344 lines
9.6 KiB
C++
344 lines
9.6 KiB
C++
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/*-----------------------------------------------------------------------------
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Copyright (c) 1995-1997 Microsoft Corporation
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Module Name :
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wamexec.hxx
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Abstract:
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This module executes a wam request
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Author:
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David Kaplan ( DaveK ) 11-Mar-1997
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Environment:
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User Mode - Win32
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Project:
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W3 services DLL
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-----------------------------------------------------------------------------*/
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#ifndef __W3SVC_WAMEXEC_HXX__
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#define __W3SVC_WAMEXEC_HXX__
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#ifndef __W3SVC_WAMINFO_HXX__
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#include "waminfo.hxx"
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#endif
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#include "ptable.hxx"
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/*-----------------------------------------------------------------------------
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* Forward references
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-----------------------------------------------------------------------------*/
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class MB;
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/*-----------------------------------------------------------------------------
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class WAM_DICTATOR
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Class definition for the WAM_DICTATOR object.
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Members:
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m_pMetabase
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m_Hash
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m_DyingListHead
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m_cRef
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m_hW3SVCProcess
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m_fCleanupInProcess
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m_fShutdownInProgress
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m_csWamCreation
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m_csDyingList
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-----------------------------------------------------------------------------*/
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class WAM_DICTATOR
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{
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private:
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MB* m_pMetabase; // Metabase Object
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LONG m_cRef; // Reference count
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BOOL m_fCleanupInProgress;
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BOOL m_fShutdownInProgress;
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HANDLE m_hW3Svc; // Handle of the W3Svc process
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DWORD m_dwScheduledId; // ScheduledWorkItem() 's cookie.
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// Access and changed of this value should be
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// within a Critical Section.
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CRITICAL_SECTION m_csWamCreation;
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CRITICAL_SECTION m_csDyingList;
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STR m_strRootAppPath;
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LIST_ENTRY m_DyingListHead; // dying list
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public:
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CProcessTable m_PTable;
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private:
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DWORD m_pidInetInfo;
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SV_CACHE_MAP m_ServerVariableMap;
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CReaderWriterLock3 m_HashTableLock;
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CWamInfoHash m_HashTable;
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public:
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WAM_DICTATOR();
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~WAM_DICTATOR();
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HRESULT InitWamDictator();
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HRESULT StartShutdown();
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HRESULT UninitWamDictator();
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LONG Reference();
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LONG Dereference();
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const SV_CACHE_MAP &
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QueryServerVariableMap( VOID ) const
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{
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return m_ServerVariableMap;
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}
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HRESULT ProcessWamRequest
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(
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HTTP_REQUEST * pHttpRequest,
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EXEC_DESCRIPTOR * pExec,
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const STR * pstrPath,
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BOOL * pfHandled,
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BOOL * pfFinished
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);
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// Sink Function.
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HRESULT WamRegSink
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(
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LPCSTR szAppPath,
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const DWORD dwCommand,
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DWORD* pdwResult
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);
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// Diagnostics methods
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BOOL DumpWamDictatorInfo
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(
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OUT CHAR * pchBuffer,
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IN OUT LPDWORD lpcchBuffer
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);
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// Query handle to W3SVC
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HANDLE HW3SvcProcess();
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static VOID WINAPI CleanupScheduled(VOID *pContext); // Clean up WamInfo on the DyingList.
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HRESULT CleanUpDyingList(VOID);
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MB *PMetabase(VOID);
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STR *QueryDefaultAppPath(VOID); // always return a pointer to STR("/LM/W3SVC").
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inline
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DWORD QueryInetInfoPid(VOID)
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{
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return m_pidInetInfo;
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}
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HRESULT UnLoadWamInfo
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(
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STR *pstrWamPath,
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BOOL fCPUPause,
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BOOL *pfAppCpuUnloaded = NULL
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);
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VOID CPUResumeWamInfo
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(
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STR *pstrWamPath
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);
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VOID CPUUpdateWamInfo
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(
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STR *pstrAppPath
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);
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static VOID StopApplicationsByInstance
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(
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VOID *pContext // W3_SERVER_INSTANCE *pInstance
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);
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VOID HashReadLock(VOID);
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VOID HashReadUnlock(VOID);
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VOID HashWriteLock(VOID);
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VOID HashWriteUnlock(VOID);
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BOOL DeleteWamInfoFromHashTable
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(
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CWamInfo * pWamInfo
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);
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BOOL FIsShutdown();
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private:
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// ------------------------------------------------------------
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// Private Functions of CWamInfo
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// ------------------------------------------------------------
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HRESULT GetWamInfo
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(
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const STR* pstrMetabasePath,
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const HTTP_REQUEST* pHttpRequest,
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CWamInfo ** ppWamInfo
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);
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HRESULT CreateWamInfo
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(
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const STR & strAppRootPath,
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CWamInfo ** ppWamInfo,
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PW3_SERVER_INSTANCE pwsiInstance
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);
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INT FindWamInfo
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(
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const STR * pstrMetabasePath,
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CWamInfo ** ppWamInfo
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);
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BOOL AddWamInfo
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(
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CWamInfo* pWamInfo
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);
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HRESULT ShutdownWamInfo
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(
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CWamInfo* pWamInfo,
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INT cIgnoreRefs
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);
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LK_PREDICATE DeleteIfTimeOut
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(
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CWamInfo* pWamInfo,
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void* pvState
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);
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HRESULT MDGetAppVariables
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(
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LPCSTR szMetabasePath,
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BOOL* pfAllowAppToRun,
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CLSID* pclsidWam,
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BOOL* pfInProcess,
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BOOL* pfInPool,
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BOOL* pfEnableTryExcept,
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DWORD *pdwOOPCrashThreshold,
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BOOL* pfJobEnabled,
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WCHAR* wszPackageID,
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DWORD* pdwPeriodicRestartRequests,
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DWORD* pdwPeriodicRestartTime,
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MULTISZ*pmszPeriodicRestartSchedule,
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DWORD* pdwShutdownTimeLimit
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);
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HRESULT InsertDyingList
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(
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CWamInfo* pWamInfo,
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BOOL fNeedReference = TRUE
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);
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void CreateWam_Lock(void);
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void CreateWam_UnLock(void);
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void ScheduledId_Lock();
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void ScheduledId_UnLock();
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void DyingList_Lock(void);
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void DyingList_UnLock(void);
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static LK_PREDICATE DeleteInShutdown
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(
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CWamInfo* pWamInfo,
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void* pvState
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);
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}; // class WAM_DICTATOR
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dllexp extern WAM_DICTATOR *g_pWamDictator; // global wam dictator
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inline HANDLE WAM_DICTATOR::HW3SvcProcess() { return( m_hW3Svc ); }
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inline BOOL WAM_DICTATOR::FIsShutdown() {return m_fShutdownInProgress; }
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inline VOID WAM_DICTATOR::CleanupScheduled(VOID *pContext)
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{
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g_pWamDictator->CleanUpDyingList();
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}
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inline LK_PREDICATE WAM_DICTATOR::DeleteIfTimeOut
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(
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CWamInfo* pWamInfo,
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void* pvState
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)
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{
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return LKP_PERFORM;
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}
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inline void WAM_DICTATOR::CreateWam_Lock(void) {EnterCriticalSection(&m_csWamCreation);}
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inline void WAM_DICTATOR::CreateWam_UnLock(void) {LeaveCriticalSection(&m_csWamCreation);}
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inline void WAM_DICTATOR::ScheduledId_Lock(void) {CreateWam_Lock();};
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inline void WAM_DICTATOR::ScheduledId_UnLock(void) {CreateWam_UnLock();};
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inline void WAM_DICTATOR::DyingList_Lock(void) {EnterCriticalSection(&m_csDyingList);}
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inline void WAM_DICTATOR::DyingList_UnLock(void) {LeaveCriticalSection(&m_csDyingList);}
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inline MB *WAM_DICTATOR::PMetabase(void) {return m_pMetabase;}
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inline STR *WAM_DICTATOR::QueryDefaultAppPath(void) {return &m_strRootAppPath;}
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inline VOID WAM_DICTATOR::HashReadLock(VOID) {m_HashTableLock.ReadLock();}
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inline VOID WAM_DICTATOR::HashReadUnlock(VOID) {m_HashTableLock.ReadUnlock();}
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inline VOID WAM_DICTATOR::HashWriteLock(VOID) {m_HashTableLock.WriteLock();}
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inline VOID WAM_DICTATOR::HashWriteUnlock(VOID) {m_HashTableLock.WriteUnlock();}
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/*-----------------------------------------------------------------------------
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WAM_DICTATOR::Reference
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Increment WAM_DICTATOR reference count.
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WARNING: return value of InterlockedIncrement is only -1, 0, 1, and is not Reference. should not use
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the return value.
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Return:
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LONG
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-----------------------------------------------------------------------------*/
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inline LONG WAM_DICTATOR::Reference()
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{
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return InterlockedIncrement(&m_cRef);
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}
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/*-----------------------------------------------------------------------------
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WAM_DICTATOR::Dereference
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Dereference WAM_DICTATOR
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Warning: Should not use the return value.
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Return:
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LONG
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-----------------------------------------------------------------------------*/
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inline LONG WAM_DICTATOR::Dereference()
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{
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DBG_ASSERT(m_cRef > 0);
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return InterlockedDecrement(&m_cRef);
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}
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#define HASH_TABLE_REF 1
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#define DYING_LIST_REF 1
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#define FIND_KEY_REF 1
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/*-----------------------------------------------------------------------------
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* Globals
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-----------------------------------------------------------------------------*/
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extern "C" dllexp BOOL
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WamDictatorDumpInfo
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(
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OUT CHAR * pch,
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IN OUT LPDWORD lpcchBuff
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);
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VOID
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RecycleCallback(
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VOID * pvContext
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);
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#endif // __W3SVC_WAMEXEC_HXX__
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/************************ End of File ***********************/
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