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362 lines
12 KiB
362 lines
12 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994.
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//
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// File: dmnstart.cxx
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//
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// Contents: A class for providing startup data to the CiDaemon.
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//
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// History: 12-11-96 srikants Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <frmutils.hxx>
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#include <sizeser.hxx>
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#include <memser.hxx>
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#include <memdeser.hxx>
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#include <dmnstart.hxx>
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#include <imprsnat.hxx>
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//+---------------------------------------------------------------------------
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//
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// Member: CDaemonStartupData::CDaemonStartupData
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//
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// Synopsis: Constructor on the sending side
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//
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// Arguments: [fIndexingW3Svc] - Set to TRUE if W3Svc data is being
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// indexed.
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// [ipVirtualServer] - IP address of the virtual server.
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// [pwszCatDir] - Catalog directory
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// [pwszName] - Catalog name
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//
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// History: 12-11-96 srikants Created
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//
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//----------------------------------------------------------------------------
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CDaemonStartupData::CDaemonStartupData(
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WCHAR const * pwszCatDir,
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WCHAR const * pwszName )
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:_sigDaemonStartup(eSigDaemonStartup),
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_fValid(TRUE)
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{
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_xwszCatDir.Set( AllocHeapAndCopy( pwszCatDir ) );
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_xwszName.Set( AllocHeapAndCopy( pwszName ) );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDaemonStartupData::CDaemonStartupData
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//
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// Synopsis: Constructor to be used on the receiving side.
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//
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// Arguments: [pbData] - Pointer to the data buffer.
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// [cbData] - Number of bytes in the data buffer.
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//
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// History: 12-11-96 srikants Created
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//
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//----------------------------------------------------------------------------
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CDaemonStartupData::CDaemonStartupData( BYTE const * pbData, ULONG cbData )
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:_fValid(FALSE)
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{
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// Copy the buffer to guarantee alignment
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XArray<BYTE> xByte(cbData);
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RtlCopyMemory( xByte.GetPointer(), pbData, cbData );
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CMemDeSerStream stm( xByte.GetPointer(), cbData );
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_DeSerialize( stm );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDaemonStartupData::_Serialize
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//
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// Synopsis: Serializes the data into the provided serializer
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//
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// Arguments: [stm] - The stream to serailize into.
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//
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// History: 12-11-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CDaemonStartupData::_Serialize( PSerStream & stm ) const
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{
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PutWString( stm, GetCatDir() );
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PutWString( stm, GetName() );
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ULARGE_INTEGER * pLi = (ULARGE_INTEGER *) &_sigDaemonStartup;
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stm.PutULong( pLi->LowPart );
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stm.PutULong( pLi->HighPart );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDaemonStartupData::_DeSerialize
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//
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// Synopsis: Deserializes the data from the given de-serializer
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//
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// Arguments: [stm] - The stream to deserialize from.
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//
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// History: 12-11-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CDaemonStartupData::_DeSerialize( PDeSerStream & stm )
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{
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_xwszCatDir.Set( AllocHeapAndGetWString( stm ) );
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_xwszName.Set( AllocHeapAndGetWString( stm ) );
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ULARGE_INTEGER * pLi = (ULARGE_INTEGER *) &_sigDaemonStartup;
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pLi->LowPart = stm.GetULong();
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pLi->HighPart = stm.GetULong();
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_fValid = eSigDaemonStartup == _sigDaemonStartup;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDaemonStartupData::Serialize
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//
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// Synopsis: Serializes the data into a buffer and returns the pointer
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// to the buffer. The memory is allocated using HEAP.
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//
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// Arguments: [cb] - on output, will have the number of bytes in the
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// serialized buffer.
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//
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// Returns: Pointer to a memory buffer. The caller owns it.
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//
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// History: 12-11-96 srikants Created
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//
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//----------------------------------------------------------------------------
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BYTE * CDaemonStartupData::Serialize( ULONG & cb ) const
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{
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cb = 0;
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Win4Assert( _fValid );
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//
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// First determine the size of the buffer needed.
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//
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CSizeSerStream sizeSer;
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_Serialize( sizeSer );
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cb = sizeSer.Size();
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XArray<BYTE> xBuffer(cb);
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CMemSerStream memSer( xBuffer.GetPointer(), cb );
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_Serialize( memSer );
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return xBuffer.Acquire();
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CCiRegistryEvent::DoIt
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//
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// Synopsis: Refreshes the CI registry values.
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//
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// History: 12-19-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CCiRegistryEvent::DoIt(ICiAdminParams * pICiAdminParams)
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{
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ciDebugOut(( DEB_ITRACE, "CiDaemon::Processing CI registry change\n" ));
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_regParams.Refresh(pICiAdminParams);
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//
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// It's ok for the QI to fail. Don't always have a language cache.
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//
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XInterface<ICiAdmin> xICiAdmin;
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SCODE sc = pICiAdminParams->QueryInterface( IID_ICiAdmin, xICiAdmin.GetQIPointer() );
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Win4Assert( SUCCEEDED(sc) );
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if ( SUCCEEDED(sc) )
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xICiAdmin->InvalidateLangResources();
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//
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// Re-enable the notifications.
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//
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Reset();
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} //DoIt()
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//+---------------------------------------------------------------------------
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//
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// Member: CClientDaemonWorker::CClientDaemonWorker
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//
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// Synopsis: Constructor of the CClientDaemonWorker class.
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//
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// Arguments: [startupData] - start data for the daemon worker
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// [nameGen] - name generator for inter-proc events
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// [pICiAdminParams] - registry/admin parameters
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//
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// History: 12-19-96 srikants Created
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//
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//----------------------------------------------------------------------------
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CClientDaemonWorker::CClientDaemonWorker( CDaemonStartupData & startupData,
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CSharedNameGen & nameGen,
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ICiAdminParams * pICiAdminParams )
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: _cHandles(cTotal),
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_fShutdown(FALSE),
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_perfMon( startupData.GetName() ? startupData.GetName() : startupData.GetCatDir() ),
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_regParams( startupData.GetName() ),
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_tokenCache( startupData.GetName() ),
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_ciRegChange( _regParams ),
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_evtRescanTC( 0, nameGen.GetRescanTCEventName() ),
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#pragma warning( disable : 4355 ) // this used in base initialization
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_controlThread( WorkerThread, this, TRUE ) // create suspended
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#pragma warning( default : 4355 )
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{
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pICiAdminParams->AddRef();
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_xICiAdminParams.Set(pICiAdminParams);
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_regParams.Refresh( pICiAdminParams );
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BOOL fIndexW3Roots = _regParams.IsIndexingW3Roots();
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BOOL fIndexNNTPRoots = _regParams.IsIndexingNNTPRoots();
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BOOL fIndexIMAPRoots = _regParams.IsIndexingIMAPRoots();
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ULONG W3SvcInstance = _regParams.GetW3SvcInstance();
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ULONG NNTPSvcInstance = _regParams.GetNNTPSvcInstance();
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ULONG IMAPSvcInstance = _regParams.GetIMAPSvcInstance();
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_tokenCache.Initialize( CI_DAEMON_NAME,
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fIndexW3Roots,
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fIndexNNTPRoots,
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fIndexIMAPRoots,
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W3SvcInstance,
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NNTPSvcInstance,
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IMAPSvcInstance );
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RtlZeroMemory( _aWait, sizeof(_aWait) );
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_aWait[iThreadControl] = _evtControl.GetHandle();
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_evtControl.Reset();
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_aWait[iCiRegistry] = _ciRegChange.GetEventHandle();
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_aWait[iRescanTC] = _evtRescanTC.GetHandle();
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_controlThread.Resume();
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} //CClientDaemonWorker
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//+---------------------------------------------------------------------------
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//
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// Member: CClientDaemonWorker::WorkerThread
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//
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// Synopsis: WIN32 Thread starting entry point.
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//
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// Arguments: [self] -
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//
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// History: 12-19-96 srikants Created
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//
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//----------------------------------------------------------------------------
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DWORD CClientDaemonWorker::WorkerThread( void * self )
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{
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((CClientDaemonWorker *) self)->_DoWork();
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ciDebugOut(( DEB_ITRACE, "CClientDaemonWorker::Terminating thread\n" ));
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return 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CClientDaemonWorker::_DoWork
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//
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// Synopsis: The main loop where the thread waits and tracks the registry
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//
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// History: 12-19-96 srikants Created
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//
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//----------------------------------------------------------------------------
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void CClientDaemonWorker::_DoWork()
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{
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ciDebugOut(( DEB_ITRACE, "CClientDaemonWorker::_DoWork \n" ));
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do
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{
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DWORD status = WaitForMultipleObjectsEx( _cHandles, // num handles
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_aWait, // array of handles
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FALSE, // wake up if any is set
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10000, // Timeout
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FALSE ); // Not Alertable
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TRY
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{
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if ( WAIT_FAILED == status )
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{
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ciDebugOut(( DEB_ERROR, "DLDaemon - WaitFailed. Error 0x%X\n",
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GetLastError() ));
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_fShutdown = TRUE;
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}
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else if ( WAIT_TIMEOUT == status )
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{
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// See if a filter is out of control allocating memory. We
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// may be using gobs of RAM, but we only care about page
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// file usage.
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VM_COUNTERS vmInfo;
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NTSTATUS s = NtQueryInformationProcess( GetCurrentProcess(),
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ProcessVmCounters,
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&vmInfo,
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sizeof vmInfo,
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0 );
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SIZE_T cbUsageInK = vmInfo.PagefileUsage / 1024;
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SIZE_T cbMaxInK = _regParams.GetMaxDaemonVmUse();
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if ( NT_SUCCESS( s ) && ( cbUsageInK > cbMaxInK ) )
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TerminateProcess( GetCurrentProcess(), E_OUTOFMEMORY );
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}
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else
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{
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DWORD iWake = status - WAIT_OBJECT_0;
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if ( iThreadControl == iWake )
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{
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ciDebugOut(( DEB_ITRACE, "DaemonWorkerThread - Control Event\n" ));
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_evtControl.Reset();
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}
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else if ( iCiRegistry == iWake )
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{
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ResetEvent( _aWait[iCiRegistry] );
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_ciRegChange.DoIt( _xICiAdminParams.GetPointer() );
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}
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else
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{
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ciDebugOut(( DEB_ITRACE, "daemon rescanning tokenCache\n" ));
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Win4Assert( iRescanTC == iWake );
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ResetEvent( _aWait[iRescanTC] );
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_tokenCache.ReInitializeIISScopes();
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_tokenCache.ReInitializeScopes();
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}
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}
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}
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CATCH( CException,e )
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{
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ciDebugOut(( DEB_ERROR, "Error 0x%X caught in daemon worker thread\n",
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e.GetErrorCode() ));
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}
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END_CATCH
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}
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while ( !_fShutdown );
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} //_DoWork
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