269 lines
7.6 KiB
C
269 lines
7.6 KiB
C
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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ARPDINT.H
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Abstract:
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Include file for Another Reliable Protocol internal.
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Author:
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Aaron Ogus (aarono)
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Environment:
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Win32/COM
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Revision History:
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Date Author Description
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====== ====== ============================================================
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12/10/96 aarono Original
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2/16/98 aarono Don't patch for Protocol, DPLAY now calls direct.
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6/6/98 aarono Turn on throttling and windowing
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--*/
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#ifndef _ARPDINT_H_
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#define _ARPDINT_H_
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#include <dplay.h>
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#include "arpd.h"
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#include "bilink.h"
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#include "arpstruc.h"
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#include "protocol.h"
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#include "bufmgr.h"
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#include "handles.h"
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// Macros for converting too and from 24.8 fixed point.
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#define Fp(_x) ((_x)<<8)
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#define unFp(_x)((_x)>>8)
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typedef enum _PROTOCOL_State {
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Initializing=1,
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Running,
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ShuttingDown,
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ShutDown
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} PROTOCOL_State;
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#define MAX_THREADS 16
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typedef struct PROTOCOL {
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//
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// Service Provider info - at top so DPLAY can access easily through protocol ptr.
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//
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IDirectPlaySP * m_lpISP; // used by SP to call back into DirectPlay
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DWORD m_dwSPMaxFrame;
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DWORD m_dwSPMaxGuaranteed;
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DWORD m_dwSPHeaderSize;
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CRITICAL_SECTION m_SPLock; // lock calls to SP on our own, avoids deadlocks.
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//
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// Protocol Info
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//
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UINT m_cRef; // Refcount.
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CRITICAL_SECTION m_ObjLock; // lock for this object.
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PROTOCOL_State m_eState; // State of object
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LPDPLAYI_DPLAY m_lpDPlay; // backpointer to DPLAY object.
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// Handle Table
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VOLLPMYHANDLETABLE lpHandleTable;
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CRITICAL_SECTION csHandleTable;
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// Cached DPLAY info.
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DWORD m_dwIDKey; // to unlock DPID's
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//
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// Threads
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//
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HANDLE m_hSendThread[MAX_THREADS]; // send thread handles (0->nSendThreads)
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DWORD m_dwSendThreadId[MAX_THREADS];// send thread ids (0->nSendThreads)
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UINT m_nSendThreads; // number of send threads.
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HANDLE m_hSendEvent; // kick send until nothing to send.
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//
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// Multi-media timer capabilities
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//
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TIMECAPS m_timecaps; // {.wPeriodMin .wPeriodMax (ms)}
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//
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// SESSIONion Handles
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//
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CRITICAL_SECTION m_SessionLock;
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UINT m_nSessions;
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UINT m_SessionListSize;
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PSESSION (*m_pSessions)[];
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PSESSION m_pServerPlayerSession; // Short circuit to index 0xFFFE
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//
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// Priority Queue
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//
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DWORD m_dwBytesPending;
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DWORD m_dwMessagesPending;
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CRITICAL_SECTION m_SendQLock; // Locks the Priority Queue.
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BILINK m_GSendQ; // Packet Queue in priority order.
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BOOL m_bRescanQueue; // Used for force GetNextMessageToSend to restart
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CRITICAL_SECTION m_RcvQLock; // All completed receives lock. (locks on SESSION too).
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BILINK m_GlobalRcvQ; // All receives queued here, (also on each session).
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//
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// Receive Descriptor Management - per instance because of SPHeader length.
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//
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PRECEIVE pRcvDescPool;
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UINT nRcvDescsAllocated; // Number Allocated
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UINT nRcvDescsInUse; // Number currently in use
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UINT nMaxRcvDescsInUse; // Maximum number in use since last TICK.
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CRITICAL_SECTION RcvDescLock;
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LONG fInRcvDescTick;
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} PROTOCOL, *PPROTOCOL;
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// PROTOCOL.C
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HRESULT WINAPI ProtocolSend(LPDPSP_SENDDATA pSendData);
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HRESULT WINAPI ProtocolCreatePlayer(LPDPSP_CREATEPLAYERDATA pCreatePlayerData);
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HRESULT WINAPI ProtocolDeletePlayer(LPDPSP_DELETEPLAYERDATA pDeletePlayerData);
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HRESULT WINAPI ProtocolGetCaps(LPDPSP_GETCAPSDATA pGetCapsData);
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HRESULT WINAPI ProtocolShutdown(void);
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HRESULT WINAPI ProtocolShutdownEx(LPDPSP_SHUTDOWNDATA pShutdownData);
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//
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// SENDPOOL.CPP
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//
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VOID InitSendDescs(VOID);
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VOID FiniSendDescs(VOID);
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PSEND GetSendDesc(VOID);
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VOID ReleaseSendDesc(PSEND pSend);
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//
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// STATPOOL.CPP
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//
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VOID InitSendStats(VOID);
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VOID FiniSendStats(VOID);
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PSENDSTAT GetSendStat(VOID);
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VOID ReleaseSendStat(PSENDSTAT pSendStat);
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//
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// RCVPOOL.CPP
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//
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VOID InitRcvDescs(PPROTOCOL pProtocol);
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VOID FiniRcvDescs(PPROTOCOL pProtocol);
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PRECEIVE GetRcvDesc(PPROTOCOL pProtocol);
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VOID ReleaseRcvDesc(PPROTOCOL pProtocol, PRECEIVE pReceive);
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// FRAMEBUF.CPP BUGBUG: smarter manager
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VOID InitFrameBuffers(VOID);
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VOID FiniFrameBuffers(VOID);
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VOID FreeFrameBuffer(PBUFFER pBuffer);
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PBUFFER GetFrameBuffer(UINT MaxFrame);
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VOID ReleaseFrameBufferMemory(PUCHAR pFrame);
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// SEND.C
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VOID UpdateSendTime(PSESSION pSession, DWORD Len, DWORD tm, BOOL fAbsolute);
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HRESULT SendHandler(PPROTOCOL pProt);
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VOID BuildHeader(PSEND pSend, pPacket1 pFrame, UINT shift, DWORD tm);
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ULONG WINAPI SendThread(LPVOID pProt);
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INT IncSendRef(PSEND pSend);
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INT DecSendRef(PPROTOCOL pProt, PSEND pSend);
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BOOL AdvanceSend(PSEND pSend, UINT FrameDataLen);
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VOID CancelRetryTimer(PSEND pSend);
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VOID DoSendCompletion(PSEND pSend, INT Status);
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HRESULT Send(
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PPROTOCOL pProtocol,
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DPID idFrom,
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DPID idTo,
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DWORD dwSendFlags,
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LPVOID pBuffers,
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DWORD dwBufferCount,
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DWORD dwSendPri,
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DWORD dwTimeOut,
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LPVOID lpvUserID,
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LPDWORD lpdwMsgID,
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BOOL bSendEx, // called from SendEx.
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PASYNCSENDINFO pAsyncInfo
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);
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HRESULT ISend(
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PPROTOCOL pProtocol,
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PSESSION pSession,
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PSEND pSend
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);
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HRESULT QueueSendOnSession(
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PPROTOCOL pProtocol, PSESSION pSession, PSEND pSend
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);
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UINT CopyDataToFrame(
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PUCHAR pFrameData,
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UINT FrameDataLen,
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PSEND pSend,
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UINT nAhead);
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ULONG WINAPI SendThread(LPVOID pProt);
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HRESULT ReliableSend(PPROTOCOL pProtocol, PSEND pSend);
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BOOL AdvanceSend(PSEND pSend, UINT AckedLen);
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HRESULT DGSend(PPROTOCOL pProtocol, PSEND pSend);
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BOOL DGCompleteSend(PSEND pSend);
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HRESULT SystemSend(PPROTOCOL pProtocol, PSEND pSend);
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PSEND GetNextMessageToSend(PPROTOCOL pProtocol);
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VOID TimeOutSession(PSESSION pSession);
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INT AddSendRef(PSEND pSend, UINT count);
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extern CRITICAL_SECTION g_SendTimeoutListLock;
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extern BILINK g_BilinkSendTimeoutList;
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//RECEIVE.C
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UINT CommandReceive(PPROTOCOL pProt, CMDINFO *pCmdInfo, PBUFFER pBuffer);
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VOID ProtocolReceive(PPROTOCOL pProtocol, WORD idFrom, WORD idTo, PBUFFER pRcvBuffer, LPVOID pvSPHeader);
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VOID FreeReceive(PPROTOCOL pProtocol, PRECEIVE pReceive);
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VOID InternalSendComplete(PVOID Context, UINT Status);
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//SESSION.C
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LPDPLAYI_PLAYER pPlayerFromId(PPROTOCOL pProtocol, DPID idPlayer);
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HRESULT CreateNewSession(PPROTOCOL pProtocol, DPID idPlayer);
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PSESSION GetSession(PPROTOCOL pProtocol, DPID idPlayer);
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PSESSION GetSysSession(PPROTOCOL pProtocol, DPID idPlayer);
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PSESSION GetSysSessionByIndex(PPROTOCOL pProtocol, DWORD index);
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DPID GetDPIDByIndex(PPROTOCOL pProtocol, DWORD index);
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WORD GetIndexByDPID(PPROTOCOL pProtocol, DPID dpid);
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INT DecSessionRef(PSESSION pSession);
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//BUFGMGR.C
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VOID InitBufferManager(VOID);
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VOID FiniBufferManager(VOID);
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UINT MemDescTotalSize(PMEMDESC pMemDesc, UINT nDesc);
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PDOUBLEBUFFER GetDoubleBuffer(UINT nBytes);
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PBUFFER GetDoubleBufferAndCopy(PMEMDESC pMemDesc, UINT nDesc);
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VOID FreeDoubleBuffer(PBUFFER pBuffer);
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PBUFFER BuildBufferChain(PMEMDESC pMemDesc, UINT nDesc);
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VOID FreeBufferChain(PBUFFER pBuffer);
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VOID FreeBufferChainAndMemory(PBUFFER pBuffer);
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UINT BufferChainTotalSize(PBUFFER pBuffer);
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//STATS.C
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VOID InitSessionStats(PSESSION pSession);
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VOID UpdateSessionStats(PSESSION pSession, PSENDSTAT pStat, PCMDINFO pCmdInfo, BOOL fBadDrop);
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VOID UpdateSessionSendStats(PSESSION pSession, PSEND pSend, PCMDINFO pCmdInfo, BOOL fBadDrop);
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#define SAR_FAIL 0
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#define SAR_ACK 1
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#define SAR_NACK 2
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UINT SendAppropriateResponse(PPROTOCOL pProt, PSESSION pSession, CMDINFO *pCmdInfo, PRECEIVE pReceive);
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#endif
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