108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
//
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// MODULE: APGTSPL.H
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//
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// PURPOSE: Pool Queue shared variables
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//
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// PROJECT: Generic Troubleshooter DLL for Microsoft AnswerPoint
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//
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// COMPANY: Saltmine Creative, Inc. (206)-284-7511 support@saltmine.com
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//
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// AUTHOR: Roman Mach
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//
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// ORIGINAL DATE: 8-2-96
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//
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// NOTES:
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// 1. Based on Print Troubleshooter DLL
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//
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// Version Date By Comments
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//--------------------------------------------------------------------
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// V0.1 - RM Original
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// V3.0 9/21/98 JM Pull out of apgts.h to separate header file.
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// Working on encapsulation
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//
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#ifndef _H_APGTSPL
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#define _H_APGTSPL
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#include <windows.h>
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#include <vector>
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using namespace std;
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// forward references
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class CDBLoadConfiguration;
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class CHTMLLog;
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class CAbstractECB;
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//
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//
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typedef struct _GTS_STATISTIC // for gathering DLL statistics
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{
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DWORD dwQueueItems;
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DWORD dwWorkItems;
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DWORD dwRollover; // unique per request while this DLL is loaded
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} GTS_STATISTIC;
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//
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// promoting this from a struct to a class 1/4/99 JM. However, not fully encapsulating it.
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class WORK_QUEUE_ITEM
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{
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WORK_QUEUE_ITEM(); // do not instantiate. No default constructor.
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public:
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HANDLE hImpersonationToken; // security thread should use while
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// processing this work item
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CAbstractECB *pECB; // ISAPI uses an EXTENSION_CONTROL_BLOCK
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// to wrap CGI data. We have further
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// abstracted this.
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CDBLoadConfiguration *pConf; // registry, DSC files, all that stuff
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CHTMLLog *pLog; // logging
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GTS_STATISTIC GTSStat; // for gathering DLL statistics
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WORK_QUEUE_ITEM(
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HANDLE hImpersonationTokenIn,
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CAbstractECB *pECBIn,
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CDBLoadConfiguration *pConfIn,
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CHTMLLog *pLogIn
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) : hImpersonationToken(hImpersonationTokenIn),
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pECB(pECBIn),
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pConf(pConfIn),
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pLog(pLogIn)
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{}
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~WORK_QUEUE_ITEM()
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{}
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};
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class CPoolQueue {
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public:
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CPoolQueue();
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~CPoolQueue();
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DWORD GetStatus();
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void Lock();
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void Unlock();
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void PushBack(WORK_QUEUE_ITEM * pwqi);
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WORK_QUEUE_ITEM * GetWorkItem();
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void DecrementWorkItems();
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DWORD WaitForWork();
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DWORD GetTotalWorkItems();
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DWORD GetTotalQueueItems();
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time_t GetTimeLastAdd();
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time_t GetTimeLastRemove();
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protected:
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CRITICAL_SECTION m_csQueueLock; // must lock to add or delete from either list or to affect
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// m_cInProcess or the various time_t variables.
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HANDLE m_hWorkSem; // NT Semaphore handle for distributing requests to threads
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// Wait on this semaphore for a work item from this queue
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DWORD m_dwErr; // NOTE: once this is set nonzero, it can never be cleared.
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vector<WORK_QUEUE_ITEM *> m_WorkQueue; // vector of WORK_QUEUE_ITEMs (queued up by
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// APGTSExtension::StartRequest for working threads)
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DWORD m_cInProcess; // # of items waiting in process (being worked on, vs.
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// still in queue). Arbitrary, but acceptable, decision
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// to track m_cInProcess in this class. JM 11/30/98
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time_t m_timeLastAdd; // time last added an item to the queue
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time_t m_timeLastRemove; // time an item was last removed from the queue
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};
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#endif // _H_APGTSPL
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