Leaked source code of windows server 2003
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/**********************************************************************/
/** Microsoft Windows/NT **/
/** Copyright(c) Microsoft Corporation, 1997 - 1997 **/
/**********************************************************************/
/*
ScopStat.cpp
The scope statistics dialog
FILE HISTORY:
*/
#include "stdafx.h"
#include "ScopStat.h"
#include "scope.h"
#include "server.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
enum
{
SCOPE_STAT_TOTAL_ADDRESSES = 0,
SCOPE_STAT_IN_USE,
SCOPE_STAT_AVAILABLE,
SCOPE_STAT_MAX
};
/*---------------------------------------------------------------------------
CScopeStats implementation
---------------------------------------------------------------------------*/
const ContainerColumnInfo s_rgScopeStatsColumnInfo[] =
{
{ IDS_STATS_TOTAL_ADDRESSES, 0, TRUE },
{ IDS_STATS_IN_USE, 0, TRUE },
{ IDS_STATS_AVAILABLE, 0, TRUE },
};
CScopeStats::CScopeStats()
: StatsDialog(STATSDLG_VERTICAL)
{
SetColumnInfo(s_rgScopeStatsColumnInfo,
DimensionOf(s_rgScopeStatsColumnInfo));
}
CScopeStats::~CScopeStats()
{
}
BEGIN_MESSAGE_MAP(CScopeStats, StatsDialog)
//{{AFX_MSG_MAP(CScopeStats)
//}}AFX_MSG_MAP
ON_MESSAGE(WM_NEW_STATS_AVAILABLE, OnNewStatsAvailable)
END_MESSAGE_MAP()
HRESULT CScopeStats::RefreshData(BOOL fGrabNewData)
{
if (fGrabNewData)
{
DWORD dwError = 0;
LPDHCP_MIB_INFO pMibInfo = NULL;
BEGIN_WAIT_CURSOR;
dwError = ::DhcpGetMibInfo(m_strServerAddress, &pMibInfo);
END_WAIT_CURSOR;
if (dwError != ERROR_SUCCESS)
{
::DhcpMessageBox(dwError);
return hrOK;
}
UpdateWindow(pMibInfo);
if (pMibInfo)
::DhcpRpcFreeMemory(pMibInfo);
}
return hrOK;
}
BOOL CScopeStats::OnInitDialog()
{
CString st, strScopeAddress;
BOOL bRet;
UtilCvtIpAddrToWstr(m_dhcpSubnetAddress, &strScopeAddress);
AfxFormatString1(st, IDS_SCOPE_STATS_TITLE, strScopeAddress);
SetWindowText((LPCTSTR) st);
bRet = StatsDialog::OnInitDialog();
// Set the default column widths to the width of the widest column
SetColumnWidths(2 /* Number of Columns */);
return bRet;
}
void CScopeStats::Sort(UINT nColumnId)
{
// we don't sort any of our stats
}
afx_msg long CScopeStats::OnNewStatsAvailable(UINT wParam, LONG lParam)
{
SPITFSNode spNode;
CDhcpScope * pScope;
CDhcpServer * pServer;
pScope = GETHANDLER(CDhcpScope, m_spNode);
pServer = pScope->GetServerObject();
LPDHCP_MIB_INFO pMibInfo = pServer->DuplicateMibInfo();
Assert(pMibInfo);
if (!pMibInfo)
return 0;
UpdateWindow(pMibInfo);
pServer->FreeDupMibInfo(pMibInfo);
return 0;
}
void CScopeStats::UpdateWindow(LPDHCP_MIB_INFO pMibInfo)
{
Assert (pMibInfo);
UINT i;
int nTotalAddresses = 0, nTotalInUse = 0, nTotalAvailable = 0;
if (pMibInfo)
{
LPSCOPE_MIB_INFO pScopeMibInfo = pMibInfo->ScopeInfo;
// walk the list of scopes and calculate totals
for (i = 0; i < pMibInfo->Scopes; i++)
{
if (pScopeMibInfo[i].Subnet == m_dhcpSubnetAddress)
{
nTotalAddresses += (pScopeMibInfo[i].NumAddressesInuse + pScopeMibInfo[i].NumAddressesFree);
nTotalInUse = pScopeMibInfo[i].NumAddressesInuse;
nTotalAvailable = pScopeMibInfo[i].NumAddressesFree;
break;
}
}
}
int nPercent;
CString st;
TCHAR szFormat[] = _T("%d");
TCHAR szPercentFormat[] = _T("%d (%d%%)");
for (i = 0; i < SCOPE_STAT_MAX; i++)
{
if (!pMibInfo)
st = _T("---");
else
{
switch (i)
{
case SCOPE_STAT_TOTAL_ADDRESSES:
st.Format(szFormat, nTotalAddresses);
break;
case SCOPE_STAT_IN_USE:
if (nTotalAddresses > 0)
nPercent = (int)(((LONGLONG)nTotalInUse * (LONGLONG)100) / nTotalAddresses);
else
nPercent = 0;
st.Format(szPercentFormat, nTotalInUse, nPercent);
break;
case SCOPE_STAT_AVAILABLE:
if (nTotalAddresses > 0)
nPercent = (int)(((LONGLONG)nTotalAvailable * (LONGLONG)100) / nTotalAddresses);
else
nPercent = 0;
st.Format(szPercentFormat, nTotalAvailable, nPercent);
break;
default:
Panic1("Unknown scope stat id : %d", i);
break;
}
}
m_listCtrl.SetItemText(i, 1, (LPCTSTR) st);
}
}