97 lines
4.1 KiB
C
97 lines
4.1 KiB
C
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/*==========================================================================
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*
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* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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*
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* File: dvtransport.h
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* Content: Base class for dp/dnet abstraction
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 07/06/99 rodtoll Created It
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* 07/22/99 rodtoll Updated to reflect new player table routines
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* 07/23/99 rodtoll Added group membership checks and player id retrieval
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* 07/26/99 rodtoll Modified EnableReceiveHook for use with new interfaces
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* 08/03/99 rodtoll Changed abstraction for new init order
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* 11/23/99 rodtoll Split CheckForValid into Group and Player
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* 01/14/2000 rodtoll Renamed SendToID to SendToIDS and updated parameter list
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* to accept multiple targets.
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* rodtoll Added GetNumPlayers call
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* 03/28/2000 rodtoll Moved nametable from here to upper level classes
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* rodtoll Updated Advise to have interface specify if it's a client or server when advising/unadvising
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* 04/07/2000 rodtoll Bug #32179 - Registering more then one server/and/or/client
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* rodtoll Updated sends to take new buffer descs for no copy sends
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* 06/21/2000 rodtoll Bug #36820 - Host migrates to wrong client when client/server are on same interface
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* Condition exists where host sends leave message, client attempts to start new host
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* which fails because old host still registered. Now deregistering is two step
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* process DisableReceiveHook then DestroyTransport.
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* 07/22/20000 rodtoll Bug #40296, 38858 - Crashes due to shutdown race condition
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* Now ensures that all threads from transport have left and that
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* all notificatinos have been processed before shutdown is complete.
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* 01/22/2001 rodtoll WINBUG #288437 - IA64 Pointer misalignment due to wire packets
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*
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***************************************************************************/
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#ifndef __DVTRANSPORT_H
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#define __DVTRANSPORT_H
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class CDirectVoiceEngine;
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class CVoicePlayer;
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class CDirectVoiceTransport;
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struct DIRECTVOICEOBJECT;
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// CDirectVoiceTransport
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//
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// Abstracts the transport system so that the sends and group management
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// features of DPlay/DirectNet are indpendent.
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class CDirectVoiceTransport
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{
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// Voice player table management
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public:
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CDirectVoiceTransport(): m_lRefCount(0) {};
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virtual ~CDirectVoiceTransport() {};
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inline void Release() { InterlockedDecrement( &m_lRefCount ); };
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inline void AddRef() { InterlockedIncrement( &m_lRefCount ); };
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virtual HRESULT AddPlayerEntry( DVID dvidPlayer, LPVOID lpData ) = 0;
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virtual HRESULT DeletePlayerEntry( DVID dvidPlayer ) = 0;
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virtual HRESULT GetPlayerEntry( DVID dvidPlayer, CVoicePlayer **lplpPlayer ) = 0;
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virtual HRESULT Initialize() = 0;
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virtual HRESULT MigrateHost( DVID dvidNewHost ) = 0;
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virtual DVID GetLocalID() = 0;
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virtual DVID GetServerID() = 0;
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public:
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virtual HRESULT SendToServer( PDVTRANSPORT_BUFFERDESC pBufferDesc, LPVOID pvContext, DWORD dwFlags ) = 0;
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virtual HRESULT SendToAll( PDVTRANSPORT_BUFFERDESC pBufferDesc, LPVOID pvContext, DWORD dwFlags ) = 0;
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virtual HRESULT SendToIDS( UNALIGNED DVID * pdvidTargets, DWORD dwNumTargets, PDVTRANSPORT_BUFFERDESC pBufferDesc, LPVOID pvContext, DWORD dwFlags ) = 0;
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virtual DWORD GetMaxPlayers( )= 0;
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public: // Remote Server Synchronization functions
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virtual HRESULT CreateGroup( LPDVID dvidGroup ) = 0;
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virtual HRESULT DeleteGroup( DVID dvidGroup ) = 0;
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virtual HRESULT AddPlayerToGroup( LPDVID dvidGroup, DVID dvidPlayer ) = 0;
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virtual HRESULT RemovePlayerFromGroup( DVID dvidGroup, DVID dvidPlayer ) = 0;
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public: // Hooks into the transport
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virtual BOOL IsPlayerInGroup( DVID dvidGroup, DVID dvidPlayer ) = 0;
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virtual BOOL ConfirmValidEntity( DVID dvid ) = 0;
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virtual BOOL ConfirmValidGroup( DVID dvid ) = 0;
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virtual HRESULT EnableReceiveHook( DIRECTVOICEOBJECT *dvObject, DWORD dwObjectType ) = 0;
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virtual HRESULT DisableReceiveHook( ) = 0;
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virtual HRESULT WaitForDetachCompletion() = 0;
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virtual void DestroyTransport() = 0;
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virtual BOOL ConfirmLocalHost( ) = 0;
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virtual BOOL ConfirmSessionActive( ) = 0;
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virtual HRESULT GetTransportSettings( LPDWORD lpdwSessionType, LPDWORD lpdwFlags ) = 0;
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public:
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LONG m_lRefCount;
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};
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#endif
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