86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// File: C A C H E . H
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//
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// Contents: SSDP client cache implementation
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//
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// Notes:
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//
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// Author: mbend 12 Nov 2000
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "ulist.h"
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#include "upsync.h"
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#include "ustring.h"
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#include "timer.h"
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#include "ssdptypes.h"
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class CSsdpCacheEntry
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{
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public:
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CSsdpCacheEntry();
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~CSsdpCacheEntry();
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// Timer callback methods
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void TimerFired();
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BOOL TimerTryToLock();
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void TimerUnlock();
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HRESULT HrInitialize(const SSDP_REQUEST * pRequest);
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HRESULT HrStartTimer(const SSDP_REQUEST * pRequest);
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BOOL FTimerFired();
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HRESULT HrShutdown(BOOL bExpired);
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HRESULT HrUpdateExpireTime(const SSDP_REQUEST * pRequest);
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HRESULT HrUpdateEntry(const SSDP_REQUEST * pRequest, BOOL * pbCheckListNotify);
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BOOL FIsMatchUSN(const char * szUSN);
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BOOL FIsSearchMatch(const char * szType);
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HRESULT HrGetRequest(SSDP_REQUEST * pRequest);
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void PrintItem();
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BOOL FCheckForDirtyInterfaceGuids(long nCount, GUID * arGuidInterfaces);
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private:
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CSsdpCacheEntry(const CSsdpCacheEntry &);
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CSsdpCacheEntry & operator=(const CSsdpCacheEntry &);
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volatile BOOL m_bTimerFired;
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SSDP_REQUEST m_ssdpRequest;
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CTimer<CSsdpCacheEntry> m_timer;
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CUCriticalSection m_critSec;
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};
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class CSsdpCacheEntryManager
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{
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public:
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~CSsdpCacheEntryManager();
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static CSsdpCacheEntryManager & Instance();
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HRESULT HrInitialize();
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BOOL IsCacheListNotFull();
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HRESULT HrShutdown();
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HRESULT HrRemoveEntry(CSsdpCacheEntry * pEntry);
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HRESULT HrUpdateCacheList(const SSDP_REQUEST * pRequest, BOOL bIsSubscribed);
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HRESULT HrSearchListCache(char * szType, MessageList ** ppSvcList);
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HRESULT HrClearDirtyInterfaceGuids(long nCount, GUID * arGuidInterfaces);
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private:
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CSsdpCacheEntryManager();
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CSsdpCacheEntryManager(const CSsdpCacheEntryManager &);
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CSsdpCacheEntryManager & operator=(const CSsdpCacheEntryManager &);
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static CSsdpCacheEntryManager s_instance;
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typedef CUList<CSsdpCacheEntry> CacheEntryList;
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CUCriticalSection m_critSec;
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CacheEntryList m_cacheEntryList;
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int m_cCacheEntries;
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int m_cMaxCacheEntries;
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};
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