Leaked source code of windows server 2003
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/**********************************************************************/
/** Microsoft Windows/NT **/
/** Copyright(c) Microsoft Corporation, 1997 - 1999 **/
/**********************************************************************/
/*
server.cpp
IPSecMon machine node handler
FILE HISTORY:
*/
#include "stdafx.h"
#include "spddb.h"
#include "apinfo.h"
#include "server.h" // Server definition
#include "servpp.h"
#include "logdatanode.h"
#include "wirelessnode.h"
#include "objplus.h"
#include "ipaddres.h"
CTimerMgr g_TimerMgr;
CHashTable g_HashTable;
extern ULONG RevertDwordBytes(DWORD dw);
/////////////////////////////////////////////////////////////////////
//
// CTimerArray implementation
//
/////////////////////////////////////////////////////////////////////
CTimerMgr::CTimerMgr()
{
}
CTimerMgr::~CTimerMgr()
{
CTimerDesc * pTimerDesc;
for (int i = (int)GetUpperBound(); i >= 0; --i)
{
pTimerDesc = GetAt(i);
if (pTimerDesc->uTimer != 0)
FreeTimer(i);
delete pTimerDesc;
}
}
int
CTimerMgr::AllocateTimer
(
ITFSNode * pNode,
CIpsmServer * pServer,
UINT uTimerValue,
TIMERPROC TimerProc
)
{
int i = 0;
CTimerDesc *pTimerDesc = NULL;
CSingleLock slTimerMgr(&m_csTimerMgr);
// get a lock on the timer mgr for the scope of this
// function.
slTimerMgr.Lock();
// look for an empty slot
for (i = (int)GetUpperBound(); i >= 0; --i)
{
pTimerDesc = GetAt(i);
if (pTimerDesc->uTimer == 0)
break;
}
// did we find one? if not allocate one
if (i < 0)
{
try
{
pTimerDesc = new CTimerDesc;
Add(pTimerDesc);
}
catch(...)
{
//
// Free up memory allocated for the timer
//
if (pTimerDesc != NULL)
{
delete pTimerDesc;
pTimerDesc = NULL;
}
return -1;
}
i = (int)GetUpperBound();
}
pTimerDesc->uTimer = SetTimer(NULL, (UINT) i, uTimerValue, TimerProc);
if (pTimerDesc->uTimer == 0)
return -1;
pTimerDesc->spNode.Set(pNode);
pTimerDesc->pServer = pServer;
pTimerDesc->timerProc = TimerProc;
return i;
}
void
CTimerMgr::FreeTimer
(
UINT_PTR uEventId
)
{
CSingleLock slTimerMgr(&m_csTimerMgr);
// get a lock on the timer mgr for the scope of this
// function.
slTimerMgr.Lock();
CTimerDesc * pTimerDesc;
Assert(uEventId <= (UINT) GetUpperBound());
if (uEventId > (UINT) GetUpperBound())
return;
pTimerDesc = GetAt((int) uEventId);
::KillTimer(NULL, pTimerDesc->uTimer);
pTimerDesc->spNode.Release();
pTimerDesc->pServer = NULL;
pTimerDesc->uTimer = 0;
}
CTimerDesc *
CTimerMgr::GetTimerDesc
(
UINT_PTR uEventId
)
{
CSingleLock slTimerMgr(&m_csTimerMgr);
// the caller of this function should lock the timer mgr
// while accessing this pointer
CTimerDesc * pTimerDesc;
for (int i = (int)GetUpperBound(); i >= 0; --i)
{
pTimerDesc = GetAt(i);
if (pTimerDesc->uTimer == (UINT) uEventId)
return pTimerDesc;
}
return NULL;
}
void
CTimerMgr::ChangeInterval
(
UINT_PTR uEventId,
UINT uNewInterval
)
{
CSingleLock slTimerMgr(&m_csTimerMgr);
// get a lock on the timer mgr for the scope of this
// function.
slTimerMgr.Lock();
Assert(uEventId <= (UINT) GetUpperBound());
if (uEventId > (UINT) GetUpperBound())
return;
CTimerDesc tempTimerDesc;
CTimerDesc * pTimerDesc;
pTimerDesc = GetAt((int) uEventId);
// kill the old timer
::KillTimer(NULL, pTimerDesc->uTimer);
// set a new one with the new interval
pTimerDesc->uTimer = ::SetTimer(
NULL,
(UINT) uEventId,
uNewInterval,
pTimerDesc->timerProc);
}
VOID CALLBACK
StatisticsTimerProc
(
HWND hwnd,
UINT uMsg,
UINT_PTR idEvent,
DWORD dwTime
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
CSingleLock slTimerMgr(&g_TimerMgr.m_csTimerMgr);
// get a lock on the timer mgr for the scope of this
// function.
slTimerMgr.Lock();
// on the timer, get the timer descriptor for this event
// Call into the appropriate handler to update the stats.
CTimerDesc * pTimerDesc;
pTimerDesc = g_TimerMgr.GetTimerDesc(idEvent);
if (pTimerDesc != NULL)
{
pTimerDesc->pServer->m_bStatsOnly = TRUE;
pTimerDesc->pServer->OnRefreshStats(
pTimerDesc->spNode,
NULL,
NULL,
0,
0);
pTimerDesc->pServer->m_bStatsOnly = FALSE;
}
}
/*---------------------------------------------------------------------------
Class CIpsmServer implementation
---------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------
Constructor and destructor
Description
Author: NSun
---------------------------------------------------------------------------*/
CIpsmServer::CIpsmServer
(
ITFSComponentData * pComponentData
) : CMTIpsmHandler(pComponentData),
m_bStatsOnly(FALSE),
m_StatsTimerId(-1),
m_dwOptions(0)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
}
CIpsmServer::~CIpsmServer()
{
/*
if (m_StatsDlg.GetSafeHwnd())
{
WaitForModelessDlgClose(&m_StatsDlg);
}
*/
}
/*!--------------------------------------------------------------------------
CIpsmServer::InitializeNode
Initializes node specific data
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::InitializeNode
(
ITFSNode * pNode
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState( ));
HRESULT hr = hrOK;
CString strTemp;
HANDLE hsession;
COM_PROTECT_TRY
{
CORg (CreateSpdInfo(&m_spSpdInfo));
CORg (CreateApDbInfo(&m_spApDbInfo));
m_spSpdInfo->SetComputerName((LPTSTR)(LPCTSTR)m_strServerAddress);
m_spApDbInfo->SetComputerName((LPTSTR)(LPCTSTR)m_strServerAddress);
//AfxMessageBox(m_strServerAddress, MB_YESNO); //ERASEME//
#if 0
no need to open a session here as we tried to open a session
when constructing the database.
hr = OpenWZCDbLogSession(
NULL/*(LPTSTR)(LPCTSTR)m_strServerAddress*/,
0,
&hsession);
if (hr == 0)
{
m_spSpdInfo->SetSession(hsession);
}
#endif //0
BuildDisplayName(&strTemp);
SetDisplayName(strTemp);
// Make the node immediately visible
pNode->SetVisibilityState(TFS_VIS_SHOW);
pNode->SetData(TFS_DATA_COOKIE, (LPARAM) pNode);
pNode->SetData(TFS_DATA_IMAGEINDEX, ICON_IDX_SERVER);
pNode->SetData(TFS_DATA_OPENIMAGEINDEX, ICON_IDX_SERVER);
pNode->SetData(TFS_DATA_USER, (LPARAM) this);
pNode->SetData(TFS_DATA_TYPE, IPSMSNAP_SERVER);
SetColumnStringIDs(&aColumns[IPSMSNAP_SERVER][0]);
SetColumnWidths(&aColumnWidths[IPSMSNAP_SERVER][0]);
// m_StatsDlg.SetData(m_spSpdInfo);
COM_PROTECT_ERROR_LABEL;
}
COM_PROTECT_CATCH
return hr;
}
/*---------------------------------------------------------------------------
CIpsmServer::GetImageIndex
-
Author: NSun
---------------------------------------------------------------------------*/
int
CIpsmServer::GetImageIndex(BOOL bOpenImage)
{
int nIndex = -1;
switch (m_nState)
{
case notLoaded:
nIndex = ICON_IDX_SERVER;
break;
case loading:
nIndex = ICON_IDX_SERVER_BUSY;
break;
case loaded:
nIndex = ICON_IDX_SERVER_CONNECTED;
break;
case unableToLoad:
nIndex = ICON_IDX_SERVER_LOST_CONNECTION;
break;
default:
ASSERT(FALSE);
}
return nIndex;
}
/*---------------------------------------------------------------------------
CIpsmServer::OnHaveData
When the background thread enumerates nodes to be added to the UI,
we get called back here. We override this to force expansion of the
node so that things show up correctly.
Author: NSun
---------------------------------------------------------------------------*/
void
CIpsmServer::OnHaveData
(
ITFSNode * pParentNode,
ITFSNode * pNewNode
)
{
CMTIpsmHandler::OnHaveData(pParentNode, pNewNode);
ExpandNode(pParentNode, TRUE);
}
/*---------------------------------------------------------------------------
CIpsmServer::OnHaveData
Description
Author: NSun
---------------------------------------------------------------------------*/
void
CIpsmServer::OnHaveData
(
ITFSNode * pParentNode,
LPARAM Data,
LPARAM Type
)
{
HRESULT hr = hrOK;
HWND hStatsDlg = NULL;
// This is how we get non-node data back from the background thread.
switch (Type)
{
case IPSECMON_QDATA_REFRESH_STATS:
{
// tell all of the child nodes to clear their status caches
// if any of the nodes is the selected node, then they should
// repaint the window
SPITFSNodeEnum spNodeEnum;
SPITFSNode spCurrentNode;
ULONG nNumReturned;
CORg(pParentNode->GetEnum(&spNodeEnum));
CORg(spNodeEnum->Next(1, &spCurrentNode, &nNumReturned));
while (nNumReturned)
{
LONG_PTR dwDataType = spCurrentNode->GetData(TFS_DATA_TYPE);
switch (dwDataType)
{
case IPFWMON_LOGDATA:
{
CLogDataHandler * pLogDataHandler =
GETHANDLER(CLogDataHandler, spCurrentNode);
pLogDataHandler->UpdateStatus(spCurrentNode);
}
break;
case WLANMON_APDATA:
{
CWirelessHandler * pWirelessHandler =
GETHANDLER(CWirelessHandler, spCurrentNode);
pWirelessHandler->UpdateStatus(spCurrentNode);
}
break;
default:
break;
}
spCurrentNode.Release();
spNodeEnum->Next(1, &spCurrentNode, &nNumReturned);
}
}
break;
case IPSECMON_QDATA_FAILED:
pParentNode->DeleteAllChildren(TRUE);
// in OnChangeState, the sate will be changed to unableToLoad
// and the error will be posted
m_nState = loading;
OnChangeState(pParentNode);
//Also close the statistics window
//hStatsDlg = m_StatsDlg.GetSafeHwnd();
if (hStatsDlg)
{
PostMessage(hStatsDlg, WM_CLOSE, 0, 0);
}
break;
}
COM_PROTECT_ERROR_LABEL;
}
/*---------------------------------------------------------------------------
Overridden base handler functions
---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
CIpsmServer::OnAddMenuItems
Description
Author: NSun
---------------------------------------------------------------------------*/
STDMETHODIMP
CIpsmServer::OnAddMenuItems
(
ITFSNode * pNode,
LPCONTEXTMENUCALLBACK pContextMenuCallback,
LPDATAOBJECT lpDataObject,
DATA_OBJECT_TYPES type,
DWORD dwType,
long * pInsertionAllowed
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState( ));
LONG fFlags = 0;
HRESULT hr = S_OK;
CString strMenuItem;
//TODO handle menu items here
if (m_nState != loaded)
{
fFlags |= MF_GRAYED;
}
if (type == CCT_SCOPE)
{
if (*pInsertionAllowed & CCM_INSERTIONALLOWED_TOP)
{
strMenuItem.LoadString(IDS_MENU_RECONNECT);
hr = LoadAndAddMenuItem( pContextMenuCallback,
strMenuItem,
IDS_MENU_RECONNECT,
CCM_INSERTIONPOINTID_PRIMARY_TOP,
0
);
ASSERT( SUCCEEDED(hr) );
}
}
return hr;
}
/*---------------------------------------------------------------------------
CIpsmServer::OnCommand
Description
Author: NSun
---------------------------------------------------------------------------*/
STDMETHODIMP
CIpsmServer::OnCommand
(
ITFSNode * pNode,
long nCommandId,
DATA_OBJECT_TYPES type,
LPDATAOBJECT pDataObject,
DWORD dwType
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState( ));
HRESULT hr = S_OK;
switch (nCommandId)
{
case IDS_MENU_RECONNECT:
OnRefresh(pNode, pDataObject, 0, 0, 0);
break;
default:
break;
}
return hr;
}
/*!--------------------------------------------------------------------------
CIpsmServer::HasPropertyPages
Implementation of ITFSNodeHandler::HasPropertyPages
NOTE: the root node handler has to over-ride this function to
handle the snapin manager property page (wizard) case!!!
Author: KennT
---------------------------------------------------------------------------*/
STDMETHODIMP
CIpsmServer::HasPropertyPages
(
ITFSNode * pNode,
LPDATAOBJECT pDataObject,
DATA_OBJECT_TYPES type,
DWORD dwType
)
{
HRESULT hr = S_FALSE;
#if 0
//TODO: remove #if and #endif to re-enable property pages when ready
AFX_MANAGE_STATE(AfxGetStaticModuleState());
HRESULT hr = hrOK;
if (dwType & TFS_COMPDATA_CREATE)
{
// This is the case where we are asked to bring up property
// pages when the user is adding a new snapin. These calls
// are forwarded to the root node to handle. Only for the root node
hr = hrOK;
Assert(FALSE); // should never get here
}
else
{
// we have property pages in the normal case, but don't put the
// menu up if we are not loaded yet
if ( (m_nState == loaded) ||
(m_nState == unableToLoad) )
{
hr = hrOK;
}
else
{
hr = hrFalse;
}
}
#endif //0
return hr;
}
/*---------------------------------------------------------------------------
CIpsmServer::CreatePropertyPages
Description
Author: NSun
---------------------------------------------------------------------------*/
STDMETHODIMP
CIpsmServer::CreatePropertyPages
(
ITFSNode * pNode,
LPPROPERTYSHEETCALLBACK lpProvider,
LPDATAOBJECT pDataObject,
LONG_PTR handle,
DWORD dwType
)
{
HRESULT hr = S_FALSE;
return hr;
#if 0
AFX_MANAGE_STATE(AfxGetStaticModuleState());
//
// Create the property page
//
SPIComponentData spComponentData;
m_spNodeMgr->GetComponentData(&spComponentData);
CMachineProperties * pMachineProp = new CMachineProperties(
pNode,
spComponentData,
m_spTFSCompData,
m_spSpdInfo,
NULL,
loaded == m_nState
);
pMachineProp->m_strMachineName = m_strServerAddress;
// fill in the auto refresh info
pMachineProp->m_pageRefresh.m_dwRefreshInterval = GetAutoRefreshInterval();
pMachineProp->m_pageRefresh.m_bAutoRefresh = GetOptions() & IPSMSNAP_OPTIONS_REFRESH ? TRUE : FALSE;
return pMachineProp->CreateModelessSheet(lpProvider, handle);
#endif //0
}
/*---------------------------------------------------------------------------
CIpsmServer::OnPropertyChange
Description
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::OnPropertyChange
(
ITFSNode * pNode,
LPDATAOBJECT pDataobject,
DWORD dwType,
LPARAM arg,
LPARAM lParam
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState( ));
CMachineProperties * pMachineProp = reinterpret_cast<CMachineProperties *>(lParam);
LONG_PTR changeMask = 0;
// tell the property page to do whatever now that we are back on the
// main thread
pMachineProp->OnPropertyChange(TRUE, &changeMask);
//Let the main thread know that we are done
pMachineProp->AcknowledgeNotify();
if (changeMask)
pNode->ChangeNode(changeMask);
return hrOK;
}
/*!--------------------------------------------------------------------------
CIpsmServer::OnDelete
The base handler calls this when MMC sends a MMCN_DELETE for a
scope pane item. We just call our delete command handler.
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::OnDelete
(
ITFSNode * pNode,
LPARAM arg,
LPARAM lParam
)
{
return OnDelete(pNode);
}
/*!--------------------------------------------------------------------------
CIpsmServer::OnNotifyExiting
We override this for the server node because we don't want the
icon to change when the thread goes away. Normal behavior is that
the node's icon changes to a wait cursor when the background thread
is running. If we are only doing stats collection, then we
don't want the icon to change.
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::OnNotifyExiting
(
LPARAM lParam
)
{
CIpsmServerQueryObj * pQuery = (CIpsmServerQueryObj *) lParam;
if (!pQuery->m_bStatsOnly)
OnChangeState(m_spNode);
ReleaseThreadHandler();
Unlock();
return hrOK;
}
/*---------------------------------------------------------------------------
Command handlers
---------------------------------------------------------------------------*/
/*!--------------------------------------------------------------------------
CIpsmServer::OnRefresh
Default implementation for the refresh functionality
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::OnRefresh
(
ITFSNode * pNode,
LPDATAOBJECT pDataObject,
DWORD dwType,
LPARAM arg,
LPARAM param
)
{
HRESULT hr = S_OK;
m_spSpdInfo->Destroy();
m_spApDbInfo->Destroy();
hr = CMTHandler::OnRefresh(pNode, pDataObject, dwType, arg, param);
/*
HWND hStatsDlg = m_StatsDlg.GetSafeHwnd();
if (hStatsDlg)
{
PostMessage(hStatsDlg, WM_UPDATE_STATS, 0, 0);
}
*/
return hr;
}
/*!--------------------------------------------------------------------------
CIpsmServer::OnRefreshStats
Default implementation for the Stats refresh functionality
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::OnRefreshStats
(
ITFSNode * pNode,
LPDATAOBJECT pDataObject,
DWORD dwType,
LPARAM arg,
LPARAM param
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
HRESULT hr = hrOK;
SPITFSNode spNode;
SPITFSNodeHandler spHandler;
ITFSQueryObject * pQuery = NULL;
if (m_bExpanded == FALSE)
{
// we cannot get statistics if the node hasn't been expanded yet
return hr;
}
// only do stats refresh if the server was loaded correctly.
if (m_nState != loaded)
return hr;
BOOL bLocked = IsLocked();
if (bLocked)
{
// cannot refresh stats if this node is locked
return hr;
}
Lock();
//OnChangeState(pNode);
pQuery = OnCreateQuery(pNode);
Assert(pQuery);
// notify the UI to change icon, if needed
//Verify(SUCCEEDED(pComponentData->ChangeNode(this, SCOPE_PANE_CHANGE_ITEM_ICON)));
Verify(StartBackgroundThread(pNode, m_spTFSCompData->GetHiddenWnd(), pQuery));
pQuery->Release();
return hrOK;
}
/*---------------------------------------------------------------------------
CIpsmServer::OnDelete()
Description
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::OnDelete(ITFSNode * pNode)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState( ));
HRESULT hr = S_OK;
CString strMessage;
AfxFormatString1(strMessage, IDS_WARN_SERVER_DELETE, m_strServerAddress);
if (AfxMessageBox(strMessage, MB_YESNO) == IDYES)
{
// remove this node from the list, there's nothing we need to tell
// the server, it's just our local list of servers
SPITFSNode spParent;
pNode->GetParent(&spParent);
spParent->RemoveChild(pNode);
}
return hr;
}
/*---------------------------------------------------------------------------
Server manipulation functions
---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
CIpsmServer::BuildDisplayName
Builds the string that goes in the UI for this server
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::BuildDisplayName
(
CString * pstrDisplayName
)
{
if (pstrDisplayName)
{
*pstrDisplayName = GetName();
}
return hrOK;
}
/*---------------------------------------------------------------------------
CIpsmServer::SetAutoRefresh
Description
Author: NSun
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::SetAutoRefresh
(
ITFSNode * pNode,
BOOL bOn,
DWORD dwRefreshInterval
)
{
BOOL bCurrentAutoRefresh = IsAutoRefreshEnabled();
if (bCurrentAutoRefresh &&
!bOn)
{
// turning off the timer
g_TimerMgr.FreeTimer(m_StatsTimerId);
}
else
if (!bCurrentAutoRefresh &&
bOn)
{
// gotta turn on the timer
m_StatsTimerId = g_TimerMgr.AllocateTimer(pNode, this, dwRefreshInterval, StatisticsTimerProc);
}
else
if (bOn &&
m_dwRefreshInterval != dwRefreshInterval)
{
// time to change the timer
g_TimerMgr.ChangeInterval(m_StatsTimerId, dwRefreshInterval);
}
if (bOn)
m_dwOptions |= IPSMSNAP_OPTIONS_REFRESH;
else
m_dwOptions &= ~IPSMSNAP_OPTIONS_REFRESH;
m_dwRefreshInterval = dwRefreshInterval;
return hrOK;
}
/*---------------------------------------------------------------------------
CIpsmServer::SetDnsResolve
Description
Author: Briansw
---------------------------------------------------------------------------*/
HRESULT
CIpsmServer::SetDnsResolve
(
ITFSNode * pNode,
BOOL bEnable
)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
if (bEnable)
m_dwOptions |= IPSMSNAP_OPTIONS_DNS;
else
m_dwOptions &= ~IPSMSNAP_OPTIONS_DNS;
g_HashTable.SetDnsResolve(bEnable);
return hrOK;
}
/*---------------------------------------------------------------------------
CIpsmServer::SetAutoRefresh
Description
Author: NSun
---------------------------------------------------------------------------*/
void
CIpsmServer::SetExtensionName()
{
CString strName;
strName.LoadString(IDS_IPSECMON);
SetDisplayName(strName);
}
/*!--------------------------------------------------------------------------
CIpsmServer::UpdateStandardVerbs
Updates the standard verbs depending upon the state of the node
Author: NSun
---------------------------------------------------------------------------*/
void
CIpsmServer::UpdateConsoleVerbs
(
IConsoleVerb * pConsoleVerb,
LONG_PTR dwNodeType,
BOOL bMultiSelect
)
{
BOOL bStates[ARRAYLEN(g_ConsoleVerbs)];
MMC_BUTTON_STATE * ButtonState;
int i;
if (bMultiSelect)
{
ButtonState = g_ConsoleVerbStatesMultiSel[dwNodeType];
for (i = 0; i < ARRAYLEN(g_ConsoleVerbs); bStates[i++] = TRUE);
}
else
{
ButtonState = g_ConsoleVerbStates[dwNodeType];
switch (m_nState)
{
case loaded:
for (i = 0; i < ARRAYLEN(g_ConsoleVerbs); bStates[i++] = TRUE);
break;
case notLoaded:
case loading:
for (i = 0; i < ARRAYLEN(g_ConsoleVerbs); bStates[i++] = FALSE);
break;
case unableToLoad:
for (i = 0; i < ARRAYLEN(g_ConsoleVerbs); bStates[i++] = FALSE);
bStates[MMC_VERB_REFRESH & 0x000F] = TRUE;
bStates[MMC_VERB_DELETE & 0x000F] = TRUE;
bStates[MMC_VERB_PROPERTIES & 0x000F] = TRUE;
break;
}
}
EnableVerbs(pConsoleVerb, ButtonState, bStates);
}
/*---------------------------------------------------------------------------
Background thread functionality
---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
CIpsmServer::OnCreateQuery
Description
Author: NSun
---------------------------------------------------------------------------*/
ITFSQueryObject*
CIpsmServer::OnCreateQuery(ITFSNode * pNode)
{
CIpsmServerQueryObj* pQuery =
new CIpsmServerQueryObj(m_spTFSCompData, m_spNodeMgr);
pQuery->m_strServer = GetName();
pQuery->m_spSpdInfo.Set(m_spSpdInfo);
pQuery->m_spApDbInfo.Set(m_spApDbInfo);
pQuery->m_bStatsOnly = m_bStatsOnly;
return pQuery;
}
/*---------------------------------------------------------------------------
CIpsmServerQueryObj::Execute()
Description
Author: NSun
---------------------------------------------------------------------------*/
STDMETHODIMP
CIpsmServerQueryObj::Execute()
{
HRESULT hr = S_OK;
DWORD dwActive=m_spSpdInfo->GetActiveInfo();
DWORD dwInit=m_spSpdInfo->GetInitInfo();
// DWORD dwApActive=m_spApDbInfo->GetActiveInfo();
// DWORD dwApInit=m_spApDbInfo->GetInitInfo();
DWORD dwNew = 0;
DWORD dwTotal = 0;
int i;
//Query the data from SPD
//switch(dwActive) {
/*case MON_FILTER:
CORg(m_spSpdInfo->EnumFWFilters());
break;
*/
//case MON_LOG_DATA:
CORg(m_spSpdInfo->EnumLogData(&dwNew, &dwTotal));
CORg(m_spApDbInfo->EnumApData());
// break;
//default:
// Initial load. Ping server to see if its up
//CORg(m_spSpdInfo->LoadStatistics());
// break;
//}
if (m_bStatsOnly)
{
// we post this message esentially to get back on the main thread
// so that we can update the UI
AddToQueue(NULL, IPSECMON_QDATA_REFRESH_STATS);
return hrFalse;
}
{
//Add the access point node
SPITFSNode spWirelessNode;
CWirelessHandler *pWirelessHandler = new
CWirelessHandler(m_spTFSCompData);
CreateContainerTFSNode( &spWirelessNode,
&GUID_IpfmWirelessNodeType,
pWirelessHandler,
pWirelessHandler,
m_spNodeMgr);
pWirelessHandler->InitApData(m_spApDbInfo);
pWirelessHandler->InitializeNode(spWirelessNode);
AddToQueue(spWirelessNode);
pWirelessHandler->Release();
//pNode->AddChild(spWirelessNode);
// add the wireless log node
SPITFSNode spLogDataNode;
CLogDataHandler * pLogDataHandler = new
CLogDataHandler(m_spTFSCompData);
CreateContainerTFSNode(&spLogDataNode,
&GUID_IpfmLogDataNodeType,
pLogDataHandler,
pLogDataHandler,
m_spNodeMgr);
pLogDataHandler->InitData(m_spSpdInfo);
pLogDataHandler->InitializeNode(spLogDataNode);
AddToQueue(spLogDataNode);
pLogDataHandler->Release();
//pNode->AddChild(spLogDataNode);
}
COM_PROTECT_ERROR_LABEL;
if (FAILED(hr))
{
PostError(WIN32_FROM_HRESULT(hr));
if (m_bStatsOnly)
{
//If we are doing auto-refresh, tell the main thread
//that the query failed
AddToQueue(NULL, IPSECMON_QDATA_FAILED);
}
}
return hrFalse;
}
CHashTable::CHashTable()
{
DWORD i;
m_bDnsResolveActive=FALSE;
m_bThreadRunning=FALSE;
for (i=0; i < TOTAL_TABLE_SIZE; i++) {
InitializeListHead(&HashTable[i]);
}
}
DWORD
CHashTable::AddPendingObject(in_addr IpAddr)
{
HashEntry *newEntry=new HashEntry;
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
if (newEntry == NULL) {
return ERROR_OUTOFMEMORY;
}
newEntry->IpAddr=IpAddr;
InsertHeadList(&HashTable[PENDING_INDEX],&newEntry->Linkage);
return ERROR_SUCCESS;
}
DWORD
CHashTable::AddObject(HashEntry *pHE)
{
DWORD Key=HashData(pHE->IpAddr);
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
InsertHeadList(&HashTable[Key],&pHE->Linkage);
return ERROR_SUCCESS;
}
DWORD
CHashTable::GetObject(HashEntry **ppHashEntry,in_addr IpAddr)
{
DWORD Key=HashData(IpAddr);
HashEntry *pHE;
PLIST_ENTRY pEntry;
DWORD dwErr;
pHE=NULL;
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
if (!m_bDnsResolveActive) {
return ERROR_NOT_READY;
}
// Start resolver thread
if (!m_bThreadRunning) {
AfxBeginThread((AFX_THREADPROC)HashResolverCallback,
NULL);
m_bThreadRunning=TRUE;
}
for ( pEntry = HashTable[Key].Flink;
pEntry != &HashTable[Key];
pEntry = pEntry->Flink) {
pHE = CONTAINING_RECORD(pEntry,
HashEntry,
Linkage);
if (memcmp(&pHE->IpAddr,&IpAddr,sizeof(in_addr)) == 0) {
*ppHashEntry = pHE;
return ERROR_SUCCESS;
}
}
dwErr=AddPendingObject(IpAddr);
return ERROR_INVALID_PARAMETER;
}
DWORD
CHashTable::FlushTable()
{
DWORD i;
PLIST_ENTRY pEntry,pNextEntry;
HashEntry *pHE;
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
for (i=0; i < TOTAL_TABLE_SIZE; i++) {
pEntry = HashTable[i].Flink;
while ( pEntry != &HashTable[i]) {
pHE = CONTAINING_RECORD(pEntry,
HashEntry,
Linkage);
pNextEntry=pEntry->Flink;
delete pHE;
pEntry=pNextEntry;
}
InitializeListHead(&HashTable[i]);
}
return ERROR_SUCCESS;
}
CHashTable::~CHashTable()
{
DWORD i;
PLIST_ENTRY pEntry,pNextEntry;
HashEntry *pHE;
m_bDnsResolveActive=FALSE;
while(m_bThreadRunning) {
Sleep(10);
}
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
for (i=0; i < TOTAL_TABLE_SIZE; i++) {
pEntry = HashTable[i].Flink;
while ( pEntry != &HashTable[i]) {
pHE = CONTAINING_RECORD(pEntry,
HashEntry,
Linkage);
pNextEntry=pEntry->Flink;
delete pHE;
pEntry=pNextEntry;
}
}
}
HRESULT
CHashTable::SetDnsResolve(BOOL bEnable)
{
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
if (m_bDnsResolveActive != bEnable) {
m_bDnsResolveActive = bEnable;
FlushTable();
}
return hrOK;
}
DWORD
CHashTable::HashData(in_addr IpAddr)
{
int i;
int j=0;
for (i = 0; i < (sizeof(struct in_addr)); i++)
j ^= (unsigned char)(*((char *)&IpAddr + i));
return j % HASH_TABLE_SIZE;
}
DWORD
CHashTable::DnsResolve()
{
PLIST_ENTRY pEntry;
HashEntry *pHE;
HOSTENT *pHost;
BOOL bWorkAvail;
while(m_bDnsResolveActive) {
pHE=NULL;
bWorkAvail=FALSE;
CSingleLock slHashLock(&m_csHashLock);
slHashLock.Lock();
if (!IsListEmpty(&HashTable[PENDING_INDEX])) {
pEntry=RemoveHeadList(&HashTable[PENDING_INDEX]);
pHE = CONTAINING_RECORD(pEntry,
HashEntry,
Linkage);
bWorkAvail=TRUE;
}
slHashLock.Unlock();
// Make sure name resolution is outside of lock for perf
if (bWorkAvail) {
pHost=gethostbyaddr((char*)&pHE->IpAddr,sizeof(in_addr),AF_INET);
if (pHost) {
//Resolution succeeded
pHE->HostName = pHost->h_name;
g_HashTable.AddObject(pHE);
} else {
// Resolution attempted, failed, cache failure for perf
ULONG ul = RevertDwordBytes(*(DWORD*)&pHE->IpAddr);
CIpAddress TmpIpAddr = ul;
pHE->HostName = (CString)TmpIpAddr;
g_HashTable.AddObject(pHE);
}
} else {
Sleep(300);
}
}
m_bThreadRunning=FALSE;
return ERROR_SUCCESS;
}
UINT HashResolverCallback(LPVOID pParam)
{
g_HashTable.DnsResolve();
return ERROR_SUCCESS;
}