134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
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/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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Abstract:
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History:
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--*/
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#ifndef __MSMQRECV_H__
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#define __MSMQRECV_H__
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#include <unk.h>
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#include <wstring.h>
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#include <sync.h>
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#include <wmimsg.h>
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#include <comutl.h>
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#include "msmqhdlr.h"
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#include "msmqrecv.h"
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#include "msmqcomn.h"
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/**************************************************************************
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CMsgMsmqReceiver
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***************************************************************************/
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class CMsgMsmqReceiver
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: public CUnkBase<IWmiMessageReceiver,&IID_IWmiMessageReceiver>
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{
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CCritSec m_cs;
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CMsmqApi m_Api;
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DWORD m_dwFlags;
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WString m_wsEndpoint;
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QUEUEHANDLE m_hQueue;
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PVOID m_pSvcId;
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CWbemPtr<IWmiMessageService> m_pSvc;
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CWbemPtr<IWmiMessageSendReceive> m_pRecv;
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CWbemPtr<CMsgMsmqHandler> m_pHndlr;
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HRESULT EnsureReceiver();
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void* GetInterface( REFIID riid );
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public:
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CMsgMsmqReceiver( CLifeControl* pCtl );
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~CMsgMsmqReceiver();
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//
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// called by Rcv Sinks on error.
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//
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HRESULT HandleError( HRESULT hr );
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HRESULT HandleReceiveError( HRESULT hr );
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STDMETHOD(Close)();
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STDMETHOD(Open)( LPCWSTR wszEndpoint,
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DWORD dwFlags,
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WMIMSG_RCVR_AUTH_INFOP pAuthInfo,
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IWmiMessageSendReceive* pRcv );
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};
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/*************************************************************************
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CMsgSimpleRcvSink - Receive operation is not safe. If something bad
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happens after receiving the message but before delivering to the handler,
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the message will be lost. Supports Overlapped I/O.
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**************************************************************************/
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class CMsgSimpleRcvSink
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: public CUnkBase<IWmiMessageReceiverSink, &IID_IWmiMessageReceiverSink>
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{
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//
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// does not hold ref counts on these because of circular ref.
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//
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CMsgMsmqHandler* m_pHndlr;
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CMsgMsmqReceiver* m_pRcvr;
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CMsgSimpleRcvSink( CLifeControl* pCtl,
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CMsgMsmqHandler* pHndlr,
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CMsgMsmqReceiver* pRcvr )
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: CUnkBase<IWmiMessageReceiverSink, &IID_IWmiMessageReceiverSink>( pCtl ),
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m_pHndlr( pHndlr ), m_pRcvr( pRcvr ) {}
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public:
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STDMETHOD(Receive)( PVOID pOverlapped );
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STDMETHOD(Notify)( PVOID pOverlapped );
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static HRESULT Create( CLifeControl* pControl,
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CMsgMsmqHandler* pHndlr,
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CMsgMsmqReceiver* pRcvr,
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IWmiMessageReceiverSink** ppRvcrSink );
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};
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/*************************************************************************
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CMsgSafeRcvSink - safely reads messages off a queue. It first peeks at
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messages, delivers to the handler on completion, and then removes the
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message. Supports Overlapped I/O. This implementation does NOT support
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multiple instances per queue.
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**************************************************************************/
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class CMsgSafeRcvSink
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: public CUnkBase<IWmiMessageReceiverSink, &IID_IWmiMessageReceiverSink>
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{
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//
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// does not hold ref counts on these because of circular ref.
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//
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CMsgMsmqHandler* m_pHndlr;
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CMsgMsmqReceiver* m_pRcvr;
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CMsgSafeRcvSink( CLifeControl* pCtl,
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CMsgMsmqHandler* pHndlr,
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CMsgMsmqReceiver* pRcvr )
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: CUnkBase<IWmiMessageReceiverSink, &IID_IWmiMessageReceiverSink>( pCtl ),
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m_pHndlr( pHndlr ), m_pRcvr( pRcvr ) {}
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public:
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STDMETHOD(Receive)( PVOID pOverlapped );
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STDMETHOD(Notify)( PVOID pOverlapped );
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static HRESULT Create( CLifeControl* pControl,
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CMsgMsmqHandler* pHndlr,
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CMsgMsmqReceiver* pRcvr,
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IWmiMessageReceiverSink** ppRvcrSink );
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};
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#endif // __MSMQRECV_H__
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