress , 
      WlbsDefaultConfiguration.szMCastIpAddress, 
      WLBS_MAX_CL_IP_ADDR
    );

  // Copy over BDA values
  WlbsConfiguration.bda_teaming.active = WlbsDefaultConfiguration.bda_teaming.active;
  if (WlbsConfiguration.bda_teaming.active) 
  {
      wcsncpy
        ( 
          WlbsConfiguration.bda_teaming.team_id, 
          WlbsDefaultConfiguration.bda_teaming.team_id, 
          WLBS_MAX_BDA_TEAM_ID
        );

      WlbsConfiguration.bda_teaming.master = WlbsDefaultConfiguration.bda_teaming.master;
      WlbsConfiguration.bda_teaming.reverse_hash = WlbsDefaultConfiguration.bda_teaming.reverse_hash;
  }

  //write the default configuration
  dwRes = CWlbsCluster::WriteConfig(&WlbsConfiguration );

  if( dwRes != WLBS_OK )
      throw CErrorWlbsControl( dwRes, CmdWlbsWriteReg );
}

////////////////////////////////////////////////////////////////////////////////
//
// CWlbsClusterWrapper::SetPortRuleDefaults
//
// Purpose: This routine obtains the current NLB configuration and the default
//          configuration. All of the port rules are removed in the current
//          configuration and replaced by the default configuration.
//
// Note:    The routine only uses WLBS API calls to replace the current port
//          rule configuration with the default configuration. This is not 
//          the most efficient method, but it avoids making assumptions
//          about the underlying data structure.
//
////////////////////////////////////////////////////////////////////////////////
void CWlbsClusterWrapper::SetPortRuleDefaults()
{
  WLBS_REG_PARAMS WlbsConfiguration;
  WLBS_REG_PARAMS WlbsDefaultConfiguration;
  WLBS_PORT_RULE  PortRules[WLBS_MAX_RULES];
  DWORD           dwNumRules = WLBS_MAX_RULES;

  //get current configuration
  DWORD dwRes = CWlbsCluster::ReadConfig(&WlbsConfiguration );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsReadReg );

	//get the default configuration
  dwRes = WlbsSetDefaults(&WlbsDefaultConfiguration );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsSetDefaults );

  //get the current port rules
  dwRes = WlbsEnumPortRules( &WlbsConfiguration,
                             PortRules,
                             &dwNumRules );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsEnumPortRules );

  //remove all of the current port rules
  DWORD i = 0;
  for( i = 0; i < dwNumRules; i++ )
  {
    //make sure that this works as expected i.e. the indexes must be valid
    dwRes = WlbsDeletePortRule( &WlbsConfiguration, IpAddressFromAbcdWsz(PortRules[i].virtual_ip_addr), PortRules[i].start_port );

    if( dwRes != WLBS_OK ) 
      throw CErrorWlbsControl( dwRes, CmdWlbsDeletePortRule );
  }

  //get the default port rules
  dwNumRules = WLBS_MAX_RULES;

  dwRes = WlbsEnumPortRules( &WlbsDefaultConfiguration,
                             PortRules,
                             &dwNumRules );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsEnumPortRules );

  //add the default port rules
  for( i = 0; i < dwNumRules; i++ )
  {

    dwRes = WlbsAddPortRule( &WlbsConfiguration, &PortRules[i] );

    if( dwRes != WLBS_OK ) 
      throw CErrorWlbsControl( dwRes, CmdWlbsAddPortRule );
  }

  dwRes = CWlbsCluster::WriteConfig(&WlbsConfiguration );

  if( dwRes != WLBS_OK ) 
    throw CErrorWlbsControl( dwRes, CmdWlbsWriteReg );

  return;
}